CN110434725B - Crankcase stator foot grinding device - Google Patents
Crankcase stator foot grinding device Download PDFInfo
- Publication number
- CN110434725B CN110434725B CN201910867449.0A CN201910867449A CN110434725B CN 110434725 B CN110434725 B CN 110434725B CN 201910867449 A CN201910867449 A CN 201910867449A CN 110434725 B CN110434725 B CN 110434725B
- Authority
- CN
- China
- Prior art keywords
- stator
- grinding
- positioning panel
- bearing plate
- crank case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 63
- 238000003825 pressing Methods 0.000 claims description 11
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 3
- 230000006835 compression Effects 0.000 abstract description 17
- 238000007906 compression Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 238000003754 machining Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
According to the crankcase stator leg grinding device, the bearing plate for bearing the parts is directly arranged on the bracket for installing the compression cylinder, and the positioning panel is directly arranged on the guide rail. In the working process, the compression cylinder applies acting force on the bearing plate, so that a part on the bearing plate moves downwards, and a stator foot to be processed of the part passes through the first countersunk head groove and the second through hole and is in contact with the grinding disc for processing. Because the second through hole and the first countersunk groove of the invention enable the position of the stator movement on the crank case to be relatively determined, and because the positioning panel is directly arranged on the guide rail, the datum of the positioning panel can not jump in the processing process, and the processing precision of the positioning panel can be effectively ensured.
Description
Technical Field
The invention relates to the technical field of compressor part machining, in particular to a crank case stator foot grinding device.
Background
The compressor is a heart of a refrigerating system, and sucks low-temperature and low-pressure refrigerant gas from the air suction pipe, drives the piston to compress the refrigerant gas through the motor, and then discharges the high-temperature and high-pressure refrigerant gas to the exhaust pipe to provide power for the refrigerating cycle, so that the refrigerating cycle of compression, condensation, expansion and evaporation is realized.
At present, most of compressors of domestic refrigerators are positive displacement compressors, wherein the compressors can be divided into reciprocating compressors and rotary compressors, and main parts comprise a crank case, a piston, a crankshaft, a connecting rod, a motor and the like. The crankcase is a basic body of the whole structure, and almost all parts are assembled on the basis of the basic body.
The crankcase stator feet are the most important working surfaces in compressors, and the machining precision is generally centimillimeter grade, and particularly the flatness is extremely high. The traditional crank case processing thought is as follows: the whole crankcase body is of a cast iron structure, and cast iron materials are generally selected to be HT200 series and the like. And casting and forming in a casting workshop through a die, and then performing mechanical processing such as turning or milling. The existing processing method for grinding the stator feet mostly adopts manual pressing type accurate grinding or grinding by a grinding machine, but adopts manual pressing type accurate grinding, so that the labor intensity is high, the working method and responsibility relationship with staff are very high, the quality cannot be well ensured, the product quality of the grinding machine by the grinding way can be ensured, but the production efficiency is low, the operation skill requirement of equipment is high, and the equipment input cost is also high.
To the problem, CN107336108a discloses a grinding device for stator feet of a crankcase, which comprises a lathe bed, wherein a main shaft mounting plate is arranged in the middle of the upper surface of the lathe bed, a main shaft is arranged on the main shaft mounting plate, a millstone cutter bar is arranged on the main shaft, a diamond millstone is arranged on the millstone cutter bar, a machine tool bottom plate is arranged at the top of the lathe bed, a linear rail fixing plate, a linear rail and a sliding block fixing plate are sequentially arranged on the upper surface of the machine tool bottom plate, a first cylinder bracket is arranged on the upper surface of the sliding block fixing plate, a compression cylinder is arranged in the middle of the top end of the first cylinder bracket, and a compression component is arranged on a piston rod of the compression cylinder. The grinding device can realize the finish machining of the stator surface of the crankcase of the refrigerator compressor, solves the problem of manual pressing grinding, and reduces the labor intensity of operators.
However, in this structure, the positioning panel is not fixed in position during grinding, which results in that the workpiece is changed in position in the vertical direction due to the force of the grinding disc on the workpiece during machining, and the positioning reference is changed, so that the machining accuracy is affected.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides the crank case stator foot grinding device, which aims to realize the finish machining of the crank case stator surface of the refrigerator compressor, solve the manual pressing grinding, reduce the labor intensity of operators, solve the difference problem caused by hand feeling of different operators and simultaneously solve the quality influence caused by the quality consciousness of staff.
According to one aspect of the invention, a crank case stator foot grinding device is provided, which comprises a frame and a mounting seat, wherein the mounting seat is arranged on the frame, a main shaft is arranged on the mounting seat in a penetrating way, a millstone cutter bar is arranged on the main shaft, and a millstone is arranged on the millstone cutter bar; the mounting seat is also provided with guide rails which are respectively arranged at two sides of the millstone, the guide rails are provided with connecting blocks in a sliding mode, and the connecting blocks are externally connected with a driving cylinder; a positioning panel is arranged between the guide rails in a sliding mode, a first countersunk head groove and a second through hole are arranged on the positioning panel, the second through hole is arranged at the bottom of the first countersunk head groove and is coaxial with the first countersunk head groove, the diameter of the first countersunk head groove is larger than that of the second through hole, a support is arranged on the upper surface of the positioning panel, a compression cylinder is arranged at the top of the support, the piston rod of the compressing cylinder is provided with a compressing assembly, springs are arranged on two sides of the inner side face of the support, the springs are connected with bearing plates, positioning holes matched with a crankcase stator are formed in the bearing plates, the compressing cylinder acts on the compressing assembly to compress the crankcase and do downward movement, so that crankcase stator feet are in contact with the grinding disc, and grinding processing of the stator feet is achieved.
On the basis of the scheme, preferably, the bottom of the frame is provided with a mounting frame, a motor is arranged on the mounting frame, a driving wheel is arranged on an output shaft of the motor, and a driven wheel which acts with the driving wheel is arranged at the bottom of the main shaft.
On the basis of the scheme, preferably, the bearing plate is concave, and connecting holes connected with the springs are respectively formed at two ends of the bearing plate.
On the basis of the scheme, preferably, a support is arranged on the mounting seat, and the driving cylinder is arranged on the support.
On the basis of the scheme, preferably, the positioning panel is connected with the connecting block, and the driving cylinder drives the connecting block to move so as to drive the positioning panel to slide on the guide rail.
On the basis of the scheme, the connecting block and the positioning panel are preferably designed into an integrated structure.
On the basis of the above scheme, preferably, a sliding block is arranged at the bottom of the positioning panel, and the positioning panel is connected with the guide rail through the sliding block.
On the basis of the scheme, preferably, the diameter of the second through hole is larger than that of the grinding disc.
On the basis of the scheme, the grinding disc is preferably a diamond grinding disc.
According to the crankcase stator leg grinding device, the bearing plate for bearing the parts is directly arranged on the bracket for installing the compression cylinder, and the positioning panel is directly arranged on the guide rail. In the working process, the compression cylinder applies acting force on the bearing plate, so that a part on the bearing plate moves downwards, and a stator foot to be processed of the part passes through the first countersunk head groove and the second through hole and is in contact with the grinding disc for processing.
Because the second through hole and the first countersunk groove of the invention enable the position of the stator movement on the crank case to be relatively determined, and because the positioning panel is directly arranged on the guide rail, the datum of the positioning panel can not jump in the processing process, and the processing precision of the positioning panel can be effectively ensured.
Drawings
FIG. 1 is a front view of a crankcase stator foot grinding device of the present invention;
Fig. 2 is a right side view of the crankcase stator foot grinding device of the invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1, the grinding device for stator feet of crank cases of the present invention includes a frame 10 and a mounting seat 11, wherein the mounting seat 11 is mounted on the frame 10 to form a mounting reference, a main shaft 12 is arranged on the mounting seat 11 in a penetrating manner, a grinding disc cutter bar 13 is arranged on the top of the main shaft 12, and a grinding disc 14 is mounted on the grinding disc cutter bar 13, and in the working process, the main shaft 12 rotates to drive the grinding disc cutter bar 13 to rotate, so that the grinding disc 14 on the grinding disc cutter bar 13 moves to realize the grinding treatment.
The mounting seat 11 of the invention is also provided with the guide rail 15, the guide rail 15 is respectively arranged at two sides of the millstone 14, the guide rail 15 is provided with the connecting block 16 in a sliding mode, the connecting block 16 is externally connected with the driving cylinder 18, and when in operation, the driving cylinder 18 drives the connecting block 16 to move on the guide rail 15 in the Y-axis direction, so that the aim of transverse feeding of the grinding wheel is fulfilled.
The invention is provided with a positioning panel 19 arranged between guide rails 15 in a sliding mode, wherein the positioning panel 19 is provided with a first countersunk head groove 20 and a second through hole 21, the second through hole 21 is arranged at the bottom of the first countersunk head groove 20, the second through hole 21 and the first countersunk head groove 20 are coaxially arranged, and the diameter of the first countersunk head groove 20 is larger than that of the second through hole 21.
In operation, the stator feet of the crankcase 40 pass through the first countersunk head groove 20 and then pass through the second through holes 21, and then interact with the grinding disc 14 to realize the grinding process.
With continued reference to fig. 1, the present invention is provided with a bracket 22 on the upper surface of the positioning panel 19, a compression cylinder 23 is mounted on the top of the bracket 22, a compression assembly 24 is disposed on a piston rod of the compression cylinder 23, springs 25 are mounted on both sides of the inner side surface of the bracket 22, the springs 25 are connected with a carrier plate 26, positioning holes adapted to the stator of the crankcase 40 are provided on the carrier plate 26, the compression cylinder 23 acts on the compression assembly 24 to compress the crankcase 40 so that the carrier plate 26 moves downward against the elastic force of the springs 25, thereby enabling the stator feet of the crankcase 40 to contact with the grinding disc 14 and realizing grinding processing of the stator feet.
According to the invention, the positioning holes are formed in the bearing plate 26, so that the crankcase 40 to be processed is positioned, the stator feet penetrate through the positioning holes and extend to the first countersink 20 and the second through holes 21, in the processing process, the depth of downward movement of the stator feet can be effectively limited by the structure of the crankcase 40 and the functions of the first countersink 20 and the second through holes 21 so as to control the grinding depth, and meanwhile, the position of the positioning plate in the height direction is relatively stable, in the processing process, only the constant acting force of the compression cylinder 23 is required to be ensured, and the relative position of the stator feet and the grinding disc 14 can be effectively ensured, so that the processing precision of the stator feet is ensured.
With continued reference to fig. 2, the bottom of the frame 10 of the present invention is provided with a mounting frame, a motor 28 is mounted on the mounting frame, a driving wheel 29 is disposed on an output shaft of the motor 28, and a driven wheel 30 acting with the driving wheel 29 is mounted on the bottom of the main shaft 12.
During operation, the motor 28 drives the driving wheel 29 to rotate so as to drive the driven wheel 30 to rotate, thereby rotating the main shaft 12 and realizing the steering movement of the grinding disc 14. The driving wheel 29 of the present invention is one of a pulley or a sprocket, wherein the pulley is a normal pulley or a V-shaped pulley.
With continued reference to fig. 2, the carrier plate 26 of the present invention is concave, and has at least four connecting holes connected to the springs 25 at two ends of the carrier plate 26, and the connecting holes are uniformly disposed at two sides of the carrier plate 26. One end of the spring 25 is connected with the connecting hole of the bearing plate 26, and the other end is connected with the bracket 22, so that the part to be processed on the bearing plate 26 can realize the axial feeding function under the action of the compression cylinder 23.
It should be noted that the mounting base 11 of the present invention is provided with a support 17, and the driving cylinder 18 is provided on the support 17.
In another preferred embodiment of the present invention, the positioning panel 19 of the present invention is connected to a connection block, and the driving cylinder 18 drives the connection block to move to drive the positioning panel 19 to slide on the guide rail, thereby realizing the infeed of the part to be processed.
In another preferred embodiment of the present invention, the connection block 16 of the present invention is of unitary structural design with the positioning panel 19. The bottom of the positioning panel 19 is provided with a sliding block, the positioning panel 19 is connected with the guide rail 15 through the sliding block, and the driving cylinder 18 drives the connecting block to move so as to drive the positioning panel 19 to slide on the guide rail, so that transverse feeding of the part to be processed is realized.
It is worth noting that the diameter of the second through hole 21 of the present invention is larger than the diameter of the grinding disc 14, and the grinding disc 14 is a diamond grinding disc 14.
In the grinding device for the stator feet of the crank case 40, a bearing plate 26 for bearing parts is directly arranged on a bracket 22 for installing a compression cylinder 23, and a positioning panel 19 is directly arranged on a guide rail 15. During operation, the pressing cylinder 23 applies a force to the bearing plate 26, so that the part on the bearing plate 26 moves downwards, and the stator feet to be machined of the part pass through the first countersunk grooves 20 and the second through holes 21 and are in contact with the grinding disc 14 for machining.
Due to the effects of the second through hole 21 and the first countersunk groove 20, the movement position of the stator on the crank case 40 is relatively determined, and the positioning panel 19 is directly arranged on the guide rail 15, so that the datum of the positioning panel 19 can not jump in the processing process, the processing precision of the positioning panel can be effectively ensured, and compared with the technical scheme in the background art, the positioning panel has the advantages that the spring 25 is directly adopted to replace the guide post and other structures, the functions and the structures of the positioning panel are ensured, the integral structure of the positioning panel is simpler, and the cost is lower.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. The crank case stator foot grinding device is characterized by comprising a frame and an installation seat, wherein the installation seat is arranged on the frame, a main shaft is arranged on the installation seat in a penetrating manner, a millstone cutter bar is arranged on the main shaft, and a millstone is arranged on the millstone cutter bar; the mounting seat is also provided with guide rails which are respectively arranged at two sides of the millstone, the guide rails are provided with connecting blocks in a sliding mode, and the connecting blocks are externally connected with a driving cylinder; the sliding type grinding machine comprises a guide rail, a positioning panel, a first countersunk head groove, a second through hole, a support, a pressing cylinder, a bearing plate and a bearing plate, wherein the positioning panel is arranged between the guide rails in a sliding mode, the first countersunk head groove and the second through hole are arranged on the positioning panel, the second through hole is arranged at the bottom of the first countersunk head groove and is coaxial with the bottom of the first countersunk head groove, the diameter of the first countersunk head groove is larger than that of the second through hole, the support is arranged on the upper surface of the positioning panel, the pressing cylinder is arranged at the top of the support, the piston rod of the pressing cylinder is provided with a pressing assembly, springs are arranged on two sides of the inner side surface of the support, the springs are connected with the bearing plate, and the bearing plate is provided with positioning holes matched with a crank case stator, and the pressing cylinder acts on the pressing assembly to press the crank case and do descending motion, so that crank case stator feet are contacted with a grinding disc, and grinding processing of the stator feet is achieved; the bottom of the frame is provided with a mounting frame, a motor is arranged on the mounting frame, a driving wheel is arranged on an output shaft of the motor, and a driven wheel which acts with the driving wheel is arranged at the bottom of the main shaft; the bearing plate is concave, and connecting holes connected with the springs are respectively arranged at two ends of the bearing plate.
2. A crank case stator foot grinding apparatus as claimed in claim 1 wherein the mounting block is provided with a support on which the drive cylinder is mounted.
