CN109514314B - Flexible clamp for machining small end inclined plane of engine connecting rod - Google Patents
Flexible clamp for machining small end inclined plane of engine connecting rod Download PDFInfo
- Publication number
- CN109514314B CN109514314B CN201910004342.3A CN201910004342A CN109514314B CN 109514314 B CN109514314 B CN 109514314B CN 201910004342 A CN201910004342 A CN 201910004342A CN 109514314 B CN109514314 B CN 109514314B
- Authority
- CN
- China
- Prior art keywords
- bearing
- clamp
- clamp body
- connecting rod
- small end
- Prior art date
- 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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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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- 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
- B23Q3/04—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 adjustable in inclination
-
- 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
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- 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
Abstract
The invention provides a flexible clamp for machining an inclined plane of a small end of an engine connecting rod, which solves the technical problems that an angle plate needs to be replaced when two inclined planes are machined on two end faces of the small end of the engine connecting rod, the labor intensity is high, and the machining efficiency is low. The clamp is provided with a clamp base, a clamp body is arranged on the clamp base, a movable sub-plate and a big head locating pin are arranged on the clamp body, a small head locating pin and a compression cylinder are arranged on the movable sub-plate, a pressing plate is arranged on the compression cylinder, a fixing nut and a bearing seat are arranged on the clamp base, an adjusting screw is arranged on the fixing nut, a bearing is arranged in the bearing seat, two bearing holes are formed in the clamp body, a bearing is arranged in the bearing holes, the clamp body is connected with the bearing seat on the clamp body base through a rotating shaft, two vertical plates are welded on two sides of the clamp body, and four rotating grooves taking the center of the bearing holes as the center of a circle are respectively formed in the vertical plates on two sides. The invention can be widely applied to the processing and positioning of parts with the processing requirements of inclined planes with various angles.
Description
Technical Field
The invention relates to a flexible clamp, in particular to a flexible clamp for machining an inclined plane of a small end of an engine connecting rod.
Background
Engine connecting rods are known to be an important part in engines, and the engine connecting rods have various structural forms, but most of the engine connecting rods require a structure of machining two inclined planes on two end faces of a small end of each connecting rod. The existing clamp is characterized in that an angle plate with the same angle as the angle of the inclined plane of the small end of the connecting rod to be processed is additionally arranged below the clamp body, so that the connecting rod is inclined at an angle for processing. The inclination angle of the clamp is controlled by the angle of the angle plate below the clamp, and the angle of the clamp is not adjustable because the angle of the angle plate is not adjustable, so the clamp is only applicable to the processing of one connecting rod product. When a plurality of connecting rod products need to be processed, a plurality of sets of clamps are needed to be put into, so that firstly, the input funds are more, and secondly, the clamps need to be disassembled and replaced when the products are replaced for processing, so that the labor intensity is high, and time and labor are wasted.
Disclosure of Invention
The prior art of the invention has the following technical problems: when two inclined planes are machined on two end faces of the small end of the connecting rod of the engine, angle plates with corresponding angles are required to be adopted, when a plurality of connecting rod products are required to be machined, different angle plates are required to be manufactured according to different angles, so that more investment is caused, and clamps are required to be disassembled and replaced when the products are replaced for machining, so that the labor intensity is high and the machining efficiency is low. The flexible fixture for machining the small end inclined plane of the engine connecting rod can be adjusted at any time according to different angle requirements, does not need to be replaced frequently, is low in investment cost, low in labor intensity and high in machining efficiency.
The flexible fixture for machining the small end inclined plane of the engine connecting rod is provided with a fixture base, the fixture base is provided with a fixture body, a movable sub-plate and a big end locating pin are arranged on the fixture body, the small end locating pin and a compression cylinder are arranged on the movable sub-plate, a pressing plate is arranged on the compression cylinder, a fixing nut and a bearing seat are arranged on the fixture base, an adjusting screw is arranged on the fixing nut, a bearing is arranged in the bearing seat, two bearing holes are machined in the fixture body, the bearing is arranged in the bearing holes, the fixture body is connected with the bearing seat on the fixture base through a rotating shaft, two vertical plates are welded on two sides of the fixture body, and four rotating grooves taking the center of the bearing holes as the center of a circle are respectively machined on the vertical plates on two sides.
Preferably, the clamp body is provided with a T-shaped groove, a T-shaped nut is arranged in the T-shaped groove, a bolt is arranged on the movable sub-plate, and the bolt is connected with the T-shaped nut.
Preferably, the bearing end side is provided with a bearing cover, and the lower end of the bearing seat is provided with a bearing seat bracket.
Preferably, the small head positioning pin is provided with a small head cushion block, and the big head positioning pin is provided with a big head cushion block.
Preferably, the clamp body is connected with the clamp base through a locking screw.
The invention has the beneficial effects that:
(1) Because the movable sub-plate is arranged on the clamp body, and the small-head positioning pin is arranged on the movable sub-plate, connecting rod products with different large and small-head hole pitches and different large and small-head apertures can be processed by moving the position of the movable sub-plate and replacing the large-head positioning pin, the small-head positioning pin, the large-head cushion block and the small-head cushion block, so that the universality of the clamp is improved;
(2) Because two vertical plates are welded on two sides of the clamp body, four rotating grooves taking the center of the bearing hole as the center of a circle are respectively formed in the vertical plates on two sides, when the adjusting screw on the fixing nut is rotated, the clamp body rotates by taking the center of the bearing hole as the center of a circle, so that the aim of adjusting the machining angle of a machined workpiece is fulfilled;
(3) Because the locking screws are arranged on the two sides of the vertical plate of the clamp body, after the machining angle is adjusted, the locking screws are fastened to assist in fixing the clamp body;
(4) Because the pressing oil cylinder is arranged, the pressing plate is arranged on the pressing oil cylinder, and after the processing angle of the workpiece is fixed, the pressing plate is driven by the pressing oil cylinder to press the processed workpiece, so that the processed workpiece can be reliably positioned.
Drawings
FIG. 1 is a front view of an assembled structure of an embodiment of the present invention;
FIG. 2 is a left side view of an assembled structure of an embodiment of the present invention;
FIG. 3 is a top view of an assembled structure of an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of an embodiment of the invention;
FIG. 5 is a B-B cross-sectional view of an embodiment of the present invention;
FIG. 6 is a C-C cross-sectional view of an embodiment of the invention;
fig. 7 is a D-D cross-sectional view of an embodiment of the invention.
The symbols in the drawings illustrate:
1. a clamp base; 2. a clamp body; 3. a movable sub-plate; 4. a small-end positioning pin; 5. a compression cylinder; 6. a pressing plate; 7. a big head locating pin; 8. a large head cushion block; 9. a bearing seat; 10. a bearing seat bracket; 11. a rotating shaft; 12. adjusting a screw; 13. a fixing nut; 14. a small head cushion block; 15. a bearing cap; 16. a bearing; 17. a locking screw; 18. a rotary groove; a t-slot; t-nut.
Detailed Description
The invention is further described below with reference to examples.
As shown in fig. 1-7, a flexible fixture for machining a small end inclined plane of an engine connecting rod comprises a fixture base 1 and a fixture body 2, wherein a fixing nut 13 and a bearing seat 9 are arranged on the fixture base 1, an adjusting screw rod 12 is arranged on the fixing nut 13, a bearing 16 is arranged in the bearing seat 9, a bearing cover 15 is arranged on the end side of the bearing 16, and a bearing seat bracket 10 is arranged at the lower end of the bearing seat 9. Two bearing holes are formed in the clamp body 2, two vertical plates are welded on two sides of the clamp body 2, four rotary grooves 18 taking the centers of the bearing holes as circle centers are formed in the vertical plates on two sides respectively, a movable sub-plate 3 and a big head positioning pin 7 are arranged on the clamp body 2, a small head positioning pin 4 and a compression cylinder 5 are arranged on the movable sub-plate 3, a small head cushion block 14 is arranged on the small head positioning pin 4, a pressing plate 6 is arranged on the compression cylinder 5, and a big head cushion block 8 is arranged on the big head positioning pin 7.
The clamp body 2 and the bearing seat 9 on the clamp base 1 are connected through the rotating shaft 11, and the relative rotation of the clamp body 2 and the bearing seat 1 is realized through the bearing 16 on the clamp body 2 and the bearing seat 9, so that the relative rotation of the clamp body 2 and the clamp base 1 is realized.
