CN102975081B - Indexing and positioning mechanism of rotary-tower knifetool rest - Google Patents
Indexing and positioning mechanism of rotary-tower knifetool rest Download PDFInfo
- Publication number
- CN102975081B CN102975081B CN201210479699.5A CN201210479699A CN102975081B CN 102975081 B CN102975081 B CN 102975081B CN 201210479699 A CN201210479699 A CN 201210479699A CN 102975081 B CN102975081 B CN 102975081B
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- China
- Prior art keywords
- fluted disc
- positioning
- disk
- main shaft
- active toothed
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Abstract
The invention provides an indexing and positioning mechanism of a rotary-tower knifetool rest, comprising a main shaft and a box body, wherein the box body is arranged at the periphery of the main shaft. The indexing and positioning mechanism is characterized by also comprising a locking tooth disc, a positioning disc and a movable tooth disc, wherein the movable tooth disc is arranged at the front end of the main shaft; the movable tooth disc is provided with a knifetool disc; the positioning disc is arranged on the box body; the locking tooth disc is arranged on a shaft body of the main shaft and can move on the shaft body of the main shaft along the axial direction of the main shaft; the locking tooth disc is meshed with the movable tooth disc by conical teeth arranged at the front end; and the locking tooth disc is connected with the positioning disc by a guiding and positioning pin. The indexing and positioning mechanism provided by the invention ahs the advantages of reasonable structure and obvious effect.
Description
Technical field
The invention belongs to Digit Control Machine Tool knife rest technical field, the more particularly to a kind of indexing of Digit Control Machine Tool turret use are calmly
Position mechanism.
Background technology
Current numerically-controlled slide great majority are indexed using fluted disc, positioned, and fluted disc has two kinds of forms：Duplex fluted disc and three
Connection fluted disc.United States Patent (USP) US20050247172A1 adopts duplex fluted disc structure, and duplex fluted disc structure is relatively easy, only by dynamic tooth
Disk and fixed tooth disk are constituted.Active toothed disk is arranged on main shaft, and fixed tooth disk is arranged on casing, and two fluted disc teeth are relative, active toothed disk
Return to slide and realize engagement, separate.Because cutterhead is arranged on active toothed disk, active toothed disk quality is big, and sliding velocity is low and impacts big.
Patent WO2009/012875A1 adopts three fluted disc structures, and three fluted discs are by active toothed disk, fixed tooth disk and locking fluted disc
Constitute, active toothed disk is arranged on main shaft, fixed tooth disk is arranged on casing, lock fluted disc and be arranged on the right of active toothed disk and fixed tooth disk
Side, locks the realization engagement that slidably reciprocates of fluted disc, separates, and its principle is as shown in Figure 1.Locking fluted disc quality is little, and sliding velocity is fast,
And impact little.When three fluted discs is installed, there is rigging error between active toothed disk and fixed tooth disk unavoidably, active toothed disk and fixed tooth disk produce axle
To dislocation：Can not combine closely with active toothed disk if locking fluted disc is combined closely with fixed tooth disk, as shown in Figure 2；If locking
Fluted disc is combined closely with active toothed disk, cannot be combined closely with fixed tooth disk, as shown in Figure 3.So cause the contact surface of three fluted discs
Rigidity reduce, the repetitive positioning accuracy of knife rest reduces, or even " penetration of a cutting tool " phenomenon occurs.
The content of the invention
Goal of the invention：The invention provides a kind of turret dividing and positioning mechanism, its purpose is to solve in the past
Knife rest contact stiffness is low and the low problem of repetitive positioning accuracy.
Technical scheme：The present invention is achieved by the following technical solutions：
A kind of turret dividing and positioning mechanism, including main shaft and casing, casing is arranged on around main shaft, and its feature exists
In：The mechanism also includes locking fluted disc, positioning disk and active toothed disk；Active toothed disk is arranged on the front end of main shaft, and knife is installed on active toothed disk
Disk, positioning disk is arranged on casing, and locking fluted disc is arranged on main shaft axis body and can move axially along main shaft on main shaft axis body,
Locking fluted disc is engaged by being arranged on the taper teeth of front end with active toothed disk, and locking fluted disc is connected by guide positioning pin with positioning disk
Connect.
The end that one end of positioning disk is put in guide positioning pin is provided with buffer unit.
Positioning key is provided between guide positioning pin and locking fluted disc.
The limit is moved rearwardly in locking fluted disc, and when separating with active toothed disk, guide positioning pin is without departing from positioning disk
Pin-and-hole.
Advantage and effect：The invention provides a kind of turret dividing and positioning mechanism, including main shaft and casing, casing sets
Put around main shaft, it is characterised in that：The mechanism also includes locking fluted disc, positioning disk and active toothed disk；Active toothed disk is arranged on main shaft
Front end, positioning disk is arranged on casing, and locking fluted disc is arranged on main shaft axis body and can be on main shaft axis body along main shaft axial direction
Mobile, locking fluted disc is engaged by being arranged on the taper teeth of front end with active toothed disk, and locking fluted disc passes through guide positioning pin and determines
Position disk connection.
The invention has the beneficial effects as follows：
(1) only a pair of fluted discs are meshed between positioning disk, active toothed disk and locking fluted disc, can eliminate due to processing and filling
Phenomenon that cannot be at a fully engaged between fluted disc and fixed tooth disk, active toothed disk is locked with three fluted discs caused by error, positioning is improved
Precision and contact stiffness；
(2) due to being provided with buffer unit in the guide-localization pin-and-hole of positioning disk, it is possible to reduce locking fluted disc and dynamic tooth
Impact in disk engagement process, can extend the service life of locking fluted disc and active toothed disk；
(3) lock fluted disc and adopt conical tooth with the tooth of active toothed disk, with self-centering effect, increase the footpath of knife rest rotation
To precision；
(4) lock fluted disc and abandon the secondary way of contact of original fluted disc with positioning disk, using the connection side of guide positioning pin
Formula is simple structure, compact.
Description of the drawings：
Fig. 1 is three fluted disc structure schematic diagrams of background technology
Fig. 2 is tightly engaged for the locking fluted disc of three fluted discs of background technology with fixed tooth disk；
Fig. 3 is tightly engaged for the locking fluted disc of three fluted discs of background technology with active toothed disk；
Fig. 4 is the structural representation (locking state) of the present invention
Fig. 5 is the structural representation (released state) of the present invention
Fig. 6 is the A-A profiles of Fig. 4；
Fig. 7 is the partial view of Fig. 4 structure part Bs.
Fig. 8 is the C-C profiles of Fig. 4；
Embodiment：The present invention is further illustrated below in conjunction with the accompanying drawings：
It is as Figure 1-3 background technology accompanying drawing, 111 is active toothed disk in Fig. 1, and 112 is fixed tooth disk, and 113 are locking fluted disc
Constitute, 114 is main shaft, and 115 is casing.
As shown in Figure 4 and Figure 5, the present invention provides a kind of turret dividing and positioning mechanism, including main shaft 8 and casing 3, case
Body 3 is arranged on around main shaft 8, and the mechanism also includes locking fluted disc 1, positioning disk 4 and active toothed disk 6；Active toothed disk 6 is arranged on main shaft 8
Front end, cutterhead 7 is installed on active toothed disk 6, positioning disk 4 is arranged on casing 3, and locking fluted disc 1 is arranged on main shaft axis body and energy
Move axially along main shaft on main shaft axis body, locking fluted disc 1 is engaged by being arranged on the taper teeth 12 of front end with active toothed disk 6,
Locking fluted disc 1 is connected by guide positioning pin 2 with positioning disk 4.The end of one end of positioning disk 4 is put in guide positioning pin 2
It is provided with buffer unit 5.As shown in fig. 7, buffer unit is made up of baffle plate 10 and spring 9.
