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CN109227249B - Ball screw nut compound grinding device - Google Patents

Ball screw nut compound grinding device Download PDF

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Publication number
CN109227249B
CN109227249B CN201811157845.6A CN201811157845A CN109227249B CN 109227249 B CN109227249 B CN 109227249B CN 201811157845 A CN201811157845 A CN 201811157845A CN 109227249 B CN109227249 B CN 109227249B
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CN
China
Prior art keywords
unit
grinding wheel
wheel shaft
workpiece
internal thread
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.)
Active
Application number
CN201811157845.6A
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Chinese (zh)
Other versions
CN109227249A (en
Inventor
周华
奚健
沈雨
张燕
李艳
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.)
Shanghai Rabbit Cnc Machine Tools Co ltd
Original Assignee
Shanghai Rabbit Cnc Machine Tools 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 Shanghai Rabbit Cnc Machine Tools Co ltd filed Critical Shanghai Rabbit Cnc Machine Tools Co ltd
Priority to CN201811157845.6A priority Critical patent/CN109227249B/en
Publication of CN109227249A publication Critical patent/CN109227249A/en
Application granted granted Critical
Publication of CN109227249B publication Critical patent/CN109227249B/en
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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
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/16Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/36Thread cutting; Automatic machines specially designed therefor by grinding
    • 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
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • 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
    • B24B49/00Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/02Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
    • B24B49/03Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent according to the final size of the previously ground workpiece
    • 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
    • B24B49/00Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/12Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The application discloses a ball screw nut compound grinding device which comprises a lathe bed, wherein a workpiece carriage unit, an outer diameter end face grinding wheel shaft carriage unit, an internal thread grinding wheel shaft carriage unit and an internal thread grinding wheel dressing unit are arranged on the lathe bed; a work driving unit; an outer diameter end face grinding wheel dressing unit; an outer diameter end face grinding wheel shaft unit; an internally threaded grinding wheel shaft unit; the measuring unit is arranged on the internally threaded grinding wheel shaft unit; the workpiece rotary round grating is arranged at the front end of the workpiece driving unit; the workpiece carriage linear grating is arranged at the front end of the workpiece carriage unit. The application has simple structure and convenient operation, integrates the internal thread grinding and the external diameter grinding of the ball screw nut, can shorten all auxiliary time to the shortest in the processing process, greatly reduces the installation coaxiality error of the external diameter and the internal thread of the ball screw nut, greatly improves the production efficiency of a machine tool, and can greatly reduce the production cost.

Description

Ball screw nut compound grinding device
Technical Field
The application relates to a grinding device, in particular to a ball screw nut compound grinding device.
Background
The traditional grinding method for the ball screw nut is mainly characterized in that an independent internal thread grinder is used for grinding the internal thread of the ball screw nut, and then an external cylindrical grinder is replaced for continuously grinding the external diameter and the end face of the ball screw nut.
With the rapid development of the manufacturing industry level and the increase of various artificial land costs in recent years, the demand for composite efficient processing methods is becoming more and more intense, so that the conventional processing devices cannot meet the market demands.
Disclosure of Invention
The application aims to solve the problems, and provides the ball screw nut compound grinding device which has the advantages of optimized structure, improved production efficiency and dimensional accuracy and greatly reduced production cost.
In order to achieve the above purpose, the technical scheme of the application is as follows:
a ball screw nut compound grinding device comprises
The lathe bed is provided with a workpiece carriage unit, an outer diameter end face grinding wheel shaft carriage unit, an internal thread grinding wheel shaft carriage unit and an internal thread grinding wheel trimming unit;
the workpiece driving unit is arranged on the workpiece carriage unit;
the outer diameter end face grinding wheel dressing unit is arranged at the left side of the workpiece driving unit;
the outer diameter end face grinding wheel shaft unit is arranged on the outer diameter end face grinding wheel shaft carriage unit;
the internal thread grinding wheel shaft unit is arranged on the internal thread grinding wheel shaft carriage unit;
the measuring unit is arranged on the internally threaded grinding wheel shaft unit;
the workpiece rotary round grating is arranged at the front end of the workpiece driving unit;
the workpiece carriage linear grating is arranged at the front end of the workpiece carriage unit.
In a preferred embodiment of the present application, the workpiece carriage unit is disposed at a left front side of the bed, the outer diameter end face grinding wheel spindle carriage unit is disposed at a left rear side of the bed, the female screw grinding wheel spindle carriage unit is disposed at a right side of the bed, and the female screw grinding wheel dressing unit is disposed at a middle rear side of the bed.
In a preferred embodiment of the application, the outer diameter face grinding wheel spindle unit and the internally threaded grinding wheel spindle unit are motorized spindles.
The beneficial effects of the application are as follows:
the application has simple structure and convenient operation, integrates the internal thread grinding and the external diameter grinding of the ball screw nut, can shorten all auxiliary time to the shortest in the processing process, greatly reduces the installation coaxiality error of the external diameter and the internal thread of the ball screw nut, greatly improves the production efficiency of a machine tool, and can greatly reduce the production cost.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present application;
fig. 2 is a top view of the present application.
Detailed Description
The application is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the application easy to understand.
Referring to fig. 1 and 2, the ball screw nut compound grinding device provided by the application comprises a lathe bed 1, a workpiece carriage unit 2, a workpiece driving unit 3, an internally threaded grinding wheel shaft carriage unit 4, an internally threaded grinding wheel shaft unit 5, an internally threaded grinding wheel dressing unit 6, a measuring unit 7, an outer diameter end face grinding wheel shaft carriage unit 8, an outer diameter end face grinding wheel shaft unit 9, an outer diameter end face grinding wheel dressing unit 10, a workpiece rotary round grating 11, a workpiece carriage linear grating 12 and a control box.
The lathe bed 1 is an installation base of the application, a workpiece carriage unit 2 is arranged at the left front side of the lathe bed, an outer diameter end face grinding wheel shaft carriage unit 8 is arranged at the left rear side of the lathe bed, an inner thread grinding wheel shaft carriage unit 4 is arranged at the right side of the lathe bed, and an inner thread grinding wheel dressing unit 6 is arranged at the rear side of the lathe bed.
The front end of the workpiece carriage unit 2 is provided with a workpiece carriage linear grating 12, and the workpiece carriage unit 2 specifically adopts a servo motor, a ball screw, a linear guide rail and a linear grating ruler feedback structure, and can move on the lathe bed 1.
The workpiece carriage unit 2 is used for dragging the internal thread grinding wheel shaft carriage unit 4 and the grinding wheel shaft carriage unit 8 with the outer diameter end surface to move on the lathe bed.
The inner thread grinding wheel shaft carriage unit 4 and the outer diameter end surface grinding wheel shaft carriage unit 8 respectively adopt a servo motor, a ball screw and a linear guide rail structure, and the inner thread grinding wheel shaft carriage unit 4 and the outer diameter end surface grinding wheel shaft carriage unit 8 can also respectively move on the lathe bed 1.
The workpiece carriage unit 2 is provided with a workpiece driving unit 3, the front end of the workpiece driving unit 3 is provided with a workpiece rotary circular grating 11, and the workpiece carriage unit 2 specifically adopts a servo motor, a speed reducer and a circular grating ruler feedback structure.
The workpiece driving unit 3 is used for installing a workpiece 13 and is matched with the workpiece carriage unit 2 for interpolation movement.
The workpiece turning round grating 11 is a turning movement position for feeding back the workpiece 13.
And the outer diameter end face grinding wheel finishing unit 10 is arranged on the left side of the workpiece driving unit 3 and is used for realizing outer diameter end face finishing by matching with the movement of the outer diameter end face grinding wheel shaft carriage unit 8 and the workpiece carriage unit 2.
And the outer diameter end face grinding wheel shaft unit 9 is arranged on the outer diameter end face grinding wheel shaft carriage unit 8 and is used for realizing linkage between the outer diameter end face grinding wheel shaft carriage unit 8 and the outer diameter end face grinding wheel dressing unit 10.
The internal thread grinding wheel shaft unit 5 is arranged on the internal thread grinding wheel shaft carriage unit 4 and is used for realizing linkage between the internal thread grinding wheel shaft carriage unit 4 and the internal thread grinding wheel trimming unit 6 and is used for trimming a peach-shaped groove of the workpiece 13.
And a measuring unit 7 arranged on the internally threaded grinding wheel shaft unit 5 and capable of contacting with the positioning surface of the workpiece 13 for automatically measuring the processing starting point of the internal threads of the workpiece 13.
The control box is arranged on the lathe bed 1 and is respectively connected with the workpiece carriage unit 2, the workpiece driving unit 3, the internal thread grinding wheel shaft carriage unit 4, the internal thread grinding wheel shaft unit 5, the internal thread grinding wheel dressing unit 6, the measuring unit 7, the external diameter end surface grinding wheel shaft carriage unit 8, the external diameter end surface grinding wheel shaft unit 9, the external diameter end surface grinding wheel dressing unit 10, the workpiece rotation circular grating 11 and the workpiece carriage linear grating 12, and the control box can respectively control the components to work.
The structure of each unit is not limited to this, and other structures may be adopted as long as the above functions can be achieved.
The following is the working procedure of the application:
when the internal threads of the ball screw nuts need to be ground, the control box can control the grinding wheel shaft carriage unit 8 on the outer diameter end surface to retreat to the rearmost part of the machine tool;
then, the workpiece 13 is mounted on a high-precision chuck on the workpiece driving unit 3;
then the control box controls the workpiece carriage unit 2 and the internally threaded grinding wheel shaft carriage unit 4 to jointly move to a designated position;
then the control box controls the measuring unit 7 to move downwards until the measuring head contacts with the positioning surface of the workpiece 13, and automatically measures the processing starting point of the internal thread, after the measurement is finished, the measuring unit 7 moves upwards to the original position, and the measured information is sent to the control box;
then the control box controls the workpiece carriage unit 2 and the internal thread grinding wheel shaft carriage unit 4 to move to a processing starting point measured by the measuring unit 7, and then internal threads are processed;
when internal threads are machined, the control box can control the workpiece driving unit 3 and the workpiece carriage unit 2 to perform interpolation movement, and the workpiece rotary circular grating 11 and the workpiece carriage linear grating 12 can feed back the rotary movement position and the linear movement position of the workpiece 13 to the control box, so that workers can observe the workpiece in time through the control box, and the machining precision can be greatly improved;
finally, when the internal thread trimming condition is met, the control box controls the internal thread grinding wheel shaft carriage unit 4 to the trimming position, then the control box controls the internal thread grinding wheel trimming unit 6 to trim the peach-shaped groove, after trimming, the control box controls the internal thread grinding wheel shaft carriage unit 4 to return, the internal thread is continuously machined until the machining is finished,
when the end face of the outer diameter of the ball screw nut needs to be ground, the control box can control the working internal thread grinding wheel shaft carriage unit 4 to return to the initial position;
then the control box controls the outer diameter end face grinding wheel shaft carriage unit 8 and the workpiece carriage unit 2 to reach the designated position of the machine tool 1 and process;
and finally, the measuring unit 7 can detect whether the outer diameter grinding wheel finishing conditions are met, and when the conditions are met, the control box can control the outer diameter end face grinding wheel finishing unit 10 to move together with the outer diameter end face grinding wheel shaft carriage unit 8 and the workpiece carriage unit 2 to finish the outer diameter end face.
Through the arrangement of the structure and the matching of the units according to the corresponding working sequence, the application can integrate the internal thread grinding and the external diameter grinding of the ball screw nut, can shorten all auxiliary time to the shortest in the processing process, greatly reduce the mounting coaxiality error of the external diameter and the internal thread of the ball screw nut, greatly improve the production efficiency of a machine tool and greatly reduce the production cost
The foregoing has shown and described the basic principles and main features of the present application and the advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made without departing from the spirit and scope of the application, which is defined in the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.

Claims (1)

1. The ball screw nut compound grinding device is characterized by comprising
The lathe bed is provided with a workpiece carriage unit, an outer diameter end face grinding wheel shaft carriage unit, an internal thread grinding wheel shaft carriage unit and an internal thread grinding wheel trimming unit; the workpiece carriage unit is arranged at the left front side of the lathe bed, the grinding wheel shaft carriage unit with the outer diameter end surface is arranged at the left rear side of the lathe bed, the internal thread grinding wheel shaft carriage unit is arranged at the right side of the lathe bed, and the internal thread grinding wheel trimming unit is arranged at the middle rear side of the lathe bed;
the workpiece driving unit is arranged on the workpiece carriage unit;
the outer diameter end face grinding wheel dressing unit is arranged at the left side of the workpiece driving unit;
the outer diameter end face grinding wheel shaft unit is arranged on the outer diameter end face grinding wheel shaft carriage unit;
the internal thread grinding wheel shaft unit is arranged on the internal thread grinding wheel shaft carriage unit;
the measuring unit is arranged on the internally threaded grinding wheel shaft unit;
the workpiece rotary round grating is arranged at the front end of the workpiece driving unit;
the workpiece carriage linear grating is arranged at the front end of the workpiece carriage unit;
the outer diameter end face grinding wheel shaft unit and the internal thread grinding wheel shaft unit are all motorized spindles.
CN201811157845.6A 2018-09-30 2018-09-30 Ball screw nut compound grinding device Active CN109227249B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811157845.6A CN109227249B (en) 2018-09-30 2018-09-30 Ball screw nut compound grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811157845.6A CN109227249B (en) 2018-09-30 2018-09-30 Ball screw nut compound grinding device

Publications (2)

Publication Number Publication Date
CN109227249A CN109227249A (en) 2019-01-18
CN109227249B true CN109227249B (en) 2023-09-08

Family

ID=65054838

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811157845.6A Active CN109227249B (en) 2018-09-30 2018-09-30 Ball screw nut compound grinding device

Country Status (1)

Country Link
CN (1) CN109227249B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110039133A (en) * 2019-04-30 2019-07-23 上海莱必泰数控机床股份有限公司 A kind of ball-screw external thread grinder
CN112453595A (en) * 2020-11-30 2021-03-09 无锡市科之鑫机械科技有限公司 Internal thread grinding machine for numerical control machining and adjusting method thereof
CN114932270B (en) * 2022-06-24 2023-08-22 浙江亚微精密机床有限公司 Processing method for bonding nut block and screw rod surface

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2178577Y (en) * 1993-07-17 1994-10-05 张家利 Lathe special for compound thread
CN2897542Y (en) * 2005-12-28 2007-05-09 广州市敏嘉制造技术有限公司 Digital-controlled internal screw grinding center
JP2010179444A (en) * 2009-02-09 2010-08-19 Jtekt Corp Grinding machine and grinding method
CN202162643U (en) * 2011-05-20 2012-03-14 重庆恒博机械制造有限公司 A numerical control end face cylindrical grinder machine
CN103350386A (en) * 2013-07-30 2013-10-16 新乡亿威数控设备有限公司 Thrust bearing ring grinding machine
CN205765459U (en) * 2016-06-02 2016-12-07 新乡亿威数控设备有限公司 Numerical control roller external diameter and ball basal plane compound grinding machine
CN207521826U (en) * 2017-11-01 2018-06-22 广州市敏嘉制造技术有限公司 A kind of composite multifunction numerical control screw thread grinding center

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2178577Y (en) * 1993-07-17 1994-10-05 张家利 Lathe special for compound thread
CN2897542Y (en) * 2005-12-28 2007-05-09 广州市敏嘉制造技术有限公司 Digital-controlled internal screw grinding center
JP2010179444A (en) * 2009-02-09 2010-08-19 Jtekt Corp Grinding machine and grinding method
CN202162643U (en) * 2011-05-20 2012-03-14 重庆恒博机械制造有限公司 A numerical control end face cylindrical grinder machine
CN103350386A (en) * 2013-07-30 2013-10-16 新乡亿威数控设备有限公司 Thrust bearing ring grinding machine
CN205765459U (en) * 2016-06-02 2016-12-07 新乡亿威数控设备有限公司 Numerical control roller external diameter and ball basal plane compound grinding machine
CN207521826U (en) * 2017-11-01 2018-06-22 广州市敏嘉制造技术有限公司 A kind of composite multifunction numerical control screw thread grinding center

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Publication number Publication date
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