CN112247636A - Positioning and clamping tool for shell parts - Google Patents
Positioning and clamping tool for shell parts Download PDFInfo
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- CN112247636A CN112247636A CN202011102740.8A CN202011102740A CN112247636A CN 112247636 A CN112247636 A CN 112247636A CN 202011102740 A CN202011102740 A CN 202011102740A CN 112247636 A CN112247636 A CN 112247636A
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- China
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- positioning
- base
- tool
- hole
- gland
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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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention relates to a positioning and clamping tool for a shell part, which aims to solve the problem that the dimensional accuracy and form and position tolerance are difficult to guarantee in the processing of the existing shell part and comprises a connecting screw, a tool base, a positioning pin assembly, a tool gland, a stud and a plurality of nuts; the lower terminal surface processing of frock gland has the arch, the equipartition processing has a plurality of through-holes on the frock gland, the fixture base is the plate body that up end and lower terminal surface are parallel, fixture base's up end processing is fluted, the part sets up on fixture base, the bellied setting in fixture base up end in part bottom is in the recess, part and fixture base pass through locating pin subassembly location, the vertical threaded connection of every screw hole of fixture base has a stud, the connecting screw cartridge is in fixture base's through-hole, fixture base passes through connecting screw and installs on three-jaw chuck ring flange screw hole and press from both sides tightly through the three-jaw chuck. The invention is used in the field of machining.
Description
Technical Field
The invention relates to a positioning and clamping tool, in particular to a positioning and clamping tool for a shell part, which is used for workpiece processing and belongs to the field of machining.
Background
The execution cabin shell part belongs to a thin-wall shell part, the shape and the structure of the execution cabin shell part are usually complex, most of the execution cabin shell part is made of aluminum alloy, the processing deformation is large, and the requirements on the dimensional accuracy and the form and position tolerance are strict. If the shell part is milled, the part needs to be clamped and aligned; if the size precision, form and position tolerance and machining efficiency of the part are to be ensured, the clamping is convenient, stable and reliable. Because most of the shell parts are aluminum alloy thin-wall parts, the shell parts have large machining deformation, so that the shell parts cannot be machined and formed at one time, need to be separated by rough machining and finish machining, and also need to be clamped and aligned for many times, so that the machining deformation is controlled, and the dimensional accuracy and form and position tolerance of the parts can be ensured. Until now, the size precision and form and position tolerance of the part can not be guaranteed through a universal tool clamp.
Disclosure of Invention
The invention aims to solve the problem that the dimensional accuracy and form and position tolerance are difficult to guarantee in the existing shell part machining process, and further provides a positioning and clamping tool for shell parts.
The technical scheme adopted by the invention for solving the problems is as follows:
the tool comprises a connecting screw, a tool base, a locating pin assembly, a tool gland, a plurality of double-end studs and a plurality of nuts; the tool gland is a plate body with the upper end surface and the lower end surface parallel, the lower end surface of the tool gland is processed with a bulge, a plurality of through holes are uniformly distributed and processed on the tool gland, the tool base is a plate body with the upper end surface and the lower end surface parallel, the upper end surface of the tool base is processed with a groove, the groove bottom of the groove on the upper end surface of the tool base is processed with a through hole and a plurality of threaded holes, the side wall of the groove on the upper end surface of the tool base is processed with a blind hole, a positioning pin component is arranged in the blind hole of the tool base, the outer side of the tool base is provided with a bulge, a part is arranged on the tool base, the bottom end of the part is convexly arranged in the groove on the upper end surface of the tool base, a positioning pin mounting hole is processed at the position corresponding to the blind hole of the tool base at the bottom end of the part, the part and the tool base, each threaded hole of the tool base corresponds to one through hole in the tool gland, the connecting screw is inserted into the through hole of the tool base, and the tool base is installed on the threaded hole of the flange plate of the three-jaw chuck through the connecting screw and is clamped tightly through the three-jaw chuck.
The invention has the beneficial effects that:
1. the clamping device has the advantages of being fast and convenient to clamp and stable in clamping, and being capable of relying on the tool to achieve fast, accurate and reliable positioning of parts.
2. The positioning clamping tool can conveniently and freely clamp the shell part on the milling tool, can ensure stable and reliable clamping and uniform and moderate clamping force, and can furthest reduce the deformation influence of the clamping force on the part, thereby improving the size precision and the form and position tolerance of the part, effectively reducing the rejection rate, furthest reducing the waste economic loss of the part and enabling the product to be delivered according to the schedule with quality and quantity guarantee.
3. The tool has a simple structure and is convenient to operate, and because the tool has an automatic pin hole positioning function, when a shell part is clamped in a milling tool, only the first positioning pin 3 with the diameter of 5mm needs to be inserted into the positioning pin mounting hole of the part 6 and the blind hole at the top end of the tool base 2 during rough machining, and only the second positioning pin 4 with the diameter of 6mm needs to be inserted into the positioning pin mounting hole of the part 6 and the blind hole at the top end of the tool base 2 during finish machining, so that the complete accurate positioning of the part can be realized, an operator does not need to align each part, the labor intensity of workers is reduced, and the machining efficiency is improved.
Drawings
Fig. 1 is a front view of the overall structure with the part 6 installed in the present application.
Fig. 2 is a front view of the part 6.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a bottom view of fig. 2.
Fig. 5 is a front sectional view of the tool base 2.
Fig. 6 is a plan view of the tool base 2.
Fig. 7 is a schematic view of the tool base 2.
Fig. 8 is a plan view of the tool gland 7.
Fig. 9 is a front view of the tool cover 7.
Fig. 10 is a front view of the first positioning pin 3.
Fig. 11 is a front view of the second positioning pin 4.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 11, and the positioning and clamping tool for a shell part in the embodiment includes a connecting screw 1, a tool base 2, a positioning pin assembly, a tool gland 7, a plurality of studs 5 and a plurality of nuts 8; the tool gland 7 is a plate body with the upper end surface and the lower end surface parallel, the lower end surface of the tool gland 7 is processed with a bulge, a plurality of through holes are uniformly distributed and processed on the tool gland 7, the tool base 2 is a plate body with the upper end surface and the lower end surface parallel, the upper end surface of the tool base 2 is processed with a groove, the groove bottom of the groove on the upper end surface of the tool base 2 is processed with a through hole and a plurality of threaded holes, the side wall of the groove on the upper end surface of the tool base 2 is processed with a blind hole, a positioning pin component is arranged in the blind hole of the tool base 2, the outer side of the tool base 2 is provided with a bulge, a part 6 is arranged on the tool base 2, the bottom of the part 6 is convexly arranged in the groove on the upper end surface of the tool base 2, a positioning pin mounting hole is processed at the position corresponding to the blind hole of the tool base 2 at the, and the top end of each stud 5 passes through a through hole of the tool gland 7 and is in threaded connection with the nut 8, each threaded hole of the tool base 2 corresponds to one through hole in the tool gland 7, the connecting screw 1 is inserted into the through hole of the tool base 2, and the tool base 2 is installed on the threaded hole of the flange plate of the three-jaw chuck through the connecting screw 1 and is clamped through the three-jaw chuck.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 7, and a positioning and clamping tool for a shell part, wherein a cooling joint 2 includes a connecting plate and a cooling liquid connecting end, a protrusion on a lower end face of a tool gland 7 is correspondingly matched with a top end hole of a part 6, a groove of a tool base 2 is correspondingly matched with a protrusion on a lower end of the part 6, so as to ensure the accuracy of clamping and positioning the part 6 by the positioning and clamping tool, and the rest is the same as the specific embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 and 10, a positioning and clamping tool for a shell part, a positioning pin assembly comprises two first positioning pins 3, the diameter of each first positioning pin 3 is 5mm, a positioning pin mounting hole at the bottom end of a part 6 and a blind hole at the top end of a tool base 2 are positioned through the first positioning pins 3, the first positioning pins 3 are only required to be inserted into positioning pin holes for mounting the first positioning pins 3 at the bottom end of the part 6 and blind holes for inserting the first positioning pins 3 at the top end of the tool base 2 during rough machining, and the rest is the same as that of the first embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 and fig. 11, in a positioning and clamping tool for a housing part, two second positioning pins 4 are provided as positioning pin assemblies, the diameter of the large end of each second positioning pin 4 is 6mm, the large end of each second positioning pin 4 is installed in a positioning pin installation hole with the diameter of 6mm at the bottom end of the part 6, and the positioning pin installation hole at the bottom end of the part 6 and a blind hole at the top end of the tool base 2 are positioned by the second positioning pin 4. During finish machining, the second positioning pin 4 is only required to be inserted into the positioning pin hole formed in the bottom end of the part 6 and provided with the second positioning pin 4 and the blind hole formed in the top end of the tooling base 2 and inserted with the second positioning pin 4, so that the parts are completely and accurately positioned, an operator is not required to align each part, the labor intensity of workers is reduced, and the machining efficiency is improved. The rest is the same as the first embodiment.
The fifth concrete implementation mode: in the embodiment, the positioning and clamping tool for the shell part is described with reference to fig. 1, a cylinder is arranged below an outer protrusion of a tool base 2, the cylinder is clamped by a three-jaw chuck, the axis of a connecting screw 1 is overlapped with the axis of the cylinder, and the rest is the same as that of the first embodiment.
The sixth specific implementation mode: the embodiment will be described with reference to fig. 1, and a positioning and clamping tool for a shell part is provided, in which the lower end of a part 6 is aligned with the top end of a tool base 2, and the rest is the same as the first embodiment.
Principle of operation
A connecting screw 1 in the shell part positioning and clamping tool is used for connecting and clamping a tool base 2 and a three-jaw chuck with a flange plate; the fixture base 2 in the shell part positioning and clamping fixture is used for installing and aligning the positioning and clamping fixture and supporting and positioning the machined part; a first positioning pin 3 in the shell part positioning and clamping tool is used for positioning during rough machining of the shell part; a second positioning pin 4 in the shell part positioning and clamping tool is used for positioning during fine machining of the shell part; the double-end stud 5, the tool gland 7, the nut 8 and the tool base 2 in the shell part positioning and clamping tool are used for clamping a machined part.
Claims (6)
1. The utility model provides a location clamping frock of casing part which characterized in that: the tool comprises a connecting screw (1), a tool base (2), a locating pin assembly, a tool gland (7), a plurality of double-end studs (5) and a plurality of nuts (8); the tooling gland (7) is a plate body with the upper end surface parallel to the lower end surface, a bulge is processed on the lower end surface of the tooling gland (7), a plurality of through holes are uniformly distributed and processed on the tooling gland (7), the tooling base (2) is a plate body with the upper end surface parallel to the lower end surface, a groove is processed on the upper end surface of the tooling base (2), a through hole and a plurality of threaded holes are processed on the groove bottom of the groove on the upper end surface of the tooling base (2), a blind hole is processed on the side wall of the groove on the upper end surface of the tooling base (2), a positioning pin component is arranged in the blind hole of the tooling base (2), a bulge is arranged on the outer side of the tooling base (2), a part (6) is arranged on the tooling base (2), the bulge at the bottom end of the part (6) is arranged in the groove on the upper end surface of the tooling base (2), a positioning pin mounting hole is processed at the position, corresponding to the bottom end of the tooling base (, the vertical threaded connection of every screw hole of frock base (2) has a stud (5), and the top of every stud (5) pass a through-hole of frock gland (7) and with nut (8) threaded connection, every screw hole of frock base (2) corresponds the setting with a through-hole on frock gland (7), connecting screw (1) cartridge is in the through-hole of frock base (2), frock base (2) are installed on three-jaw chuck ring flange screw hole and are pressed from both sides tightly through three-jaw chuck through connecting screw (1).
2. The positioning and clamping tool for the shell parts as claimed in claim 1, wherein the positioning and clamping tool comprises: the lower end face of the tool gland (7) is protruded to be matched with the top end hole of the part (6), and the groove of the tool base (2) is matched with the lower end protruding appearance of the part (6).
3. The positioning and clamping tool for the shell parts as claimed in claim 1, wherein the positioning and clamping tool comprises: the locating pin assembly is two first locating pins (3), the diameter of the first locating pin (3) is 5mm, and a locating pin mounting hole at the bottom end of a part (6) and a blind hole at the top end of the tooling base (2) are located through the first locating pin (3).
