CN102975081A - Indexing and positioning mechanism of rotary-tower knifetool rest - Google Patents
Indexing and positioning mechanism of rotary-tower knifetool rest Download PDFInfo
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- CN102975081A CN102975081A CN2012104796995A CN201210479699A CN102975081A CN 102975081 A CN102975081 A CN 102975081A CN 2012104796995 A CN2012104796995 A CN 2012104796995A CN 201210479699 A CN201210479699 A CN 201210479699A CN 102975081 A CN102975081 A CN 102975081A
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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, particularly a kind of Digit Control Machine Tool turret dividing and positioning mechanism.
Background technology
Present numerically-controlled slide great majority adopt fluted disc to carry out calibration, location, and fluted disc has two kinds of forms: duplex fluted disc and three fluted discs.US Patent No. 20050247172A1 adopts the duplex fluted disc structure, and the duplex fluted disc structure is relatively simple, only is made of active toothed disk and fixed tooth disk.Active toothed disk is installed on the main shaft, and fixed tooth disk is installed on the casing, and two fluted disc teeth are relative, and slidably reciprocating of active toothed disk realizes engagement, separates.Because cutterhead is installed on the active toothed disk, the active toothed disk quality is large, and sliding velocity is low and impact large.
Patent WO2009/012875A1 adopts three fluted disc structures, three fluted discs are made of active toothed disk, fixed tooth disk and locking fluted disc, active toothed disk is installed on the main shaft, fixed tooth disk is installed on the casing, the locking fluted disc is installed in the offside of active toothed disk and fixed tooth disk, slidably reciprocating of locking fluted disc realizes engagement, separates, and its principle as shown in Figure 1.Locking fluted disc quality is little, and sliding velocity is fast, and impacts little.When three fluted discs is installed, rigging error is arranged unavoidably between active toothed disk and the fixed tooth disk, active toothed disk and fixed tooth disk produce axially dislocation: if locking fluted disc and fixed tooth disk combine closely then can not combine closely with active toothed disk, as shown in Figure 2; If locking fluted disc and active toothed disk are combined closely then can't be combined closely with fixed tooth disk, as shown in Figure 3.So cause the stiffness degradation of the contact-making surface of three fluted discs, the repetitive positioning accuracy of knife rest reduces, even " penetration of a cutting tool " phenomenon occurs.
Summary of the invention
Goal of the invention: the invention provides a kind of turret dividing and positioning mechanism, its objective is in order to solve the low and low problem of repetitive positioning accuracy of knife rest contact stiffness in the past.
Technical scheme: the present invention is achieved by the following technical solutions:
A kind of turret dividing and positioning mechanism comprises main shaft and casing, and casing is arranged on around the main shaft, it is characterized in that: this mechanism also comprises locking fluted disc, positioning disk and active toothed disk; Active toothed disk is arranged on the front end of main shaft, cutterhead is installed on the active toothed disk, positioning disk is arranged on the casing, the locking fluted disc is arranged on the main shaft axis body and can moves axially along main shaft on the main shaft axis body, taper teeth and the active toothed disk engagement of locking fluted disc by being arranged on front end, the locking fluted disc is connected with positioning disk by guide positioning pin.
The end that puts in an end of positioning disk at guide positioning pin is provided with buffer unit.
Be provided with positioning key between guide positioning pin and the locking fluted disc.
Move to backward the limit at the locking fluted disc, and when separating with active toothed disk, guide positioning pin does not break away from the pin-and-hole on the positioning disk.
Advantage and effect: the invention provides a kind of turret dividing and positioning mechanism, comprise main shaft and casing, casing is arranged on around the main shaft, it is characterized in that: this mechanism also comprises locking fluted disc, positioning disk and active toothed disk; Active toothed disk is arranged on the front end of main shaft, positioning disk is arranged on the casing, the locking fluted disc is arranged on the main shaft axis body and can moves axially along main shaft on the main shaft axis body, taper teeth and the active toothed disk engagement of locking fluted disc by being arranged on front end, and the locking fluted disc is connected with positioning disk by guide positioning pin.
The invention has the beneficial effects as follows:
(1) only have a pair of fluted disc to be meshed between positioning disk, active toothed disk and the locking fluted disc, can eliminate because processing and rigging error cause the phenomenon that can't mesh fully between the locking fluted disc of three fluted discs and fixed tooth disk, the active toothed disk, raising positioning accuracy and contact stiffness;
(2) owing in the guide-localization pin-and-hole of positioning disk, buffer unit is installed, the impact in locking fluted disc and the active toothed disk engagement process can be reduced, the service life of locking fluted disc and active toothed disk can be prolonged;
(3) tooth of locking fluted disc and active toothed disk all adopts conical tooth, has self-centering effect, increases the radial accuracy of knife rest rotation;
(4) lock the way of contact that fluted disc and positioning disk are abandoned original fluted disc pair, adopt the connected mode of guide positioning pin, simple in structure, compact.
Description of drawings:
Fig. 1 is three fluted disc structure schematic diagrams of background technology
Fig. 2 is that locking fluted disc and the fixed tooth disk of three fluted discs of background technology closely meshes;
Fig. 3 is that locking fluted disc and the active toothed disk of three fluted discs of background technology closely meshes;
Fig. 4 is structural representation of the present invention (locking state)
Fig. 5 is structural representation of the present invention (released state)
Fig. 6 is the A-A profile of Fig. 4;
Fig. 7 is the partial view of Fig. 4 structure B part.
Fig. 8 is the C-C profile of Fig. 4;
Embodiment:Below in conjunction with accompanying drawing the present invention is done nearly step explanation:
Be the background technology accompanying drawing as Figure 1-3,111 is active toothed disk among Fig. 1, and 112 is fixed tooth disk, and 113 for the locking fluted disc consists of, and 114 is main shaft, and 115 is casing.
As shown in Figure 4 and Figure 5, the invention provides a kind of turret dividing and positioning mechanism, comprise main shaft 8 and casing 3, casing 3 is arranged on around the main shaft 8, and this mechanism also comprises locking fluted disc 1, positioning disk 4 and active toothed disk 6; Active toothed disk 6 is arranged on the front end of main shaft 8, cutterhead 7 is installed on the active toothed disk 6, positioning disk 4 is arranged on the casing 3, locking fluted disc 1 is arranged on the main shaft axis body and can moves axially along main shaft on the main shaft axis body, the taper teeth 12 and active toothed disk 6 engagements of locking fluted disc 1 by being arranged on front end, locking fluted disc 1 is connected with positioning disk 4 by guide positioning pin 2.The end that puts in an end of positioning disk 4 at guide positioning pin 2 is provided with buffer unit 5.As shown in Figure 7, buffer unit is made of baffle plate 10 and spring 9.
Be provided with positioning key 11 between guide positioning pin 2 and the locking fluted disc 1.Guide positioning pin 2 one ends are fixed on the locking fluted disc 1 by nut, and locate circumferential position by positioning key 11, positioning key 11 is shown in Fig. 8, guide positioning pin 2 other ends are inserted in the rectangle guide-localization hole of positioning disk, and form to cooperate with it this rectangle guide-localization hole shown in Fig. 6, and the extruding that contacts with buffer unit 5 in the hole.Positioning key 11 is installed in the keyway of guide positioning pin 2, then guide positioning pin 2 is filled in along the keyway on the locking fluted disc in the teeth side of locking fluted disc, by nut guide positioning pin 2 is locked at last.Guide positioning pin can arrange the varying numbers such as 4,6,8 as requested.
Move to backward the limit at locking fluted disc 1, and when separating with active toothed disk 6, guide positioning pin does not break away from the pin-and-hole on the positioning disk 4.
The present invention is the mechanism of a kind of accurately calibration, location.Locking fluted disc among the present invention is installed in the offside of positioning disk and active toothed disk, the slidably reciprocating of locking fluted disc realize its with the engagement of active toothed disk with separate; Conical tooth on the active toothed disk can be meshed with the conical tooth on locking fluted disc one side end face, consists of the duplex fluted disc; The locking fluted disc is connected with positioning disk by guide positioning pin, reaches the purpose that locking fluted disc when slip lead, locate during the cutterhead tool changing.
