CN116197734A - Long-life high-precision indexing component - Google Patents
Long-life high-precision indexing component Download PDFInfo
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- CN116197734A CN116197734A CN202310144028.1A CN202310144028A CN116197734A CN 116197734 A CN116197734 A CN 116197734A CN 202310144028 A CN202310144028 A CN 202310144028A CN 116197734 A CN116197734 A CN 116197734A
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- 238000009434 installation Methods 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000007704 transition Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 18
- 235000000621 Bidens tripartita Nutrition 0.000 claims description 12
- 240000004082 Bidens tripartita Species 0.000 claims description 12
- 208000006637 fused teeth Diseases 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
- B23Q16/06—Rotary indexing
Abstract
The invention relates to a long-life high-precision indexing component. The indexing device solves the technical problems of low precision and the like of the existing indexing device. The device comprises at least one indexing box body, wherein one end of the indexing box body is provided with an indexing installation plate, an installation plate driving shaft connected with the indexing installation plate is rotationally arranged in the indexing box body, the installation plate driving shaft is connected with an indexing driving mechanism capable of driving the installation plate driving shaft to circumferentially rotate, a piston fluted disc is movably sleeved on the installation plate driving shaft and is meshed with the indexing installation plate through a disc tooth structure, and the piston fluted disc is connected with a fluted disc meshing and uncoupling driving mechanism capable of driving the piston fluted disc to axially reciprocate along the installation plate driving shaft so as to enable the piston fluted disc and the indexing installation plate to be meshed with or uncoupling with each other. The advantages are that: the tooth disc line cutting precision is 3 seconds, the repetition precision is 1 second, so that the tooth discs can be precisely meshed, and the indexing is more precise; the device can be combined with different equipment for use, has strong applicability, and particularly ensures the precision of processing the opposite key groove for the high dynamic balance new energy motor shaft.
Description
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to a long-life high-precision indexing component.
Background
The indexing part is a machine tool accessory for clamping a workpiece on a chuck or between two tips and rotating, indexing and positioning the workpiece, is widely applied to milling machines, drilling machines and plane grinding machines, and most of the existing indexing parts at present are used for indexing by driving a worm to rotate through a driving motor so as to transmit turbine rotation, but the transmission precision is reduced due to long-term friction of the worm and the worm, the precision retention is short, the production efficiency is influenced by replacing the worm and the worm, and the use cost is increased.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a numerical control index plate [201921984248.0], wherein a gear set is disposed between the servo motor and the dual-lead screw, one end of the dual-lead screw is movably connected with the gear set, the gear set drives the dual-lead screw to rotate, an adjusting device capable of moving back and forth and a containing cavity for containing the adjusting device are disposed in the box, the adjusting device is sleeved on the other end of the dual-lead screw, and the adjusting device drives the dual-lead screw to move back and forth in a linear manner.
The problem that the precision of the existing indexing device is low is solved to a certain extent by the scheme, but the scheme still has a plurality of defects, for example, the problem that the clearance between the worm and the worm is enlarged is solved by enabling the worm and the worm to displace through a thrust screw, the worm and the worm are not enough to be replaced under long-term use, the production efficiency is influenced, and the transmission precision of the worm and the worm is low.
Disclosure of Invention
The present invention aims to solve the above problems and provide a long-life high-precision indexing member.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a long-life high accuracy indexing unit, includes at least one graduation box, graduation box one end rotate and be equipped with the graduation mounting disc, the graduation box in rotate and be equipped with the mounting disc drive shaft that links to each other with the graduation mounting disc, the mounting disc drive shaft be connected with the graduation actuating mechanism that can drive mounting disc drive shaft circumferential rotation, the epaxial movable sleeve of mounting disc drive be equipped with the piston fluted disc just the piston fluted disc mesh with the graduation mounting disc through a set tooth structure, the piston fluted disc be connected with thereby can drive piston fluted disc along mounting disc drive shaft axial reciprocating motion make piston fluted disc and graduation mounting disc intermesh or the fluted disc meshing uncoupling actuating mechanism of uncoupling.
