CN106217125B - A kind of shaft core cooling structure - Google Patents

A kind of shaft core cooling structure Download PDF

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Publication number
CN106217125B
CN106217125B CN201610831117.3A CN201610831117A CN106217125B CN 106217125 B CN106217125 B CN 106217125B CN 201610831117 A CN201610831117 A CN 201610831117A CN 106217125 B CN106217125 B CN 106217125B
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China
Prior art keywords
shaft core
water
rod assembly
cooling
cooling structure
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CN201610831117.3A
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Chinese (zh)
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CN106217125A (en
Inventor
梁桂转
雷群
汤秀清
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Guangzhou Haozhi Electromechanical Co Ltd
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Guangzhou Haozhi Electromechanical Co Ltd
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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
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126Arrangements for cooling or lubricating parts of the machine for cooling only
    • B23Q11/127Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a kind of shaft core cooling structure, including rotary joint assembly, the axle that spins, rod assembly and shaft core;The shaft core and the rod assembly synchronous rotary;The rotary joint assembly is provided with cooling water inlet and coolant outlet, the rod assembly lateral wall is provided with water inlet and delivery port, and the shaft core cooling structure is provided with and sequentially passes through the rotary joint assembly, the axle that spins, rod assembly from cooling water inlet and coolant outlet respectively and enter aquaporin and exhalant canal with what the water inlet, delivery port connected respectively;The shaft core expert aquaporin, the water-filling passage include up water channel, descending water channel and turn pool;One end of the water-filling passage is connected with water inlet, and the other end is connected with delivery port.The shaft core cooling structure, by setting water-filling passage in shaft core, so that cooling water comes and goes repeatedly in shaft core, reduce shaft core heating problem, avoid the thermal deformation of shaft core, improve the machining accuracy of lathe.

Description

A kind of shaft core cooling structure
Technical field
The present invention relates to field of machine tool equipment, and in particular to a kind of shaft core cooling structure.
Background technology
In the course of the work, main thermal source is from two aspects for electric machine main shaft:On the one hand it is the heating of bearing, on the other hand It is the heating of built-in motor.If the heating of electric machine main shaft is not controlled by, thus caused thermal deformation can seriously reduce lathe Machining accuracy and bearing service life, typical cooling system be using the mode of recirculated water cooling take away main shaft work when produce Raw heat, but because main shaft is closed, regular circulation cooling system can only take away the heat of main shaft periphery, the alignment of shafts Position, that is, the heat of shaft core is difficult to take away, generally there is thermal deformation in shaft core, influence the machining accuracy of lathe.
The content of the invention
For overcome the deficiencies in the prior art, the invention aims to provide a kind of shaft core cooling structure.
The purpose of the present invention is realized using following technical scheme:
A kind of shaft core cooling structure, including rotary joint assembly, the axle that spins, rod assembly and shaft core;The axle that spins Upper end is linked with the rotary joint assembly, and lower end is linked with the rod assembly;The shaft core is socketed on the rod assembly, The shaft core and the rod assembly synchronous rotary;
The rotary joint assembly is provided with cooling water inlet and coolant outlet, and the rod assembly lateral wall is provided with Water inlet and delivery port, the shaft core cooling structure are provided with from cooling water inlet and sequentially pass through the rotary joint assembly, spin Axle, rod assembly and what is connected with the water inlet enter aquaporin, and provided with sequentially passing through the rotation from coolant outlet Adapter assembly, spin axle and rod assembly and the exhalant canal that is connected with the delivery port;
Water-filling passage is provided with the shaft core, the water-filling passage includes some to up water channel, descending water channel and two Turn pool, the up water channel and descending water channel in pairs and are disposed adjacent, two turn pool be respectively arranged at shaft core upper end and Lower end;The pool that turns is provided with some water holes that turn along shaft core axis annular array, it is described turn water hole be used for connect it is two adjacent Up water channel, descending water channel;The upper end turn pool and lower end turn pool turn water hole sequence;The water-filling passage One end is connected with water inlet, and the other end is connected with delivery port.
Preferably, the water inlet with wherein once water-filling road is connected, the delivery port is adjacent with the descending water channel But disconnected up water channel is connected.
Preferably, the shaft core is additionally provided with some horizontal cooling lies parallel with shaft core radial line, the laterally cooling The inner of lie is connected with water-filling passage, and outer end extends to the side wall of the shaft core and sealed by sealing-plug.
Preferably, the shaft core is additionally provided with some longitudinal direction cooling lies with shaft core diameter parallel, the longitudinal direction cooling One end of lie is connected with turning water hole, and the other end extends to the roof of the shaft core or bottom wall and sealed by sealing-plug.
Preferably, it is described turn water hole by be arranged at the shaft core turn tank and with it is described turn tank be tightly connected in Set, which encloses, to be formed.
Preferably, the rotary joint assembly includes anchor tip and rotary sleeve, the axle that spins is connected to described In rotary sleeve, the first flow connected with the cooling water inlet is provided with the axle that spins and is connected with the coolant outlet Logical second flow channel;Third flow channel and the 4th runner, described third flow channel one end and described first are provided with the rod assembly Flow passage, the other end connect with the water inlet;Described 4th runner one end connects with the second flow channel, the other end and institute State delivery port connection.
Preferably, the lower end connection slide cores of the rod assembly;The lower end connection handle of a knife of the shaft core.
Preferably, the up water channel and/or descending water channel are clear opening or spiral through hole.
Compared with prior art, the beneficial effects of the present invention are:
Shaft core cooling structure provided by the invention, by setting water-filling passage in shaft core, so that cooling water is in shaft core It is interior to come and go repeatedly, to carry out effectively cooling down to shaft core, so as to reduce shaft core heating problem, avoid the thermal change of shaft core Shape, improve the machining accuracy of lathe.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is that Fig. 1 turns pool structural representation along A-A ' line sections;
Fig. 3 is that Fig. 1 turns pool structural representation along B-B ' line sections;
Fig. 4 is the partial schematic diagram of Fig. 1 R-portion.
Wherein, each reference:1st, rotary joint assembly;11st, cooling water inlet;12nd, coolant outlet;13rd, fixation connects Head;14th, rotary sleeve;2nd, spin axle;3rd, rod assembly;31st, water inlet;32nd, delivery port;33rd, third flow channel;34th, the 4th stream Road;4th, shaft core;41st, water-filling passage;411st, the first descending water channel;412nd, the first up water channel;413rd, the second descending water channel;414、 Second up water channel;415th, the 3rd descending water channel;416th, the 3rd up water channel;417th, the 4th descending water channel;418th, the 4th is up Water channel;42nd, pool is turned;421st, water hole is turned;422nd, tank is turned;43rd, lie is laterally cooled down;44th, longitudinal direction cooling lie;45th, seal Plug;5th, aquaporin is entered;51st, first flow;52nd, second flow channel;6th, exhalant canal;7th, inner sleeve;8th, slide cores;9th, handle of a knife.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further:
For convenience of statement, " water " in the present invention should be understood to cooling fluid, including but not limited to water, oil, solution etc. It can be used for carrying out cooling material to metal device.
In detailed description below, the temporald eixis word such as described " on ", " under " is construed as the side to accompanying drawing Position instruction.
In specific examples below, " connection " is construed as being available for fluid to flow through, and junction is air-tightness.
The present invention provides a kind of shaft core cooling structure, as shown in figure 1, including rotary joint assembly 1, the axle 2 that spins, pull bar group Part 3 and shaft core 4;The upper end of the axle that spins is linked with the rotary joint assembly, and lower end is linked with the rod assembly;It is described Shaft core is socketed on the rod assembly, the shaft core and the rod assembly synchronous rotary;The shaft core by with rod assembly The modes such as part and rod assembly run-in synchronism are axially and radially located, so as to ensure in shaft core rotation process, shaft core and pull bar Geo-stationary between component;
The rotary joint assembly is provided with cooling water inlet 11 and coolant outlet 12, on the rod assembly lateral wall Provided with water inlet 31 and delivery port 32, the shaft core cooling structure is provided with from cooling water inlet and sequentially passes through the swivel joint group Part, the axle that spins, rod assembly and what is connected with the water inlet enter Aquaporin-5, and provided with being sequentially passed through from coolant outlet The rotary joint assembly, spin axle and rod assembly and the exhalant canal 6 that is connected with the delivery port;
Water-filling passage 41 is provided with the shaft core, the water-filling passage includes some to up water channel, descending water channel and two Individual to turn pool 42, the up water channel and descending water channel in pairs and are disposed adjacent, and two turn pool and are respectively arranged at the upper of shaft core End and lower end;, it is described turn pool be provided with it is some turn water hole 421 along shaft core axis annular array, the water hole that turns is used to connect Two adjacent up water channels, descending water channel;The upper end turn pool and lower end turn pool turn water hole sequence;The row One end of aquaporin is connected with intake tunnel, and the other end is connected with exhalant canal.Turning water hole sequence and should manage herein Solve and be staggered to turn water hole so as to form path roundabout up and down in shaft core.
By setting multipair up water channel, descending water channel and turning pool in upper end, lower end, make cooling along shaft core It is upper and lower repeatedly to come and go flowing, so as to take away the used heat of shaft core rapidly, so as to improve to shaft core cooldown rate, so reduce by In deformation caused by shaft core heating.
Embodiment 1:
A kind of shaft core cooling structure, including rotary joint assembly, the axle that spins, rod assembly and shaft core;As shown in figure 4, institute Stating rotary joint assembly includes anchor tip 13 and rotary sleeve 14, and wherein anchor tip is the fixed part of rotary joint assembly Point, rotary sleeve is the rotatable portion of swivel joint;The axle that spins is connected in the rotary sleeve and and rotary sleeve Linkage, lower end are linked with the rod assembly;The shaft core is socketed on the rod assembly, the shaft core and the rod assembly Synchronous rotary;
The rotary joint assembly is provided with cooling water inlet and coolant outlet, and the rod assembly lateral wall is provided with Water inlet and delivery port, the shaft core cooling structure are provided with from cooling water inlet and sequentially pass through the rotary joint assembly, spin Axle, rod assembly and what is connected with the water inlet enter aquaporin, and provided with sequentially passing through the rotation from coolant outlet Adapter assembly, spin axle and rod assembly and the exhalant canal that is connected with the delivery port;As shown in figure 4, the i.e. described axle that spins It is interior provided with the first flow 51 connected with the cooling water inlet and the second flow channel 52 connected with the coolant outlet;It is described The runner 34 of third flow channel 33 and the 4th is provided with rod assembly, described third flow channel one end connects with the first flow, another End connects with the water inlet;Described 4th runner one end connects with the second flow channel, and the other end connects with the delivery port; It is described enter aquaporin include first flow and third flow channel successively, after cooling water enters from cooling water inlet, flow through first successively Water inlet is arrived at after runner, third flow channel;The exhalant canal includes the 4th runner and second flow channel successively, and cooling medium goes out certainly Discharged after flowing through the 4th runner, second flow channel successively through coolant outlet at the mouth of a river;
Water-filling passage is provided with the shaft core, the water-filling passage includes 4 pairs of up water channels being arranged in pairs and lower water-filling Road, the top and bottom of the shaft core, which are equipped with, turns pool, and the pool that turns is provided with some turns along shaft core axis annular array Water hole, it is described turn water hole be used for connect two adjacent up water channels, descending water channel;The upper end turn pool and lower end turn water Area turns water hole sequence;As shown in Figures 2 and 3, be provided with the shaft core the first descending water channel 411, the first up water channel 412, Second descending water channel 413, the second up water channel 414, the 3rd descending water channel 415, the 3rd up water channel 416, the 4th descending water channel 417th, the 4th up water channel 418;The water inlet is connected with the first descending water channel, the delivery port and the 4th up water channel phase Connection, as shown in Fig. 2 turning water hole provided with four positioned at the pool that turns of shaft core lower end, is respectively communicated with the first descending water channel and first Up water channel, the second descending water channel and the second up water channel, the 3rd descending water channel and the 3rd up water channel, the 4th descending water channel and 4th up water channel;As shown in figure 3, turning water hole at least provided with three positioned at the pool that turns of shaft core upper end, it is respectively communicated with first Water-filling road and the second descending water channel, the second up water channel and the 3rd descending water channel, the 3rd up water channel and the 4th descending water channel;Institute State the first descending water channel with water inlet to be connected, the 4th up water channel is connected with delivery port;
In the present embodiment, the setting of water-filling passage be not limited to make cooling medium get on, get off in shaft core roundabout stream It is dynamic, it can also be and flow first up and then downly.
In the present embodiment, the water hole that turns can be made of one piece or in shaft core with shaft core in casting process The opening of interior cutting turning tank 422 and enclose and form with the inner sleeve 7 for turning tank sealed connection inwardly.
In the present embodiment, further, the shaft core is additionally provided with some horizontal cooling lies 43 parallel with shaft core radial line, The inner of the laterally cooling lie is connected with water-filling passage, and outer end is sealed by sealing-plug 45;Or yet further, it is described Shaft core is additionally provided with some longitudinal direction cooling lies 44 with shaft core diameter parallel, and one end of the longitudinal direction cooling lie is with turning water hole phase Connection, the other end are sealed by sealing-plug.On the one hand the cooling lie can form the heat dissipation channel of stereo structure in shaft core, separately On the one hand the cooling medium in convenient discharge water-filling passage.
In the present embodiment, the shape of cross section of the up water channel and/or descending water channel includes but is not limited to circular, ellipse Shape or rectangle.The up water channel and/or descending water channel can be with the straight-through well format of shaft core diameter parallel or With the spiral through hole of shaft core diameter parallel.
In the present embodiment, the lower end connection slide cores 8 of the rod assembly;The lower end connection handle of a knife 9 of the shaft core.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention Within.

Claims (8)

1. a kind of shaft core cooling structure, it is characterised in that including rotary joint assembly, the axle that spins, rod assembly and shaft core;It is described Upper end and the rotary joint assembly of axle of spinning is linked, and lower end is linked with the rod assembly;The shaft core is socketed on described Rod assembly, the shaft core and the rod assembly synchronous rotary;
The rotary joint assembly is provided with cooling water inlet and coolant outlet, and the rod assembly lateral wall is provided with into water Mouth and delivery port, the shaft core cooling structure are provided with from cooling water inlet and sequentially pass through the rotary joint assembly, the axle that spins, draw Bar assembly and what is connected with the water inlet enter aquaporin, and provided with sequentially passing through the swivel joint group from coolant outlet Part, spin axle and rod assembly and the exhalant canal that is connected with the delivery port;
Water-filling passage is provided with the shaft core, the water-filling passage turns water including some to up water channel, descending water channel and two Area, the up water channel and descending water channel are paired and are disposed adjacent, and two turn the top and bottom that pool is respectively arranged at shaft core; The pool that turns is provided with some water holes that turn along shaft core axis annular array, it is described turn water hole be used for connect two adjacent upper water-fillings Road and descending water channel;The upper end turn pool and lower end turn pool turn water hole sequence;One end of the water-filling passage It is connected with water inlet, the other end is connected with delivery port.
2. shaft core cooling structure according to claim 1, it is characterised in that the water inlet and wherein once water-filling road phase Connection, the delivery port and adjacent with the descending water channel but disconnected up water channel are connected.
3. shaft core cooling structure according to claim 1, it is characterised in that the shaft core is additionally provided with some and shaft core radial line Parallel horizontal cooling lie, the inner of the laterally cooling lie are connected with water-filling passage, and outer end extends to the shaft core Side wall and sealed by sealing-plug.
4. shaft core cooling structure according to claim 1, it is characterised in that the shaft core is additionally provided with some and shaft core axis Parallel longitudinal direction cooling lie, one end of the longitudinal direction cooling lie are connected with turning water hole, and the other end is sealed by sealing-plug.
5. shaft core cooling structure according to claim 1, it is characterised in that the water hole that turns is by being arranged at the shaft core Turn tank and enclose with the inner sleeve for turning tank sealed connection to form.
6. shaft core cooling structure according to claim 1, it is characterised in that the rotary joint assembly includes anchor tip And rotary sleeve, the axle that spins are connected in the rotary sleeve, it is provided with the axle that spins and connects with the cooling water inlet Logical first flow and the second flow channel connected with the coolant outlet;Third flow channel and the 4th are provided with the rod assembly Runner, described third flow channel one end connect with the first flow, and the other end connects with the water inlet;4th runner one End connects with the second flow channel, and the other end connects with the delivery port.
7. shaft core cooling structure according to claim 1, it is characterised in that the lower end connection of the rod assembly is slided Core;The lower end connection handle of a knife of the shaft core.
8. shaft core cooling structure according to claim 1, it is characterised in that the up water channel and/or descending water channel are Clear opening or spiral through hole.
CN201610831117.3A 2016-09-19 2016-09-19 A kind of shaft core cooling structure Active CN106217125B (en)

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CN201610831117.3A CN106217125B (en) 2016-09-19 2016-09-19 A kind of shaft core cooling structure

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108526997B (en) * 2018-06-29 2021-05-11 哈尔滨理工大学 High-speed electric main shaft additional cooling system
CN110558481B (en) * 2019-10-21 2023-02-07 武汉金香园食品有限公司 Fine powder production line
CN117415726A (en) * 2023-09-26 2024-01-19 上海星合机电有限公司 High-speed motorized spindle with internal circulation water cooling structure

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Publication number Priority date Publication date Assignee Title
JP2743287B2 (en) * 1989-08-14 1998-04-22 西部電機株式会社 Tool rest device for lead machining and NC lead machining device using the tool rest device
DE10235069B4 (en) * 2001-07-31 2006-10-26 Franz Kessler Gmbh Machine tool with a spindle device
KR101345866B1 (en) * 2012-05-18 2013-12-30 현대위아 주식회사 Cooling device for headstock of lathe
CN203481979U (en) * 2013-09-18 2014-03-12 宁波安信数控技术有限公司 Cooling structure of motor casing
CN103658691B (en) * 2013-11-20 2016-04-13 广州市昊志机电股份有限公司 A kind of speed electric rolling-ball main shaft
CN104128626A (en) * 2014-07-22 2014-11-05 广州市昊志机电股份有限公司 High-speed motorized spindle with cooling structure
CN104439298B (en) * 2014-11-12 2017-02-15 广州市昊志机电股份有限公司 Improved electric spindle
CN104439300A (en) * 2014-11-12 2015-03-25 广州市昊志机电股份有限公司 Motorized spindle with center water cooling structure
CN206029459U (en) * 2016-09-19 2017-03-22 广州市昊志机电股份有限公司 Axle core cooling structure

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Application publication date: 20161214

Assignee: Science City (Guangzhou) Finance Leasing Co.,Ltd.

Assignor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd.

Contract record no.: X2020980004919

Denomination of invention: A shaft core cooling structure

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