CN203357025U - Special tool for eccentric shaft hole machining - Google Patents
Special tool for eccentric shaft hole machining Download PDFInfo
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- CN203357025U CN203357025U CN 201320319137 CN201320319137U CN203357025U CN 203357025 U CN203357025 U CN 203357025U CN 201320319137 CN201320319137 CN 201320319137 CN 201320319137 U CN201320319137 U CN 201320319137U CN 203357025 U CN203357025 U CN 203357025U
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- eccentric shaft
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- shaft workpiece
- hole
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Abstract
The utility model discloses a special tool for eccentric shaft hole machining. The special tool comprises a base, and is characterized in that one end of the upper plate surface of the base is provided with an eccentric shaft workpiece external circle jacking device, the other end of the upper plate surface of the base is provided with an eccentric shaft workpiece front pressing plate and an eccentric shaft workpiece rear pressing plate, the eccentric shaft workpiece external circle jacking device, the eccentric shaft workpiece front pressing plate and the eccentric shaft workpiece rear pressing plate are distributed in an equilateral triangle shape, and the bottom of the base is fixedly provided with an eccentric shaft workpiece center hole jacking elastic pin. According to the special tool, an eccentric shaft workpiece can be quickly clamped from four directions, machining quality requirements can be met, work efficiency is improved, energy consumption is reduced, eccentric shaft holes of different specifications can be machined through machining centers, and the application range is wide; due to the elastic jacking pin, machining cumulative errors caused by the common difference of the machining centers can be reduced, machining quality of the holes is guaranteed, follow-up machining quality is guaranteed, the tool can determine the pressing direction according to the thickness of a flange end and is simple in structure and convenient to use, and one worker can operate the tool.
Description
Technical field
The utility model relates to the auxiliary mould of a kind of eccentric shaft class hole processing, specifically a kind of eccentric pivot hole processing special tooling.Be applicable to adopt the processing of machining center to the eccentric end flange hole of eccentric shaft.
Background technology
Axial workpiece is one of typical part often run in machine, it is mainly used to support the transmission parts, transmitting torque and bearing load, eccentric shaft is used in the planar linkage mechanism V--belt Drive usually, and its design feature is that two axial lines is parallel and do not overlap existing rotation, also there is revolution, structure is special, so, there is certain difficulty in the processing in the centre bore of eccentric shaft and boss hole thereof.At present, the order of processing eccentric shaft is first from rough turn to finish turning, and the reprocessing flange end, finally process the flange stomidium, then located by hole by frock, the eccentric end of processing eccentric shaft.Because the eccentric shaft centre bore is very strict to the eccentric throw requirement, be to guarantee the eccentric end crudy, the processing request in hole will be relatively strict in advance.Common processing method: the one, the lathe three-claw chuck clamps method, and this method is applicable to below 100mm, minor diameter, the low eccentric shaft of required precision; The 2nd, lathe chuck deflection method, this method centering is wasted time and energy, and is applicable to the processing of small lot eccentric shaft; The 3rd, standard eccentric bushing method, this method is applicable to eccentric shaft processing in enormous quantities, but standard eccentric bushing machining accuracy is difficult to guarantee.Known by retrieving, have not yet to see the report of the eccentric end machining flange hole harness that is exclusively used in multiple eccentric shaft.
Summary of the invention
The purpose of this utility model is to provide a kind of requirement of can either ensuring the quality of products, increases work efficiency, saves energy consumption, can process special tooling to the eccentric pivot hole of the eccentric pivot hole processing of different size by machining center again.
In order to reach above purpose, the technical scheme that the utility model adopts is: this eccentric pivot hole processing special tooling, comprise base, it is characterized in that: the end at the base upper face is provided with eccentric shaft excircle of workpiece holding device, the other end at the base upper face is provided with eccentric shaft workpiece front pressuring plate and eccentric shaft workpiece rear fender, and eccentric shaft excircle of workpiece holding device and eccentric shaft workpiece front pressuring plate, eccentric shaft workpiece rear fender are equilateral triangle and arrange; On fixing in the bottom of base, the eccentric shaft workpiece center hole holds out against elastic needle, and the eccentric shaft workpiece center hole holds out against the vertical through hole of elastic needle through base, corresponding with the centre bore of eccentric shaft workpiece lower end.
The utility model is also implemented by following measure: described eccentric shaft excircle of workpiece holding device, comprise slide, rocking arm, pull bar, spiral compression spring, eccentric shaft excircle of workpiece pressing tight plate, turn handle, pressing tight plate pull bar and the capping of " L " shape, the bottom of slide is fixed on base plate by hexagon socket cap head screw, rocking arm is connected with rocker arm bracket by pin with split pin hole, the bottom of rocking arm connects pull bar, sheathed spiral compression spring on pull bar, eccentric shaft excircle of workpiece pressing tight plate inserts in slide from the upper port of slide, the inner of pressing tight plate pull bar is fixedly connected with eccentric shaft excircle of workpiece pressing tight plate, outer end is saved and is turned handle and be connected by rotation, fix the capping of " L " shape the suitable for reading of slide by corresponding inside door angle fillister head screw, the capping of " L " shape is fixed with hexagon socket cap head screw M8X20 and slide, external part at eccentric shaft excircle of workpiece pressing tight plate is provided with " V " clevis mouth.
Described eccentric shaft workpiece center hole holds out against elastic needle, comprise thimble, "T"-shaped needle guard and bottom, thimble is step-like, be provided with centre bore on "T"-shaped needle guard, the syringe needle section of thimble is stretched out from the centre bore of "T"-shaped needle guard, the bottom seat of thimble, on spring, by the screw fixed bottom cover, is provided with the hexagon socket cap head screw hole fixed with the bedplate face on the end of "T"-shaped needle guard mouth on the perisporium of "T"-shaped needle guard.
Described eccentric shaft workpiece front pressuring plate and eccentric shaft workpiece rear fender are identical rectangle plate body ，Qi center and are provided with axial bar hole, axially in bar hole, are bolted on base.
Described base is the case lid pattern.
The beneficial effects of the utility model are: this eccentric pivot hole processing special tooling, can rapid adjustment locate, and can realize the eccentric shaft Workpiece clamping from four orientation, so, can either guarantee that crudy requires, increases work efficiency, saves energy consumption, can to the eccentric pivot hole of different size, be processed by machining center again, applied widely; Owing to having adopted the elasticity thimble, so can reduce the processing cumulative errors that cause because of the centre bore tolerance, guaranteed the crudy in hole, just be equivalent to reduce eccentric external diameter mismachining tolerance, the following process quality is guaranteed, and this frock can determine the orientation compressed according to flange end thickness, the flange end of relative thin also can be pressed eccentricity end face, and this frock lifting workpiece is simple, the general staff just can complete, easy to use.
The accompanying drawing explanation
Fig. 1 is structure schematic side view of the present utility model.
Fig. 2 is structure schematic top plan view of the present utility model.
Fig. 3 is that eccentric shaft excircle of workpiece holding device structure of the present utility model is analysed and observe enlarged diagram.
Fig. 4 is that eccentric shaft workpiece center hole of the present utility model holds out against the elastic needle axis of no-feathering to analysing and observe enlarged diagram.
The application state schematic side view that Fig. 5 is an embodiment of the utility model.
In figure: 1, base; 2, eccentric shaft excircle of workpiece holding device; 201, slide; 202, rocking arm; 203, pull bar; 204, spiral compression spring; 205, eccentric shaft excircle of workpiece pressing tight plate; 206, turn handle; 207, pressing tight plate pull bar; 208, " L " shape capping; 209, rocker arm bracket; 210, rotate joint; 3, eccentric shaft workpiece front pressuring plate; 4, eccentric shaft workpiece rear fender; 5, the eccentric shaft workpiece center hole holds out against elastic needle; 51, thimble; 52, "T"-shaped needle guard; 53, bottom; 54, spring; 55, screw; 56, hexagon socket cap head screw hole; 6, hexagon socket cap head screw; 7, pin with split pin hole; 8, " V " clevis mouth; 9, axial bar hole; 10, bolt; 11, eccentric shaft workpiece.
The specific embodiment
Make the utility model with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4.This eccentric pivot hole processing special tooling, comprise base 1, it is characterized in that: the end at base 1 upper face is provided with eccentric shaft excircle of workpiece holding device 2, the other end at base 1 upper face is provided with eccentric shaft workpiece front pressuring plate 3 and eccentric shaft workpiece rear fender 4, eccentric shaft excircle of workpiece holding device 2 and eccentric shaft workpiece front pressuring plate 3, eccentric shaft workpiece rear fender 4 are equilateral triangle and arrange, act on three sides of eccentric shaft workpiece during use, the eccentric shaft workpiece is tightened from three directions, make eccentric shaft workpiece location; On fixing in the bottom of base 1, the eccentric shaft workpiece center hole holds out against elastic needle 5, the eccentric shaft workpiece center hole holds out against the vertical through hole of elastic needle 5 through base 1, corresponding with the centre bore of eccentric shaft workpiece lower end, during use, upwards insert in the centre bore of eccentric shaft workpiece lower end, the eccentric shaft workpiece is located up and down, thereby the eccentric shaft workpiece is fixed from four direction, guarantee the accuracy of eccentric shaft workpiece crudy.
As improvement of the present utility model: described eccentric shaft excircle of workpiece holding device 2, comprise slide 201, rocking arm 202, pull bar 203, spiral compression spring 204, eccentric shaft excircle of workpiece pressing tight plate 205, turn handle 206, pressing tight plate pull bar 207 and " L " shape capping 208, the bottom of slide 201 is fixed on base plate 1 by hexagon socket cap head screw 6, rocking arm 202 is connected with rocker arm bracket 209 by pin with split pin hole 7, the bottom of rocking arm 202 connects pull bar 203, sheathed spiral compression spring 204 on pull bar 203, eccentric shaft excircle of workpiece pressing tight plate 205 inserts in slide 201 from the upper port of slide 201, the inner of pressing tight plate pull bar 207 is fixedly connected with eccentric shaft excircle of workpiece pressing tight plate 205, outer end by rotation save 210 with turn handle 206 and be connected, fix " L " shape capping 208 the suitable for reading of slide 201 by corresponding inside door angle fillister head screw, " L " shape capping 208 use hexagon socket cap head screw M8X20 and slide are fixed, it is mainly that spiral compression spring 204 and eccentric shaft excircle of workpiece pressing tight plate 205 are closed, prevent that cutting fluid from entering the inside, of long duration getting rusty easily, while pulling rocking arm 202, can feel jerky, next looks attractive in appearance, external part at eccentric shaft excircle of workpiece pressing tight plate 205 is provided with " V " clevis mouth 8.When using the utility model, by rocking arm 202, pull back and forth, fix or unload the eccentric shaft workpiece of processing.
Described eccentric shaft workpiece center hole holds out against elastic needle 5, comprise thimble 51, "T"-shaped needle guard 52 and bottom 53, thimble 51 is step-like, be provided with centre bore on "T"-shaped needle guard 52, the syringe needle section of thimble 51 is stretched out from the centre bore of "T"-shaped needle guard 52, the bottom seat of thimble 51, on spring 54, by screw 55 fixed bottom covers 53, is provided with the hexagon socket cap head screw hole 56 fixed with base 1 plate face on the end of "T"-shaped needle guard 52 mouth on the perisporium of "T"-shaped needle guard 52.Due to the certain margin of tolerance of being processed with of centre bore, the central hole size of eccentric shaft workpiece not necessarily, the spring 54 of here having used, the effect master of elasticity 54 thimbles is the position degrees that will guarantee product bias and hole, can guarantee the position degree in hole by spring 54.
Described eccentric shaft workpiece front pressuring plate 3 and eccentric shaft workpiece rear fender 4 are identical rectangle plate body, its center is provided with axial bar hole 9, axially in bar hole 9, by bolt 10, be fixed on base 1, in use, when making eccentric shaft workpiece front pressuring plate 3 and eccentric shaft workpiece rear fender 4 chucking eccentric shaft workpiece, 10 fixing getting final product tight a bolt.
Described base 1 is the case lid pattern, so that setting-up eccentricity shaft-like work centre bore holds out against elastic needle 5, simultaneously, the main and slide of the effect of base 1 is fixed on a horizontal plane, can guarantee workpiece placement level during boring.
Fig. 5 has provided an embodiment, eccentric shaft workpiece 11 is held out against to elastic needle 5, eccentric shaft workpiece front pressuring plate 3 and eccentric shaft workpiece rear fender 4 by eccentric shaft excircle of workpiece holding device 2, eccentric shaft workpiece center hole and clamp from four direction, can be processed by machining center.
Claims (4)
1. eccentric pivot hole is processed special tooling, comprise base (1), it is characterized in that: the end at base (1) upper face is provided with eccentric shaft excircle of workpiece holding device (2), the other end at base (1) upper face is provided with eccentric shaft workpiece front pressuring plate (3) and eccentric shaft workpiece rear fender (4), and eccentric shaft excircle of workpiece holding device (2) and eccentric shaft workpiece front pressuring plate (3), eccentric shaft workpiece rear fender (4) are equilateral triangle and arrange; In the bottom of base (1), fixing upper eccentric shaft workpiece center hole holds out against elastic needle (5), and the eccentric shaft workpiece center hole holds out against the vertical through hole of elastic needle (5) through base (1).
2. eccentric pivot hole according to claim 1 is processed special tooling, it is characterized in that: described eccentric shaft excircle of workpiece holding device (2), comprise slide (201), rocking arm (202), pull bar (203), spiral compression spring (204), eccentric shaft excircle of workpiece pressing tight plate (205), turn handle (206), pressing tight plate pull bar (207) and " L " shape capping (208), the bottom of slide (201) is fixed on base plate (1) by hexagon socket cap head screw (6), rocking arm (202) is connected with rocker arm bracket (209) by pin with split pin hole (7), the bottom of rocking arm (202) connects pull bar (203), at the upper sheathed spiral compression spring (204) of pull bar (203), eccentric shaft excircle of workpiece pressing tight plate (205) inserts in slide (201) from the upper port of slide (201), the inner of pressing tight plate pull bar (207) is fixedly connected with eccentric shaft excircle of workpiece pressing tight plate (205), outer end is saved (210) and is turned handle (206) and be connected by rotation, fix " L " shape capping (208) the suitable for reading of slide (201) by corresponding inside door angle fillister head screw, external part at eccentric shaft excircle of workpiece pressing tight plate (205) is provided with " V " clevis mouth (8).
3. eccentric pivot hole according to claim 1 is processed special tooling, it is characterized in that: described eccentric shaft workpiece center hole holds out against elastic needle (5), comprise thimble (51), "T"-shaped needle guard (52) and bottom (53), thimble (51) is step-like, be provided with centre bore on "T"-shaped needle guard (52), the syringe needle section of thimble (51) is stretched out from the centre bore of "T"-shaped needle guard (52), the bottom seat of thimble (51) is on spring (54), pass through screw (55) fixed bottom cover (53) on the end mouth of "T"-shaped needle guard (52), be provided with the hexagon socket cap head screw hole (56) fixed with base (1) plate face on the perisporium of "T"-shaped needle guard (52).
4. eccentric pivot hole according to claim 1 is processed special tooling, it is characterized in that: described eccentric shaft workpiece front pressuring plate (3) and eccentric shaft workpiece rear fender (4) are identical rectangle plate body, its center is provided with axial bar hole (9), axially in bar hole (9), by bolt (10), is fixed on base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320319137 CN203357025U (en) | 2013-06-05 | 2013-06-05 | Special tool for eccentric shaft hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320319137 CN203357025U (en) | 2013-06-05 | 2013-06-05 | Special tool for eccentric shaft hole machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203357025U true CN203357025U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320319137 Expired - Fee Related CN203357025U (en) | 2013-06-05 | 2013-06-05 | Special tool for eccentric shaft hole machining |
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| Country | Link |
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| CN (1) | CN203357025U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215714A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The clamping tool of balancing weight and processing method thereof |
| CN105215732A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The clamping tool of balancing weight and processing method thereof |
| CN105215733A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The fixture of balancing weight and processing method thereof |
| CN105252318A (en) * | 2015-09-30 | 2016-01-20 | 重庆凯顺机械有限公司 | Clamping tool and machining method for balancing weight |
| CN105252295A (en) * | 2015-09-30 | 2016-01-20 | 重庆凯顺机械有限公司 | Clamping tool for balancing weight and machining method of balancing weight |
| CN105619129A (en) * | 2016-03-24 | 2016-06-01 | 江苏瑞德机械有限公司 | Clamp for machining center holes in two ends of eccentric shaft |
| CN111070126A (en) * | 2019-12-23 | 2020-04-28 | 天津市航宇嘉瑞科技股份有限公司 | Combined clamping tool for processing irregular rocker arm product |
| CN111571474A (en) * | 2020-05-09 | 2020-08-25 | 新乡航空工业(集团)有限公司 | Positioning and clamping device based on rapid die change |
-
2013
- 2013-06-05 CN CN 201320319137 patent/CN203357025U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215714A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The clamping tool of balancing weight and processing method thereof |
| CN105215732A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The clamping tool of balancing weight and processing method thereof |
| CN105215733A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The fixture of balancing weight and processing method thereof |
| CN105252318A (en) * | 2015-09-30 | 2016-01-20 | 重庆凯顺机械有限公司 | Clamping tool and machining method for balancing weight |
| CN105252295A (en) * | 2015-09-30 | 2016-01-20 | 重庆凯顺机械有限公司 | Clamping tool for balancing weight and machining method of balancing weight |
| CN105215732B (en) * | 2015-09-30 | 2018-03-27 | 重庆凯顺机械有限公司 | The clamping tool and its processing method of balancing weight |
| CN105252318B (en) * | 2015-09-30 | 2018-04-06 | 重庆凯顺机械有限公司 | The clamping tool and its processing method of balancing weight |
| CN105252295B (en) * | 2015-09-30 | 2018-06-19 | 重庆凯顺机械有限公司 | The clamping tool and its processing method of clump weight |
| CN105619129A (en) * | 2016-03-24 | 2016-06-01 | 江苏瑞德机械有限公司 | Clamp for machining center holes in two ends of eccentric shaft |
| CN111070126A (en) * | 2019-12-23 | 2020-04-28 | 天津市航宇嘉瑞科技股份有限公司 | Combined clamping tool for processing irregular rocker arm product |
| CN111571474A (en) * | 2020-05-09 | 2020-08-25 | 新乡航空工业(集团)有限公司 | Positioning and clamping device based on rapid die change |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20140605 |