Mechanism of the present invention is when locking; as shown in Figure 4; locking fluted disc 1 is to front slide; after sliding certain distance; guide positioning pin 2 is had an effect with buffer unit 5; reduce the speed to front slide; locking fluted disc 1 is slowly contacted with active toothed disk 6 and the intermeshing flank of tooth of final compression; owing to adopt conical tooth, when compressing engagement mutually with locking fluted disc 1, active toothed disk 6 has good centripetal centering, improve axiality; and in the process of engagement; the speed of locking fluted disc 1 is little, and is little to the impulsive force of active toothed disk 6 flank of tooth, reaches the purpose of the protection flank of tooth.Simultaneously, because the good assembling in the guide-localization hole on guide positioning pin 2 and the positioning disk 4 cooperates, reach accurate circumferential purpose of locating.As can be known, this mechanism is not owing to there is the effect of fixed tooth disk in the narration on this, thus need not consider three's meshing relation of fixed tooth disk, active toothed disk and locking fluted disc, and because the processed complex of fluted disc, the overall structure of knife rest has also been simplified by this mechanism.
When the needs tool changing, as shown in Figure 5, locking fluted disc 1 slides backward, and can accelerate mobile backward under the spring action of buffer unit 5, make the time decreased of separating fully in the locking teeth of the driven fluted disc 6 of locking teeth of locking fluted disc 1, reduce generally tool change time.This moment, guide positioning pin 2 was not extracted in the guide-localization pin-and-hole of positioning disk 4 fully, to guarantee the guide effect to locking fluted disc 1.
Claims (4)
1. a turret dividing and positioning mechanism comprises main shaft (8) and casing (3), and casing (3) is arranged on main shaft (8) on every side, it is characterized in that: this mechanism also comprises locking fluted disc (1), positioning disk (4) and active toothed disk (6); Active toothed disk (6) is arranged on the front end of main shaft (8), the upper cutterhead (7) of installing of active toothed disk (6), positioning disk (4) is arranged on the casing (3), locking fluted disc (1) is arranged on the main shaft axis body and can moves axially along main shaft on the main shaft axis body, the taper teeth (12) and active toothed disk (6) engagement of locking fluted disc (1) by being arranged on front end, locking fluted disc (1) is connected with positioning disk (4) by guide positioning pin (2).
2. turret dividing and positioning mechanism according to claim 1, it is characterized in that: the end that puts in an end of positioning disk (4) at guide positioning pin (2) is provided with buffer unit (5).
3. turret dividing and positioning mechanism according to claim 1 and 2 is characterized in that: be provided with positioning key (11) between guide positioning pin (2) and the locking fluted disc (1).
4. guide positioning pin according to claim 1 is characterized in that: move to backward the limit at locking fluted disc (1), and with active toothed disk (6) when separating, guide positioning pin does not break away from the pin-and-hole on the positioning disk (4).
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 true CN102975081A (en) | 2013-03-20 |
| CN102975081B CN102975081B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210479699.5A Expired - Fee Related CN102975081B (en) | 2012-11-23 | 2012-11-23 | Indexing and positioning mechanism of rotary-tower knifetool rest |
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Cited By (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 |
| CN112297052A (en) * | 2019-07-31 | 2021-02-02 | 费斯托股份两合公司 | Rotary drive and robot arm of a robot equipped with said rotary drive |
| 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 |
| CN116727711A (en) * | 2023-08-15 | 2023-09-12 | 烟台环球机床装备股份有限公司 | Indexing positioning mechanism of turret tool rest |
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| CN2206687Y (en) * | 1994-09-22 | 1995-09-06 | 沈阳第一机床厂 | Vertical automatic tool carrier |
| US20050247172A1 (en) * | 2004-05-07 | 2005-11-10 | Yung-Hsiang Lu | Power transmission mechanism for a turret of a lathe |
| 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 |
-
2012
- 2012-11-23 CN CN201210479699.5A patent/CN102975081B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| US20050247172A1 (en) * | 2004-05-07 | 2005-11-10 | Yung-Hsiang Lu | Power transmission mechanism for a turret of a lathe |
| 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 |
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| 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 |
Cited By (9)
| 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 |
| CN112297052A (en) * | 2019-07-31 | 2021-02-02 | 费斯托股份两合公司 | Rotary drive and robot arm of a robot equipped with said rotary drive |
| US20210031363A1 (en) * | 2019-07-31 | 2021-02-04 | Festo Se & Co. Kg | Rotary drive device and a robot arm of a robot which is provided 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 |
| CN116727711A (en) * | 2023-08-15 | 2023-09-12 | 烟台环球机床装备股份有限公司 | Indexing positioning mechanism of turret tool rest |
| 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 |
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| CN102975081B (en) | 2017-05-10 |
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