3. A crank case stator foot grinding apparatus as set forth in claim 1 wherein the positioning panel is connected to the connecting block and the drive cylinder moves the connecting block to drive the positioning panel to slide on the guide rail.
4. The crankcase stator leg grinding apparatus of claim 1 wherein the connecting block is of unitary structural design with the locating panel.
5. The crankcase stator leg grinding apparatus of claim 4 wherein the bottom of the locating panel is provided with a slider, the locating panel being connected to the rail by the slider.
6. A crankcase stator leg grinding apparatus as set forth in claim 1 wherein the diameter of said second through bore is greater than the diameter of said grinding disc.
7. A crankcase stator foot grinding apparatus as set forth in claim 1 wherein the grinding disc is a diamond grinding disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867449.0A CN110434725B (en) | 2019-09-12 | 2019-09-12 | Crankcase stator foot grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867449.0A CN110434725B (en) | 2019-09-12 | 2019-09-12 | Crankcase stator foot grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110434725A CN110434725A (en) | 2019-11-12 |
| CN110434725B true CN110434725B (en) | 2024-05-03 |
Family
ID=68440121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910867449.0A Active CN110434725B (en) | 2019-09-12 | 2019-09-12 | Crankcase stator foot grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110434725B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1795921C (en) * | 1990-12-04 | 1993-02-15 | Комсомольский-на-Амуре авиационный завод им.Ю.А.Гагарина | Die for blanking out parts from sheet |
| DE19825698A1 (en) * | 1998-06-09 | 1999-12-23 | Shl Seelmann Haering Und Lehr | Belt grinder with contact wheel and belt guide rollers |
| JP2012051057A (en) * | 2010-08-31 | 2012-03-15 | Isuzu Motors Ltd | Honing method and machining device |
| CN107336108A (en) * | 2017-08-16 | 2017-11-10 | 安徽华旦机械制造有限公司 | A kind of crankcase stator pin grinding attachment |
| CN108747653A (en) * | 2018-06-26 | 2018-11-06 | 芜湖博康汽车饰件有限公司 | A kind of auto parts machinery grinding device |
| CN109746803A (en) * | 2019-03-27 | 2019-05-14 | 青岛高测科技股份有限公司 | A kind of double bistrique high efficient grinding mechanisms of semiconductor crystal bar |
| CN210909348U (en) * | 2019-09-12 | 2020-07-03 | 黄石华旦机械制造有限公司 | Crankcase stator foot grinding device |
-
2019
- 2019-09-12 CN CN201910867449.0A patent/CN110434725B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1795921C (en) * | 1990-12-04 | 1993-02-15 | Комсомольский-на-Амуре авиационный завод им.Ю.А.Гагарина | Die for blanking out parts from sheet |
| DE19825698A1 (en) * | 1998-06-09 | 1999-12-23 | Shl Seelmann Haering Und Lehr | Belt grinder with contact wheel and belt guide rollers |
| JP2012051057A (en) * | 2010-08-31 | 2012-03-15 | Isuzu Motors Ltd | Honing method and machining device |
| CN107336108A (en) * | 2017-08-16 | 2017-11-10 | 安徽华旦机械制造有限公司 | A kind of crankcase stator pin grinding attachment |
| CN108747653A (en) * | 2018-06-26 | 2018-11-06 | 芜湖博康汽车饰件有限公司 | A kind of auto parts machinery grinding device |
| CN109746803A (en) * | 2019-03-27 | 2019-05-14 | 青岛高测科技股份有限公司 | A kind of double bistrique high efficient grinding mechanisms of semiconductor crystal bar |
| CN210909348U (en) * | 2019-09-12 | 2020-07-03 | 黄石华旦机械制造有限公司 | Crankcase stator foot grinding device |
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| Publication number | Publication date |
|---|---|
| CN110434725A (en) | 2019-11-12 |
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