The T-shaped groove 19 is formed in the clamp body 2, the T-shaped nut 20 is arranged in the T-shaped groove 19, the clamp body 2 is connected with the movable sub-plate 3 through the T-shaped nut 20, and the movable sub-plate 3 can move transversely through loosening the T-shaped nut 20.
When the position of the movable sub-plate 3 is moved and the big head locating pin 7, the small head locating pin 4, the big head cushion block 8 and the small head cushion block 14 are replaced, connecting rod products with different big head hole spacing and different small head hole spacing can be processed, and the universality of the clamp is improved.
When the adjusting screw rod 12 on the fixing nut 13 is rotated, the clamp body 2 rotates by taking the center of the bearing hole as the center of a circle, so that the aim of adjusting the machining angle of the machined workpiece is fulfilled. After the angle adjustment is finished, the locking screws 17 on two sides of the vertical plate of the clamp body 2 are fastened to assist in fixing the clamp body 2, then hydraulic pressure is applied, the pressing oil cylinder 5 drives the pressing plate 6 to press the connecting rod, and then machining can be performed.
However, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention are intended to fall within the scope of the claims.
Claims (3)
1. The flexible clamp for machining the small end inclined plane of the engine connecting rod is provided with a clamp base and is characterized in that a clamp body is arranged on the clamp base, a movable sub-plate and a large end locating pin are arranged on the clamp body, a small end locating pin and a compression cylinder are arranged on the movable sub-plate, a pressing plate is arranged on the compression cylinder, a fixing nut and a bearing seat are arranged on the clamp base, an adjusting screw is assembled on the fixing nut, a bearing is arranged in the bearing seat, two bearing holes are machined in the clamp body, a bearing is arranged in the bearing holes, the clamp body is connected with the bearing seat on the clamp base through a rotating shaft, two vertical plates are welded on two sides of the clamp body, and four rotating grooves taking the center of the bearing hole as the center of a circle are respectively machined on the vertical plates; a T-shaped groove is formed in the clamp body, a T-shaped nut is arranged in the T-shaped groove, a bolt is arranged on the movable daughter board, and the bolt is connected with the T-shaped nut; the clamp body is connected with the clamp base through a locking screw.
2. The flexible fixture for machining an engine connecting rod small end inclined plane according to claim 1, wherein a bearing cover is arranged at the bearing end side, and a bearing seat support is arranged at the lower end of the bearing seat.
3. The flexible fixture for machining an engine connecting rod small end inclined plane according to claim 1, wherein a small end cushion block is arranged on the small end locating pin, and a large end cushion block is arranged on the large end locating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910004342.3A CN109514314B (en) | 2019-01-03 | 2019-01-03 | Flexible clamp for machining small end inclined plane of engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910004342.3A CN109514314B (en) | 2019-01-03 | 2019-01-03 | Flexible clamp for machining small end inclined plane of engine connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109514314A CN109514314A (en) | 2019-03-26 |
| CN109514314B true CN109514314B (en) | 2023-09-19 |
Family
ID=65797652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910004342.3A Active CN109514314B (en) | 2019-01-03 | 2019-01-03 | Flexible clamp for machining small end inclined plane of engine connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109514314B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB587448A (en) * | 1943-11-09 | 1947-04-25 | William Wharton | Improvements relating to the design and construction of jigs and fixtures |
| DE10258143A1 (en) * | 2002-12-04 | 2004-06-24 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Process for honing an inner surface of a bore in a workpiece, especially in a connecting rod, using a honing tool comprises compressing the workpiece in the region of the bore perpendicular to the bore axis to deform the bore cross-section |
| CN201313255Y (en) * | 2008-10-09 | 2009-09-23 | 潍坊潍柴零部件机械有限公司 | Fixture used for processing bevel at small end of connecting rod |
| CN102294611A (en) * | 2010-06-28 | 2011-12-28 | 芜湖航天汽车连杆有限公司 | Clamp for processing small end inclined plane of connecting rod |
| CN102398182A (en) * | 2011-12-06 | 2012-04-04 | 天润曲轴股份有限公司 | Flexible clamp for connecting rod |
| CN103264300A (en) * | 2013-05-08 | 2013-08-28 | 乳山玉龙汽车配件有限公司 | Fixture for milling small-end oblique planes of connecting rods |
| CN203527332U (en) * | 2013-07-10 | 2014-04-09 | 云南西仪工业股份有限公司 | Assembly jig for adjustable connecting rod body |
| CN205237580U (en) * | 2015-12-29 | 2016-05-18 | 天津易力达转向器有限公司 | Angular adjustment anchor clamps dedicated platform |
| CN206105438U (en) * | 2016-09-19 | 2017-04-19 | 珠海迈超智能装备有限公司 | Car connecting rod centre gripping turning device |
| CN206263183U (en) * | 2016-11-14 | 2017-06-20 | 白城中一精锻股份有限公司 | Finishing die mounting tool is used in connection rod of automobile engine forging |
| CN107030509A (en) * | 2015-07-16 | 2017-08-11 | 天润曲轴股份有限公司 | A kind of turning attachment of turning engine link |
| CN207522101U (en) * | 2017-11-11 | 2018-06-22 | 上海超日精密模具有限公司 | A kind of rotation clamping tooling |
| CN108907736A (en) * | 2018-07-19 | 2018-11-30 | 湖北三峡职业技术学院 | Machining of Connecting Rod system |
| CN209239582U (en) * | 2019-01-03 | 2019-08-13 | 天润曲轴股份有限公司 | A kind of flexible fixture for processing connecting rod small end of engine inclined-plane |
-
2019
- 2019-01-03 CN CN201910004342.3A patent/CN109514314B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB587448A (en) * | 1943-11-09 | 1947-04-25 | William Wharton | Improvements relating to the design and construction of jigs and fixtures |
| DE10258143A1 (en) * | 2002-12-04 | 2004-06-24 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Process for honing an inner surface of a bore in a workpiece, especially in a connecting rod, using a honing tool comprises compressing the workpiece in the region of the bore perpendicular to the bore axis to deform the bore cross-section |
| CN201313255Y (en) * | 2008-10-09 | 2009-09-23 | 潍坊潍柴零部件机械有限公司 | Fixture used for processing bevel at small end of connecting rod |
| CN102294611A (en) * | 2010-06-28 | 2011-12-28 | 芜湖航天汽车连杆有限公司 | Clamp for processing small end inclined plane of connecting rod |
| CN102398182A (en) * | 2011-12-06 | 2012-04-04 | 天润曲轴股份有限公司 | Flexible clamp for connecting rod |
| CN103264300A (en) * | 2013-05-08 | 2013-08-28 | 乳山玉龙汽车配件有限公司 | Fixture for milling small-end oblique planes of connecting rods |
| CN203527332U (en) * | 2013-07-10 | 2014-04-09 | 云南西仪工业股份有限公司 | Assembly jig for adjustable connecting rod body |
| CN107030509A (en) * | 2015-07-16 | 2017-08-11 | 天润曲轴股份有限公司 | A kind of turning attachment of turning engine link |
| CN205237580U (en) * | 2015-12-29 | 2016-05-18 | 天津易力达转向器有限公司 | Angular adjustment anchor clamps dedicated platform |
| CN206105438U (en) * | 2016-09-19 | 2017-04-19 | 珠海迈超智能装备有限公司 | Car connecting rod centre gripping turning device |
| CN206263183U (en) * | 2016-11-14 | 2017-06-20 | 白城中一精锻股份有限公司 | Finishing die mounting tool is used in connection rod of automobile engine forging |
| CN207522101U (en) * | 2017-11-11 | 2018-06-22 | 上海超日精密模具有限公司 | A kind of rotation clamping tooling |
| CN108907736A (en) * | 2018-07-19 | 2018-11-30 | 湖北三峡职业技术学院 | Machining of Connecting Rod system |
| CN209239582U (en) * | 2019-01-03 | 2019-08-13 | 天润曲轴股份有限公司 | A kind of flexible fixture for processing connecting rod small end of engine inclined-plane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109514314A (en) | 2019-03-26 |
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| CB02 | Change of applicant information |
Address after: Tianrun road Wendeng District of Weihai City, Shandong Province, No. 264400 2-13 Applicant after: Tianrun Industrial Technology Co.,Ltd. Applicant after: Shandong University of Technology Address before: Wendeng City, Weihai City, Shandong province 264400 Tianrun Road No. 2-13 Applicant before: TIANRUN CRANKSHAFT Co.,Ltd. Applicant before: Shandong University of Technology |
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