4. The positioning and clamping tool for the shell parts as claimed in claim 1, wherein the positioning and clamping tool comprises: the locating pin assembly is two second locating pins (4), the diameter of the second locating pin (4) is 6mm, and a locating pin mounting hole at the bottom end of the part (6) and a blind hole at the top end of the tooling base (2) are located through the second locating pin (4).
5. The positioning and clamping tool for the shell parts as claimed in claim 1, wherein the positioning and clamping tool comprises: the lower protruding part of the outer side of the tooling base (2) is a cylinder, the cylinder is clamped tightly through a three-jaw chuck, and the axis of the connecting screw (1) is overlapped with the axis of the cylinder.
6. The positioning and clamping tool for the shell parts as claimed in claim 1, wherein the positioning and clamping tool comprises: the appearance of the lower end of the part (6) is aligned with the appearance of the top end of the tool base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102740.8A CN112247636A (en) | 2020-10-15 | 2020-10-15 | Positioning and clamping tool for shell parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102740.8A CN112247636A (en) | 2020-10-15 | 2020-10-15 | Positioning and clamping tool for shell parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112247636A true CN112247636A (en) | 2021-01-22 |
Family
ID=74242470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011102740.8A Pending CN112247636A (en) | 2020-10-15 | 2020-10-15 | Positioning and clamping tool for shell parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112247636A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120133103A1 (en) * | 2009-02-20 | 2012-05-31 | Rolls-Royce Plc | Fixture for securing a thin-walled component |
| CN202742091U (en) * | 2012-07-24 | 2013-02-20 | 湖北三江航天万山特种车辆有限公司 | Positioning device applied to shell body |
| CN203712368U (en) * | 2013-12-10 | 2014-07-16 | 贵阳航空电机有限公司 | Sheet-type component inner hole turning clamp |
| CN204913412U (en) * | 2015-06-09 | 2015-12-30 | 江西铜业股份有限公司 | Spacing profiling of ejector pin formula for lathe |
| CN205111340U (en) * | 2015-11-20 | 2016-03-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Cantilever type thin wall machine casket clamping device |
| CN205129462U (en) * | 2015-12-04 | 2016-04-06 | 哈尔滨汽轮机厂有限责任公司 | Fire 3rd grade of alloy rim plate machining tool in press group |
| CN205816854U (en) * | 2016-06-03 | 2016-12-21 | 湖北文理学院 | Swollen fixture in a kind of hydraulic pressure |
| CN107234464A (en) * | 2017-07-31 | 2017-10-10 | 江南工业集团有限公司 | Shape locating and machining clamping device in a kind of thin_wall cylinder part is complicated |
-
2020
- 2020-10-15 CN CN202011102740.8A patent/CN112247636A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120133103A1 (en) * | 2009-02-20 | 2012-05-31 | Rolls-Royce Plc | Fixture for securing a thin-walled component |
| CN202742091U (en) * | 2012-07-24 | 2013-02-20 | 湖北三江航天万山特种车辆有限公司 | Positioning device applied to shell body |
| CN203712368U (en) * | 2013-12-10 | 2014-07-16 | 贵阳航空电机有限公司 | Sheet-type component inner hole turning clamp |
| CN204913412U (en) * | 2015-06-09 | 2015-12-30 | 江西铜业股份有限公司 | Spacing profiling of ejector pin formula for lathe |
| CN205111340U (en) * | 2015-11-20 | 2016-03-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Cantilever type thin wall machine casket clamping device |
| CN205129462U (en) * | 2015-12-04 | 2016-04-06 | 哈尔滨汽轮机厂有限责任公司 | Fire 3rd grade of alloy rim plate machining tool in press group |
| CN205816854U (en) * | 2016-06-03 | 2016-12-21 | 湖北文理学院 | Swollen fixture in a kind of hydraulic pressure |
| CN107234464A (en) * | 2017-07-31 | 2017-10-10 | 江南工业集团有限公司 | Shape locating and machining clamping device in a kind of thin_wall cylinder part is complicated |
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Application publication date: 20210122 |
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| WD01 | Invention patent application deemed withdrawn after publication |