CN202846256U - Electronic gear controller of gear hobbing machine transmission chains - Google Patents
Electronic gear controller of gear hobbing machine transmission chains Download PDFInfo
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- CN202846256U CN202846256U CN 201220234423 CN201220234423U CN202846256U CN 202846256 U CN202846256 U CN 202846256U CN 201220234423 CN201220234423 CN 201220234423 CN 201220234423 U CN201220234423 U CN 201220234423U CN 202846256 U CN202846256 U CN 202846256U
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Abstract
The utility model provides an electronic gear controller of gear hobbing machine transmission chains. The electronic gear controller comprises a CP1H-Y programmable controller produced by Japanese OMRON company and an M70 lathe multiple-shaft movement controller produced by Japanese Mitsubishi; an output interface of the programmable controller is connected with servo drive devices of a hobbing cutter main shaft and a workpiece shaft and an input interface of the programmable controller is connected with rotational speed sensors of the hobbing cutter main shaft, a cutter rest vertical drive shaft and a hobbing cutter displacement shaft; an output interface of the lathe multiple-shaft movement controller is connected with servo drive devices of a cutter rest shaft, the hobbing cutter displacement shaft, a vertical stand column drive shaft and the cutter rest vertical drive shaft; and the programmable controller is provided with a control device for tracking control of the rotational speed of the workpiece shaft based on the rotational speed of the hobbing cutter main shaft, and a control device for carrying out the rotational speed compensating treatment of the workpiece shaft according to the gear workpiece helix angle, hobbing cutter helix angle, the rotational speed of the cutter rest vertical drive shaft and the rotational speed of the hobbing cutter displacement shaft. The electronic gear controller has the advantages of comprehensive and powerful functions, simple structure and low price, and is suitable for wide application in common mechanical gear hobbing machines.
Description
Technical field
The utility model relates to a kind of inline driving-chain of gear-hobbing machine, particularly the inline driving-chain electronic gear of a kind of gear-hobbing machine controller.
Background technology
Gear-hobbing machine is the special purpose machine tool of machining gears.Mostly gear-hobbing machine is vertical gear-hobbing machine, and horizontal hobbing machine is also arranged.Vertical gear-hobbing machine has lathe bed, the column guide rail that level is arranged on the lathe bed, having on the column guide rail can be along the vertical pillars of column guide rail slip, the opposite side of lathe bed has vertical workbench, and vertical tool guide is arranged on the vertical pillars, and having on the tool guide can be along the vertical knife rest that slides of tool guide, knife rest has tool axis, hobboing cutter main shaft guide rail is arranged on the knife rest, the main shaft that hobboing cutter is installed is arranged on the slide block of main shaft guide rail, vertical workpiece spindle is arranged on the workbench.
The working shaft of demand motive is more in the gear-hobbing machine, the working shaft of above-mentioned vertical gear-hobbing machine demand motive mainly contains hobboing cutter main shaft (B axle), workpiece spindle (C axle), tool axis (A axle), hobboing cutter offset axis (Y-axis), vertical pillars driving shaft (X-axis) and knife rest vertical drive shaft (Z axis).Horizontal hobbing machine also has corresponding above-mentioned a plurality of working shafts.
Gear-hobbing machine is the comparatively complicated lathe of drive connection.Gear-hobbing machine is when work, at main shaft hobboing cutter is installed, at workpiece spindle workpiece is installed, main motor and each working shaft have inline driving-chain and outreach driving-chain, driving-chain not only makes working shaft rotate by the instruction of processing technology program, also to make between hobboing cutter main shaft and the workpiece spindle and rotate by generate dividing movement relation, namely to satisfy exactly hobboing cutter main shaft and workpiece spindle speed ratio relation between the two, and when processing helical gear and worm gear, when finishing above-mentioned generate dividing movement, also to finish Z axis, the additional movement of the hobboing cutter main shaft that Y-axis is right, vertical gear-hobbing machine are when work, for adapting to processing, knife rest can be vertically mobile along column guide rail, knife rest also can be adjusted an angle around tool axis, and vertical pillars can move horizontally along bed ways, and knife rest also can move along the hobboing cutter axis direction.
