CN203993222U - A kind of auger spindle holds centre hole clamp - Google Patents
A kind of auger spindle holds centre hole clamp Download PDFInfo
- Publication number
- CN203993222U CN203993222U CN201420484318.7U CN201420484318U CN203993222U CN 203993222 U CN203993222 U CN 203993222U CN 201420484318 U CN201420484318 U CN 201420484318U CN 203993222 U CN203993222 U CN 203993222U
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- China
- Prior art keywords
- clamp
- clamp base
- jaw
- connecting axle
- oil cylinder
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Abstract
The utility model discloses a kind of auger spindle and hold centre hole clamp, belong to clamp technology field.The utility model comprises clamp base, support column, oil cylinder, connecting axle, connector, jaw, workpiece cushion block and mainboard; The Si Ge corner of clamp base offers hole slot, and clamp base is fixed on lathe by hole slot; Described oil cylinder is fixed in clamp base, the piston of this oil cylinder is flexibly connected with connecting axle, and connecting axle is uniformly-spaced provided with three around the lateral wall of piston, on this connecting axle, is fixed with connector, described connector is connected with jaw by a rotating shaft, and connector and jaw rotate around this rotating shaft; Described mainboard is connected with clamp base by support column, and this mainboard middle part offers circular hole and square groove, and square groove is uniformly-spaced provided with three around the sidewall of circular hole, and described workpiece cushion block is placed in this square groove, and this workpiece cushion block is connected with jaw.The utility model is simple in structure, easy to operate, and space, oil cylinder top is large, is beneficial to chip removal.
Description
Technical field
The utility model relates to clamp technology field, more particularly, relates to a kind of auger spindle and holds centre hole clamp.
Background technology
Bearing is in mechanical transmission course, to work the parts of fixing and reducing load coefficient of friction.When other parts produce relative motion each other on axle, the coefficient of friction and the retainer shaft center that are used for reducing in power transmission process are fixed.In bearing machining process, requiring thick centre bore axiality of boring is 0.1, if ensuring coaxiality is not, the endoporus of follow-up finish turning there will be the defects such as bias, order is residual.
In order to guarantee the axiality of boring, there is part producer to use self-centering chuck to clamp bearing to be holed.As China Patent No. ZL201320077742.5, Granted publication day is on September 11st, 2013, and invention and created name is: three-jaw centrifugal force self-centering chuck, and this application case comprises chuck body, claw, centrifugal shaft, plug screw axle, centrifugal roll sleeve and fixed axis; Described chuck body end face direction has three equally distributed straight troughs, and circumferencial direction has three equally distributed skewed slots, and chuck body inside also has three equally distributed fixed shaft holes and a centre bore; Described claw is placed in straight trough, and each skewed slot has the internal thread hole parallel and symmetrical with inclined trough surface center line; Described plug screw axle is tightened in by external screw thread in the internal thread hole of chuck body, and on plug screw axle, cover has spring; On described claw, have draw-in groove, centrifugal shaft is contained in chuck body skewed slot through draw-in groove, and centrifugal shaft two ends have endoporus, centrifugal shaft by inner hole sleeve on plug screw axle; Described fixed axis is tight with in chuck body through fixed shaft hole and claw endoporus.But self-centering chuck exists bearing centre position to be difficult for adjusting, after long-time use, can, because of chuck and the increasing of claw gap, increase the defect of coaxiality error.In addition, also there is the problem of chip removal inconvenience in existing bearing clamping tooling, is badly in need of designing a kind of desirable clamping device.
