CN111002120A - Special grinding machine for grinding shaft diameter of composite propeller blade - Google Patents

Special grinding machine for grinding shaft diameter of composite propeller blade Download PDF

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Publication number
CN111002120A
CN111002120A CN201911359673.5A CN201911359673A CN111002120A CN 111002120 A CN111002120 A CN 111002120A CN 201911359673 A CN201911359673 A CN 201911359673A CN 111002120 A CN111002120 A CN 111002120A
Authority
CN
China
Prior art keywords
headstock
toothed belt
tailstock
belt wheel
main shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911359673.5A
Other languages
Chinese (zh)
Inventor
张雪菲
孙博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoding Xiangyang Aviation Precision Machinery Co ltd
Original Assignee
Baoding Xiangyang Aviation Precision Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baoding Xiangyang Aviation Precision Machinery Co ltd filed Critical Baoding Xiangyang Aviation Precision Machinery Co ltd
Priority to CN201911359673.5A priority Critical patent/CN111002120A/en
Publication of CN111002120A publication Critical patent/CN111002120A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/061Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/35Accessories

Abstract

The invention discloses a special grinding machine for grinding the shaft diameter of a composite propeller blade, which comprises an MQ1350A type universal cylindrical grinder body and a motor, wherein the motor comprises a headstock box body, a tailstock box body, a headstock main shaft, a tailstock main shaft, a headstock and tailstock synchronous linkage device and a propeller blade clamping device; the head-tail frame synchronous linkage device comprises a head frame toothed belt wheel VI, a toothed belt I, a head frame tensioning wheel, a head frame toothed belt wheel V, a left polished rod, a polished rod coupler, a right polished rod, a tail frame toothed belt wheel III, a tail frame toothed belt wheel II, a tail frame tensioning wheel, a tail frame toothed belt and a tail frame toothed belt wheel I. The turning radius of the grinding machine is increased from 250mm to 400mm, so that the turning of the maximum diameter part of the blade is ensured not to interfere with a machine tool, and the shaft diameter of the composite material propeller blade 9 is ensured not to be subjected to torque when being ground, so that the blade is prevented from being damaged.

Description

Special grinding machine for grinding shaft diameter of composite propeller blade
Technical Field
The invention relates to the technical field of machining, in particular to a special grinding machine for grinding the shaft diameter of a composite propeller blade.
Background
The field of machining in China is developing at a high speed, and products are continuously updated and upgraded: the main component of an aircraft, the propeller, is a device that spins in the air and converts the engine rotational power into propulsive or lifting force. The JL4A series composite propeller blade produced at present is composed of a fiber structure blade and a steel shaft diameter, namely the blade and the shaft diameter are integrated, the shaft diameter is formed by turning, and the roundness and the roughness of the shaft diameter cannot be guaranteed, so that the grinding process is needed, but a special grinding machine for grinding the shaft diameter of the composite propeller blade is not available at present, the blade can only be clamped by a headstock of the traditional grinding machine, and the end part of the shaft diameter is propped by a thimble of a tailstock, so that the composite material layer is damaged by torsion of the propeller blade in the grinding process. Therefore, a special grinding machine which is easy to operate, simple in structure and high in reliability and is used for grinding the shaft diameter of the composite propeller blade is urgently needed, so that the problem which always puzzles the technical personnel in the field in the prior art is solved.
Disclosure of Invention
The invention aims to provide a special grinding machine for grinding the shaft diameter of a composite propeller blade, which has the advantages of simple operation, simple structure, good reliability and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a special grinding machine of grinding combined material screw blade shaft diameter, includes omnipotent cylindrical grinder lathe bed of MQ1350A type, motor, its characterized in that: the turning radius of the special grinding machine for grinding the shaft diameter of the composite propeller blade is increased from 250mm to 400mm, and the special grinding machine comprises a headstock box body, a tailstock box body, a headstock main shaft, a tailstock main shaft, a headstock and tailstock synchronous linkage device and a propeller blade clamping device,
the headstock gear belt pulley I is connected with the headstock gear belt pulley II through a gear belt III, the headstock gear belt pulley II is coaxially arranged on the left side of the headstock box with a headstock eccentric shaft and the headstock gear belt pulley III, the headstock gear belt pulley III is connected with the headstock gear belt pulley IV through the gear belt II, and the headstock gear belt pulley IV is arranged on the left end part of a headstock main shaft;
the right end of the headstock main shaft is fixedly connected with the propeller blade clamping device through a headstock connecting flange;
the head-tail frame synchronous linkage device consists of a head frame toothed belt wheel VI, a toothed belt I, a head frame tensioning wheel, a head frame toothed belt wheel V, a left polished rod, a polished rod coupler, a right polished rod, a tail frame toothed belt wheel III, a tail frame toothed belt wheel II, a tail frame tensioning wheel, a tail frame toothed belt and a tail frame toothed belt wheel I;
the headstock toothed belt wheel IV and the headstock toothed belt wheel VI are coaxially arranged at the left end part of the headstock main shaft, the headstock toothed belt wheel VI is connected with the headstock toothed belt wheel V through a toothed belt I and a headstock tensioning wheel, the headstock toothed belt pulley V is arranged at the left end of a left feed bar, the left feed bar is connected with a right feed bar through a feed bar coupler, a tailstock toothed belt wheel III is arranged at the right end of the right polished rod and is connected with the tailstock toothed belt wheel I through a tailstock toothed belt wheel II, a tailstock tensioning wheel and a tailstock toothed belt, the tailstock toothed belt wheel I is arranged at the right end of a tailstock main shaft, the tailstock main shaft is arranged in the tailstock box body, the tailstock box body is arranged at the rear end of the bed body, the left end of the tailstock main shaft is fixedly connected with the tailstock chuck, the grinding machine grinding head mechanism is arranged on the rear side of the tailstock chuck, and the main working part of the grinding machine grinding head mechanism is a grinding wheel.
Further preferably, the headstock spindle and the tailstock spindle rotate synchronously at the same speed.
Further preferably, the propeller blade clamping device is provided with a counterweight adjustment device.
The invention has the beneficial effects that:
when the special grinding machine for grinding the shaft diameter of the composite propeller blade is used, the blade part of the composite propeller blade is connected with the propeller blade clamping device, and the propeller blade clamping device is provided with the balance weight adjusting device which has the function of preventing unbalanced vibration in the grinding process; the propeller blade clamping device is connected with the headstock connecting flange through bolts, and the headstock connecting flange is connected with the headstock main shaft; the power of the headstock main shaft is transmitted to the tailstock main shaft through the headstock and tailstock synchronous linkage device, so that the headstock main shaft and the tailstock main shaft rotate simultaneously, the position of the blade is not subjected to torque when the shaft diameter of the composite propeller blade is ground, and the blade is prevented from being damaged. The designed headstock box body and the tailstock box body lift the turning radius of the grinding machine from 250mm to 400mm, and the fact that the turning of the maximum diameter part of the blade does not interfere with a machine tool is guaranteed.
Drawings
Fig. 1 is a front view of the special grinder for grinding the shaft diameter of the composite propeller blade of the invention.
Fig. 2 is a right side view of the special grinding machine for grinding the shaft diameter of the composite material propeller blade of the invention.
Fig. 3 is a left side view of the special grinder for grinding the shaft diameter of the composite propeller blade of the present invention.
In the figure: 1. a motor; 2. a headstock box body; 3. a headstock spindle; 4. a left polished bar; 5. a headstock connecting flange; 6. a counterweight adjustment device; 7. the propeller blade clamping device 8 is connected with the polished rod coupler; 9. a composite propeller blade; 10. a grinding wheel; 11. a tailstock chuck; 12. a tailstock box body; 13. a tailstock main shaft; 14. a headstock toothed belt wheel I; 15. a headstock toothed belt pulley II; 16. a headstock toothed belt pulley III; 17. a headstock eccentric shaft; 18. a headstock toothed belt pulley IV; 19. a headstock toothed belt pulley VI; 20. a headstock tensioning wheel; 21. a headstock toothed belt pulley V; 22. a headstock toothed belt I; 23. a headstock toothed belt II; 24. a headstock toothed belt III; 25. a tailstock toothed belt wheel I; 26. a tailstock toothed belt wheel II; 27. a tail frame tensioning wheel; 28. a tailstock toothed belt; 29. a tailstock toothed belt wheel III; 30. a MQ1350A universal cylindrical grinder body; 31. MQ1350A universal cylindrical grinder grinding head mechanism; 32. and (4) a right polished bar.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, 2 and 3, the present embodiment includes a MQ1350A type universal cylindrical grinder bed 30, a motor 1, a headstock body 2, a tailstock body 12, a headstock spindle 3, a tailstock spindle 13, a headstock-tailstock synchronous linkage device, a propeller blade clamping device 7,
the headstock box body 2 is arranged at the front end of an MQ1350A type universal cylindrical grinder body 30, the motor 1 is fixedly arranged on the upper side of the headstock box body 2 through a bolt assembly, an output shaft of the motor 1 is connected with a headstock toothed belt wheel I14 through a key, the headstock toothed belt wheel I14 is connected with a headstock toothed belt wheel II 15 through a headstock toothed belt III 25, the headstock toothed belt wheel II 15, a headstock eccentric shaft 17 and a headstock toothed belt wheel III 16 are coaxially arranged on the left side of the headstock box body 2, the headstock toothed belt wheel III 16 is connected with a headstock toothed belt wheel IV 18 through a headstock toothed belt II 23, and the headstock toothed belt wheel IV 18 is connected with the left end part of;
the right end of the headstock main shaft 3 is fixedly connected with a propeller blade clamping device 7 through a headstock connecting flange 5, and a balance weight adjusting device 6 is arranged on the propeller blade clamping device 7 and is used for preventing unbalanced vibration in the grinding process;
the head-tail frame synchronous linkage device consists of a head frame toothed belt wheel VI 19, a head frame toothed belt I22, a head frame tension wheel 20, a head frame toothed belt wheel V21, a left polished rod 4, a polished rod coupler 8, a right polished rod 32, a tail frame toothed belt wheel III 29, a tail frame toothed belt wheel II 26, a tail frame tension wheel 27, a tail frame toothed belt 28 and a tail frame toothed belt wheel I25;
a headstock toothed belt wheel IV 18 and a headstock toothed belt wheel VI 19 are coaxially arranged at the left end part of a headstock spindle 3, the headstock toothed belt wheel VI 19 is connected with a headstock toothed belt wheel V21 through a headstock toothed belt I22 and a headstock tensioning wheel 20, the headstock toothed belt wheel V21 is fixedly arranged at the left end of a left polished rod 4, the right end of the left polished rod 4 is connected with a right polished rod 32 through a polished rod coupler 8, a tailstock toothed belt wheel III 29 is arranged at the right end of the right polished rod 32, the tailstock toothed belt wheel III 29 is connected with a tailstock toothed belt wheel I25 through a tailstock toothed belt wheel II 26, a tailstock tensioning wheel 27 and a tailstock toothed belt 28, the tailstock toothed belt wheel I25 is arranged at the right end of a tailstock spindle 13, the tailstock spindle 13 is arranged inside a tailstock box body 12, the tailstock box body 12 is arranged at the rear end of an MQ1350A type universal cylindrical grinder lathe bed 30 through a bolt assembly, the left end of the tailstock spindle 13 is fixedly connected with, the rear side of the tailstock chuck 11 is provided with an MQ1350A type universal cylindrical grinding machine grinding head mechanism 31, and the main working part of the MQ1350A type universal cylindrical grinding machine grinding head mechanism 31 is a grinding wheel 10.
When the special grinding machine for grinding the shaft diameter of the composite material propeller blade is used, the blade part of the composite material propeller blade is connected with a propeller blade clamping device 7, the propeller blade clamping device 7 is connected with a headstock connecting flange 5 through bolts, and the headstock connecting flange 5 is connected with a headstock main shaft 3; the motive power of the headstock main shaft 3 is transmitted to the tailstock main shaft 13 through the headstock and tailstock synchronous linkage device, so that the headstock main shaft 3 and the tailstock main shaft 13 synchronously rotate at the same speed at the same time, the position of the blade is not subjected to torque when the shaft diameter of the composite material propeller blade is ground, and the blade is prevented from being damaged. The designed headstock box 12 and tailstock box 12 lift the turning radius of the grinding machine from 250mm to 400mm, and the turning of the maximum diameter part of the blade is ensured not to interfere with a machine tool.
The embodiment is only an illustration of the concept and implementation of the present invention, and is not a limitation, and technical solutions without substantial changes are still within the protection scope under the inventive concept.

Claims (3)

1. The utility model provides a special grinding machine of grinding combined material screw blade shaft diameter, includes omnipotent cylindrical grinder lathe bed of MQ1350A type, motor, its characterized in that: the turning radius of the special grinding machine for grinding the shaft diameter of the composite propeller blade is increased from 250mm to 400mm, and the special grinding machine comprises a headstock box body, a tailstock box body, a headstock main shaft, a tailstock main shaft, a headstock and tailstock synchronous linkage device and a propeller blade clamping device,
the headstock gear belt pulley I is connected with the headstock gear belt pulley II through a gear belt III, the headstock gear belt pulley II is coaxially arranged on the left side of the headstock box with a headstock eccentric shaft and the headstock gear belt pulley III, the headstock gear belt pulley III is connected with the headstock gear belt pulley IV through the gear belt II, and the headstock gear belt pulley IV is arranged on the left end part of a headstock main shaft;
the right end of the headstock main shaft is fixedly connected with the propeller blade clamping device through a headstock connecting flange;
the head-tail frame synchronous linkage device consists of a head frame toothed belt wheel VI, a toothed belt I, a head frame tensioning wheel, a head frame toothed belt wheel V, a left polished rod, a polished rod coupler, a right polished rod, a tail frame toothed belt wheel III, a tail frame toothed belt wheel II, a tail frame tensioning wheel, a tail frame toothed belt and a tail frame toothed belt wheel I;
the headstock toothed belt wheel IV and the headstock toothed belt wheel VI are coaxially arranged at the left end part of the headstock main shaft, the headstock toothed belt wheel VI is connected with the headstock toothed belt wheel V through a toothed belt I and a headstock tensioning wheel, the headstock toothed belt pulley V is arranged at the left end of a left feed bar, the left feed bar is connected with a right feed bar through a feed bar coupler, a tailstock toothed belt wheel III is arranged at the right end of the right polished rod and is connected with the tailstock toothed belt wheel I through a tailstock toothed belt wheel II, a tailstock tensioning wheel and a tailstock toothed belt, the tailstock toothed belt wheel I is arranged at the right end of a tailstock main shaft, the tailstock main shaft is arranged in the tailstock box body, the tailstock box body is arranged at the rear end of the bed body, the left end of the tailstock main shaft is fixedly connected with the tailstock chuck, the grinding machine grinding head mechanism is arranged on the rear side of the tailstock chuck, and the main working part of the grinding machine grinding head mechanism is a grinding wheel.
2. The special grinding machine for grinding the shaft diameter of the composite material propeller blade as claimed in claim 1, wherein: the headstock main shaft and the tailstock main shaft synchronously rotate at the same speed.
3. The special grinding machine for grinding the shaft diameter of the composite material propeller blade as claimed in claim 1, wherein: and a balance weight adjusting device is arranged on the propeller blade clamping device.
CN201911359673.5A 2019-12-25 2019-12-25 Special grinding machine for grinding shaft diameter of composite propeller blade Pending CN111002120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911359673.5A CN111002120A (en) 2019-12-25 2019-12-25 Special grinding machine for grinding shaft diameter of composite propeller blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911359673.5A CN111002120A (en) 2019-12-25 2019-12-25 Special grinding machine for grinding shaft diameter of composite propeller blade

Publications (1)

Publication Number Publication Date
CN111002120A true CN111002120A (en) 2020-04-14

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ID=70118482

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911359673.5A Pending CN111002120A (en) 2019-12-25 2019-12-25 Special grinding machine for grinding shaft diameter of composite propeller blade

Country Status (1)

Country Link
CN (1) CN111002120A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3685776B2 (en) * 2002-07-16 2005-08-24 川崎重工業株式会社 Large workpiece automatic finishing method and apparatus
CN101234480A (en) * 2007-01-31 2008-08-06 扬州大学 Turbine blade digital control abrasive belt grinding machine and operating method thereof
CN202360689U (en) * 2011-11-22 2012-08-01 成都海科机械设备制造有限公司 Synchronous transmission mechanism
CN104354029A (en) * 2014-10-29 2015-02-18 北京机电院机床有限公司 Five-axis linkage blade processing machine tool with automatic workpiece clamping function and clamping method of five-axis linkage blade processing machine tool
CN204487293U (en) * 2014-05-06 2015-07-22 重庆泽齐传动机械有限公司 Cylindrical grinder
CN206009851U (en) * 2016-08-30 2017-03-15 重庆佳利德汽车部件有限公司 A kind of numerically controlled lathe
CN106826403A (en) * 2016-12-19 2017-06-13 南京铁道职业技术学院 A kind of automatic fine grinding device in shaft-like workpiece outer surface
CN208153649U (en) * 2018-04-10 2018-11-27 惠州市华耀电子科技有限公司 A kind of multi-axial Simultaneous transmission device
CN208826194U (en) * 2018-06-22 2019-05-07 哈挺精密机械(嘉兴)有限公司 The close-coupled head frame of cylindrical grinder

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3685776B2 (en) * 2002-07-16 2005-08-24 川崎重工業株式会社 Large workpiece automatic finishing method and apparatus
CN101234480A (en) * 2007-01-31 2008-08-06 扬州大学 Turbine blade digital control abrasive belt grinding machine and operating method thereof
CN202360689U (en) * 2011-11-22 2012-08-01 成都海科机械设备制造有限公司 Synchronous transmission mechanism
CN204487293U (en) * 2014-05-06 2015-07-22 重庆泽齐传动机械有限公司 Cylindrical grinder
CN104354029A (en) * 2014-10-29 2015-02-18 北京机电院机床有限公司 Five-axis linkage blade processing machine tool with automatic workpiece clamping function and clamping method of five-axis linkage blade processing machine tool
CN206009851U (en) * 2016-08-30 2017-03-15 重庆佳利德汽车部件有限公司 A kind of numerically controlled lathe
CN106826403A (en) * 2016-12-19 2017-06-13 南京铁道职业技术学院 A kind of automatic fine grinding device in shaft-like workpiece outer surface
CN208153649U (en) * 2018-04-10 2018-11-27 惠州市华耀电子科技有限公司 A kind of multi-axial Simultaneous transmission device
CN208826194U (en) * 2018-06-22 2019-05-07 哈挺精密机械(嘉兴)有限公司 The close-coupled head frame of cylindrical grinder

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Application publication date: 20200414