CN204235355U - The frock clamp of a kind of automobile axle shaft two ends endoporus grinding - Google Patents
The frock clamp of a kind of automobile axle shaft two ends endoporus grinding Download PDFInfo
- Publication number
- CN204235355U CN204235355U CN201420617936.4U CN201420617936U CN204235355U CN 204235355 U CN204235355 U CN 204235355U CN 201420617936 U CN201420617936 U CN 201420617936U CN 204235355 U CN204235355 U CN 204235355U
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- CN
- China
- Prior art keywords
- support
- axle shaft
- automobile axle
- holes
- support cylinder
- 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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Abstract
The utility model discloses the frock clamp of a kind of automobile axle shaft two ends endoporus grinding, it is characterized in that, comprise the base of fixture, the described left and right sides, base upper surface is provided with the left and right clamp structure of Parallel Symmetric; Described clamp structure comprises the support cylinder of described base upper end and two back-up blocks, locking briquetting, the support of inverted U, motor, screw mandrel, two screws and four nuts; Support cylinder top is provided with the first arc-shaped notch; Two back-up blocks arrange T-slot mouth; Two supports are fixedly connected with the inner side of support; Motor output shaft is fixedly connected with screw mandrel upper end; Screw mandrel lower end is connected with a joggle with locking briquetting threaded upper ends; Locking briquetting bottom is provided with the second arc-shaped notch; Locking briquetting is provided with T-shaped projection; Locking both sides, briquetting top are provided with two the second tapped through holes; Cradle top both sides are provided with two through holes; Two screws are assembled together through two the second tapped through holes, two nuts, two through holes and two other nut combinations respectively from top to bottom successively.This fixture has Quick-clamped, and positioning datum is unified, reduces labour intensity, improves the features such as clamping efficiency.
Description
Technical field
The utility model relates to a kind of frock clamp, particularly relates to the frock clamp of a kind of automobile axle shaft two ends endoporus grinding.
Background technology
The two ends of automobile axle shaft have centre bore to need grinding, two when carrying out lathe process to automobile axle shaft, general way adopts the direct clamping disk(-sc) portion of scroll chuck, and then hold out against the other end with thimble, there is following defect in this mode: it adopts manual operation scroll chuck to clamp, and operator's working strength is large, and efficiency is low, occur owing to shaking for a long time during work pieces process loosening, affect crudy; Cannot ensure half shaft centre line and thimble on the same line in addition, cause machining benchmark to be forbidden, percent defective is higher.
Utility model content
Because the above-mentioned defect of prior art, when technical problem to be solved in the utility model is to provide a kind of automobile axle shaft two ends endoporus attrition process, the positioning datum of automobile axle shaft can be unified, and can Quick-clamped, prevent from loosening, reduce clamping non-cutting time, the frock clamp of raising the efficiency.
For achieving the above object, the utility model provides the frock clamp of a kind of automobile axle shaft two ends endoporus grinding, it is characterized in that, comprises the base of fixture, the described left and right sides, base upper surface is provided with the left and right clamp structure of Parallel Symmetric; Described clamp structure comprises support cylinder that described base upper surface is fixedly connected with and two back-up blocks, locking briquetting, the support of inverted U, motor, screw mandrel, two screws and four nuts; Described support cylinder top is provided with the first arc-shaped notch of clamping automobile axle shaft bottom; Two described back-up blocks are arranged on the both sides, front and back of support cylinder and symmetrical relative to support cylinder center line; The contiguous support cylinder side of two described back-up blocks is provided with the T-slot mouth of vertical direction; Two described back-up blocks are fixedly connected with away from the inner side of support cylinder side with inverted U support; Described motor is fixed on cradle top; Described motor output shaft is fixedly connected with screw mandrel upper end; Described screw mandrel lower end is connected with a joggle with the first screwed hole of locking briquetting upper end; Described locking briquetting bottom is provided with second arc-shaped notch on clamping automobile axle shaft top; Described both sides, locking briquetting top are provided with two the T-shaped projections coordinated with T-slot mouth; Described both sides, locking briquetting top are provided with two the second tapped through holes; Described inverted U cradle top both sides are provided with two through holes; Two described screws are assembled together through two the second tapped through holes, two nuts, two through holes and two other nut combinations respectively from top to bottom successively; The second described tapped through hole and nut all coordinate with screw thread; Described through hole coordinates with screw clearances.
Further, described screw head is also fixedly connected with cylinder block; Described cylinder block external diameter is greater than screw thread external diameter, spacing safeguard protection effect.
Further, can not be mutually through with the second arc-shaped notch bottom the first screwed hole of described locking briquetting upper end, prevent screw mandrel from passing the second arc-shaped notch and automobile axle shaft causes colliding.
Further, two described back-up blocks are deviated from support cylinder side and are fixedly connected with by screw with inside support two, convenient installation, maintenance and dismounting.
Compared to existing technology, the beneficial effects of the utility model are: it is simple that the utility model has structure, easy to operate, can realize clamping fast, thus reduce labour intensity, raise the efficiency; Two the first arc-shaped notch of the Parallel Symmetric on two support cylinder tops are as positioning datum simultaneously, when on automobile axle shaft, two positions are compressed simultaneously, realize positioning datum unified, thus the position error of central shaft on minimizing automobile axle shaft, improve crudy and production efficiency, adopt dual clamping structure, can prevent from shaking and occurring loosening during work pieces process.
Accompanying drawing explanation
Fig. 1 is the automobile axle shaft structural representation of the frock clamp of the utility model-a kind of automobile axle shaft two ends endoporus grinding.
Fig. 2 is the forward right side perspective view of frock clamp when clamped condition of the utility model-a kind of automobile axle shaft two ends endoporus grinding.
Fig. 3 is the front left side perspective view of frock clamp when clamped condition of the utility model-a kind of automobile axle shaft two ends endoporus grinding.
Fig. 4 is the left view of frock clamp when clamped condition of the utility model-a kind of automobile axle shaft two ends endoporus grinding.
Fig. 5 is support cylinder and two back-up block perspective view that its base of frock clamp of the utility model-a kind of automobile axle shaft two ends endoporus grinding connects.
Fig. 6 is the locking briquetting forward right side perspective view of the frock clamp of the utility model-a kind of automobile axle shaft two ends endoporus grinding.
Fig. 7 is that perspective view looked up by the locking briquetting of the frock clamp of the utility model-a kind of automobile axle shaft two ends endoporus grinding.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figures 1 to 7, the frock clamp of a kind of automobile axle shaft two ends endoporus grinding, is characterized in that, comprise the base 1 of fixture, the described left and right sides, base 1 upper surface is provided with the left and right clamp structure of Parallel Symmetric; Described clamp structure comprises support cylinder 2 that described base 1 upper surface is fixedly connected with and two back-up blocks 11, locking briquetting 4, the support 5 of inverted U, motor 6, screw mandrel 7, two screws 3 and four nuts 8; Described support cylinder 2 top is provided with the first arc-shaped notch 21 of clamping automobile axle shaft 10 bottom; Two described back-up blocks 11 are arranged on the both sides, front and back of support cylinder 2 and symmetrical relative to support cylinder 2 center line; Contiguous support cylinder 2 side of two described back-up blocks 11 is provided with the T-slot mouth 31 of vertical direction; Two described back-up blocks 11 are fixedly connected with the inner side of inverted U support 5 away from support cylinder 2 side; Described motor 6 is fixed on support 5 top; Described motor 6 output shaft is fixedly connected with screw mandrel 7 upper end; Described screw mandrel 7 lower end is connected with a joggle with the first screwed hole 43 of locking briquetting 4 upper end; Described locking briquetting 4 bottom is provided with second arc-shaped notch 41 on clamping automobile axle shaft 10 top; Described both sides, locking briquetting 4 top are provided with two T-shaped protruding 42 that coordinate with T-slot mouth 31; Described both sides, locking briquetting 4 top are provided with two the second tapped through holes 44; Described both sides, support 5 top are provided with two through holes 51; Two described screws 3 are assembled together through two the second tapped through holes, 44, two nuts, 8, two through holes 51 and two other nut 8 combination respectively from top to bottom successively; The second described tapped through hole 44 and nut 8 all with screw 3 threaded engagement; Described through hole 51 and screw 3 matched in clearance; Described screw 3 top is also fixedly connected with cylinder block 52; Described cylinder block 52 external diameter is greater than screw 3 major diameter of thread; Can not be mutually through with the second arc-shaped notch 41 bottom first screwed hole 43 of described locking briquetting 4 upper end; Two described back-up blocks 11 are deviated from the 5 liang of inner sides in support cylinder 2 side and support and are fixedly connected with by screw 15.
As shown in Figures 1 to 7, during use, base 1 is fixed on the workbench of attrition process lathe, move upward with four nuts 8 at Wrench turn two support 5 tops and support 5 and nut 8 are unclamped, and reserved certain altitude distance, restart two motors 6, motor 6 drives screw mandrel 7 to rotate by 7 output shafts, and then screw mandrel 7 lower end is connected with a joggle with locking briquetting 4 threaded upper ends; Screw mandrel 7 act under drive locking briquetting 4 on both sides T-shaped protruding 42 along T-slot 31 slide straight up, screw 3 also upwards moves through through hole 51 in gap together simultaneously, second arc-shaped notch 41 of such locking briquetting 4 bottom constantly becomes large with support cylinder 2 top first arc-shaped notch about 21 the inside clearance distance, and during to certain safe distance, then automobile axle shaft 10 is placed in first arc-shaped notch 21 on two support cylinder 2 tops; Open two motors 6, motor 6 drives screw mandrel 7 to rotate by 7 output shafts, and then screw mandrel 7 lower end is connected with a joggle with locking briquetting 4 threaded upper ends; Screw mandrel 7 act under drive locking briquetting 4 on both sides T-shaped protruding 42 along T-slot 31 slide straight down; Four nuts 8 simultaneously with two support 5 tops also can move downward together, finally make two the second arc-shaped notch 41 and two the first arc-shaped notch 21 that the top and the bottom at automobile axle shaft 10 two ends are all compressed, turn two four, support 5 top nuts 8 are made itself and support 5 top are combined together by screw 3 and realize double locking again, can prevent from like this adding automobile axle shaft 10 vibrations for a long time in man-hour and loosening, and two positions of automobile axle shaft 10 clamp simultaneously; Finally close two motors 6 again.Because the first arc-shaped notch 21 center of now two support cylinder 2 of fixture is coaxial with the alignment of shafts of lathe, and two the first arc-shaped notch 21 are fixed, so during automobile axle shaft clamping, the center line of the two ends endoporus on its automobile axle shaft 10 is all consistent with machine tool chief axis, therefore can guarantee the accuracy of its machining benchmark.
As shown in Figures 1 to 7, screw 3 of the present utility model is assembled together through the combination of the second tapped through hole 44, nut 8, through hole 51 and another one nut 8 respectively from top to bottom successively; Can by regulating the cooperation position of nut 8 on screw 3 of lower end, carry out operation interval position and length on screw 3 to regulate, have the safe spacing effect as preventing screw mandrel 7 from encountering and bottom locking briquetting 4 upper end first screwed hole 43, it also has concurrently and prevents from pressing both sides T-shaped protruding 42 and T-slot 31 on block 4 and to come off the high safety position-limiting action of guide rail simultaneously.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (4)
1. a frock clamp for automobile axle shaft two ends endoporus grinding, is characterized in that, comprise the base (1) of fixture, left and right clamp structure that described base (1) left and right sides, upper surface is provided with Parallel Symmetric; Described clamp structure comprises support cylinder (2) that described base (1) upper surface is fixedly connected with and two back-up blocks (11), locking briquetting (4), the support (5) of inverted U, motor (6), screw mandrel (7), two screws (3) and four nuts (8); Described support cylinder (2) top is provided with first arc-shaped notch (21) of clamping automobile axle shaft (10) bottom; Two described back-up blocks (11) are arranged on the both sides, front and back of support cylinder (2) and symmetrical relative to support cylinder (2) center line; Contiguous support cylinder (2) side of two described back-up blocks (11) is provided with the T-slot mouth (31) of vertical direction; Two described back-up blocks (11) are fixedly connected with away from the inner side of support cylinder (2) side with support (5); Described motor (6) is fixed on support (5) top; Described motor (6) output shaft is fixedly connected with screw mandrel (7) upper end; Described screw mandrel (7) lower end is connected with a joggle with first screwed hole (43) of locking briquetting (4) upper end; Described locking briquetting (4) bottom is provided with second arc-shaped notch (41) on clamping automobile axle shaft (10) top; Described locking briquetting (4) both sides, top are provided with two the T-shaped projections (42) coordinated with T-slot mouth (31); Described locking briquetting (4) both sides, top are provided with two the second tapped through holes (44); Described support (5) both sides, top are provided with two through holes (51); Two described screws (3) are assembled together through two the second tapped through holes (44), two nuts (8), two through holes (51) and two other nut (8) combination respectively from top to bottom successively; Described the second tapped through hole (44) and nut (8) all with screw (3) threaded engagement; Described through hole (51) and screw (3) matched in clearance.
2. the frock clamp of a kind of automobile axle shaft two ends as claimed in claim 1 endoporus grinding, is characterized in that: described screw (3) top is also fixedly connected with cylinder block (52); Described cylinder block (52) external diameter is greater than screw (3) major diameter of thread.
3. the frock clamp of a kind of automobile axle shaft two ends as claimed in claim 1 endoporus grinding, is characterized in that: the first screwed hole (43) bottom of described locking briquetting (4) upper end can not be mutually through with the second arc-shaped notch (41).
4. the frock clamp of a kind of automobile axle shaft two ends as claimed in claim 1 endoporus grinding, is characterized in that: two described back-up blocks (11) are deviated from support cylinder (2) side and are fixedly connected with by screw (15) with inside support (5) two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617936.4U CN204235355U (en) | 2014-10-24 | 2014-10-24 | The frock clamp of a kind of automobile axle shaft two ends endoporus grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617936.4U CN204235355U (en) | 2014-10-24 | 2014-10-24 | The frock clamp of a kind of automobile axle shaft two ends endoporus grinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204235355U true CN204235355U (en) | 2015-04-01 |
Family
ID=52764907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617936.4U Expired - Fee Related CN204235355U (en) | 2014-10-24 | 2014-10-24 | The frock clamp of a kind of automobile axle shaft two ends endoporus grinding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204235355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480446A (en) * | 2019-07-09 | 2019-11-22 | 扬州市明和机械有限公司 | Polishing tool is used in a kind of processing of autocontrol worm screw |
| CN112161773A (en) * | 2020-09-29 | 2021-01-01 | 四川建安工业有限责任公司 | Impact test tool and impact test method for gears in main reducer of rear drive axle |
-
2014
- 2014-10-24 CN CN201420617936.4U patent/CN204235355U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480446A (en) * | 2019-07-09 | 2019-11-22 | 扬州市明和机械有限公司 | Polishing tool is used in a kind of processing of autocontrol worm screw |
| CN112161773A (en) * | 2020-09-29 | 2021-01-01 | 四川建安工业有限责任公司 | Impact test tool and impact test method for gears in main reducer of rear drive axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 401420 Chongqing city Qijiang District South Street Jinfu Road No. 3 Patentee after: Chongqing Jingjiang automobile axle Limited by Share Ltd Address before: 401420 Qijiang City Industrial Park, A District, Chongqing Patentee before: Chongqing Jingjiang Automobile Axle Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20201024 |