CN206952182U - A kind of main shaft clamping mechanism for automatic lathe - Google Patents
A kind of main shaft clamping mechanism for automatic lathe Download PDFInfo
- Publication number
- CN206952182U CN206952182U CN201720920956.2U CN201720920956U CN206952182U CN 206952182 U CN206952182 U CN 206952182U CN 201720920956 U CN201720920956 U CN 201720920956U CN 206952182 U CN206952182 U CN 206952182U
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- CN
- China
- Prior art keywords
- main shaft
- expansion link
- spring
- clamping mechanism
- automatic lathe
- 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.)
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Abstract
The utility model discloses a kind of main shaft clamping mechanism for automatic lathe,Including main spindle box and adjustment mechanism,The left end of the main spindle box is installed with cylinder,The front of the main spindle box is provided with main shaft,The outer surface of the main shaft is also installed with adjustment mechanism,The upper end of the adjustment mechanism is additionally provided with expansion link adjusting nut,The inner surface of the main shaft is inlaid with piston brace rod,The right-hand member of the piston brace rod is connected by shaft coupling with expansion link,And also it is connected at the both ends of expansion link by expansion link spring with thrust ball bearing,The right-hand member of the expansion link is provided with cluster spring,The right-hand member of the cluster spring is slidably connected by sliding block with being connected workpiece,Whole device had both solved the complexity of main shaft clamping mechanism,Also substantially increase the accuracy of main shaft clamping mechanism,Bigger convenience is provided for the operation of automatic lathe,It is easy to detect the precision of lathe transport,It is and easy for installation.
Description
Technical field
It the utility model is related to automatic lathe technical field, specially a kind of main shaft clamping mechanism for automatic lathe.
Background technology
With expanding economy and the progress of science and technology, people are more and more for the usage amount of automatic lathe, especially exist
Requirement in terms of the precision controlling of lathe is also more and more higher, but certain lack in terms of the Spindle control of lathe at present also be present
Fall into：
（1）At present some automatic machine tools due to oil cylinder mounted in main shaft tail end it is bad solve main shaft rotation and piston it is reciprocal
Motion, and axial grip is abandoned, use pneumatic pinch instead.This realizes that automation is unfavorable for complete machine.Pneumatic pinch is adopted more
With reversible type cylinder, because inertia is big when in use, machine vibration is added, reduces cutting precision；
（2）The main shaft clamping mechanism of traditional main shaft clamping mechanism, particularly machining center, typically all use and run through main shaft
The rod-pulling type clamp system of centre bore, this mechanism structure is complicated, processing difficulties, and space-consuming is larger.
The content of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of main shaft claming machine for automatic lathe
Structure, both solved the complexity of main shaft clamping mechanism, and also substantially increased the accuracy of main shaft clamping mechanism, and be automatic lathe
Operation provides bigger convenience, is easy to detect the precision of lathe transport.And it is easy for installation, it can effectively solve the problem that background technology carries
The problem of going out.
Technical scheme is used by the utility model solves its technical problem：A kind of main shaft claming for automatic lathe
Mechanism, including main spindle box and adjustment mechanism, the left end of the main spindle box are installed with cylinder, the front installation of the main spindle box
There is main shaft, the outer surface of the main shaft is also installed with adjustment mechanism, and the upper end of the adjustment mechanism is additionally provided with expansion link
Adjusting nut, the inner surface of the main shaft are inlaid with piston brace rod, and the right-hand member of the piston brace rod is by shaft coupling with stretching
Contracting bar is connected, and is also connected at the both ends of expansion link by expansion link spring with thrust ball bearing, the expansion link spring
Outer surface be additionally provided with spring positioning disk, and spring positioning disk is arranged on the right-hand member of adjustment mechanism, the right-hand member of the expansion link
Cluster spring is provided with, the right-hand member of the cluster spring is slidably connected by sliding block with being connected workpiece, and the two of cluster spring
End is additionally provided with cylinder interface.
As a kind of technical scheme for having choosing of the utility model, the outer surface of the expansion link is additionally provided with two sliding blocks and answered
Position spring, and the left end of two sliding block back-moving springs is connected with thrust ball bearing.
As a kind of technical scheme for having choosing of the utility model, the left end of the piston brace rod and main shaft is by rotating spiral shell
Nail is connected.
As a kind of technical scheme for having choosing of the utility model, the adjustment mechanism includes adjustment guide rail and adpting flange,
The inner surface of the adjustment guide rail is inlaid with main shaft, and the two sides of the main shaft are provided with cushion, and in the upper end of main shaft also
Adpting flange is provided with, the adpting flange is fixedly connected by hexagon socket head cap screw with adjustment guide rail, and the lower end of the main shaft is also
Clamp body is provided with, the left end of the clamp body is connected by spring shim with stud.
