CN203254204U - Two end clamping device - Google Patents
Two end clamping device Download PDFInfo
- Publication number
- CN203254204U CN203254204U CN 201320116631 CN201320116631U CN203254204U CN 203254204 U CN203254204 U CN 203254204U CN 201320116631 CN201320116631 CN 201320116631 CN 201320116631 U CN201320116631 U CN 201320116631U CN 203254204 U CN203254204 U CN 203254204U
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- CN
- China
- Prior art keywords
- chuck
- main shaft
- conical surface
- hole
- push
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- 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 - Lifetime
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Abstract
The utility model relates to a two end clamping device which comprises a chuck assembly, a main shaft, a push-pull device and a machine head frame. The main shaft is arranged in the machine head frame. A main shaft hole is formed in the main shaft. One end of the main shaft hole is provided with a first inner conical surface which is small in outside and large in inside, and the other end of the main shaft hole is provided with a second inner conical surface which is small in inside and large in outside. The chuck assembly is arranged in the main shaft hole. The two ends of the chuck assembly respectively correspond to the first inner conical surface and the second inner conical surface so as to form a first outer conical surface and a second outer conical surface. The push-pull device is arranged outside one end of the main shaft and is used for pushing and pulling the main shaft. According to the two end clamping device, through the mutual action of the outer conical surface of a chuck and the inner conical surface of the main shaft, clamping holes of the chuck assembly simultaneously contract to clamp a workpiece, so that the two ends of the workpiece are machined simultaneously. Consequently, the two end clamping device is high in speed and efficiency and reduces cylinder mounting procedure at machining time.
Description
Technical field
The utility model belongs to automatic fixture structure-design technique field, is specifically related to a kind of two head clamping devices.
Background technology
In the traditional machine tool anchor clamps, for optical axis class part, generally all be to adopt the collet assembly to clamp, the endoporus of collet assembly is installed workpiece, and has several grooves, can be so that the collet assembly radially produces the micro-deformation clamping work pieces; The male cone (strobilus masculinus) of collet assembly cooperates with the inner conical surface of chuck, chuck be fixed on the main shaft or the fixed structure of lathe on, the inner of collet assembly is connected with push rod, utilize the pulling of push rod, make the relative chuck of collet assembly produce axially-movable, because the effect of the male cone (strobilus masculinus) of collet assembly and the inner conical surface of chuck is so that collet assembly contraction clip clamping of workpieces.The chuck component of these anchor clamps only has one side to carry out single-sided process, inefficiency by clamping work pieces.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of employing double-sided clamp, two-sided processing are provided, two head clamping devices that can greatly raise the efficiency.
For achieving the above object, the utility model adopts a kind of two head clamping devices to comprise chuck component, main shaft, push-pull device at fixed, headstock, main shaft is arranged in the headstock, offer spindle hole in the main shaft, spindle hole one end is outer little interior the first large inner conical surface, the other end is the second inner small and outside big inner conical surface, chuck component is arranged in the spindle hole, chuck component two ends respectively corresponding the first inner conical surface and the second inner conical surface form the first male cone (strobilus masculinus) and the second male cone (strobilus masculinus), push-pull device at fixed is arranged on outside main shaft one end, is used for the push-and-pull main shaft.
Chuck component of the present utility model two ends form respectively outer little interior large the first male cone (strobilus masculinus) and the second little male cone (strobilus masculinus) of outer imperial palace, by the inside push-and-pull of push-pull device at fixed, chuck component moves axially, interaction between male cone (strobilus masculinus) by chuck and the inner conical surface of main shaft, the folder hole of chuck component is the contraction clip clamping of workpieces simultaneously, realizes that two processes simultaneously, and speed is fast, efficient is high, has reduced the dress cylinder operation that adds man-hour.
The utility model further is set to described chuck component and comprises interconnective the first chuck and the second chuck, the first chuck and the second center of collet all form folder hole, the outer end of the first chuck forms first male cone (strobilus masculinus) suitable with the first inner conical surface, and the outer end of the second chuck forms second male cone (strobilus masculinus) suitable with the second inner conical surface.Two chuck splits arrange, and are convenient to change chuck, have improved universal and applicable surface and easy to assembly of the present utility model.。
It is push rod that push-pull device at fixed of the present utility model a kind of is set to described push-pull device at fixed, and push rod is hinged on the headstock, and the push rod center is movably set with compression plate by bearing, and compression plate is pressed on the outer end of the second chuck.Push rod is a kind of implementation of the utility model push-pull device at fixed, but is not limited to this a kind of push-pull device at fixed.
The utility model further is set to described chuck component and forms outer little interior the 3rd large male cone (strobilus masculinus) in the outer end of the second male cone (strobilus masculinus), the corresponding chuck component of described push-pull device at fixed arranges compression plate, be formed centrally three inner conical surface adaptive with the 3rd male cone (strobilus masculinus) in the compression plate of push-pull device at fixed, the compression plate of push-pull device at fixed is held on the chuck component by the 3rd inner conical surface and the adaptive of the 3rd male cone (strobilus masculinus).Chuck is connected connection also by cone match with push-pull device at fixed, when push-pull device at fixed compressed, the rotation of main shaft was more reliable and more stable.
The inner that the utility model further is set to described the first chuck and the second chuck connects by screw thread is stubborn, the inner face of the first chuck is circumferentially formed a plurality of locating holes, the inner face of the second chuck forms a jogger hole, be provided with push rod in the jogger hole, the push rod inboard arranges spring, and the first chuck and the second chuck achieved a fixed connection by push rod and cooperating of locating hole.After the first chuck and the second chuck are tightened, withstand in the locating hole with push rod again, it is loosening that the first chuck and the second chuck can be offset when rotating, and keeps relatively fixing.
The utility model further is set to form on the described main shaft screwed hole that connects outer surface and spindle hole, the corresponding screwed hole of chuck component forms a locating slot, screw is set on the main shaft passes screwed hole and withstand on and realize in the locating slot that main shaft cooperates with the location of chuck component.
The utility model further is set to offer the headstock hole on the described headstock, is fixedly installed bearing on the inwall in headstock hole, and main shaft is arranged in the bearing of headstock.Main shaft rotates in bearing, processes by fixing cutter.
The utility model further is set to described main shaft and forms drive between headstock and push rod, and described screwed hole is arranged on the drive periphery.Drive is by being connected the power that rotation is provided to main shaft with power source.
Description of drawings
Fig. 1 is the cutaway view of the utility model embodiment.
Fig. 2 is the front view of the utility model embodiment the first chuck.
Fig. 3 is the top view of the utility model embodiment the first chuck.
Fig. 4 is the upward view of the utility model embodiment the first chuck.
Fig. 5 is the front view of the utility model embodiment the second chuck.
Fig. 6 is the upward view of the utility model embodiment the second chuck.
Fig. 7 is the cutaway view of the utility model embodiment main shaft.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Shown in Fig. 1-7, specific embodiment of the utility model is a kind of two head clamping devices, comprise chuck component (1,2), main shaft 3, push rod 4, headstock 5, offer headstock hole 51 on the headstock 5, be fixedly installed bearing 52 on the inwall in headstock hole 51, main shaft 3 is arranged on bearing 52 inboards of headstock 5, offer spindle hole 31 in the main shaft 3, spindle hole 31 1 ends are outer little interior the first large inner conical surface 32, chuck component (1,2) be arranged in the spindle hole 31, chuck component (1,2) comprise interconnective the first chuck 1 and the second chuck 2, the first chuck 1 and the second chuck 2 centers all form folder hole (11,21), the outer end of the first chuck 1 forms first male cone (strobilus masculinus) 12 suitable with the first inner conical surface 32, the outer end of the second chuck 2 forms the second little male cone (strobilus masculinus) 22 of outer imperial palace, the second chuck 2 forms the 3rd inner small and outside big male cone (strobilus masculinus) 23 in the outer end of the second male cone (strobilus masculinus) 22, push rod 4 is hinged on the headstock 5, push rod 4 centers are movably set with compression plate 41 by bearing, be formed centrally three inner conical surface 42 adaptive with the 3rd male cone (strobilus masculinus) in the compression plate 41 of push rod 4, the compression plate 41 of push rod 4 is held on the second chuck 2 by the adaptive of the 3rd inner conical surface 42 and the 3rd male cone (strobilus masculinus) 23.
The inner of the first chuck 1 and the second chuck 2 is fixedly connected with by screw thread, the inner face of the first chuck 1 is circumferentially formed a plurality of locating holes 13, the inner face of the second chuck 2 forms a jogger hole 24, be provided with push rod 25 in the jogger hole 24, push rod 25 inboards arrange spring 26, the first chuck 1 and the second chuck 2 achieved a fixed connection by push rod 25 and cooperating of locating hole 13, prevented from occuring when the first chuck 1 and the second chuck 2 from tightening slippage.The outer end of the first chuck 1 forms spanner interface 14, and spanner interface 14 can connect spanner chuck is carried out hand rotation.
The utility model is not limited to above-mentioned a kind of embodiment, and the first chuck 1 and the second chuck 2 among the utility model embodiment can also be integrated setting.
Push-pull device at fixed of the present utility model can also adopt other can push the thrust unit of chuck in the outer end of the second chuck except adopting above-mentioned push rod; Perhaps connect a take-up device in the outer end of the first chuck, such as pull bar, the first chuck and the second chuck outer extreme direction toward the first chuck is drawn, the extruding of the inner conical surface by chuck and the male cone (strobilus masculinus) of main shaft can reach the effect of clamping work pieces equally.
Main shaft of the present utility model not only can adopt the bearing that passes through of mentioning among the embodiment to be arranged on the mode of rotating in the headstock, can also adopt the mode that is fixed in the headstock, and the rotation by cutter comes processing work.
Obviously, the explanation of above-described embodiment of the present utility model and variation thereof or change is not to all embodiments of the present utility model, for those skilled in the art, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (9)
1. head clamping device, it is characterized in that: two head clamping devices comprise chuck component, main shaft, push-pull device at fixed, headstock, main shaft is arranged in the headstock, offer spindle hole in the main shaft, spindle hole one end is outer little interior the first large inner conical surface, the other end is the second inner small and outside big inner conical surface, chuck component is arranged in the spindle hole, chuck component two ends respectively corresponding the first inner conical surface and the second inner conical surface form the first male cone (strobilus masculinus) and the second male cone (strobilus masculinus), push-pull device at fixed is arranged on outside main shaft one end, is used for the push-and-pull main shaft.
2. two head clamping devices according to claim 1, it is characterized in that: described chuck component comprises interconnective the first chuck and the second chuck, the first chuck and the second center of collet all form folder hole, the outer end of the first chuck forms first male cone (strobilus masculinus) suitable with the first inner conical surface, and the outer end of the second chuck forms second male cone (strobilus masculinus) suitable with the second inner conical surface.
3. two head clamping devices according to claim 1 and 2, it is characterized in that: described push-pull device at fixed is push rod, and push rod is hinged on the headstock, and the push rod center is movably set with compression plate by bearing, and compression plate is pressed on the outer end of the second chuck.
4. two head clamping devices according to claim 1 and 2, it is characterized in that: described chuck component forms outer little interior the 3rd large male cone (strobilus masculinus) in the outer end of the second male cone (strobilus masculinus), the corresponding chuck component of described push-pull device at fixed arranges compression plate, be formed centrally three inner conical surface adaptive with the 3rd male cone (strobilus masculinus) in the compression plate of push-pull device at fixed, the compression plate of push-pull device at fixed is held on the chuck component by the 3rd inner conical surface and the adaptive of the 3rd male cone (strobilus masculinus).
5. two head clamping devices according to claim 2, it is characterized in that: the inner of described the first chuck and the second chuck is twisted by screw thread and is connect, the inner face of the first chuck is circumferentially formed a plurality of locating holes, the inner face of the second chuck forms a bar hole, be provided with push rod in the jogger hole, the push rod inboard arranges spring, and the first chuck and the second chuck achieved a fixed connection by push rod and cooperating of locating hole.
6. two head clamping devices according to claim 1 and 2, it is characterized in that: form a screwed hole that connects outer surface and spindle hole on the described main shaft, the corresponding screwed hole of chuck component forms a locating slot, screw is set on the main shaft passes screwed hole and withstand on and realize in the locating slot that main shaft cooperates with the location of chuck component.
7. two head clamping devices according to claim 1 and 2, it is characterized in that: offer the headstock hole on the described headstock, be fixedly installed bearing on the inwall in headstock hole, main shaft is arranged in the bearing of headstock.
8. two head clamping devices according to claim 1 and 2, it is characterized in that: described main shaft forms drive between headstock and push rod.
9. two head clamping devices according to claim 6, it is characterized in that: described main shaft forms drive between headstock and push rod, and described screwed hole is arranged on the drive periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320116631 CN203254204U (en) | 2013-03-06 | 2013-03-06 | Two end clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320116631 CN203254204U (en) | 2013-03-06 | 2013-03-06 | Two end clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203254204U true CN203254204U (en) | 2013-10-30 |
Family
ID=49466808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320116631 Expired - Lifetime CN203254204U (en) | 2013-03-06 | 2013-03-06 | Two end clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203254204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777871A (en) * | 2017-11-28 | 2018-03-09 | 长飞光纤潜江有限公司 | A kind of automatic centering glass bar clamping device |
-
2013
- 2013-03-06 CN CN 201320116631 patent/CN203254204U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777871A (en) * | 2017-11-28 | 2018-03-09 | 长飞光纤潜江有限公司 | A kind of automatic centering glass bar clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |