CN111946615A - Scroll compressor with anti-rotation device and manufacturing method thereof - Google Patents

Scroll compressor with anti-rotation device and manufacturing method thereof Download PDF

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Publication number
CN111946615A
CN111946615A CN202010947679.0A CN202010947679A CN111946615A CN 111946615 A CN111946615 A CN 111946615A CN 202010947679 A CN202010947679 A CN 202010947679A CN 111946615 A CN111946615 A CN 111946615A
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CN
China
Prior art keywords
rotation device
vortex
crankshaft
shell
scroll
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Pending
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CN202010947679.0A
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Chinese (zh)
Inventor
谢新江
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Zhejiang Daming Refrigeration Technology Co ltd
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Zhejiang Daming Refrigeration Technology Co ltd
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Priority to CN202010947679.0A priority Critical patent/CN111946615A/en
Publication of CN111946615A publication Critical patent/CN111946615A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • 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
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0253—Details concerning the base
    • 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
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0269—Details concerning the involute wraps
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • 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
    • F04C2240/00—Components
    • F04C2240/50—Bearings

Abstract

The invention discloses a scroll compressor with an anti-rotation device and a manufacturing method thereof, and the scroll compressor comprises a shell, an air inlet pipe and an exhaust pipe, wherein the shell is internally provided with a motor, a crankshaft, a movable scroll disk and a static scroll disk, the top end of the crankshaft is connected with an upper bearing, the upper bearing is connected with the movable scroll disk, the anti-rotation device is arranged between the movable scroll disk and the upper bearing and comprises an annular ring, a positioning ring and an ear plate, the bottom surface of the movable scroll disk is symmetrically provided with positioning columns, the ear plate is symmetrically arranged on the outer circumferential side surface of the annular ring, and a limiting assembly is arranged between the ear plate and. The method comprises the following steps: the method comprises the following steps of shell machining, crankshaft machining, movable scroll machining, static scroll machining, anti-rotation device machining and compressor assembling. The invention is convenient for the movable scroll disk to move only in the horizontal plane when in motion, prevents the movable scroll disk from rotating under the action of the crankshaft, reduces the maintenance cost and simultaneously improves the working stability and reliability of the scroll compressor.

Description

Scroll compressor with anti-rotation device and manufacturing method thereof
Technical Field
The present invention relates to a scroll compressor having an anti-rotation device and a method of manufacturing the same.
Background
At present, a scroll compressor has been widely applied in the automobile industry due to the advantages of compact structure, high efficiency, energy conservation, high reliability and the like, and generally, the scroll compressor mainly comprises a shell, an end cover, a movable scroll, a static scroll, an automatic transmission prevention device, a crankshaft, a bearing, a clutch and other components. The movable scroll disk molded line in the compressor is eccentric relative to the static scroll disk molded line and is oppositely arranged by 180 degrees to form a series of crescent-shaped spaces, namely element volumes. The movable vortex disc is connected with a crankshaft through a bearing and an eccentric part, the crankshaft drives the movable vortex disc to rotate around the center of the fixed vortex disc under the condition that the self-transmission preventing device is arranged, and to perform revolution translation without self-transmission at a certain rotation radius, and the outer ring crescent space can continuously move towards the center in the revolution process, so that the volume of the element is continuously reduced, the pressure is continuously increased until the central exhaust hole is communicated, and high-pressure gas is discharged out of the compressor.
The movable scroll disk in the prior art is generally directly connected with a crankshaft, so that the movable scroll disk is easy to rotate, the normal use of the scroll compressor is influenced, the abrasion degree is large, and the service life of the scroll compressor is shortened.
Disclosure of Invention
The invention aims to provide a technical scheme of a scroll compressor with an anti-rotation device and a manufacturing method thereof aiming at the defects in the prior art, which is convenient for a movable scroll disk to move only in a horizontal plane during movement, prevents the movable scroll disk from rotating under the action of a crankshaft, is convenient for the movable scroll disk to be fixedly connected with an annular ring through a positioning column, but also improves the stability and the reliability of the installation of the positioning ring, when the movable scroll disk is worn or the self-rotation preventing device is worn due to long-term use, only corresponding parts are required to be replaced, the movable scroll disk and the anti-rotation device are not required to be replaced together, the maintenance cost is greatly reduced, the manufacturing method has simple steps, effectively avoids the rotation of the movable scroll disk, is convenient to replace and disassemble, reduces the maintenance cost and simultaneously improves the working stability and reliability of the scroll compressor.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a scroll compressor with prevent rotation device, includes casing, intake pipe and blast pipe locate on the side of casing, the inside of casing is provided with motor, bent axle, moves whirlpool dish and quiet whirlpool dish, the bent axle is connected to the motor, the bearing is connected on the top of bent axle, upper bearing connection moves whirlpool dish, the top of moving whirlpool dish is provided with quiet whirlpool dish, the inner wall of casing, its characterized in that are connected through lower bearing to the bottom of bent axle: an anti-rotation device is arranged between the movable scroll disk and the upper bearing and comprises an annular ring, a positioning ring and an ear plate, bosses are symmetrically arranged on the inner side surface of the annular ring, mounting holes are formed in the bosses, positioning columns are symmetrically arranged on the bottom surface of the movable scroll disk and matched with the mounting holes, the ear plate is symmetrically arranged on the outer circumferential side surface of the annular ring, and a limiting assembly is arranged between the ear plate and the fixed scroll disk; the anti-rotation device can be supported by the design of the upper bearing, the movable scroll disk and the static scroll disk are completely jointed, the stability and the reliability of the operation of the scroll compressor are ensured, the annular ring and the lug plate are designed to facilitate the movement of the movable scroll disk in the horizontal plane during the movement, the movable scroll disk is prevented from rotating under the action of the crankshaft, the design of the boss is convenient for the fixed connection of the movable scroll disk and the annular ring through the positioning column, but also improves the stability and the reliability of the installation of the positioning ring, the design of the limiting component can ensure that the movable scroll disk moves left and right in the horizontal plane under the action of the annular ring to avoid autorotation, the design of the structure, when the movable scroll disk is worn due to long-term use or the anti-rotation device is worn, only corresponding parts need to be replaced, the movable scroll disk and the anti-rotation device do not need to be replaced together, and the maintenance cost is greatly reduced.
Further, the holding ring passes through connecting rod fixed connection in the center department of annular ring, is provided with the through-hole on the holding ring, and the through-hole and bent axle phase-match, the connecting rod has improved stability and the reliability of being connected between holding ring and the boss, and the through-hole is convenient for carry on spacingly to the top of bent axle.
Further, the limiting component comprises a chute, a jack, limiting columns and limiting blocks, the chute and the jack are arranged on the ear plate along the radial direction, the jack is positioned at one side close to the positioning ring, the jack is communicated with the chute, the two sides of the slot are provided with the limiting grooves, the limiting columns are symmetrically arranged on the bottom surface of the static vortex disc, the end parts of the limiting columns are provided with the limiting blocks, the limiting blocks are matched with the limiting grooves and the jack, when the dynamic vortex disc is inserted into the jack through the limiting columns and the limiting blocks, the dynamic vortex disc can horizontally move along the chute and the limiting grooves, the requirement that the dynamic vortex disc does not rotate when the crankshaft rotates is met, the dynamic vortex disc can move left and right under the action of the rotation preventing device is met, the normal working requirement of the vortex compressor is met, the limiting grooves are convenient for the limiting blocks to horizontally move, affecting the normal operation of the movable scroll.
Further, the annular ring is provided with leads the oil groove, leads the oil groove and with two jack intercommunications, leads the oil groove and can set up at the top surface of annular ring and can set up the inside at the annular ring, only need with two jack intercommunications can, can make lubricating oil flow in both sides through the design of leading the oil groove, reduce the wearing and tearing of stopper when removing, the life of rotation device is prevented in the extension.
Further, a vortex groove is formed in the static vortex disc, a vortex strip is arranged on the movable vortex disc and matched with the vortex groove, the vortex strip is an Archimedes vortex strip, and the compression and discharge of gas are realized through mutual extrusion of the space between the vortex strip and the vortex groove.
Further, a pressure separation plate is arranged above the static vortex disc.
Further, a power supply terminal is provided on a side surface of the housing.
Further, the bottom of the shell is provided with a base.
The method for manufacturing the scroll compressor with the anti-rotation device is characterized by comprising the following steps of:
1) shell machining
a. Firstly, determining the size of a shell according to design requirements, forming an upper shell and a lower shell required by casting molding, and polishing the inner side surfaces and the outer side surfaces of the upper shell and the lower shell;
b. then, the size of the base is determined according to the overall height of the shell, the corresponding base is processed, and the base is fixedly installed at the bottom of the lower shell, so that the stability and the reliability of the compressor during placement are improved due to the design of the base, the phenomenon that the compressor cannot work normally due to inclination during working is avoided, and the safety is improved;
c. then installing an air inlet pipe and an air outlet pipe at the set position of the upper shell, sealing the air inlet pipe and the air outlet pipe, and horizontally installing a pressure partition plate along the inside of the upper shell;
d. finally, mounting a power supply terminal along the outer side surface of the upper shell;
2) crankshaft machining
a. Firstly, determining the size of a crankshaft according to design requirements, forming the required crankshaft through casting molding, and grinding and polishing the outer side surface of the crankshaft;
b. then, a proper motor is selected according to the size of the shell, the motor is fixedly installed on the crankshaft, a proper lower bearing is selected according to the inner diameter of the lower shell, the bottom end of the crankshaft can be connected with the inner wall of the shell through the lower bearing, and the stability and the reliability of the crankshaft during rotation are improved;
c. then manufacturing a corresponding upper bearing according to the installation requirement, sleeving the upper bearing at the top end of the crankshaft, and supporting the anti-rotation device and the movable scroll disk through the upper bearing;
3) machining of orbiting scroll
a. Firstly, molten iron with the temperature of 1500-1600 ℃ passes through a nozzle with the diameter of 1-2 cm and the distance of 3-4 cm3Adding the mixture into a mold at a speed of/s for pouring, and reducing the pouring speed to 1-2 cm when the pouring height in the mold is 1cm away from the mold opening3S, until the pouring is finished;
b. then placing the cast mould in a cooling furnace through a clamp for cooling, taking the movable scroll out of the mould by using a pin after the movable scroll is cooled and formed, placing the movable scroll on a milling cutter machining center for fixing, and then performing semi-finishing on the inner wall of the movable scroll by using a milling cutter at a speed of 2000-2500 r/min along an Archimedes scroll strip with a cutting amount of 200-300 mm/r;
c. after the semi-finishing is finished, finishing by using a milling cutter at the speed of 5000-6000 r/min and the cutting amount of 100-150 mm/r, when the inner side wall of the vortex strip is machined, keeping the cutting speed unchanged, reducing the cutting amount to 50-80 mm/r, and horizontally cutting the central tail end of the vortex strip by using the milling cutter;
d. finally, positioning columns are symmetrically arranged along the bottom surface of the movable scroll disc according to design requirements, and a threaded hole is vertically formed in the bottom of each positioning column;
4) static vortex disc processing
a. Firstly, molten iron with the temperature of 1500-1600 ℃ passes through a nozzle with the diameter of 1-2 cm and the distance of 3-4 cm3Adding the mixture into a mold at a speed of/s for pouring, and reducing the pouring speed to 1-3 cm when the pouring height in the mold is 1-1.5 cm away from the mold opening3S, until the pouring is finished;
b. then placing the cast mould in a cooling furnace through a clamp for cooling, taking the static vortex disc out of the mould by using a pin after the static vortex disc is cooled and formed, fixing the static vortex disc on a processing base by using a three-jaw chuck, processing the static vortex disc by using a rough processing milling cutter, selecting a cutter with the rotating speed of 2000-3000 r/min and the cutting amount of 400-500 mm/r, positioning the center of the static vortex disc, then starting processing a vortex groove along an Archimedes spiral line in the anticlockwise direction, and processing the vortex groove by using a reverse milling cutter for 5 times to form the vortex groove;
c. then, performing finish machining on the static vortex disc, selecting the rotating speed of a cutter to be 5000-6000 r/min, and the cutting amount to be 200mm/r, machining according to the feed route of the vortex groove, and simultaneously performing horizontal cutting machining on the tail end of the vortex groove;
d. finally, limiting columns are symmetrically arranged along the bottom surface of the static vortex disc, and limiting blocks are arranged at the end parts of the limiting columns;
5) machining of anti-rotation device
a. Firstly, corresponding annular rings are processed according to the sizes of an upper bearing, a movable scroll disk and a crankshaft, cutting is carried out along the inner side surfaces of the annular rings, bosses, positioning rings and connecting rods are formed on the inner side surfaces of the annular rings, the positioning rings are connected to the center of the annular rings through the connecting rods, mounting holes matched with the positioning columns in size are formed in each boss, meanwhile, through holes matched with the crankshaft are formed in the center of each positioning ring, and the bosses, the positioning rings and the connecting rods are integrally formed, so that the connection strength and the stability of the bosses, the positioning rings and the connecting rods are improved, the flatness of the whole anti-rotation device is guaranteed, the error of the movable scroll disk during working is reduced, gaps are reduced, the assembly precision and reliability are improved, and the positioning columns are inserted into the mounting holes, so;
c. cutting is carried out along the side face of the outer circumference of the annular ring to form symmetrically-arranged ear plates, a reinforcing strip is arranged between the ear plate annular rings, a sliding groove and an inserting hole are formed along the top surface of each ear plate, the diameter of each inserting hole is larger than the width of each sliding groove, and meanwhile, limiting grooves are symmetrically formed along the bottoms of the sliding grooves to enable the limiting grooves to be matched with the inserting holes in size;
d. finally, an oil guide groove is formed along the annular ring, so that the oil guide groove communicates the two jacks, lubricating oil can conveniently circulate between the two jacks, the abrasion degree of the limiting block and the limiting column is reduced, and the service life is prolonged;
6) compressor assembly
a. Firstly, connecting a crankshaft in the lower shell through a lower bearing to ensure that the crankshaft is vertically arranged;
b. then inserting the processed movable scroll disk into a mounting hole on the anti-rotation device through a positioning column, mounting a screw along the bottom of the positioning column, fixedly connecting the movable scroll disk with the anti-rotation device, mounting the anti-rotation device on an upper bearing, and connecting a crankshaft with the movable scroll disk by penetrating through the anti-rotation device;
c. then fixedly mounting the processed static vortex disc in the upper shell, downwards facing the static vortex disc to enable the upper shell to be sleeved with the lower shell, inserting a limiting block and a limiting column on the static vortex disc into an ear plate on the autorotation prevention device through an insertion hole, and simultaneously inserting a vortex strip on the dynamic vortex disc into a vortex groove on the static vortex disc;
d. and finally, welding, sealing and fixing the upper shell and the lower shell.
The manufacturing method of the scroll compressor has simple steps, effectively avoids the rotation of the movable scroll, is convenient to replace and disassemble, reduces the maintenance cost and simultaneously improves the working stability and reliability of the scroll compressor.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. through the design of upper bearing, can support preventing rotation device, make movable whirlpool dish and quiet whirlpool dish laminate completely, guarantee the stability and the reliability of scroll compressor work.
2. The design of annular circle and otic placode is convenient for move the whirlpool dish and only carries out the removal in the horizontal plane when the motion, prevents to move the whirlpool dish and take place the rotation under the effect of bent axle, and the design of boss not only is convenient for move the whirlpool dish and carries out fixed connection through reference column and annular circle, has improved the stability and the reliability of holding ring installation moreover.
3. The design of spacing subassembly can guarantee to move the whirlpool dish and remove under the effect of annular circle in the horizontal plane, avoids taking place the rotation, and the design of this structure only needs to be changed corresponding part can when moving the whirlpool dish and causing wearing and tearing or prevent that the rotation device takes place wearing and tearing because of long-time the use, need not will move the whirlpool dish and prevent that the rotation device is changed together, greatly reduced cost of maintenance.
4. The manufacturing method has simple steps, effectively avoids the rotation of the movable scroll disk, is convenient to replace and disassemble, reduces the maintenance cost and simultaneously improves the working stability and reliability of the scroll compressor.
Description of the drawings:
the invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is an effect view of a scroll compressor having an anti-rotation device and a method for manufacturing the same according to the present invention;
FIG. 2 is a schematic structural view of a fixed scroll in the present invention;
FIG. 3 is a schematic structural view of an orbiting scroll according to the present invention;
FIG. 4 is a schematic structural view of the autorotation prevention device of the present invention;
fig. 5 is a schematic view of the connection among the limiting block, the limiting post and the ear plate.
In the figure: 1-a shell; 2, an air inlet pipe; 3-an exhaust pipe; 4-a base; 5-an electric motor; 6-crankshaft; 7-a power supply terminal; 8-an upper bearing; 9-a lower bearing; 10-moving vortex disc; 11-a static scroll pan; 12-a pressure separator plate; 13-anti-rotation device; 14-a vortex groove; 15-a limiting column; 16-a limiting block; 17-vortex bar; 18-a locating post; 19-an annular ring; 20-a positioning ring; 21-a boss; 22-a connecting rod; 23-mounting holes; 24-ear plate; 25-a chute; 26-a jack; 27-a reinforcing strip; 28-oil guide grooves; 29-limiting groove.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terms first, second and the like in the description and in the claims, and in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
As shown in fig. 1 to 5, the scroll compressor with the rotation preventing device according to the present invention includes a housing 1, an intake pipe 2 and an exhaust pipe 3, the intake pipe 2 and the exhaust pipe 3 are provided on a side surface of the housing 1, and a power terminal 7 is provided on the side surface of the housing 1. The bottom of the housing 1 is provided with a base 4.
The gas compression and discharge device comprises a shell 1, and is characterized in that a motor 5, a crankshaft 6, a movable scroll disk 10 and a fixed scroll disk 11 are arranged inside the shell 1, the motor 5 is connected with the crankshaft 6, the top end of the crankshaft 6 is connected with an upper bearing 8, the upper bearing 8 is connected with the movable scroll disk 10, the fixed scroll disk 11 is arranged above the movable scroll disk 10, a scroll groove 14 is arranged in the fixed scroll disk 11, a scroll strip 17 is arranged on the movable scroll disk 10, the scroll strip 17 is matched with the scroll groove 14, the scroll strip 17 is an Archimedes scroll strip 17, and gas compression and discharge are realized through mutual extrusion of spaces between the scroll strip. A pressure separation plate 12 is provided above the fixed scroll 11.
The bottom of bent axle 6 is through the inner wall that lower bearing 9 connects casing 1, it prevents rotation device 13 to be provided with between movable vortex disk 10 and the upper bearing 8, it includes annular ring 19 to prevent rotation device 13, holding ring 20 and otic placode 24, the symmetry is provided with boss 21 on the medial surface of annular ring 19, be provided with mounting hole 23 on the boss 21, the symmetry is provided with reference column 18 on the bottom surface of movable vortex disk 10, reference column 18 and mounting hole 23 phase-match, holding ring 20 passes through connecting rod 22 fixed connection in the center department of annular ring 19, be provided with the through-hole on the holding ring 20, the through-hole is with bent axle 6 phase-match, connecting rod 22 has improved the stability and the reliability of being connected between holding ring 20 and the boss 21, the through-hole.
The ear plate 24 is symmetrically arranged on the outer circumferential side surface of the annular ring 19, a limiting component is arranged between the ear plate 24 and the fixed scroll disk 11, the limiting component comprises a sliding groove 25, a jack 26, a limiting post 15 and a limiting block 16, the sliding groove 25 and the jack 26 are arranged on the ear plate 24 along the radial direction, the jack 26 is positioned at one side close to the positioning ring 20, the jack 26 is communicated with the sliding groove 25, two sides of the slot are provided with limiting grooves 29, the bottom surface of the fixed scroll disk 11 is symmetrically provided with the limiting post 15, the end part of the limiting post 15 is provided with the limiting block 16, the limiting block 16 is matched with the limiting grooves 29 and the jack 26, when the movable scroll disk 10 is inserted into the jack 26 through the limiting post 15 and the limiting block 16, the movable scroll disk can horizontally move along the sliding groove 25 and the limiting grooves 29, the condition that the movable scroll disk 10 does not rotate when the crankshaft 6 rotates, the design of spacing groove 29 is convenient for stopper 16 horizontal migration, and spout 25 not only is convenient for spacing post 15 horizontal migration, can carry on spacingly to stopper 16 moreover, prevents that stopper 16 and otic placode 24 from taking place to break away from, and the influence moves the normal work of whirlpool dish 10. Be provided with on the ring circle 19 and lead oil groove 28, lead oil groove 28 and communicate two jacks 26, lead oil groove 28 can set up the top surface of ring circle 19 and can set up the inside at ring circle 19, only need with two jacks 26 intercommunication can, can make lubricating oil flow in both sides through the design of leading oil groove 28, reduce the wearing and tearing of stopper 16 when removing, the life of rotation device 13 is prevented in the extension. Through the design of the upper bearing 8, the anti-rotation device 13 can be supported, the movable scroll disk 10 is completely attached to the static scroll disk 11, the working stability and reliability of the scroll compressor are ensured, the design of the annular ring 19 and the lug plate 24 is convenient for the movable scroll disk 10 to only move in the horizontal plane when in motion, the movable scroll disk 10 is prevented from rotating under the action of the crankshaft 6, the design of the boss 21 is not only convenient for the movable scroll disk 10 to be fixedly connected with the annular ring 19 through the positioning column 18, but also improves the stability and reliability of the installation of the positioning ring 20, the design of the limiting assembly can ensure that the movable scroll disk 10 moves left and right in the horizontal plane under the action of the annular ring 19, and the rotation is avoided, the structural design only needs to replace corresponding components when the movable scroll disk 10 is worn or the anti-rotation device 13 is worn due to long-time use, and the movable scroll disk 10 and the anti-rotation, the maintenance cost is greatly reduced.
The method for manufacturing the scroll compressor with the anti-rotation device comprises the following steps:
1) machining of the housing 1
a. Firstly, determining the size of a shell 1 according to design requirements, forming the required upper shell 1 and lower shell 1 by casting molding, and carrying out grinding and polishing treatment on the inner side and outer side surfaces of the upper shell 1 and the lower shell 1, so that the processing and installation of the scroll compressor are facilitated through the design of the upper shell 1 and the lower shell 1, and the quality and the precision of assembly are improved;
b. then, the size of the base 4 is determined according to the overall height of the shell 1, the corresponding base 4 is processed, the base 4 is fixedly installed at the bottom of the lower shell 1, the design of the base 4 improves the stability and reliability of the compressor when the compressor is placed, the phenomenon that the compressor cannot work normally due to inclination during working is avoided, and the safety is improved;
c. then installing an air inlet pipe 2 and an air outlet pipe 3 at the set position of the upper shell 1, sealing, and horizontally installing a pressure separation plate 12 along the inside of the upper shell 1;
d. finally, the power supply terminal 7 is installed along the outer side surface of the upper shell 1;
2) crankshaft 6 machining
a. Firstly, determining the size of a crankshaft 6 according to design requirements, forming the required crankshaft 6 through casting molding, and grinding and polishing the outer side surface of the crankshaft 6;
b. then, a proper motor 5 is selected according to the size of the shell 1, the motor 5 is fixedly installed on the crankshaft 6, a proper lower bearing 9 is selected according to the inner diameter of the lower shell 1, the bottom end of the crankshaft 6 can be connected with the inner wall of the shell 1 through the lower bearing 9, and the stability and the reliability of the crankshaft 6 during rotation are improved;
c. then manufacturing a corresponding upper bearing 8 according to the installation requirement, sleeving the upper bearing 8 on the top end of the crankshaft 6, and supporting the anti-rotation device 13 and the movable scroll disk 10 through the upper bearing 8;
3) machining of orbiting scroll 10
a. Firstly, molten iron with the temperature of 1500-1600 ℃ passes through a nozzle with the diameter of 1-2 cm and the distance of 3-4 cm3Adding the mixture into a mold at a speed of/s for pouring, and reducing the pouring speed to 1-2 cm when the pouring height in the mold is 1cm away from the mold opening3S, until the pouring is finished;
b. then placing the cast mould in a cooling furnace through a clamp for cooling, taking the movable scroll 10 out of the mould by using a pin after the movable scroll 10 is cooled and formed, placing the movable scroll 10 on a milling cutter machining center for fixing, and then performing semi-finishing on the inner wall of the movable scroll 10 by using a milling cutter at a speed of 2000-2500 r/min along the Archimedes scroll strip 17, wherein the cutting amount is 200-300 mm/r;
c. after the semi-finishing is finished, finishing by using a milling cutter at the speed of 5000-6000 r/min and the cutting amount of 100-150 mm/r, when the inner side wall of the vortex strip 17 is machined, keeping the cutting speed unchanged, reducing the cutting amount to 50-80 mm/r, and horizontally cutting the central tail end of the vortex strip 17 by using the milling cutter;
d. finally, according to design requirements, positioning columns 18 are symmetrically arranged along the bottom surface of the movable scroll disk 10, and a threaded hole is vertically formed in the bottom of each positioning column 18;
4) machining of static scroll disk 11
a. Firstly, molten iron with the temperature of 1500-1600 ℃ passes through a nozzle with the diameter of 1-2 cm and the distance of 3-4 cm3Adding the mixture into a mold at a speed of/s for pouring, and reducing the pouring speed to 1-3 cm when the pouring height in the mold is 1-1.5 cm away from the mold opening3S, until the pouring is finished;
b. then placing the poured mould in a cooling furnace through a clamp for cooling, taking the fixed scroll 11 out of the mould by using a pin after the fixed scroll 11 is cooled and formed, fixing the fixed scroll 11 on the processing base 4 by using a three-jaw chuck, then processing the fixed scroll 11 by using a rough processing milling cutter, selecting a cutter with the rotating speed of 2000-3000 r/min and the cutting amount of 400-500 mm/r, positioning the center of the fixed scroll 11, then starting processing a scroll groove 14 along an Archimedes spiral line in the anticlockwise direction, and reversely processing the scroll groove 14 by using a milling cutter for 5 times;
c. then, performing finish machining on the fixed scroll disk 11, selecting the rotating speed of a cutter to be 5000-6000 r/min, and the cutting amount to be 200mm/r, machining according to the feed route of the scroll groove 14, and simultaneously performing horizontal cutting machining on the tail end of the scroll groove 14;
d. finally, limiting columns 15 are symmetrically arranged along the bottom surface of the static vortex disc 11, and limiting blocks 16 are arranged at the end parts of the limiting columns 15;
5) machining of the autorotation prevention device 13
a. Firstly, the corresponding annular ring 19 is processed according to the sizes of the upper bearing 8, the movable scroll 10 and the crankshaft 6, cutting is carried out along the inner side surface of the annular ring 19, a boss 21, a positioning ring 20 and a connecting rod 22 are formed on the inner side surface of the annular ring 19, the positioning ring 20 is connected to the center of the annular ring 19 through the connecting rod 22, the mounting hole 23 matched with the positioning column 18 in size is formed on each boss 21, the through hole matched with the crankshaft 6 is formed along the center of the positioning ring 20, and the boss 21, the positioning ring 20 and the connecting rod 22 are integrally formed, so that the connecting strength and the stability of the crankshaft connecting device are improved, but also is beneficial to ensuring the flatness of the whole anti-rotation device 13, reducing the error of the movable scroll disk 10 during working, meanwhile, the clearance is reduced, the assembly precision and reliability are improved, and the positioning column 18 is inserted into the mounting hole 23, so that the movable scroll disk 10 and the anti-rotation device 13 are fixedly connected;
c. then, cutting is carried out along the side surface of the outer circumference of the annular ring 19 to form symmetrically arranged ear plates 24, a reinforcing strip 27 is arranged between the ear plates 24 and the annular ring 19, a sliding groove 25 and an inserting hole 26 are formed along the top surface of each ear plate 24, the diameter of the inserting hole 26 is larger than the width of the sliding groove 25, meanwhile, a limiting groove 29 is symmetrically formed along the bottom of the sliding groove 25, so that the size of the limiting groove 29 is matched with that of the inserting hole 26, the rotation prevention device 13 is conveniently connected with the fixed scroll disk 11 through the design of the ear plates 24, the working stability and reliability of the movable scroll disk 10 are improved, and the rotation of the movable scroll disk 10 can be avoided;
d. finally, an oil guide groove 28 is formed along the annular ring 19, so that the two jacks 26 are communicated by the oil guide groove 28, lubricating oil can conveniently circulate between the two jacks 26, the abrasion degree of the limiting block 16 and the limiting column 15 is reduced, and the service life is prolonged;
6) compressor assembly
a. Firstly, connecting a crankshaft 6 in the lower shell 1 through a lower bearing 9 to ensure that the crankshaft 6 is vertically arranged;
b. then inserting the processed movable scroll disk 10 into a mounting hole 23 on the anti-rotation device 13 through a positioning column 18, mounting screws along the bottom of the positioning column 18, fixedly connecting the movable scroll disk 10 with the anti-rotation device 13, mounting the anti-rotation device 13 on an upper bearing 8, and connecting a crankshaft 6 with the movable scroll disk 10 through the anti-rotation device 13;
c. then fixedly mounting the processed static scroll disk 11 in the upper shell 1, downwards facing the static scroll disk 11 to enable the upper shell 1 to be sleeved with the lower shell 1, inserting a limiting block 16 and a limiting column 15 on the static scroll disk 11 into an ear plate 24 on the anti-rotation device 13 through an insertion hole 26, and simultaneously inserting a scroll strip 17 on the movable scroll disk 10 into a scroll groove 14 on the static scroll disk 11;
d. and finally, welding, sealing and fixing the upper shell 1 and the lower shell 1.
The manufacturing method of the scroll compressor has simple steps, effectively avoids the rotation of the movable scroll 10, is convenient to replace and disassemble, reduces the maintenance cost and simultaneously improves the working stability and reliability of the scroll compressor.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.

Claims (9)

1. The utility model provides a scroll compressor with prevent rotation device, includes casing, intake pipe and blast pipe, the intake pipe with the blast pipe is located on the side of casing, the inside of casing is provided with motor, bent axle, moves whirlpool dish and quiet whirlpool dish, the motor is connected the bent axle, the top of bent axle is connected the upper bearing, the upper bearing is connected move whirlpool dish, the top of moving whirlpool dish is provided with quiet whirlpool dish, the bottom of bent axle is through bearing connection down the inner wall of casing, its characterized in that: move the whirlpool dish with be provided with between the upper bearing and prevent rotation device, prevent rotation device includes annular circle, holding ring and otic placode, the symmetry is provided with the boss on the medial surface of annular circle, be provided with the mounting hole on the boss, the symmetry is provided with the reference column on the bottom surface of moving the whirlpool dish, the reference column with the mounting hole matches, the otic placode symmetry sets up on the outer circumference side of annular circle, the otic placode with be provided with spacing subassembly between the quiet whirlpool dish.
2. A scroll compressor having an anti-rotation device according to claim 1, wherein: the locating ring is fixedly connected to the center of the annular ring through a connecting rod, a through hole is formed in the locating ring, and the through hole is matched with the crankshaft.
3. A scroll compressor having an anti-rotation device according to claim 1, wherein: the limiting assembly comprises a sliding groove, a jack, limiting columns and limiting blocks, the sliding groove and the jack are arranged on the ear plate along the radial direction, the jack is located at one side close to the positioning ring, the jack is communicated with the sliding groove, limiting grooves are formed in the two sides of the slot, the limiting columns are symmetrically arranged on the bottom surface of the static vortex disc, the limiting blocks are arranged at the end portions of the limiting columns, and the limiting blocks are matched with the limiting grooves and the jack.
4. A scroll compressor having an anti-rotation device according to claim 3, wherein: and the annular ring is provided with an oil guide groove which communicates the two jacks.
5. A scroll compressor having an anti-rotation device according to claim 1, wherein: a vortex groove is formed in the fixed vortex disc, a vortex strip is arranged on the movable vortex disc, the vortex strip is matched with the vortex groove, and the vortex strip is an Archimedes vortex strip.
6. A scroll compressor having an anti-rotation device according to claim 1, wherein: and a pressure partition plate is arranged above the static vortex disc.
7. A scroll compressor having an anti-rotation device according to claim 1, wherein: and a power supply terminal is arranged on the side surface of the shell.
8. A scroll compressor having an anti-rotation device according to claim 1, wherein: the bottom of the shell is provided with a base.
9. A method of manufacturing a scroll compressor having an anti-rotation device according to any one of claims 1 to 8, comprising the steps of:
1) shell machining
a. Firstly, determining the size of a shell according to design requirements, forming an upper shell and a lower shell by casting molding, and grinding and polishing the inner side surfaces and the outer side surfaces of the upper shell and the lower shell;
b. then determining the size of the base according to the overall height of the shell, processing the corresponding base, and fixedly installing the base at the bottom of the lower shell;
c. then installing an air inlet pipe and an air outlet pipe at the set position of the upper shell, sealing the air inlet pipe and the air outlet pipe, and horizontally installing a pressure partition plate along the inside of the upper shell;
d. finally, mounting a power supply terminal along the outer side surface of the upper shell;
2) crankshaft machining
a. Firstly, determining the size of a crankshaft according to design requirements, forming the required crankshaft through casting molding, and grinding and polishing the outer side surface of the crankshaft;
b. then selecting a proper motor according to the size of the shell, fixedly mounting the motor on the crankshaft, and selecting a proper lower bearing according to the inner diameter of the lower shell;
c. manufacturing a corresponding upper bearing according to the installation requirement, and sleeving the upper bearing at the top end of the crankshaft;
3) machining of orbiting scroll
a. Firstly, molten iron with the temperature of 1500-1600 ℃ passes through a nozzle with the diameter of 1-2 cm and the distance of 3-4 cm3Adding the mixture into a mold at a speed of/s for pouring, and reducing the pouring speed to 1-2 cm when the pouring height in the mold is 1cm away from the mold opening3S, until the pouring is finished;
b. then placing the cast mould in a cooling furnace through a clamp for cooling, taking the movable scroll out of the mould by using a pin after the movable scroll is cooled and formed, placing the movable scroll on a milling cutter machining center for fixing, and then performing semi-finishing on the inner wall of the movable scroll by using a milling cutter at a speed of 2000-2500 r/min along an Archimedes scroll strip with a cutting amount of 200-300 mm/r;
c. after the semi-finishing is finished, finishing by using a milling cutter at the speed of 5000-6000 r/min and the cutting amount of 100-150 mm/r, when the inner side wall of the vortex strip is machined, keeping the cutting speed unchanged, reducing the cutting amount to 50-80 mm/r, and horizontally cutting the central tail end of the vortex strip by using the milling cutter;
d. finally, positioning columns are symmetrically arranged along the bottom surface of the movable scroll disc according to design requirements, and a threaded hole is vertically formed in the bottom of each positioning column;
4) static vortex disc processing
a. Firstly, molten iron with the temperature of 1500-1600 ℃ passes through a nozzle with the diameter of 1-2 cm and the distance of 3-4 cm3Adding the mixture into a mold at a speed of/s for pouring, and reducing the pouring speed to 1-3 cm when the pouring height in the mold is 1-1.5 cm away from the mold opening3S, until the pouring is finished;
b. then placing the cast mould in a cooling furnace through a clamp for cooling, taking the static vortex disc out of the mould by using a pin after the static vortex disc is cooled and formed, fixing the static vortex disc on a processing base by using a three-jaw chuck, processing the static vortex disc by using a rough processing milling cutter, selecting a cutter with the rotating speed of 2000-3000 r/min and the cutting amount of 400-500 mm/r, positioning the center of the static vortex disc, then starting processing a vortex groove along an Archimedes spiral line in the anticlockwise direction, and processing the vortex groove by using a reverse milling cutter for 5 times to form the vortex groove;
c. then, performing finish machining on the static vortex disc, selecting the rotating speed of a cutter to be 5000-6000 r/min, and the cutting amount to be 200mm/r, machining according to the feed route of the vortex groove, and simultaneously performing horizontal cutting machining on the tail end of the vortex groove;
d. finally, limiting columns are symmetrically arranged along the bottom surface of the static vortex disc, and limiting blocks are arranged at the end parts of the limiting columns;
5) machining of anti-rotation device
a. Firstly, processing corresponding annular rings according to the sizes of an upper bearing, a movable scroll disk and a crankshaft, cutting along the inner side surfaces of the annular rings to form bosses, positioning rings and connecting rods on the inner side surfaces of the annular rings, connecting the positioning rings to the center of the annular rings through the connecting rods, forming mounting holes matched with the positioning columns in size on each boss, and forming through holes matched with the crankshaft along the center of the positioning rings;
c. cutting along the outer circumferential side surface of the annular ring to form symmetrically arranged ear plates, mounting a reinforcing strip between the ear plate annular rings, arranging a sliding groove and an inserting hole along the top surface of each ear plate, wherein the diameter of the inserting hole is larger than the width of the sliding groove, and simultaneously symmetrically arranging limiting grooves along the bottom of the sliding groove to ensure that the limiting grooves are matched with the inserting holes in size;
d. finally, an oil guide groove is formed along the annular ring, so that the oil guide groove communicates the two jacks;
6) compressor assembly
a. Firstly, connecting a crankshaft in the lower shell through a lower bearing to ensure that the crankshaft is vertically arranged;
b. then inserting the processed movable scroll disk into a mounting hole on the anti-rotation device through a positioning column, mounting a screw along the bottom of the positioning column, fixedly connecting the movable scroll disk with the anti-rotation device, mounting the anti-rotation device on an upper bearing, and connecting a crankshaft with the movable scroll disk by penetrating through the anti-rotation device;
c. then fixedly mounting the processed static vortex disc in the upper shell, downwards facing the static vortex disc to enable the upper shell to be sleeved with the lower shell, inserting a limiting block and a limiting column on the static vortex disc into an ear plate on the autorotation prevention device through an insertion hole, and simultaneously inserting a vortex strip on the dynamic vortex disc into a vortex groove on the static vortex disc;
d. and finally, welding, sealing and fixing the upper shell and the lower shell.
CN202010947679.0A 2020-09-10 2020-09-10 Scroll compressor with anti-rotation device and manufacturing method thereof Pending CN111946615A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113275998A (en) * 2021-06-17 2021-08-20 湖南宇环精密制造有限公司 Rubbing and polishing mechanism
CN113715517A (en) * 2021-08-24 2021-11-30 杨萌 Ink box assembly and ink-jet printer thereof
CN114754001A (en) * 2022-05-20 2022-07-15 重庆超力高科技股份有限公司 Dynamic vortex disc autorotation prevention structure of double-molded line compressor and scroll compressor
CN114934900A (en) * 2022-05-16 2022-08-23 重庆超力高科技股份有限公司 Anti-rotation mechanism with movable disc, compressor and vehicle-mounted air conditioner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113275998A (en) * 2021-06-17 2021-08-20 湖南宇环精密制造有限公司 Rubbing and polishing mechanism
CN113715517A (en) * 2021-08-24 2021-11-30 杨萌 Ink box assembly and ink-jet printer thereof
CN114934900A (en) * 2022-05-16 2022-08-23 重庆超力高科技股份有限公司 Anti-rotation mechanism with movable disc, compressor and vehicle-mounted air conditioner
CN114934900B (en) * 2022-05-16 2024-04-16 重庆超力高科技股份有限公司 Rotating mechanism, compressor and vehicle-mounted air conditioner are prevented to movable plate
CN114754001A (en) * 2022-05-20 2022-07-15 重庆超力高科技股份有限公司 Dynamic vortex disc autorotation prevention structure of double-molded line compressor and scroll compressor
CN114754001B (en) * 2022-05-20 2024-04-16 重庆超力高科技股份有限公司 Double-molded-line compressor movable vortex disc anti-rotation structure and vortex compressor

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