CN202780589U - Lathe fixture for hub reduction gear frame - Google Patents
Lathe fixture for hub reduction gear frame Download PDFInfo
- Publication number
- CN202780589U CN202780589U CN 201220485566 CN201220485566U CN202780589U CN 202780589 U CN202780589 U CN 202780589U CN 201220485566 CN201220485566 CN 201220485566 CN 201220485566 U CN201220485566 U CN 201220485566U CN 202780589 U CN202780589 U CN 202780589U
- Authority
- CN
- China
- Prior art keywords
- slide block
- reduction gear
- sliding piece
- hub reduction
- clamp
- 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 - Fee Related
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- Gears, Cams (AREA)
Abstract
The utility model provides a lathe fixture for a hub reduction gear frame. The lathe fixture for the hub reduction gear frame comprises a fixture body. A connecting flange with a lathe chuck is arranged on one end of the fixture body. A supporting outer round surface of the hub reduction gear frame is arranged on the fixture body. 2 to 4 steering grooves are respectively arranged evenly along a circumference at two ends of the fixture body. The two ends of the fixture body correspond to the supporting outer round surface. Clamping pieces are installed in steering grooves. Supporting grooves are arranged on a first sliding piece and a second sliding piece. The first sliding piece and the second sliding piece are arranged in an inner cavity of the fixture body. The bottom portion of the supporting grooves is an inclined plane. The tail end of the clamping piece is supported on the supporting grooves. A returning spring device of the clamping pieces is arranged between the steering grooves and the clamping pieces. Thread sleeves are fixed on the center of the first sliding piece. Steering sleeves are fixed on the center of the second sliding piece. A locking bolt passes through the steering sleeves of the second sliding piece. The front end of the locking bolt is installed on the thread sleeves of the first sliding piece in a rotating mode. The head portion of the locking bolt is arranged on an upper limiting position of the first sliding piece through baffles. A movable wrench and the locking bolt are used in a matching mode.
Description
Technical field
The utility model relates to a kind of turning attachment for the hub reduction gear framework, is used for the cylindrical at lathe processing hub reduction gear framework.
Background technology
Hub reduction gear framework barrel assembly is on automobile axle housing and wheel hub, and fitted position and precision are for stationarity, speed and every element of running car important all.At present, the outer bowlder of processing hub reduction gear framework, with hydraulic pressure scroll chuck clamping endoporus, the hub reduction gear framework is because Action of Gravity Field, rear side can produce slightly sagging, cause in clamping process the axiality of hub reduction gear framework endoporus and cylindrical uncontrollable, therefore in the size process, can not directly effectively guarantee excircle dimension precision and Geometrical Tolerance Principle.Simultaneously, extrude indentation in the inner hole wall chamber easily with hydraulic pressure scroll chuck clamping, it is attractive in appearance to affect product.
Summary of the invention
In order to guarantee dimensional accuracy and the Geometrical Tolerance Principle of hub reduction gear framework cylindrical, the utility model proposes the turning attachment for the hub reduction gear framework.
For the attainment of one's purpose, the technical solution adopted in the utility model is: the turning attachment that is used for the hub reduction gear framework, comprise chuck body, one end of chuck body is the adpting flange with lathe chuck, chuck body is provided with the support periphery of hub reduction gear framework, it is characterized in that: being uniformly distributed along the circumference respectively corresponding to the two ends of supporting periphery on the chuck body is provided with 2-4 gathering sill, clamp is housed in the gathering sill, in the chuck body inner chamber, be provided with the first slide block and the second slide block, the support slot on inclined-plane bottom be respectively equipped with corresponding with the position of clamp on the first slide block and the second slide block, the end support of clamp is provided with the return spring device of clamp between gathering sill and the clamp on support slot; The center of the first slide block is fixed with thread bush, and the center of the second slide block is fixed with fairlead; Clamping screw passes the fairlead on the second slide block, the front end spinning of clamping screw on the thread bush of the first slide block, the head of clamping screw by block in the first cap slider position; Monkey wrench and clamping screw support the use.
Beneficial effect: during clamping, the hub reduction gear framework is fixed on the chuck body, by monkey wrench twisting clamping screw, the simultaneously outside expanding fixture bearing up pulley side reducer framework of clamp, turning adds man-hour, the endoporus of hub reduction gear framework and the axiality of cylindrical can guarantee at least within 0.05 millimeter, and hub reduction gear framework endoporus is without this trace, without scratching.Compare with traditional hydraulic pressure scroll chuck clamping, obviously reduced workman's labour intensity, production efficiency also is significantly improved.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is along the A-A profile among Fig. 1.
The specific embodiment
Such as Fig. 1, shown in 2, it is as follows to further describe the utility model: the turning attachment that is used for the hub reduction gear framework, comprise chuck body 1, one end of chuck body is the adpting flange with lathe chuck, chuck body is provided with the support periphery of hub reduction gear framework, be uniformly distributed along the circumference respectively corresponding to the two ends of supporting periphery on the chuck body 1 and be provided with 2-4 gathering sill, clamp 2 is housed in the gathering sill, in the chuck body inner chamber, be provided with the first slide block 3 and the second slide block 4, the support slot on inclined-plane bottom be respectively equipped with corresponding with the position of clamp on the first slide block 3 and the second slide block 4, the end support of clamp 2 is provided with the return spring device of clamp between gathering sill and the clamp 2 on support slot; The center that the center of the first slide block is fixed with thread bush 5, the second slide blocks is fixed with fairlead 6; Clamping screw 8 passes the fairlead on the second slide block, the front end spinning of clamping screw on the thread bush of the first slide block, the head of clamping screw by block 7 in the first cap slider position; Monkey wrench and clamping screw support the use.
As shown in Figure 1, be provided with positive stop 9 in the outside of the first slide block 3, limit the moving limit position of the first slide block 3.
As shown in Figure 2, a kind of mechanism of return spring device: the both sides at clamp 2 are provided with boss, are provided with the container cavity of boss in the gathering sill, suit Compress Spring 10 on the bolt 11, and bolt 11 is connected on the container cavity bottom surface of boss after passing the boss hole of clamp 2.
Operation principle of the present utility model:
1, the jig main body left end is connected with the terminal pad of lathe chuck, and hub reduction gear framework B (shown in Figure 1) is enclosed within on the chuck body from an end, and the outer face of hub reduction gear framework and chuck body right side are close to spacing;
2, tighten clockwise clamping screw with monkey wrench, two slide blocks are drawn close to the centre along chamber body, then can only move upward in vertical direction by the compact heap that the inclined-plane is connected with two slide blocks, thereby produce outside extruding force, six compress simultaneously extruded frame part of pawl, automatic capturing, compression; Take off monkey wrench;
3, roughing and fine finishining cylindrical, end face;
4, become flexible counterclockwise clamping screw with monkey wrench, two slide blocks outwards separate along chamber body, and compact heap no longer is subjected to the inclined-plane extruding force, thereby retracts under the effect of spring, and part is loosening, take out part.
Claims (2)
1. the turning attachment that is used for the hub reduction gear framework, comprise chuck body, one end of chuck body is the adpting flange with lathe chuck, chuck body is provided with the support periphery of hub reduction gear framework, it is characterized in that: being uniformly distributed along the circumference respectively corresponding to the two ends of supporting periphery on the chuck body is provided with 2-4 gathering sill, clamp is housed in the gathering sill, in the chuck body inner chamber, be provided with the first slide block and the second slide block, the support slot on inclined-plane bottom be respectively equipped with corresponding with the position of clamp on the first slide block and the second slide block, the end support of clamp is provided with the return spring device of clamp between gathering sill and the clamp on support slot; The center of the first slide block is fixed with thread bush, and the center of the second slide block is fixed with fairlead; Clamping screw passes the fairlead on the second slide block, the front end spinning of clamping screw on the thread bush of the first slide block, the head of clamping screw by block in the first cap slider position; Monkey wrench and clamping screw support the use.
2. the turning attachment for the hub reduction gear framework according to claim 1, it is characterized in that: the outside at the first slide block is provided with positive stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220485566 CN202780589U (en) | 2012-09-22 | 2012-09-22 | Lathe fixture for hub reduction gear frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220485566 CN202780589U (en) | 2012-09-22 | 2012-09-22 | Lathe fixture for hub reduction gear frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202780589U true CN202780589U (en) | 2013-03-13 |
Family
ID=47807928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220485566 Expired - Fee Related CN202780589U (en) | 2012-09-22 | 2012-09-22 | Lathe fixture for hub reduction gear frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202780589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480378A (en) * | 2019-08-27 | 2019-11-22 | 南京中船绿洲机器有限公司 | A kind of clamping device for processing and clamping method of thin-walled frame |
-
2012
- 2012-09-22 CN CN 201220485566 patent/CN202780589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480378A (en) * | 2019-08-27 | 2019-11-22 | 南京中船绿洲机器有限公司 | A kind of clamping device for processing and clamping method of thin-walled frame |
| CN110480378B (en) * | 2019-08-27 | 2024-05-17 | 南京中船绿洲机器有限公司 | Machining clamping device and clamping method for thin-wall frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150922 |
|
| EXPY | Termination of patent right or utility model |