CN108980004B - Screw locking structure of motor of piston type refrigeration compressor and locking operation method thereof - Google Patents
Screw locking structure of motor of piston type refrigeration compressor and locking operation method thereof Download PDFInfo
- Publication number
- CN108980004B CN108980004B CN201810862013.8A CN201810862013A CN108980004B CN 108980004 B CN108980004 B CN 108980004B CN 201810862013 A CN201810862013 A CN 201810862013A CN 108980004 B CN108980004 B CN 108980004B
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- Prior art keywords
- locking
- screw
- locking structure
- shaft
- motor
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Abstract
The invention discloses a motor screw locking structure of a piston type refrigeration compressor, which comprises a locking structure base plate (5), an electric locking shaft (12) and a standard screw cap (4), wherein the motor screw locking structure is provided with a centering module (8), the centering module (8) is fastened on the locking structure base plate (5), and the standard screw cap (4) is flexibly connected with a main rotating shaft (13) on the centering module (8). The invention also discloses a locking operation method of the locking structure. By adopting the technical scheme, the screw locking processing technology of the piston compressor is remarkably improved, the structure is simple, the manufacturing and using costs are low, the production yield is improved when the production of products is ensured, and the requirement of production cost reduction is met; the adjustment is quick, the manual maintenance, oiling, lubrication and other works are not needed, and the production efficiency is improved; the service life is long, stable and reliable; the application range is wide.
Description
Technical Field
The invention belongs to the technical field of mechanical manufacturing process equipment, and relates to a high-precision compressor pump motor mounting process equipment technology. In particular, the invention relates to a screw locking structure of a piston type refrigeration compressor motor, which is accurately positioned and quickly interchanged, and a locking operation method of the locking structure.
Background
Fig. 1 is a schematic diagram showing the effect of a screw locking structure of a motor of a piston type refrigeration compressor in the prior art.
As shown in fig. 1, in the existing refrigerator compressor, a screw locking structure of a compressor motor is generally adopted by the following technology: the compressor motor locking screw 3 is connected with the compressor body seat 1 of the compressor motor 2 through the standard screw cap 4 and is tightly locked together. The standard screw cap 4 is directly connected with the electric locking shaft 7 and is locked on the structural bottom plate 5 by the screw through the electric shaft connecting plate 6. The standard screw cap 4 directly outputs torque through the electric locking shaft 7, so that the locking screw 3 of the compressor motor achieves the purpose of locking; because the electric locking shaft 7 is statically fixed on the structural bottom plate 5 through the electric connecting plate 6, the standard screw caps 4 are guaranteed to correspond one by one, and screws to be fastened in a rotating way are positioned in a non-deviated way; if the standard screw cap 4 cannot tightly center the screw head, abnormal locking or jamming in the locking process occurs, so that the compressor motor 2 cannot normally operate, and further, the product process index is unqualified.
In order to eliminate the problem of unqualified products, the method achieves the technological index required by the products, and the prior industry has the following steps: through the position of four motor connecting plates 6 of accurate adjustment simultaneously, reach and satisfy the standard screw cap 4 that directly allies oneself with on electric locking axle 7 and correspond on compressor motor locking screw 3, guarantee that compressor motor 2 and compressor body seat 1 satisfy the locking of requirement together completely.
At present, in the machining, the production cost of products is required to be continuously reduced, and the manual production efficiency is required to be continuously improved; and the product diversification trend is obvious. However, in the processing of the prior art, when the production line changes the product model, the production operator must adjust the position of the electric connection plate at the first time, so as to ensure that the electric locking shaft is shifted to the screw position of the product with the required production model; generally, most refrigerator compressor motors have four locking screws, so four times of adjustment are needed to meet the production needs of changing models. In order to confirm that the motor shaft is adjusted in place, the prior art uses a profiling gauge for verification, which is time-consuming and labor-consuming; to ensure adjustment reliability, a very experienced operator is typically required to handle the task, which requires a high skill and a high level of working experience, which is often lacking in enterprises; in addition, the adjustment is needed independently, a certain production time is not occupied, the production efficiency is reduced, and the yield is reduced.
Disclosure of Invention
The invention provides a screw locking structure of a piston type refrigeration compressor motor, which aims to realize accurate positioning and quick exchange of the locking structure.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the invention relates to a motor screw locking structure of a piston type refrigeration compressor, which comprises a locking structure bottom plate, an electric locking shaft and a standard screw cap; the motor screw locking structure is provided with a centering module, the centering module is fastened on a locking structure bottom plate, and the standard screw cap is flexibly connected with a main rotating shaft on the centering module.
The flexible connection structure is as follows: the standard screw cap is fixedly arranged at the end part of the output rotating shaft on the centering module, the main rotating shaft is inserted into a corresponding hole at the other end of the output rotating shaft by adopting a square tenon or triangular tenon structure, and a pressure spring is arranged in the hole.
The main rotating shaft is axially fixed through a thrust bearing and a bearing retainer ring; the output rotating shaft is fixed in the middle die body in the radial direction through a needle bearing.
The main rotating shaft is connected with the electric locking shaft through a universal connection transmission shaft.
The locking structure bottom plate is provided with a middle module locating groove, and the middle module is arranged in the middle module locating groove.
The fixed middle die is pressed on the locking structure bottom plate through the fixed middle die pressing plate.
The electric locking shaft is arranged on the electric shaft mounting plate through an electric shaft connecting plate; the electric shaft mounting plate and the locking structure bottom plate are connected and supported through the upright posts.
In order to achieve the same purpose as the technical scheme, the invention also provides a locking operation method of the screw locking structure of the piston type refrigeration compressor motor, which comprises the following steps:
screwing a compressor motor locking screw into the locking screw hole;
aligning and pressing down a standard screw cap to a compressor motor locking screw through a locking structure, wherein the standard screw cap is sleeved on the end head of the compressor motor locking screw;
starting a motor screw locking structure, rotating a standard screw cap, and screwing a motor locking screw of the compressor;
stopping the standard screw cap from rotating, and lifting the standard screw cap through a locking structure;
when the product specification is changed, the connecting part of the universal connecting transmission shaft and the main rotating shaft is disassembled, the fixed die is changed, and the universal connecting transmission shaft is connected with the main rotating shaft again.
By adopting the technical scheme, the invention obviously improves the technical level of locking and processing of the motor screw of the piston compressor, has simple structure and low manufacturing and using cost, ensures that the production of products achieves the improvement of the production qualification rate and simultaneously meets the requirement of reducing the production cost; the adjustment is quick, the manual maintenance, oiling, lubrication and other works are not needed, and the production efficiency is improved; the service life is long, stable and reliable; the application range is wide.
Drawings
The contents of the drawings and the marks in the drawings are briefly described as follows:
FIG. 1 is a schematic front view of a prior art construction;
FIG. 2 is a schematic view of the structural configuration of the present invention;
FIG. 3 is a schematic front view of a centering module structure of the present invention;
FIG. 4 is a schematic top view of a centering module of the present invention;
fig. 5 is a side view of the structure shown in fig. 2.
The labels in fig. 1 are:
1. the compressor comprises a compressor body seat, a compressor motor locking screw, a standard screw cap, a structural bottom plate, a motor connecting plate and an electric locking shaft, wherein the compressor body seat, the compressor motor locking screw, the standard screw cap and the standard screw cap are arranged in sequence, and the compressor body seat, the compressor motor locking screw, the standard screw cap, the structural bottom plate, the motor connecting plate and the electric locking shaft are arranged in sequence.
The labels in fig. 2 to 5 are:
1. the device comprises a compressor body, 2, a compressor motor, 3, a compressor motor locking screw, 4, a standard screw cap, 5, a locking structure bottom plate, 6, a stand column, 7, a centering module, 9, a universal connection transmission shaft, 10, an electric shaft mounting plate, 11, an electric shaft connecting plate, 12, an electric locking shaft, 13, a main rotating shaft, 14, a bearing retainer ring, 15, a thrust bearing, 16, a centering module body, 17, an output rotating shaft, 18, a needle bearing, 19, a bearing cover plate, 20 and a pressure spring.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate, and thorough understanding of the inventive concepts and aspects of the invention by those skilled in the art.
The structure of the invention as shown in fig. 2 is a screw locking structure of a motor of a piston type refrigeration compressor, which comprises a locking structure bottom plate 5, an electric locking shaft 12 and a standard screw cap 4. The locking structure is used for connecting and locking the compressor motor locking screw 3 with the compressor motor 2 and the compressor body 1.
In order to overcome the defects of the prior art and realize the aims of accurately positioning and quickly exchanging the locking structure, the invention adopts the following technical scheme:
as shown in fig. 2 to 5, in the screw locking structure of the piston type refrigeration compressor of the present invention, the centering module 8 is disposed in the screw locking structure of the piston type refrigeration compressor, the centering module 8 is fastened on the locking structure bottom plate 5, and the standard screw cap 4 is flexibly connected with the main rotating shaft 13 on the centering module 8.
The screw locking mechanism of the piston type refrigeration motor improves the position precision between the motor locking screw of the compressor and the electric locking shaft, and realizes flexible adjustment of the relative position between the electric locking shafts when the product model of the production line is changed, so as to ensure the technical characteristic index after the motor screw is locked.
The standard screw caps 4 reach the mutual position precision level between the prefabricated screw caps through the centering module 8, and the standard screw caps 4 are flexibly connected through the centering module 8, the locking structure bottom plate 5 and the universal connection transmission shaft 9; the electric shaft mounting plate 10 is precisely and tightly connected with the electric shaft connecting plate 11, and outputs the torque of the electric locking shaft, and under the condition of ensuring the same position precision with the screw of the stator, four motor moments are integrally generated and fastened in a rotating way.
The invention can accurately ensure the preset position of the standard screw cap 4 without on-line adjustment, and can achieve the purpose of quick model exchange by prefabricating different centering modules 8. The device is arranged on line, so that the production efficiency is ensured, and unnecessary operation time waste is reduced; the working mode is to provide accurate electric locking shaft 12 position and can meet the requirement of quick completion by changing different centering modules 8 during production and mold change.
By adopting the technical scheme, the invention obviously improves the technical level of locking and processing of the motor screw of the piston compressor, and has the advantages of simple structure, low manufacturing and using cost and quick adjustment; long service life, stability and reliability, no need of manual maintenance, oiling lubrication and the like; the application range is wide.
As shown in fig. 3, the flexible connection structure is as follows:
the centering module 8 comprises a main rotating shaft 13, a bearing retainer ring 14, a thrust bearing 15, a centering module body 16, an output rotating shaft 17, a needle bearing 18, a bearing cover plate 19 and a pressure spring 20.
The standard screw cap 4 is fixedly arranged at the end part of the output rotating shaft 17 on the centering module 8, the main rotating shaft 13 is inserted into a corresponding hole at the other end of the output rotating shaft 17 by adopting a square tenon or triangular tenon structure, and a pressure spring 20 is arranged in the hole.
The main rotating shaft 13 is axially fixed through steps on the main rotating shaft 13, a thrust bearing 15 and a bearing retainer ring 14; the output rotary shaft 17 is fixed in the radial direction in the fixed die body 16 through a needle bearing 18. The bearing cover plate 19 seals the needle bearing 18.
The compression spring 20 functions as: the height positions of the plurality of compressor motor locking screws 3 are inconsistent, but the standard screw caps 4 can be well matched with the compressor motor locking screws 3 under the elastic action of the pressure springs 20, so that the compressor motor locking screws 3 are locked.
As shown in fig. 2 and 5:
the main rotating shaft 13 is connected with the electric locking shaft 12 through the universal connection transmission shaft 9.
After combined installation, the mutual positions (four main rotating shafts 13 in the figure) among the plurality of main rotating shafts 13 are ensured, and the corresponding positions of motor screws required during the production of the compressor are reached, so that the positions of the motor screws are quickly and accurately corresponding; meanwhile, the centering module 8 can be replaced in time according to the position sizes of the fastening screw of the motor of the existing refrigerator compressor in the sizes A and B in fig. 4, and the purpose of quick response is achieved when the production type is replaced.
As shown in fig. 2:
the locking structure bottom plate 5 is provided with a centering module positioning groove, and the centering module 8 is arranged in the centering module positioning groove.
The structural bottom plate 5 in fig. 2 is provided with square grooves, the centering module 8 can reach the position and be fixed through the groove position, and the centering module 8 can be easily installed or detached in the groove of the structural bottom plate 5.
The locking mechanism is arranged on line and is fixedly connected with production line body process equipment, so that the motor screw can be fully automatically operated, and no blocking can be generated to production.
The centering module 8 is pressed on the locking structure bottom plate 5 through the centering module pressing plate 7.
As shown in fig. 2:
the electric locking shaft 12 is arranged on the electric shaft mounting plate 10 through an electric shaft connecting plate 11; the electric shaft mounting plate 10 is connected with the locking structure bottom plate 5 through the upright post 6.
Four posts 6 are provided in the figure. Through the support of the upright post 6, the electric locking shaft 12 is ensured to be reliably connected with the centering module 8 through the universal connection transmission shaft 9, and the rotation moment output by the electric locking shaft 12 is transmitted to the standard screw cap 4.
In order to achieve the same purpose as the technical scheme, the invention also provides a locking operation method of the screw locking structure of the piston type refrigeration compressor motor, which comprises the following steps:
screwing the compressor motor locking screw 3 into the locking screw hole;
the standard screw cap 4 is aligned with the compressor motor locking screw 3 through a locking structure and is pressed down, and the standard screw cap 4 is sleeved on the end head of the compressor motor locking screw 3;
starting a motor screw locking structure, rotating a standard screw cap 4, and screwing a compressor motor locking screw 3;
stopping the rotation of the standard screw cap 4, and lifting the standard screw cap 4 through a locking structure;
when the product specification is changed, the connecting part of the universal connection transmission shaft 9 and the main rotating shaft 13 is disassembled, the fixed middle die 8 is replaced, and the universal connection transmission shaft 9 is connected with the main rotating shaft 13 again.
The analysis indicated by the above: the invention obviously improves the screw locking processing technology level of the motor of the piston compressor. By adopting the novel structure, the processing technology characteristic of the product is improved, the production efficiency of the product is reduced due to unreasonable processing technology equipment, and the increased production cost is reduced, so that the requirement that the production cost is reduced while the production yield is improved in the production of the product is met.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the invention are adopted, all within the scope of the invention.
Claims (6)
1. The screw locking structure of the motor of the piston type refrigeration compressor comprises a locking structure bottom plate (5), an electric locking shaft (12) and a standard screw cap (4);
the method is characterized in that:
the motor screw locking structure is provided with a centering module (8), the centering module (8) is fastened on a locking structure bottom plate (5), and the standard screw cap (4) is flexibly connected with a main rotating shaft (13) on the centering module (8);
the flexible connection structure is as follows: the standard screw cap (4) is fixedly arranged at the end part of an output rotating shaft (17) on the fixed middle die (8), the main rotating shaft (13) is inserted into a corresponding hole at the other end of the output rotating shaft (17) by adopting a square tenon or triangular tenon structure, and a pressure spring (20) is arranged in the hole;
the main rotating shaft (13) is axially fixed through a thrust bearing (15) and a bearing retainer ring (14); the output rotating shaft (17) is fixed in the fixed die body (16) in the radial direction through a needle bearing (18);
the main rotating shaft (13) is connected with the electric locking shaft (12) through the universal connection transmission shaft (9).
2. The screw locking structure of a piston type refrigeration compressor according to claim 1, wherein: the locking structure base plate (5) is provided with a middle module locating groove, and the middle module (8) is arranged in the middle module locating groove.
3. The screw locking structure of a piston type refrigeration compressor according to claim 1, wherein: the centering module (8) is pressed on the locking structure bottom plate (5) through the centering module pressing plate (7).
4. The screw locking structure of a piston type refrigeration compressor according to claim 1, wherein: the electric locking shaft (12) is arranged on the electric shaft mounting plate (10) through an electric shaft connecting plate (11); the electric shaft mounting plate (10) is connected with the locking structure base plate (5) through the upright post (6) for supporting.
5. A locking operation method of a screw locking structure of a motor of a piston type refrigeration compressor according to any one of claims 1 to 4, wherein:
screwing a compressor motor locking screw (3) into the locking screw hole;
the standard screw cap (4) is aligned with the compressor motor locking screw (3) through the locking structure and is pressed down, and the standard screw cap (4) is sleeved on the end head of the compressor motor locking screw (3);
starting a motor screw locking structure, rotating a standard screw cap (4), and screwing a compressor motor locking screw (3);
the standard screw cap (4) stops rotating, and the standard screw cap (4) is lifted up through the locking structure.
6. The locking operation method of the screw locking structure of the piston type refrigeration compressor according to claim 5, wherein: when the product specification is changed, the connecting part of the universal connecting transmission shaft (9) and the main rotating shaft (13) is disassembled, the centering module (8) is changed, and the universal connecting transmission shaft (9) is connected with the main rotating shaft (13) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862013.8A CN108980004B (en) | 2018-08-01 | 2018-08-01 | Screw locking structure of motor of piston type refrigeration compressor and locking operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862013.8A CN108980004B (en) | 2018-08-01 | 2018-08-01 | Screw locking structure of motor of piston type refrigeration compressor and locking operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980004A CN108980004A (en) | 2018-12-11 |
| CN108980004B true CN108980004B (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810862013.8A Active CN108980004B (en) | 2018-08-01 | 2018-08-01 | Screw locking structure of motor of piston type refrigeration compressor and locking operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980004B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7021181B1 (en) * | 2005-02-01 | 2006-04-04 | Chi Li-Lien | Screwdriver having rotatable magazine |
| CN104999265A (en) * | 2015-07-29 | 2015-10-28 | 福建华龙化油器有限公司 | Pump cover screw locking mechanism |
| CN105058041A (en) * | 2015-09-14 | 2015-11-18 | 苏州博众精工科技有限公司 | Two-position locking mechanism |
| CN108176973A (en) * | 2017-12-29 | 2018-06-19 | 王建林 | Automatic locking screw machine structure and locking method applied to breaker of plastic casing pedestal |
| CN208669539U (en) * | 2018-08-01 | 2019-03-29 | 芜湖欧宝机电有限公司 | A kind of piston-type refrigerating compressor motor screw locking mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8813610B2 (en) * | 2012-06-21 | 2014-08-26 | Tera Autotech Corporation | Automatic screw tightening apparatus |
| CN205660611U (en) * | 2016-06-03 | 2016-10-26 | 苏州博思特装配自动化科技有限公司 | Hand -held type electric screwdriver with buffering shock -absorbing function |
| CN207983230U (en) * | 2018-02-08 | 2018-10-19 | 佛吉亚（中国）投资有限公司 | A kind of shared sleeve of screw bolt and nut |
-
2018
- 2018-08-01 CN CN201810862013.8A patent/CN108980004B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7021181B1 (en) * | 2005-02-01 | 2006-04-04 | Chi Li-Lien | Screwdriver having rotatable magazine |
| CN104999265A (en) * | 2015-07-29 | 2015-10-28 | 福建华龙化油器有限公司 | Pump cover screw locking mechanism |
| CN105058041A (en) * | 2015-09-14 | 2015-11-18 | 苏州博众精工科技有限公司 | Two-position locking mechanism |
| CN108176973A (en) * | 2017-12-29 | 2018-06-19 | 王建林 | Automatic locking screw machine structure and locking method applied to breaker of plastic casing pedestal |
| CN208669539U (en) * | 2018-08-01 | 2019-03-29 | 芜湖欧宝机电有限公司 | A kind of piston-type refrigerating compressor motor screw locking mechanism |
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| Publication number | Publication date |
|---|---|
| CN108980004A (en) | 2018-12-11 |
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