CN116393721A - Debugging method of rotor finish machining double-center clamp - Google Patents
Debugging method of rotor finish machining double-center clamp Download PDFInfo
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- CN116393721A CN116393721A CN202310340538.6A CN202310340538A CN116393721A CN 116393721 A CN116393721 A CN 116393721A CN 202310340538 A CN202310340538 A CN 202310340538A CN 116393721 A CN116393721 A CN 116393721A
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- clamping
- center
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- tailstock
- flange
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003754 machining Methods 0.000 title claims abstract description 15
- 230000009191 jumping Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010009 beating Methods 0.000 abstract description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/02—Dead centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a debugging method of two top anchor clamps of rotor finish machining, including moving top and fixed top, fixed top's ring flange passes through the screw and is connected with the tailstock, and the ring flange of tailstock passes through the screw and is connected with the ring flange of grip housing one end, is equipped with adjusting nut on the connecting bolt of grip housing ring flange both sides respectively, and the other end of grip housing is equipped with the grip housing, and shrinkage joint has been seted up to one side of grip housing, and shrinkage joint department locks through the clamping bolt, be equipped with the spring jacket in the grip housing. Can guarantee that rotor subassembly whole course of working clamping mode is unanimous, the detection of beating is less than or equal to 0.005 after the clamp clamping debugging is accomplished, and the frock precision improves, and stability improves, and the anchor clamps after the debugging is good, the workman only need about work piece can, and the requirement of operating personnel skill greatly reduced, the time of getting on the mail can accomplish in 1 minute, raises the efficiency, can practice thrift very big cost of labor, satisfies the demand of batch processing.
Description
Technical field:
the invention relates to a debugging method of a rotor finish machining double-center clamp.
The background technology is as follows:
at present, in the processing process of a rotor molded line of a hydrogen circulating pump or an air compressor, a rotor is generally clamped by a double-center clamp, a fixed center is generally clamped by a hydraulic chuck, and a movable center is matched with the fixed center to clamp the rotor. For products with low machining precision requirements, the fixture is applicable, however, because the contour of the molded line of the rotor and the center of the shaft have strict form and position tolerance requirements, the fixture can be machined by jumping detection after clamping and debugging are completed, and batch production is required, for the existing common double-center fixture, on the one hand, the concentricity of the movable center and the fixed center is difficult to adjust, on the other hand, the concentricity of the rotor, the movable center and the fixed center is difficult to ensure, the operation of the fixture needs long experience accumulation, the technical requirements on operators are higher, the debugging time of the fixture is long, generally, 3-5 minutes are required, the clamping stability of the fixture is poor in the machining process, the position of the fixture can be changed after the rotor is replaced, the machining detection result only represents a measured part, the quality of a workpiece which is not measured cannot be accurately mastered, and the fixture is only suitable for single-part small-batch machining, and the requirement of batch machining cannot be met.
In summary, in the field of hydrogen circulation pumps or air compressors, the problem of finishing molded lines of rotors has become a technical problem to be solved in the industry.
The invention comprises the following steps:
the invention provides a debugging method of a rotor finish machining double-center clamp, which solves the problem that concentricity of a rotor, a movable center and a fixed center is difficult to guarantee in the past, solves the problems of higher skill requirements on operators and long debugging time of workpiece loading in the past, and solves the problems that the quality of a workpiece cannot be accurately mastered in the past and is only suitable for single-workpiece small-batch machining.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the debugging method of the double-center clamp for the finish machining of the rotor comprises a movable center and a fixed center, and is characterized in that: the flange of the fixed center is connected with the tailstock through screws, the flange of the tailstock is connected with the four shafts of the machine tool through screws, the flange of the tailstock and the flange of the fixed center are connected with the flange of one end of the clamping sleeve through a plurality of connecting bolts, adjusting nuts are respectively arranged on the connecting bolts on two sides of the flange of the clamping sleeve, the other end of the clamping sleeve is provided with a clamping seat, the clamping seat is locked through the clamping bolts, a clamping spring sleeve is arranged in the clamping seat, and the clamping spring sleeve is limited and fixed through limiting screws arranged on one side of the clamping seat;
the specific debugging steps are as follows:
step one: adjusting the circumferential runout of the tailstock through a meter by matching a flange of the screw debugging tailstock with four shafts of a machine tool, and locking the tailstock screw after the runout value reaches a required value;
step two: adjusting the runout of the circumference of the fixed center through a meter by matching a flange of the fixed center with a tailstock through a screw, and locking the fixed center screw after the runout value reaches a required value;
step three: adjusting the centers of the movable center and the fixed center to coincide, jacking a standard correction rod between the movable center and the fixed center, detecting the difference between the numbers of the bus bars at the upper side and the bus bars at the front side of the standard correction rod by using a lever meter, and adjusting the position of the movable center until the centers of the movable center and the fixed center coincide;
step four: the method comprises the steps of adjusting the center of a clamping sleeve to coincide with the center of a movable center and a fixed center, enabling a flange plate of the clamping sleeve to pass through the flange plate of the fixed center through a plurality of connecting bolts to be connected with a tailstock, enabling the clamping sleeve to be simply fixed and unlocked, enabling a clamping spring sleeve to be installed in the clamping seat and to be limited and fixed through a limiting screw, enabling a standard gauge rod to pass through the clamping spring sleeve and extend into the clamping sleeve, enabling the clamping bolts to be screwed and fixed, adjusting an adjusting nut on the connecting bolts, placing a gauge head of a lever gauge on the standard gauge rod, rotating a clamp, adjusting the adjusting nut until the standard gauge rod is jumped to meet the use requirement according to the jumping condition of a gauge needle, repeatedly assembling and disassembling the standard gauge rod, detecting an upper bus and a front bus of the standard gauge rod to meet the use requirement, and then locking the adjusting nut, and debugging.
And a shrinkage joint is formed on one side of the clamping seat, and the shrinkage joint is locked through a clamping bolt.
The clamping spring sleeve is provided with a plurality of shrinkage joints, and the clamping seat is matched with the clamping spring sleeve to clamp and fix the rotor shaft inside.
The flange of the fixed center is in clearance fit with the tailstock, and the flange of the tailstock is in clearance fit with four shafts of the machine tool and is used for adjusting concentricity of the movable center and the fixed center.
The number of the connecting bolts is three, the connecting bolts are uniformly distributed along the circumferential direction, and the adjusting nuts are used for adjusting the clamping sleeve so as to adjust the concentricity of the rotor shaft.
The middle part of the clamping sleeve is provided with an opening which is convenient for observing the inside.
The clamping bolt is arranged vertically relative to the shrinkage joint of the clamping seat, and is in threaded connection with the clamping seat.
The outer surface of the clamping spring sleeve is provided with an annular groove, and the inner end of the limit screw penetrates through the clamping seat and extends into the annular groove.
And a limiting boss for limiting the clamping spring sleeve is arranged on the inner side surface of the clamping sleeve.
The invention adopts the scheme and has the following advantages:
the flange of the fixed center is connected with the tailstock through a screw and is in clearance fit, and the flange of the tailstock is connected with the four shafts of the machine tool through a screw and is in clearance fit, so that the concentricity of the movable center and the fixed center can be conveniently adjusted; the flange plate of the clamping sleeve penetrates through the flange plate of the fixed center through a plurality of connecting bolts to be connected with the tailstock, and adjusting nuts are respectively arranged on the connecting bolts at the two sides of the flange plate of the clamping sleeve, so that the clamping sleeve can be conveniently adjusted, and the concentricity of the rotor shaft is adjusted; can guarantee that rotor subassembly whole course of working clamping mode is unanimous, the detection of beating is less than or equal to 0.005 after the clamp clamping debugging is accomplished, the frock precision improves, stability improves, the anchor clamps after the debugging, the workman only need about work piece can, need not carry out unnecessary operation, the requirement greatly reduced to operating personnel skill, the time of getting on the mail can accomplish in 1 minute, practice thrift auxiliary time, raise the efficiency, satisfy one person's multimachine requirement, can practice thrift very big cost of labor, satisfy the demand of batch processing.
Description of the drawings:
fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of a front view structure of the present invention.
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2.
Fig. 4 is a schematic view of the cross-sectional structure of B-B in fig. 2.
Fig. 5 is a schematic view of a three-dimensional enlarged structure of the clamping sleeve and the fixed center of the present invention.