In the above-mentioned long-life high accuracy indexing component, the disk tooth structure include the installation disk tooth barrel that sets up in graduation mounting disc one end and extend to the graduation box, just the one end circumference of installation disk tooth barrel be equipped with a plurality of installation disk teeth, the piston fluted disc be close to graduation mounting disc one end circumference be equipped with a plurality of with the piston disk teeth of installation disk tooth looks meshing, just the graduation mounting disc and piston fluted disc between be equipped with the meshing guide assembly.
In the long-life high-precision indexing component, the meshing guide assembly comprises a guide fluted disc sleeved on the mounting disc tooth cylinder body and connected with the indexing box body, a plurality of guide disc teeth which are arranged in the same direction as the mounting disc teeth and are positioned on the periphery of the mounting disc teeth are circumferentially arranged at one end of the guide fluted disc, and the piston disc teeth are respectively meshed with the guide disc teeth and the mounting disc teeth.
In the long-life high-precision indexing component, the number of teeth of the piston disc teeth, the guide disc teeth and the mounting disc teeth are the same, the tooth height of the guide disc teeth is larger than that of the mounting disc teeth, and when the piston disc teeth and the mounting disc teeth are mutually separated, the piston disc teeth and the guide disc teeth are mutually meshed.
In the long-life high-precision indexing component, the fluted disc meshing and disengaging driving mechanism comprises fluted disc disengaging driving components which are arranged at two ends of the piston fluted disc and can drive the piston fluted disc to axially reciprocate along the driving shaft of the mounting disc, and meshing power assisting components are arranged at the outer side of one end, far away from the indexing mounting disc, of the piston fluted disc.
In the long-life high-precision indexing component, the fluted disc disengagement driving assembly comprises a disengagement hydraulic cavity which is arranged in the indexing box body and is positioned at one end of the piston fluted disc, which is close to the indexing installation disc, the disengagement hydraulic cavity is communicated with a fluted disc disengagement oil inlet hole which is arranged on the indexing box body, an engagement hydraulic cavity which is positioned at one end of the piston fluted disc, which is far away from the indexing installation disc, is arranged in the indexing box body, the engagement hydraulic cavity is communicated with a fluted disc engagement oil inlet hole which is arranged on the indexing box body, and a disengagement in-place sensing device and an engagement in-place sensing device which are respectively corresponding to the outer sides of two ends of the piston fluted disc are arranged on the indexing box body.
In the above-mentioned long-life high accuracy indexing unit, the meshing helping hand subassembly including setting up at the indexing box circumference inboard and be located the fixed axle sleeve of piston fluted disc one end of keeping away from the graduation mounting disc, just the mounting disc drive shaft rotate and wear to locate in the fixed axle sleeve, just fixed axle sleeve and piston fluted disc between be equipped with a plurality of helping hand springs, just helping hand spring one end act on fixed axle sleeve, the other end acts on the piston fluted disc.
In the long-life high-precision indexing component, the indexing driving mechanism comprises a motor driving assembly, and the motor driving assembly is in transmission connection with the mounting disc driving shaft through a gear transmission assembly; the number of the indexing boxes is one, and the motor driving assembly is arranged at one side of the indexing box, which is far away from one end of the indexing mounting plate; or, the number of the indexing boxes is two, the indexing boxes are symmetrically arranged, the motor driving assembly is arranged between one ends of the two indexing boxes, and the indexing boxes are internally provided with gear transmission assemblies respectively and both the gear transmission assemblies are connected with the motor driving assembly.
In the long-life high-precision indexing component, the motor driving assembly comprises a machine body cover arranged at one end of the indexing box body far away from the indexing installation plate, a servo motor is arranged on the machine body cover, the servo motor is connected with a double-tooth transmission shaft through a planetary reduction gear set positioned in the machine body cover, and a first bearing is arranged between the double-tooth transmission shaft and the machine body cover; the gear transmission assembly comprises a transition rotating shaft which is arranged in the indexing box body and is parallel to the mounting disc driving shaft, a transition gear is arranged on the transition rotating shaft in a rotating mode through a plurality of second bearings, one end of the transition gear is meshed with a transmission gear at the end of the double-tooth transmission shaft, and the other end of the transition gear is meshed with a driving gear at the outer side of one end of the mounting disc driving shaft in the circumferential direction.
In the long-life high-precision indexing component, the indexing installation plate is fixedly connected with the end part of the installation plate driving shaft through a plurality of first bolts, one end of the indexing installation plate is provided with an outer indexing plate cylinder body positioned on the circumferential outer side of the installation plate tooth cylinder body, the guiding fluted disc is positioned between the installation plate tooth cylinder body and the outer indexing plate cylinder body, one end of the guiding fluted disc is positioned on the outer side of the indexing box body and is connected with the indexing box body through a plurality of second bolts, and a sealing assembly is arranged among the indexing installation plate, the installation plate driving shaft, the indexing box body and the guiding fluted disc.
Compared with the prior art, the invention has the advantages that:
1. the wire cutting precision of the fluted disc in the indexing box body is 3 seconds, the repetition precision is 1 second, the fluted disc can be precisely meshed, and the indexing is more precise.
2. The bearing joint surface of the fluted disc in the indexing box is up to 90%, and the load depends on the pressure, so that the meshing of the fluted disc teeth can bear higher load and the high precision of the fluted disc can be ensured.
3. The engagement is pushed in or released by hydraulic pressure, so that the engagement or release process is better stable, the engagement and release speed can be improved, and the production efficiency is improved.
4. The servo motor is free from any external force after indexing, the service life of the servo motor can be longer, the use cost is reduced, and the precision of processing the opposite key groove can be ensured for a high dynamic balance new energy motor shaft.
5. The device can be combined with different equipment for use, has strong applicability, and can be suitable for machining centers, milling machines, boring machines and the like.
6. The indexing device has strong structural flexibility, can adopt a single-station or multi-station scheme according to different requirements, and can meet different requirements.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present invention.
Fig. 2 is a cross-sectional view of a toothed disc engagement and disengagement drive mechanism in accordance with an embodiment of the present invention.
Fig. 3 is a structural cross-sectional view of a first embodiment of the present invention.
Fig. 4 is a cross-sectional view of another angle of the first embodiment of the present invention.
Fig. 5 is a schematic view of a disk tooth structure according to an embodiment of the present invention.
Fig. 6 is an application scenario diagram of the first embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 8 is a structural cross-sectional view of a second embodiment of the present invention.
In the figure: the indexing box 1, the mounting plate driving shaft 11, the piston fluted disc 111, the uncoupling in-place sensing device 12, the meshing in-place sensing device 13, the indexing mounting plate 2, the first bolt 21, the indexing outer cylinder 22, the second bolt 23, the indexing driving mechanism 3, the motor driving assembly 31, the machine cover 311, the servo motor 312, the planetary reduction gear set 313, the double-tooth transmission shaft 314, the first bearing 315, the disc tooth structure 4, the mounting plate tooth cylinder 41, the mounting plate tooth 411, the piston disc tooth 42, the fluted disc meshing uncoupling driving mechanism 5, the fluted disc uncoupling driving assembly 51, the uncoupling hydraulic chamber 511, the fluted disc uncoupling oil inlet 512, the meshing hydraulic chamber 513, the fluted disc meshing oil inlet 514, the meshing assisting assembly 52, the fixed shaft sleeve 521, the assisting spring 522, the meshing guiding assembly 6, the guiding fluted disc 61, the guiding disc tooth 62, the gear driving assembly 7, the transitional rotation shaft 71, the second bearing 72, the transitional gear 73, the transmission gear 74 and the driving gear 75.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1, 3 and 5, the long-life high-precision indexing component comprises an indexing box body 1, an indexing installation disc 2 is rotatably arranged at one end of the indexing box body 1, an installation disc driving shaft 11 connected with the indexing installation disc 2 is rotatably arranged in the indexing box body 1, the installation disc driving shaft 11 is connected with an indexing driving mechanism 3 capable of driving the installation disc driving shaft 11 to rotate circumferentially, the precision of the indexing installation disc 2 can be higher by driving the installation disc driving shaft 11 through the indexing driving mechanism 3, a piston fluted disc 111 is movably sleeved on the installation disc driving shaft 11 and is meshed with the indexing installation disc 2 through a disc tooth structure 4, the piston fluted disc 111 is connected with a fluted disc meshing and uncoupling driving mechanism 5 capable of driving the piston fluted disc 111 to reciprocate along the axial direction of the installation disc driving shaft 11 so as to enable the piston fluted disc 111 and the indexing installation disc 2 to be meshed with or uncoupling mutually, and the meshing and uncoupling of the piston fluted disc 111 and the indexing installation disc 2 can be more stable through the fluted disc meshing and uncoupling driving mechanism 5.
Specifically, the disc tooth structure 4 includes a mounting disc tooth cylinder 41 disposed at one end of the indexing mounting disc 2 and extending into the indexing box 1, a plurality of mounting disc teeth 411 are circumferentially disposed at one end of the mounting disc tooth cylinder 41, a plurality of piston disc teeth 42 meshed with the mounting disc teeth 411 are circumferentially disposed at one end of the piston fluted disc 111 adjacent to the indexing mounting disc 2, and a meshing guide assembly 6 is disposed between the indexing mounting disc 2 and the piston fluted disc 111, so that the mounting disc teeth 411 can be meshed with the piston disc teeth 42 quickly when the indexing is completed and the meshing is required through the meshing guide assembly 6, and the meshing precision is ensured while the meshing speed is improved.
The meshing guide assembly 6 comprises a guide fluted disc 61 sleeved on the mounting disc tooth cylinder 41 and connected with the indexing box 1, a plurality of guide disc teeth 62 which are arranged in the same direction as the mounting disc teeth 411 and are positioned on the periphery of the mounting disc teeth 411 are circumferentially arranged at one end of the guide fluted disc 61, the piston disc teeth 42 are respectively meshed with the guide disc teeth 62 and the mounting disc teeth 411, and meshing precision of the piston disc teeth 42 and the mounting disc teeth 411 can be guaranteed through the guide disc teeth 62.
As shown in fig. 1, 2, 3 and 5, the number of teeth of the piston disc teeth 42, the guide disc teeth 62 and the mounting disc teeth 411 is the same, the tooth height of the guide disc teeth 62 is larger than the tooth height of the mounting disc teeth 411, and when the piston disc teeth 42 and the mounting disc teeth 411 are disengaged from each other, the piston disc teeth 42 and the guide disc teeth 62 are engaged with each other, the guide disc teeth 62 can not be displaced by the guide fluted disc 61 fixed to the index case 1, so that the accuracy can be ensured better, and the piston disc teeth 42 and the mounting disc teeth 411 can be ensured to have high accuracy by always engaging the piston disc teeth 42 with the guide disc teeth 62 with each other.
Further, the fluted disc meshing and disengaging driving mechanism 5 comprises fluted disc meshing and disengaging driving assemblies 51 which are arranged at two ends of the piston fluted disc 111 and can drive the piston fluted disc 111 to axially reciprocate along the mounting disc driving shaft 11, and a meshing assistance assembly 52 is arranged at the outer side of one end, far away from the indexing mounting disc 2, of the piston fluted disc 111, the meshing speed of the piston fluted disc 11 and the indexing mounting disc 2 can be improved through the fluted disc meshing and disengaging driving assemblies 51, meshing power can be further improved through the meshing assistance assembly 52, and the meshing speed of the piston fluted disc teeth 42 and the mounting disc teeth 411 is improved.
Wherein the fluted disc disengagement driving assembly 51 comprises a disengagement hydraulic cavity 511 which is arranged in the indexing box body 1 and is positioned at one end of the piston fluted disc 111 close to the indexing installation plate 2, the disengagement hydraulic cavity 511 is communicated with a fluted disc disengagement oil inlet hole 512 which is arranged on the indexing box body 1, when the indexing installation plate 2 is required to be indexed, the disengagement oil inlet hole 512 is opened to enter the disengagement hydraulic cavity 511, pressure is generated on the piston fluted disc 111 to completely disengage the piston fluted disc 111 from the indexing installation plate 2, one end of the disengagement hydraulic cavity 511, which is far away from the disengagement oil inlet hole 512, is provided with a disengagement oil removal cavity which is arranged on the indexing driving mechanism 3, one end of the disengagement oil removal cavity is provided with a disengagement oil removal hole which is communicated with the disengagement oil removal cavity, oil in the disengagement oil removal cavity can be discharged through the disengagement oil removal hole 513, the inside the indexing box body 1 is provided with an engagement hydraulic cavity 513 which is positioned at one end of the piston fluted disc 111, which is far away from the indexing installation plate 2, the meshing hydraulic cavity 513 is communicated with a fluted disc meshing oil inlet hole 514 arranged on the indexing box body 1, when the piston disc teeth 42, the guide disc teeth 61 and the indexing disc teeth 411 are required to be meshed, the fluted disc meshing oil inlet hole 514 is opened to be oil-fed into the meshing hydraulic cavity 513, the piston fluted disc 111 can generate rightward movement pressure, the meshing speed and the meshing effect of the piston disc teeth 42, the guide disc teeth 61 and the indexing disc teeth 411 are promoted, one end of the meshing hydraulic cavity 513 far away from the fluted disc meshing oil inlet hole 514 is provided with a meshing oil removing hole arranged on the indexing driving mechanism 3, oil in the meshing oil removing cavity can be discharged through the meshing oil removing hole, a disengaging in-place sensing device 12 and a meshing in-place sensing device 13 which are respectively corresponding to the outer sides of the two ends of the piston fluted disc 111 are arranged on the indexing box body 1, the uncoupling in-place sensing device 12 and the engagement in-place sensing device 13 can simultaneously send out signals when the workpiece to be indexed is clamped on the indexing mounting plate 2, and then indexing is performed through the indexing driving mechanism 3.
As shown in fig. 3, the engagement assisting component 52 includes a fixed shaft sleeve 521 disposed on the inner side of the indexing box 1 in the circumferential direction and located at one end of the piston toothed disc 111 away from the indexing mounting disc 2, the mounting disc driving shaft 11 rotates through the fixed shaft sleeve 521, a third bearing is disposed at one end of the fixed shaft sleeve 521 adjacent to the mounting disc driving shaft 11, friction force between the fixed shaft sleeve 521 and the mounting disc driving shaft 11 is reduced by the third bearing, rotation accuracy of the fixed shaft sleeve 521 is ensured by reducing friction force between the fixed shaft sleeve 521 and the mounting disc driving shaft 11 by the fourth bearing, a plurality of assisting springs 522 are disposed between the fixed shaft sleeve 521 and the piston toothed disc 111, one end of each assisting spring 522 acts in a first assisting spring groove in the fixed shaft sleeve 521, the other end of each assisting spring 522 acts in a second assisting spring groove disposed on the piston toothed disc 111 corresponding to the first assisting spring groove, when the piston toothed disc 111 is disengaged from the indexing mounting disc 2, the assisting springs 522 are compressed, when the piston toothed disc 111 and the mounting disc 2 are required to be engaged with each other, and the assisting springs 522 are reset to the piston toothed disc 111 are accelerated, and the piston toothed disc 111 is engaged with the thrust toothed disc 111.
As shown in fig. 3 and 4, the indexing drive mechanism 3 comprises a motor drive assembly 31, and the motor drive assembly 31 is in transmission connection with the mounting disc drive shaft 11 through a gear transmission assembly 7; the number of the indexing box bodies 1 is one, and the motor driving assembly 31 is arranged on one side of one end, far away from the indexing installation disc 2, of the indexing box bodies 1, so that the indexing box bodies 1 and different devices can be conveniently combined for use, and the applicability of the device is improved.
Specifically, the motor driving assembly 31 includes a cover 311 disposed at one end of the indexing box 1 far away from the indexing mounting plate 2, a servo motor 312 is disposed on the cover 311, the servo motor 312 is connected with a double-tooth transmission shaft 314 through a planetary reduction gear set 313 disposed in the cover 311, and a first bearing 315 is disposed between the double-tooth transmission shaft 314 and the cover 311, the planetary reduction gear set 313 has the advantages of small friction and long service life, and the servo motor 312 drives the double-tooth transmission shaft 314 and the gear transmission assembly 7 through the planetary reduction gear set 313 so that the servo motor 312 is not subjected to any external force, thereby improving the service life of the servo motor 312, reducing the use cost, reducing the friction between the double-tooth transmission shaft 314 and the cover 311 through the first bearing, and ensuring the rotation precision thereof; the gear transmission assembly 7 comprises a transition rotating shaft 71 which is arranged in the indexing box 1 and is parallel to the mounting disc driving shaft 11, a transition gear 73 is rotatably arranged on the transition rotating shaft 71 through a plurality of second bearings 72, the second bearings 72 can reduce friction force between the transition driving shaft 71 and the transition gear 73, the rotation precision of the transition rotating shaft 71 can be maintained, one end of the transition gear 73 is meshed with a transmission gear 74 at the end part of the double-tooth driving shaft 314, and the other end of the transition gear 73 is meshed with a driving gear 75 at the outer side of one end of the mounting disc driving shaft 11 in the circumferential direction.
The indexing installation disc 2 is fixedly connected with the end part of the installation disc driving shaft 11 through a plurality of first bolts 21, connection stability of the indexing installation disc 2 and the installation disc driving shaft 11 can be guaranteed through the first bolts 21, an outer indexing disc cylinder 22 located on the outer circumferential side of the installation disc tooth cylinder 41 is arranged at one end of the indexing installation disc 2, a guide fluted disc 61 is located between the installation disc tooth cylinder 41 and the outer indexing disc cylinder 22, one end of the guide fluted disc 61 is located on the outer side of the indexing box 1 and is connected with the indexing box 1 through a plurality of second bolts 23, a sealing component is arranged between the indexing installation disc 2, the installation disc driving shaft 11, the indexing box 1 and the guide fluted disc 61, the sealing component comprises a first sealing piece which is arranged in a fixed shaft 521 and is far away from one end of the piston fluted disc 111 and is attached to the installation disc driving shaft 11, a second sealing piece which is arranged in the indexing box 1 is arranged on the upper side of the first sealing piece, one side of the second sealing piece far away from the indexing box 1 is abutted to the fixed shaft sleeve, a third sealing piece is arranged at the attaching part of the piston fluted disc 111 and the indexing box 1, a fourth sealing piece is arranged on the inner side of the piston fluted disc 111 and is connected with the installation disc driving shaft 11, a sealing piece is arranged between the indexing box 11 and the indexing box 1, a sealing component is arranged between the indexing installation disc 1 and the indexing box 1, an accurate sealing component is arranged between the indexing installation disc 1 and the indexing installation disc driving shaft 1 and the sealing device and the six sealing device can be prevented from being caused by the fact that the sealing device is arranged between the sealing device and the indexing disc and the sealing device.
The principle of this embodiment is: as shown in fig. 6, one end of a workpiece to be indexed is placed in the indexing mounting plate 2, a fluted disc is separated from an oil inlet hole 512 to be oil into a separated hydraulic cavity 511, oil in the separated hydraulic cavity 511 is led into the engagement position of the piston disc teeth 42 with the mounting plate teeth 411 and the guide disc teeth 62, the separation of the piston disc teeth 42 from the mounting plate teeth 411 is accelerated, the piston fluted disc 111 moves inwards, an assisting spring 522 is compressed, after one end of the workpiece is clamped, the other end of the workpiece is further fixed through a hydraulic tailstock, the separated in-place sensing device 12 and the engaged in-place sensing device 13 simultaneously receive signals, a motor driving assembly 31 is driven, then a fluted disc is meshed with the oil inlet hole 514 to be oil into the meshed hydraulic cavity 513, oil in the meshed hydraulic cavity 511 is led into a position between a fixed shaft sleeve 521 and the indexing box 1, the engagement of the piston disc teeth 42 with the mounting plate teeth 411 and the guide disc teeth 62 is accelerated, and the assisting spring 522 is reset to further accelerate the engagement of the piston disc teeth 42 with the mounting plate teeth 411 and the guide disc teeth 62.