In the gear-hobbing machine, be connected with driving-chain between main motor and each working shaft.At present, mostly the driving-chain of gear-hobbing machine is mechanical drive train, mechanical drive train is tediously long, the accuracy of manufacture of mechanical transmission component and installation accuracy also affect the transmission accuracy of mechanical drive train, particularly the inline driving-chain between hobboing cutter main shaft and the workpiece spindle is tediously long, complicated, greatly affect the generate dividing movement between hobboing cutter main shaft and the workpiece spindle, and then affect the making precision of gear.The precision of gear-hobbing machine mechanical drive train is not very high.The simple accuracy of manufacture and the installation accuracy that improves mechanical transmission component that rely on, limited to the raising of transmission accuracy, the lathe expense is significantly risen.
Along with the development of lathe, lathe is the future development towards high-speed, high accuracy, high efficiency and numerical control.At present, little processing Numeric Control Technology is applied on the lathes such as lathe, milling machine maturely.The digital control system of the lathe such as lathe and milling machine is based on the run-in index isochronous controller of definite value control, run-in index isochronous controller based on definite value control has the lathe multi-axis motion controller, as being used for Mitsubishi's multi-axis motion controller of the MIT's production on numerically controlled lathe and the CNC milling machine, lathe is with being solidified with the run-in index Synchronization Control program of controlling based on definite value in the multi-axis motion controller, multi-axis motion controller is connected with the processing technology program input device, the output interface of multi-axis motion controller is connected with the servo drive of working shaft, servo drive has continuous servo-driver and servomotor, be connected with speed probe on the servo motor shaft
During use, with shaft coupling servomotor is connected on the working shaft.Input processing technology program, machine tool numerical control system sends control instruction, and reference axis rotates by given program requirement on servo-driver on the servo output interface and the driven by servomotor lathe through being connected in, drive Tool in Cutting and go out the workpiece product, speed probe is the revolution of testing axle constantly, and feed back to lathe multi-axis motion controller, Correction and Control instruction.The working shaft that needs on the lathe such as lathe and milling machine to control is not a lot, the relation of the input and output of digital control system just simple single input, single output decide to compare drive connection, required control is a kind of run-in index Synchronization Control based on definite value control, and CNC system for lathe is not very complicated.The digital control system of this lathe is general numerical control system.And except the run-in index isochronous controller based on definite value control that is used for outreaching driving-chain, also need in the gear-hobbing machine digital control system to be useful on inline driving-chain based on the master-slave mode Synchronization Control of following the tracks of control, the gear-hobbing machine digital control system has the relation of many inputs, single output, and digital control system is comparatively complicated.
At present, the gear-hobbing machine digital control system of little processing Numeric Control Technology mainly contains the SIEMENS840D Five Axis CNC System of Siemens and the gear-hobbing machine special-purpose numerical control systems such as FANUC 32Di Five Axis CNC System of Japanese Fa Nake.Have between the hobboing cutter main shaft of chain digital control gear hobbing machine of above-mentioned kind of gear-hobbing machine special-purpose numerical control system and the workpiece spindle and adopt driving-chain electronic gear direct connection, greatly shortened driving-chain, eliminate tediously long mechanical drive train to the impact of machining accuracy and process velocity, improved significantly machining accuracy and the process velocity of gear-hobbing machine.
This processes the gear-hobbing machine digital control system of Numeric Control Technology slightly, driving-chain electronic gear isochronous controller is multiple functional, powerful, but with high content of technology, the digital control system complex structure, be high-grade gear-hobbing machine special-purpose numerical control system, this gear-hobbing machine special-purpose numerical control system price is higher, is difficult to apply in a large amount of general hobbing machine, in gear-hobbing machine, the driving-chain that Gear Processing is had the greatest impact is the inline driving-chain between hobboing cutter main shaft (B axle) and the workpiece spindle (C axle).In the prior art, in gear-hobbing machine, there is not the inline controller of electronic gear controller gear-hobbing machine as driving-chain between hobboing cutter main shaft and the workpiece spindle.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned deficiency, propose a kind of simple in structure, price is lower, be easy to the hobbing machine driving chain electronic gear controller of the employing numerical control microelectric technique applied in a large amount of common mechanical type gear-hobbing machines.
The utility model is realized with the following method.
The CP1H-Y programmable controller that hobbing machine driving chain electronic gear controller has Japan OMRON to produce, programmable controller is connected with the processing technology program input device, the output interface of programmable controller is connected with respectively hobboing cutter main shaft (B axle) servo drive and workpiece spindle (C axle) servo drive, servo drive has continuous servo-driver and servomotor, be connected with speed probe on the servo motor shaft, the input interface of programmable controller is connected with respectively hobboing cutter main shaft (B axle) speed probe, knife rest vertical drive shaft (Z axis) speed probe and hobboing cutter offset axis (Y-axis) speed probe, have in the programmable controller based on the rotating speed of definite value control hobboing cutter main shaft (B axle) with based on the rotating speed of the rotating-speed tracking control workpiece spindle (C axle) of hobboing cutter main shaft (B axle) and according to the gear workpieces helical angle, the hobboing cutter lead angle, the rotating speed of the rotating speed of knife rest vertical drive shaft (Z axis) and hobboing cutter offset axis (Y-axis) is made the control device of compensation deals to the rotating speed of workpiece spindle (C axle), described hobbing machine driving chain electronic gear controller is connected with the lathe multi-axis motion controller, and lathe is connected with respectively the tool axis servo drive with the output interface of multi-axis motion controller, hobboing cutter offset axis servo drive, vertical pillars driving shaft servo drive and knife rest vertical drive shaft servo drive.
The inline driving-chain that outreaches between driving-chain and hobboing cutter main shaft (B axle) and the workpiece spindle (C axle) that the utility model can be used as the hobboing cutter main shaft (B axle) of standard machinery formula gear-hobbing machine is installed in the common mechanical type gear-hobbing machine of transformation on the common mechanical type gear-hobbing machine.
When transforming common mechanical type gear-hobbing machine with the utility model, disconnect the main motor of standard machinery formula gear-hobbing machine and the outer driving-chain of machinery between the workpiece spindle (C axle) and the mechanical inline driving-chain between hobboing cutter main shaft (B axle) and the workpiece spindle (C axle), with shaft coupling the servomotor that is connected in the utility model hobboing cutter main shaft (B axle) servo drive signal output interface is connected on the hobboing cutter main shaft (B axle), with shaft coupling the servomotor that is connected in the utility model workpiece spindle (C axle) servo drive signal output interface is connected on the workpiece spindle (C axle), speed probe on the input interface that is connected in the utility model hobboing cutter main shaft (B axle) signals of rotational speed sensor is connected on the hobboing cutter main shaft (B axle), the speed probe of the input interface that is connected in the utility model knife rest vertical drive shaft (Z axis) signals of rotational speed sensor is connected in knife rest vertical drive shaft (Z axis), the input interface speed probe of the signals of rotational speed sensor that is connected in the new hobboing cutter offset axis (Y-axis) of this practicality is connected on the hobboing cutter offset axis (Y-axis).
Be still between above-mentioned tool axis (A axle), hobboing cutter offset axis (Y-axis), column driving shaft (X-axis) and knife rest vertical drive shaft (Z axis) with the improved common mechanical type gear-hobbing machine of the utility model and the main motor and outreach driving-chain by mechanical type respectively and link to each other.
When working with the improved standard machinery formula of the utility model gear-hobbing machine, rotating speed definite value from processing technology program input device input hobboing cutter main shaft (B axle), programmable controller is based on the rotation of above-mentioned definite value control hobboing cutter main shaft, programmable controller is followed the tracks of the rotating speed of control workpiece spindle (C axle) based on the rotating speed definite value of hobboing cutter main shaft (B axle), make workpiece spindle (C axle) and hobboing cutter main shaft (B axle) accurately press the generate relation and rotate, realize spur gear processing; When the processing helical gear, can do compensation deals to the rotating speed of workpiece spindle (C axle) according to the rotating speed of gear workpieces helical angle, hobboing cutter lead angle, knife rest vertical drive shaft (Z axis) and the rotating speed of hobboing cutter offset axis (Y-axis), realize helical gear processing.
The utility model is in standard machinery formula gear-hobbing machine, replace the driving-chain that outreaches between main motor and the hobboing cutter main shaft (B axle) with the electronics gear control, with the inline driving-chain between electronics gear control replacement hobboing cutter main shaft (B axle) and the workpiece spindle (C axle), the driving-chain of gear-hobbing machine most critical is realized electronic gear control, improve significantly process velocity, machining accuracy and production efficiency, product structure is simple, and price is lower, be easy to apply in a large amount of common mechanical type gear-hobbing machines.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is the schematic diagram according to a kind of gear-hobbing machine electronic gear controller of invention scheme proposition of the present utility model;
Fig. 2 is the flow chart schematic diagram in the programmable controller;
Fig. 3 is the schematic diagram of combined type gear-hobbing machine numerical control device;
Fig. 4 is the schematic diagram of the combined type gear-hobbing machine numerical control device of the lathe servo drive that also is connected with the hobboing cutter main shaft with the output interface on the multi-axis motion controller.
The specific embodiment
Among Fig. 1, the CP1H-Y programmable controller 1 that hobbing machine driving chain electronic gear controller has Japan OMRON to produce, programmable controller is connected with processing technology program input device 2, the output interface 3 of programmable controller is connected with respectively the servo drive servo-B of hobboing cutter main shaft (B axle) and the servo drive servo-C of workpiece spindle (C axle), servo drive has continuous servo-driver and servomotor, be connected with speed probe on the servo motor shaft, the input interface 4 of programmable controller is connected with respectively the speed probe sensor-B of hobboing cutter main shaft (B axle), the speed probe sensor-Y of the speed probe sensor-Z of knife rest vertical drive shaft (Z axis) and hobboing cutter offset axis (Y-axis), have in the programmable controller based on the rotating speed of definite value control hobboing cutter main shaft (B axle) with based on the rotating speed of the rotating-speed tracking control workpiece spindle (C axle) of hobboing cutter main shaft (B axle) and according to the gear workpieces helical angle, the hobboing cutter lead angle, the rotating speed of the rotating speed of knife rest vertical drive shaft (Z axis) and hobboing cutter offset axis (Y-axis) is made the control device of compensation deals to the rotating speed of workpiece spindle (C axle), above-mentioned control device is the associated components that the special-purpose control program that the utility model proposes is arranged in the programmable controller
Described hobbing machine driving chain electronic gear controller is connected with the lathe multi-axis motion controller, and lathe is connected with respectively tool axis servo drive, hobboing cutter offset axis servo drive, vertical pillars driving shaft servo drive and knife rest vertical drive shaft servo drive with the output interface of multi-axis motion controller.
Control program in the above-mentioned control device has the following steps:
Start control system;
Manual operation: allow all return reference points of B axle, C axle, A axle, X-axis, Y-axis and Z axis;
Automatically processing: press the loop start key;
The gear parameter assignment: several tooth Z of gear, the modulus M of gear, the hobboing cutter head is counted K, gear workpieces helixangleβ, hobboing cutter lead angle λ;
Input processing technology program, inputting process parameters: the rotation speed n b of hobboing cutter main shaft (B axle), the rotating speed of knife rest vertical drive shaft (Z axis) and direction Vz, the rotating speed of hobboing cutter offset axis (Y-axis) and direction Vy, gear workpieces helixangleβ, hobboing cutter lead angle λ;
Do you judge that β equals zero? does λ equal zero? if, β=0, λ=0, then by formula
Count several tooth Z calculating of K and gear and the rotation speed n c of output workpiece spindle (C axle) based on rotation speed n b, the hobboing cutter head of hobboing cutter main shaft (B axle), be used for the processing straight-tooth,
If β ≠ 0, λ ≠ 0, then by formula
Except the several tooth Z that count K and gear based on rotation speed n b, the hobboing cutter head of hobboing cutter main shaft (B axle) calculate the rotating speed of workpiece spindle (C axle), also to make the rotation speed n c that compensation deals ground calculated and exported workpiece spindle (C axle) to the rotating speed of the above-mentioned workpiece spindle that calculates (C axle) based on modulus M, gear workpieces helixangleβ, hobboing cutter lead angle λ, the rotating speed Vz of knife rest vertical drive shaft (Z axis) and the rotating speed Vy of hobboing cutter offset axis (Y-axis) of gear, be used for processing helical teeth or turbine.
