CN202964301U - Hob grinding machine - Google Patents

Hob grinding machine Download PDF

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Publication number
CN202964301U
CN202964301U CN 201220716061 CN201220716061U CN202964301U CN 202964301 U CN202964301 U CN 202964301U CN 201220716061 CN201220716061 CN 201220716061 CN 201220716061 U CN201220716061 U CN 201220716061U CN 202964301 U CN202964301 U CN 202964301U
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CN
China
Prior art keywords
motor
vertical
hobboing cutter
encoder
connects
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Withdrawn - After Issue
Application number
CN 201220716061
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Chinese (zh)
Inventor
李绣峰
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李绣峰
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Priority to CN 201220716061 priority Critical patent/CN202964301U/en
Application granted granted Critical
Publication of CN202964301U publication Critical patent/CN202964301U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model relates to a hob grinding machine comprising a relieving lathe. A transversal slide plate which can be transversely moved and a longitudinal slide plate which can be longitudinally moved are arranged on the relieving lathe. A grinding head of the hob is controlled to move transversely by the transversal slide plate and to move longitudinally by the longitudinal slide plate. A spindle which can drive a workpiece to rotate is arranged on the relieving lathe, and is connected to a spindle motor. The transversal slide plate is connected to a transversal motor, and the longitudinal slide plate is connected to a longitudinal motor. The spindle is connected to an encoder which serves as a pulse generator, and the encoder is connected to a single-chip processor through a signal line. The spindle motor is driven by signals outputted by the single-chip processor which can calculate the number of pulses driving the transversal motor and the longitudinal motor according to input signals of the encoder. The single-chip processor is connected to the spindle motor through a spindle motor driving module, is connected to the transversal motor through a transversal motor driving module, and is connected to the longitudinal motor through a longitudinal motor driving module.