Fig. 6 is a schematic view of a three-dimensional enlarged structure of the clamping sleeve of the present invention.
Fig. 7 is a schematic view of a three-dimensional enlarged structure of the spring housing of the present invention.
In the figure, 1, a movable center, 2, a fixed center, 3, a tailstock, 4, a connecting bolt, 5, an adjusting nut, 6, a clamping seat, 7, a shrinkage joint, 8, a clamping bolt, 9, a clamping spring sleeve, 10, a limit screw, 11, an annular groove, 12, a limit boss, 13, a rotor, 14, a rotor shaft, 15 and a clamping sleeve.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-7, the debugging method of the rotor finishing double-center clamp comprises a movable center 1 and a fixed center 2, wherein a flange plate of the fixed center 2 is connected with a tailstock 3 through screws, the flange plate of the tailstock 3 is connected with a four-axis of a machine tool through screws, the flange plates of the tailstock 3 and the fixed center 2 are connected with a flange plate at one end of a clamping sleeve 15 through a plurality of connecting bolts 4, adjusting nuts 5 are respectively arranged on the connecting bolts 4 at two sides of the flange plate of the clamping sleeve 15, a clamping seat 6 is arranged at the other end of the clamping sleeve 15, a clamping spring sleeve 9 is arranged in the clamping seat 6, and the clamping spring sleeve 9 is limited and fixed through a limiting screw 10 arranged at one side of the clamping seat 6;
the specific debugging steps are as follows:
step one: adjusting the runout of the circumference of the tailstock by a meter by matching the flange of the screw debugging tailstock 3 with four shafts of a machine tool, and locking the tailstock screw after the runout value reaches a required value;
step two: adjusting the runout of the circumference of the fixed center by adjusting the fit of the flange of the fixed center 2 and the tailstock 3 through a screw, and locking the fixed center screw after the runout value reaches a required value;
step three: the center of the movable center 1 and the center of the fixed center 2 are adjusted to coincide, a standard correction rod is jacked between the movable center 1 and the fixed center 2, the difference between the numbers of bus bars at the upper side and bus bars at the front side of the standard correction rod is detected by a lever meter, and the position of the movable center 1 is adjusted until the centers of the movable center 1 and the fixed center 2 coincide;
step four: the clamping sleeve 15 is adjusted to coincide with the centers of the movable center 1 and the fixed center 2, a flange plate of the clamping sleeve 15 passes through the flange plate of the fixed center 2 through a plurality of connecting bolts 4 to be connected with the tailstock 3, the clamping sleeve 15 is simply fixed and unlocked, the clamping spring sleeve 9 is installed in the clamping seat 6 and is limited and fixed through the limiting screw 10, the standard check rod passes through the clamping spring sleeve 9 to extend into the clamping sleeve 15, the clamping bolts 8 are screwed and fixed, the adjusting nuts 5 on the connecting bolts 4 are adjusted, the gauge heads of the lever gauge heads are placed on the standard check rod, the adjusting nuts 5 are adjusted according to the jumping condition of gauge pins until the standard check rod is jumped to meet the use requirement, the standard check rod is repeatedly assembled and disassembled, the upper bus and the front bus of the standard check rod are detected to meet the use requirement, the adjusting nuts 5 are locked again, and the debugging is completed.
One side of the clamping seat 6 is provided with a shrinkage joint 7, and the shrinkage joint 7 is locked through a clamping bolt 8.
The clamping spring sleeve 9 is provided with a plurality of shrinkage joints 7, and the clamping seat 6 is matched with the clamping spring sleeve 9 to clamp and fix the rotor shaft 14 inside.
The flange of the fixed center 2 is in clearance fit with the tailstock 3, and the flange of the tailstock 3 is in clearance fit with four shafts of a machine tool and is used for adjusting concentricity of the movable center 1 and the fixed center 2.
The number of the connecting bolts 4 is three, the connecting bolts are uniformly distributed along the circumferential direction, and the adjusting nuts 5 are used for adjusting the clamping sleeves 15 to adjust the concentricity of the rotor shaft 14.
The middle part of the clamping sleeve 15 is provided with an opening which is convenient for observing the inside.
The clamping bolts 8 are vertically arranged relative to the shrinkage joints 7 of the clamping seat 6, the clamping bolts 8 are in threaded connection with the clamping seat 6, and the clamping seat 6 is clamped or loosened by screwing the clamping bolts 8.
The outer surface of the clamping spring sleeve 9 is provided with an annular groove 11, and the inner end of the limit screw 10 penetrates through the clamping seat 6 to extend into the annular groove 11 to limit the clamping spring sleeve 9, so that axial movement is avoided.
The inside surface of the clamping sleeve 15 is provided with a limiting boss 12 for limiting the clamping spring sleeve 9, and limiting the axial position of the clamping spring sleeve 9.
After the fixture is debugged, the clamping mode of the whole machining process of the rotor 13 assembly can be guaranteed to be consistent, workers only need to go up and down workpieces, the workpiece feeding time can be completed within 1 clock, and the requirement of batch machining is met.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (9)
1. The debugging method of the double-center clamp for the finish machining of the rotor comprises a movable center and a fixed center, and is characterized in that: the flange of the fixed center is connected with the tailstock through screws, the flange of the tailstock is connected with the four shafts of the machine tool through screws, the flange of the tailstock and the flange of the fixed center are connected with the flange of one end of the clamping sleeve through a plurality of connecting bolts, adjusting nuts are respectively arranged on the connecting bolts on two sides of the flange of the clamping sleeve, the other end of the clamping sleeve is provided with a clamping seat, the clamping seat is locked through the clamping bolts, a clamping spring sleeve is arranged in the clamping seat, and the clamping spring sleeve is limited and fixed through limiting screws arranged on one side of the clamping seat;
the specific debugging steps are as follows:
step one: adjusting the circumferential runout of the tailstock through a meter by matching a flange of the screw debugging tailstock with four shafts of a machine tool, and locking the tailstock screw after the runout value reaches a required value;
step two: adjusting the runout of the circumference of the fixed center through a meter by matching a flange of the fixed center with a tailstock through a screw, and locking the fixed center screw after the runout value reaches a required value;
step three: adjusting the centers of the movable center and the fixed center to coincide, jacking a standard correction rod between the movable center and the fixed center, detecting the difference between the numbers of the bus bars at the upper side and the bus bars at the front side of the standard correction rod by using a lever meter, and adjusting the position of the movable center until the centers of the movable center and the fixed center coincide;
step four: the method comprises the steps of adjusting the center of a clamping sleeve to coincide with the center of a movable center and a fixed center, enabling a flange plate of the clamping sleeve to pass through the flange plate of the fixed center through a plurality of connecting bolts to be connected with a tailstock, enabling the clamping sleeve to be simply fixed and unlocked, enabling a clamping spring sleeve to be installed in the clamping seat and to be limited and fixed through a limiting screw, enabling a standard gauge rod to pass through the clamping spring sleeve and extend into the clamping sleeve, enabling the clamping bolts to be screwed and fixed, adjusting an adjusting nut on the connecting bolts, placing a gauge head of a lever gauge on the standard gauge rod, rotating a clamp, adjusting the adjusting nut until the standard gauge rod is jumped to meet the use requirement according to the jumping condition of a gauge needle, repeatedly assembling and disassembling the standard gauge rod, detecting an upper bus and a front bus of the standard gauge rod to meet the use requirement, and then locking the adjusting nut, and debugging.
2. The method for adjusting the double-center clamp for rotor finishing according to claim 1, wherein the method comprises the following steps: and a shrinkage joint is formed on one side of the clamping seat, and the shrinkage joint is locked through a clamping bolt.
3. The method for adjusting the double-center clamp for rotor finishing according to claim 1, wherein the method comprises the following steps: the clamping spring sleeve is provided with a plurality of shrinkage joints, and the clamping seat is matched with the clamping spring sleeve to clamp and fix the rotor shaft inside.
4. The method for adjusting the double-center clamp for rotor finishing according to claim 1, wherein the method comprises the following steps: the flange of the fixed center is in clearance fit with the tailstock, and the flange of the tailstock is in clearance fit with four shafts of the machine tool and is used for adjusting concentricity of the movable center and the fixed center.
5. The method for adjusting the double-center clamp for rotor finishing according to claim 1, wherein the method comprises the following steps: the number of the connecting bolts is three, the connecting bolts are uniformly distributed along the circumferential direction, and the adjusting nuts are used for adjusting the clamping sleeve so as to adjust the concentricity of the rotor shaft.
6. The method for adjusting the double-center clamp for rotor finishing according to claim 1, wherein the method comprises the following steps: the middle part of the clamping sleeve is provided with an opening which is convenient for observing the inside.
7. The method for adjusting the double-center clamp for rotor finishing according to claim 2, wherein the method comprises the following steps: the clamping bolt is arranged vertically relative to the shrinkage joint of the clamping seat, and is in threaded connection with the clamping seat.
8. The method for adjusting the double-center clamp for rotor finishing according to claim 1, wherein the method comprises the following steps: the outer surface of the clamping spring sleeve is provided with an annular groove, and the inner end of the limit screw penetrates through the clamping seat and extends into the annular groove.
9. The method for adjusting the double-center clamp for rotor finishing according to claim 1, wherein the method comprises the following steps: and a limiting boss for limiting the clamping spring sleeve is arranged on the inner side surface of the clamping sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310340538.6A CN116393721B (en) | 2023-03-29 | 2023-03-29 | Debugging method of rotor finish machining double-center clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310340538.6A CN116393721B (en) | 2023-03-29 | 2023-03-29 | Debugging method of rotor finish machining double-center clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116393721A true CN116393721A (en) | 2023-07-07 |
| CN116393721B CN116393721B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310340538.6A Active CN116393721B (en) | 2023-03-29 | 2023-03-29 | Debugging method of rotor finish machining double-center clamp |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780641A (en) * | 2010-04-02 | 2010-07-21 | 江苏汤臣汽车零部件有限公司 | Automobile brake camshaft double-center cutting process and double-center cutting clamp thereof |
| CN202015968U (en) * | 2011-04-01 | 2011-10-26 | 无锡五洋赛德压缩机有限公司 | Positioning clamp for screw rotor threaded driving end |
| CN202015967U (en) * | 2011-04-01 | 2011-10-26 | 无锡五洋赛德压缩机有限公司 | Positioning clamp of key-groove type driving end of screw rotor |
| CN210703792U (en) * | 2019-10-09 | 2020-06-09 | 四川江油中恒特钢有限公司 | Floating clamp |
| CN213410355U (en) * | 2020-07-27 | 2021-06-11 | 中国第一汽车股份有限公司 | Double-tip turning driving clamp |
| CN114310339A (en) * | 2022-01-19 | 2022-04-12 | 山西汾西重工有限责任公司 | Inner shaft fixing tool and inner shaft double-tip clamping fixing machining method |
| CN219598107U (en) * | 2023-03-29 | 2023-08-29 | 烟台东德实业有限公司 | Double-center clamp for rotor finish machining |
-
2023
- 2023-03-29 CN CN202310340538.6A patent/CN116393721B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780641A (en) * | 2010-04-02 | 2010-07-21 | 江苏汤臣汽车零部件有限公司 | Automobile brake camshaft double-center cutting process and double-center cutting clamp thereof |
| CN202015968U (en) * | 2011-04-01 | 2011-10-26 | 无锡五洋赛德压缩机有限公司 | Positioning clamp for screw rotor threaded driving end |
| CN202015967U (en) * | 2011-04-01 | 2011-10-26 | 无锡五洋赛德压缩机有限公司 | Positioning clamp of key-groove type driving end of screw rotor |
| CN210703792U (en) * | 2019-10-09 | 2020-06-09 | 四川江油中恒特钢有限公司 | Floating clamp |
| CN213410355U (en) * | 2020-07-27 | 2021-06-11 | 中国第一汽车股份有限公司 | Double-tip turning driving clamp |
| CN114310339A (en) * | 2022-01-19 | 2022-04-12 | 山西汾西重工有限责任公司 | Inner shaft fixing tool and inner shaft double-tip clamping fixing machining method |
| CN219598107U (en) * | 2023-03-29 | 2023-08-29 | 烟台东德实业有限公司 | Double-center clamp for rotor finish machining |
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| Publication number | Publication date |
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| CN116393721B (en) | 2024-05-07 |
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