Example two
The structure and working principle of this embodiment are basically the same as those of the first embodiment, and the difference is that, as shown in fig. 7 and 8, the number of the indexing boxes 1 is two, the indexing boxes 1 are symmetrically arranged, the two indexing boxes 1 and the machine body cover 311 are designed as a whole, the upper indexing installation discs 2 of the two indexing boxes 1 respectively correspond to a hydraulic tailstock, the motor driving assembly 31 is arranged between one ends of the two indexing boxes 1, the gear driving assemblies 7 are respectively arranged in the indexing boxes 1, and the two gear driving assemblies 7 are connected with the motor driving assembly 31, so that the two indexing devices in the two indexing boxes 1 can be simultaneously driven only by one motor driving assembly 31, thereby greatly improving the production efficiency and reducing the production cost.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms of the index case 1, the mounting plate drive shaft 11, the piston disc 111, the disengagement in-place sensing device 12, the engagement in-place sensing device 13, the index mounting plate 2, the first bolt 21, the index outer cylinder 22, the second bolt 23, the index drive mechanism 3, the motor drive assembly 31, the body cover 311, the servo motor 312, the planetary reduction gear set 313, the double-toothed drive shaft 314, the first bearing 315, the disc tooth structure 4, the mounting plate tooth cylinder 41, the mounting plate tooth 411, the piston disc tooth 42, the disc engagement disengagement drive mechanism 5, the disc disengagement drive assembly 51, the disengagement hydraulic chamber 511, the disc disengagement oil feed hole 512, the engagement hydraulic chamber 513, the disc engagement oil feed hole 514, the engagement assist assembly 52, the fixed boss 521, the assist spring 522, the engagement guide assembly 6, the guide disc 61, the guide disc tooth 62, the gear assembly 7, the transition rotation shaft 71, the second bearing 72, the transition gear 73, the transmission gear 74, the drive gear 75, etc. are used herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (10)
1. The utility model provides a long-life high accuracy indexing unit, includes at least one indexing box (1), indexing box (1) one end rotate and be equipped with graduation mounting disc (2), its characterized in that, indexing box (1) rotation be equipped with the mounting disc drive shaft (11) that graduation mounting disc (2) link to each other, mounting disc drive shaft (11) be connected with can drive mounting disc drive shaft (11) circumferential rotation's graduation actuating mechanism (3), the movable sleeve is equipped with piston fluted disc (111) on mounting disc drive shaft (11) and piston fluted disc (111) mesh with graduation mounting disc (2) through set tooth structure (4), piston fluted disc (111) be connected with can drive piston fluted disc (111) along mounting disc drive shaft (11) axial reciprocating motion thereby make piston fluted disc (111) and graduation mounting disc (2) intermeshing or the fluted disc meshing uncoupling actuating mechanism (5) of uncoupling.
2. The long-life high-precision indexing component according to claim 1, wherein the disc tooth structure (4) comprises a mounting disc tooth cylinder (41) arranged at one end of the indexing mounting disc (2) and extending into the indexing box body (1), a plurality of mounting disc teeth (411) are circumferentially arranged at one end of the mounting disc tooth cylinder (41), a plurality of piston disc teeth (42) meshed with the mounting disc teeth (411) are circumferentially arranged at one end of the piston fluted disc (111) close to the indexing mounting disc (2), and a meshing guide assembly (6) is arranged between the indexing mounting disc (2) and the piston fluted disc (111).
3. The long-life high-precision indexing component according to claim 2, wherein the meshing guide assembly (6) comprises a guide fluted disc (61) sleeved on the mounting disc tooth cylinder (41) and connected with the indexing box body (1), a plurality of guide disc teeth (62) which are arranged in the same direction as the mounting disc teeth (411) and are positioned at the circumferential periphery of the mounting disc teeth (411) are circumferentially arranged at one end of the guide fluted disc (61), and the piston disc teeth (42) are meshed with the guide disc teeth (62) and the mounting disc teeth (411) respectively.
4. A long life high precision indexing member according to claim 3, wherein said piston disc teeth (42), guide disc teeth (62) and mounting disc teeth (411) have the same number of teeth, said guide disc teeth (62) have a tooth height greater than the tooth height of the mounting disc teeth (411) and said piston disc teeth (42) and guide disc teeth (62) intermesh when the piston disc teeth (42) and mounting disc teeth (411) are disengaged from each other.
5. The long-life high-precision indexing component according to claim 1, 2, 3 or 4, wherein the fluted disc meshing and disengaging driving mechanism (5) comprises fluted disc meshing and disengaging driving components (51) which are arranged at two ends of the fluted disc (111) and can drive the fluted disc (111) to axially reciprocate along the driving shaft (11) of the mounting disc, and meshing assistance components (52) are arranged outside one end, far away from the indexing mounting disc (2), of the fluted disc (111).
6. The long-life high-precision indexing component according to claim 5, wherein the toothed disc disengagement driving assembly (51) comprises a disengagement hydraulic cavity (511) which is arranged in the indexing box body (1) and is positioned at one end of the piston toothed disc (111) close to the indexing mounting disc (2), the disengagement hydraulic cavity (511) is communicated with a toothed disc disengagement oil inlet hole (512) which is arranged on the indexing box body (1), an engagement hydraulic cavity (513) which is positioned at one end of the piston toothed disc (111) far away from the indexing mounting disc (2) is arranged in the indexing box body (1), the engagement hydraulic cavity (513) is communicated with a toothed disc engagement oil inlet hole (514) which is arranged on the indexing box body (1), and disengagement in-place sensing devices (12) and engagement in-place sensing devices (13) which are respectively corresponding to the outer sides of the two ends of the piston toothed disc (111) are arranged on the indexing box body (1).
7. The long-life high-precision indexing component according to claim 5, wherein the meshing assistance assembly (52) comprises a fixed shaft sleeve (521) arranged on the circumferential inner side of the indexing box body (1) and positioned at one end of the piston fluted disc (111) far away from the indexing installation disc (2), the installation disc driving shaft (11) is rotatably arranged in the fixed shaft sleeve (521), a plurality of assistance springs (522) are arranged between the fixed shaft sleeve (521) and the piston fluted disc (111), one end of each assistance spring (522) acts on the fixed shaft sleeve (521), and the other end of each assistance spring acts on the piston fluted disc (111).
8. A long life high precision indexing unit according to claim 1, wherein said indexing drive mechanism (3) comprises a motor drive assembly (31), said motor drive assembly (31) being drivingly connected to the mounting plate drive shaft (11) by means of a gear drive assembly (7); the number of the indexing boxes (1) is one, and the motor driving assembly (31) is arranged at one side of one end of the indexing box (1) far away from the indexing mounting plate (2); or, the number of the indexing boxes (1) is two, the indexing boxes (1) are symmetrically arranged, the motor driving assembly (31) is arranged between one ends of the two indexing boxes (1), the two indexing boxes (1) are respectively provided with a gear driving assembly (7), and the two gear driving assemblies (7) are connected with the motor driving assembly (31).
9. The long-life high-precision indexing component according to claim 8, wherein the motor driving assembly (31) comprises a machine cover (311) arranged at one end of the indexing box body (1) far away from the indexing installation disc (2), the machine cover (311) is provided with a servo motor (312), the servo motor (312) is connected with a double-tooth transmission shaft (314) through a planetary reduction gear set (313) positioned in the machine cover (311), and a first bearing (315) is arranged between the double-tooth transmission shaft (314) and the machine cover (311); the gear transmission assembly (7) comprises a transition rotating shaft (71) which is arranged in the indexing box body (1) and is parallel to the mounting disc driving shaft (11), a transition gear (73) is rotatably arranged on the transition rotating shaft (71) through a plurality of second bearings (72), one end of the transition gear (73) is meshed with a transmission gear (74) at the end of the double-tooth transmission shaft (314), and the other end of the transition gear is meshed with a driving gear (75) at the outer side of one end of the mounting disc driving shaft (11) in the circumferential direction.
10. A long life high precision indexing unit according to claim 3, characterized in that the indexing mounting plate (2) is fixedly connected to the end of the mounting plate driving shaft (11) by a plurality of first bolts (21), one end of the indexing mounting plate (2) is provided with an outer indexing plate cylinder (22) located at the outer circumferential side of the mounting plate tooth cylinder (41), the guiding fluted disc (61) is located between the mounting plate tooth cylinder (41) and the outer indexing plate cylinder (22), one end of the guiding fluted disc (61) is located at the outer side of the indexing box (1) and is connected to the indexing box (1) by a plurality of second bolts (23), and a sealing assembly is arranged among the indexing mounting plate (2), the mounting plate driving shaft (11), the indexing box (1) and the guiding fluted disc (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310144028.1A CN116197734A (en) | 2023-02-08 | 2023-02-08 | Long-life high-precision indexing component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310144028.1A CN116197734A (en) | 2023-02-08 | 2023-02-08 | Long-life high-precision indexing component |
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| Publication Number | Publication Date |
|---|---|
| CN116197734A true CN116197734A (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310144028.1A Pending CN116197734A (en) | 2023-02-08 | 2023-02-08 | Long-life high-precision indexing component |
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| Country | Link |
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| CN (1) | CN116197734A (en) |
Cited By (1)
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| CN117245442A (en) * | 2023-11-15 | 2023-12-19 | 廊坊市伊贝格机械有限公司 | Fluted disc indexing method, indexing device, control system, terminal equipment and medium |
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