CN101524774A - Technological method for milling long rack tooth form - Google Patents
Technological method for milling long rack tooth form Download PDFInfo
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- CN101524774A CN101524774A CN200910058642A CN200910058642A CN101524774A CN 101524774 A CN101524774 A CN 101524774A CN 200910058642 A CN200910058642 A CN 200910058642A CN 200910058642 A CN200910058642 A CN 200910058642A CN 101524774 A CN101524774 A CN 101524774A
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Abstract
The invention discloses a technological method for milling long rack tooth form, belonging to the technical filed of rack milling machining technology. The method comprises the following steps of: milling a clamping workpiece and a tooth form to complete the longitudinal travel of a worktable, measuring a relative position between the reference block on the measured workpiece and the reference block on a cutter head base, lengthways moving the integral workpiece along the worktable to a needed position, remilling a cutter, the clamping workpiece and the tooth form to complete the whole tooth form of the rack, etc. The invention has the advantages of low equipment cost and high machining efficiency; and the long rack manufactured by the invention is widely applied to the tracks of lifters and quay transportations, etc.
Description
Technical field
The present invention relates to a kind of technological method for processing of tooth bar, particularly a kind of process that adds section chief's tooth bar.
Background technology
Domestic 2～3 meters long tooth bar milling process that does not have maturation at present.The milling tooth bar can only process less than or etc. and the tooth bar of the vertical haul distance of milling machine.If need processing to be longer than the tooth bar of the vertical haul distance of milling machine, the general method that adopts is to adopt to have the milling machine of longer vertical stroke, but can increase equipment investment cost greatly like this.
Summary of the invention
The process that the purpose of this invention is to provide the milling long rack tooth form exterior feature that a kind of milling is convenient, milling efficiency is high.
Technical scheme of the present invention is: a kind of process of milling long rack tooth form exterior feature comprises following processing step:
A, at least one tooth bar base workpiece installed and by clamp on the workbench of numerical control horizontal milling machine, when tooth bar base workpiece is that two and two are when above, with the termination alignment of the initial processing end of tooth bar base workpiece;
B, startup milling head seat motor, the milling cutter running, the workbench of mobile numerical control horizontal milling machine carries out the profile of tooth Milling Process by the longitudinal pitch of tooth bar base workpiece design flute profile to tooth bar base workpiece, until the vertical stroke processing of the platform of finishing the work;
The workbench of C, decline numerical control horizontal milling machine is clamped on locator on the workpiece and makes between the workpiece position keep relative fixed, measures and record locator and be fastened on relative position between the reference block on the milling head seat;
D, unclamp the anchor clamps of clamping work pieces described in the A step, whole workpiece is vertically moved to an end that is milled into profile of tooth along workbench, move the distance that is less than or equal to table longitudinal travel as required, with described anchor clamps workpiece is clamped on the workbench again;
E, vertically move workbench and be same as relative position between described locator of C step and the reference block until relative position between locator and the reference block;
The height of the workbench of F, rising numerical control horizontal milling machine when working, start milling head seat motor, milling cutter running, the workbench of mobile numerical control horizontal milling machine, longitudinal pitch by tooth bar base workpiece design flute profile is carried out the profile of tooth Milling Process to tooth bar base workpiece, until the milling of finishing the whole profiles of tooth of tooth bar.
The present invention utilizes the workbench of numerical control horizontal milling machine can accurately do laterally, vertically and move up and down, and the in-movement of milling tooth bar, up and down and feed campaign longitudinally is provided; Locator and reference block are to work to determine the position after workpiece is finished a vertical table stroke again during tool setting.
Anchor clamps in the A step of the present invention adopt the briquetting that has bolt, and briquetting and workbench are connected during use, turn bolt clip clamping of workpieces.Adopt these anchor clamps strong to the workpiece clamping force, and convenient mounting and clamping.
The milling head seat motor of B step of the present invention adopts variable-frequency motor.Can offer the power of the milling cutter suitable rotational speed of milling tooth bar.
The milling cutter of B step of the present invention adopts multiple tooth form cutter.The a plurality of profiles of tooth of multiple tooth form cutter milling simultaneously are shaped.The installation method of described multiple tooth form cutter and milling head seat and motor thereof is as follows: multiple tooth form cutter is set on the knife bar, and knife bar is installed on the bearing, and bearing is installed on the milling head seat, and knife bar is connected with the reduction box of motor by shaft coupling.Electric motor starting drives the knife bar rotation by shaft coupling, and knife bar drives multiple tooth form cutter rotation.
Adopt dial gauge to measure and record locator and be fastened on relative position between the reference block on the milling head seat in the C step of the present invention.Certainly, also can adopt other survey tool to measure.
Vertically move workbench in the E step of the present invention and be same as relative position between described locator of C step and the reference block until relative position between locator and the reference block, its precision is controlled in the 0.01mm.To guarantee the machining accuracy of tooth bar.
