CN113478257B - Clamp for machining piston pin hole and bolt hole - Google Patents
Clamp for machining piston pin hole and bolt hole Download PDFInfo
- Publication number
- CN113478257B CN113478257B CN202110765442.5A CN202110765442A CN113478257B CN 113478257 B CN113478257 B CN 113478257B CN 202110765442 A CN202110765442 A CN 202110765442A CN 113478257 B CN113478257 B CN 113478257B
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- positioning
- positioning plate
- piston
- plate
- stud
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- 238000003754 machining Methods 0.000 title claims abstract description 18
- 238000007667 floating Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 22
- 238000010276 construction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000003466 welding 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
- B23Q3/02—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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The fixture for machining the piston pin holes and the bolt holes comprises a base and a positioning plate, wherein a vertical plate is vertically arranged on the base, two sides of the positioning plate are rotationally connected with the upper part of the vertical plate, and a piston is positioned and fixed on the positioning plate through a spigot at one time; a positioning long support is arranged on the base and positioned on the same side of the two vertical plates, and one side of the positioning plate is fixedly connected with the upper end of the positioning long support so that the positioning plate is positioned in a horizontal position, thereby being convenient for processing the piston pin holes; the base upper surface is located and is equipped with the locating baffle between two risers, and locating baffle one side is equipped with stud II, and the locating plate is rotatory to vertical state and another side and stud II link firmly with the long back of tearing open of supporting of location, is convenient for to the screw hole processing on the piston. The invention ensures that a spigot is uniformly positioned in the processing of the piston pin hole and the bolt hole, and the processing is finished on the same equipment once, thereby ensuring the perpendicularity requirement of the bolt hole relative to the piston pin hole, realizing the standard uniformity of the whole processing process and improving the processing quality and the processing efficiency.
Description
Technical Field
The invention belongs to the technical field of clamps, and particularly relates to a clamp for machining piston pin holes and bolt holes.
Background
In the structure of the internal combustion engine, the function of the piston is important, so that the requirement of the piston processing technology is high, for example, the perpendicularity requirement of a piston skirt bolt hole on a piston pin hole is high. The existing processing method is as follows: and positioning a piston skirt spigot, processing a piston pin hole in a horizontal processing center, positioning and clamping by using an outer circle at the top end of the piston skirt and the pin hole at the top end, and processing a bolt hole in a vertical processing center. Among the above-mentioned processing scheme, fix a position with different positions when processing piston pin hole and bolt hole, process on different equipment for pinhole and bolt hole course of working benchmark are not unified, and the course of working needs the secondary positioning clamping, thereby leads to this process processing often out of tolerance, can't guarantee the straightness requirement of bolt hole to piston pin hole. And other processes in the semi-finishing and finishing processes of the piston skirt are all positioned by the piston spigot, so that the positioning and clamping lead to non-uniform standard in the whole piston processing process, standard conversion is needed, and the processing quality and the processing efficiency of the piston are affected. There is therefore a need for improvements.
Disclosure of Invention
The invention solves the technical problems that: the invention provides a clamp for processing a piston pin hole and a bolt hole, which can position a spigot of a piston in the pin hole and bolt hole processing process of the piston, can finish one-time processing on the same equipment without repeated disassembly and assembly positioning, ensures the perpendicularity requirement of the bolt hole relative to the pin hole of the piston, realizes the standard unification of the whole processing process, realizes one-time positioning processing of the piston pin hole and the bolt hole, and improves the processing quality and the processing efficiency.
The invention adopts the technical scheme that: the fixture for processing the piston pin holes and the bolt holes comprises a base and a positioning plate, wherein vertical plates are vertically and fixedly arranged in the middle of two sides of the upper surface of the base, two sides of the positioning plate are respectively and rotatably connected with the upper parts of the two vertical plates, and a piston is positioned and fixed on the upper parts of the positioning plate through a spigot at one time; the upper surface of the base is provided with a positioning long support on the same side of the two vertical plates, one side of the positioning plate is fixedly connected with the upper end of the positioning long support through a detachable structure to enable the positioning plate to be fixedly positioned at a horizontal position, and the pin holes on the piston are convenient to process; the base upper surface is located and is equipped with the locating baffle between two risers, locating baffle one side is equipped with stud II, after locating plate and the long support of location are taken apart, the locating plate drives the piston on it and rotates to vertical state and makes locating plate another side and stud II fixed connection and be convenient for process the screw hole on the piston.
Further limiting the technical scheme, bearings are mounted on the upper portions of the two vertical plates, rotating shafts are arranged on two sides of the positioning plate, and the rotating shafts are rotatably supported in the corresponding bearings.
To the further limitation of above-mentioned technical scheme, the long vertical stud I that is equipped with in long support upper end of location, locating plate is equipped with U type groove I on one side, U type groove I card is gone into on the stud I and is realized the fixed to locating plate horizontality through nut fixed connection.
Further limiting the technical scheme, the other side of the positioning plate is provided with a U-shaped groove II, and the U-shaped groove II is clamped on the stud II and is fixedly connected with the stud II through a nut to fix the vertical state of the positioning plate.
Further limiting the technical scheme, the upper surface of the base is provided with a long floating support and a short floating support on the other same side of the two vertical plates, the long floating support is used for supporting the lower part of the other side of the positioning plate when the positioning plate is in a horizontal state, and the short floating support is used for supporting the lower part of the piston when the positioning plate is in a vertical state.
Further limiting the technical scheme, a positioning ring which is matched with the spigot at the lower part of the piston to position the piston is arranged on the upper surface of the positioning plate, and the piston is positioned between the piston and the positioning plate through a positioning pin; the two sides of the upper surface of the positioning plate are vertically provided with stud bolts III, and two ends of the pressing plate are respectively fixedly connected with two upper ends of the stud bolts III through nuts so as to press the piston on the positioning plate.
Further limiting the technical scheme, one side surface of the positioning plate is provided with a drill bushing.
Compared with the prior art, the invention has the advantages that:
1. The fixture manufactured by the scheme ensures that the spigot of the piston is uniformly used for positioning in the processing process of the pin hole and the bolt hole of the piston, and can be processed on the same equipment at one time without repeated disassembly and positioning, so that the perpendicularity requirement of the bolt hole relative to the pin hole of the piston is ensured, the standard unification of the whole processing process is realized, the piston pin hole and the bolt hole are processed by one-time positioning, and the processing quality and the processing efficiency are improved;
2. the clamping and disassembling device is simple in structure, convenient and quick to clamp and disassemble, simple and reliable in positioning, convenient to operate, convenient to process, low in manufacturing cost and wide in application range.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view block diagram of the present invention;
FIG. 3 is a view showing a construction of a piston pin bore in accordance with the present invention;
fig. 4 is a view showing a construction of the present invention in a state of processing a piston bolt hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Referring to fig. 1-4, embodiments of the present invention are described in detail.
The fixture for machining piston pin holes and bolt holes, as shown in fig. 1 and 2, comprises a base 1 and a positioning plate 3.
The vertical welded fastening in middle part in base 1 upper surface both sides is equipped with riser 11, locating plate 3 both sides respectively with two riser 11 upper portions rotation connection. Specifically, the bearings 10 are installed on the upper portions of the two vertical plates 11, the rotating shafts 9 are disposed on two sides of the positioning plate 3, and the rotating shafts 9 are rotatably supported in the corresponding bearings 10, so that the positioning plate 3 can rotate around the rotating shafts 9.
The piston 8 is fixed on the upper part of the positioning plate 3 through the spigot positioning. Specifically, a positioning ring 18 which is matched with a spigot at the lower part of the piston 8 and is used for positioning the piston 8 is arranged on the upper surface of the positioning plate 3, and the piston 8 is positioned between the piston 8 and the positioning plate 3 through a positioning pin 14 so as to prevent the piston 8 from rotating; the positioning plate 3 upper surface both sides are vertical to be equipped with stud III 7, and clamp plate 6 both ends respectively with two stud III 7 upper end compresses tightly piston 8 on positioning plate 3 through nut 4 fixed connection, compresses tightly through clamp plate 6 to realize the complete location of piston 8.
The upper surface of the base 1 is provided with a positioning long support 2 in a welded mode on the same side of the two vertical plates 11, and one side of the positioning plate 3 is fixedly connected with the upper end of the positioning long support 2 through a detachable structure so that the positioning plate 3 is fixedly positioned at a horizontal position and is convenient to process a pin hole on the piston 8. Specifically, the vertical stud I5 that is equipped with in long support 2 upper end of location, 3 one sides of locating plate are equipped with U type groove I19, U type groove I19 card is gone into on stud I5 and is realized the fixed to locating plate 3 horizontality through nut 4 fixed connection.
The upper surface of the base 1 is provided with a positioning baffle 13 in a welding manner between the two vertical plates 11, one side of the positioning baffle 13 is provided with a stud II 12, after the positioning plate 3 is detached from the positioning long support 2, the positioning plate 3 drives the piston 8 on the positioning plate to rotate to a vertical state, and the other side of the positioning plate 3 is fixedly connected with the stud II 12 so as to facilitate machining of a threaded hole on the piston 8. Specifically, the locating plate 3 another side is equipped with U type groove II 20, U type groove II 20 card goes into on the stud II 12 and realizes the fixed to the vertical state of locating plate 3 through nut 4 fixed connection.
The upper surface of the base 1 is provided with a long floating support 17 and a short floating support 16 on the other same side of the two vertical plates 11, the long floating support 17 is used for floating supporting the lower part of the other side of the positioning plate 3 when the positioning plate 3 is in a horizontal state, and the short floating support 16 is used for floating supporting the lower part of the piston 8 when the positioning plate 3 is in a vertical state.
A drill bushing 15 is arranged on one side surface of the positioning plate 3 and used for alignment in the machining process.
And (3) clamping and processing the piston:
1. Pin hole machining
As shown in fig. 3: in the processing process, the positioning plate 3 is fixed on the positioning long support 2, and is tightly pressed by the nuts 4, so that the positioning plate 3 is in a horizontal state. The piston 8 is positioned by the spigot and the positioning ring 18 on the positioning plate 3, is prevented from rotating by the positioning pin 14 and is pressed by the pressing plate 6, so that complete positioning is realized. The long floating support 17 is fixed on the other side of the positioning plate 3 through the base 1 through the threaded holes to support, so that the clamping rigidity and stability are enhanced. After the machining is started, alignment is performed through the positioning pin holes on the positioning plate 3, so that the center position of the pin holes of the piston 8 is determined for machining.
2. Bolt hole machining
As shown in fig. 4: after the pin hole processing of the piston 8 is completed, the nuts 4 for fixing the positioning long support 2 and the positioning plate 3 are disassembled, the threaded connection long floating support 17 is lifted to the lower threaded connection position, the positioning plate 3 is rotated clockwise by 90 degrees through the rotation of the rotating shaft 9 to be in a vertical state, the positioning plate is positioned through the stud II 12 on the positioning baffle 13, the nuts 4 are used for compressing, and the short floating support 16 is fixed on the base 1 through the threaded holes to support the piston 8, so that the clamping rigidity and stability are enhanced. After the machining is started, alignment is performed through the positioning pin holes in the positioning plate 3, so that the center position of the bolt hole is determined for machining.
The fixture ensures that the spigot of the piston is uniformly used for positioning in the processing process of the pin hole and the bolt hole of the piston 8, and can be processed on the same equipment once, so that the perpendicularity requirement of the bolt hole relative to the pin hole of the piston is ensured, the standard unification of the whole processing process is realized, the piston pin hole and the bolt hole are processed by one-time positioning, and the processing quality and the processing efficiency are improved; simple structure, convenient and fast clamping and disassembly, simple and reliable positioning, convenient operation, convenient processing and wide application range.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A anchor clamps for processing piston pin hole and bolt hole, its characterized in that: the positioning device comprises a base (1) and a positioning plate (3), wherein vertical plates (11) are vertically and fixedly arranged in the middle of two sides of the upper surface of the base (1), two sides of the positioning plate (3) are respectively and rotatably connected with the upper parts of the two vertical plates (11), and a piston (8) is fixed on the upper part of the positioning plate (3) through a spigot in one-time positioning; the upper surface of the base (1) is positioned on the same side of the two vertical plates (11) and is provided with a positioning long support (2), one side of the positioning plate (3) is fixedly connected with the upper end of the positioning long support (2) through a detachable structure, so that the positioning plate (3) is fixedly positioned at a horizontal position and is convenient for processing a pin hole on the piston (8); a positioning baffle plate (13) is arranged between the two vertical plates (11) on the upper surface of the base (1), a stud II (12) is arranged on one side of the positioning baffle plate (13), after the positioning plate (3) is detached from the positioning long support (2), the positioning plate (3) drives a piston (8) on the positioning plate to rotate to a vertical state, and the other side of the positioning plate (3) is fixedly connected with the stud II (12) so as to facilitate machining of a threaded hole on the piston (8);
the upper end of the positioning long support (2) is vertically provided with a stud I (5), one side of the positioning plate (3) is provided with a U-shaped groove I (19), and the U-shaped groove I (19) is clamped into the stud I (5) and is fixedly connected through a nut (4) to fix the horizontal state of the positioning plate (3);
The other side of the locating plate (3) is provided with a U-shaped groove II (20), and the U-shaped groove II (20) is clamped into the stud II (12) and is fixedly connected with the stud II through a nut (4) to fix the locating plate (3) in a vertical state.
2. The jig for machining piston pin holes and bolt holes according to claim 1, wherein: the upper parts of the two vertical plates (11) are provided with bearings (10), two sides of the positioning plate (3) are provided with rotating shafts (9), and the rotating shafts (9) are rotatably supported in the corresponding bearings (10).
3. The jig for machining piston pin holes and bolt holes according to claim 1, wherein: the upper surface of the base (1) is provided with a long floating support (17) and a short floating support (16) on the other same side of the two vertical plates (11), the long floating support (17) is used for supporting the lower part of the other side of the positioning plate (3) when the positioning plate is in a horizontal state, and the short floating support (16) is used for supporting the lower part of the piston (8) when the positioning plate (3) is in a vertical state.
4. The jig for machining piston pin holes and bolt holes according to claim 1, wherein: a positioning ring (18) which is matched with the spigot at the lower part of the piston (8) and used for positioning the piston (8) is arranged on the upper surface of the positioning plate (3), and the piston (8) is positioned with the positioning plate (3) through a positioning pin (14); the two sides of the upper surface of the positioning plate (3) are vertically provided with stud bolts III (7), and two ends of the pressing plate (6) are respectively fixedly connected with two upper ends of the stud bolts III (7) through nuts (4) to tightly press the piston (8) on the positioning plate (3).
5. The jig for machining piston pin holes and bolt holes according to claim 1, wherein: a drill bushing (15) is arranged on one side surface of the positioning plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765442.5A CN113478257B (en) | 2021-07-07 | 2021-07-07 | Clamp for machining piston pin hole and bolt hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765442.5A CN113478257B (en) | 2021-07-07 | 2021-07-07 | Clamp for machining piston pin hole and bolt hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113478257A CN113478257A (en) | 2021-10-08 |
| CN113478257B true CN113478257B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110765442.5A Active CN113478257B (en) | 2021-07-07 | 2021-07-07 | Clamp for machining piston pin hole and bolt hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113478257B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383487A (en) * | 2022-08-25 | 2022-11-25 | 陕西柴油机重工有限公司 | Integrated device for processing and online detecting special-shaped pin hole of piston |
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| CN206622870U (en) * | 2017-04-13 | 2017-11-10 | 蓝思科技（长沙）有限公司 | A kind of multi-angle rotary fixture |
| WO2018036012A1 (en) * | 2016-08-26 | 2018-03-01 | Ningbo Defeng Power Technology Co., Ltd. | Miter saw and movable barrier positioning mechanism thereof |
| CN109623436A (en) * | 2018-12-25 | 2019-04-16 | 合肥南方汽车零部件有限公司 | A kind of overturning tooling and drilling machine |
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| CN112605920A (en) * | 2020-12-17 | 2021-04-06 | 陕西宝成航空仪表有限责任公司 | Clamp device suitable for three axial vibrations of components and parts |
| CN213258188U (en) * | 2020-07-02 | 2021-05-25 | 贵州黔深科技发展有限公司 | Turnover device for machining |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8480067B2 (en) * | 2009-10-12 | 2013-07-09 | Dennis L Furlow | Adjustable flip stop assembly for positioning a work piece |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203853818U (en) * | 2014-03-20 | 2014-10-01 | 浙江师范大学 | Turning type clamp |
| CN104400708A (en) * | 2014-11-13 | 2015-03-11 | 重庆创鼎金属铸造有限公司 | Small general gasoline engine assembly fixture |
| CN105312605A (en) * | 2015-11-27 | 2016-02-10 | 重庆渝记涵诚机械制造有限公司 | Engine bracket bottom drilling method |
| WO2018036012A1 (en) * | 2016-08-26 | 2018-03-01 | Ningbo Defeng Power Technology Co., Ltd. | Miter saw and movable barrier positioning mechanism thereof |
| CN206622870U (en) * | 2017-04-13 | 2017-11-10 | 蓝思科技（长沙）有限公司 | A kind of multi-angle rotary fixture |
| CN109623436A (en) * | 2018-12-25 | 2019-04-16 | 合肥南方汽车零部件有限公司 | A kind of overturning tooling and drilling machine |
| CN210436105U (en) * | 2019-05-29 | 2020-05-01 | 天津津荣天宇精密机械股份有限公司 | Multidirectional overturning clamping mechanism |
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| CN112605920A (en) * | 2020-12-17 | 2021-04-06 | 陕西宝成航空仪表有限责任公司 | Clamp device suitable for three axial vibrations of components and parts |
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| Publication number | Publication date |
|---|---|
| CN113478257A (en) | 2021-10-08 |
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