CN112676892A - Clamping device for turning eccentric rotary part - Google Patents
Clamping device for turning eccentric rotary part Download PDFInfo
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- CN112676892A CN112676892A CN202011507530.7A CN202011507530A CN112676892A CN 112676892 A CN112676892 A CN 112676892A CN 202011507530 A CN202011507530 A CN 202011507530A CN 112676892 A CN112676892 A CN 112676892A
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- reference plane
- machined
- eccentric rotary
- eccentric
- fixing
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Abstract
The application discloses eccentric gyration part lathe work's clamping device, the device includes: a base and a fixing part; the base comprises a connecting part and a reference plane part; the connecting part is used for fixing the clamping device on a lathe, and the center of the connecting part is superposed with the center of a lathe spindle; the reference plane part is vertically connected with the connecting part, the distance between the plane of the reference plane part and the central axis of the connecting part is equal to the eccentric distance of the eccentric rotary part to be machined, the reference plane part is used for placing the eccentric rotary part to be machined, and the center of the eccentric rotary part to be machined is superposed with the center of the connecting part; and the fixing part is arranged on the reference plane part and is used for fixing the eccentric rotary part to be processed on the reference plane part. The technical problem that clamping efficiency of eccentric gyration type part is lower among the prior art has been solved in this application.
Description
Technical Field
The application relates to the technical field of machine manufacturing, in particular to a clamping device for turning eccentric rotary parts.
Background
With the characteristic that the numerical control lathe is machined, the structure of the rotary surface is more and more complex, the requirement on a clamping device required by the numerical control lathe is higher and higher, the clamping device is used as a process device for clamping workpieces, and in the production process, the clamping device is an indispensable process device and can influence the machining precision, the production efficiency and the like. Various types of parts can be machined by numerical control machining, for example, an eccentric rotary type part is one of the machined parts of the data machining. When the numerical control lathe processes eccentric rotary parts, the rotation center of the parts must coincide with the rotation center of a machine tool spindle, and when the structural part capable of clamping the parts is of an irregular structure or the part to be processed is not positioned on the rotation center of the spindle, a special clamping tool is needed to position the parts so that the part to be processed is positioned at the rotation center of the spindle, so as to complete turning.
At present, when an eccentric rotary part is machined through numerical control turning, a four-jaw chuck is often adopted to clamp the eccentric rotary part, when a structural part of the clamping is of an irregular structure or a part to be machined is not located on the rotary center of a main shaft, each jaw of the four-jaw chuck is respectively adjusted to enable the main shaft of the part to be machined to be located on a rotary axis, and then the eccentric rotary part is clamped through the four-jaw chuck. When the four-jaw chuck is used for clamping the eccentric rotary part, each jaw of the four-jaw chuck needs to be adjusted respectively, so that the clamping time is long, and the clamping efficiency of the eccentric rotary part is low.
Disclosure of Invention
The technical problem that this application was solved is: the clamping device for turning the eccentric rotary part is provided aiming at the problem that the clamping efficiency of the eccentric rotary part in the prior art is low. Therefore, the center of the eccentric rotary part to be machined can be directly superposed with the center of the main shaft of the lathe in the process of clamping the eccentric rotary part to be machined, the time consumed by clamping is reduced, and the clamping efficiency of the eccentric rotary part is improved.
In a first aspect, an embodiment of the present application provides a clamping device for turning of an eccentric rotating part, the device includes: a base and a fixing part; wherein the content of the first and second substances,
the base comprises a connecting part and a reference plane part; the connecting part is used for fixing the clamping device on a lathe, and the center of the connecting part is superposed with the center of a lathe spindle; the reference plane part is vertically connected with the connecting part, the distance between the plane of the reference plane part and the central axis of the connecting part is equal to the eccentric distance of the eccentric rotary part to be machined, the reference plane part is used for placing the eccentric rotary part to be machined, and the center of the eccentric rotary part to be machined is superposed with the center of the connecting part;
the fixing part is arranged on the reference plane part and used for fixing the eccentric rotary part to be processed on the reference plane part.
