CN103111673A - Axial double-helix-surface semi-automatic milling machine - Google Patents

Axial double-helix-surface semi-automatic milling machine Download PDF

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Publication number
CN103111673A
CN103111673A CN2013100588235A CN201310058823A CN103111673A CN 103111673 A CN103111673 A CN 103111673A CN 2013100588235 A CN2013100588235 A CN 2013100588235A CN 201310058823 A CN201310058823 A CN 201310058823A CN 103111673 A CN103111673 A CN 103111673A
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China
Prior art keywords
workpiece
milling
horizontal
axial
processed
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Granted
Application number
CN2013100588235A
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Chinese (zh)
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CN103111673B (en
Inventor
傅宇晨
唐泽达
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SHENZHEN MAXONIC AUTOMATION CONTROL CO Ltd
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SHENZHEN MAXONIC AUTOMATION CONTROL CO Ltd
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Priority to CN201310058823.5A priority Critical patent/CN103111673B/en
Publication of CN103111673A publication Critical patent/CN103111673A/en
Application granted granted Critical
Publication of CN103111673B publication Critical patent/CN103111673B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an axial double-helix-surface semi-automatic milling machine which is used for machining a helix end surface shaft. The machine comprises a horizontal machine body, a horizontal sliding table, a profiling rotating mechanism, a rapid propping mechanism and a double-cutter milling mechanism, wherein the horizontal machine body can be arranged on a workshop working table; the horizontal sliding table is arranged on the horizontal machine body and can longitudinally slide relative to the horizontal machine body; the profiling rotating mechanism is arranged at one end of the horizontal sliding table; a rapid elastic locking clamp installed at the main shaft end of the profiling rotating mechanism is used for clamping the shaft end of a workpiece to be machined; the axial displacement of the workpiece to be machined is determined when a profiling cam ring installed on the periphery of the main shaft end and the main shaft rotate simultaneously; the rapid propping mechanism is installed at the other end of the horizontal sliding table; a movable propping tip is used for propping against the shaft tail of the workpiece to be machined; and the double-cutter milling mechanism is arranged at the lateral upper part of the horizontal machine body; double-axis milling cutters of the double-cutter milling mechanism correspond to the middle part of the workpiece to be machined and are used for simultaneously milling the two same axial helix surfaces of the workpiece. By virtue of the axial double-helix-surface semi-automatic milling machine, the cost on product machining is lowered, and the consistency and the reliability of a product are well controlled.

Description

Axial double helix face semi-automatic milling machine
Technical field
The invention belongs to technical field of automation, relate to instrument part process technology, relate in particular to the precise machining equipment of axial double helix end face.
Background technology
Workpiece to be processed, spiral end over glaze as shown in Figure 1, axial distance 12mm has two identical helicoids, helicoid and jack-post face intersection are standard screw thread, are divided into left-handed and dextrorotation, and pitch is P=4,0.5 it is symmetrical that circle, left-hand screw face A and right helicoid B are crossed the face of intersecting lens.This axle is used for angle displacement sensor to be made, the corresponding fixing induction coil of the cylinder of the 12mm of axle, and the rotation of axle changes the cylinder area of corresponding coil, causes coil-induced inductance parameters to change, and becomes certain relational expression with the rotation angle.After this just requires helicoid to process, sideline two-dimensional development line is a standard straight-line, and two equidistant helicoids require fully parallel, and after processing, 12mm cylinder sideline is smoothly without protruding jumping, without burr.Helicoid intersection cutter fillet is as far as possible little.
Prior art does not have to process specially the special purpose machine tool of this type of part at present, for obtaining the high accuracy processing request of helicoid, all generally with the processing of CNC3 axial coordinate, it is to do three-dimensional moving interpolation that but triaxial coordinate is processed its milling head, cutting spiral end face poor effect, beating greatly in the spiral sideline, does not meet required precision.
Also having a kind of mode is that by the interlock processing of workpiece rotating and milling head two dimensional motion, processing just meets the requirement that angle displacement sensor uses like this with 4 axles or 5 axle CNC processing, but cost is high, and efficient is low, and due to the non-special use of lathe, utilization rate of equipment and installations is low.
Summary of the invention
The technical problem to be solved in the present invention is: for the deficiency of above-mentioned existing compact spiral face process technology existence, a kind of miniaturization special processing equipment of low-cost high-efficiency is provided, improve utilization rate of equipment and installations, reduce the product processing charges, the uniformity of product and reliability also can be well controlled.
The technical scheme that the present invention is directed to the problems referred to above and propose is: axial double helix face semi-automatic milling machine is used for processing spiral end over glaze; Comprise: horizontal fuselage, be the basic part of semi-automatic milling machine, can be placed on the workbench in workshop; Horizontal sliding table is arranged on horizontal fuselage, can be with respect to horizontal fuselage longitudinal sliding motion; The pattern rotating mechanism is arranged on an end of horizontal sliding table, and the quick elasticity locker that its spindle end is installed is used for the axle head of clamping workpiece to be processed, the axial displacement of decision workpiece to be processed when the master cam ring that its spindle end periphery is installed rotates simultaneously with main shaft; Quick top concentric mechanism is arranged on the other end of horizontal sliding table, and its live center is used for holding out against the axle tail of workpiece to be processed; Double cutter milling mechanism is arranged on above the side of horizontal fuselage, and its twin shaft milling cutter is used for axial two identical helicoids of cutting workpiece simultaneously corresponding to the middle part of workpiece to be processed.
Wherein, described pattern rotating mechanism comprises: quick elasticity locker, be arranged on the end of main shaft, and can the fast clamp workpiece to be processed; The master cam ring, with quick elasticity locker coaxial rotation, its annular working curved surface is axial fluctuating; Top wheel roller is arranged on horizontal fuselage, contacts with the annular working curved surface of master cam ring, and the axial fluctuating of annular working curved surface determines two to be processed axial locations with respect to the twin shaft milling cutter of workpiece to be processed; Back-moving spring acts between master cam ring and horizontal fuselage, keeps the annular working curved surface of master cam ring to contact with the gapless of top wheel roller; Reducing motor drives the master cam ring by the turbine deceleration system and at the uniform velocity rotates with quick elasticity locker.
Wherein, described double cutter milling mechanism comprises: milling unit head, and its underpart at right angle setting twin shaft milling cutter is for the twin shaft milling cutter provides the cutting revolving force; Upright column sliding platform is fixed on above the side of horizontal waist, for milling unit head provides vertical slideway; Ball wire bar pair is connected with milling unit head, drives milling unit head and moves up and down along upright column sliding platform; Stepper motor is arranged on the top of upright column sliding platform, is connected with ball wire bar pair, drives the vertical feed campaign of twin shaft milling cutter by milling unit head.
Wherein, described quick top concentric mechanism comprises: live center acts on the centre bore of workpiece to be processed axle tail; Speed handle is connected with live center, is used for pulling live center, makes it hold out against fast axle tail at workpiece to be processed.
Further, described horizontal sliding table is arranged on horizontal fuselage by ball slide rail.
Compared with prior art, adopt the advantage of technical solution of the present invention to be:
1. the mechanical linkage relation between the rotation of the axial fluctuating of master cam ring and workpiece, by twin shaft milling cutter (4) two equidistant symmetric helix faces on the milling automatic workpiece spindle simultaneously, automaticity is high, the processing curve high conformity, the manual control error is little, and machining accuracy is high, efficient is high.
2. clamping workpiece is quick, and complete machine is simple and practical.
3. compare with numerical control CNC machine tooling, utilization rate of equipment and installations is high, greatly cuts down finished cost, and as the instrument core part, the manufacturing cost that reduces instrument has played great role.
Description of drawings
The below is briefly described the expressed content of this Figure of description and the mark in figure:
Fig. 1 is the three-view diagram of the axial double helix face of the present invention semi-automatic milling machine workpiece to be processed.
Fig. 2 is that the master of the axial double helix face of the present invention semi-automatic milling machine embodiment looks schematic diagram.
Fig. 3 is the schematic top plan view of the axial double helix face of the present invention semi-automatic milling machine embodiment.
the horizontal fuselage of each several part title: 1-in figure, the 2-ball slide rail, the 3-live center, 4-twin shaft milling cutter, the 5-workpiece, the quick elasticity locker of 6-, 7-top wheel roller, the 8-horizontal sliding table, the 9-reducing motor, 10-feeding sensing chip, 11-feeding approach switch, 12-pattern rotating mechanism, 13-master cam ring, the 14-upright column sliding platform, the 15-stepper motor, the 16-shaft coupling, the 17-ball wire bar pair, the spacing approach switch of 18-, the 19-sensing chip, the 20-milling unit head, the 21-cooling system, the quick top of 22-concentric mechanism, the 23-speed handle, the 24-back-moving spring, the 25-baffle plate, 26-spring adjusting nut.
The specific embodiment
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
The axial double helix face of the present invention semi-automatic milling machine is used for processing spiral end over glaze.Fig. 2 is that the master of axial double helix face semi-automatic milling machine embodiment looks schematic diagram; Fig. 3 is the schematic top plan view of this embodiment.
Figure comprises: can be placed in the horizontal fuselage 1 on Department service bench, be the basic part of semi-automatic milling machine; On horizontal fuselage 1, horizontal sliding table 8 is housed, horizontal sliding table 8 is connected by ball slide rail 2 with horizontal fuselage 1, can vertically be free to slide with respect to horizontal fuselage 1 at horizontal plane.One end of horizontal sliding table 8 is fixed with the pattern rotating mechanism 12 of holding workpiece 5, and the quick elasticity locker 6 that its spindle end is installed is used for the axle head of clamping workpiece 5 to be processed; The axle tail of workpiece 5 is provided with manual quick top concentric mechanism 22, and top concentric mechanism 22 is fixed in the other end of horizontal sliding table 8 fast, and the live center 3 of top concentric mechanism 22 is used for holding out against the centre bore of workpiece to be processed 5 axle tails fast; Be arranged on the milling unit head 20 of the double cutter milling mechanism of horizontal fuselage 1 side top, the vertically arranged twin shaft milling cutter 4 in its underpart is used for axial two identical helicoids of cutting workpiece 5 simultaneously corresponding to the middle part of workpiece to be processed 5.
The pattern rotating mechanism 12 spindle end peripheries that built-in worm and gear slows down are equipped with the consistent master cam ring 13 of spiral end surface shape that will process with workpiece 5, master cam ring 13 and the coaxial installation of elasticity locker 6 fast, and rotate together with quick elasticity locker 6.The annular working curved surface of the axial fluctuating of master cam ring 13 is near top wheel roller 7, and top wheel roller 7 is fixed on horizontal fuselage 1, and the axial fluctuating by the annular working curved surface determines that workpiece 5 to be processed is with respect to the axial location of twin shaft milling cutter 4.The top of horizontal sliding table 8 is equipped with back-moving spring 24, back-moving spring 24 tail ends abut against on the baffle plate 25 that is fixed on horizontal fuselage 1, act between master cam ring 13 and horizontal fuselage 1, keep the annular working curved surface of master cam ring 13 to contact with the gapless of top wheel roller 7.
Pattern rotating mechanism 12 is furnished with a cover power set reducing motor 9, by worm and gear drive the workpiece 5 of quick elasticity locker 6 clampings and master cam ring 13, the live center 3 on top concentric mechanism 22 is coaxial uniform speed rotation continuously fast, it is longitudinal sliding motion that 13 rotations of master cam ring move axially whole horizontal sliding table 8, under the effect of back-moving spring 24 elastic force, master cam ring 13 its annular working curved surface in rotation near top wheel roller 7, makes whole horizontal sliding table 8 do axially regular moving back and forth in workpiece 5 rotations.
Workpiece 5 tops are provided with the milling unit head 20 of double cutter milling mechanism, are furnished with the second cover power set, drive twin shaft milling cutter 4 synchronous rotaries that milling unit head 20 lower vertical are equipped with two milling cutters, be used for axial two identical spiral end faces of cutting workpiece 5 simultaneously.Milling unit head 20 is installed on upright column sliding platform 14, and upright column sliding platform 14 is fixed on the side top at horizontal fuselage 1 middle part, for milling unit head 20 provides vertical slideway.The 3rd cover power set stepper motor 15 is equipped with on the top of upright column sliding platform 14, drives milling unit head 20 by ball wire bar pair 17 and moves up and down along upright column sliding platform 14, as the vertical feed campaign of twin shaft milling cutter 4, controls the radially working depth of workpiece 5.The twin shaft milling cutter 4 of milling unit head 20 bottoms and the initial relative position of workpiece 5 fix before by the accent machine.
During processing work 5,9 of first set power set reducing motors are responsible for driving pattern rotating mechanism 12 and are driven workpiece 5 rotations, because master cam ring 13 acts on the mechanical linkage relation of rotating with workpiece 5 on the wheel roller 7 of top, workpiece 5 is synchronously made the regular displacement movement of axial reciprocating simultaneously.The second cover power set only are responsible for the rotary cutting of twin shaft milling cutter 4.The 3rd cover power set stepper motor 15 is responsible for the amount of feeding of the cutting workpiece 5 of twin shaft milling cutter 4, feeding approach switch 11 is housed on pattern rotating mechanism 12, control step motor 15 is workpiece 5 laggard the giving once that rotate a circle, and the amount of feeding presets by the rotating speed that the PLC control program arranges control step motor 15.The spacing approach switch 18 of starting point is housed on upright column sliding platform 14, and after stepper motor 15 processed workpiece by the formula of finishing, fast return stopped at the initial starting point place by spacing approach switch 18, waits for work order for the second time.
The embodiment of the axial double helix face of the present invention semi-automatic milling machine as shown in Figure 2, comprise horizontal fuselage 1, on horizontal fuselage 1, ball slide rail 2 is housed, horizontal sliding table 8 is housed on ball slide rail 2, pattern rotating mechanism 12, top concentric mechanism 22, and workpiece 5 fast are housed on horizontal sliding table 8.Workpiece 5 and pattern rotating mechanism 12 and quick top concentric mechanism 22 coaxial clampings can integral level move with horizontal sliding table 8.
On horizontal fuselage 1, upright column sliding platform 14 is housed also, stepper motor 15 is housed on upright column sliding platform 14, milling unit head 20, stepper motor 15 is connected with milling unit head 20 by shaft coupling 16, ball-screw 17, and stepper motor 15 drives milling unit head 20 and does the up and down vertical motion.Twin shaft milling cutter 4 and cooling system 21 are housed on milling unit head 20.
Top wheel roller 7 is housed on horizontal fuselage 1, on the rotating disk of pattern rotating mechanism 12 spindle end peripheries, master cam ring 13 is housed, together with top wheel roller 7 and master cam ring 13 back-moving spring 24 by pattern rotating mechanism 12 abuts against, the end of back-moving spring 24 is fixed on the baffle plate 25 that arranges on horizontal fuselage 1, can regulate the decrement of back-moving spring 24 by spring adjusting nut 26, thereby regulate master cam ring 13 and the contact force of pushing up wheel roller 7, arrive the vibration influence that resets and overcome the milling cutter cutting.
Feeding sensing chip 10 and feeding approach switch 11 are housed respectively on pattern rotating mechanism 12, feeding sensing chip 10 together rotates with the main shaft of pattern rotating mechanism 12, and feeding approach switch 11 triggers the pulsatile once signal by feeding sensing chip 10 perception workpiece after 5 one weeks of processing.Spacing approach switch 18 also is housed on upright column sliding platform 14 equally, limit induction sheet 19 is housed on milling unit head 20, spacing approach switch 18 and limit induction sheet 19 have formed move up stopping means when resetting of milling unit head 20.
During work, workpiece 5 spiral end over glazes are loaded on the main shaft of pattern rotating mechanism 12 with quick elasticity locker 6, pull the speed handle 23 that is connected with live center 3 with hand, pull live center 3 to make it hold out against fast axle tail at workpiece to be processed 5.the twin shaft milling cutter 4 of manual adjustments milling unit head 20 bottoms and the distance of workpiece 5, after adjusting, start the processing start button, pattern rotating mechanism 12 drives workpiece 5 rotations at the driving lower main axis of reducing motor 9 by quick elasticity locker 6, milling unit head 20 is done feed motion downwards in the driving of stepper motor 15 simultaneously, feeding sensing chip 10 and workpiece 5 coaxial rotatings, circle rear by the feeding approach switch signal in 11 one weeks of perception workpiece rotating, pass through simultaneously PLC control step motor 15 to the certain processing capacity of lower feeding, then feed-disabling is until workpiece 5 is received the signal continuation again to lower feeding after processing a week, until workpiece machines, stepper motor 15 stops according to the starting point place of default PLC program fast return to spacing approach switch 18 settings, complete the time processing task.
During the machined of the axial double helix face of the present invention semi-automatic milling, workpiece 5 is clamped on the quick elasticity locker 6 of pattern rotating mechanism 12 spindle ends that built-in worm and gear slows down, automatically decide angle, promote quick tip mechanism 22 top tight workpieces 5, opening power starts three cover power set, and workpiece 5 is made uniform circular motion under the drive of quick elasticity locker 6.
milling unit head 20 drives 4 work of twin shaft milling cutter, manually boot stepper motor 15 and milling unit head 20, under driving, stepper motor 15 moves both vertically, manually adjust twin shaft milling cutter 4 and workpiece 5 initial positions, make twin shaft milling cutter 4 ends just contact the work surface of workpiece 5, start the PLC processing control procedure start button that presets, open cooling system 21, the semi-automatic milling machine begins automatic operation, milling unit head 20 is triggered by the feeding approach switch 11 on the main shaft of pattern rotating mechanism 12, its workpiece 5 is rotated a circle, twin shaft milling cutter 4 by the processing capacity feeding that sets once, until be worked into the degree of depth of requirement, milling unit head 20 fast return initial positions, pattern rotating mechanism 12 and milling unit head 20 and cooling system 21 autoshutdowns, complete the processing of workpiece, about 15 minutes of machining period.
The axial double helix face of the present invention semi-automatic milling machine, workpiece 5 clamping Simple fasts, working (machining) efficiency is high, and the manual control error is little, and machining accuracy is high.Compare with numerical control CNC machine tooling, utilization rate of equipment and installations is high, greatly cuts down finished cost, and as the instrument core part, the manufacturing cost that reduces instrument has played great role.
Foregoing; it is only preferred embodiment of the present invention; be not for restriction embodiment of the present invention; those of ordinary skills are according to main design of the present invention and spirit; can carry out very easily corresponding flexible or modification, therefore protection scope of the present invention should be as the criterion with the desired protection domain of claims.

Claims (5)

1. axial double helix face semi-automatic milling machine, be used for processing spiral end over glaze; It is characterized in that, comprising:
Horizontal fuselage (1) is the basic part of semi-automatic milling machine, can be placed on the workbench in workshop;
Horizontal sliding table (8) is arranged on horizontal fuselage (1), can be with respect to horizontal fuselage (1) longitudinal sliding motion;
Pattern rotating mechanism (12), be arranged on an end of horizontal sliding table (8), the quick elasticity locker (6) that its spindle end is installed is used for the axle head of clamping workpiece to be processed (5), and the master cam ring (13) that its spindle end periphery is installed determines the axial displacement of workpiece to be processed (5) when rotating simultaneously with main shaft;
Quick top concentric mechanism (22) is arranged on the other end of horizontal sliding table (8), and its live center (3) is used for holding out against the axle tail of workpiece to be processed (5);
Double cutter milling mechanism is arranged on above the side of horizontal fuselage (1), and its twin shaft milling cutter (4) is used for axial two identical helicoids of cutting workpiece (5) simultaneously corresponding to the middle part of workpiece to be processed (5).
2. according to semi-automatic milling machine claimed in claim 1, it is characterized in that, described pattern rotating mechanism (12) comprising:
Quick elasticity locker (6) is arranged on the end of main shaft, can fast clamp workpiece to be processed (5);
Master cam ring (13), with quick elasticity locker (6) coaxial rotation, its annular working curved surface is axial fluctuating;
Top wheel roller (7), be arranged on horizontal fuselage (1), contact with the annular working curved surface of master cam ring (13), the axial fluctuating of annular working curved surface determines two to be processed axial locations with respect to twin shaft milling cutter (4) of workpiece to be processed (5);
Back-moving spring (24) acts between master cam ring (13) and horizontal fuselage (1), keeps the annular working curved surface of master cam ring (13) to contact with the gapless of top wheel roller (7);
Reducing motor (9) at the uniform velocity rotates by turbine deceleration system driving master cam ring (13) and quick elasticity locker (6).
3. according to semi-automatic milling machine claimed in claim 2, it is characterized in that, described double cutter milling mechanism comprises:
Milling unit head (20), its underpart at right angle setting twin shaft milling cutter (4) is for twin shaft milling cutter (4) provides the cutting revolving force;
Upright column sliding platform (14) is fixed on above the side at horizontal fuselage (1) middle part, for milling unit head (20) provides vertical slideway;
Ball wire bar pair (17) is connected with milling unit head (20), drives milling unit head (20) and moves up and down along upright column sliding platform (14);
Stepper motor (15) is arranged on the top of upright column sliding platform (14), is connected with ball wire bar pair (17), drives the vertical feed campaign of twin shaft milling cutter (4) by milling unit head (20).
4. according to semi-automatic milling machine claimed in claim 3, it is characterized in that, described quick top concentric mechanism (22) comprising:
Live center (3) acts on the centre bore of workpiece to be processed (5) axle tail;
Speed handle (23) is connected with live center (3), is used for pulling live center (3), makes it hold out against fast axle tail at workpiece to be processed (5).
5. according to semi-automatic milling machine claimed in claim 3, it is characterized in that, described horizontal sliding table (8) is arranged on horizontal fuselage (1) by ball slide rail (2).
CN201310058823.5A 2013-02-25 2013-02-25 Axial double helix face semi-automatic milling machine Expired - Fee Related CN103111673B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310058823.5A CN103111673B (en) 2013-02-25 2013-02-25 Axial double helix face semi-automatic milling machine

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Application Number Priority Date Filing Date Title
CN201310058823.5A CN103111673B (en) 2013-02-25 2013-02-25 Axial double helix face semi-automatic milling machine

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CN103111673A true CN103111673A (en) 2013-05-22
CN103111673B CN103111673B (en) 2015-11-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105965074A (en) * 2016-06-22 2016-09-28 重庆建设工业(集团)有限责任公司 Processing method of right-angle helicoidal surface
CN106064313A (en) * 2016-07-28 2016-11-02 金华市强宏板式家具机械有限公司 A kind of frock for the processing of point cantact spiral cutter shaft and processing technique thereof
CN107042415A (en) * 2017-03-28 2017-08-15 山东蒙沃变速器有限公司 A kind of double-faced processing combined machine tool
CN110054325A (en) * 2019-06-06 2019-07-26 夏献云 A kind of municipal works sewage filter device
CN110912028A (en) * 2019-12-10 2020-03-24 长春理工大学 Automatic wire feeder for wiring equipment

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Publication number Priority date Publication date Assignee Title
GB735644A (en) * 1951-09-17 1955-08-24 Kearney & Trecker Corp Improvements in or relating to automatic copying machine with anticipator control
FR1578392A (en) * 1967-08-16 1969-08-14
DE2742212A1 (en) * 1977-09-20 1979-03-22 Simon Nann Kg Fabrik Fuer Span Automatic machine copying template - is produced by shaft milling tool with movement corrected corresponding to pivot radius of sensing arm
CN2787351Y (en) * 2005-04-04 2006-06-14 刘克言 Apparatus for milling cutter shaft of shears by C650 lathe through changing transmission system
CN1911575A (en) * 2006-08-25 2007-02-14 郑州机械研究所 Device capable of processing arbitrary screw angle tbread or worm

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB735644A (en) * 1951-09-17 1955-08-24 Kearney & Trecker Corp Improvements in or relating to automatic copying machine with anticipator control
FR1578392A (en) * 1967-08-16 1969-08-14
DE2742212A1 (en) * 1977-09-20 1979-03-22 Simon Nann Kg Fabrik Fuer Span Automatic machine copying template - is produced by shaft milling tool with movement corrected corresponding to pivot radius of sensing arm
CN2787351Y (en) * 2005-04-04 2006-06-14 刘克言 Apparatus for milling cutter shaft of shears by C650 lathe through changing transmission system
CN1911575A (en) * 2006-08-25 2007-02-14 郑州机械研究所 Device capable of processing arbitrary screw angle tbread or worm

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105965074A (en) * 2016-06-22 2016-09-28 重庆建设工业(集团)有限责任公司 Processing method of right-angle helicoidal surface
CN106064313A (en) * 2016-07-28 2016-11-02 金华市强宏板式家具机械有限公司 A kind of frock for the processing of point cantact spiral cutter shaft and processing technique thereof
CN106064313B (en) * 2016-07-28 2017-12-05 金华市强宏板式家具机械有限公司 A kind of frock and its processing technology for being used for point contact spiral cutter shaft processing
CN107042415A (en) * 2017-03-28 2017-08-15 山东蒙沃变速器有限公司 A kind of double-faced processing combined machine tool
CN110054325A (en) * 2019-06-06 2019-07-26 夏献云 A kind of municipal works sewage filter device
CN110912028A (en) * 2019-12-10 2020-03-24 长春理工大学 Automatic wire feeder for wiring equipment

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