Technique effect of the present invention: it is low to adopt the processing technology of milling long rack tooth form exterior feature of the present invention to have equipment cost, advantage of high processing efficiency.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of A process of the present invention;
Fig. 2 is the structural representation of B process of the present invention;
Fig. 3 is the structural representation of C process of the present invention;
Fig. 4 is the structural representation of D process of the present invention;
Fig. 5 is the structural representation of E process of the present invention;
Fig. 6 is the structural representation of F process of the present invention;
Fig. 7 is a process flow diagram of the present invention.
Reference numeral: 1 is FXK6045 numerical control horizontal milling machine, and 1-1 is a workbench, and 2 is briquetting, and 3 is bolt, and 4 is workpiece, 5 is multiple tooth form cutter, and 6 is bearing, and 7 is knife bar, and 8 is the milling head seat, and 9 is shaft coupling, 10 is reduction box, and 11 is variable-frequency motor, and 12 is locator, and 13 is dial gauge, and 14 is reference block.
The specific embodiment
To shown in Figure 7, a kind of process of milling long rack tooth form exterior feature comprises following processing step as Fig. 1:
A, some tooth bar base workpiece 4 are installed, and tooth bar base workpiece 4 is clamped on the workbench 1-1 of FXK6045 numerical control horizontal milling machine 1 by the bolt of tightening on the briquetting 23, and with the termination alignment of tooth bar base workpiece 4 initial processing ends;
The variable-frequency motor 11 of B, startup milling head seat 8, multiple tooth form cutter 5 runnings, the workbench 1-1 of mobile numerical control horizontal milling machine 1 carries out the profile of tooth Milling Process by the longitudinal pitch of tooth bar base workpiece 4 design flute profiles to tooth bar base workpiece 4, until the vertical stroke processing of the platform of finishing the work; Wherein, described multiple tooth form cutter 5 is as follows with the installation method of milling head seat 8 and motor 11 thereof: described multiple tooth form cutter 5 is set on the knife bar 7, knife bar 7 is installed on the bearing 6, and bearing 6 is installed on the milling head seat 8, and knife bar 7 is connected with the reduction box 10 of variable-frequency motor 11 by shaft coupling 9;
The workbench 1-1 of C, decline numerical control horizontal milling machine 1 is clamped on locator 12 on the workpiece 4 and makes between the workpiece position keep relative fixed, measures and writes down locator 12 and be fastened on relative position between the reference block 14 on the milling head seat 8 with dial gauge 13;
D, unclamp the bolt 3 on the briquetting 2 of clamping work pieces described in the A step, workpiece 4 integral body are vertically moved to an end that is milled into profile of tooth along workbench 1-1, move the distance that is less than or equal to table longitudinal travel as required, the bolt of tightening again on the described briquetting 23 is clamped in workpiece 4 on the workbench 1-1;
E, vertically move workbench 1-1 and be same as relative position between described locator 12 of C step and the reference block 14 until relative position between locator 12 and the reference block 14, tool setting again just, its precision is controlled in the 0.01mm; Even also workpiece and milling cutter are got back to the relative position when last time, stroke finished.
The height of the workbench 1-1 of F, rising numerical control horizontal milling machine 1 when working, start the variable-frequency motor 11 of milling head seat 8, multiple tooth form cutter 5 runnings, the workbench 1-1 of mobile numerical control horizontal milling machine 1, longitudinal pitch by tooth bar base workpiece 4 design flute profiles is carried out the profile of tooth Milling Process to tooth bar base workpiece, until the milling of finishing the whole profiles of tooth of tooth bar.
Need to prove that in order to improve working (machining) efficiency, above-mentioned embodiment is simultaneously several tooth bar base workpiece to be processed together, the present invention also can only process a tooth bar base workpiece certainly.Above-mentioned embodiment adopts FXK6045 numerical control horizontal milling machine, can certainly adopt the numerical control horizontal milling machine of other models.
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (7)
1, a kind of process of milling long rack tooth form exterior feature is characterized in that, comprises following processing step:
A, at least one tooth bar base workpiece installed and by clamp on the workbench of numerical control horizontal milling machine, when tooth bar base workpiece is that two and two are when above, with the termination alignment of the initial processing end of tooth bar base workpiece;
B, startup milling head seat motor, the milling cutter running, the workbench of mobile numerical control horizontal milling machine carries out the profile of tooth Milling Process by the longitudinal pitch of tooth bar base workpiece design flute profile to tooth bar base workpiece, until the vertical stroke processing of the platform of finishing the work;
The workbench of C, decline numerical control horizontal milling machine is clamped on locator on the workpiece and makes between the workpiece position keep relative fixed, measures and record locator and be fastened on relative position between the reference block on the milling head seat;
D, unclamp the anchor clamps of clamping work pieces described in the A step, whole workpiece is vertically moved to an end that is milled into profile of tooth along workbench, move the distance that is less than or equal to table longitudinal travel as required, with described anchor clamps workpiece is clamped on the workbench again;
E, vertically move workbench and be same as relative position between described locator of C step and the reference block until relative position between locator and the reference block;
The height of the workbench of F, rising numerical control horizontal milling machine when working, start milling head seat motor, milling cutter running, the workbench of mobile numerical control horizontal milling machine, longitudinal pitch by tooth bar base workpiece design flute profile is carried out the profile of tooth Milling Process to tooth bar base workpiece, until the milling of finishing the whole profiles of tooth of tooth bar.
2, the process of a kind of milling long rack tooth form exterior feature according to claim 1 is characterized in that, the anchor clamps in the described A step adopt the briquetting that has bolt, and briquetting and workbench are connected during use, turn bolt clip clamping of workpieces.
3, the process of a kind of milling long rack tooth form exterior feature according to claim 1 is characterized in that, the milling head seat motor of described B step adopts variable-frequency motor.
4, the process of a kind of milling long rack tooth form exterior feature according to claim 1 is characterized in that, the milling cutter of described B step adopts multiple tooth form cutter (5).
5, the process of a kind of milling long rack tooth form exterior feature according to claim 4, it is characterized in that, described multiple tooth form cutter (5) is set on the knife bar (7), knife bar (7) is installed on the bearing (6), bearing (6) is installed on the milling head seat (8), and knife bar (7) is connected with the reduction box (10) of motor by shaft coupling (9).
6, the process of a kind of milling long rack tooth form exterior feature according to claim 1 is characterized in that, adopts dial gauge to measure and record locator and be fastened on relative position between the reference block on the milling head seat in the described C step.
7, the process of a kind of milling long rack tooth form exterior feature according to claim 1, it is characterized in that, vertically move workbench in the described E step and be same as relative position between described locator of C step and the reference block until relative position between locator and the reference block, its precision is controlled in the 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100586426A CN101524774B (en) | 2009-03-18 | 2009-03-18 | Technological method for milling long rack tooth form |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100586426A CN101524774B (en) | 2009-03-18 | 2009-03-18 | Technological method for milling long rack tooth form |
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| CN101524774A true CN101524774A (en) | 2009-09-09 |
| CN101524774B CN101524774B (en) | 2010-09-29 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804547A (en) * | 2010-04-15 | 2010-08-18 | 南通振华重型装备制造有限公司 | Machining method of end-ring gear rack |
| CN103008797A (en) * | 2012-12-07 | 2013-04-03 | 中冶陕压重工设备有限公司 | Tooth alignment clamp for ultra-long rack and positioning machining method for tooth alignment thereof |
| CN104174931A (en) * | 2014-05-04 | 2014-12-03 | 湖北大学 | Intermittent-type adaptive before-milling/after-milling measurement and measurement-free saw tooth grinding method |
| CN104999238A (en) * | 2014-11-27 | 2015-10-28 | 苏州晓谕精密机械股份有限公司 | Machining method suitable for small rack |
| CN109570638A (en) * | 2018-12-29 | 2019-04-05 | 綦江齿轮传动有限公司 | Hobbing method for processing of the jackshaft helical tooth to tooth |
| CN109702254A (en) * | 2019-03-07 | 2019-05-03 | 邵阳县振华机械锻造配件有限责任公司 | A kind of rack gear facing cut equipment |
| CN111366121A (en) * | 2020-03-05 | 2020-07-03 | 一汽解放汽车有限公司 | Method for recovering precision of old welding fixture |
-
2009
- 2009-03-18 CN CN2009100586426A patent/CN101524774B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804547A (en) * | 2010-04-15 | 2010-08-18 | 南通振华重型装备制造有限公司 | Machining method of end-ring gear rack |
| CN103008797A (en) * | 2012-12-07 | 2013-04-03 | 中冶陕压重工设备有限公司 | Tooth alignment clamp for ultra-long rack and positioning machining method for tooth alignment thereof |
| CN104174931A (en) * | 2014-05-04 | 2014-12-03 | 湖北大学 | Intermittent-type adaptive before-milling/after-milling measurement and measurement-free saw tooth grinding method |
| CN104174931B (en) * | 2014-05-04 | 2017-02-22 | 湖北大学 | Intermittent-type adaptive before-milling/after-milling measurement and measurement-free saw tooth grinding method |
| CN104999238A (en) * | 2014-11-27 | 2015-10-28 | 苏州晓谕精密机械股份有限公司 | Machining method suitable for small rack |
| CN109570638A (en) * | 2018-12-29 | 2019-04-05 | 綦江齿轮传动有限公司 | Hobbing method for processing of the jackshaft helical tooth to tooth |
| CN109702254A (en) * | 2019-03-07 | 2019-05-03 | 邵阳县振华机械锻造配件有限责任公司 | A kind of rack gear facing cut equipment |
| CN109702254B (en) * | 2019-03-07 | 2023-11-17 | 湖南昱升科技发展有限责任公司 | Rack face milling equipment |
| CN111366121A (en) * | 2020-03-05 | 2020-07-03 | 一汽解放汽车有限公司 | Method for recovering precision of old welding fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101524774B (en) | 2010-09-29 |
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Address after: Zone 620460 west of Qingshen County in Sichuan province industry Patentee after: SICHUAN DAWN MACHINERY CO., LTD. Address before: Zone 620460 west of Qingshen County in Sichuan province industry Patentee before: Sichuan Dawn Machinery Co., Ltd. |