Description

The hobboing cutter milling drum
Technical field
The utility model relates to a kind of hobboing cutter milling drum.
Background technology
Hobboing cutter is for machining gears, turbine or other cutters with the tooth workpiece.At present the grinding that grinding machine head is realized hobboing cutter is installed usually additional in hobboing cutter manufacturer on relieving lathe.This relieving lathe comprises a spindle motor, this spindle motor drives main shaft and rotates, main shaft drives the hobboing cutter rotation, the motion of main shaft of relieving lathe and the transverse shifting of cross slide/vertically vertically moving of planker is the engaged transmission that realizes by gear transmission chain, main shaft and cross slide/vertically the transmission accuracy between planker depends on this gear transmission chain precision, and actual conditions are required precisions that this precision can not satisfy the hobboing cutter pitch.
The utility model content
The problems referred to above that exist in order to solve existing hobboing cutter organisation of working, the utility model provide a kind of hobboing cutter milling drum that machining accuracy is improved.
The utility model adopts following technical scheme:
the hobboing cutter milling drum, comprise relieving lathe, the vertical planker that is provided with transversely movable cross slide on relieving lathe and can vertically moves, cross slide is controlled the lateral displacement of the bistrique of grinding hobboing cutter, vertically planker is controlled the length travel of the bistrique of grinding hobboing cutter, also be provided with the main shaft that drives workpiece rotating on relieving lathe, this main shaft connects spindle motor, described cross slide connects cross motor, described vertical planker connects vertical motor, described main shaft connects the encoder as impulse generator, encoder connects single-chip microcomputer by holding wire, the uniform rotation of described single-chip microcomputer output signal drives spindle motor, single-chip microcomputer calculates respectively the driving cross motor according to the input signal of encoder, the umber of pulse of vertical motor, single-chip microcomputer connects spindle motor by the spindle motor driver module, connect cross motor by the cross motor driver module, connect vertical motor by vertical motor drive module.
Further, described main shaft connects encoder by transmission mechanism, and this transmission mechanism is speed increasing mechanism.
Further, described transmission mechanism is synchronous belt drive mechanism, and this tape handler comprises the active synchronization belt wheel that is connected with main shaft and the driven synchronous pulley that is connected with encoder, described active synchronization belt wheel be connected synchronous pulley and connect by toothed belt transmission.
Further, described cross slide slides on vertical planker, and described bistrique is housed on cross slide.
Further, also be provided with dump block in described single-chip microcomputer, dump block be used for the active synchronization belt wheel often revolve turn around rear to the encoder pulse zero clearing.
Preferably, the speed increasing ratio of described synchronous belt drive mechanism is 1:4.
Preferably, described encoder is 2500 pulses/turn.
Preferably, described spindle motor, cross motor and vertical motor are servomotor.
Preferably, described cross slide connects cross motor by the first transmission mechanism, this first transmission mechanism comprise the first nut of being connected with cross motor, with the first screw rod that horizontal supporting plate is connected, the first nut is connected with the first screw flight.
Preferably, described vertical planker connects vertical motor by the second transmission mechanism, this second transmission mechanism comprise the second nut of being connected with vertical motor, with the second screw rod that vertical supporting plate is connected, the second nut is connected with the second screw flight.
The beneficial effects of the utility model are: single-chip microcomputer calculates the pulse of drives spindle motor uniform rotation, make the main shaft uniform rotation, main shaft connects encoder by transmission mechanism, the output pulse of encoder is input in single-chip microcomputer, single-chip microcomputer calculates the rotational angle that drives cross motor, the vertically umber of pulse of motor, and then control cross motor, vertical motor.Compared to the prior art, except identical spindle motor, also set up cross motor and vertical motor, and controlled the rotational angle of spindle motor, cross motor and vertical motor by the mode of numerical control, and then controlled cross slide and the vertically movement of planker.Like this, be no longer to control cross slide and the vertically movement of planker by the low gear transmission chain of precision, the machining accuracy of hobboing cutter is improved.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
Drawing reference numeral: 1-relieving lathe; The 2-cross slide; The vertical planker of 3-; The 4-bistrique; The 5-main shaft; The 6-cross motor; The vertical motor of 7-; The 8-encoder; 9-active synchronization belt wheel; The driven synchronous pulley of 10-.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
with reference to Fig. 1-2: the hobboing cutter milling drum, comprise relieving lathe 1, the vertical planker 3 that is provided with transversely movable cross slide 2 on relieving lathe 1 and can vertically moves, described cross slide 2 slides on vertical planker 3, the bistrique 4 of grinding hobboing cutter is housed on cross slide 2, cross slide 2 is controlled the lateral displacement of bistrique 4, and vertically planker 3 is controlled the length travel of bistrique 4, also be provided with the main shaft 5 that drives workpiece rotating on relieving lathe 1, this main shaft 5 connects spindle motors and (is positioned at relieving lathe inside, not shown), described cross slide 2 connects cross motor 6, described vertical planker 3 connects vertical motor 7, the encoder 8 that described main shaft 5 connects as impulse generator, encoder 8 connects single-chip microcomputer by holding wire, the uniform rotation of described single-chip microcomputer output pulsed drive spindle motor, and then calculate respectively driving cross motor 6 according to the input signal of encoder 8, the umber of pulse of vertical motor 7, single-chip microcomputer connects spindle motor by the spindle motor driver module, connect cross motor 6 by the cross motor driver module, connect vertical motor 7 by vertical motor drive module.Spindle motor driver module, cross motor driver module and vertical motor drive module play to single-chip microcomputer output pulse the effect that signal amplifies.After signal amplifies, spindle motor, cross motor and vertical motor are felt the pulse rush in the certain speed of row and the rotation of angle.The rotational angle of cross motor determines by umber of pulse, and the rotating speed of cross motor determines by pulse frequency, and spindle motor, vertically motor is also similar.
Described main shaft 5 connects encoder 8 by transmission mechanism, and this transmission mechanism is speed increasing mechanism.Concrete, described transmission mechanism is synchronous belt drive mechanism, this synchronous belt drive mechanism comprises the active synchronization belt wheel 9 that is connected with main shaft 5 and the driven synchronous pulley 10 that is connected with encoder 8, described active synchronization belt wheel 9 be connected synchronous pulley 10 and connect by Timing Belt.In the present embodiment, the speed increasing ratio of described synchronous belt drive mechanism is 1:4, and described encoder 8 is 2500 pulses/turn, active synchronization belt wheel 9 turns around, and driven synchronous pulley 10 turns four circles, therefore, active synchronization belt wheel 9 often turns around, and encoder 8 produces 10000 pulses.Why the mode by the tape handler speedup connects encoder 8, be because 2500 pulses on the market/encoder that turns is easy to buy, price is also cheap, the encoder of and 10000 pulses/turn is difficult for having bought, and expensive.And design active synchronization belt wheel often turns around, 10000 pulses of encoder output, to consider for precision, the pitch of supposing often to turn around the active synchronization belt wheel (namely main shaft often turns around) advancing is 5 millimeters, precision is exactly 5 millimeters/10000 pulses, namely 0.5 μ m/ pulse, if main shaft often turns around, impulse generator is only exported 2500 pulses, its precision is 5 millimeters/2500 pulses so, namely 2 μ m/ pulses, as seen, the precision of the impulse generator of 10000 pulses/turn the obviously precision than the impulse generator of 2500 pulses/turn is high.
In the present embodiment, also be provided with dump block in described single-chip microcomputer, dump block be used for the active synchronization belt wheel often revolve turn around rear to the encoder pulse zero clearing.After active synchronization belt wheel 9 often turns around, encoder 8 outputs have the error of several pulses, if not zero clearing, encoder pulse constantly adds up, and error can be increasing, and therefore dump block is set in single-chip microcomputer, the active synchronization belt wheel often turns around, to encoder tanks once, like this, encoder also just only has the error of several pulses.
In the present embodiment, described cross slide 2 connects cross motor by the first transmission mechanism, this first transmission mechanism comprises the first nut that is connected with cross motor 6, the first screw rod that is connected with horizontal supporting plate 2, the first nut is connected with the first screw flight, with this, cross motor 6 is controlled cross slide 2 transverse shiftings; Described vertical planker 3 connects vertical motor 7 by the second transmission mechanism, this second transmission mechanism comprises the second nut that is connected with vertical motor 7, the second screw rod that is connected with vertical supporting plate 3, the second nut is connected with the second screw flight, and with this, vertically the motor 7 vertical plankers 3 of control vertically move.In the present embodiment, described the first nut, the second nut adopt ball nut, and described the first screw rod, the second screw rod adopt ball screw.
In the present embodiment, described spindle motor, cross motor 6 and vertical motor 7 are servomotor.Described spindle motor, cross motor 6 and vertical motor 7 can be also stepper motors.
In the present embodiment, single-chip microcomputer output pulsed drive spindle motor uniform rotation (being main shaft 5 uniform rotation), main shaft 5 connects encoder 8 by synchronous belt drive mechanism, the output pulse of encoder 8 is input in single-chip microcomputer, single-chip microcomputer calculates the umber of pulse that drives cross motor 6, vertical motor 7, and then control cross motor 6, the vertical rotational angle of motor 7, cross motor 6 and vertically the rotating speed of motor 7 controlled by the pulse frequency of single-chip microcomputer output.Compared to the prior art, except identical spindle motor, also set up cross motor 6 and vertical motor 7, and controlled the rotational angle of spindle motor, cross motor 6 and vertical motor 7 by the mode of numerical control, and then controlled cross slide 2 and the vertically movement of planker 3.Like this, be no longer to control cross slide 2 and the vertically movement of planker 3 by the low gear transmission chain of precision, the machining accuracy of hobboing cutter is improved.
In addition, selected servomotor in system (spindle motor, cross motor 6, vertical motor 7) is the motor with brake apparatus, and single-chip microcomputer can be braked spindle motor, cross motor 6, vertical motor 7 respectively by spindle motor driver module, cross motor driver module, vertical motor drive module.Before the purpose of braking was that machine for making gear teeth is shut down, single-chip microcomputer was recorded the parameter of machine for making gear teeth, and after the machine for making gear teeth outage, the position of spindle motor, cross motor and vertical motor remains unchanged.When machine for making gear teeth started again, machine for making gear teeth can work on by the parameter of last registration, and saves the work that the each startup of machine for making gear teeth all needs clear point or tool setting.
Above-described embodiment is only enumerating of the utility model technical conceive way of realization; protection domain of the present utility model is not limited only to above-described embodiment, and protection domain of the present utility model may extend to those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present utility model.

Claims (10)

1. hobboing cutter milling drum, comprise relieving lathe, the vertical planker that is provided with transversely movable cross slide on relieving lathe and can vertically moves, cross slide is controlled the lateral displacement of the bistrique of grinding hobboing cutter, vertically planker is controlled the length travel of the bistrique of grinding hobboing cutter, also be provided with the main shaft that drives workpiece rotating on relieving lathe, this main shaft connects spindle motor, it is characterized in that: described cross slide connects cross motor, described vertical planker connects vertical motor, described main shaft connects the encoder as impulse generator, encoder connects single-chip microcomputer by holding wire, the uniform rotation of described single-chip microcomputer output signal drives spindle motor, single-chip microcomputer calculates respectively the driving cross motor according to the input signal of encoder, the umber of pulse of vertical motor, single-chip microcomputer connects spindle motor by the spindle motor driver module, connect cross motor by the cross motor driver module, connect vertical motor by vertical motor drive module.
2. hobboing cutter milling drum as claimed in claim 1, it is characterized in that: described main shaft connects encoder by transmission mechanism, and this transmission mechanism is speed increasing mechanism.
3. hobboing cutter milling drum as claimed in claim 2, it is characterized in that: described transmission mechanism is synchronous belt drive mechanism, this synchronous belt drive mechanism comprises the active synchronization belt wheel that is connected with main shaft and the driven synchronous pulley that is connected with encoder, described active synchronization belt wheel be connected synchronous pulley and connect by toothed belt transmission.
4. hobboing cutter milling drum as described in one of claim 1-3 is characterized in that: described cross slide slides on vertical planker, and described bistrique is housed on cross slide.
5. hobboing cutter milling drum as claimed in claim 4 is characterized in that: also be provided with dump block in described single-chip microcomputer, dump block be used for the active synchronization belt wheel often revolve turn around rear to the encoder pulse zero clearing.
6. hobboing cutter milling drum as claimed in claim 5, it is characterized in that: the speed increasing ratio of described synchronous belt drive mechanism is 1:4.
7. hobboing cutter milling drum as claimed in claim 6 is characterized in that: described encoder is 2500 pulses/turn.
8. hobboing cutter milling drum as claimed in claim 6 is characterized in that: described spindle motor, cross motor and vertically motor be servomotor.
9. hobboing cutter milling drum as claimed in claim 1, it is characterized in that: described cross slide connects cross motor by the first transmission mechanism, this first transmission mechanism comprises the first nut of being connected with cross motor, the first screw rod that is connected with horizontal supporting plate, and the first nut is connected with the first screw flight.
10. hobboing cutter milling drum as claimed in claim 9, it is characterized in that: described vertical planker connects vertical motor by the second transmission mechanism, this second transmission mechanism comprises the second nut of being connected with vertical motor, the second screw rod that is connected with vertical supporting plate, and the second nut is connected with the second screw flight.
CN 201220716061 2012-12-21 2012-12-21 Hob grinding machine Withdrawn - After Issue CN202964301U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220716061 CN202964301U (en) 2012-12-21 2012-12-21 Hob grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220716061 CN202964301U (en) 2012-12-21 2012-12-21 Hob grinding machine

Publications (1)

Publication Number Publication Date
CN202964301U true CN202964301U (en) 2013-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220716061 Withdrawn - After Issue CN202964301U (en) 2012-12-21 2012-12-21 Hob grinding machine

Country Status (1)

Country Link
CN (1) CN202964301U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102975087A (en) * 2012-12-21 2013-03-20 李绣峰 Hob grinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102975087A (en) * 2012-12-21 2013-03-20 李绣峰 Hob grinder
CN102975087B (en) * 2012-12-21 2015-04-15 李绣峰 Hob grinder

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AV01 Patent right actively abandoned

Granted publication date: 20130605

Effective date of abandoning: 20150415

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