The utility model as outreaching driving-chain, drives hobboing cutter main shaft (B axle) definite value with the servo drive with programmable controller and rotates in standard machinery formula gear-hobbing machine; As inline driving-chain, with the electronic gear controller of the servo drive with programmable controller rotation speed n b based on hobboing cutter main shaft (B axle), the hobboing cutter head is counted several tooth Z calculating of K and gear and the rotation speed n c of output workpiece spindle (C axle), control workpiece spindle (C axle) is accurately pressed the generate relation with hobboing cutter main shaft (B axle) and is rotated, can also be based on the modulus M of gear when making helical teeth, the gear workpieces helixangleβ, hobboing cutter lead angle λ, the rotation speed n c that the rotating speed Vy of the rotating speed Vz of knife rest vertical drive shaft (Z axis) and hobboing cutter offset axis (Y-axis) calculates and exports workpiece spindle (C axle) makes compensation deals.
The utility model has just been realized the numerical control of gear-hobbing machine hobboing cutter main shaft (B axle) and workpiece spindle (C axle) in standard machinery formula gear-hobbing machine, the main motor of standard machinery formula gear-hobbing machine and tool axis (A axle), hobboing cutter offset axis (Y-axis), vertical pillars driving shaft (X-axis) and knife rest vertical drive shaft (Z axis) are still and outreach driving-chain by mechanical type respectively and link to each other with main motor, and the utility model is the device that a kind of part realizes the gear-hobbing machine numerical control.
In order to realize the Full-numerical-control of gear-hobbing machine, the utility model can combine with multi-axis motion controller with lathe, makes combined type gear-hobbing machine numerical control device, realizes the numerical control of overall work in gear-hobbing machine.
Among Fig. 3, combined type gear-hobbing machine numerical control device has above-mentioned hobbing machine driving chain electronic gear controller ZC and lathe multi-axis motion controller PX, the M70 digital control system 5 that lathe has MIT to produce with multi-axis motion controller, lathe is connected with processing technology program input device 6 with multi-axis motion controller, and lathe is connected with respectively tool axis (A axle) servo drive servo-A with the output interface 7 on the multi-axis motion controller, hobboing cutter offset axis (Y-axis) servo drive servo-Y, vertical pillars driving shaft (X-axis) servo drive servo-X and knife rest vertical drive shaft (Z axis) servo drive servo-Z.
The servo drive of the hobboing cutter main shaft (B axle) of combinations thereof formula gear-hobbing machine numerical control device is to be connected on the output interface of programmable controller.The lathe of combined type gear-hobbing machine numerical control device also can be connected with the servo drive of hobboing cutter main shaft (B axle) with the output interface on the multi-axis motion controller.
Among Fig. 4, the servo drive servo-B1 of the hobboing cutter main shaft of combined type gear-hobbing machine numerical control device (B axle) also can be connected in lathe with on the output interface on the multi-axis motion controller.
When transforming common mechanical type gear-hobbing machine with above-mentioned combined type gear-hobbing machine numerical control device, disconnect machinery between main motor and all working axle and outreach mechanical inline driving-chain between driving-chain and hobboing cutter main shaft (B axle) and the workpiece spindle (C axle), roll over and remove main motor,
With shaft coupling the hobboing cutter main shaft, (B axle) servo drive servo-B1 is connected in the hobboing cutter main shaft, on (B axle), workpiece spindle, (C axle) servo drive servo-C is connected in workpiece spindle, on (C axle), the hobboing cutter main shaft, the speed probe sensor-B of (B axle) is connected in the hobboing cutter main shaft, on (B axle), the knife rest vertical drive shaft, the speed probe sensor-Z of (Z axis) is connected in the knife rest vertical drive shaft, (Z axis), the hobboing cutter offset axis, the speed probe sensor-Y of (Y-axis) is connected in the hobboing cutter offset axis, on (Y-axis)
With shaft coupling tool axis (A axle) servo drive servo-A is connected on the tool axis (A axle), hobboing cutter offset axis (Y-axis) servo drive servo-Y is connected on the hobboing cutter offset axis (Y-axis), vertical pillars driving shaft (X-axis) servo drive servo-X is connected on the vertical pillars driving shaft (X-axis), and knife rest vertical drive shaft (Z axis) servo drive servo-Z is connected on the knife rest vertical drive shaft (Z axis).
Behind above-mentioned combined type gear-hobbing machine numerical control device transformation standard machinery formula gear-hobbing machine, make the hobbing machine driving chain electronic gear controller transmission of adopting in the crucial driving-chain of gear-hobbing machine in the utility model, adopt ripe lathe multi-axis motion controller transmission in the general driving-chain, in gear-hobbing machine, realize the Full-numerical-control of working shaft.
Combined type gear-hobbing machine numerical control device is multiple functional, powerful, can make that gear-hobbing machine is high-speed, high accuracy, work expeditiously, combined type gear-hobbing machine numerical control device is simple in structure, price is lower, can be used for the lower chain digital control gear hobbing machine of production cost, also can be used for transforming a large amount of common mechanical type gear-hobbing machines.
Claims (3)
1. hobbing machine driving chain electronic gear controller, it is characterized in that: the CP1H-Y programmable controller that has Japan OMRON to produce, the CP1H-Y programmable controller is connected with the processing technology program input device, the output interface of CP1H-Y programmable controller is connected with respectively hobboing cutter main axle servo drive unit and workpiece spindle servo drive, the workpiece spindle servo drive has continuous servo-driver and servomotor, be connected with speed probe on the servo motor shaft, the input interface of programmable controller is connected with respectively hobboing cutter speed of mainshaft sensor, knife rest vertical drive shaft speed transducer and hobboing cutter offset axis speed probe have in the programmable controller based on the rotating speed of definite value control hobboing cutter main shaft with based on the rotating speed of the rotating-speed tracking control workpiece spindle of hobboing cutter main shaft and according to the gear workpieces helical angle, the hobboing cutter lead angle, the rotating speed of the rotating speed of knife rest vertical drive shaft and hobboing cutter offset axis is made the control device of compensation deals to the rotating speed of workpiece spindle.
2. by hobbing machine driving chain electronic gear controller claimed in claim 1, it is characterized in that: described hobbing machine driving chain electronic gear controller is connected with the lathe multi-axis motion controller, lathe is connected with respectively tool axis servo drive, hobboing cutter offset axis servo drive, vertical pillars driving shaft servo drive and knife rest vertical drive shaft servo drive with the output interface of multi-axis motion controller, servo drive has continuous servo-driver and servomotor, is connected with speed probe on the servo motor shaft.
3. by hobbing machine driving chain electronic gear controller claimed in claim 2, it is characterized in that: described lathe multi-axis motion controller is the M70 digital control system that MIT produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234423 CN202846256U (en) | 2012-05-23 | 2012-05-23 | Electronic gear controller of gear hobbing machine transmission chains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234423 CN202846256U (en) | 2012-05-23 | 2012-05-23 | Electronic gear controller of gear hobbing machine transmission chains |
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| Publication Number | Publication Date |
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| CN202846256U true CN202846256U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220234423 Withdrawn - After Issue CN202846256U (en) | 2012-05-23 | 2012-05-23 | Electronic gear controller of gear hobbing machine transmission chains |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689228A (en) * | 2012-05-23 | 2012-09-26 | 辽宁西格马数控机床有限公司 | Electronic gear controller of gear hobbing machine transmission chain |
-
2012
- 2012-05-23 CN CN 201220234423 patent/CN202846256U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689228A (en) * | 2012-05-23 | 2012-09-26 | 辽宁西格马数控机床有限公司 | Electronic gear controller of gear hobbing machine transmission chain |
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Granted publication date: 20130403 Effective date of abandoning: 20140604 |
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