CN110091252A - A kind of processing method that mandrel and end caps are used in end caps grinding - Google Patents
A kind of processing method that mandrel and end caps are used in end caps grinding Download PDFInfo
- Publication number
- CN110091252A CN110091252A CN201910379614.8A CN201910379614A CN110091252A CN 110091252 A CN110091252 A CN 110091252A CN 201910379614 A CN201910379614 A CN 201910379614A CN 110091252 A CN110091252 A CN 110091252A
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- China
- Prior art keywords
- cylindrical body
- inner hole
- end caps
- plane
- mandrel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Drilling And Boring (AREA)
Abstract
A kind of processing method that mandrel and end caps are used in end caps grinding, is related to field of machining.The end caps processed by the processing method of turning, outer circle and female coaxial low precision.End caps procedure of processing is as follows: by blank clamping on horizontal lathe, periphery, end face and the inner hole of rough turn three cylindrical bodies, there are the machining allowance of 3mm；Blank is quenched to HRC31-35；The periphery of periphery, end face and the inner hole of three cylindrical bodies of smart car, the second cylindrical body and third cylindrical body is respectively kept with the machining allowance of 0.5-0.6mm, other each face vehicles are quasi-；Mandrel is fixed in the inner hole of blank, using the second cylindrical body of grinding machine fine grinding end caps and the periphery of third cylindrical body, is machined to standard size；The trim line of the first plane and the second plane is marked on the outer end face of the first cylindrical body respectively；The first plane and the second plane are cut into using wire cutting machine tool；Chamfering bit goes out 5 circular holes on the outer end face of the first cylindrical body.The present invention is for processing end caps.
Description
Technical field
The present invention relates to the processing of field of machining more particularly to a kind of end caps grinding mandrel and end caps
Method.
Background technique
End caps are a positioning element, and outer circle and inner hole have coaxial required precision, use the processing of turning in the past
Mode, not only roughness is not ideal enough, but also outer circle and female coaxial precision are poor, uses for this purpose, having developed end caps grinding
Mandrel and its processing method.
Summary of the invention
The technical problem to be solved in the invention is: the end caps processed by the processing method of turning, outer circle and interior
The coaxial precision in hole is poor, and then provides the processing method of a kind of end caps grinding mandrel and end caps.
The present invention to solve above-mentioned technical problem the technical solution adopted is that:
A kind of end caps grinding mandrel includes tight lock part 10-1 and positioning region 10-2, and tight lock part 10-1 setting is positioning
At the front end surface of portion 10-2, the front end of tight lock part 10-1 has external screw thread, and the front end of positioning region 10-2 has circular conical surface.
Further, the taper of the circular conical surface of the front end the positioning region 10-2 is 1:3000.
The end caps are that the cylindrical body successively to be successively decreased by three outer diameters is sequentially connected with, and three cylindrical bodies are coaxial
Integral type setting, three cylindrical bodies are respectively the first cylindrical body 1, the second cylindrical body 2 and third cylindrical body 3,1 end of the first cylindrical body
The middle part in face is equipped with the first inner hole 4, and the middle part of 2 end face of the second cylindrical body is equipped with the second inner hole 5, in 3 end face of third cylindrical body
Portion is equipped with third inner hole 6, internal diameter of the internal diameter less than the second inner hole 5 and third inner hole 6 of the first inner hole 4, the internal diameter of the second inner hole 5
Greater than the internal diameter of third inner hole 6；The first plane 7 and the second plane 8 are respectively equipped on the excircle side wall of first cylindrical body 1, the
One plane 7 intersects setting with the second plane 8；Five circular hole 1-1 are along the circumferential direction laid on the end face of first cylindrical body 1；
The specific procedure of processing of the end caps is as follows:
Step 1 forges blank to be processed；
Step 2, roughing blank: by blank clamping on the fixture of horizontal lathe, by cutter clamping lathe blade row
On, rough turn first cylindrical body 1, the periphery of the second cylindrical body 2 and third cylindrical body 3, end face and the first inner hole 4, the second inner hole 5
With third inner hole 6, there are the machining allowance of 3mm when roughing；
Step 3, heat treatment: blank is quenched to HRC31-35；
Step 4, first finishing stock: using the axis of blank as benchmark centering, the first cylindrical body of smart car 1, second is round respectively
The periphery of cylinder 2 and third cylindrical body 3, end face and the first inner hole 4, the second inner hole 5 and third inner hole 6, wherein the second cylinder
The periphery of body 2 and third cylindrical body 3 is respectively kept with the machining allowance of 0.5-0.6mm, other each faces according to drawing smart car extremely
Standard size；
Step 5, finishing stock: mandrel 10 is from the inner hole of 6 side of third inner hole insertion blank, the positioning region front end 10-2
Circular conical surface be located in third inner hole 6, the end of thread of tight lock part 10-1 stretches out the first inner hole 4, is screwed in by hex nut 9
The end of thread of tight lock part 10-1 simultaneously tightens together end caps and mandrel 10, and mandrel is fixed on to the work of grinding machine together with blank
Make on platform, using the axis of mandrel as benchmark centering, utilizes the second cylindrical body 2 and third cylindrical body 3 of grinding machine fine grinding end caps
Periphery, be machined to standard size；
Pincers worker: step 6 marks the shape of the first plane 7 and the second plane 8 on the outer end face of the first cylindrical body 1 respectively
Line；
Cutting: step 7 end caps is fixedly mounted on wire cutting machine tool, are cut into first using wire cutting machine tool
Plane 7 and the second plane 8；
Step 8, pincers worker: chamfering bit goes out 5 circular hole 1-1 on the outer end face of the first cylindrical body 1, and each circular hole 1-1 sharp edge falls
It is blunt.
Further, the central point of two adjacent circular hole 1-1 respectively between the central point of the first inner hole 4 line folder
Angle a is 60 °.
Further, between 8 trim line of the second plane and diameter where the intersection of the first plane 7 and the second plane 8
Angle b is 55 °.
The beneficial effects of the present invention are:
For the design feature and machining status of end caps component, it is located on inner hole using the dedicated mandrel of development,
Grinding outer circle is carried out, the machining accuracy of inner hole outer circularity is improved, so that the inner hole and outer circles of end caps reach 0.01mm.
Detailed description of the invention
Fig. 1 is the cross-sectional view of end caps；
Fig. 2 is the main view of end caps；
Fig. 3 is the structural schematic diagram that mandrel is inserted into end caps；
Fig. 4 is the structural schematic diagram of mandrel.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments:
Specific embodiment 1: as shown in figure 4, a kind of mandrel of end caps grinding described in present embodiment includes lock
Tight portion 10-1 and positioning region 10-2, tight lock part 10-1 are arranged at the front end surface of positioning region 10-2, the front end of tight lock part 10-1
With external screw thread, the front end of positioning region 10-2 has circular conical surface.
Specific embodiment 2: the taper of the circular conical surface of the front end positioning region 10-2 described in present embodiment is 1:3000.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 3: as shown in Figure 1 to Figure 3, end caps described in present embodiment be by three outer diameters according to
The secondary cylindrical body to successively decrease is sequentially connected with, and three cylindrical body coaxial integrated settings, three cylindrical bodies are respectively the first cylinder
Body 1, the second cylindrical body 2 and third cylindrical body 3, wherein the outer diameter of the first cylindrical body 1 is 110mm, the outer diameter of the second cylindrical body 2 is
70mm, the outer diameter of third cylindrical body 3 are 50mm, and the middle part of 1 end face of the first cylindrical body is equipped with the first inner hole 4, the hole of the first inner hole 4
Diameter is 15mm, and the middle part of 2 end face of the second cylindrical body is equipped with the second inner hole 5, and the aperture of the second inner hole 5 is 25mm, third cylindrical body 3
The middle part of end face is equipped with third inner hole 6, and the aperture of third inner hole 6 is 22mm, and the internal diameter of the first inner hole 4 is less than 5 He of the second inner hole
The internal diameter of third inner hole 6, the internal diameter of the second inner hole 5 are greater than the internal diameter of third inner hole 6；On the excircle side wall of first cylindrical body 1
The first plane 7 and the second plane 8 is respectively cut, the first plane 7 intersects setting with the second plane 8；The end face of first cylindrical body 1
On be along the circumferential direction laid with five circular hole 1-1, the aperture of circular hole is 11mm；
The specific procedure of processing of the end caps is as follows:
Step 1 forges blank to be processed；
Step 2, roughing blank: by blank clamping on the fixture of horizontal lathe, by cutter clamping lathe blade row
On, rough turn first cylindrical body 1, the periphery of the second cylindrical body 2 and third cylindrical body 3, end face and the first inner hole 4, the second inner hole 5
With third inner hole 6, there are the machining allowance of 3mm when roughing；
Step 3, heat treatment: blank is quenched to HRC31-35；
Step 4, first finishing stock: using the axis of blank as benchmark centering, the first cylindrical body of smart car 1, second is round respectively
The periphery of cylinder 2 and third cylindrical body 3, end face and the first inner hole 4, the second inner hole 5 and third inner hole 6, wherein the second cylinder
The periphery of body 2 and third cylindrical body 3 is respectively kept with the machining allowance of 0.5-0.6mm, other each faces according to drawing smart car extremely
Standard size；
Step 5, finishing stock: mandrel 10 is from the inner hole of 6 side of third inner hole insertion blank, the positioning region front end 10-2
Circular conical surface be located in third inner hole 6, the end of thread of tight lock part 10-1 stretches out the first inner hole 4, is screwed in by hex nut 9
The end of thread of tight lock part 10-1 simultaneously tightens together end caps and mandrel 10, and mandrel is fixed on to the work of grinding machine together with blank
Make on platform, using the axis of mandrel as benchmark centering, utilizes the second cylindrical body 2 and third cylindrical body 3 of grinding machine fine grinding end caps
Periphery, be machined to standard size；
Pincers worker: step 6 marks the shape of the first plane 7 and the second plane 8 on the outer end face of the first cylindrical body 1 respectively
Line, wherein the maximum distance of first the 7 to the first cylindrical body of plane, 1 external peripheral surface is 104mm；
Cutting: step 7 end caps is fixedly mounted on wire cutting machine tool, are cut into first using wire cutting machine tool
Plane 7 and the second plane 8；
Step 8, pincers worker: chamfering bit goes out 5 circular hole 1-1 on the outer end face of the first cylindrical body 1, and each circular hole 1-1 sharp edge falls
It is blunt, print figure number, end caps completion of processing.
Other compositions and connection type are identical with embodiment two.
Specific embodiment 4: as shown in Fig. 2, in present embodiment, the central point of two adjacent circular hole 1-1 respectively with
The angle a of line is 60 ° between the central point of first inner hole 4.
Other compositions and connection type are the same as the specific implementation mode 3.
Specific embodiment 5: as shown in Fig. 2, in present embodiment, 8 trim line of the second plane and the first plane 7 and
The angle b between diameter where the intersection of two planes 8 is 55 °.
Other compositions and connection type are the same as the specific implementation mode 3.
Claims (5)
1. a kind of end caps grinding mandrel, it is characterised in that: it includes tight lock part (10-1) and positioning region (10-2), locking
Portion (10-1) is arranged at the front end surface of positioning region (10-2), and the front end of tight lock part (10-1) has external screw thread, positioning region
The front end of (10-2) has circular conical surface.
2. a kind of end caps grinding mandrel according to claim 1, it is characterised in that: before the positioning region (10-2)
The taper of the circular conical surface at end is 1:3000.
3. the method for processing end caps with mandrel using a kind of end caps grinding as claimed in claim 2,
The end caps are that the cylindrical body successively to be successively decreased by three outer diameters is sequentially connected with, and three cylindrical bodies are coaxially integrated
Formula setting, three cylindrical bodies are respectively the first cylindrical body (1), the second cylindrical body (2) and third cylindrical body (3), the first cylindrical body
(1) middle part of end face is equipped with the first inner hole (4), and the middle part of the second cylindrical body (2) end face is equipped with the second inner hole (5), third cylinder
The middle part of body (3) end face is equipped with third inner hole (6), and the internal diameter of the first inner hole (4) is less than the second inner hole (5) and third inner hole (6)
Internal diameter, the internal diameter of the second inner hole (5) is greater than the internal diameter of third inner hole (6)；On the excircle side wall of first cylindrical body (1) respectively
Equipped with the first plane (7) and the second plane (8), (8 intersect setting to the first plane (7) with the second plane；First cylindrical body (1)
Five circular holes (1-1) are along the circumferential direction laid on end face；
It is characterized by: the specific procedure of processing of the end caps is as follows:
Step 1 forges blank to be processed；
Step 2, roughing blank: by blank clamping on the fixture of horizontal lathe, by cutter clamping on the blade row of lathe,
Rough turn first cylindrical body (1), the periphery of the second cylindrical body (2) and third cylindrical body (3), end face and the first inner hole (4), second
Inner hole (5) and third inner hole (6), there are the machining allowance of 3mm when roughing；
Step 3, heat treatment: blank is quenched to HRC31-35；
Step 4, first finishing stock: using the axis of blank as benchmark centering, difference the first cylindrical body of smart car (1), the second cylinder
The periphery of body (2) and third cylindrical body (3), end face and the first inner hole (4), the second inner hole (5) and third inner hole (6), wherein
The periphery of second cylindrical body (2) and third cylindrical body (3) is respectively kept with the machining allowance of 0.5-0.6mm, other each faces are pressed
According to drawing smart car to standard size；
Step 5, finishing stock: mandrel (10) is from the inner hole of third inner hole (6) side insertion blank, before positioning region (10-2)
The circular conical surface at end is located in third inner hole (6), and the end of thread of tight lock part (10-1) stretches out the first inner hole (4), passes through hexagonal spiral shell
Female (9) are screwed in the end of thread of tight lock part (10-1) and end caps and mandrel (10) tighten together, by mandrel together with base
Material is fixed on the workbench of grinding machine, using the axis of mandrel as benchmark centering, utilizes the second cylinder of grinding machine fine grinding end caps
The periphery of body (2) and third cylindrical body (3), is machined to standard size；
Pincers worker: step 6 marks the outer of the first plane (7) and the second plane (8) on the outer end face of the first cylindrical body (1) respectively
Shape line；
Cutting: step 7 end caps is fixedly mounted on wire cutting machine tool, are cut into the first plane using wire cutting machine tool
(7) and the second plane (8)；
Step 8, pincers worker: chamfering bit goes out 5 circular holes (1-1), each circular hole (1-1) sharp edge on the outer end face of the first cylindrical body (1)
It is blunt.
4. the method that a kind of end caps grinding according to claim 3 processes end caps with mandrel, it is characterised in that:
The angle (a) of line is 60 ° to the central point of two adjacent circular holes (1-1) between the central point of the first inner hole (4) respectively.
5. the method that a kind of end caps grinding according to claim 3 processes end caps with mandrel, it is characterised in that:
The angle (b) between diameter where second plane (8) trim line and the intersection of the first plane (7) and the second plane (8) is
55°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379614.8A CN110091252B (en) | 2019-05-08 | 2019-05-08 | Mandrel for grinding end face cover plate and processing method of end face cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379614.8A CN110091252B (en) | 2019-05-08 | 2019-05-08 | Mandrel for grinding end face cover plate and processing method of end face cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110091252A true CN110091252A (en) | 2019-08-06 |
| CN110091252B CN110091252B (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910379614.8A Active CN110091252B (en) | 2019-05-08 | 2019-05-08 | Mandrel for grinding end face cover plate and processing method of end face cover plate |
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| CN (1) | CN110091252B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653873A (en) * | 2019-09-09 | 2020-01-07 | 昆山佳腾光电塑胶有限公司 | Method for machining hexagonal square hole of plastic product by using hexagonal cutter |
| CN111941014A (en) * | 2020-08-21 | 2020-11-17 | 重庆川仪调节阀有限公司 | Machining method of valve seat component |
| CN111975302A (en) * | 2020-08-26 | 2020-11-24 | 重庆川仪调节阀有限公司 | Machining method based on sleeve type valve plug part |
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| SU1115860A1 (en) * | 1980-07-30 | 1984-09-30 | Turkov Sergej V | Method of fitting races |
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| CN203045521U (en) * | 2013-01-10 | 2013-07-10 | 哈尔滨飞机工业集团有限责任公司 | Cylinder part external grinding jig |
| CN103341735A (en) * | 2013-07-09 | 2013-10-09 | 中联重科股份有限公司 | Hollow shaft and manufacturing method thereof |
| CN103600208A (en) * | 2013-11-26 | 2014-02-26 | 靖江市华强重工设备制造有限公司 | Method for machining roll shafts of full-automatic melting-free lead ingot granulators |
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2019
- 2019-05-08 CN CN201910379614.8A patent/CN110091252B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1115860A1 (en) * | 1980-07-30 | 1984-09-30 | Turkov Sergej V | Method of fitting races |
| US20060284383A1 (en) * | 2005-06-20 | 2006-12-21 | Brettell Charles E | Expandable mandrel |
| CN102672425A (en) * | 2012-04-28 | 2012-09-19 | 重庆市江津区宏盛机械制造有限公司 | Processing technology of turntable |
| CN203045521U (en) * | 2013-01-10 | 2013-07-10 | 哈尔滨飞机工业集团有限责任公司 | Cylinder part external grinding jig |
| CN103341735A (en) * | 2013-07-09 | 2013-10-09 | 中联重科股份有限公司 | Hollow shaft and manufacturing method thereof |
| CN103600208A (en) * | 2013-11-26 | 2014-02-26 | 靖江市华强重工设备制造有限公司 | Method for machining roll shafts of full-automatic melting-free lead ingot granulators |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653873A (en) * | 2019-09-09 | 2020-01-07 | 昆山佳腾光电塑胶有限公司 | Method for machining hexagonal square hole of plastic product by using hexagonal cutter |
| CN111941014A (en) * | 2020-08-21 | 2020-11-17 | 重庆川仪调节阀有限公司 | Machining method of valve seat component |
| CN111975302A (en) * | 2020-08-26 | 2020-11-24 | 重庆川仪调节阀有限公司 | Machining method based on sleeve type valve plug part |
| CN111975302B (en) * | 2020-08-26 | 2021-10-26 | 重庆川仪调节阀有限公司 | Machining method based on sleeve type valve plug part |
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| CN110091252B (en) | 2020-12-18 |
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Effective date of registration: 20221214 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |