CN204248661U - Quick change electric mill - Google Patents
Quick change electric mill Download PDFInfo
- Publication number
- CN204248661U CN204248661U CN201420753875.4U CN201420753875U CN204248661U CN 204248661 U CN204248661 U CN 204248661U CN 201420753875 U CN201420753875 U CN 201420753875U CN 204248661 U CN204248661 U CN 204248661U
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- CN
- China
- Prior art keywords
- extrusion
- main shaft
- gripping sleeve
- housing
- quick
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Abstract
The utility model discloses a kind of quick change electric mill, belong to electric tool, existing, the utility model is the gripping sleeve be enclosed within main shaft that the elastic clamping lobe configuration one of frame head can move axially, housing is established a quick elastic mechanism, quick elastic mechanism comprises the manipulation handle that is positioned at surface of shell, when manipulation handle draws on housing, quick elastic mechanism impels gripping sleeve to move to a direction vertically, tighten elastic clamping lobe, clamping working head, when manipulation handle is dug from housing, quick elastic mechanism impels gripping sleeve to move to another direction vertically, unclamp elastic clamping lobe, unclamp working head.Therefore, needn't, by instrument, make gripping sleeve clamp or unclamp elastic clamping lobe and replaceable working head by means of only upset manipulation handle, convenient and swift; And, when gripping sleeve unclamps elastic clamping lobe, main shaft locking can be forbidden rotating, guarantee safety when changing working head.
Description
Technical field
The utility model belongs to electric tool, specifically a kind of can the electric mill of quick-replaceable working head.
Background technology
Electric mill is polished to corresponding position with working head rotation by motor, selects different working heads, therefore in use often need change working head according to the demand of polishing.
Existing electric mill comprises housing, the motor be assemblied in housing, by motor-driven main shaft, the chuck be assemblied on main shaft, be assemblied in working head on chuck and gripping sleeve, chuck has the elastic clamping lobe being clamped working head when radial direction tightens, and gripping sleeve is threaded connection on main shaft for tightening elastic clamping lobe.Based on this structure, when needing to change working head, by instrument (as spanner), gripping sleeve must be unscrewed from main shaft, operation inconvenience.And main shaft, often along with gripping sleeve rotates, does not rotate to control main shaft when unscrewing gripping sleeve, must be main shaft configuration shaft lock structure, with operating axis lock construction while unscrewing lock sleeve, it is more inconvenient that this brings replacing working head; And replacing slow movement.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition overcomes slow movement, the defect that is awkward when working head changed by existing electric mill, provides a kind of quick change electric mill.
For achieving the above object, quick change electric mill of the present utility model, comprise housing, be assemblied in the motor in housing, by motor-driven main shaft, be assemblied in the chuck on main shaft, be assemblied in the working head on chuck, described chuck has the elastic clamping lobe being clamped described working head when radial direction tightens, it is characterized in that: the gripping sleeve be enclosed within described main shaft that can move axially for described elastic clamping lobe configuration one, described housing is established a quick elastic mechanism, described quick elastic mechanism comprises the manipulation handle that is positioned at described surface of shell, when described manipulation handle draws on the housing, described quick elastic mechanism impels described gripping sleeve to move to a direction vertically, described gripping sleeve tightens described elastic clamping lobe, described elastic clamping lobe clamps described working head, when described manipulation handle is dug from described housing, described quick elastic mechanism impels described gripping sleeve to move to another direction vertically, described gripping sleeve unclamps described elastic clamping lobe, described elastic clamping lobe unclamps described working head.
As optimization technique means: described quick elastic mechanism comprises lock tube, extrusion, fastening spring, what described lock tube can move axially be enclosed within described main shaft and gripping sleeve described in connecting, the elastic force of described fastening spring impels described gripping sleeve to clamp described elastic clamping lobe, what described extrusion can be displaced sideways is assemblied in described housing, and the manipulation handle described in upset impels described extrusion to be displaced sideways and this is displaced sideways and is converted to moving axially of described lock tube.
As optimization technique means: described extrusion with lock tube is arranged the inclined-plane coordinated.
As optimization technique means: described extrusion comprises the first extrusion, the second extrusion that lay respectively at described main shaft both sides, one end of described manipulation handle makes eccentric wheel and by pinned connection on an extrusion, described eccentric wheel pressure holding is on another extrusion.
As optimization technique means: be provided with between the first described extrusion, the second extrusion and open spring.
As optimization technique means: described main shaft is offered spline groove, described extrusion is provided with lock shaft pin, lock shaft pin described in when described manipulation handle is dug from described housing extends described spline groove by main shaft locking, and the lock shaft pin described in when described manipulation handle draws on the housing departs from from described spline groove.
As optimization technique means: the Backside support of described lock shaft pin has crumple spring.