Positioning key 11 is provided between guide positioning pin 2 and locking fluted disc 1.The one end of guide positioning pin 2 is fixed on by nut
On locking fluted disc 1, and circumferential position is positioned by positioning key 11, positioning key 11 as shown in Fig. 8, insert by the other end of guide positioning pin 2
In the rectangle guide-localization hole of positioning disk, and therewith formed coordinate the rectangle guide-localization hole as shown in Fig. 6, and with hole in
Buffer unit 5 contact extruding.Positioning key 11 is arranged in the keyway of guide positioning pin 2, is then directed to alignment pin 2 in lock
Keyway of the teeth side of tight fluted disc on locking fluted disc is filled in, and is finally directed to alignment pin 2 by nut and is locked.Guide-localization
Pin can as requested arrange 4,6, the varying numbers such as 8.
The limit is moved rearwardly in locking fluted disc 1, and when separating with active toothed disk 6, guide positioning pin is without departing from positioning disk 4
Pin-and-hole.
The present invention is a kind of accurately indexing, the mechanism of positioning.Locking fluted disc in the present invention is arranged on positioning disk and moves
The offside of fluted disc, locks slidably reciprocating for fluted disc and realizes its engagement with active toothed disk and separate；Conical tooth on active toothed disk, can be with
It is meshed with the conical tooth on the end face of locking fluted disc side, constitutes duplex fluted disc；Locking fluted disc is by guide positioning pin and positioning
Disk connects, and reaches the purpose positioned when guiding when locking fluted disc slides, cutterhead tool changing.
Mechanism of the present invention is in locking, as shown in figure 4, the locking forward slip of fluted disc 1, after certain distance is slided,
Guide positioning pin 2 is had an effect with buffer unit 5, reduces the speed of forward slip, locking fluted disc 1 is slowly connect with active toothed disk 6
Touch and finally compress the intermeshing flank of tooth, due to adopting conical tooth, when active toothed disk 6 and locking fluted disc 1 are mutually compressed to be engaged
Good centripetal centering is had, axiality is improved, and during engaging, the speed for locking fluted disc 1 is little, to active toothed disk 6
The impulsive force of the flank of tooth is little, reaches the purpose of the protection flank of tooth.Simultaneously as guide positioning pin 2 and the guide-localization hole on positioning disk 4
Good assembling coordinate, reach accurate circumferentially positioned purpose.Understand in narration on this, the mechanism is not due to determining tooth
The effect of disk, so the three's meshing relation without considering fixed tooth disk, active toothed disk and locking fluted disc, and because the processing of fluted disc is answered
Miscellaneous, the mechanism also simplify the overall structure of knife rest.
When tool changing is needed, as shown in figure 5, locking fluted disc 1 is slided backward, and under the spring effect of buffer unit 5
Can accelerate to be moved rearwards by, the time being kept completely separate in the locking teeth for making the driven fluted disc 6 of locking teeth of locking fluted disc 1 is reduced, it is overall
Upper reduction tool change time.Now guide positioning pin 2 is not extracted completely from the guide-localization pin-and-hole of positioning disk 4, to ensure
Guide effect to locking fluted disc 1.
Claims (2)
1. a kind of turret dividing and positioning mechanism, including main shaft（8）And casing（3）, casing（3）It is arranged on main shaft（8）Around,
It is characterized in that：The mechanism also includes locking fluted disc（1）, positioning disk（4）And active toothed disk（6）；Active toothed disk（6）It is arranged on main shaft
（8）Front end, active toothed disk（6）Upper installation cutterhead（7）, positioning disk（4）It is arranged on casing（3）On, lock fluted disc（1）It is arranged on master
On axle axis body and can on main shaft axis body along main shaft move axially, lock fluted disc（1）By the taper teeth for being arranged on front end
（12）With active toothed disk（6）Engagement, locks fluted disc（1）By guide positioning pin（2）With positioning disk（4）Connection；
In guide positioning pin（2）Put in positioning disk（4）The end of one end be provided with buffer unit（5）；In locking fluted disc（1）
It is moved rearwardly into the limit, and and active toothed disk（6）During separation, guide positioning pin is without departing from positioning disk（4）On pin-and-hole.
2. turret dividing and positioning mechanism according to claim 1, it is characterised in that：Guide positioning pin（2）With locking
Fluted disc（1）Between be provided with positioning key（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479699.5A CN102975081B (en) | 2012-11-23 | 2012-11-23 | Indexing and positioning mechanism of rotary-tower knifetool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479699.5A CN102975081B (en) | 2012-11-23 | 2012-11-23 | Indexing and positioning mechanism of rotary-tower knifetool rest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102975081A CN102975081A (en) | 2013-03-20 |
| CN102975081B true CN102975081B (en) | 2017-05-10 |
Family
ID=47849585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210479699.5A Expired - Fee Related CN102975081B (en) | 2012-11-23 | 2012-11-23 | Indexing and positioning mechanism of rotary-tower knifetool rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102975081B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273377A (en) * | 2013-06-20 | 2013-09-04 | 苏州速腾电子科技有限公司 | Locking accessory of indexing plate |
| CN104019140A (en) * | 2014-05-07 | 2014-09-03 | 中国重型机械研究院股份公司 | Hydraulic piston type locking disk |
| CN104806735A (en) * | 2015-04-30 | 2015-07-29 | 烟台环球机床附件集团有限公司 | Triple end-toothed disc and anti-dislocation method thereof |
| DE102019211443B4 (en) * | 2019-07-31 | 2021-03-04 | Festo Se & Co. Kg | Rotary drive device and robotic arm of a robot equipped therewith |
| CN114985787A (en) * | 2022-08-05 | 2022-09-02 | 溧阳市康宏机械有限公司 | Turret device with main shaft self-protection function for numerical control lathe |
| CN116197734A (en) * | 2023-02-08 | 2023-06-02 | 浙江中智鲸工智能装备有限公司 | Long-life high-precision indexing component |
| CN116727711B (en) * | 2023-08-15 | 2023-10-10 | 烟台环球机床装备股份有限公司 | Indexing positioning mechanism of turret tool rest |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206687Y (en) * | 1994-09-22 | 1995-09-06 | 沈阳第一机床厂 | Vertical automatic tool carrier |
| CN101077535A (en) * | 2007-04-02 | 2007-11-28 | 沈阳机床股份有限公司精诚数控机床附件厂 | Economy type horizontal type numerical control knife rack with transmission and locking structure |
| CN101234434A (en) * | 2008-02-05 | 2008-08-06 | 浙江西菱台钻制造有限公司 | Locking device for turnplate of rotary tower turret |
| WO2009012875A1 (en) * | 2007-07-26 | 2009-01-29 | Sauter Feinmechanik Gmbh | Tool revolver unit for a machine tool |
| CN102500774A (en) * | 2011-12-26 | 2012-06-20 | 东北大学 | Triple gear plate positioning structure for numerical control knife rest |
| CN203125255U (en) * | 2012-11-23 | 2013-08-14 | 沈阳工业大学 | Graduation positioning mechanism of capstan turret |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7066063B2 (en) * | 2004-05-07 | 2006-06-27 | Factory Automation Technology Co., Ltd. | Power transmission mechanism for a turret of a lathe |
-
2012
- 2012-11-23 CN CN201210479699.5A patent/CN102975081B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206687Y (en) * | 1994-09-22 | 1995-09-06 | 沈阳第一机床厂 | Vertical automatic tool carrier |
| CN101077535A (en) * | 2007-04-02 | 2007-11-28 | 沈阳机床股份有限公司精诚数控机床附件厂 | Economy type horizontal type numerical control knife rack with transmission and locking structure |
| WO2009012875A1 (en) * | 2007-07-26 | 2009-01-29 | Sauter Feinmechanik Gmbh | Tool revolver unit for a machine tool |
| CN101234434A (en) * | 2008-02-05 | 2008-08-06 | 浙江西菱台钻制造有限公司 | Locking device for turnplate of rotary tower turret |
| CN102500774A (en) * | 2011-12-26 | 2012-06-20 | 东北大学 | Triple gear plate positioning structure for numerical control knife rest |
| CN203125255U (en) * | 2012-11-23 | 2013-08-14 | 沈阳工业大学 | Graduation positioning mechanism of capstan turret |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102975081A (en) | 2013-03-20 |
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Granted publication date: 20170510 Termination date: 20181123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |