CN111015437B - Numerical control polishing self-adaptive wheel type mechanism - Google Patents
Numerical control polishing self-adaptive wheel type mechanism Download PDFInfo
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- CN111015437B CN111015437B CN201911399453.5A CN201911399453A CN111015437B CN 111015437 B CN111015437 B CN 111015437B CN 201911399453 A CN201911399453 A CN 201911399453A CN 111015437 B CN111015437 B CN 111015437B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/005—Blocking means, chucks or the like; Alignment devices
- B24B13/0055—Positioning of lenses; Marking of lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Abstract
The invention provides a self-adaptive wheel type mechanism for numerical control polishing, wherein one end of a collimating rod of the mechanism is connected with an air drum adapter plate, the other end of the collimating rod of the mechanism is provided with a crown structure and matched with a reducing platform structure in a connecting rod, and the air drum adapter plate is connected with a support frame through an adapter; the rotating gear shaft is connected with the support frame through a bearing, so that the rotating gear shaft rotates in the support frame, the rotating gear is connected with the fixed gear and the rotating gear shaft in a matched mode, gear power transmission is achieved, and torque on the rotating gear shaft is transmitted to the polishing wheel rotating shaft, so that the polishing wheel is driven to rotate. The invention provides a method for improving the rigid connection characteristic of an original wheel type structure by adding an air drum structure, and further solves the problem of inconsistent actual removal amount of a processed workpiece caused by the inclination of installation and adjustment. The mechanism can automatically adapt to the surface height of the inclined workpiece, realizes self-adaptive processing, and achieves the purposes of rapid production, efficiency improvement, cost reduction and risk reduction.
Description
Technical Field
The invention relates to a numerical control polishing self-adaptive wheel type mechanism, belonging to the technical field of optical and mechanical precision machining, and grinding, polishing and surface shape finishing of surfaces of optical components and mechanical components with various shapes (symmetrical and asymmetrical).
Background
In the technical field of high-precision machining, high-precision matching between components is required to meet the requirement of mutual precision matching between the components and achieve the requirements of precision positioning and no deformation of elements. In the technical field of optical processing, for optical lenses forming various optical systems, such as lenses, reflectors, plane mirrors, spherical mirrors, aspherical mirrors, various asymmetric special-shaped mirrors and the like, grinding manufacturing such as rough grinding, fine grinding, polishing and the like is carried out according to the high-precision technical requirement (less than 10 nmRMS) of optical design on surface shape errors of optical elements, and the process is called optical cold processing in the optical processing industry.
In the existing machine tool equipment for optical cold machining, a mounted advanced wheel type polishing mechanism is in rigid fixed connection with a main shaft, and in the actual machining process, the removal amount of high and low point polishing removal caused by surface shape errors of a machined workpiece is accurately controlled by the accurate control of the stability of a polishing head removal function, the precision of a machine tool shafting and the residence time. The aim of the centering and adjusting operation is to ensure that the rotation center of the workpiece to be processed is coaxial with the rotation center of the rotary stage of the machine tool as much as possible (different axes refer to axes caused by translation rather than inclination), so as to ensure that the deviation of the optical axis and the mechanical axis of the workpiece to be processed meets the technical index requirement of the workpiece to be processed; meanwhile, the rotation center line of the processed workpiece is ensured to be coaxial with the rotation center line of the machine tool rotary object stage as much as possible so as to ensure that the inclination of the optical axis and the mechanical axis of the processed workpiece meets the technical index requirement of the processed workpiece; if the coaxiality of the rotation center line of the processed workpiece and the rotation center line of the rotary objective table of the machine tool is not good, the coaxiality is caused by the inclination of the processed workpiece during adjustment, and the connection between the grinding and polishing wheel and the main shaft of the conventional numerical control grinding and polishing machine tool adopts a rigid connection mode, so that the surface height of the inclined workpiece cannot be automatically adjusted and adjusted, and the self-adaptive processing is realized; the inclination of the optical axis and the mechanical axis of the processed workpiece is difficult to ensure to meet the technical index requirements of the processed workpiece, and particularly when the workpiece with a thin film coating plated on the surface is processed, the phenomenon that partial areas of the surface of the workpiece are excessively removed due to the installation and adjustment inclination is very easy to occur, and even the situation that the film layer is thrown and leaked can occur.
In order to avoid the above situations, a rotary objective table tool for high-precision machining is needed, high-precision adjustment is needed between the rotary objective table tool and a machine tool object-carrying rotary main shaft (the rotary objective table tool needs to be calibrated within a period of time to ensure the matching precision in the using process), and high-precision adjustment is needed between a workpiece to be machined and the rotary objective table to ensure the adjustment inclination error of the workpiece to be machined; this would result in an intangible increase in cost, an extension of the set-up time, a reduction in production efficiency and an increase in risk before the machining of the workpiece.
Disclosure of Invention
The invention provides a numerical control intelligent polishing self-adaptive wheel type mechanism which is suitable for the mechanical precision machining and optical machining processes. The invention provides a method for improving the rigid connection characteristic of an original wheel type structure by adding an air drum structure, and further solves the problem of inconsistent actual removal amount of a processed workpiece caused by the inclination of installation and adjustment. The mechanism can automatically adapt to the surface height of the inclined workpiece, and realizes adaptive machining. The purposes of rapid production, efficiency improvement, cost reduction and risk reduction are achieved.
The invention provides a numerical control polishing self-adaptive wheel type mechanism which comprises an S1 shaft sleeve, an S1 shaft center, a fixed gear, a rotating gear, a supporting frame, a rotating gear shaft, an auxiliary supporting frame, a polishing wheel rotating shaft, a polishing wheel, a connecting rod, pressure-adjustable compressed air, a quasi-straight rod, a rubber air drum, an air drum switching disc, a switching piece and an air drum pressing ring, wherein the S1 shaft sleeve is arranged on the front end of the polishing wheel; the S1 shaft sleeve is connected with the S1 shaft center in a matched mode, the S1 shaft center rotates in the S1 shaft sleeve, a rigid airtight connection interface is installed at the torque output end of the S1 shaft center, the connecting rod is inserted into a connection port of the rigid airtight connection interface, the connecting rod is connected with the S1 shaft center through the holding effect of the rigid airtight connection interface, pressure-adjustable compressed air is arranged in the S1 shaft center, a rubber air drum is installed below the connecting rod, an air drum adapter plate is installed below the rubber air drum, the upper end and the lower end of the rubber air drum are fixed with the connecting rod and the air drum adapter plate respectively through an air drum pressing ring, the torque transmission effect is achieved, a quasi straight rod is installed inside the connecting rod, one end of the quasi straight rod is connected with the air drum adapter plate, the other end of the quasi straight rod is designed with a crown-shaped structure, the quasi straight rod is matched with a reducing platform structure in the connecting rod, the air drum adapter plate is connected with the support frame through an adapter piece; the rotating gear shaft is connected with the support frame through a bearing, so that the rotating gear shaft rotates in the support frame, the rotating gear is connected with the rotating gear shaft in a matched mode, the fixed gear is fixed on the periphery of the shaft sleeve of the S1 shaft, the rotating gear is matched with the fixed gear to achieve gear power transmission, the auxiliary support frame is fixed on the side face of the support frame, the polishing wheel rotating shaft is fixed below the support frame and the auxiliary support frame, the polishing wheel is installed on the periphery of the polishing wheel rotating shaft to achieve the purpose that the polishing wheel and the polishing wheel rotating shaft can freely rotate in the support frame and the auxiliary support frame, the polishing wheel rotating shaft is connected with the rotating gear shaft in the support frame, the torque on the rotating gear shaft is transmitted to the polishing wheel rotating shaft to drive the polishing wheel to rotate, and in actual machining, the shaft sleeve of the S1 shaft and the fixed gear are fixed, the torque generated by the motor is finally transmitted to the support frame through the axle center of the S1 shaft, so that the polishing wheel revolves around the S1 shaft; the support frame drives the rotating gear to revolve around the S1 shaft while revolving around the S1 shaft, the rotating gear rotates around the rotating shaft of the rotating gear shaft through the interaction between the rotating gear and the gear on the fixed gear, and then the rotating gear is transmitted to the polishing wheel rotating shaft, so that the polishing wheel rotates around the rotating shaft of the polishing wheel rotating shaft, and stable and efficient revolution and rotation grinding and polishing work of the polishing wheel on the surface of a workpiece to be processed is realized in the processing process.
Preferably, the outer circle side wall of the aligning rod is in close clearance and precise fit with the inner hole side wall in the connecting rod.
Preferably, the rotating gear is connected with the rotating gear shaft in a mode of a key, a key groove and a clamp spring.
Preferably, the expansion and contraction amount of the rubber air drum and the load applied to the workpiece by the polishing wheel during processing are realized by adjusting the pressure in pressure-adjustable compressed air, the pressure-adjustable compressed air is provided by an external air compressor, and then the pressure adjustment of the compressed air is realized by adjusting a pressure adjusting valve on a pipeline.
The numerical control polishing self-adaptive wheel type mechanism has the beneficial effects that:
1. the numerical control polishing self-adaptive wheel type mechanism provided by the invention has the advantages that the air drum structure is added to change the rigid connection characteristic of the original wheel type structure, so that the problem of inconsistent actual removal amount of a processed workpiece caused by the inclination of installation and adjustment is solved;
2. the numerical control polishing self-adaptive wheel type mechanism utilizes the elastic extension and compression characteristics of the air drum, so that the polishing wheel can automatically adapt to the surface height of an inclined workpiece, and self-adaptive processing is realized.
3. The numerical control polishing self-adaptive wheel type mechanism can be combined with the existing numerical control polishing machine and mechanical arm numerical control equipment, so that the working efficiency and the processing precision are greatly improved; the manufacturing and production of intelligent optical machine elements and components are realized, and technologies and means are provided for the establishment of large-scale production lines.
4. The numerical control polishing self-adaptive wheel type mechanism achieves the purposes of rapid production, efficiency improvement, cost reduction and risk reduction.
Drawings
FIG. 1 is an assembled front view of a prior art wheel mechanism of the background of the invention;
FIG. 2 is a sectional view of the prior art wheel mechanism of the background of the invention;
in the figure: 101-S1 shaft sleeve I; 102-S1 Axis one; 103-fixed gear I; 104-rotating gear one; 105-support frame one; 106-rotating gear shaft one; 107-auxiliary support frame one; 108-polishing wheel spindle one; 109-polishing wheel one; 110-connecting rod one;
FIG. 3 is an assembled front view of a numerically controlled polished adaptive wheel mechanism of the present invention;
FIG. 4 is an assembled cross-sectional view of an adaptive wheel mechanism for numerically controlled polishing in accordance with the present invention;
FIG. 5 is a schematic diagram of the adaptive wheel mechanism for numerically controlled polishing according to the present invention for adjusting the inclination of a workpiece;
FIG. 6 is a cross-sectional view of the adaptive wheel mechanism for numerically controlled polishing of a workpiece according to the present invention;
in the figure: 1-S1 axle sleeve; 2-S1 axle center; 3-fixing a gear; 4-a rotating gear; 5-a support frame; 6-rotating the gear shaft; 7-an auxiliary support frame; 8-polishing wheel rotating shaft; 9-a polishing wheel; 10-a connecting rod; 11-compressed air with adjustable pressure; 12-a collimating rod; 13-rubber air drum; 14-air drum adapter plate; 15-an adaptor; 16-air-blast pressing ring; 17-a workpiece to be processed; 18-a rotary stage; 19-rotating the stage spindle; 20-adjustment introduces an inclined included angle.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
the first embodiment is as follows: the present embodiment is explained with reference to fig. 1 to 6. The numerical control polishing self-adaptive wheel type mechanism comprises an S1 shaft sleeve 1, an S1 shaft center 2, a fixed gear 3, a rotating gear 4, a support frame 5, a rotating gear shaft 6, an auxiliary support frame 7, a polishing wheel rotating shaft 8, a polishing wheel 9, a connecting rod 10, pressure-adjustable compressed air 11, a collimating rod 12, a rubber air drum 13, an air drum adapter disc 14, an adapter 15 and an air drum pressing ring 16;
the S1 shaft sleeve 1 is connected with the S1 shaft center 2 in a matched mode, the S1 shaft center 2 rotates in the S1 shaft sleeve 1, a rigid airtight connection interface is installed at a torque output end of the S1 shaft center 2, the connecting rod 10 is inserted into a connection port of the rigid airtight connection interface, the connecting rod 10 is connected with the S1 shaft center 2 through the holding effect of the rigid airtight connection interface, pressure-adjustable compressed air 11 is arranged in the S1 shaft center 2, a rubber air drum 13 is installed below the connecting rod 10, an air drum adapter plate 14 is installed below the rubber air drum 13, an air drum pressing ring 16 fixes the upper end and the lower end of the rubber air drum 13 with the connecting rod 10 and the air drum adapter plate 14 respectively to achieve the effect of torque transmission, a quasi-straight rod 12 is installed inside the connecting rod 10, one end of the quasi straight rod 12 is connected with the air drum adapter plate 14, and the other end of the quasi straight rod 12 is designed with, the connecting rod is matched with a reducing platform structure in the connecting rod 10, the telescopic stroke of the rubber air drum 13 is limited, and the air drum adapter plate 14 is connected with the support frame 5 through an adapter piece 15; the rotating gear shaft 6 is connected with the support frame 5 through a bearing, so that the rotating gear shaft 6 rotates in the support frame 5, the rotating gear 4 is connected with the rotating gear shaft 6 in a matched manner, the fixed gear 3 is fixed at the periphery of the shaft sleeve 1 of S1, the rotating gear 4 is matched with the fixed gear 3 to realize gear power transmission, the auxiliary support frame 7 is fixed at the side surface of the support frame 5, the polishing wheel rotating shaft 8 is fixed below the support frame 5 and the auxiliary support frame 7, the polishing wheel 9 is installed at the periphery of the polishing wheel rotating shaft 8 to realize that the polishing wheel 9 and the polishing wheel rotating shaft 8 freely rotate in the support frame 5 and the auxiliary support frame 7, the polishing wheel rotating shaft 8 is connected with the rotating gear shaft 6 in the support frame 5, the torque on the rotating gear shaft 6 is transmitted to the polishing wheel rotating shaft 8 to drive the polishing wheel 9 to rotate, and in actual processing, the shaft sleeve 1 and the fixed gear 3 of the S1 are fixed on a Z shaft of a numerical control machine tool and move along with the Z shaft, and the torque generated by the motor is finally transmitted to the support frame 5 through the shaft center 2 of the S1 shaft, so that the polishing wheel 9 revolves around the S1 shaft; the supporting frame 5 drives the rotating gear 4 to revolve around the S1 shaft while revolving around the S1 shaft, the rotating gear 4 rotates around the rotating shaft of the rotating gear shaft 6 through the interaction between the rotating gear 4 and the gear on the fixed gear 3, and then the rotating gear is transmitted to the polishing wheel rotating shaft 8, so that the polishing wheel 9 rotates around the rotating shaft of the polishing wheel rotating shaft 8, and therefore stable and efficient revolution and rotation polishing work of the polishing wheel 9 on the surface of a workpiece 17 to be processed is achieved in the processing process.
The expansion and contraction amount of the rubber air drum 13 and the load applied to a workpiece by the polishing wheel 9 during processing are realized by adjusting the pressure in the pressure-adjustable compressed air 11, the pressure-adjustable compressed air 11 is provided by an external air compressor, and then the pressure adjustment of the compressed air is realized by adjusting a pressure adjusting valve on a pipeline.
The pressure-adjustable compressed air 11 is composed of all the pneumatic lines connected to the hollow portion of the shaft core 2 of the S1 shaft and the pressure-adjustable compressed air in the pressure regulating valve, but for the sake of simplicity, the pressure-adjustable compressed air 11 here may be defined as the pressure-adjustable compressed air in the hollow portion of the shaft core 2 of the S1 shaft.
The S1 shaft sleeve 1 is connected with the S1 shaft center 2 through the conventional matching of the shaft sleeve, the bearing and the shaft, so that the S1 shaft center 2 can freely rotate in the S1 shaft sleeve 1.
The core part of the invention is self-adaptive polishing realized by changing rigid connection into flexible connection, and the original rigid connection mode of the support frame 5 and the S1 shaft center 2 is changed into the elastic connection mode of the existing support frame 5 and the S1 shaft center 2.
The connecting rod 10 is a self-adaptive connecting rod, a collimating rod 12 is arranged in the connecting rod 10, one end of the collimating rod 12 is connected with an air drum adapter 14 through threads, the other end of the collimating rod 12 is designed with a crown structure and is matched with a reducing platform structure in the self-adaptive connecting rod of the connecting rod 10, the telescopic stroke of the air drum is limited, and the outer circle side wall of the collimating rod 12 is precisely matched with the inner hole side wall in the self-adaptive connecting rod of the connecting rod 10 by adopting small clearance, on one hand, because the connecting rod 10 is connected with the air drum adapter plate 14 by using the rubber air drum 13, the polishing wheel 9 is flexibly connected and poor in rigidity, the relative position of the polishing wheel 9 in actual machining cannot be controlled, and the machined workpiece cannot be accurately removed, so that small-gap precise matching is adopted, the polishing wheel has radial rigidity, and meanwhile, the polishing wheel can have the axial telescopic characteristic.
The rotating gear 4 is connected with the rotating gear shaft 6 in a conventional key, key groove and clamp spring mode.
The auxiliary support frame 7 is fixed with the support frame 5 by a conventional screw connection mode.
The polishing wheel rotating shaft 8 is connected with the supporting frame 5 and the auxiliary supporting frame 7 in a conventional bearing connection mode.
The polishing wheel 9 is connected with the polishing wheel rotating shaft 8 in a conventional key, key groove and clamp spring mode, so that the polishing wheel 9 and the polishing wheel rotating shaft 8 can freely rotate in the support frame 5 and the auxiliary support frame 7 simultaneously; the polishing wheel rotating shaft 8 and the rotating gear shaft 6 are connected in the supporting frame 5 in a conventional synchronous wheel and synchronous belt mode, and the torque on the rotating gear shaft 6 can be transmitted to the polishing wheel rotating shaft 8 through the synchronous wheel and the synchronous belt, so that the polishing wheel 9 rotates.
The fixed gear 3 is fixed on the S1 axle sleeve 1 in a screw traction and holding manner, so that the rotating gear 4 is matched with the fixed gear 3 to realize gear power transmission; in actual processing, the shaft sleeve 1 and the fixed gear 3 of the S1 are fixed on the Z shaft of the numerical control machine tool to move along with the Z shaft, the torque generated by the motor is finally transmitted to the support frame 5 through a series of components such as the shaft center 2 of the S1 shaft, and the polishing wheel 9 is installed on the support frame 5 through the rotating shaft 8 of the polishing wheel, namely, the polishing wheel 9 revolves around the shaft of the S1 by the torque on the component 2; the supporting frame 5 revolves around the axis S1 to drive the rotating gear 4 to revolve around the axis S1, the rotating gear 4 rotates around the rotating shaft of the rotating gear shaft 6 through the interaction between the rotating gear 4 and the gear on the fixed gear 3, and finally the polishing wheel 9 rotates around the rotating shaft of the polishing wheel rotating shaft 8 through a series of transmission conversion such as a synchronous wheel, a synchronous belt and the polishing wheel rotating shaft 8, so that the polishing wheel 9 can perform stable and efficient revolution and rotation polishing work on the surface of the workpiece to be processed 17 in the processing process.
When the workpiece 17 is adjusted on the rotary stage 18 due to a series of problems such as improper adjustment, an included angle is formed between the rotation center of the workpiece 17 and the rotation center of the rotary stage 18, that is, the workpiece is inclined, and the problem of inconsistent actual removal amount of the workpiece caused by the adjustment inclination (as shown in fig. 6) is solved under the action of the adaptive telescopic compensation mechanism consisting of the connecting rod 10, the collimating rod 12, the rubber air drum 13, the air drum adapter plate 14, the adapter 15 and the air drum pressing ring 16.
The mechanism of the invention utilizes the elastic extension and compression characteristics of the air drum, so that the grinding and polishing wheel can automatically adapt to the surface height of the inclined workpiece, and the self-adaptive processing is realized. The purposes of rapid production, efficiency improvement, cost reduction and risk reduction are achieved.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and that the reasonable combination of the features described in the above-mentioned embodiments can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A numerical control polishing self-adaptive wheel type mechanism is characterized by comprising an S1 shaft sleeve (1), an S1 shaft center (2), a fixed gear (3), a rotating gear (4), a support frame (5), a rotating gear shaft (6), an auxiliary support frame (7), a polishing wheel rotating shaft (8), a polishing wheel (9), a connecting rod (10), pressure-adjustable compressed air (11), a collimating rod (12), a rubber air drum (13), an air drum adapter disc (14), an adapter piece (15) and an air drum pressing ring (16);
the S1 shaft sleeve (1) is connected with the S1 shaft center (2) in a matched mode, the S1 shaft center (2) rotates in the S1 shaft sleeve (1), the torque output end of the S1 shaft center (2) is provided with a rigid airtight connection interface, the connecting rod (10) is inserted into the connecting port of the rigid airtight connection interface, the connecting rod (10) is connected with the S1 shaft center (2) through the holding effect of the rigid airtight connection interface, pressure-adjustable compressed air (11) is arranged in the S1 shaft center (2),
a rubber air drum (13) is arranged below the connecting rod (10), an air drum adapter plate (14) is arranged below the rubber air drum (13), the upper end and the lower end of the rubber air drum (13) are respectively fixed with the connecting rod (10) and the air drum adapter plate (14) by an air drum pressing ring (16) to realize the function of transmitting torque,
an alignment rod (12) is installed inside the connecting rod (10), one end of the alignment rod (12) is connected with an air drum adapter plate (14), the other end of the alignment rod is designed with a crown structure and matched with a reducing platform structure in the connecting rod (10) to limit the telescopic stroke of the rubber air drum (13), and the air drum adapter plate (14) is connected with the supporting frame (5) through an adapter piece (15);
the rotating gear shaft (6) is connected with the support frame (5) through a bearing, so that the rotating gear shaft (6) rotates in the support frame (5), the rotating gear (4) is connected with the rotating gear shaft (6) in a matching way, the fixed gear (3) is fixed at the periphery of the shaft sleeve (1) of the S1 shaft, the rotating gear (4) is matched with the fixed gear (3) to realize gear power transmission,
the auxiliary supporting frame (7) is fixed on the side surface of the supporting frame (5), the polishing wheel rotating shaft (8) is fixed below the supporting frame (5) and the auxiliary supporting frame (7), the polishing wheel (9) is installed on the periphery of the polishing wheel rotating shaft (8) so as to realize that the polishing wheel (9) and the polishing wheel rotating shaft (8) can freely rotate in the supporting frame (5) and the auxiliary supporting frame (7), the polishing wheel rotating shaft (8) and the rotating gear shaft (6) are connected in the supporting frame (5), the torque on the rotating gear shaft (6) is transmitted to the polishing wheel rotating shaft (8) to further drive the polishing wheel (9) to rotate,
in actual processing, the shaft sleeve (1) of the S1 shaft and the fixed gear (3) are fixed on a Z shaft of a numerical control machine tool and move along with the Z shaft, and torque generated by a motor is finally transmitted to the support frame (5) through the shaft center (2) of the S1 shaft, so that the polishing wheel (9) revolves around the S1 shaft; the supporting frame (5) revolves around an S1 shaft and simultaneously drives the rotating gear (4) to revolve around an S1 shaft, the rotating gear (4) rotates around the rotating shaft of the rotating gear shaft (6) through the interaction between the rotating gear (4) and the gear on the fixed gear (3), and then the rotating gear is transmitted to the polishing wheel rotating shaft (8), so that the polishing wheel (9) rotates around the rotating shaft of the polishing wheel rotating shaft (8), and the polishing wheel (9) performs stable and efficient revolution and rotation grinding and polishing work on the surface of a workpiece (17) to be processed in the processing process;
the outer circle side wall of the alignment rod (12) is in close clearance and precise fit with the inner hole side wall in the connecting rod (10);
the expansion and contraction amount of the rubber air drum (13) and the load applied to a workpiece by the polishing wheel (9) during processing are realized by adjusting the pressure in pressure-adjustable compressed air (11), the pressure-adjustable compressed air (11) is provided by an external air compressor, and then the pressure adjustment of the compressed air is realized by adjusting a pressure adjusting valve on a pipeline.
2. The numerical control polishing self-adaptive wheel type mechanism according to claim 1, characterized in that the rotating gear (4) is connected with the rotating gear shaft (6) in a mode of a key, a key groove and a snap spring.
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| CN106181711A (en) * | 2016-08-24 | 2016-12-07 | 孙树峰 | A kind of exploration type inner tank wall flexible polishing device |
| CN106181711B (en) * | 2016-08-24 | 2018-04-06 | 孙树峰 | A kind of exploration type inner tank wall flexible polishing device |
| CN108857824A (en) * | 2018-06-20 | 2018-11-23 | 佛山市同鑫智能装备科技有限公司 | A kind of burnishing device adjusted with multistage |
| CN109129177A (en) * | 2018-07-20 | 2019-01-04 | 中国科学院西安光学精密机械研究所 | A kind of wheeled end burnishing device of public affairs rotation |
| CN110497287A (en) * | 2019-09-09 | 2019-11-26 | 吉林大学 | A kind of wheeled air bag polishing device of single-motor double freedom degree speed change |
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