CN204171387U - A kind of expanding positioning mandrel clamp - Google Patents
A kind of expanding positioning mandrel clamp Download PDFInfo
- Publication number
- CN204171387U CN204171387U CN201420401643.2U CN201420401643U CN204171387U CN 204171387 U CN204171387 U CN 204171387U CN 201420401643 U CN201420401643 U CN 201420401643U CN 204171387 U CN204171387 U CN 204171387U
- Authority
- CN
- China
- Prior art keywords
- ball head
- rigidity axle
- expansion block
- column
- head column
- 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
Links
Abstract
The utility model relates to a kind of fixture, particularly relate to a kind of expanding positioning mandrel clamp, comprise firm banking, upper end cover, rigidity axle, support column and expansion block, expansion block is provided with at least two ball head columns, the main body of described ball head column is cylindrical, and one end is fixed in expansion block, and the other end is ball, locating hole on ball head column is long-armed through support column and rigidity mandrel contacts comprise at least two expansion blocks and at least two support columns, and expansion block and support column are uniformly distributed along on rigidity axle axis direction; Described rigidity axle is provided with the groove corresponding with the quantity of ball head column and position.The expanding positioning mandrel clamp that the utility model provides can be clamped by the mobile location controlling expansion block and workpiece that resets of rigidity axle and be departed from, and action is simple and reliable, and the regulated quantity of diameter is larger; The workpiece of applicable different-diameter, if the outer diameter shape and the distribution that change expansion block, can be suitable for the workpiece lumen of various shape, as square or polygon etc.
Description
Technical field
The utility model relates to a kind of fixture, particularly relates to a kind of expanding positioning mandrel clamp.
Background technology
In machinery industry, many hole axles are had to coordinate and orientation problem.The kind of apotting spindle is adopted to have rigidity axle, elastic spindle, multiple-piece expanding arbor usual to endoporus.The required precision of rigidity axle to inner hole of workpiece size is high; The Principles of Regulation of elastic spindle and multiple-piece expanding arbor are all adjust the fit diameter with workpiece by tapered sleeve moving axially in rigidity axle, and thus the regulated quantity of diameter is limited; The inner hole of workpiece of different series needs to prepare multiple tapered sleeve.The handling of workpiece are not too convenient, more time-consuming.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of expanding positioning mandrel clamp.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of expanding positioning mandrel clamp, comprise firm banking, upper end cover, rigidity axle, support column and expansion block, the two ends of wherein said rigidity axle are each passed through the hole on firm banking and upper end cover, and rigidity axle can only be moved vertically under the constraint of firm banking and upper end cover; Rigidity axle is connected with actuating unit through one end of firm banking, and rigidity axle can be driven to carry out axially reciprocating; Described support column is L-type, and its galianconism is fixed on firm banking, its long-armed one end to be fixed on upper end cover and with described rigidity centre axis parallel; Described expansion block is provided with at least two ball head columns, the main body of described ball head column is cylindrical, one end is fixed in expansion block, the other end is ball, locating hole on ball head column is long-armed through support column and rigidity mandrel contacts, locating hole matches with ball head column, makes ball head column that expansion block can be driven along the axially-movable of ball head column;
Described expanding positioning mandrel clamp comprises at least two expansion blocks and at least two support columns, and expansion block and support column are uniformly distributed along on rigidity axle axis direction; Described rigidity axle is provided with the groove corresponding with the quantity of ball head column and position; When described actuating unit drives rigidity axle to move to make ball head column to bottom portion of groove, expanding positioning mandrel clamp is in release conditions; When ball head column moves out groove gradually, ball head column promotes expansion block workpiece pressing inwall, to play the effect of stretching workpiece.
Preferably, rigidity axle is connected with positioning end cover through one end of firm banking, and the diameter of positioning end cover is greater than the hole on firm banking, can limit the distance of rigidity axle to the movement of upper end cover direction; The opposite side of positioning end cover connects actuating unit.
Preferably, mounting spring between described positioning end cover and firm banking, under the action of the spring, ball head column is in bottom portion of groove, and expanding positioning mandrel clamp is in release conditions; Actuating unit applies pressure to positioning end cover, and after overcoming spring force, ball head column shifts out groove, promotes expansion block workpiece pressing inwall, to play the effect of stretching workpiece.
Preferably, described firm banking is provided with directional bond, and the corresponding site of described rigidity axle has guide slot, matches with directional bond, prevents rigidity central axis.
Preferably, the contact surface of described rigidity axle and ball head column is plane, and contact is reliable.
Preferably, described ball head column inside is also provided with ball head column spring, and the ball of ball head column one end and ball head column spring interface touch, and ball head column spring plays fine setting effect, enables three expansion blocks concentric.
Preferably, 2-4 expansion block and support column is provided with in a set of described expanding positioning mandrel clamp.
Preferably, described expansion block is provided with 2-4 ball head column, mates therewith, and rigidity axle is provided with the groove suitable with ball head column quantity.
The beneficial effects of the utility model there are provided a kind of expanding positioning mandrel clamp, and can be clamped by the mobile location controlling expansion block and workpiece that resets of rigidity axle and be departed from, action be simple and reliable, and the regulated quantity of diameter is larger; The workpiece of applicable different-diameter, if the outer diameter shape and the distribution that change expansion block, can be suitable for the workpiece lumen of various shape, as square or polygon etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of expanding positioning mandrel clamp detailed description of the invention of the present utility model.
Fig. 2 is the sectional view of expanding positioning mandrel clamp detailed description of the invention of the present utility model.
Fig. 3 is that the A-A of expanding positioning mandrel clamp detailed description of the invention of the present utility model is to sectional view.
Fig. 4 is the ball head column detailed description of the invention structural representation of expanding positioning mandrel clamp of the present utility model.
Reference numeral: 1. firm banking; 2. upper end cover; 3. rigidity axle; 4. support column; 5. expansion block; 6. actuating unit; 7. ball head column; 71. balls; 72. ball head column springs; 8. groove; 9. positioning end cover; 91. springs; 10. directional bond; 11. workpiece.
Detailed description of the invention
Fig. 1,2 and 3 shows the detailed description of the invention of expanding positioning mandrel clamp of the present utility model, comprise firm banking 1, upper end cover 2, rigidity axle 3, support column 4 and expansion block 5, wherein the two ends of rigidity axle 3 are each passed through the hole on firm banking 1 and upper end cover 2, and rigidity axle 3 can only be moved vertically under the constraint of firm banking 1 and upper end cover 2; Rigidity axle 3 is connected with positioning end cover 9 through one end of firm banking 1, and the diameter of positioning end cover 9 is greater than the hole on firm banking 1, can limit the distance of rigidity axle 3 to upper end cover 2 direction movement; Mounting spring 91 between positioning end cover 9 and firm banking 1; The opposite side of positioning end cover 9 connects actuating unit and is connected with actuating unit 6, and described actuating unit 6 is cylinders, and cylinder and spring 91 cooperation make rigidity axle 3 to move back and forth; Described support column 4 is L-type, and its galianconism is fixed on firm banking 1, and its long-armed one end to be fixed on upper end cover 2 and parallel with described rigidity axle 3; Described expansion block 5 is provided with two ball head columns 7, and as shown in Figure 4, the main body of ball head column 7 is cylindrical, and one end is fixed in expansion block 5, and inside is provided with ball head column spring 72, and the top of ball head column spring 72 is connected with ball 71; Locating hole on ball head column 7 is long-armed through support column 4 contacts with rigidity axle 4, and locating hole matches with ball head column 7, makes ball head column 7 that expansion block 5 can be driven to move vertically.
Expanding positioning mandrel clamp comprises three expansion blocks 5 and three support columns 4, and expansion block 5 and support column 4 are uniformly distributed along on rigidity axle 3 axis direction; Rigidity axle 3 is provided with six grooves 8 corresponding with the position of ball head column 7; When actuating unit 6 drives rigidity axle 3 to move to make bottom ball head column 7 to groove 8, expanding positioning mandrel clamp is in release conditions; When ball head column 7 moves out groove 8 gradually, ball head column 7 promotes expansion block 5 stretching workpiece 11 inwall, to play the effect of fixation workpiece 11.
Rigidity axle 3 is hexagon, is plane with ball 71 contact portion in ball head column 7, ensures position and the precision of contact point.
More than display only describes principal character of the present utility model and main points.Those skilled in the art should understand, and the utility model is not restricted to the described embodiments.Under the prerequisite not departing from inventive point and protection domain, the utility model also has various change, and these changes and improvements all will fall in the claimed scope of the utility model.
Claims (8)
1. an expanding positioning mandrel clamp, comprise firm banking (1), upper end cover (2), rigidity axle (3), support column (4) and expansion block (5), the two ends of wherein said rigidity axle (3) are each passed through the hole on firm banking (1) and upper end cover (2); Rigidity axle (3) is connected with actuating unit (6) through one end of firm banking (1), and rigidity axle (3) can be driven to carry out axially reciprocating; Described support column (4) is L-type, and its galianconism is fixed on firm banking (1), and it is upper and parallel with described rigidity axle (3) that its long-armed one end is fixed on upper end cover (2); Described expansion block (5) is provided with at least two ball head columns (7), the main body of described ball head column (7) is cylindrical, one end is fixed in expansion block (5), the other end is ball (71), locating hole on ball head column (7) is long-armed through support column (4) contacts with rigidity axle (3), and locating hole matches with ball head column (7);
Described expanding positioning mandrel clamp comprises at least two expansion blocks (5) and at least two support columns (4), and described expansion block (5) and support column (4) are uniformly distributed along on rigidity axle (3) axis direction; Described rigidity axle (3) is provided with the groove (8) corresponding with the quantity of ball head column (7) and position.
2. expanding positioning mandrel clamp as claimed in claim 1, it is characterized in that, described rigidity axle (3) is connected with positioning end cover (9) through one end of firm banking (1), and the diameter of positioning end cover (9) is greater than the hole on firm banking (1); The opposite side of described positioning end cover (9) connects actuating unit (6).
3. expanding positioning mandrel clamp as claimed in claim 2, is characterized in that, be provided with spring (91) between described positioning end cover (9) and firm banking (1).
4. expanding positioning mandrel clamp as claimed in claim 1, it is characterized in that, described firm banking (1) is provided with directional bond (10), the corresponding site of described rigidity axle (3) has guide slot, match with directional bond (10), prevent rigidity axle (3) from rotating.
5. expanding positioning mandrel clamp as claimed in claim 1, is characterized in that, described rigidity axle (3) is plane with the contact surface of ball head column (7).
6. expanding positioning mandrel clamp as claimed in claim 1, it is characterized in that, described ball head column (7) inside is also provided with ball head column spring (72), and the ball (71) of ball head column (7) one end contacts with ball head column spring (72).
7. the expanding positioning mandrel clamp as described in any one of claim 1-6, is characterized in that, is provided with 2-4 expansion block (5) and support column (4) in described expanding positioning mandrel clamp.
8. the expanding positioning mandrel clamp as described in any one of claim 1-6, it is characterized in that, described expansion block (5) is provided with 2-4 ball head column (7), mate therewith, described rigidity axle (3) is provided with the groove (8) suitable with ball head column (7) quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401643.2U CN204171387U (en) | 2014-07-18 | 2014-07-18 | A kind of expanding positioning mandrel clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401643.2U CN204171387U (en) | 2014-07-18 | 2014-07-18 | A kind of expanding positioning mandrel clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204171387U true CN204171387U (en) | 2015-02-25 |
Family
ID=52560223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420401643.2U Expired - Fee Related CN204171387U (en) | 2014-07-18 | 2014-07-18 | A kind of expanding positioning mandrel clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204171387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530391A (en) * | 2020-05-12 | 2020-08-14 | 安徽比特海新材料股份有限公司 | Combined reaction kettle |
| CN114888653A (en) * | 2022-05-13 | 2022-08-12 | 杭州职业技术学院 | Wheel hub positioning device of new energy automobile |
-
2014
- 2014-07-18 CN CN201420401643.2U patent/CN204171387U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530391A (en) * | 2020-05-12 | 2020-08-14 | 安徽比特海新材料股份有限公司 | Combined reaction kettle |
| CN111530391B (en) * | 2020-05-12 | 2021-10-26 | 安徽比特海新材料股份有限公司 | Combined reaction kettle |
| CN114888653A (en) * | 2022-05-13 | 2022-08-12 | 杭州职业技术学院 | Wheel hub positioning device of new energy automobile |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20210718 |