As optimization technique means: described main shaft is provided with support set, described fastening spring is the helical compression spring be enclosed within described main shaft, and the two ends of described fastening spring are supported on described support set and lock tube respectively and the elastic force of this fastening spring impels described lock tube to move backward.
As optimization technique means: annular groove offered by described main shaft, described annular groove is built-in with back-up ring, and described support set relies on inclined-plane on described back-up ring and described by inclined-plane and extruded in described annular groove by described back-up ring.
As optimization technique means: described housing is equipped with the sheath be enclosed within outside described gripping sleeve, the described end cap of sheath upper joint sleeve outside gripping sleeve.
The beneficial effects of the utility model are: make gripping sleeve clamp or unclamp elastic clamping lobe by upset manipulation handle, can take off or load onto working head when unclamping elastic clamping lobe, working head can be clamped during clamping elastic clamping lobe, this operation needn't by instrument, convenient and swift; And, when gripping sleeve unclamps elastic clamping lobe, main shaft locking can be forbidden rotating, guarantee safety when changing working head.
Accompanying drawing explanation
Fig. 1 is the assembly relation axonometric drawing relating to quick change construction of the utility model quick change electric mill;
Fig. 2 is the axonometric drawing of the housing of the utility model quick change electric mill;
Fig. 3 is the cross-sectional schematic arranging support set on main shaft of the utility model quick change electric mill;
Number in the figure illustrates:
01-housing
11-sheath
12-end cap
02-motor
21-stator
22-rotor
03-main shaft
31-spline groove
32-support set
33-annular groove
34-back-up ring
35-inclined-plane
36-bearing
04-chuck
41-elastic clamping lobe
05-working head
06-gripping sleeve
The quick elastic mechanism of 07-
71-manipulates handle
711-eccentric wheel
712-bearing pin
72-lock tube
721-inclined-plane
73-extrusion
731-first extrusion
732-second extrusion
733-opens spring
734-lock shaft pin
735-crumple spring
74-fastening spring.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described further.
As Fig. 1, it is a preferred embodiment of quick change electric mill of the present utility model shown in 2, this quick change electric mill comprises housing 01, be assemblied in the motor 02 in housing, by motor-driven main shaft 03, be assemblied in the chuck 04 on main shaft, be assemblied in the working head 05 on chuck, for the ease of assembling internal structure, housing 01 is formed by connecting by securing member by two parts as shown in Figure 2, motor 02 is formed by the stator 21 be fixed in housing with relative to the rotor 22 of stator rotation, main shaft 03 to be assemblied in housing by bearing 36 and to be fixed together with rotor, chuck 04 has the elastic clamping lobe 41 being clamped working head when radial direction tightens, common, gap is kept to be used for for providing activity space when elastic clamping lobe is tightened between elastic clamping lobe 41, working head 05 is fix grinding head (as emery wheel in one end of bar, polishing is first-class), as the necessary component part of electric mill, also comprise not shown power supply, gauge tap etc., feature of the present utility model is: for elastic clamping lobe 41 configures a gripping sleeve 06 be enclosed within main shaft that can move axially, housing 01 is established a quick elastic mechanism 07, quick elastic mechanism comprises a manipulation handle 71(diagram being positioned at surface of shell and is positioned at above housing), when manipulation handle 71 draws on housing, quick elastic mechanism 07 impels gripping sleeve 06 to move (be illustrated as and be moved to the left) to a direction vertically, gripping sleeve 06 tightens elastic clamping lobe 41, elastic clamping lobe 41 clamps working head 05, when manipulation handle 71 is dug from housing, quick elastic mechanism 07 impels gripping sleeve 06 to move (be illustrated as and be moved to the left) to another direction vertically, gripping sleeve 06 unclamps elastic clamping lobe 41, elastic clamping lobe 41 unclamps working head 05.As the structure of tightening elastic clamping lobe 41, at elastic clamping lobe 41 or/and gripping sleeve 06 is provided with inclined-plane as the face of tightening.
Therefore, made gripping sleeve 06 clamp by upset manipulation handle 71 or unclamped elastic clamping lobe 41, can take off or load onto working head when unclamping elastic clamping lobe, working head can be clamped during clamping elastic clamping lobe, this operation needn't by instrument, convenient and swift.
Axis described in the application refers to the bearing of trend of main shaft.
For the ease of manipulating outward from housing, elastic clamping lobe is enable to have enough lasting chucking power, quick elastic mechanism 07 comprises lock tube 72, extrusion 73, fastening spring 74, what lock tube 72 can move axially be enclosed within main shaft and connection clamping sleeve 06, the elastic force of fastening spring 74 impels gripping sleeve 06 to clamp elastic clamping lobe 41, extrusion 73 can side direction (namely away from or near the direction of main shaft, general, in the direction perpendicular to main shaft, in order to realize the movement in this direction, in inner walls, gathering sill is set) movement be assemblied in housing, upset manipulation handle 71 impels extrusion 73 to be displaced sideways and this is displaced sideways and is converted to moving axially of lock tube 72.
Concrete, extrusion 73 with lock tube 72 is arranged the inclined-plane 721 coordinated, this inclined-plane can show as the plane of inclination, also can be illustrated taper seat.
In order to make uniform force and reach balance, extrusion 73 comprises the first extrusion 731, second extrusion 732 laying respectively at main shaft both sides, illustrated first extrusion 731 is positioned on the upside of main shaft, the second extrusion 732 is positioned on the downside of main shaft, one end of manipulation handle 71 is made eccentric wheel 711 and is connected on an extrusion (being illustrated as the second extrusion 732) by bearing pin 712, and eccentric wheel 712 pressure holding is on another extrusion (being illustrated as the first extrusion 731).During concrete enforcement, the first extrusion, the second extrusion also can lay respectively at main shaft the left and right sides (as housing be made up of upper and lower two parts time), manipulation handle also can by pinned connection on the first extrusion, eccentric wheel pressure holding is on the second extrusion.Therefore, when overturning manipulation handle, the first extrusion, the second extrusion are squeezed on the inclined-plane of lock tube simultaneously, make lock tube accept balance in the side direction relative to main shaft, are unlikely to produce the side force that acts on main shaft and cause main shaft to bend.
In order to impel the first extrusion 731, second extrusion 732 to separate smoothly, being provided with and opening spring 733 between the first extrusion, the second extrusion, the illustrated spring 733 that opens is two helical pressure.
Potential safety hazard is caused in order to avoid main shaft unintentional rotation during replacing working head, main shaft is offered spline groove 31, extrusion 73 is provided with lock shaft pin 734, when manipulation handle 71 is dug from housing, lock shaft pin 734 extends spline groove 31 by main shaft locking, and when manipulation handle draws on housing, lock shaft pin 734 departs from from spline groove 31.
Stop in order to avoid bottom that lock shaft pin extends spline groove the first extrusion, the second extrusion in opposite directions movement to extrude lock tube, the Backside support of lock shaft pin 734 has crumple spring 735, therefore, when the first extrusion, the second extrusion be displaced sideways close to each other cause lock shaft pin 734 to extend the bottom of spline groove 31 after, lock shaft pin 734 compresses crumple spring 735 and crumple, first extrusion 731, second extrusion 732 can continue to be displaced sideways close to each other, impel lock tube 72 to produce and larger move axially distance, enable elastic clamping lobe fully open and discharge working head.
Main shaft 03 is provided with support set 32, fastening spring 74 is for being enclosed within the helical compression spring on main shaft, the two ends of fastening spring are supported on support set 32 and lock tube 72 respectively and the elastic force of this fastening spring impels lock tube to move backward (" front " described in the application refers to one end of main shaft installment work head, and described " afterwards " refers to one end of the non-installment work head of main shaft).
See Fig. 3, main shaft 03 is offered annular groove 33, annular groove 33 is built-in with back-up ring 34, and support set 32 relies on back-up ring 34 and inclined-plane 35 by inclined-plane 35 and extruded in annular groove 33 by back-up ring 34, avoids back-up ring to deviate from from annular groove.
In order to protect chuck, gripping sleeve, avoiding the distortion that is collided, housing 01 being equipped with the sheath 11 be enclosed within outside gripping sleeve, sheath 11 is threaded connection the end cap 12 be enclosed within outside gripping sleeve.
Based on above-mentioned preferred embodiment, when manipulation handle 71 draws on housing, lock shaft pin 734 departs from from spline groove 31, first extrusion 731, second extrusion 732 is separated under the effect of cut spring, lock tube 72 moves backward with gripping sleeve 06 under the elastic force of fastening spring 74, gripping sleeve 06 tightens elastic clamping lobe 41, elastic clamping lobe 41 clamps working head 05, and main shaft can work with working head 05 with rotor turns.
When manipulation handle 71 is dug from housing, under eccentric wheel 711 and bearing pin 712 act on, first extrusion 731, second extrusion 732 is to drawing close together, and extrude the inclined-plane 721 of lock tube 72, force lock tube 72 to move forward with gripping sleeve 06, gripping sleeve 06 unclamps elastic clamping lobe 41, elastic clamping lobe 41 unclamps working head 05, i.e. replaceable working head, and now lock shaft pin 734 extends spline groove 31 by main shaft locking, avoids main axis.
Claims (10)
1. quick change electric mill, comprise housing (01), be assemblied in the motor (02) in housing, by motor-driven main shaft (03), be assemblied in the chuck (04) on main shaft, be assemblied in the working head (05) on chuck, described chuck (04) has the elastic clamping lobe (41) being clamped described working head when radial direction tightens, it is characterized in that: the gripping sleeve (06) be enclosed within described main shaft that can move axially for described elastic clamping lobe (41) configuration one, described housing (01) is established a quick elastic mechanism (07), described quick elastic mechanism (07) comprises the manipulation handle (71) that is positioned at described surface of shell, described manipulation handle (71) is drawn the described quick elastic mechanism (07) when described housing (01) is upper in and is impelled described gripping sleeve (06) to move to a direction vertically, described gripping sleeve (06) tightens described elastic clamping lobe (41), described elastic clamping lobe (41) clamps described working head (05), described manipulation handle (71) when digging from described housing described quick elastic mechanism (07) impel described gripping sleeve (06) to move to another direction vertically, described gripping sleeve (06) unclamps described elastic clamping lobe (41), described elastic clamping lobe (41) unclamps described working head (05).
2. quick change electric mill according to claim 1, it is characterized in that: described quick elastic mechanism (07) comprises lock tube (72), extrusion (73), fastening spring (74), what described lock tube (72) can move axially be enclosed within, and described main shaft (03) goes up and gripping sleeve (06) described in connecting, the elastic force of described fastening spring (74) impels described gripping sleeve (72) to clamp described elastic clamping lobe (41), what described extrusion (73) can be displaced sideways is assemblied in described housing (01), manipulation handle (71) described in upset impels described extrusion (73) to be displaced sideways and this to be displaced sideways to be converted to moving axially of described lock tube (72).
3. quick change electric mill according to claim 2, is characterized in that: described extrusion (73) with lock tube (72) is arranged the inclined-plane (721) coordinated.
4. quick change electric mill according to claim 2, it is characterized in that: described extrusion (73) comprises the first extrusion (731), the second extrusion (732) that lay respectively at described main shaft (03) both sides, one end of described manipulation handle (71) is made eccentric wheel (711) and is connected on the extrusion described in, on the described extrusion of eccentric wheel (711) pressure holding described in another by bearing pin (712).
5. quick change electric mill according to claim 4, is characterized in that: be provided with between described the first extrusion (731), the second extrusion (732) and open spring (733).
6. the quick change electric mill according to claim 2 or 4, it is characterized in that: spline groove (31) offered by described main shaft (03), described extrusion (73) is provided with lock shaft pin (734), lock shaft pin (734) described in when described manipulation handle (71) is dug from described housing extends described spline groove (31) by main shaft locking, and the lock shaft pin (734) described in when described manipulation handle (71) is drawn on the housing departs from from described spline groove (31).
7. quick change electric mill according to claim 6, is characterized in that: the Backside support of described lock shaft pin (734) has crumple spring (735).
8. quick change electric mill according to claim 2, it is characterized in that: described main shaft is provided with support set (32), described fastening spring (74) is for being enclosed within the helical compression spring on described main shaft, and the two ends of described fastening spring are supported on described support set (32) respectively and lock tube (72) is upper and the elastic force of this fastening spring impels described lock tube to move backward.
9. quick change electric mill according to claim 8, it is characterized in that: annular groove (33) offered by described main shaft (03), described annular groove (33) is built-in with back-up ring (34), and described support set (33) relies on the upper and described inclined-plane (35) of described back-up ring (34) by the extruding in described annular groove (33) of described back-up ring (34) by inclined-plane (35).
10. quick change electric mill according to claim 1, is characterized in that: described housing (01) is equipped with the sheath (11) being enclosed within described gripping sleeve (06) outside, the described end cap of sheath (11) upper joint sleeve outside gripping sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753875.4U CN204248661U (en) | 2014-12-04 | 2014-12-04 | Quick change electric mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753875.4U CN204248661U (en) | 2014-12-04 | 2014-12-04 | Quick change electric mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204248661U true CN204248661U (en) | 2015-04-08 |
Family
ID=52953011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420753875.4U Expired - Fee Related CN204248661U (en) | 2014-12-04 | 2014-12-04 | Quick change electric mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204248661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108823A (en) * | 2018-10-11 | 2019-01-01 | 梯伦豪斯机械（上海）有限公司 | Grinding head more changing device and centreless grinding Superfinishing machine equipped with the device |
| CN109159016A (en) * | 2018-11-07 | 2019-01-08 | 惠州市新视觉实业有限公司 | A kind of shell polissoir |
-
2014
- 2014-12-04 CN CN201420753875.4U patent/CN204248661U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108823A (en) * | 2018-10-11 | 2019-01-01 | 梯伦豪斯机械（上海）有限公司 | Grinding head more changing device and centreless grinding Superfinishing machine equipped with the device |
| CN109159016A (en) * | 2018-11-07 | 2019-01-08 | 惠州市新视觉实业有限公司 | A kind of shell polissoir |
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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: 20150408 Termination date: 20181204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |