CN201900279U - Thermal elongation treating structure of spindle - Google Patents

Thermal elongation treating structure of spindle Download PDF

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Publication number
CN201900279U
CN201900279U CN2010206864495U CN201020686449U CN201900279U CN 201900279 U CN201900279 U CN 201900279U CN 2010206864495 U CN2010206864495 U CN 2010206864495U CN 201020686449 U CN201020686449 U CN 201020686449U CN 201900279 U CN201900279 U CN 201900279U
Authority
CN
China
Prior art keywords
bearing
spindle
thermal elongation
locking nut
core
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.)
Expired - Lifetime
Application number
CN2010206864495U
Other languages
Chinese (zh)
Inventor
汤秀清
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.)
Guangzhou Haozhi Electromechanical Co Ltd
Original Assignee
Guangzhou Haozhi Electromechanical 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 Guangzhou Haozhi Electromechanical Co Ltd filed Critical Guangzhou Haozhi Electromechanical Co Ltd
Priority to CN2010206864495U priority Critical patent/CN201900279U/en
Application granted granted Critical
Publication of CN201900279U publication Critical patent/CN201900279U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a thermal elongation treating structure of a spindle, particularly a spindle core thermal elongation treating assembly structure used for a ball high-speed electric spindle of a machine tool. In the thermal elongation treating structure, a steel ball bush (2) is arranged at the contact part of the outer wall of a bearing block (1) and the inner wall of a machine body (4); a spindle core step (5) is arranged at the lower part of a spindle core (3) and abutted against the upper surface of a lower bearing (6); a bearing outer ring locking nut (7) is arranged between the lower end surface of the lower bearing (6) and the lower part of the spindle core (3); and a bearing inner ring locking nut (8) is arranged at the lower part of the bearing outer ring locking nut (7). By using the thermal elongation treating structure, the service life of the spindle core can be prolonged, the deformation of the spindle core can be prevented, the service life of the bearing can be prolonged and the cost is reduced; and the thermal elongation treating structure is convenient for popularization and application.

Description

Structure is handled in a kind of thermal stretching of main shaft
Technical field
The utility model relates to a kind of machining equipment, specifically a kind ofly is used for the axle core thermal stretching processing components structure that mechanical processing machine ball high-speed electric main shaft uses.
Background technology
In the prior art, the situation of thermal stretching can take place because of the high speed rotation in the axle core that main shaft is used, and the appearance of this situation often causes a core distortion, makes bearing damage easily, and the main shaft cisco unity malfunction.
Summary of the invention
The utility model relates to a kind of thermal stretching of main shaft and handles structure, and it can prolong the service life of a core, stops the distortion of axle core, prolongs bearing service life, reduces cost, and is convenient to promote and use.
The utility model technical solution is in existing bearing seat (1), axle core (3), on the basis of body (4) lower bearing (6), the utility model is provided with steel ball sleeve (2) particularly in bearing block (1) outer wall and body (4) inwall touching position, the upper surface that the bottom of axle core (3) is provided with a core step (5) and lower bearing (6) offsets, be provided with bearing outer ring locking nut (7) between the lower surface of lower bearing (6) and axle core (3) bottom, bearing outer ring locking nut (7) bottom is bearing inner race locking nut (8).
The utility model operation principle is that bearing outer ring locking nut (7) is threaded with body (4) and bearing inner race locking nut (8) is threaded with axle core (3), make lower bearing (6) be fixed in the body place, when axle core (3) rotation, when energising produces thermal stretching, axle core step (5) is located to be subjected to lower bearing (6) and is hindered, thereby cause a core (3) and bearing block (1) integral body to move up, because the existing of steel ball sleeve (2) (steel ball sleeve is very little with the body friction), thereby solved core (3) thermal stretching problem that moves up.
Advantage of the present utility model is:
1. this structure can prolong the life-span of a core, has avoided thermal stretching to be subjected to resistance and produced a core being out of shape;
2. this structure can prolong the life-span of bearing;
3. that rotating shaft is worked together is more flexible for this structure.
Description of drawings
Fig. 1 is a profile construction schematic diagram of the present utility model.
The specific embodiment
According to shown in Figure 1, the utility model is at existing bearing seat 1, axle core 3, on the basis of body 4 lower bearings 6, bearing block 1 outer wall and body 4 inwall touching positions are provided with steel ball sleeve 2, the upper surface that the bottom of axle core 3 is provided with a core step 5 and lower bearing 6 offsets, and is provided with bearing outer ring locking nut 7 between the lower surface of lower bearing 6 and axle core 3 bottoms, and bearing outer ring locking nut 7 bottoms are bearing inner race locking nut 8.

Claims (1)

1. structure is handled in the thermal stretching of a main shaft, it has comprised bearing block (1), axle core (3), body (4) lower bearing (6), it is characterized in that bearing block (1) outer wall and body (4) inwall touching position are provided with steel ball sleeve (2), the upper surface that the bottom of axle core (3) is provided with a core step (5) and lower bearing (6) offsets, be provided with bearing outer ring locking nut (7) between the lower surface of lower bearing (6) and axle core (3) bottom, bearing outer ring locking nut (7) bottom is bearing inner race locking nut (8).
CN2010206864495U 2010-12-29 2010-12-29 Thermal elongation treating structure of spindle Expired - Lifetime CN201900279U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206864495U CN201900279U (en) 2010-12-29 2010-12-29 Thermal elongation treating structure of spindle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206864495U CN201900279U (en) 2010-12-29 2010-12-29 Thermal elongation treating structure of spindle

Publications (1)

Publication Number Publication Date
CN201900279U true CN201900279U (en) 2011-07-20

Family

ID=44270882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206864495U Expired - Lifetime CN201900279U (en) 2010-12-29 2010-12-29 Thermal elongation treating structure of spindle

Country Status (1)

Country Link
CN (1) CN201900279U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102366845A (en) * 2011-10-12 2012-03-07 宁波市鄞州泰盛数控设备有限公司 Gear processing machine
CN102489728A (en) * 2011-12-16 2012-06-13 江苏新瑞重工科技有限公司 Floating retainer structure on tail of spindle
CN109773590A (en) * 2018-12-19 2019-05-21 广州市昊志机电股份有限公司 A kind of collocation structure of spindle thermal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102366845A (en) * 2011-10-12 2012-03-07 宁波市鄞州泰盛数控设备有限公司 Gear processing machine
CN102366845B (en) * 2011-10-12 2013-11-27 宁波市鄞州泰盛数控设备有限公司 Gear processing machine
CN102489728A (en) * 2011-12-16 2012-06-13 江苏新瑞重工科技有限公司 Floating retainer structure on tail of spindle
CN109773590A (en) * 2018-12-19 2019-05-21 广州市昊志机电股份有限公司 A kind of collocation structure of spindle thermal
CN109773590B (en) * 2018-12-19 2021-03-09 广州市昊志机电股份有限公司 Compensation structure for thermal elongation of main shaft

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: GUANGZHOU HAOZHI ELECTROMECHANICAL SHARES CO., LTD

Free format text: FORMER NAME: GUANGZHOU HAOZHI ELECTROMECHANICAL CO., LTD.

CP03 Change of name, title or address

Address after: 511356 No. 6 Jiangdong Street, Yonghe Economic Zone, Guangzhou economic and Technological Development Zone, Guangdong

Patentee after: Guangzhou Haozhi Industrial Co., Ltd.

Address before: 510670 301C, main building, No. 111, science Avenue, Guangzhou hi tech Industrial Development Zone, Guangzhou, Guangdong

Patentee before: Guangzhou Haozhi Electromechanical Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110720