CN115722980B - A flexible automatic indexing tool - Google Patents
A flexible automatic indexing toolInfo
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- CN115722980B CN115722980B CN202211725834.XA CN202211725834A CN115722980B CN 115722980 B CN115722980 B CN 115722980B CN 202211725834 A CN202211725834 A CN 202211725834A CN 115722980 B CN115722980 B CN 115722980B
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Abstract
本发明公开了一种柔性自动分度工装，工装环、压盖和工件组成的整体放到底板上，定位座上两处第一轴承顶接在工装环外圆上并由第一直线缸推动角向销插入工装环外圆上的插销孔内进行定位，第二直线缸推动滑座沿导轨移动，滑座上的两处第二轴承将工装环外圆顶紧，杠杆缸推动压板压紧压盖；滑座内的第三直线缸驱动导向轴、连杆和拨杆运动，使拨杆上的分度插销插入和脱出工装环的插销孔，伺服直线电动缸驱动连接座、第三油缸支座和第三直线缸等组成的整体移动，使工装环转动一定的角度，工装环外圆转动了两相邻插销孔中心之间的距离。本发明能够驱动圆形类工件旋转，实现自动分度，稳定可靠，安装操作方便，且可以实现不同直径不同高度的工件的加工。
The present invention discloses a flexible automatic indexing tool. The tool ring, pressure cover and workpiece are placed on a bottom plate. Two first bearings on the positioning seat are connected to the outer circle of the tool ring and the first linear cylinder pushes the angular pin to be inserted into the pin hole on the outer circle of the tool ring for positioning. The second linear cylinder pushes the slide to move along the guide rail. The two second bearings on the slide tighten the outer circle of the tool ring. The lever cylinder pushes the pressure plate to press the pressure cover. The third linear cylinder in the slide drives the guide shaft, connecting rod and shift rod to move, so that the indexing pin on the shift rod is inserted into and out of the pin hole of the tool ring. The servo linear electric cylinder drives the movement of the connecting seat, the third oil cylinder support and the third linear cylinder, so that the tool ring rotates a certain angle. The outer circle of the tool ring rotates the distance between the centers of two adjacent pin holes. The present invention can drive the rotation of circular workpieces to achieve automatic indexing. It is stable and reliable, easy to install and operate, and can realize the processing of workpieces of different diameters and heights.
Description
Technical Field
The invention belongs to the field of machining, and relates to a flexible automatic indexing tool for punching on the end face of a round workpiece.
Background
With the development of science and technology, the society has put higher and higher requirements on the automatic tooling, and the application of the automatic tooling is not particularly wide at present, especially for equipment with immovable main shafts such as lathes, grinding machines and the like, the automatic requirements of the tooling are more urgent, but the automation of the tooling is difficult to realize on the equipment.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a flexible automatic indexing tool which can drive round workpieces to rotate to realize automatic indexing, is stable and reliable, is convenient to install and operate, can realize the processing of the workpieces with different diameters and different heights, has a wide application range, and meets the use requirements of lathes, grinding machines and the like on the automatic tool.
In order to achieve the aim, the technical scheme of the invention is that the flexible automatic indexing tool comprises a tool ring, a gland, a bottom plate, a positioning seat, a sliding seat, an indexing device, a plurality of crimping devices and a controller, wherein the crimping devices and the controllers are uniformly distributed on the gland;
The tool ring is provided with bolt holes with the same number as the required processing holes of the workpiece in the circumferential direction;
The positioning seat is fixed on the bottom plate, the inner end of the positioning seat is an arc I in clearance fit with the outer circle of the tool ring, a first bearing is rotatably fixed at two corner ends of the arc I through a first pin shaft, the first bearing is propped against the outer circle of the tool ring, a first linear cylinder is fixed in the middle of the positioning seat, a second adapter is fixed at the end part of a piston rod of the first linear cylinder, a first contact is fixed at the head part of the second adapter head end in the vertical direction, the angular pin can be inserted into and withdrawn from a bolt hole of the tool ring, a third sensor bracket is fixed on the positioning seat and is positioned right above the first contact, the first contact sensor and the second contact sensor are respectively fixed at the lower end surface of the third sensor bracket, the first linear cylinder pushes the angular pin to be inserted into and withdrawn from the bolt hole of the tool ring, meanwhile, the first contact is respectively contacted with the second contact sensor and the first contact sensor, the extending and retracting state of the angular pin is determined, and a signal is fed back to the controller;
The sliding seat is slidably connected to the guide rails fixed at the two ends of the bottom plate through linear bearings, the inner end of the sliding seat is provided with an arc II in clearance fit with the outer circle of the tool ring, two corner ends of the arc II are rotatably fixed with second bearings through second pin shafts, and the second bearings can be tightly propped against the outer circle of the tool ring; the second linear cylinder is fixed on a second cylinder support fixed on the bottom plate, the piston rod end of the second linear cylinder is fixed on a connecting block fixed on the sliding seat through a first adapter, the dividing device is embedded in the sliding seat and comprises a servo linear electric cylinder, a third pin shaft, a connecting seat, a third cylinder support, a third linear cylinder, two cam bearings, an dividing plug pin in large clearance fit with a plug pin hole of a tool ring, a third proximity switch, a fourth proximity switch and a second contact, the third pin shaft is fixed on the upper end surface of the sliding seat, the servo linear electric cylinder is hinged on the third pin shaft, the piston rod end of the servo linear electric cylinder is fixed with the third adapter, the connecting seat is hinged on the third adapter through a first hinge shaft, the third cylinder support is fixed on the connecting seat, one end of a piston rod is hinged with one end of a guide shaft positioned in the support through a fourth hinge shaft, the other end of the guide shaft is fixed with one end of a connecting rod positioned in the connecting seat through a third hinge shaft, the other end of the guide shaft is hinged with one end of the connecting rod positioned in the connecting seat, the other end of the connecting rod is hinged with one end of the guide shaft through a second hinge shaft, the other end of the guide shaft is positioned in the guide hole of the guide ring, the guide pin can be inserted in the guide hole is fixed on the square connecting seat, the other end of the guide hole is arranged in the guide hole, the guide hole is in clearance fit with the guide hole, the other end of the guide hole is arranged on the guide hole, and can be inserted in the guide hole, the second linear cylinder drives the guide shaft to move, the sliding seat can move along the guide rail so as to enable the second bearing to push against or loosen the outer circle of the tool ring, the whole movement formed by the connecting seat, the third cylinder support and the third linear cylinder drives the two cam bearings to move along the circular arc groove on the sliding seat, the stroke of the servo linear cylinder is set, the tool ring rotates by a certain angle, the outer circle of the tool ring rotates by a distance between two adjacent insertion pin holes, the guide shaft drives the guide shaft to move in the horizontal direction, the guide shaft drives the deflector rod to move along the guide square hole, the bolt is inserted into or separated from the insertion pin hole in the circumferential direction of the tool ring, and simultaneously the second contact is respectively close to the third proximity switch and the fourth proximity switch to determine the extending and retracting state;
The crimping device comprises a lever cylinder, a pressing plate, a sensor touch plate, a first proximity switch and a second proximity switch, wherein the first proximity switch and the second proximity switch are matched with the sensor touch plate, the lever cylinder is fixed on a bottom plate, one end of the pressing plate is rotatably connected to a piston rod of the lever cylinder, the sensor touch plate is fixed at the end of the pressing plate, the pressing plate is pressed or loosened along with the extension and retraction of the piston rod of the lever cylinder, a first sensor support and a second sensor support are respectively fixed on the bottom plate, the first proximity switch and the second proximity switch are respectively fixed at the upper ends of the first sensor support and the second sensor support, when the sensor touch plate approaches the second proximity switch, the pressing plate presses the pressing plate, when the sensor touch plate approaches the first proximity switch, the pressing plate releases the pressing plate, and the first proximity switch and the second proximity switch feed back signals to the controller.
Further preferably, the first bearings are rotatably fixed at two corner ends of the arc I at the inner end of the positioning seat, the two first bearings are provided with an upper accommodating groove I and a lower accommodating groove I at the corner end of each arc I, the two first bearings are positioned in the upper accommodating groove I and the lower accommodating groove I, and a first pin shaft fixed in a central hole of the first bearings is fixed on the positioning seat.
Further preferably, the second bearings are rotatably fixed at two corner ends of the arc II at the inner end of the sliding seat, the two second bearings are two, an upper accommodating groove II and a lower accommodating groove II are formed in the corner end of each arc II, the two second bearings are positioned in the upper accommodating groove II and the lower accommodating groove II, and a second pin shaft fixed in a central hole of the second bearings is fixed on the sliding seat.
The slide seat is connected with the guide rail fixed at the two ends of the bottom plate in a sliding way through the linear bearings, the two ends of the guide rail are fixedly connected with the guide rail seat in a pressing way through the guide rail seat fixed on the bottom plate, the guide rail is connected with the inner hole of the slide seat in a sliding way through the two linear bearings fixed in the inner hole of the slide seat, and the inner end of the guide rail is clamped and fixed on the guide rail seat through the check ring.
When a workpiece is machined, the whole formed by the tool ring, the workpiece and the gland is placed on the bottom plate, the tool ring is supported by the second bearing, the second linear cylinder drives the sliding seat to move, the second bearing tightly pushes the tool ring on the first bearing of the positioning seat, the angle of the tool ring is adjusted, the angle pin is inserted into a first bolt hole of the tool ring, then each lever cylinder drives the pressing plate to press the workpiece, the first hole is machined, the angle pin is retracted, and the pressing plate is loosened after machining is completed. The indexing bolt is inserted into a bolt hole in the circumferential direction of the tool ring under the driving of the third linear cylinder, the servo linear electric cylinder drives the integral part of the indexing bolt to move along the arc groove on the sliding seat, so that the tool ring rotates by a certain angle, the angular pin is aligned with a second bolt hole of the tool ring, the angular pin is inserted into the second bolt hole, each pressing plate presses a workpiece, the indexing bolt is separated from the bolt hole in the circumferential direction of the tool ring under the driving of the third linear cylinder, the servo linear electric cylinder drives the integral part of the indexing bolt to move to an initial position along the arc groove on the sliding seat, then the second hole is processed, and the steps are circulated until the workpiece processing is completed. The invention can drive round workpieces to rotate, realizes automatic indexing, is stable and reliable, is convenient to install and operate, can realize the processing of workpieces with different diameters and different heights, has a wide application range, and meets the use requirements of lathes, grinding machines and the like on automatic tools.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a top view of the invention with the slide and platen removed and the workpiece in an undamped condition;
FIG. 4 is a cross-sectional view of AA of FIG. 2;
FIG. 5 is a cross-sectional view of BB of FIG. 2;
FIG. 6 is a sectional view of the CC of FIG. 2;
FIG. 7 is a schematic perspective view of a slide and indexing mechanism according to the present invention;
FIG. 8 is a schematic perspective view of an indexing device according to the present invention;
FIG. 9 is a top view of a connecting block, a third cylinder mount, a third linear cylinder, a fourth sensor holder, etc. in the indexing device of the present invention;
Fig. 10 is a cross-sectional view of DD of fig. 9.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
As shown in fig. 1 to 10, the present embodiment includes a tooling ring 29, a gland 15, a base plate 1, a positioning seat 11, a slide 20, an indexing device, a plurality of crimping devices uniformly distributed on the gland 15, and a controller. The workpiece 16 is arranged in the tool ring 29, the gland 15 is fixed on the outer edge of the tool ring 29 through the inner hexagon screw 58 and is pressed on the edge of the upper end face of the workpiece 16, and the whole is arranged on the bottom plate 1. The tool ring 29 is provided with a number of bolt holes 30 along the circumferential direction, which is equal to the number of machining holes required by the workpiece 16.
The positioning seat 11 is fixed on the bottom plate 1 through a screw, and the inner end of the positioning seat is an arc I of the clearance fit of the outer circle of the tool ring 29. The two corner ends of the arc I are rotatably fixed with first bearings 9 by first pin shafts 10, and the preferable concrete structure is that the number of the first bearings 9 is two, an upper accommodating groove I111 and a lower accommodating groove I112 are formed in the corner end of each arc I, the two first bearings 9 are positioned in the upper accommodating groove I111 and the lower accommodating groove I112, and the first pin shafts 10 fixed in central holes of the two first bearings 9 are fixed on a positioning seat. The first bearing 9 abuts on the outer circle of the tool ring 29. The middle of the positioning seat 11 is fixed with a first linear cylinder 13 through a first cylinder support 12, the end part of a piston rod of the first linear cylinder 13 is fixed with a second adapter 32, the end part of the second adapter 32 is connected with an angular pin 31 which can be inserted into and withdrawn from a bolt hole 30 of the tool ring 29, and a first contact 34 is fixed in the vertical direction. The third sensor holder 14 is fixed to the positioning base 11 and located right above the first contact 34, and the first contact sensor 33 and the second contact sensor 35 are respectively fixed to the lower end face of the third sensor holder. The first linear cylinder 13 pushes the angle pin 31 to insert into and withdraw from the bolt hole 30 of the tool ring 29, and meanwhile, the first contact 34 is respectively contacted with the second contact sensor 35 and the first contact sensor 33, so that the extending and retracting states of the angle pin 31 are determined, and a signal is fed back to the controller.
The sliding seat 20 is slidably connected to the guide rails 18 fixed at two ends of the bottom plate 1 through the linear bearings 19, and the preferable concrete structure is that the two ends of the guide rails 18 are fixedly pressed by the guide rail seats 17 fixed on the bottom plate 1, the guide rails 18 are slidably connected to the inner holes of the sliding seat 20 through the two linear bearings 19 fixed in the inner holes of the sliding seat 20, and the inner ends of the guide rails 18 are clamped and fixed on the guide rail seats 17 through the check rings 47. The inner end of the slide seat 20 is provided with an arc II which is in clearance fit with the outer circle of the tooling ring 29, two corner ends of the arc II are rotatably fixed with second bearings 21 by second pin shafts 22, and the preferable concrete structure is that the number of the second bearings 21 is two, the corner end of each arc II is provided with an upper accommodating groove II and a lower accommodating groove II, the two second bearings 21 are positioned in the upper accommodating groove II and the lower accommodating groove II, and the second pin shafts 22 fixed in central holes of the two second bearings 21 are fixed on the slide seat 20. The second bearing 21 can be pressed against the outer circle of the tool ring 29. The second linear cylinder 25 is fastened to a second cylinder support 24 fastened to the base plate 1, and its rod end is fastened to a joint block 27 fastened to the slide 20 via a first joint 26. The indexing means are embedded in the slide 20 and comprise a servo linear electric cylinder 41, a third pin 28, a connecting seat 36, a third cylinder support 50, a third linear cylinder 48, two cam bearings 42, an indexing pin 38, a third proximity switch 45, a fourth proximity switch 46 and a second contact 49. The third pin shaft 28 is fixed on the upper end surface of the sliding seat 20, the servo linear electric cylinder 41 is hinged on the third pin shaft 28, a third adapter 44 is fixed on the piston rod end of the servo linear electric cylinder, the connecting seat 36 is hinged on the third adapter 44 through a first hinge shaft 51, and the third oil cylinder support 50 is fixed on the connecting seat 36. The third linear cylinder 48 is mounted on a third cylinder support 50, one end of its piston rod being hinged to one end of a guide shaft 55 located in the support 50 by a fourth hinge shaft 56, and the other end of its piston rod being fixed with the second contact 49 by a screw 57. The other end of the guide shaft 55 is hinged to one end of the link 40 located in the connection seat 36 through a third hinge shaft 54, and the other end of the link 40 is hinged to one end of the lever 37 through a second hinge shaft 53. The other end of the lever 37 is fixed with an indexing latch 38 by a set screw 39. The connecting seat 36 is provided with a guide square hole which is in micro-clearance fit with a deflector rod, the deflector rod 37 is placed in the guide square hole 52, and the indexing bolt 38 can enter and exit the guide square hole 52 and can be inserted into and withdrawn from the bolt hole 30 of the tool ring 29. The two cam bearings 42 are fixed on the upper end face of the connecting seat 36 at intervals, and are arranged in the circular arc groove 23 arranged on the upper end face of the sliding seat 20, and the central axes of the two cam bearings are intersected with the circle center of the circular arc groove 23. The fourth sensor bracket 43 is fixed at the inner end of the third cylinder support 50, and a third proximity switch 45 and a fourth proximity switch 46 which are matched with the second contact 49 for use are respectively installed on the fourth sensor bracket 43. The slide 20 can move along the guide rail 18 under the drive of the second linear cylinder 25, so that the second bearing 21 can press against or release the outer circle of the tool ring 29. Under the driving of the servo linear electric cylinder 41, the connecting seat 36, the third oil cylinder support 50 and the third linear cylinder 48 integrally move to drive the two cam bearings 42 to move along the circular arc grooves 23 on the sliding seat 20, the stroke of the servo linear electric cylinder 41 is set to enable the tool ring 29 to rotate by a certain angle, the outer circle of the tool ring 29 rotates by a distance between centers of two adjacent bolt holes, the angle pins 31 are rotated from one bolt hole of the tool ring to the adjacent another bolt hole, and the indexing bolts 38 are rotated from one bolt hole 30 of the tool ring 29 to the adjacent another bolt hole 30. the third linear cylinder 48 drives the guide shaft 55 to move horizontally, the guide shaft 55 drives the connecting rod 40 to move, the connecting rod 40 drives the deflector rod 37 to move along the guide square hole 52, the indexing bolt 38 is inserted into or separated from the bolt hole 30 in the circumferential direction of the tool ring 29, meanwhile, the second contact 49 is respectively close to the third proximity switch 45 and the fourth proximity switch 46, the extending and retracting states of the indexing bolt 38 are determined, and a signal is fed back to the controller.
The crimping device comprises a lever cylinder 2, a pressing plate 3, a sensor touch plate 4, a first proximity switch 6 and a second proximity switch 8 which are matched with the sensor touch plate 4 for use. The lever cylinder 2 is fixed on the bottom plate 1, one end of the pressing plate 3 is rotatably connected to a piston rod of the lever cylinder 2, a sensor touch plate 4 is fixed at the end, and the pressing cover 15 is pressed or loosened by the other end along with the extension and retraction of the piston rod of the lever cylinder 2. The first sensor support 5 and the second sensor support 7 are respectively fixed on the bottom plate 1, the first proximity switch 6 and the second proximity switch 8 are respectively fixed at the upper ends of the first sensor support 5 and the second sensor support 7, when the sensor touch plate 4 approaches the second proximity switch 8, the pressing plate 3 presses the pressing cover 15, when the sensor touch plate 4 approaches the first proximity switch 6, the pressing plate 3 releases the pressing cover 15, and the first proximity switch 6 and the second proximity switch 8 feed back signals to the controller.
There are, of course, many other embodiments of the invention that will be apparent to those skilled in the art from consideration of this disclosure without departing from the spirit and nature of the invention, and that will fall within the scope of the claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211725834.XA CN115722980B (en) | 2022-12-31 | 2022-12-31 | A flexible automatic indexing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211725834.XA CN115722980B (en) | 2022-12-31 | 2022-12-31 | A flexible automatic indexing tool |
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| Publication Number | Publication Date |
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| CN115722980A CN115722980A (en) | 2023-03-03 |
| CN115722980B true CN115722980B (en) | 2025-09-30 |
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| CN202211725834.XA Active CN115722980B (en) | 2022-12-31 | 2022-12-31 | A flexible automatic indexing tool |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117885050A (en) * | 2023-12-31 | 2024-04-16 | 保定向阳航空精密机械有限公司 | A quick positioning mechanism for an assembly jig |
| CN120962446A (en) * | 2025-10-22 | 2025-11-18 | 南通旭德科技有限公司 | Multistation machinery spare and accessory part machining center |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN219684800U (en) * | 2022-12-31 | 2023-09-15 | 保定向阳航空精密机械有限公司 | Indexing device of automatic indexing tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102011115636A1 (en) * | 2011-06-21 | 2012-12-27 | Preiseler GmbH & Co. KG | Workpiece clamping device for use with e.g. milling, drilling and grinding machine, has component outer surface and collar inner surface whose inclination angles are made such that space height is reduced upon displacement of component |
| CN107159931A (en) * | 2017-04-28 | 2017-09-15 | 江西省莲花水轮机厂有限公司 | Guide mechanism in flow-through turbine inner and outer ring is with axis machining apparatus and processing method |
| CN110480057B (en) * | 2019-08-15 | 2020-12-18 | 台州动林汽车空调压缩机有限公司 | Automatic drilling and pin pressing equipment for plunger pump swash plate |
| CN110883582B (en) * | 2019-11-08 | 2024-11-22 | 广东富华重工制造有限公司 | A bridge housing milling surface drilling fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN219684800U (en) * | 2022-12-31 | 2023-09-15 | 保定向阳航空精密机械有限公司 | Indexing device of automatic indexing tool |
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