CN201239886Y - Clamp device for eccentric wheel - Google Patents
Clamp device for eccentric wheel Download PDFInfo
- Publication number
- CN201239886Y CN201239886Y CNU2008201878386U CN200820187838U CN201239886Y CN 201239886 Y CN201239886 Y CN 201239886Y CN U2008201878386 U CNU2008201878386 U CN U2008201878386U CN 200820187838 U CN200820187838 U CN 200820187838U CN 201239886 Y CN201239886 Y CN 201239886Y
- Authority
- CN
- China
- Prior art keywords
- eccentric wheel
- pressing plate
- supporting base
- annular screw
- press plate
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a clamping device for an eccentric wheel, which comprises a fixture body, a supporting seat, a press plate, a backing plate, a handle, the eccentric wheel, and the like. A compression supporting column and an annular screw are respectively mounted at the upper and the lower parts of the front end of the supporting seat; the other end of the annular screw is hinged with the press plate of a notch at the lower part through a hinge pin; a long hole is formed at the middle part of the press plate and movably matched with the compression supporting column; a pull rod is connected with the lower part of the press plate, and connected with the supporting seat through a spring; the compression supporting column passes through the long hole on the press plate and is hinged with the eccentric wheel with a notch through a pin roll; the eccentric wheel is propped against the outside of the press plate; under the eccentric action of the eccentric wheel, the press plate is pushed to rotate around the hinge pin supported through the annular screw; and parts are compressed or loosened at the upper part. The utility model has the advantages of reasonable structure, convenient assembly and strong versatility, and is suitable for clamping various crankshaft parts. Furthermore, the clamping device is mounted in a required position according to the sizes of the parts of different crankshafts.
Description
Technical field
The utility model relates to a kind of clamping device, specifically a kind of eccentric wheel clamping device.
Background technology
We know that in the manufacturing of bent axle, some processing and making process must clamp bent axle, so that carry out process operation.For example main bearing journal and connecting rod neck are bored oilhole, its processing needs respectively to join respectively a cover boring grab branch two procedures and finishes on two radial drilling machines.One procedure bores the straight oilhole of main shaft, another procedure bores the straight oilhole of connecting rod, because of every kind of crankshaft oil hole angle, crank spindle and connecting rod diameter require different, this just causes every kind of bent axle all to need two sleeve clamps, except versatility poor, also caused manufacturing cost height, the production cycle of anchor clamps long, clamping times is many, at the bottom of the efficient.
At present, bore the oilhole anchor clamps on the crankshaft journal using radial drilling machine to bore, using more is the clamp mechanism of spiral and presser type.In the clamp mechanism design, eccentric wheel or spiral clamp mechanism are to use more a kind of clamp mechanism.The Eccentric Clamping Mechanism process operation is convenient, clamping is rapid, and shortcoming is that clamping force and clamping stroke are all little.Spiral clamps that mechanism structure is simple, reliable clamping, versatility are good, and because lead angle is little, and the self-locking property of spiral clamp mechanism is good, clamping force and to clamp stroke all bigger, and shortcoming is manual clamping, clamps slow motion, labour intensity is big.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, easy to assembly, makes simply, and it is big to clamp stroke, the efficient height, and labour intensity is low, is suitable for the eccentric wheel clamping device that various axle classes clamp.
The technical scheme in the invention for solving the above technical problem is: a kind of eccentric wheel clamping device, it comprises clamp body, supporting base, pressing plate, backing plate, handle, eccentric wheel, supporting base is installed on the clamp body, backing plate is installed on the supporting base by level and vertical direction, it is characterized in that the supporting base front end installs one up and down respectively and compress a pillar and an annular screw, the annular screw other end is hinged with the pressing plate of hinge pin and bottom fluting, pressing plate middle part is provided with elongated hole and compresses the pillar activity and cooperate, the pressing plate bottom connects a pull bar, the lower end of pull bar connects a spring, the spring other end links to each other with journal stirrup bolt on the supporting base, compressing pillar passes the elongated hole that pressing plate is provided with and is hinged with bearing pin and the eccentric wheel that is provided with fluting, the eccentric wheel that has handle is pressed on the pressing plate outside, compress the eccentric wheel of shore supports by rotation, utilize eccentric wobbler action to compress the promotion pressing plate, pressing plate rotates around the hinge pin that annular screw supports, and top compresses or unclamps part.
The utility model is said to be compressed the screw thread that pillar is provided with by an end and is installed in the screwed hole of supporting base, and the outside also is provided with a location nut.Compress the pillar other end and pass the elongated hole that pressing plate is provided with and be hinged with bearing pin and the eccentric wheel that is provided with fluting, elongated hole and eccentric fluting all play the guiding role on the pressing plate, and the direct clamping platen of eccentric wheel compresses part by pressing plate.The said threaded portion that compresses pillar can screw in nut and be screwed on the supporting base again, by the nut location, realizes the amplitude adjustment of hold-down mechanism, thereby compresses different accessory sizes.
On the said annular screw of the utility model was installed in the screwed hole of supporting base, the annular screw outside also was provided with a location nut, and the two cooperates screw-ins, and adjustable extension elongation of adjusting an annular screw is with the part of suitable pressing plate clamping different-diameter.
The utility model adopts the rotation of eccentric wheel control pressing plate, utilizes eccentric wobbler action to compress the promotion pressing plate, and pressing plate rotates around the hinge pin that annular screw supports, and top compresses or unclamps part.Against existing technologies, the utility model is rational in infrastructure, and is easy to assembly, low cost of manufacture, and highly versatile, it is installed in clamping device on the desired location according to the accessory size of different bent axles, is applicable to the clamping of various crankshaft parts.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is that the utility model is used for the structural representation that bent axle bores straight oilhole clamped condition.
Fig. 2 is a reset condition structural representation before the utility model clamps.
1. handles among the figure, 2. eccentric wheel, 3. bearing pin, 4. pressing plate, 5. pull bar, 6. hinge pin, 7. nut, 8. annular screw, 9. supporting base, 10. spring, 11. journal stirrup bolts, 12. clamp bodies, 13. reference columns, 14. bushing plates, 15. drill bushings, 16. backing plates, 17. compress pillar.
The specific embodiment
From Fig. 1, Fig. 2 as can be seen, a kind of eccentric wheel clamping device, it comprises handle 1, eccentric wheel 2, bearing pin 3, pressing plate 4, pull bar 5, hinge pin 6, nut 7, annular screw 8, supporting base 9, spring 10, journal stirrup bolt 11, clamp body 12, backing plate 16, compresses pillar 17 etc.Supporting base 9 is installed on the clamp body 12, and backing plate is installed on the supporting base by level and vertical direction.When being used for bent axle and boring straight oilhole and clamp, also be provided with connecting rod reference column 13, bushing plate 14, drill bushing 15 etc., wherein bushing plate 14 and reference column 13 also are installed on the clamp body 12.Drill bushing 15 is installed on the bushing plate 14.
Characteristics of the present utility model are: supporting base 9 front ends are installed one up and down respectively and are compressed a pillar 17 and an annular screw 8.Annular screw 8 other ends are hinged with the pressing plate 4 of hinge pin 6 with the bottom fluting, pressing plate 4 middle parts are provided with elongated hole and compress 17 movable cooperations of pillar, pressing plate 4 bottoms connect a pull bar 5, the lower end of pull bar 5 connects a spring 10, spring 10 other ends link to each other with journal stirrup bolt 11 on the supporting base 9, spring 10 makes that pressing plate 4 is stressed to be in deployed position all the time, so that part is easy to loading and unloading.Compressing pillar 17 passes the elongated hole that pressing plate 4 is provided with and is hinged with bearing pin 3 and the eccentric wheel 2 that is provided with fluting, handle 1 is installed on the eccentric wheel, the eccentric wheel 2 that has handle 1 is pressed on pressing plate 4 outsides, compress the eccentric wheel 2 that pillar 17 supports by rotation, utilize the wobbler action of eccentric wheel 2 to compress promotion pressing plate 4, pressing plate 4 rotates around the hinge pin 6 that annular screw 8 supports, and top compresses or unclamps part.
The utility model is said to be compressed the screw thread that pillar 17 is provided with by an end and is installed in the screwed hole of supporting base 9, and the outside also is provided with a location nut 7.Compress pillar 17 other ends and pass the elongated hole that pressing plate 4 is provided with and be hinged with bearing pin 3 and the eccentric wheel 2 that is provided with fluting, the fluting of elongated hole and eccentric wheel 2 all play the guiding role on the pressing plate 4, and the direct clamping platen of eccentric wheel compresses part by pressing plate.The said threaded portion that compresses pillar 17 can screw in nut 7 and be screwed on the supporting base again, by nut 7 location, realizes the amplitude adjustment of hold-down mechanism, thereby compresses different accessory sizes.
On the said annular screw 8 of the utility model was installed in the screwed hole of supporting base 9, annular screw 8 outsides also were provided with a location nut 7, and the two cooperates screw-ins, and adjustable extension elongation of adjusting an annular screw 8 is with the part of suitable pressing plate clamping different-diameter.
The utility model adopts the rotation of eccentric wheel 2 control pressing plates 4, utilizes eccentric wobbler action to compress the promotion pressing plate, and pressing plate 4 rotates around the hinge pin 6 that annular screw 8 supports, and top compresses or unclamps part.The utility model is rational in infrastructure, and is easy to assembly, low cost of manufacture, and highly versatile, its accessory size according to different bent axles is installed on the desired location, is applicable to the clamping of various crankshaft parts.
The utility model is used example, is example with four cylinder crankshafts, and one four cylinder crankshaft has five trunnions, four connecting rod necks, and wherein four trunnions need bore oilhole, during use, clamp mechanism with above-mentioned two covers and clamp the first and the 5th trunnion.At first bent axle is hung on backing plate 16 with the first and the 5th trunnion, simultaneously circumferentially be positioned reference column 13 with the first connecting rod neck, move handle 1 then counterclockwise, pressing plate 4 promptly compresses the first and the 5th trunnion, drill bushing 15 aligns the oil-hole location that will bore simultaneously, just can bore four oilholes in order successively.Move handle 1 clockwise, promptly unclamp pressing plate 4, clamp mechanism unloads part and gets final product in a state of nature.
Claims (3)
1. eccentric wheel clamping device, it comprises clamp body, supporting base, pressing plate, backing plate, handle, eccentric wheel, supporting base is installed on the clamp body, backing plate is installed on the supporting base by level and vertical direction, it is characterized in that the supporting base front end installs one up and down respectively and compress a pillar and an annular screw, the annular screw other end is hinged with the pressing plate of hinge pin and bottom fluting, pressing plate middle part is provided with elongated hole and compresses the pillar activity and cooperate, the pressing plate bottom connects a pull bar, the lower end of pull bar connects a spring, the spring other end links to each other with journal stirrup bolt on the supporting base, compressing pillar passes the elongated hole that pressing plate is provided with and is hinged with bearing pin and the eccentric wheel that is provided with fluting, the eccentric wheel that has handle is pressed on the pressing plate outside, compress the eccentric wheel of shore supports by rotation, utilize eccentric wobbler action to compress the promotion pressing plate, pressing plate rotates around the hinge pin that annular screw supports, and top compresses or unclamps part.
2. eccentric wheel clamping device according to claim 1 is characterized in that: saidly compress the screw thread that pillar is provided with by an end and be installed in the screwed hole of supporting base, the outside also is provided with a location nut.
3. eccentric wheel clamping device according to claim 1 is characterized in that: on said annular screw was installed in the screwed hole of supporting base, the annular screw outside also was provided with a location nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201878386U CN201239886Y (en) | 2008-08-15 | 2008-08-15 | Clamp device for eccentric wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201878386U CN201239886Y (en) | 2008-08-15 | 2008-08-15 | Clamp device for eccentric wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201239886Y true CN201239886Y (en) | 2009-05-20 |
Family
ID=40713177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201878386U Expired - Lifetime CN201239886Y (en) | 2008-08-15 | 2008-08-15 | Clamp device for eccentric wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201239886Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107364A (en) * | 2009-12-29 | 2011-06-29 | 天津市金涞精密机械有限公司 | High-efficiency crank shaft drilling clamp |
| CN102367008A (en) * | 2011-09-17 | 2012-03-07 | 陈浩波 | Retreating type safety protection system of reciprocating type press machine equipment |
| CN101648344B (en) * | 2008-08-15 | 2012-05-23 | 天润曲轴股份有限公司 | Eccentric wheel clamping device |
| CN102990483A (en) * | 2012-12-31 | 2013-03-27 | 河南富耐克超硬材料股份有限公司 | Cutter grinding fixture |
| CN103071850A (en) * | 2013-01-15 | 2013-05-01 | 安徽华德机床制造有限公司 | Quick swaging and locking mechanism for shearing sheets in hydraulic combined punching and shearing machine |
| CN103465057A (en) * | 2013-08-30 | 2013-12-25 | 安徽池州家用机床股份有限公司 | Fixture for turning of hitching legs |
| CN104625680A (en) * | 2014-12-30 | 2015-05-20 | 昆山恩都照明有限公司 | Rotating structure for assembling |
| CN108127442A (en) * | 2017-12-29 | 2018-06-08 | 奉正中 | A kind of numerically-controlled machine tool clamping device |
| CN109605075A (en) * | 2018-12-12 | 2019-04-12 | 成都飞机工业（集团）有限责任公司 | A kind of quick holding unit and holding method for magnetic module |
-
2008
- 2008-08-15 CN CNU2008201878386U patent/CN201239886Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648344B (en) * | 2008-08-15 | 2012-05-23 | 天润曲轴股份有限公司 | Eccentric wheel clamping device |
| CN102107364A (en) * | 2009-12-29 | 2011-06-29 | 天津市金涞精密机械有限公司 | High-efficiency crank shaft drilling clamp |
| CN102367008A (en) * | 2011-09-17 | 2012-03-07 | 陈浩波 | Retreating type safety protection system of reciprocating type press machine equipment |
| CN102367008B (en) * | 2011-09-17 | 2014-05-14 | 陈浩波 | Retreating type safety protection system of reciprocating type press machine equipment |
| CN102990483A (en) * | 2012-12-31 | 2013-03-27 | 河南富耐克超硬材料股份有限公司 | Cutter grinding fixture |
| CN102990483B (en) * | 2012-12-31 | 2015-08-19 | 富耐克超硬材料股份有限公司 | Cutter grinding clamp |
| CN103071850A (en) * | 2013-01-15 | 2013-05-01 | 安徽华德机床制造有限公司 | Quick swaging and locking mechanism for shearing sheets in hydraulic combined punching and shearing machine |
| CN103071850B (en) * | 2013-01-15 | 2014-12-03 | 安徽华德机床制造有限公司 | Quick swaging and locking mechanism for shearing sheets in hydraulic combined punching and shearing machine |
| CN103465057A (en) * | 2013-08-30 | 2013-12-25 | 安徽池州家用机床股份有限公司 | Fixture for turning of hitching legs |
| CN104625680A (en) * | 2014-12-30 | 2015-05-20 | 昆山恩都照明有限公司 | Rotating structure for assembling |
| CN108127442A (en) * | 2017-12-29 | 2018-06-08 | 奉正中 | A kind of numerically-controlled machine tool clamping device |
| CN109605075A (en) * | 2018-12-12 | 2019-04-12 | 成都飞机工业（集团）有限责任公司 | A kind of quick holding unit and holding method for magnetic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090520 Effective date of abandoning: 20080815 |