In the scheme that this application embodiment provided, through set up the plane of benchmark plane portion with distance between the connecting portion axis equals with the eccentric distance of waiting to process eccentric gyration part for when waiting to process eccentric gyration part and place on the plane of benchmark plane portion, wait to process the center of eccentric gyration part and the center coincidence of connecting portion, wait to process the center of eccentric gyration part promptly and the main shaft center coincidence of lathe. Therefore, the center of the eccentric rotary part to be machined can be directly superposed with the center of the main shaft of the lathe in the process of clamping the eccentric rotary part to be machined, the time consumed by clamping is reduced, and the clamping efficiency of the eccentric rotary part is improved.
Optionally, the fixing portion includes: the eccentric rotary part processing device comprises a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are arranged on two sides of the eccentric rotary part to be processed and are parallel to the placement direction of the eccentric rotary part to be processed, and the first fixing part and the second fixing part are used for pressing the eccentric rotary part to be processed on the plane of the reference plane part.
Optionally, the first fixing portion and the second fixing portion each include a cushion block, a pressing plate, and a bolt, wherein the cushion block is disposed on a plane of the reference plane portion and perpendicular to the plane; the pressing plate is arranged on the cushion block and is vertical to the cushion block; the bolt is arranged on the cushion block and is used for fixedly connecting the cushion block with the pressing plate.
Alternatively, the connecting portion and the reference plane portion are integrally provided.
Optionally, the fixing portion further includes: a limiting block; the limiting block is arranged on the plane of the reference plane portion, connected with the eccentric rotary part to be machined and used for limiting the position of the eccentric rotary part to be machined.
Optionally, the limiting block is a pentagonal block structure.
Drawings
Fig. 1 is a schematic structural diagram of a clamping device for turning an eccentric rotating part according to an embodiment of the present application;
FIG. 2 is a front view of a clamping device for turning eccentric rotary parts according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a clamping device for turning eccentric rotary parts according to an embodiment of the present application.
Detailed Description
In order to better understand the technical solutions, the technical solutions of the present application are described in detail below with reference to the drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1, the clamping device for turning of an eccentric rotating part provided in an embodiment of the present application includes: a base 1 and a fixing portion 2; wherein the content of the first and second substances,
the base 1 includes a connection portion 11 and a reference plane portion 12; the connecting part 11 is used for fixing the clamping device on a lathe, and the center of the connecting part is superposed with the center of a lathe spindle; the reference plane part 12 is vertically connected with the connecting part 11, the distance between the plane of the reference plane part 12 and the central axis of the connecting part 11 is equal to the eccentric distance of the eccentric rotating part to be machined, the reference plane part is used for placing the eccentric rotating part to be machined, and the center of the eccentric rotating part to be machined is superposed with the center of the connecting part 11;
the fixing portion 2 is disposed on the reference plane portion 12, and is configured to fix the eccentric rotating component to be processed on the reference plane portion 12.
Specifically, in the solution provided in the embodiment of the present application, the connection portion 11 may be a cylindrical component with a certain thickness, and may also be a component with another shape, which may be modified according to actual requirements, and is not limited herein. The connecting part 11 is connected with a chuck on a lathe and used for fixing the clamping device on the lathe.
If the connecting portion 11 can be a cylindrical component with a certain thickness, the reference plane portion 12 is a cylindrical component smaller than 1/2 cut in a direction parallel to a central axis of the cylindrical structure, and the diameter of the cylindrical structure corresponding to the reference plane portion 12 is the same as the diameter of the cylindrical component corresponding to the connecting portion 11.
Referring to fig. 2, a front view of a clamping device for turning an eccentric rotating part according to an embodiment of the present application is provided. In fig. 2, the distance between the plane of the reference plane portion 12 and the central axis of the connecting portion 11 is equal to the eccentric distance of the eccentric rotating part to be machined, and when the eccentric rotating part to be machined is placed on the reference plane portion 12, the side of the eccentric rotating part to be machined, which is deviated from the center, is placed away from the reference plane portion 12, so that the center of the eccentric rotating part to be machined coincides with the center of the connecting portion 11.
Further, in the solution provided in the embodiment of the present application, the connection portion 11 and the reference plane portion 12 are vertically disposed, and there are various ways in which the connection portion 11 and the reference plane portion 12 are vertically disposed, and one of them is taken as an example for description.
In a possible implementation, the connection portion 11 and the reference plane portion 12 are integrally provided.
In the solution provided in the embodiment of the present application, the connection portion 11 and the reference plane portion 12 may be integrally machined in the manufacturing process, or the connection portion 11 and the reference plane portion 12 may be integrally connected by a screw or a snap.
Further, in the solution provided in the embodiment of the present application, there are various structures of the fixing portion 2, and one of the structures is described as an example below.
In a possible implementation manner, the fixing portion 2 includes: the first fixing portion 21 and the second fixing portion 22 are disposed on two sides of the to-be-machined eccentric rotary part, and the first fixing portion 21 and the second fixing portion 22 are parallel to the placement direction of the to-be-machined eccentric rotary part, and are used for pressing the to-be-machined eccentric rotary part onto the plane of the reference plane portion 12.
Further, in a possible implementation manner, each of the first fixing portion 21 and the second fixing portion 22 includes a cushion block 23, a pressure plate 24, and a bolt 25, wherein the cushion block 23 is disposed on a plane of the reference plane portion 12 and perpendicular to the plane; the pressing plate 24 is arranged on the cushion block 23 and is perpendicular to the cushion block 23; the bolts 25 are arranged on the cushion block 23 and used for fixedly connecting the cushion block 23 and the pressing plate 24.
Further, in order to avoid the movement of the eccentric rotary part to be machined on the plane of the reference plane portion 12, in a possible implementation, with reference to fig. 2, the fixed portion 2 further comprises: a stop block 26; the limiting block 26 is disposed on the plane of the reference plane portion 12, and is connected to the eccentric rotating part to be processed, so as to limit the position of the eccentric rotating part to be processed.
Specifically, in the scheme that this application embodiment provided, in order to realize stopper 26 and wait to process eccentric gyration part and be connected, can set up groove structure in waiting to process eccentric gyration part upper midline axis lower position, this groove structure's shape is the same with stopper 26's shape, and groove structure's size slightly is greater than stopper 26's size.
Further, in the solution provided in this application, the position process of the limiting block 26 disposed on the plane of the reference plane portion 12 is to determine a reference line parallel to the central axis of the connecting portion 11 on the plane of the reference plane portion 12, and the limiting block 26 is disposed along the reference line and is symmetrical based on the reference line.
Further, referring to fig. 3, in one possible implementation, the stopper 26 is a pentagonal block structure.
Specifically, in the scheme provided by the embodiment of the present application, when the limiting block 26 is a pentagonal block structure, the degree of freedom in 5 directions of the eccentric rotary part to be processed can be limited.
In the scheme that this application embodiment provided, through the plane that sets up reference plane portion 12 with distance between the axis of connecting portion 11 equals with the eccentric distance of waiting to process eccentric gyration part for when waiting to process eccentric gyration part and place on the plane of reference plane portion 12, wait to process the center of eccentric gyration part and the center coincidence of connecting portion 11, wait to process the center of eccentric gyration part promptly and the main shaft center coincidence of lathe. Therefore, the center of the eccentric rotary part to be machined can be directly superposed with the center of the main shaft of the lathe in the process of clamping the eccentric rotary part to be machined, the time consumed by clamping is reduced, and the clamping efficiency of the eccentric rotary part is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (6)
1. The utility model provides an eccentric gyration part lathe work's clamping device which characterized in that includes: a base (1) and a fixing part (2); wherein the content of the first and second substances,
the base (1) comprises a connecting part (11) and a reference plane part (12); the connecting part (11) is used for fixing the clamping device on a lathe, and the center of the connecting part is superposed with the center of a lathe spindle; the reference plane part (12) is vertically connected with the connecting part (11), the distance between the plane of the reference plane part (12) and the central axis of the connecting part (11) is equal to the eccentric distance of the eccentric rotary part to be machined, the reference plane part is used for placing the eccentric rotary part to be machined, and the center of the eccentric rotary part to be machined is superposed with the center of the connecting part (11);
the fixing part (2) is arranged on the reference plane part (12) and used for fixing the eccentric rotary part to be machined on the reference plane part (12).
2. The device according to claim 1, characterized in that said fixed part (2) comprises: the machining fixture comprises a first fixing portion (21) and a second fixing portion (22), wherein the first fixing portion (21) and the second fixing portion (22) are arranged on two sides of an eccentric rotary part to be machined, are parallel to the placement direction of the eccentric rotary part to be machined and are used for pressing the eccentric rotary part to be machined on the plane of a reference plane portion (12).
3. The device according to claim 1, characterized in that the first fixing portion (21) and the second fixing portion (22) each comprise a spacer block (23), a pressure plate (24) and a bolt (25), wherein,
the cushion block (23) is arranged on the plane of the reference plane part (12) and is vertical to the plane;
the pressing plate (24) is arranged on the cushion block (23) and is perpendicular to the cushion block (23);
the bolts (25) are arranged on the cushion blocks (23) and used for fixedly connecting the cushion blocks (23) with the pressing plate (24).
4. A device according to claim 3, characterized in that the connection portion (11) and the reference plane portion (12) are provided integrally.
5. The device according to any of the claims 1 to 4, wherein the fixing portion (2) further comprises: a stop block (26); the limiting block (26) is arranged on the plane of the reference plane portion (12), is connected with the eccentric rotary part to be machined and is used for limiting the position of the eccentric rotary part to be machined.
6. The device as claimed in claim 5, characterized in that the stop block (26) is a pentagonal block-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507530.7A CN112676892A (en) | 2020-12-18 | 2020-12-18 | Clamping device for turning eccentric rotary part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507530.7A CN112676892A (en) | 2020-12-18 | 2020-12-18 | Clamping device for turning eccentric rotary part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112676892A true CN112676892A (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011507530.7A Pending CN112676892A (en) | 2020-12-18 | 2020-12-18 | Clamping device for turning eccentric rotary part |
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| Country | Link |
|---|---|
| CN (1) | CN112676892A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1116152A (en) * | 1963-11-11 | 1968-06-06 | Autodyne Engineering Ltd | Means for locating a workpiece in a required machining position on a faceplate of a lathe, or on the table of a milling machine |
| WO2011089428A1 (en) * | 2010-01-19 | 2011-07-28 | Alfred Hamer | Workpiece-holding jig for a lathe |
| CN102862078A (en) * | 2012-10-19 | 2013-01-09 | 江苏腾旋科技股份有限公司 | Flange connecting type multipurpose machining mechanism for side holes |
| CN205043514U (en) * | 2015-09-29 | 2016-02-24 | 浙江华天机械有限公司 | Car eccentric orfice rotary device of oil pump |
| CN106002421A (en) * | 2016-06-16 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Special-shaped part turning fixture and application method thereof |
| CN107627115A (en) * | 2016-07-19 | 2018-01-26 | 湖北三江航天万山特种车辆有限公司 | A kind of turning positioner |
| CN207127562U (en) * | 2017-08-21 | 2018-03-23 | 西安航天发动机厂 | Cube shaped part connects mouth finishing fixture |
| CN208945696U (en) * | 2018-11-07 | 2019-06-07 | 汇润电气有限公司 | A kind of eccentric element fixture |
-
2020
- 2020-12-18 CN CN202011507530.7A patent/CN112676892A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1116152A (en) * | 1963-11-11 | 1968-06-06 | Autodyne Engineering Ltd | Means for locating a workpiece in a required machining position on a faceplate of a lathe, or on the table of a milling machine |
| WO2011089428A1 (en) * | 2010-01-19 | 2011-07-28 | Alfred Hamer | Workpiece-holding jig for a lathe |
| CN102862078A (en) * | 2012-10-19 | 2013-01-09 | 江苏腾旋科技股份有限公司 | Flange connecting type multipurpose machining mechanism for side holes |
| CN205043514U (en) * | 2015-09-29 | 2016-02-24 | 浙江华天机械有限公司 | Car eccentric orfice rotary device of oil pump |
| CN106002421A (en) * | 2016-06-16 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Special-shaped part turning fixture and application method thereof |
| CN107627115A (en) * | 2016-07-19 | 2018-01-26 | 湖北三江航天万山特种车辆有限公司 | A kind of turning positioner |
| CN207127562U (en) * | 2017-08-21 | 2018-03-23 | 西安航天发动机厂 | Cube shaped part connects mouth finishing fixture |
| CN208945696U (en) * | 2018-11-07 | 2019-06-07 | 汇润电气有限公司 | A kind of eccentric element fixture |
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Application publication date: 20210420 |
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