CN202701966U - Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo - Google Patents
Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo Download PDFInfo
- Publication number
- CN202701966U CN202701966U CN 201220332034 CN201220332034U CN202701966U CN 202701966 U CN202701966 U CN 202701966U CN 201220332034 CN201220332034 CN 201220332034 CN 201220332034 U CN201220332034 U CN 201220332034U CN 202701966 U CN202701966 U CN 202701966U
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- abrasive band
- hydraulic servo
- polishing
- aspheric surface
- grinding
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Abstract
The utility model relates to an aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo. The aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo comprises a hydraulic servo system and an abrasive belt tool system which are connected through a connection rod mechanism. The abrasive belt tool system comprises an abrasive belt driven by a tool motor, an upper foot support rod and a lower foot support rod, wherein the upper foot support rod and the lower foot support rod are connected through a third bearing. The hydraulic servo system comprises a hydraulic cylinder which is sequentially connected with a one-way throttle valve, a three-position four-way solenoid valve, an overflowing valve, a hydraulic pump, a filter and an oil tank. The hydraulic servo system can adjust grinding and polishing pressure by adjusting the stroke of the connection rod mechanism and can stabilize the grinding and polishing pressure through the overflowing valve. The aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo solves the problem that grinding and polishing pressure in a process of grinding and polishing aspheric optical parts with an abrasive belt is not stable. Simultaneously, the surface abrasive belt grinding and polishing tool based on hydraulic servo has the advantages of being capable of self adaptive to work piece curves, good in effect removing grinding and polishing chips, large in grinding ratio, high in grinding and polishing efficiency, simple in structure and low in manufacturing cost.
Description
Technical field
The utility model belongs to the machinery processing apparatus technical field, especially for the precision machined abrasive band polishing of aspheric surface optical accessory instrument, specifically, relates to a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo.
Background technology
The abrasive band polishing is a kind of high efficiency, low cost, multiduty grinding new method, and it far surpasses conventional wheel grinding technique for adaptability and the flexibility of various materials and Shape Parts processing.When the processing work surface, the difference of abrasive band and emery wheel is: emery wheel is in tensile stress state when grinding, and because heat accumulation easily produces microfissure and burn phenomenon in the surface of the work grinding; And the abrasive band has grinding and polishing double action, is compressive stress state, and heating is few, is difficult for burn, therefore claim again the cold conditions grinding, and its cutting ability is apparently higher than general wheel grinding.At present, polishing technology in abrasive band can be replenished or the Partial Replacement wheel grinding, and is applied to extensively accurate and ultraprecise processing, but existing abrasive band polishing method and instrument thereof are difficult to stably control polishing pressure, limit the range of application of abrasive band polishing with this.
Summary of the invention
The purpose of the utility model is to overcome existing technological deficiency, a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo in the aspheric surface optical accessory Precision Machining process is provided, solve the problem with abrasive band polishing pressure transient in aspheric surface optical accessory polishing process, the utility model also has energy self adaptation curve surface of workpiece simultaneously, it is effective to drain the polishing scrap, and grinding ratio is large, and polishing efficient is high, simple in structure, the advantage of low cost of manufacture.
It is as follows that the utility model solves the problems of the technologies described above the technical scheme that adopts:
A kind of aspheric surface abrasive band polishing instrument based on hydraulic servo, wherein, include Hydrauservo System and abrasive band tool system, Hydrauservo System and abrasive band tool system connect by linkage, the abrasive band tool system includes by the motor-driven abrasive band of instrument and passes through upper pin pole and the leftover bits and pieces pole that the 3rd bearing connects, Hydrauservo System includes hydraulic cylinder, and hydraulic cylinder is connected with one-way throttle valve, three position four-way electromagnetic valve, overflow valve, hydraulic pump, filter and fuel tank in turn.
For optimizing technique scheme, the concrete measure of taking also comprises:
Above-mentioned Hydrauservo System includes workbench, and hydraulic cylinder is fixed on the workbench.
Above-mentioned linkage comprise successively hinged cooperation long connecting rod, short connecting rod and hydraulic cylinder piston rod, long connecting rod one end is fixedly connected with the abrasive band tool system, and the long connecting rod body of rod and workbench are hinged, short connecting rod and hydraulic cylinder piston rod are provided with angle, and hydraulic cylinder piston rod one end cooperates with hydraulic cylinder piston.
Above-mentioned abrasive band tool system includes gripper shoe, is fixed with abrasive belt wheel and the 3rd bearing on the gripper shoe; Gripper shoe is fixedly connected with long connecting rod.
Above-mentioned abrasive belt wheel is connected with the instrument motor.
Above-mentioned instrument motor is fixed on the gripper shoe.
Above-mentioned upper pin pole and an end of leftover bits and pieces pole are by the 3rd bearing hinge connection, and upper pin pole is provided with clutch shaft bearing away from an end of the 3rd bearing, leftover bits and pieces pole is provided with the second bearing away from an end of the 3rd bearing, be arranged with the first sleeve on the clutch shaft bearing, be arranged with the second sleeve on the second bearing, abrasive band annular winding is on the first sleeve, the second sleeve and the 3rd bearing.
The cylindrical shell of indent, edge protuberance in the middle of the first above-mentioned sleeve and the second sleeve are.
Above-mentioned upper pin pole bar middle part is raised with the first joint, and leftover bits and pieces pole bar middle part is raised with the second joint, is connected with the spring in conveniently assemble and disassemble abrasive band between the first joint and the second joint.
Be fixed be used to the fixed block that prevents the hydraulic cylinder piston rod teeter on the above-mentioned workbench.
Compared with prior art, a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo of the present utility model, wherein, include Hydrauservo System and abrasive band tool system, Hydrauservo System and abrasive band tool system connect by linkage, the abrasive band tool system includes by the motor-driven abrasive band of instrument and passes through upper pin pole and the leftover bits and pieces pole that the 3rd bearing connects, Hydrauservo System includes hydraulic cylinder, hydraulic cylinder is connected with one-way throttle valve in turn, three position four-way electromagnetic valve, overflow valve, hydraulic pump, filter and fuel tank, Hydrauservo System is passed through the polishing pressure in the journey adjusting abrasive band of control link mechanism, and stablizes this polishing pressure by overflow valve.Pressure has individual Pressure gauge by servo-hydraulic control on the overflow valve in the Hydrauservo System, so that pressure is readable, by regulation relief valve, can stablize by controlled pressure.Clamping workpiece is on anchor clamps, the abrasive band directly contacts with workpiece, instrument driven by motor abrasive belt wheel rotates so that the abrasive band is servo-actuated, simultaneously, the amount of movement of the piston movement of servo-hydraulic control hydraulic cylinder piston rod comes control link mechanism kinematic direction and distance, reaches the position of adjusting abrasive band tool system and the purpose of the pressure between abrasive band and the workpiece.Polishing instrument described in the utility model obviously has following 2 advantages: (1) is with respect to traditional abrasive band polishing method and instrument, this polishing method and instrument thereof can be controlled polishing pressure effectively, the power that submissive system force/the position coupled problem causes that has overcome mechanical type control abrasive band grinding and polishing device is controlled an inaccurate difficult problem, be conducive to obtain stable polishing normal force, stressed unsettled problem when having overcome the processing aspheric surface optical accessory has improved the finished machined quality of piece surface; (2) with respect to polishing method and instrument thereof with polishing dish, emery wheel etc., this polishing method and instrument thereof can be drained the scrap that got off by polishing on the workpiece effectively, have avoided that polishing scrap in the aspheric surface optical accessory polishing process is difficult to be drained and a difficult problem that accumulation is too concentrated; The abrasive band has grinding and polishing double action, is compressive stress state, and heating is few, is difficult for the burn workpiece; Sbrasive belt grinding is than large, and grinding efficiency is high, has improved working (machining) efficiency.In addition, this polishing tool work principle and simple in structure, low cost of manufacture is conducive to apply.
Description of drawings
Fig. 1 is the utility model work schematic diagram;
Fig. 2 is the utility model abrasive band tool system front view;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the top view of Fig. 2;
Fig. 5 is the assembling schematic diagram of the utility model Hydrauservo System.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 5 shows that structural representation of the present utility model.
Reference numeral among Fig. 1 to Fig. 5 wherein is: Hydrauservo System 1, hydraulic cylinder 11, one-way throttle valve 12, three position four-way electromagnetic valve 13, overflow valve 14, hydraulic pump 15, filter 16, fuel tank 17, workbench 18, fixed block 19, abrasive band tool system 2, the 3rd bearing 21, upper pin pole 21a, leftover bits and pieces pole 21b, abrasive band 22, instrument motor 23, gripper shoe 24, abrasive belt wheel 25, the first sleeve 26, the second sleeve 27, clutch shaft bearing 28, the second bearing 29, linkage 3, long connecting rod 31, short connecting rod 32, hydraulic cylinder piston rod 33, the first joint 41, the second joint 42, spring 43.
A kind of aspheric surface abrasive band polishing instrument based on hydraulic servo, wherein, include Hydrauservo System 1 and abrasive band tool system 2, Hydrauservo System 1 and abrasive band tool system 2 connect by linkage 3, abrasive band tool system 2 includes the abrasive band 22 that is driven by instrument motor 23 and upper pin pole 21a and the leftover bits and pieces pole 21b that connects by the 3rd bearing 21, Hydrauservo System 1 includes hydraulic cylinder 11, hydraulic cylinder 11 is connected with one-way throttle valve 12 in turn, three position four-way electromagnetic valve 13, overflow valve 14, hydraulic pump 15, filter 16 and fuel tank 17, Hydrauservo System 1 is passed through the polishing pressure in the journey adjusting abrasive band 22 of control link mechanism 3, and stablizes this polishing pressure by overflow valve 14.
Among the embodiment, Hydrauservo System 1 includes workbench 18, and hydraulic cylinder 11 is fixed on the workbench 18.
Among the embodiment, linkage 3 comprise successively hinged cooperation long connecting rod 31, short connecting rod 32 and hydraulic cylinder piston rod 33, long connecting rod 31 1 ends are fixedly connected with abrasive band tool system 2, and long connecting rod 31 bodies of rod and workbench 18 are hinged, short connecting rod 32 is provided with angle with hydraulic cylinder piston rod 33, and hydraulic cylinder piston rod 33 1 ends cooperate with hydraulic cylinder 11 pistons.
Among the embodiment, abrasive band tool system 2 includes gripper shoe 24, is fixed with abrasive belt wheel 25 and the 3rd bearing 21 on the gripper shoe 24; Gripper shoe 24 is fixedly connected with long connecting rod 31.
Among the embodiment, abrasive belt wheel 25 is connected with instrument motor 23.
Among the embodiment, instrument motor 23 is fixed on the gripper shoe 24.
Among the embodiment, the end of upper pin pole 21a and leftover bits and pieces pole 21b is hinged by the 3rd bearing 21, and upper pin pole 21a is provided with clutch shaft bearing 28 away from an end of the 3rd bearing 21, leftover bits and pieces pole 21b is provided with the second bearing 29 away from an end of the 3rd bearing 21, be arranged with the first sleeve 26 on the clutch shaft bearing 28, be arranged with the second sleeve 27 on the second bearing 29, abrasive band 22 annular windings are on the first sleeve 26, the second sleeve 27 and the 3rd bearing 21.
Among the embodiment, the cylindrical shell of indent, edge protuberance in the middle of the first sleeve 26 and the second sleeve 27 are.
Among the embodiment, upper pin pole 21a bar middle part is raised with the first joint 41, and leftover bits and pieces pole 21b bar middle part is raised with the spring 43 that is connected with conveniently assemble and disassemble abrasive band 22 between the second joint 42, the first joints 41 and the second joint 42.
Among the embodiment, be fixed with on the workbench 18 be used to the fixed block 19 that prevents hydraulic cylinder piston rod 33 teeters.
The utility model has comprised Hydrauservo System 1 and abrasive band tool system 2, and both connect by linkage.Hydrauservo System 1 has overcome the mechanical power that submissive system force/the position coupled problem causes and has controlled an inaccurate difficult problem, is conducive to obtain stable polishing normal force, has improved the part grinding and polishing quality; Abrasive band tool system 2 is prodigiosin self adaptation curve surface of workpiece to a certain extent, and it is effective to drain the polishing scrap, and grinding ratio is large, has improved polishing efficient.
Abrasive band tool system 2 has a circular abrasive band 22 with one fixed width and diameter, directly contacts with workpiece; Abrasive band 22 is installed on the triangular supports.Triangular supports becomes an isosceles triangle, formed by two small sleeves and an abrasive belt wheel 25, and indent in the middle of the small sleeve, the edge projection, small sleeve is installed on the bolt bearing; Abrasive belt wheel 25 is connected with instrument motor 23, for abrasive band 22 provides main motion, and is fixed on the gripper shoe.
Long connecting rod 31 bodies of rod are point articulated on workbench 18, and long connecting rod 31 other ends and short connecting rod 32 are hinged, and short connecting rod 32 has a certain degree with pole axis; The other end of short connecting rod 32 and hydraulic cylinder 11 piston rods are hinged, and hydraulic cylinder 11 is parallel with pole axis, and are fixed on the workbench 18.The operation principle of hydraulic cylinder 11 is that hydraulic cylinder 11 inlets and liquid outlet are distinguished order to choke valve 12, one-way throttle valve 12 connects a three position four-way electromagnetic valve 13, three position four-way electromagnetic valve 13 connects an overflow valve 14, overflow valve 14 connects a hydraulic pump 15, hydraulic pump 15 connects a filter 16, filter 16 connected tanks 17.
The course of work of a kind of aspheric surface abrasive band 22 polishing instruments based on hydraulic servo control of the present utility model is:
Clamping workpiece to be processed is on anchor clamps, and motor provides principal rotating motion for workpiece;
Workbench 18 clampings are providing on the cutter frame mechanism of principal feed motion, are the radial trajectories that workpiece centre is put the edge point for polishing processing provides principal feed motion, principal feed motion track;
Start at last hydraulic servo control system, under the effect of hydraulic cylinder 11 and linkage, control polishing pressure stability, under the control of hydraulic system, amount of movement that can the regulating piston bar, the drivening rod rotation, thus regulate the pressure of abrasive band 22 polishings.
Pressure has individual Pressure gauge by hydraulic servo control on the overflow valve 14 in the hydraulic servo, and by regulation relief valve 14, but controlled pressure is stable, the visible Pressure gauge of pressure reading.
Polishing instrument described in the utility model obviously has following 2 advantages: (1) is with respect to traditional abrasive band polishing method and instrument, this polishing method and instrument thereof can be controlled polishing pressure effectively, the power that submissive system force/the position coupled problem causes that has overcome mechanical type control abrasive band grinding and polishing device is controlled an inaccurate difficult problem, be conducive to obtain stable polishing normal force, stressed unsettled problem when having overcome the processing aspheric surface optical accessory has improved the finished machined quality of piece surface; (2) with respect to polishing method and instrument thereof with polishing dish, emery wheel etc., this polishing method and instrument thereof can be drained the scrap that got off by polishing on the workpiece effectively, have avoided that polishing scrap in the aspheric surface optical accessory polishing process is difficult to be drained and a difficult problem that accumulation is too concentrated; The abrasive band has grinding and polishing double action, is compressive stress state, and heating is few, is difficult for the burn workpiece; Sbrasive belt grinding is than large, and grinding efficiency is high, has improved working (machining) efficiency.In addition, this polishing tool work principle and simple in structure, low cost of manufacture is conducive to apply.
Claims (10)
1. aspheric surface abrasive band polishing instrument based on hydraulic servo, it is characterized in that: include Hydrauservo System (1) and abrasive band tool system (2), described Hydrauservo System (1) and abrasive band tool system (2) connect by linkage (3), described abrasive band tool system (2) includes the abrasive band (22) that is driven by instrument motor (23) and upper pin pole (21a) and the leftover bits and pieces pole (21b) that connects by the 3rd bearing (21), described Hydrauservo System (1) includes hydraulic cylinder (11), and described hydraulic cylinder (11) is connected with one-way throttle valve (12) in turn, three position four-way electromagnetic valve (13), overflow valve (14), hydraulic pump (15), filter (16) and fuel tank (17).
2. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 1, it is characterized in that: described Hydrauservo System (1) includes workbench (18), and described hydraulic cylinder (11) is fixed on the workbench (18).
3. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 2, it is characterized in that: described linkage (3) comprise successively hinged cooperation long connecting rod (31), short connecting rod (32) and hydraulic cylinder piston rod (33), described long connecting rod (31) one ends are fixedly connected with abrasive band tool system (2), and long connecting rod (31) body of rod and workbench (18) are hinged, described short connecting rod (32) is provided with angle with hydraulic cylinder piston rod (33), and described hydraulic cylinder piston rod (33) one ends cooperate with hydraulic cylinder (11) piston.
4. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 3, it is characterized in that: described abrasive band tool system (2) includes gripper shoe (24), is fixed with abrasive belt wheel (25) and described the 3rd bearing (21) on the described gripper shoe (24); Described gripper shoe (24) is fixedly connected with long connecting rod (31).
5. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 4, it is characterized in that: described abrasive belt wheel (25) is connected with instrument motor (23).
6. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 5, it is characterized in that: described instrument motor (23) is fixed on the gripper shoe (24).
7. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 6, it is characterized in that: an end of described upper pin pole (21a) and leftover bits and pieces pole (21b) is hinged by the 3rd bearing (21), and described upper pin pole (21a) is provided with clutch shaft bearing (28) away from an end of the 3rd bearing (21), described leftover bits and pieces pole (21b) is provided with the second bearing (29) away from an end of the 3rd bearing (21), be arranged with the first sleeve (26) on the described clutch shaft bearing (28), be arranged with the second sleeve (27) on described the second bearing (29), the annular winding in described abrasive band (22) is in the first sleeve (26), on the second sleeve (27) and the 3rd bearing (21).
8. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 7 is characterized in that: the cylindrical shell of indent, edge protuberance in the middle of described the first sleeve (26) and the second sleeve (27) are.
9. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 8, it is characterized in that: described upper pin pole (21a) bar middle part is raised with the first joint (41), described leftover bits and pieces pole (21b) bar middle part is raised with the second joint (42), is connected with the spring (43) of conveniently assemble and disassemble abrasive band (22) between described the first joint (41) and the second joint (42).
10. a kind of aspheric surface abrasive band polishing instrument based on hydraulic servo according to claim 9 is characterized in that: be fixed with on the described workbench (18) be used to the fixed block (19) that prevents hydraulic cylinder piston rod (33) teeter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220332034 CN202701966U (en) | 2012-07-11 | 2012-07-11 | Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo |
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CN 201220332034 CN202701966U (en) | 2012-07-11 | 2012-07-11 | Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo |
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CN 201220332034 Expired - Fee Related CN202701966U (en) | 2012-07-11 | 2012-07-11 | Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servo |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102814714A (en) * | 2012-07-11 | 2012-12-12 | 宁波大学 | Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servos |
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2012
- 2012-07-11 CN CN 201220332034 patent/CN202701966U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102814714A (en) * | 2012-07-11 | 2012-12-12 | 宁波大学 | Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servos |
CN102814714B (en) * | 2012-07-11 | 2014-11-05 | 宁波大学 | Aspheric surface abrasive belt grinding and polishing tool based on hydraulic servos |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150711 |
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EXPY | Termination of patent right or utility model |