CN104439295A - High-speed and accurate spindle device of machine tool - Google Patents

High-speed and accurate spindle device of machine tool Download PDF

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Publication number
CN104439295A
CN104439295A CN201310220068.6A CN201310220068A CN104439295A CN 104439295 A CN104439295 A CN 104439295A CN 201310220068 A CN201310220068 A CN 201310220068A CN 104439295 A CN104439295 A CN 104439295A
Authority
CN
China
Prior art keywords
main shaft
spindle box
spindle
described main
machine tool
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
CN201310220068.6A
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Chinese (zh)
Inventor
李如强
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.)
SHANDONG ZHENGHAO MECHANICAL EQUIPMENT Co Ltd
Original Assignee
SHANDONG ZHENGHAO MECHANICAL EQUIPMENT 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 SHANDONG ZHENGHAO MECHANICAL EQUIPMENT Co Ltd filed Critical SHANDONG ZHENGHAO MECHANICAL EQUIPMENT Co Ltd
Priority to CN201310220068.6A priority Critical patent/CN104439295A/en
Publication of CN104439295A publication Critical patent/CN104439295A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/70Stationary or movable members for carrying working-spindles for attachment of tools or work

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The invention discloses a high-speed and accurate spindle device of a machine tool. The high-speed and accurate spindle device of the machine tool comprises a spindle box and a spindle, wherein the spindle is arranged in and penetrates through the spindle box, a reinforced separating plate is arranged in the spindle box, and a spindle penetrating hole is formed in the reinforced separating plate; one end of the spindle is fixed on the rear wall of the spindle box, and the other end of the spindle extends out of the front wall of the spindle box after penetrating through the spindle penetrating hole; supporting rotation devices are arranged between the spindle and the front wall of the spindle box and between the spindle and the rear wall of the spindle box respectively, the spindle is connected with an electric motor through a belt pulley, and a lubricating oil supply device is further arranged on the spindle. The high-speed and accurate spindle device of the machine tool is simple in structure, compact in size and light in weight, the production and machining cost is reduced, thermal deformation is uniform, the spindle is prevented from skewing, the self-lubrication effect is good, machining accuracy is improved, machining efficiency is improved, various kinds of accuracy in the machining process are guaranteed, and the service life is long.

Description

The accurate main shaft device of machine tool high speed
technical field
The present invention relates to a kind of machine tool technology field, particularly relate to a kind of main shaft device of lathe.
Background technology
Lathe is generally divided into Metal Cutting Machine Tool, forging machine tool and wood craft machines etc.Generally all finally need process by the method for cutting on lathe adding the higher machine components of required precision in modern mechanical manufacturing, therefore lathe plays significant role in the construction of national economic modernization.Main shaft device is used for driving workpiece or cutter to rotate as an important component part of lathe, and the kinematic accuracy of main shaft device and the rigidity of structure directly affect crudy and stock-removing efficiency.There is following shortcoming in the main shaft device of traditional machine tool: main spindle box is for loaded down with trivial details heaviness bearing machining, and rapidoprint is many, beat on radial and axial large, and mismachining tolerance is large, affects the running accuracy of main shaft device when main shaft rotates; Heat radiation, lubricant effect is not good, and maximum speed is restricted, and have impact on the velocity adaptive of main shaft device.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of structure, build small volume and less weight, reduce production and processing cost, thermal deformation is even, self-lubricate is effective, improves machining accuracy, improves working (machining) efficiency, ensure every precision in process, the accurate main shaft device of machine tool high speed of long service life.
For solving the problems of the technologies described above, technical scheme of the present invention is: the accurate main shaft device of machine tool high speed, comprise main spindle box and be arranged in the main shaft in described main spindle box, reinforcement dividing plate is provided with in described main spindle box, described reinforcement dividing plate is provided with main shaft passing hole, described main shaft one end is fixed on the rear wall of described main spindle box, the described main shaft other end is through the antetheca stretching out described main spindle box after described main shaft passing hole, the antetheca of described main shaft and described main spindle box, supporting rotating device is respectively equipped with between rear wall, described main shaft is connected with motor by belt pulley, described main shaft is also provided with oil feeding device.
As preferred technical scheme, described oil feeding device comprise described main shaft is set with scrape food tray, scrape food tray bottom described in described main spindle box and be provided with lubricating oil container, described in scrape food tray and sink in described lubricating oil container.
As the improvement to technique scheme, described in scrape food tray card be provided with screw thread.
As the further improvement to technique scheme, described main spindle box is provided with the fin expanding distribution.
As the further improvement to technique scheme, described supporting rotating device comprises bearing, and described bearing inner ring match grinding, described main spindle box joins boring by described outer race.
As improving especially further technique scheme, described bearing is thrust bearing.
As improving especially further technique scheme, described main spindle box is provided with some reinforcements.
As improving especially further technique scheme, described reinforcement dividing plate is by the inner chamber symmetry division of described main spindle box.
As improving especially further technique scheme, the bottom of described reinforcement dividing plate and described main spindle box is provided with intercommunicating pore.
Owing to have employed technique scheme, the accurate main shaft device of machine tool high speed, comprise main spindle box and be arranged in the main shaft in described main spindle box, reinforcement dividing plate is provided with in described main spindle box, described reinforcement dividing plate is provided with main shaft passing hole, described main shaft one end is fixed on the rear wall of described main spindle box, the described main shaft other end is through the antetheca stretching out described main spindle box after described main shaft passing hole, the antetheca of described main shaft and described main spindle box, supporting rotating device is respectively equipped with between rear wall, described main shaft is connected with motor by belt pulley, described main shaft is also provided with oil feeding device.Adopt the form of single main shaft to replace the form of tradition many main shafts, structure is by numerous change letter, and the corresponding adjustment of described main spindle box, alleviates weight, has saved material, and assembling is simple; Described reinforcement dividing plate enhances the rigidity of described main spindle box, and makes thermal deformation even, avoids described main shaft to produce skew, beats, improve machining accuracy and running accuracy when preventing described main shaft from rotating on radial and axial; Described supporting rotating device effectively improves the precision of described main shaft and enhances the rigidity of described main shaft; Described main shaft is connected with motor by belt pulley, and the mode adopting above-mentioned motor directly to drive described main shaft to rotate, decreases mechanically operated power attenuation, ensure that to start fast, reposefully, stop; The self-lubricate in described main shaft rotary course of described oil feeding device, even if make described main shaft long-term work also can keep the relatively stable of every precision.Structure of the present invention is simple, and build small volume and less weight, reduces production and processing cost, and thermal deformation is even, and self-lubricate is effective, improves machining accuracy, improves working (machining) efficiency, ensure that every precision in process, long service life.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the front view of the embodiment of the present invention;
Fig. 3 is the top view of the embodiment of the present invention.
In figure: 1-main shaft; 2-main spindle box; 3-strengthens dividing plate; 4-scrapes food tray; 5-screw thread; 6-supporting rotating device; 7-reinforcement.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As Fig. 1, shown in Fig. 2 and Fig. 3, the accurate main shaft device of machine tool high speed, the main shaft 1 comprising main spindle box 2 and be arranged in described main spindle box 2, be provided with in described main spindle box 2 and strengthen dividing plate 3, described reinforcement dividing plate 3 is provided with main shaft passing hole, described main shaft 1 one end is fixed on the rear wall of described main spindle box 2, described main shaft 1 other end is through the antetheca stretching out described main spindle box 2 after described main shaft passing hole, the antetheca of described main shaft 1 and described main spindle box 2, supporting rotating device 6 is respectively equipped with between rear wall, described main shaft 1 is connected with motor by belt pulley, described main shaft 1 is also provided with oil feeding device.Adopt the form of single main shaft to replace the form of tradition many main shafts, structure is by numerous change letter, and the corresponding adjustment of described main spindle box 2, alleviates weight, saved material, and assembling is simple; Described reinforcement dividing plate 3 enhances the rigidity of described main spindle box 2, and makes thermal deformation even, avoids described main shaft 1 to produce skew, beats, improve machining accuracy and running accuracy when preventing described main shaft 1 from rotating on radial and axial; Described supporting rotating device 6 effectively improves the precision of described main shaft 1 and enhances the rigidity of described main shaft 1; Described main shaft 1 is connected with motor by belt pulley, and the mode adopting above-mentioned motor directly to drive described main shaft 1 to rotate, decreases mechanically operated power attenuation, ensure that to start fast, reposefully, stop; The self-lubricate in described main shaft 1 rotary course of described oil feeding device, even if make the long-term work of described main shaft 1 also can keep the relatively stable of every precision.The present embodiment structure is simple, and build small volume and less weight, reduces production and processing cost, and thermal deformation is even, and self-lubricate is effective, improves machining accuracy, improves working (machining) efficiency, ensure that every precision in process, long service life.
What described oil feeding device to comprise on described main shaft 1 suit scrapes food tray 4, scrapes food tray 4 bottom and be provided with lubricating oil container described in described main spindle box 2, described in scrape food tray 4 and sink in described lubricating oil container, described lubricating oil container is not shown.Described card of scraping food tray 4 is provided with screw thread 5.Lubricating oil is loaded with in described lubricating oil container, scrape food tray 4 described in driving when described main shaft 1 rotates to rotate, describedly scrape the residual adhesion that food tray 4 sinks in described lubricating oil container and have lubricating oil, lubricating oil along with described rotation of scraping food tray 4 be thrown out of after fall on described main shaft 1, for main shaft 1 provides lubricating oil, achieve self-lubricated function, even if make the long-term work of described main shaft 1 also can keep the relatively stable of every precision, extend service life.Scrape the lubricating oil that food tray 4 adhesion is enough described in described screw thread 5 ensures, ensure the abundant supply of lubricating oil.
Described main spindle box 2 is provided with the fin expanding distribution.On the sidewall that fin can be arranged on described main spindle box 2 or bottom, not shown.Reduce the thermal deformation of lathe, make described main shaft 1 middle the produced heat that runs up fully and promptly can be diffused into outside.
Described supporting rotating device 6 comprises bearing, described bearing inner ring match grinding, and described main spindle box 2 joins boring by described outer race.Adopt while said structure and pretension has been carried out to described bearing, improve the precision of described main shaft 1 and strengthen the rigidity of described main shaft 1.
Described bearing is thrust bearing.Other types bearing is replaced with described thrust bearing.Solve the problem that described main shaft 1 runout tolerance is large in the past, substantially increase machining accuracy.
Described main spindle box 2 is provided with some reinforcements 7.Said structure adds the rigidity of described main spindle box 2.
Described reinforcement dividing plate 3 is by the inner chamber symmetry division of described main spindle box 2.The bottom of described reinforcement dividing plate and described main spindle box is provided with intercommunicating pore.Make the thermal deformation of described main spindle box 2 even, avoid described main shaft 1 center because of the uneven generation skew of thermal deformation.This device after meticulously assembling has the advantages that temperature rise is low, thermal deformation is little, precision is high, keeps machining accuracy for a long time, improves working (machining) efficiency.

Claims (9)

1. the accurate main shaft device of machine tool high speed, comprise main spindle box and be arranged in the main shaft in described main spindle box, it is characterized in that: in described main spindle box, be provided with reinforcement dividing plate, described reinforcement dividing plate is provided with main shaft passing hole, described main shaft one end is fixed on the rear wall of described main spindle box, the described main shaft other end is through the antetheca stretching out described main spindle box after described main shaft passing hole, supporting rotating device is respectively equipped with between the antetheca of described main shaft and described main spindle box, rear wall, described main shaft is connected with motor by belt pulley, and described main shaft is also provided with oil feeding device.
2. the accurate main shaft device of machine tool high speed as claimed in claim 1, it is characterized in that: described oil feeding device comprise described main shaft is set with scrape food tray, scrape food tray bottom described in described main spindle box and be provided with lubricating oil container, described in scrape food tray and sink in described lubricating oil container.
3. the accurate main shaft device of machine tool high speed as claimed in claim 2, is characterized in that: described in scrape food tray card be provided with screw thread.
4. the accurate main shaft device of machine tool high speed as claimed in claim 1, is characterized in that: described main spindle box is provided with the fin expanding distribution.
5. the accurate main shaft device of machine tool high speed as claimed in claim 1, it is characterized in that: described supporting rotating device comprises bearing, described bearing inner ring match grinding, described main spindle box joins boring by described outer race.
6. the accurate main shaft device of machine tool high speed as claimed in claim 5, is characterized in that: described bearing is thrust bearing.
7. the accurate main shaft device of machine tool high speed as described in claim as arbitrary in claim 1 to 6, is characterized in that: described main spindle box is provided with some reinforcements.
8. the accurate main shaft device of machine tool high speed as described in claim as arbitrary in claim 1 to 6, is characterized in that: described reinforcement dividing plate is by the inner chamber symmetry division of described main spindle box.
9. the accurate main shaft device of machine tool high speed as described in claim as arbitrary in claim 1 to 6, is characterized in that: the bottom of described reinforcement dividing plate and described main spindle box is provided with intercommunicating pore.
CN201310220068.6A 2013-06-05 2013-06-05 High-speed and accurate spindle device of machine tool Pending CN104439295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310220068.6A CN104439295A (en) 2013-06-05 2013-06-05 High-speed and accurate spindle device of machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310220068.6A CN104439295A (en) 2013-06-05 2013-06-05 High-speed and accurate spindle device of machine tool

Publications (1)

Publication Number Publication Date
CN104439295A true CN104439295A (en) 2015-03-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310220068.6A Pending CN104439295A (en) 2013-06-05 2013-06-05 High-speed and accurate spindle device of machine tool

Country Status (1)

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CN (1) CN104439295A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108580937A (en) * 2018-07-28 2018-09-28 重庆宏钢数控机床有限公司 Rib water-proof type lathe headstock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108580937A (en) * 2018-07-28 2018-09-28 重庆宏钢数控机床有限公司 Rib water-proof type lathe headstock
CN108580937B (en) * 2018-07-28 2024-03-19 重庆宏钢数控机床有限公司 Waterproof type lathe headstock of rib

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Application publication date: 20150325