CN107791070B - A processing lathe for making anti vibration strip - Google Patents
A processing lathe for making anti vibration strip Download PDFInfo
- Publication number
- CN107791070B CN107791070B CN201711177821.2A CN201711177821A CN107791070B CN 107791070 B CN107791070 B CN 107791070B CN 201711177821 A CN201711177821 A CN 201711177821A CN 107791070 B CN107791070 B CN 107791070B
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- CN
- China
- Prior art keywords
- vibration
- strip
- lathe
- sleeve
- fixing
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- 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.)
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 239000004677 Nylon Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000010923 batch production Methods 0.000 abstract description 5
- 239000002918 waste heat Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000007514 turning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 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
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- 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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a processing lathe for manufacturing vibration-resistant strips, which comprises a lathe body, a lathe spindle arranged on the lathe body and further comprises: the three-jaw chuck is arranged at the front end of the lathe spindle, and is provided with an adjusting sleeve and a pressing plate for fixing the vibration-resistant strip; the support sleeve is arranged at the rear end of the lathe spindle and used for fixing the anti-vibration strip, and a fixing and limiting assembly used for adjusting the anti-vibration strip is arranged on the support sleeve. The invention can prevent distortion and deformation in the part processing process, has simple clamping, can realize batch production and reduces the production cost.
Description
Technical Field
The present invention relates to a part machining and manufacturing technology, and more particularly, to a machining lathe for manufacturing vibration-resistant bars.
Background
The nuclear power passive waste heat discharge heat exchanger is core equipment of a passive reactor core cooling system, provides an emergency reactor core decay heat discharge function, and plays an important role in safe operation of a reactor. The waste heat discharging heat exchanger has complex structure and high technical difficulty requirement. The vibration-proof strip (also called residual vibration-proof strip) used in the nuclear power passive waste heat discharging heat exchanger is a key part of the nuclear power passive waste heat discharging heat exchanger, the vibration-proof strip is in an elongated square shape, the size is 1590mm long by 18.67mm wide by 13.7mm wide, the structure of the part is special, the end of the part is also provided with an SR4.8 spherical surface and a cylindrical surface phi 10.5mm long by 32mm, and the distortion requirement of the vibration-proof strip is 0.05mm/300mm, so that the size precision requirement of the part is very high.
When the end part of the vibration-proof strip is processed, and the SR4.8 spherical surface and a cylindrical surface with the diameter of 10.5mm and the length of 32mm are also processed, the vibration-proof strip is fixed for manufacturing a special fixture in the conventional processing mode, a sleeve cutter is customized, and the vibration-proof strip is processed in a horizontal processing center. However, the processing method not only needs to design and manufacture a special fixture, but also has complex clamping, can only produce single piece, can not operate in batches, and has high manufacturing cost; in addition, because the part distortion is comprehensively influenced by the verticality, the parallelism, the straightness and the flatness of the part, the rejection rate of the part is very high, so that the part distortion is uncontrollable.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a processing lathe for manufacturing anti-vibration strips, which can prevent distortion in the part processing process, is simple in clamping, can realize batch production and reduces the production cost.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a machine tool for manufacturing vibration-resistant bars, comprising a lathe bed and a lathe spindle provided on the lathe bed, further comprising:
the three-jaw chuck is arranged at the front end of the lathe spindle, and is provided with an adjusting sleeve and a pressing plate for fixing the vibration-resistant strip;
the support sleeve is arranged at the rear end of the lathe spindle and used for fixing the anti-vibration strip, and a fixing and limiting assembly used for adjusting the anti-vibration strip is arranged on the support sleeve.
The adjusting sleeve is sleeved on the anti-vibration strip, and the three-jaw chuck clamps the adjusting sleeve.
The pressing plate is connected to the adjusting sleeve through an inner hexagon screw.
The support sleeve is in left-handed threaded connection with the rear end of the lathe spindle.
The support sleeve is also provided with a nylon fixing sleeve for fixing the vibration-resistant strip.
The fixed limiting component is in M16 threaded connection with the supporting sleeve.
The fixed limiting component comprises a limiting rod, a limiting block and two spherical hexagonal nuts, wherein one end of the limiting rod is in M16 threaded connection with the supporting sleeve, the limiting block and the two spherical hexagonal nuts are sleeved on the limiting rod, and the limiting block is located between the two spherical hexagonal nuts.
The lathe body is also provided with a tool rest and a lathe tail frame.
In the technical scheme, the processing lathe for manufacturing the vibration-resistant strip has the following beneficial effects:
1. according to the invention, the vibration-resistant strip is fixed by the adjusting sleeve and the fixed limiting assembly, so that the distortion of parts caused by the rotation inertia of the main shaft in the turning process is prevented;
2. the fixed limiting component consists of a limiting rod, a limiting block and two spherical hexagonal nuts, the position of the limiting block is changed by adjusting the two spherical hexagonal nuts, and the position of the limiting block can be fixed by clamping a part head piece, so that the purposes of quick clamping and batch production are realized;
3. the support sleeve is in left-handed threaded connection with the rear end of the lathe spindle, so that the anti-loosening effect can be achieved in the machining process, and the parts are prevented from being distorted;
4. the support sleeve is of an assembly structure, and the nylon fixing sleeve is in contact with the vibration-resistant strip part, so that the part is prevented from being scratched in the clamping process;
5. the adjusting sleeve is cylindrical in overall appearance, so that the position of a part can be conveniently adjusted by clamping the three-jaw chuck, the clamping mode of the four-jaw chuck of the square part is changed into three-jaw self-centering clamping, and the clamping operation is simplified.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the fixed stop assembly of the present invention;
FIG. 3 is a schematic view of the structure of the adjustment sleeve and the pressure plate of the present invention;
fig. 4 is a top view of fig. 3.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, a processing lathe for manufacturing anti-vibration bars provided by the present invention includes a lathe body 1 and a lathe spindle 2 disposed on the lathe body 1, wherein the lathe spindle 2 is used for mounting anti-vibration bar 3 parts, and the above description is omitted herein. Unlike the prior art, further comprising:
the three-jaw chuck 4 is arranged at the front end of the lathe spindle 2, the three-jaw chuck 4 is provided with an adjusting sleeve 5 and a pressing plate 6 for fixing the clamping position of the anti-vibration strip 3, the three-jaw chuck 4 clamps the adjusting sleeve 5, the adjusting sleeve 5 clamps the anti-vibration strip 3 through the pressing plate 6, and the pressing plate 6 is connected to the adjusting sleeve 5 through an inner hexagon screw 8.
The support sleeve 7 is arranged at the rear end of the lathe spindle 2 and used for fixing the anti-vibration strip 3, the fixed limiting component 10 is arranged on the support sleeve 7 and used for adjusting the anti-vibration strip 3, and the anti-vibration strip 3 is fixed through the adjusting sleeve 5 and the fixed limiting component, so that the distortion of parts of the anti-vibration strip 3 caused by the rotation inertia of the lathe spindle 2 in the turning process is prevented.
Preferably, the adjusting sleeve 5 is sleeved on the anti-vibration strip 3, the overall appearance of the adjusting sleeve 5 is cylindrical, the position of a part is conveniently adjusted by clamping the three-jaw chuck 4, the clamping mode of the square part four-jaw chuck is changed into three-jaw self-centering clamping, the clamping operation is simplified, and efficient clamping is realized.
Preferably, the support sleeve 7 is in left-handed threaded connection with the rear end of the lathe spindle 2, and the fixed limiting component 10 is in M16 threaded connection with the support sleeve 7, so that looseness in the machining process can be prevented, and distortion of parts of the anti-vibration strip 3 is prevented.
Preferably, the support sleeve 7 is further provided with a nylon fixing sleeve 9, and the nylon fixing sleeve 9 is in contact with the anti-vibration strip 3 to fix the anti-vibration strip 3, so that the surface of the anti-vibration strip 3 can be prevented from being scratched in the clamping process.
Preferably, the fixed limiting component 10 includes gag lever post 101, stopper 102 and two spherical hexagonal nuts 103, adopts M16 threaded connection between the one end of gag lever post 101 and the supporting sleeve 7, stopper 102 and two spherical hexagonal nuts 103 all overlap and locate on the gag lever post 101, and stopper 102 is located between two spherical hexagonal nuts 103, changes stopper 102's position through adjusting two spherical hexagonal nuts 103, after the first spare clamping of 3 parts of rethread vibration resistant strip, just can fix stopper 102's position, realizes quick clamping, batch production's purpose.
Preferably, the lathe body 1 is further provided with a tool rest 11 and a lathe tail 12 for processing and preparing the vibration-proof strip 3.
The invention solves the problems of the prior art that the SR4.8 sphere at the end part of the part and a cylindrical surface with the diameter of 10.5mm and the length of 32mm are complex in clamping, only can be produced by one piece, cannot be operated in batches, and has high manufacturing cost, uncontrollable part distortion, very high part rejection rate and the like. The invention can prevent distortion and deformation in the part processing process, has simple clamping, can realize batch production and reduces the production cost. Meanwhile, the invention is also suitable for processing and preparing other slender parts.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (3)
1. A processing lathe for making anti vibration strip, includes lathe bed and locates the lathe spindle on the lathe bed, characterized by, still includes:
the three-jaw chuck is arranged at the front end of the lathe spindle, and is provided with an adjusting sleeve and a pressing plate for fixing the vibration-resistant strip;
the support sleeve is arranged at the rear end of the lathe spindle and used for fixing the anti-vibration strip, the support sleeve is provided with a fixing and limiting component used for adjusting the anti-vibration strip,
the adjusting sleeve is sleeved on the anti-vibration strip, the three-jaw chuck clamps the adjusting sleeve,
the support sleeve is in left-handed threaded connection with the rear end of the lathe spindle, the fixed limiting component is in M16 threaded connection with the support sleeve, looseness in the machining process is prevented, and distortion of the vibration-resistant strip parts is prevented;
the support sleeve is also provided with a nylon fixing sleeve which is contacted with the anti-vibration strip to fix the anti-vibration strip and prevent the surface of the anti-vibration strip from being scratched during the clamping process,
the fixed limiting component comprises a limiting rod, a limiting block and two spherical hexagonal nuts, wherein one end of the limiting rod is in M16 threaded connection with the supporting sleeve, the limiting block and the two spherical hexagonal nuts are sleeved on the limiting rod, the limiting block is located between the two spherical hexagonal nuts, the position of the limiting block is changed by adjusting the two spherical hexagonal nuts, and the position of the limiting block is fixed after the first part of the anti-vibration strip part is clamped.
2. A machine tool for manufacturing vibration-resistant bars as claimed in claim 1, wherein the pressure plate is attached to the adjustment sleeve by socket head cap screws.
3. A machine tool for manufacturing vibration-resistant bars as claimed in claim 1, wherein the lathe body is further provided with a tool rest and a lathe tailstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177821.2A CN107791070B (en) | 2017-11-23 | 2017-11-23 | A processing lathe for making anti vibration strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177821.2A CN107791070B (en) | 2017-11-23 | 2017-11-23 | A processing lathe for making anti vibration strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107791070A CN107791070A (en) | 2018-03-13 |
| CN107791070B true CN107791070B (en) | 2024-03-19 |
Family
ID=61536359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711177821.2A Active CN107791070B (en) | 2017-11-23 | 2017-11-23 | A processing lathe for making anti vibration strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107791070B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581666A (en) * | 2011-12-26 | 2012-07-18 | 东莞新能德科技有限公司 | Welding pin quick-repairing chuck and repairing method of welding pin |
| CN204209153U (en) * | 2014-10-22 | 2015-03-18 | 重庆荆江汽车半轴有限公司 | A kind of semiaxis fixture |
| CN104827055A (en) * | 2015-05-05 | 2015-08-12 | 何小平 | Self-lubricating shaft machining lathe |
| CN106583778A (en) * | 2016-10-20 | 2017-04-26 | 中核(天津)科技发展有限公司 | Machining auxiliary device for turning of elongated shaft |
| CN206492950U (en) * | 2017-02-20 | 2017-09-15 | 永安市金声机械有限公司 | A kind of bent neck clamping tooling of scroll compression machine crankshaft |
| CN207480173U (en) * | 2017-11-23 | 2018-06-12 | 上海瑞纽机械股份有限公司 | A kind of lathe for machining for being used to manufacture anti-vibration bar |
-
2017
- 2017-11-23 CN CN201711177821.2A patent/CN107791070B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581666A (en) * | 2011-12-26 | 2012-07-18 | 东莞新能德科技有限公司 | Welding pin quick-repairing chuck and repairing method of welding pin |
| CN204209153U (en) * | 2014-10-22 | 2015-03-18 | 重庆荆江汽车半轴有限公司 | A kind of semiaxis fixture |
| CN104827055A (en) * | 2015-05-05 | 2015-08-12 | 何小平 | Self-lubricating shaft machining lathe |
| CN106583778A (en) * | 2016-10-20 | 2017-04-26 | 中核(天津)科技发展有限公司 | Machining auxiliary device for turning of elongated shaft |
| CN206492950U (en) * | 2017-02-20 | 2017-09-15 | 永安市金声机械有限公司 | A kind of bent neck clamping tooling of scroll compression machine crankshaft |
| CN207480173U (en) * | 2017-11-23 | 2018-06-12 | 上海瑞纽机械股份有限公司 | A kind of lathe for machining for being used to manufacture anti-vibration bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107791070A (en) | 2018-03-13 |
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