As a kind of technical scheme for having choosing of the utility model, the spring positioning disk includes upright lever, described vertical
The left end of lever is connected by gauge head micrometer adjusting screw with adjustable gauge head locating piece, and is additionally provided with the upper surface of upright lever
Connecting fulcrum, the lower end of the upright lever are provided with roller gauge head, and the lower end of the roller gauge head is directly connected with accurate axle
Connect, be also fixedly connected in the left end of accurate axle by the connecting rod with roller gauge head with adjustable gauge head locating piece.
As a kind of technical scheme for having choosing of the utility model, the upright lever has two orthogonal lever groups
Into, and be connected between two levers by rotary shaft.
As a kind of technical scheme for having choosing of the utility model, between the upright lever and adjustable gauge head locating piece both ends
It is fixedly connected with the both ends of expansion link spring.
Compared with prior art, the beneficial effects of the utility model are：
（1）The utility model is passed through flexible by the way of the combination expansion link of piston brace rod using thrust ball bearing
The length of bar spring adjustable telescopic rod, and by the upright lever on spring positioning disk, ensure Y by adjusting roller gauge head
Value and X values are equal, and upright lever can rotate around rotary shaft.On adjustable gauge head locating piece, adjustment locating piece exists roller gauge head
Position in groove, reach the flexible requirement of expansion link so that expansion link can promote right according to the length requirement of piston brace rod
The cluster spring at end, using cluster spring and sliding block regulation workpiece movement, so as to ensure piston brace rod motionless and workpiece rotation
Requirement, and the distance between roller gauge head and the connecting rod gauge head with roller gauge head can meet different model, different sizes
The measurement of part needs, and improves the practicality of positioning disk.
（2）The utility model is by installing and adjusting mechanism, together with rectangle adpting flange and central principal axis sleeve weld,
There is a rectangle straight-line groove equal with rectangle adpting flange width at the clamp body back side as adjustment guide rail, opened in rectangular channel
There are more straight-line grooves for each and every one making central principal axis sleeve and six hexagon socket head cap screw movements.When the center of rotation of modular fixture needs to adjust
During section, hexagon socket head cap screw is unclamped, along adjustment guide rail moving member adpting flange adjustment relative position, after position adjustment is good, is led to
Hexagon socket head cap screw is crossed again to be locked on clamp body adpting flange.Wherein Adjustment precision is with adpting flange and adjustment guide rail
Precision ensures, is changed by adjusting the center position of fixture to adapt to the radius of turn of different size knee.
（3）It is the mechanism separated between adjustment mechanism of the present utility model and spring positioning disk, each bolt between the two
It is connected, easy to disassemble or replacing is simple to operate, practical.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is spring positioning disk structural representation of the present utility model；
Fig. 3 is adjustment mechanism structural representation of the present utility model.
In figure：1- main spindle boxes;2- cylinders；3- spring positioning disks；4- piston brace rods；5- adjustment mechanisms；6- expansion links are adjusted
Whole nut；7- shaft couplings；8- expansion link springs；9- thrust ball bearings；10- sliding block back-moving springs；11- expansion links；12- combines bullet
Spring；13- cylinder interfaces；14- sliding blocks；15- connection workpiece；16- main shafts；300- connecting fulcrums；301- upright levers；302- gauge heads
Micrometer adjusting screw；303- is adjustable gauge head locating piece；304- precision axles；305- connecting rods；306- rotary shafts；307- roller gauge heads；500-
Adjust guide rail；502- adpting flanges；503- clamp bodies；504- spring shims；505- studs.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model, and it is not used to limit the utility model.
