CN206382584U - Electric chuck and its chuck body - Google Patents
Electric chuck and its chuck body Download PDFInfo
- Publication number
- CN206382584U CN206382584U CN201720085811.5U CN201720085811U CN206382584U CN 206382584 U CN206382584 U CN 206382584U CN 201720085811 U CN201720085811 U CN 201720085811U CN 206382584 U CN206382584 U CN 206382584U
- Authority
- CN
- China
- Prior art keywords
- band
- clutch discs
- helical disk
- bevelled
- face helical
- 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
A kind of electric chuck of the utility model offer and its chuck body, the chuck body of electric chuck, including:End-face helical disk and the band tooth clutch discs for being connected and rotating jointly with the end-face helical disk, the end-face helical disk has with bevelled groove, and described there is the bevelled projection of band that is connected with the bevelled groove of the band with tooth clutch discs, or the end-face helical disk has with bevelled projection, and described there is the bevelled groove of band that is connected with the bevelled projection of the band with tooth clutch discs, wherein, the gradient on the inclined-plane is 15 degree to 60 degree.The chuck body part of the electric chuck is few, it is easier to install, and cost is lower, removes and installs easy to maintenance, and fault rate is low, noise and be difficult to loosen that reduction locking collision is produced.
Description
Technical field
The utility model is related to a kind of chuck, more particularly to a kind of electric chuck and its chuck body.
Background technology
A kind of electric chuck now, including:Chuck main body;Chuck main body is made up of housing, bonnet and claw;Bonnet lid
Located at housing bottom, claw, which is installed on case top, housing, is provided with the tank filler sleeve with self-closing structure, the centre bit in housing
Install the eccentric shaft of inner hollow;Eccentric shaft two ends are provided with the fixing bearing of connection housing and bonnet;It is close at the top of eccentric shaft
Envelope is connected with bearing (ball) cover;The centre of eccentric shaft is provided with a capacity eccentric bearing, capacity eccentric bearing and is provided with tooth clutch discs, band
Engagement is connected with internal gear disc in tooth clutch discs;Claw is connected with end-face helical disk, and end-face helical disk is located at enclosure interior;Band tooth from
Close to be evenly equipped with convex tooth or concave groove, end-face helical disk on disk or the circumference of internal gear disc one and be correspondingly arranged on channel-shaped groove or protruding
Tooth is matched with the convex tooth with tooth clutch discs or internal gear disc or concave groove grafting.This electric chuck vibrates when running at high speed
Greatly, noise is big, accordingly, it would be desirable to set a balance weight on eccentric shaft, so the inner body of electric chuck can be made to increase, tie
Structure is complicated, increase manufacturing cost, the reliability of reduction device, and noise reaches 92dB.
In addition, electric chuck main body is directly connected by power transmission shaft with motor, belong to direct-drive, in this way, so that
The blind hole of power transmission shaft can not reach maximum, and the use scope for processing bar is small.
The content of the invention
The utility model provides a kind of electric chuck and its chuck body, to solve above-mentioned technical problem.
In order to achieve the above object, the technical solution of the utility model is realized in:A kind of chuck of electric chuck
Body, including:End-face helical disk and the band tooth clutch discs for being connected and rotating jointly with the end-face helical disk, the end-face helical disk
With with bevelled groove, and described have and the bevelled groove of the band is connected carries inclined-plane with tooth clutch discs
Projection, or the end-face helical disk has with bevelled projection, and the band tooth clutch discs have with described with oblique
The bevelled groove of band that the projection in face is connected, wherein, the gradient on the inclined-plane is 15 degree to 60 degree.
Further, the gradient on the inclined-plane is 30 degree to 45 degree.
In addition, a kind of electric chuck, including chuck body, claw, motor drive mechanism, it is characterised in that the chuck body includes
End-face helical disk and the band tooth clutch discs for being connected and rotating jointly with the end-face helical disk, the end-face helical disk, which has, to be carried
The groove on inclined-plane, and it is described there is the bevelled projection of band that is connected with the bevelled groove of the band with tooth clutch discs,
Or the end-face helical disk has with bevelled projection, and the band tooth clutch discs have and the bevelled projection of the band
The bevelled groove of band being connected, wherein, the gradient on the inclined-plane is 15 degree to 60 degree;The motor drive mechanism include according to
Eccentric shaft, power transmission shaft and the motor of secondary connection, the eccentric shaft are connected with the band tooth clutch discs, the eccentric shaft and the biography
Moving axis is hollow structure, and the motor drives the power transmission shaft and eccentric shaft rotation (large aperture) by belt, belt pulley.
Further, the eccentric shaft and the power transmission shaft neck is connected by concavity and convex connect neck grafting or
Welding.
Further, including:Housing and bonnet, the housing and bonnet formation accommodate the end-face helical disk and institute
State the space with tooth clutch discs;Bonnet bearing is provided between the bonnet and the eccentric shaft, the electric chuck also includes bullet
Property jump ring, its one end is fixed on the eccentric shaft, and is connected to the bonnet bearing.
Further, including:Capacity eccentric bearing, it is arranged between the eccentric shaft and the band tooth clutch discs.
Further, including:Internal gear disc, it is hollow disc, and periphery is fixedly connected on the housing, and inner circumferential surface
Internal tooth is connected with the external tooth engagement on the periphery with tooth clutch discs.
Further, the eccentric throw of the eccentric shaft is 1.2~2.4mm.
Further, including:The housing is provided with least two through slots, and the quantity of the through slot and the card
The quantity of pawl is corresponded;Through slot described in the insertion of described claw one end, and the external tooth of described claw one end is arranged at setting
Be placed in the end-face helical disk screw thread engagement, thus rotation of the claw through the end-face helical disk and in the through slot
The enterprising line position of inner radial is moved.
Further, the motor is threephase asynchronous machine.
Compared with prior art, the utility model has the advantage of:The utility model electric chuck, by with bevelled
Groove and make with bevelled projection band tooth clutch discs and end-face helical disk be connected, eliminate some parts, make zero
Part tails off, it is easier to install, and cost is lower, removes and installs easy to maintenance, and fault rate is low, the noise that reduction locking collision is produced
And be difficult to loosen;Motor drives power transmission shaft and eccentric shaft by belt, belt pulley, and eccentric shaft is connected card with power transmission shaft by concavity
Groove and convex connection neck grafting or welding, in this way, allow the through hole of power transmission shaft and eccentric shaft to reach maximum, plus
The use scope of work bar is wider.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of electric chuck of the present utility model;
Fig. 2 is the structure chart of the chuck body of electric chuck of the present utility model;
The structure chart of inclined-plane projections of the Fig. 3 (a) for the inclined plane groove of the end-face helical disk of electric chuck and with tooth clutch discs;
The structure chart of inclined plane grooves of the Fig. 3 (b) for the inclined-plane projection of the end-face helical disk of electric chuck and with tooth clutch discs;
Fig. 4 is the structure chart of electric chuck;
Fig. 5 is the eccentric shaft structure figure of electric chuck;
Fig. 6 is the transmission shaft structure figure of electric chuck;
Fig. 7 is the internal gear disc structure chart of electric chuck;
Fig. 8 is the claw schematic diagram of electric chuck.
Description of reference numerals
1st, housing;2nd, end-face helical disk;3rd, band tooth clutch discs;4th, eccentric shaft;5th, bearing;6th, elastic circlip;7th, internal gear disc;
8th, bonnet;9th, claw;11st, screw;12nd, power transmission shaft;13rd, belt pulley;14th, motor;15th, belt;16th, ring flange.
Embodiment
Clear, complete description is carried out to the technical scheme of each embodiment of the utility model below with reference to accompanying drawing, it is clear that
Described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.It is new based on this practicality
Embodiment in type, those of ordinary skill in the art's all other reality resulting on the premise of creative work is not made
Example is applied, the scope that the utility model is protected is belonged to.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment 1
The chuck body of the present embodiment is illustrated with reference to Fig. 1 and Fig. 2.
Fig. 1 is the schematic diagram of electric chuck of the present utility model.
First, reference picture 1 briefly describes the general structure of electric chuck.
As shown in figure 1, the utility model is related to a kind of electric chuck, including:Claw 9, chuck body, motor drive mechanism (including
Power transmission shaft 12, motor 14 etc.), chuck body is connected by power transmission shaft 12 with motor 14, and housing is provided with least two through slots, and
The quantity of through slot is corresponded with the quantity of claw 9;One end insertion through slot of claw 9, and the external tooth of the one end of claw 9 is set
Engaged with the screw thread for being arranged at end-face helical disk 2, thus rotation of the claw 9 through end-face helical disk 2 and in through slot inner radial
Enterprising line position is moved.
The quantity of claw 9 can be two, three, four, and the motor 14 can be threephase asynchronous machine.
Fig. 2 is the structure chart of the chuck body of electric chuck of the present utility model;By Fig. 2 to chuck body of the present utility model
Structure be described in detail.
As shown in Fig. 2 chuck body includes:Housing 1, it is hollow frame shape, its bottom opening;Bonnet 8, it is covered on
The bottom of the housing 1, and be fixedly connected by modes such as screws with the housing 1, so as to form receiving miscellaneous part
Inner space;Band tooth clutch discs 3, are arranged on capacity eccentric bearing;End-face helical disk 2, it is arranged at the inside of the housing 1,
It is connected and rotates jointly with the band tooth clutch discs 3;Internal gear disc 7, it is hollow disc, and periphery is fixedly connected on the housing 1,
And the internal tooth of inner circumferential surface is connected with the external tooth engagement on the periphery with tooth clutch discs 3.
The structure chart of inclined-plane projections of the Fig. 3 (a) for the inclined plane groove of the end-face helical disk of electric chuck and with tooth clutch discs;
The structure chart of inclined plane grooves of the Fig. 3 (b) for the inclined-plane projection of the end-face helical disk of electric chuck and with tooth clutch discs;Pass through Fig. 3
(a), 3 (b) chuck body connected mode of the present utility model is described in detail.
As shown in Fig. 3 (a), 3 (b), end-face helical disk 2 with tooth clutch discs 3 with having two kinds of pairing connected modes:(1) band tooth
It is evenly equipped with bevelled projection, is correspondingly arranged on end-face helical disk 2 with bevelled groove, band on the circumference of clutch discs 3
The groove of the projection of tooth clutch discs 3 and end-face helical disk 2 is connected and rotated jointly;(2) on the circumference with tooth clutch discs 3
Be furnished with bevelled groove, be correspondingly arranged on end-face helical disk 2 with bevelled projection, the groove with tooth clutch discs 3 with
The projection of end-face helical disk 2 is connected and rotated jointly, and the gradient on inclined-plane as described above is 15 degree to 60 degree, preferably 30
Degree is to 45 degree.Selection both the above when being connected to actual implementation with tooth clutch discs 3 and end-face helical disk 2 matches connected mode
Any pairing connection.With the channel-shaped groove or protruding tooth that is set on end-face helical disk of the prior art with the convex of tooth clutch discs
Shape tooth or concave groove grafting matching compares, be connected by the inclined-plane of the present embodiment, reduction locking collision produce noise and
It is difficult loosening, noise to reach 80dB, be easy to process, conveniently install, eliminates balance weight, reduce to greatest extent in chuck
Parts, reduce manufacturing cost.
Embodiment 2
Fig. 4 is the structure chart of electric chuck;The structure of electric chuck of the present utility model is carried out specifically by Fig. 4
It is bright.
As shown in figure 4, electric chuck, including claw 9, chuck body, motor drive mechanism, housing is provided with least two insertions
Groove, and the quantity and the quantity one-to-one corresponding of claw 9 of through slot;One end insertion through slot of claw 9, and the one end of claw 9 is set
External tooth engaged with being arranged at the screw thread of end-face helical disk 2, thus rotation of the claw 9 through end-face helical disk 2 and in through slot
Diametrically carry out displacement.
The chuck body includes:Housing 1, it is hollow frame shape, its bottom opening;Bonnet 8, it is covered on the shell
The bottom of body 1, and be fixedly connected by modes such as screws with the housing 1, so as to form the inside for accommodating miscellaneous part
Space;Band tooth clutch discs 3, are arranged on capacity eccentric bearing;End-face helical disk 2, it is arranged at the inside of the housing 1, and described
Band tooth clutch discs 3 are connected and rotated jointly;Internal gear disc 7, it is hollow disc, and periphery is fixedly connected on the housing 1, and in it
The internal tooth of side face is connected with the external tooth engagement on the periphery with tooth clutch discs 3, wherein, the end-face helical disk 2 has band
Bevelled groove, and described have the band being connected with the bevelled groove of the band bevelled convex with tooth clutch discs 3
Block, or the end-face helical disk 2 have with bevelled projection, and the band tooth clutch discs 3 have and carry inclined-plane with described
The bevelled groove of band that is connected of projection, wherein, the gradient on the inclined-plane is 15 degree to 60 degree.
The motor drive mechanism includes eccentric shaft 4, power transmission shaft 12 and the motor 14 being sequentially connected, bonnet 8 and the eccentric shaft 4
Between be provided with bonnet bearing, between the housing 1 and the eccentric shaft 4 be provided with housing bearing, capacity eccentric bearing be arranged at it is described partially
Between heart axle 4 and the band tooth clutch discs 3, the eccentric shaft 4 and the power transmission shaft 12 are hollow structure, and the motor 14 passes through
Belt 15, belt pulley 13 drive the power transmission shaft 12 and the eccentric shaft 4 to rotate (large aperture), so as to add to greatest extent
The diameter of bar is processed, also allows for that processing is installed.
Fig. 5 is the eccentric shaft structure figure of electric chuck;Fig. 6 is the transmission shaft structure figure of electric chuck;Pass through Fig. 5,6 pairs of sheets
The interconnected relationship of the eccentric shaft 4 and power transmission shaft 12 of the electric chuck of utility model is described in detail.
As shown in Figure 5,6, the eccentric shaft 4 can be connected neck and convex connection neck with the power transmission shaft 12 by concavity
Grafting or welding.
The working method to electric chuck is illustrated below.
Motor 14 drives band tooth clutch discs 3 by belt 15, belt pulley 13, power transmission shaft 12 and eccentric shaft 4, because internal gear disc
7 are fixed in the housing 1, are motionless, so engaging internal gear disc 7 repeatedly with tooth clutch discs 3, and make band tooth clutch discs 3
Reciprocal eccentric circular motion, band tooth clutch discs 3 drive end-face helical disk 2 to circle, and end-face helical disk 2 drives claw 9
It is mobile, and then realize that claw 9 unclamps the purpose with clamping workpiece.
Embodiment 3
The present embodiment and the difference of embodiment 2 are that elastic circlip one end is fixed on the eccentric shaft 4, and is supported
The bonnet bearing is connected to, bonnet bearing is not moved left and right, prevents from loosening, so that further reduction locking collides what is produced
Noise.
Embodiment 4
Fig. 7 is the internal gear disc structure chart of electric chuck;Pass through internal tooth dish structures of the Fig. 7 to electric chuck of the present utility model
It is described in detail.
As shown in fig. 7, the present embodiment and the difference of embodiment 2 are that the fixed form to internal gear disc 7 is changed
Enter.
Specifically, internal gear disc 7 is fixed in housing 1 by uniform at least two half slots on its circumference so that
It is simple in construction, it is easily disassembled.
Embodiment 5
In the present embodiment, further optimization has been carried out to eccentric throw.
The collision of the eccentric throw too internal tooth and the external tooth with tooth clutch discs of conference influence internal gear disc, is easily caused internal gear disc
Broken teeth and abrasion, the too small band tooth that can be influenceed end-face helical disk and be connected and rotate jointly with the end-face helical disk of eccentric throw from
The locking of disk is closed, therefore, in the present embodiment, 1.2~2.4mm eccentric throw is employed, thus enables that noise reduction is maximized, increases
Plus chuck service life.
More than, only it is preferred embodiment of the present utility model, not makees any formal limit to the utility model
System, any those skilled in the art are not being departed from the range of technical solutions of the utility model, when using the disclosure above
Technology contents make a little change or be modified to the equivalent embodiments of equivalent variations, as long as being without departing from the utility model technology
The content of scheme, according to technical spirit of the present utility model above example is made it is any it is simple modification, equivalent variations with
Modification, in the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of chuck body of electric chuck, including:End-face helical disk and with the end-face helical disk it is connected and rotates jointly
Band tooth clutch discs, the end-face helical disk has with bevelled groove, and the band tooth clutch discs have with described with oblique
The bevelled projection of band that the groove in face is connected, or the end-face helical disk have with bevelled projection, and described
With tooth clutch discs there is the bevelled groove of band that is connected with the bevelled projection of the band, wherein, the inclined-plane inclines
Gradient is 15 degree to 60 degree.
2. the chuck body of electric chuck according to claim 1, it is characterised in that the gradient on the inclined-plane be 30 degree extremely
45 degree.
3. a kind of electric chuck, including chuck body, claw and motor drive mechanism, it is characterised in that
The chuck body includes end-face helical disk and the band tooth clutch discs for being connected and rotating jointly with the end-face helical disk, described
End-face helical disk has with bevelled groove, and the band tooth clutch discs have and are connected with the bevelled groove of the band
The bevelled projection of band, or the end-face helical disk has with bevelled projection, and the band tooth clutch discs have with
The bevelled groove of band that the bevelled projection of band is connected, wherein, the gradient on the inclined-plane is 15 degree to 60 degree;
The motor drive mechanism includes eccentric shaft, power transmission shaft and the motor being sequentially connected, the eccentric shaft and the band tooth clutch discs
Connection, the eccentric shaft and the power transmission shaft are hollow structure, the motor by belt, belt pulley drive the power transmission shaft and
The eccentric shaft rotation.
4. electric chuck according to claim 3, it is characterised in that
The eccentric shaft is connected neck by concavity with the power transmission shaft and convex connects neck grafting or welding.
5. the electric chuck according to claim 3 or 4, it is characterised in that also include:
Housing and bonnet, the housing and bonnet formation accommodate the end-face helical disk and the sky with tooth clutch discs
Between;
Bonnet bearing is provided between the bonnet and the eccentric shaft,
The electric chuck also includes elastic circlip, and its one end is fixed on the eccentric shaft, and is connected to the bonnet bearing.
6. the electric chuck according to claim 3 or 4, it is characterised in that also include:
Capacity eccentric bearing, it is arranged between the eccentric shaft and the band tooth clutch discs.
7. electric chuck according to claim 5, it is characterised in that also include:
Internal gear disc, it is hollow disc, and periphery is fixedly connected on the housing, and the internal tooth of inner circumferential surface and the band tooth clutch
External tooth engagement connection on the periphery of disk.
8. the electric chuck according to claim 3 or 4, it is characterised in that
The eccentric throw of the eccentric shaft is 1.2~2.4mm.
9. electric chuck according to claim 5, it is characterised in that also include:
The housing is provided with least two through slots, and the quantity of the through slot and the quantity of the claw are corresponded;
Through slot described in the insertion of described claw one end, and be arranged at the external tooth of described claw one end and be arranged at the end face spiral shell
Line disk screw thread engagement, thus rotation of the claw through the end-face helical disk and on the through slot inner radial carry out
Displacement.
10. the electric chuck according to claim 3 or 4, it is characterised in that
The motor is threephase asynchronous machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720085811.5U CN206382584U (en) | 2017-01-20 | 2017-01-20 | Electric chuck and its chuck body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720085811.5U CN206382584U (en) | 2017-01-20 | 2017-01-20 | Electric chuck and its chuck body |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206382584U true CN206382584U (en) | 2017-08-08 |
Family
ID=59494459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720085811.5U Expired - Fee Related CN206382584U (en) | 2017-01-20 | 2017-01-20 | Electric chuck and its chuck body |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206382584U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109746738A (en) * | 2017-11-02 | 2019-05-14 | 中国科学院沈阳自动化研究所 | Tubing repairs production line plug and clamps rotary module |
-
2017
- 2017-01-20 CN CN201720085811.5U patent/CN206382584U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109746738A (en) * | 2017-11-02 | 2019-05-14 | 中国科学院沈阳自动化研究所 | Tubing repairs production line plug and clamps rotary module |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180201 Address after: 618000 Shifang City, Deyang, Sichuan Province, Deyang Economic Development Zone (south area) Tuojiang Road West Section Patentee after: Sichuan Tai ho mechanical and Electrical Equipment Co., Ltd. Address before: 618000 Deyang City, Sichuan province Shifang City Ma Town Guanghua village 19 Group No. 33 of No. 1 Patentee before: Liao Junming |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20200120 |
|
CF01 | Termination of patent right due to non-payment of annual fee |