CN206795267U - A kind of general clamp for machining of circumferential eccentric shaft - Google Patents
A kind of general clamp for machining of circumferential eccentric shaft Download PDFInfo
- Publication number
- CN206795267U CN206795267U CN201720400852.9U CN201720400852U CN206795267U CN 206795267 U CN206795267 U CN 206795267U CN 201720400852 U CN201720400852 U CN 201720400852U CN 206795267 U CN206795267 U CN 206795267U
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- eccentric
- eccentric shaft
- disk pedestal
- machining
- processed
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Abstract
The utility model discloses a kind of circumferential general clamp for machining of eccentric shaft, including disk pedestal, the card of the disk pedestal side is provided with the center hole with the top cooperation of lathe, and the latch for positioning；The card of disk pedestal opposite side is provided with the eccentric pin coordinated with the eccentric positioning hole set on eccentric shaft to be processed, and its is simple in construction, easy to use, improves clamping efficiency during circumferential eccentric shaft processing.
Description
Technical field
It the utility model is related to a kind of fixture, more particularly to a kind of general clamp for machining of circumferential eccentric shaft.
Background technology
There is substantial amounts of eccentric shaft part in the machinery industry parts such as aviation, automobile, ship, this kind of part purposes is wide
General, of large quantities, some eccentric shafts require all higher for size and Form and position error, if installation way or processing technology
It is inconsiderate complete, then cause production efficiency very low, entreprise cost increase, enterprise profit is difficult to be lifted.
State Intellectual Property Office discloses a Publication No. 204639735U, entitled " eccentric shaft in 2015.09.16
The invention of fixture ", the invention are " C " shape columnar component, and part is cylindrical to be provided with breach, and end face is provided with stepped hole, and step
Hole axial line is with cylindrical not in same axis, and its offset is identical with offset needed for eccentric shaft, and the stepped hole is big
Endoporus is cylindrical for gap cooperation with eccentric shaft position portion.Clamping workpiece can be facilitated by this way, improve production efficiency.
State Intellectual Property Office discloses a Publication No. 102848145A in 2013.01.02, and entitled " one kind is partially
A kind of invention of mandrel processing technology ", eccentric axis processing technique of the disclosure of the invention, by the processing technology of eccentric shaft is defined as heat
Six processing, rough turn, smart car, finish-milling, surface treatment, packaging and storage steps.Processing that by this way can be fast and convenient is inclined
Mandrel, improving processing efficiency reduces labour cost, improves production capacity.The invention is mainly explained the technological process of eccentric shaft
State, do not elaborate the machining work process of axle to the west.
Above-mentioned patent it is complicated, easy to install, reduce the clamping efficiency during processing of circumferential eccentric shaft.
Utility model content
The defects of in order to overcome above-mentioned prior art, the utility model provide a kind of general processed clip of circumferential eccentric shaft
Tool, the clamp for machining is simple in construction, easy to use, improves clamping efficiency during circumferential eccentric shaft processing.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of general clamp for machining of circumferential eccentric shaft, it is characterised in that：Including disk pedestal, the disk pedestal side
Card is provided with the center hole with the top cooperation of lathe, and the latch for positioning；Set in the card of disk pedestal opposite side
There is the eccentric pin coordinated with the eccentric positioning hole set on eccentric shaft to be processed.
Described eccentric pin the three eccentricity axle in 120 degree or four eccentric shafts in 90 degree in the card of disk pedestal
It is uniformly distributed.
Eccentric distance of the eccentric pin on disk pedestal is equal with the eccentric distance of eccentric shaft to be processed, and eccentric fixed
Position pin is distributed across the eccentric distance of eccentric shaft to be processed as on the circle of radius in disk pedestal.
During installation, the contacts side surfaces of latch and machine chuck, prevent from rotating.
The utility model has advantages below：
1st, the utility model includes disk pedestal, and the card of the disk pedestal side is provided with and the top cooperation of lathe
Center hole, and the latch for positioning；The card of disk pedestal opposite side be provided with set on eccentric shaft to be processed it is inclined
The eccentric pin that heart positioning hole coordinates.First at the both ends (axial direction) of eccentric shaft for needing to process, process coaxial center hole with
Eccentric positioning hole, eccentric positioning hole and fixture eccentric pin are coordinated, each one of left and right, then fixture left end center hole with it is auxiliary
Top cooperation is helped, left end aids in top clamping on machine chuck, fixture right-hand member center hole and the top cooperation of lathe, realizes eccentric
The positioning and clamping of axle part, and the turning or grinding of first eccentric shaft are realized, eccentric shaft to be processed is rotated to realize
The processing of second, third and the 4th eccentric shaft.The clamp for machining is simple in construction, easy to use, improves circumferential eccentric shaft and adds
The clamping efficiency in man-hour.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 left view；
Fig. 3 is Fig. 1 right view；
Fig. 4 is the structural representation of actual example 2 of the present utility model；
Fig. 5 is Fig. 4 left view；
Fig. 6 is Fig. 4 right view；
Fig. 7 is processing eccentric shaft processing excircles, center hole and eccentric positioning hole schematic diagram；
Fig. 8 is Fig. 7 side view；
Schematic diagram when Fig. 9 is clamping when eccentric shaft is processed in the utility model process.
Marked in figure：1st, disk pedestal, 2, eccentric pin, 3, latch, 4, center hole, 5, eccentric shaft, 6, blank, 7,
Eccentric positioning hole, 8, axle center hole, 9, technique chuck, 10, auxiliary it is top, 11, machine chuck, 12, lathe it is top, 13, first
Eccentric shaft, the 14, second eccentric shaft, 15, three eccentricity axle.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 7, Fig. 8 and Fig. 9, a kind of circumferential general clamp for machining of eccentric shaft, including disk base
Seat 1, the card of the side of disk pedestal 1 is provided with center hole 4, and the center hole 4 is located at the center of card（Circle centre position）, center hole 4
Card can be protruded from, center hole 4 coordinates with lathe top 12, and lathe top 12 is withstood on eccentric shaft 5 to be processed on center hole 4
It is fixed between two clamp for machining, the latch 3 for positioning is additionally provided with the side；The card of disk pedestal opposite side
It is provided with eccentric pin 2, the both ends of eccentric shaft 5 to be processed also set up coaxial eccentric positioning hole 7, during processing, bias positioning
Pin 2 is withstood on eccentric positioning hole 7, realizes the processing to the eccentric shaft.
Eccentric pin 2 is uniformly distributed in the card of disk pedestal for three in 120 degree of three eccentricity axle.
Eccentric distance of the eccentric pin 2 on disk pedestal 1 is equal with the eccentric distance of eccentric shaft 5 to be processed, and partially
Heart alignment pin 2 is distributed across the eccentric distance of eccentric shaft 5 to be processed in disk pedestal 1 as on the circle of radius.
During installation, the contacts side surfaces of latch and machine chuck, prevent from rotating.Prevent eccentric shaft 5 and fixture to be processed
Turn same simultaneously with equipment, machining can not be realized.
Using the method for the above-mentioned circumferential general clamp for machining processing eccentric shaft of eccentric shaft, including give step：
(1) blank is received, rough turn, fine turning outer circle, excircle dimension and eccentric shaft maximum outside diameter size are identical to be added after smart car
The eccentric shaft of work, and ensure higher size and form and position tolerance, general excircle dimension allowance control exists（-0.02/0mm）, table
Surface roughness is not more than not less than Ra1.6, circle bounce no more than 0.03mm, left and right ends face with respect to the perpendicularity of cylinder axis
0.03。
(2) axle center hole is processed in eccentric shaft left and right ends face to be processed, ensures that two axle center holes are coaxial.
(3) eccentric positioning hole is processed in eccentric shaft left and right ends face to be processed, ensures that the two groups of positioning holes in left and right are coaxial,
Positioning hole is equal with eccentric shaft part eccentricity value relative to cylinder axis eccentric distance.
（4）Eccentric positioning hole 7 and the eccentric pin 2 on fixture are coordinated, each one of left and right, then fixture left end is top
With aiding in top 10 to coordinate, left end aids in top clamping on machine chuck 11 in hole, fixture right-hand member center hole and lathe top 12
Coordinate, realize the positioning and clamping of eccentric shaft part, such as Fig. 9 after the completion of clamping, and realize the turning or grinding of the first eccentric shaft 13
Processing.
(5) part is removed, holder part is retained on lathe, and part is rotated by 90 ° or 120 degree of clamping parts again, real
The turning or grinding of existing second eccentric shaft 14.
(6) repeat step（4）The processing of eccentric shaft 15 or the 4th eccentric shaft can be achieved.
(7) both ends technique chuck 9, eccentric shaft part completion of processing are cut off.
Embodiment 2
As shown in Fig. 4, Fig. 5 and figure, with embodiment 1 differ part,
Embodiment 3
As shown in Fig. 4, Fig. 5 and figure, a kind of circumferential general clamp for machining of eccentric shaft, including disk pedestal 1, disk pedestal 1
The card of side is provided with center hole 4, and the center hole 4 is located at the center of card（Circle centre position）, center hole 4 can protrude from card,
Center hole 4 and lathe top 12 coordinates, lathe top 12 withstand on center hole 4 by eccentric shaft 5 to be processed be fixed on two plus
Between clamping apparatus, the latch 3 for positioning is additionally provided with the side；The card of disk pedestal opposite side is provided with eccentric fixed
Position pin 2, the both ends of eccentric shaft 5 to be processed also set up coaxial eccentric positioning hole 7, and during processing, eccentric pin 2 withstands on eccentric fixed
On the hole 7 of position, the processing to the eccentric shaft is realized.
Or eccentric pin 2 is four in the card of disk pedestal, is uniformly distributed in 90 degree of four eccentric shafts.
Eccentric distance of the eccentric pin 2 on disk pedestal 1 is equal with the eccentric distance of eccentric shaft 5 to be processed, and partially
Heart alignment pin 2 is distributed across the eccentric distance of eccentric shaft 5 to be processed in disk pedestal 1 as on the circle of radius.
During installation, the contacts side surfaces of latch and machine chuck, prevent from rotating.Prevent eccentric shaft 5 and fixture to be processed
Turn same simultaneously with equipment, machining can not be realized.
Using the method for the above-mentioned circumferential general clamp for machining processing eccentric shaft of eccentric shaft with embodiment 1.
Claims (4)
- A kind of 1. general clamp for machining of circumferential eccentric shaft, it is characterised in that：Including disk pedestal（1）, the disk pedestal（1）One The card of side is provided with the center hole (4) that (12) top with lathe coordinate, and the latch (3) for positioning；Disk pedestal（1） The card of opposite side is provided with the eccentric positioning hole with being set on eccentric shaft to be processed（7）The eccentric pin of cooperation（2）.
- 2. the general clamp for machining of circumferential eccentric shaft according to claim 1, it is characterised in that：Described eccentric pin （2）In disk pedestal（1）Card in 120 degree three eccentricity axle or be uniformly distributed in 90 degree of four eccentric shafts.
- 3. the general clamp for machining of circumferential eccentric shaft according to claim 1, it is characterised in that：Eccentric pin（2）In circle Disk pedestal（1）On eccentric distance it is equal with the eccentric distance of eccentric shaft to be processed, and eccentric pin（2）In disk pedestal （1）The eccentric distance of eccentric shaft to be processed is distributed across as on the circle of radius.
- 4. the general clamp for machining of circumferential eccentric shaft according to claim 1, it is characterised in that：During installation, latch（3）With Machine chuck（11）Contacts side surfaces, prevent from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400852.9U CN206795267U (en) | 2017-04-17 | 2017-04-17 | A kind of general clamp for machining of circumferential eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400852.9U CN206795267U (en) | 2017-04-17 | 2017-04-17 | A kind of general clamp for machining of circumferential eccentric shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206795267U true CN206795267U (en) | 2017-12-26 |
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ID=60732660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400852.9U Active CN206795267U (en) | 2017-04-17 | 2017-04-17 | A kind of general clamp for machining of circumferential eccentric shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN206795267U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581566A (en) * | 2018-05-30 | 2018-09-28 | 昆山名威精密工业有限公司 | A kind of processing unit (plant) and its processing technology of automobile engine eccentric wheel |
| CN111185850A (en) * | 2018-10-28 | 2020-05-22 | 国营四达机械制造公司 | High-precision grinding and positioning tool and method for narrow-edge small-hole cheek plate part |
-
2017
- 2017-04-17 CN CN201720400852.9U patent/CN206795267U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581566A (en) * | 2018-05-30 | 2018-09-28 | 昆山名威精密工业有限公司 | A kind of processing unit (plant) and its processing technology of automobile engine eccentric wheel |
| CN108581566B (en) * | 2018-05-30 | 2023-10-27 | 昆山名威精密工业有限公司 | Machining device and machining process for eccentric wheel of automobile engine |
| CN111185850A (en) * | 2018-10-28 | 2020-05-22 | 国营四达机械制造公司 | High-precision grinding and positioning tool and method for narrow-edge small-hole cheek plate part |
| CN111185850B (en) * | 2018-10-28 | 2021-11-09 | 国营四达机械制造公司 | High-precision grinding and positioning tool and method for narrow-edge small-hole cheek plate part |
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