Embodiment：
As shown in figure 1, the utility model provides a kind of main shaft clamping mechanism for automatic lathe, including main spindle box 1
With adjustment mechanism 5, the left end of the main spindle box 1 is installed with cylinder 2, and the front of the main spindle box 1 is provided with main shaft 16, institute
The outer surface for stating main shaft 16 is also installed with adjustment mechanism 5, and the upper end of the adjustment mechanism 5 is additionally provided with expansion link adjustment spiral shell
Mother 6, the inner surface of the main shaft 16 are inlaid with piston brace rod 4, and the left end of the piston brace rod 4 and main shaft 16 passes through rotation
Screw is connected, and the right-hand member of the piston brace rod 4 is connected by shaft coupling 7 with expansion link 11, and the two of expansion link 11
End is also connected by expansion link spring 8 with thrust ball bearing 9, and the outer surface of the expansion link spring 8 is additionally provided with spring and determined
Position disk 3, and spring positioning disk 3 is arranged on the right-hand member of adjustment mechanism 5, the right-hand member of the expansion link 11 is provided with cluster spring 12,
The right-hand member of the cluster spring 12 is slidably connected by sliding block 14 with being connected workpiece 15, and is also set up at the both ends of cluster spring 12
There is cylinder interface 13, the outer surface of the expansion link 11 is additionally provided with two sliding block back-moving springs 17, and two sliding blocks reset bullet
The left end of spring 17 is connected with thrust ball bearing 9, and when cylinder clip clamping of workpieces, the cone of the right-hand member of expansion link 11 holds out against small axle
Taper hole, when clamp body drive workpiece rotates with main shaft, the bearing on small axle rotates, and piston brace rod and steam-cylinder piston are not
It is dynamic.When cylinder unclamps workpiece, the tension spring on expansion link opens, and expansion link moves along guiding movement groove thereon, makes to stretch
Contracting bar and small axle are still fitted close, and ensure that workpiece rotates and cylinder piston rod is motionless..
Expansion link adjusting nut 6 and small round nut are housed on the expansion link 11, small round nut is unclamped, is adjusted by expansion link
Whole nut 6 can be made the two suitable reliable, ensured clamp body rotation with the stroke of adjustable telescopic rod 11 and the tension force of expansion link spring 8
Turn smooth.
As shown in figure 3, the adjustment mechanism 5 includes adjustment guide rail 500 and adpting flange 502, the adjustment guide rail 500
Inner surface is inlaid with main shaft 16, and the two sides of the main shaft 16 are provided with cushion 501, and are additionally provided with the upper end of main shaft 16
Adpting flange 502, the adpting flange 502 is fixedly connected by hexagon socket head cap screw with adjustment guide rail 500, under the main shaft 16
End is additionally provided with clamp body 503, and the left end of the clamp body 503 is connected by spring shim 504 with stud 505.
As shown in Fig. 2 the spring positioning disk 3 includes upright lever 301, the left end of the upright lever 301 passes through survey
Head micrometer adjusting screw 302 is connected with adjustable gauge head locating piece 303, and connection branch is additionally provided with the upper surface of upright lever 301
Point 300, the lower end of the upright lever 301 are provided with roller gauge head 307, the lower end of the roller gauge head 307 directly with precision
Axle 304 is connected, solid also by the connecting rod 305 with roller gauge head and adjustable gauge head locating piece 303 in the left end of accurate axle 304
Fixed connection, the upright lever 301 is made up of two orthogonal levers, and passes through the phase of rotary shaft 306 between two levers
Connection, the both ends of expansion link spring 8 are fixedly connected between the upright lever 301 and the adjustable both ends of gauge head locating piece 303.
（1）The utility model is passed through flexible by the way of the combination expansion link of piston brace rod using thrust ball bearing
The length of bar spring adjustable telescopic rod, and by the upright lever on spring positioning disk, ensure Y by adjusting roller gauge head
Value and X values are equal, and upright lever can rotate around rotary shaft.On adjustable gauge head locating piece, adjustment locating piece exists roller gauge head
Position in groove, reach the flexible requirement of expansion link so that expansion link can promote right according to the length requirement of piston brace rod
The cluster spring at end, using cluster spring and sliding block regulation workpiece movement, so as to ensure piston brace rod motionless and workpiece rotation
Requirement, and the distance between roller gauge head and the connecting rod gauge head with roller gauge head can meet different model, different sizes
The measurement of part needs, and improves the practicality of positioning disk.
（2）The utility model is by installing and adjusting mechanism, together with rectangle adpting flange and central principal axis sleeve weld,
There is a rectangle straight-line groove equal with rectangle adpting flange width at the clamp body back side as adjustment guide rail, opened in rectangular channel
There are more straight-line grooves for each and every one making central principal axis sleeve and six hexagon socket head cap screw movements.When the center of rotation of modular fixture needs to adjust
During section, hexagon socket head cap screw is unclamped, along adjustment guide rail moving member adpting flange adjustment relative position, after position adjustment is good, is led to
Hexagon socket head cap screw is crossed again to be locked on clamp body adpting flange.Wherein Adjustment precision is with adpting flange and adjustment guide rail
Precision ensures, is changed by adjusting the center position of fixture to adapt to the radius of turn of different size knee.
（3）It is the mechanism separated between adjustment mechanism of the present utility model and spring positioning disk, each bolt between the two
It is connected, easy to disassemble or replacing is simple to operate, practical.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (7)
- A kind of 1. main shaft clamping mechanism for automatic lathe, it is characterised in that：Including main spindle box（1）And adjustment mechanism（5）, institute State main spindle box（1）Left end be installed with cylinder（2）, the main spindle box（1）Front main shaft is installed（16）, the main shaft （16）Outer surface be also installed with adjustment mechanism（5）, the adjustment mechanism（5）Upper end be additionally provided with expansion link adjustment spiral shell It is female（6）, the main shaft（16）Inner surface be inlaid with piston brace rod（4）, the piston brace rod（4）Right-hand member pass through shaft coupling Device（7）With expansion link（11）It is connected, and in expansion link（11）Both ends also pass through expansion link spring（8）With thrust ball bearing （9）It is connected, the expansion link spring（8）Outer surface be additionally provided with spring positioning disk（3）, and spring positioning disk（3）Set In adjustment mechanism（5）Right-hand member, the expansion link（11）Right-hand member be provided with cluster spring（12）, the cluster spring（12）'s Right-hand member passes through sliding block（14）With being connected workpiece（15）It is slidably connected, and in cluster spring（12）Both ends be additionally provided with cylinder interface （13）.
- A kind of 2. main shaft clamping mechanism for automatic lathe according to claim 1, it is characterised in that：The expansion link （11）Outer surface be additionally provided with two sliding block back-moving springs（10）, and two sliding block back-moving springs（10）Left end and thrust Ball bearing（9）It is connected.
- A kind of 3. main shaft clamping mechanism for automatic lathe according to claim 1, it is characterised in that：The piston connects Extension bar（4）With main shaft（16）Left end be connected by rotary screw.
- A kind of 4. main shaft clamping mechanism for automatic lathe according to claim 1, it is characterised in that：The adjustment machine Structure（5）Including adjusting guide rail（500）And adpting flange（502）, the adjustment guide rail（500）Inner surface be inlaid with main shaft （16）, the main shaft（16）Two sides be provided with cushion（501）, and in main shaft（16）Upper end be additionally provided with adpting flange （502）, the adpting flange（502）Pass through hexagon socket head cap screw and adjustment guide rail（500）It is fixedly connected, the main shaft（16）Under End is additionally provided with clamp body（503）, the clamp body（503）Left end pass through spring shim（504）With stud（505）It is connected Connect.
- A kind of 5. main shaft clamping mechanism for automatic lathe according to claim 4, it is characterised in that：The spring is determined Position disk（3）Including upright lever（301）, the upright lever（301）Left end pass through gauge head micrometer adjusting screw（302）With can commissioning Head locating piece（303）It is connected, and in upright lever（301）Upper surface be additionally provided with connecting fulcrum（300）, the vertical thick stick Bar（301）Lower end be provided with roller gauge head（307）, the roller gauge head（307）Lower end directly with accurate axle（304）It is connected Connect, in accurate axle（304）Left end also pass through the connecting rod with roller gauge head（305）With adjustable gauge head locating piece（303）It is fixed Connection.
- A kind of 6. main shaft clamping mechanism for automatic lathe according to claim 5, it is characterised in that：The vertical thick stick Bar（301）It is made up of two orthogonal levers, and passes through rotary shaft between two levers（306）It is connected.
- A kind of 7. main shaft clamping mechanism for automatic lathe according to claim 5, it is characterised in that：The vertical thick stick Bar（301）With adjustable gauge head locating piece（303）Expansion link spring is fixedly connected between both ends（8）Both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720920956.2U CN206952182U (en) | 2017-07-27 | 2017-07-27 | A kind of main shaft clamping mechanism for automatic lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720920956.2U CN206952182U (en) | 2017-07-27 | 2017-07-27 | A kind of main shaft clamping mechanism for automatic lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206952182U true CN206952182U (en) | 2018-02-02 |
Family
ID=61381500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720920956.2U Expired - Fee Related CN206952182U (en) | 2017-07-27 | 2017-07-27 | A kind of main shaft clamping mechanism for automatic lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206952182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743112A (en) * | 2020-12-18 | 2021-05-04 | 珠海格力电器股份有限公司 | Shaft core, electric main shaft and machine tool |
-
2017
- 2017-07-27 CN CN201720920956.2U patent/CN206952182U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743112A (en) * | 2020-12-18 | 2021-05-04 | 珠海格力电器股份有限公司 | Shaft core, electric main shaft and machine tool |
| CN112743112B (en) * | 2020-12-18 | 2022-03-08 | 珠海格力电器股份有限公司 | Shaft core, electric main shaft and machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180202 Termination date: 20180727 |