Summary of the invention
1. the technical problem that utility model will solve
The purpose of this utility model is to solve the unwarrantable problem of bearing centre hole axiality, provides a kind of auger spindle to hold centre hole clamp, and the technical scheme that the utility model provides is simple in structure, easy to operate, and space, oil cylinder top is large, is beneficial to chip removal.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of auger spindle of the present utility model holds centre hole clamp, comprises clamp base, support column, oil cylinder, connecting axle, connector, jaw, workpiece cushion block and mainboard; The Si Ge corner of described clamp base offers hole slot, and clamp base is fixed on lathe by hole slot; Described oil cylinder is fixed in clamp base, the piston of this oil cylinder is flexibly connected with connecting axle, described connecting axle is uniformly-spaced provided with three around the lateral wall of piston, on this connecting axle, be fixed with connector, described connector is connected with jaw by a rotating shaft, and connector and jaw rotate around this rotating shaft; Described mainboard is connected with clamp base by support column, and this mainboard middle part offers circular hole and square groove, and square groove is uniformly-spaced provided with three around the sidewall of circular hole, and described workpiece cushion block is placed in this square groove, and this workpiece cushion block is connected with jaw.
As the utility model, further improve, the hole slot of offering in described clamp base is straight type groove.
As the utility model, further improve, the piston of described oil cylinder is threaded with connecting axle.
As the utility model, further improve, the medial surface of described workpiece cushion block is arc surface.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compares with existing known technology, has following beneficial effect:
(1) a kind of auger spindle of the present utility model holds centre hole clamp, by oil cylinder, drive workpiece cushion block to be fixedly clamped and treat drilling-workpiece, debugging, easy to operate, in clamp base, offer straight type hole slot, can control better the axiality between fixture and machine tool chief axis, between mainboard and oil cylinder, leave larger space, be beneficial to chip removal;
(2) a kind of auger spindle of the present utility model holds centre hole clamp, simple in structure, and result of use is good, easy to utilize.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram that a kind of auger spindle of the present utility model holds centre hole clamp;
Fig. 2 is the forward sight structural representation that a kind of auger spindle of the present utility model holds centre hole clamp;
Fig. 3 is the structural representation of the utility model middle (center) bearing workpiece;
Fig. 4 is the use state diagram that a kind of auger spindle of the present utility model holds centre hole clamp.
Label declaration in schematic diagram:
1, clamp base; 11, hole slot; 2, support column; 3, oil cylinder; 4, connecting axle; 5, connector; 6, jaw; 7, workpiece cushion block; 8, mainboard; 9, workpiece; 91, workpiece footstalk.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
By reference to the accompanying drawings, a kind of auger spindle of the present embodiment holds centre hole clamp, comprises clamp base 1, support column 2, oil cylinder 3, connecting axle 4, connector 5, jaw 6, workpiece cushion block 7 and mainboard 8.Described clamp base 1 is a square floor, referring to Fig. 1, the Si Ge corner of this clamp base 1 offers hole slot 11, and described hole slot 11 is straight type groove, clamp base 1 is fixed on lathe by hole slot 11, can guarantee better the axiality between clamp base 1 and machine tool chief axis.
Referring to Fig. 2, described oil cylinder 3 is fixed on the middle part of clamp base 1, and the piston of this oil cylinder 3 and connecting axle 4 are threaded connection.Described connecting axle 4 is uniformly-spaced provided with three around the lateral wall of piston, on this connecting axle 4, is fixed with connector 5, and described connector 5 is connected with jaw 6 by the rotating shaft of a Φ 15mm, and connector 5 and jaw 6 can rotate around this rotating shaft.Described mainboard 8 is connected with clamp base 1 by support column 2, and support column 2 is provided with three, can guarantee the stability of whole fixture.The middle part of mainboard 8 offers circular hole and square groove, and square groove is uniformly-spaced provided with three around the sidewall of circular hole, and described workpiece cushion block 7 inserts in this square groove, and the size of square groove is greater than the size of workpiece cushion block 7, and workpiece cushion block 7 can move in square groove.
The bearing component 9 that the present embodiment need clamp is referring to Fig. 3, and the workpiece footstalk 91 of workpiece 9 is cylindrical, and for the more firm workpiece 9 that grips, in the present embodiment, the medial surface of workpiece cushion block 7 is set to arc surface.Described workpiece cushion block 7 is connected mutually with jaw 6, and jaw 6 is controlled workpiece cushion block 7 and clamped, unclamps workpiece footstalk 91, completes the operation that grips of workpiece 9.The offering of mainboard 8 middle part circular holes and square groove in the present embodiment, has guaranteed to leave larger space between mainboard 8 and oil cylinder 3, is beneficial to the removing of iron filings in boring procedure, and the result of use of whole fixture is better.
Referring to Fig. 4, the auger spindle of the present embodiment holds centre hole clamp when reality is used, workpiece 9 is placed on workpiece cushion block 7, the piston of controlling oil cylinder 3 moves downward, connecting axle 4 moves down with one, piston, and then drive jaw 6 to rotate by connector 5, jaw 6 drives workpiece cushion block 7 to shrink, workpiece footstalk 91 is fixedly clamped, owing to thering is good axiality between fixture and machine tool chief axis, the cambered surface design of workpiece cushion block 7 also can guarantee that workpiece 9 is vertical, drilled centre bore axiality has obtained guarantee, reduced to a great extent bias, the appearance of the defects such as order is residual, and fixture debugging is also very convenient.After workpiece 9 drilling operations complete, control piston moves upward, and workpiece cushion block 7 unclamps workpiece footstalk 91, can take out workpiece 9, and clamp structure is simple, easy to operate, easy to utilize.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (4)
1. auger spindle holds a centre hole clamp, it is characterized in that: comprise clamp base (1), support column (2), oil cylinder (3), connecting axle (4), connector (5), jaw (6), workpiece cushion block (7) and mainboard (8); The Si Ge corner of described clamp base (1) offers hole slot (11), and clamp base (1) is fixed on lathe by hole slot (11); Described oil cylinder (3) is fixed in clamp base (1), the piston of this oil cylinder (3) is flexibly connected with connecting axle (4), described connecting axle (4) is uniformly-spaced provided with three around the lateral wall of piston, on this connecting axle (4), be fixed with connector (5), described connector (5) is connected with jaw (6) by a rotating shaft, and connector (5) and jaw (6) rotate around this rotating shaft; Described mainboard (8) is connected with clamp base (1) by support column (2), this mainboard (8) middle part offers circular hole and square groove, square groove is uniformly-spaced provided with three around the sidewall of circular hole, described workpiece cushion block (7) is placed in this square groove, and this workpiece cushion block (7) is connected with jaw (6).
2. a kind of auger spindle according to claim 1 holds centre hole clamp, it is characterized in that: the hole slot (11) of offering in described clamp base (1) is straight type groove.
3. a kind of auger spindle according to claim 2 holds centre hole clamp, it is characterized in that: the piston of described oil cylinder (3) is threaded with connecting axle (4).
4. a kind of auger spindle according to claim 3 holds centre hole clamp, it is characterized in that: the medial surface of described workpiece cushion block (7) is arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484318.7U CN203993222U (en) | 2014-08-26 | 2014-08-26 | A kind of auger spindle holds centre hole clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484318.7U CN203993222U (en) | 2014-08-26 | 2014-08-26 | A kind of auger spindle holds centre hole clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203993222U true CN203993222U (en) | 2014-12-10 |
Family
ID=52033285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420484318.7U Expired - Fee Related CN203993222U (en) | 2014-08-26 | 2014-08-26 | A kind of auger spindle holds centre hole clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203993222U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078296A (en) * | 2016-08-26 | 2016-11-09 | 叶青 | A kind of fixed mechanism for wheel hub processing |
| CN106312857A (en) * | 2016-10-18 | 2017-01-11 | 安徽省六安市朝晖机械制造有限公司 | Bearing clamping device |
-
2014
- 2014-08-26 CN CN201420484318.7U patent/CN203993222U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078296A (en) * | 2016-08-26 | 2016-11-09 | 叶青 | A kind of fixed mechanism for wheel hub processing |
| CN106312857A (en) * | 2016-10-18 | 2017-01-11 | 安徽省六安市朝晖机械制造有限公司 | Bearing clamping device |
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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: 20141210 Termination date: 20170826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |