CN111001997A - Shell machining process - Google Patents
Shell machining process Download PDFInfo
- Publication number
- CN111001997A CN111001997A CN201911384216.1A CN201911384216A CN111001997A CN 111001997 A CN111001997 A CN 111001997A CN 201911384216 A CN201911384216 A CN 201911384216A CN 111001997 A CN111001997 A CN 111001997A
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- CN
- China
- Prior art keywords
- blank
- face
- rear end
- positioning
- auxiliary pressing
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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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- 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
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- 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 invention discloses a shell processing technology, which comprises the following steps: the method comprises the following steps: casting a blank, wherein the blank is provided with an auxiliary pressing boss, the clamp clamps the blank on the clamp through the auxiliary pressing boss, and the rear end face of the blank is roughly milled; step two: positioning and processing the front end face by adopting the rear end face and at least two rear end positioning holes on the rear end face; step three: milling the back surface of the ear on the side surface of the blank by adopting the positioning in the step two; step four: positioning by adopting a front end face and at least two front end positioning holes on the front end face, finish milling a rear end face and boring a central hole on the front end face; step five: milling the first side surface and a threaded hole in the second side surface by adopting the positioning in the fourth step; the machining of the second step and the third step can be carried out by one-time clamping, and the machining of the fourth step and the machining of the fifth step can be carried out after the blank is detached and clamped again after the third step is machined, so that the times of clamping the blank are effectively reduced, and the precision and the machining efficiency are improved.
Description
Technical Field
The invention relates to a shell processing technology.
Background
When the shell shown in fig. 1 is machined in the prior art, the shell is provided with a front end surface, a rear end surface and a side surface, and the front end surface, the rear end surface and the side surface are required to be machined.
Disclosure of Invention
In order to make up for the defects, the invention provides the shell machining process which can effectively ensure the machining precision and efficiency.
The technical scheme of the invention is as follows: a shell processing technology comprises the following steps:
the method comprises the following steps: casting a blank, wherein the blank is provided with an auxiliary pressing boss, the auxiliary pressing boss is arranged on the side surface between the front end surface and the rear end surface of the blank, the clamp clamps the blank on the clamp through the auxiliary pressing boss, and the rear end surface of the blank is roughly milled;
step two: positioning and processing the front end face by adopting the rear end face and at least two rear end positioning holes on the rear end face;
step three: positioning by adopting the rear end face in the step two and at least two rear end positioning holes on the rear end face, and milling the rear surface of the ear on the side surface of the blank;
step four: positioning by adopting a front end face and at least two front end positioning holes on the front end face, finish milling a rear end face and boring a central hole on the front end face;
step five: and positioning by adopting the front end face in the fourth step and at least two front end positioning holes on the front end face, milling the first side surface, and processing a threaded hole on the second side surface.
As a preferable technical scheme, the fifth step further comprises chamfering, and a chamfering tool adopted for chamfering is mounted on the spring tool bar.
As an optimized technical scheme, the number of the auxiliary pressing bosses on the blank is four, two of the four auxiliary pressing bosses are located on the left side surface of the blank, two auxiliary pressing bosses are located on the right side surface of the blank, and the auxiliary pressing bosses on the two sides of the blank are arranged in a bilateral symmetry mode.
As a preferred technical scheme, when the first step of processing is carried out, the blank is clamped on a clamp, the clamp comprises a bottom plate, a support column is arranged on the bottom plate, the support column is supported on an auxiliary pressing boss, and a hydraulic side top which is propped against the auxiliary pressing boss in the left-right direction is further arranged on the bottom plate.
As a preferred technical scheme, two pairs of front end faces are subjected to rough and fine turning.
Due to the adoption of the technical scheme, the shell processing technology comprises the following steps: the method comprises the following steps: casting a blank, wherein the blank is provided with an auxiliary pressing boss, the auxiliary pressing boss is arranged on the side surface between the front end surface and the rear end surface of the blank, the clamp clamps the blank on the clamp through the auxiliary pressing boss, and the rear end surface of the blank is roughly milled; step two: positioning and processing the front end face by adopting the rear end face and at least two rear end positioning holes on the rear end face; step three: positioning by adopting the rear end face in the step two and at least two rear end positioning holes on the rear end face, and milling the rear surface of the ear on the side surface of the blank; step four: positioning by adopting a front end face and at least two front end positioning holes on the front end face, finish milling a rear end face and boring a central hole on the front end face; step five: positioning by adopting the front end face in the fourth step and at least two front end positioning holes on the front end face, milling a first side surface, and processing a threaded hole on a second side surface; the auxiliary compression boss improves the clamping and positioning accuracy, the machining of the second step and the machining of the third step can be carried out by one-time clamping, the blank is detached after the third step is machined and then clamped again, the machining of the fourth step and the machining of the fifth step can be carried out, the number of times of clamping the blank is effectively reduced, and the accuracy and the machining efficiency are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a finished housing according to an embodiment of the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
fig. 5 is a schematic view of the arrangement position of the auxiliary pressing boss in the embodiment of the invention.
Detailed Description
As shown in fig. 1 and 2, a shell processing technology includes the following steps:
the method comprises the following steps: casting a blank, as shown in fig. 1-5, wherein the blank 1 is provided with an auxiliary pressing boss 2, the auxiliary pressing boss is arranged on the side surface between the front end surface and the rear end surface of the blank, a clamp clamps the blank on the clamp through the auxiliary pressing boss, and the rear end surface 3 of the blank 1 is roughly milled;
step two: positioning and processing a front end face 6 by adopting a rear end face 3 and at least two rear end positioning holes 4 on the rear end face;
step three: positioning by adopting the rear end face in the step two and at least two rear end positioning holes 4 on the rear end face, and milling the rear surface of the ear 5 on the side surface of the blank;
step four: positioning by adopting a front end face 6 and at least two front end positioning holes 10 on the front end face, finish milling a rear end face 3 and boring a central hole 7 on the front end face;
step five: and adopting the front end surface 6 in the fourth step and at least two front end positioning holes 10 on the front end surface for positioning, milling the first side surface 8, and processing the threaded hole 9 on the second side surface 11.
The auxiliary compression boss improves the clamping and positioning accuracy, the machining of the second step and the machining of the third step can be carried out by one-time clamping, the blank is detached after the third step is machined and then clamped again, the machining of the fourth step and the machining of the fifth step can be carried out, the number of times of clamping the blank is effectively reduced, and the accuracy and the machining efficiency are improved.
The auxiliary compression boss 2 improves the clamping and positioning precision, the processing of the second step and the processing of the third step can be carried out by one-time clamping, the blank is detached after the third step is processed and then the processing of the fourth step and the processing of the fifth step can be carried out after the blank is clamped again, the number of times of blank clamping is effectively reduced, and the precision and the processing efficiency are improved.
And step five, chamfering processing is further included, a chamfering tool adopted in the chamfering processing is installed on the spring cutter bar, and the spring cutter bar can adopt a finished product in the prior art.
The auxiliary pressing bosses 2 are four on the blank, two of the auxiliary pressing bosses are located on the left side surface of the blank, two of the auxiliary pressing bosses are located on the right side surface of the blank, and the auxiliary pressing bosses on the two sides of the blank are arranged in a bilateral symmetry mode.
As shown in fig. 5, when the first step is performed, the blank is clamped on a fixture, the fixture comprises a bottom plate, a support column 12 is arranged on the bottom plate, the support column is supported on an auxiliary pressing boss 2, and a hydraulic side top 13 which is propped against the auxiliary pressing boss in the left-right direction is further arranged on the bottom plate.
And two pairs of front end faces are subjected to rough and fine turning.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A shell machining process is characterized by comprising the following steps:
the method comprises the following steps: casting a blank, wherein the blank is provided with an auxiliary pressing boss, the auxiliary pressing boss is arranged on the side surface between the front end surface and the rear end surface of the blank, the clamp clamps the blank on the clamp through the auxiliary pressing boss, and the rear end surface of the blank is roughly milled;
step two: positioning and processing the front end face by adopting the rear end face and at least two rear end positioning holes on the rear end face;
step three: positioning by adopting the rear end face in the step two and at least two rear end positioning holes on the rear end face, and milling the rear surface of the ear on the side surface of the blank;
step four: positioning by adopting a front end face and at least two front end positioning holes on the front end face, finish milling a rear end face and boring a central hole on the front end face;
step five: and positioning by adopting the front end face in the fourth step and at least two front end positioning holes on the front end face, milling the first side surface, and processing a threaded hole on the second side surface.
2. The housing processing technique of claim 1, wherein: and fifthly, chamfering processing is further included, and a chamfering tool adopted for chamfering processing is installed on the spring cutter bar.
3. The housing processing technique of claim 1, wherein: the auxiliary pressing bosses on the blank are four, two of the auxiliary pressing bosses are located on the left side surface of the blank, two of the auxiliary pressing bosses are located on the right side surface of the blank, and the auxiliary pressing bosses on the two sides of the blank are arranged in a bilateral symmetry mode.
4. The housing processing technique of claim 1, wherein: when the first step of machining is carried out, the blank is clamped on the clamp, the clamp comprises a bottom plate, support columns are arranged on the bottom plate and supported on auxiliary compression bosses, and hydraulic side jacks which are pushed in the left-right direction on the auxiliary compression bosses are further arranged on the bottom plate.
5. The housing processing technique of claim 1, wherein: and two pairs of front end faces are subjected to rough and fine turning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911384216.1A CN111001997A (en) | 2019-12-28 | 2019-12-28 | Shell machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911384216.1A CN111001997A (en) | 2019-12-28 | 2019-12-28 | Shell machining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111001997A true CN111001997A (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911384216.1A Pending CN111001997A (en) | 2019-12-28 | 2019-12-28 | Shell machining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111001997A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940804A (en) * | 2020-07-09 | 2020-11-17 | 深圳市新地精密技术有限公司 | 5G shell machining method and tool clamp thereof |
| CN112059112A (en) * | 2020-09-23 | 2020-12-11 | 中国船舶重工集团柴油机有限公司 | Process and tool for reducing deformation of annular cast thin-wall part after machining and casting |
| CN113798794A (en) * | 2021-09-24 | 2021-12-17 | 贵州凯星液力传动机械有限公司 | Method for processing oil pump shell |
| CN113941879A (en) * | 2021-11-18 | 2022-01-18 | 航天科工哈尔滨风华有限公司 | Enclosed inner cavity structure shell clamping device and machining method thereof |
Citations (4)
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| DE102010018284B4 (en) * | 2010-04-26 | 2013-05-29 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank, and method and apparatus for machining a turbine blade blank |
| CN103753113A (en) * | 2014-01-21 | 2014-04-30 | 中国重汽集团济南动力有限公司 | Process for machining transition swing arms of steering devices of heavy-duty automobiles |
| CN108035875A (en) * | 2017-12-13 | 2018-05-15 | 陈立国 | A kind of pump Al-alloy casing and its processing method |
| CN110561048A (en) * | 2019-09-17 | 2019-12-13 | 沃热精密机械（上海）有限公司 | auxiliary process-added boss and boss forming process method thereof |
-
2019
- 2019-12-28 CN CN201911384216.1A patent/CN111001997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010018284B4 (en) * | 2010-04-26 | 2013-05-29 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank, and method and apparatus for machining a turbine blade blank |
| CN103753113A (en) * | 2014-01-21 | 2014-04-30 | 中国重汽集团济南动力有限公司 | Process for machining transition swing arms of steering devices of heavy-duty automobiles |
| CN108035875A (en) * | 2017-12-13 | 2018-05-15 | 陈立国 | A kind of pump Al-alloy casing and its processing method |
| CN110561048A (en) * | 2019-09-17 | 2019-12-13 | 沃热精密机械（上海）有限公司 | auxiliary process-added boss and boss forming process method thereof |
Non-Patent Citations (1)
| Title |
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| 顾永生: "《现代轿车先进制造工艺》", 31 October 1998 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940804A (en) * | 2020-07-09 | 2020-11-17 | 深圳市新地精密技术有限公司 | 5G shell machining method and tool clamp thereof |
| CN112059112A (en) * | 2020-09-23 | 2020-12-11 | 中国船舶重工集团柴油机有限公司 | Process and tool for reducing deformation of annular cast thin-wall part after machining and casting |
| CN113798794A (en) * | 2021-09-24 | 2021-12-17 | 贵州凯星液力传动机械有限公司 | Method for processing oil pump shell |
| CN113798794B (en) * | 2021-09-24 | 2023-04-11 | 贵州凯星液力传动机械有限公司 | Method for processing oil pump shell |
| CN113941879A (en) * | 2021-11-18 | 2022-01-18 | 航天科工哈尔滨风华有限公司 | Enclosed inner cavity structure shell clamping device and machining method thereof |
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Application publication date: 20200414 |
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| RJ01 | Rejection of invention patent application after publication |