CN109877651A - A kind of space flight fastener numerical control turning measurement feedback device - Google Patents
A kind of space flight fastener numerical control turning measurement feedback device Download PDFInfo
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- CN109877651A CN109877651A CN201910082946.XA CN201910082946A CN109877651A CN 109877651 A CN109877651 A CN 109877651A CN 201910082946 A CN201910082946 A CN 201910082946A CN 109877651 A CN109877651 A CN 109877651A
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Abstract
The invention discloses a kind of space flight fastener numerical control turnings to measure feedback device, the present invention can measure feedback to the distance of its feed according to the first measuring mechanism and the second measuring mechanism, operator is facilitated to understand in processing the size of workpiece, one can be played with reference to the effect with correction positioning in positioning sleeve of the invention, it is easy to understand from that and starts counting, be effectively increased the precision of its measurement；Second measuring mechanism of the invention includes outer reference laser ranging mechanism and interior precise distance measurement mechanism, when the difference of the measured value of interior precise distance measurement mechanism and the measured value of outer reference laser ranging mechanism is within given threshold, the measured value of interior precise distance measurement mechanism is just fed back to the controller of lathe by the second measuring mechanism, the depth of cut processed every time when processing can be greatly improved, the problem for preventing the measurement inaccuracy for occurring situations such as accident in measuring device, prevents workpiece scrap problem caused by depth of cut mistake.
Description
Technical field
The present invention relates to space flight fastener turning to measure feedback device technical field, specifically a kind of space flight fastener numerical control
Turning measures feedback device.
Background technique
Aviation fixing piece is as aerospace field, therefore the accuracy to size of its fixing piece requires very high, fixing piece
Need ceaselessly to measure its size in turning, for example fixed pin does not only need to ensure that its outer diameter, circle when processing is with measurement
That spends is accurate, moreover, being required to accurately measure for each depth of cut etc. in its turning process.Current measurement is generally compared
More fairly simple, general to be completed using naked eyes, this mode cannot achieve automatic control, moreover, low measurement accuracy, although
There are the measurement sensors such as some optics, electromagnetism at present, still, electromagnetic measurement is highly susceptible to the influence of electromagnetism, especially
When processing the metal materials such as steel, and optical measuring device is general at present fairly simple, and using simple laser ranging, this is former
Reason is highly susceptible to the influence of iron filings or sundries etc., and after being affected although this structure is convenient, due to
It is to automatically control, it is difficult to find in real time, and then cause to go wrong in process, slightly mistake, for aviation fixing piece
This higher part of precision prescribed, will lead to scrap.
Therefore, the present invention provides a kind of space flight fastener numerical control turnings to measure feedback device, to solve above-mentioned background skill
The problem of being proposed in art.
Summary of the invention
The purpose of the present invention is to provide a kind of space flight fastener numerical control turnings to measure feedback device, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of space flight fastener numerical control turning measurement feedback
Device is mounted on the cross feed device and longitudinal feeding device of lathe, for use in the turning for measuring and feeding back lathe
The lateral feed and length feed amount of cutter realize that this is anti-to the traverse feed of lathe and the feedback control of length feed in turn
Feedback device can also measure the circularity or eccentricity to turning position of space flight fastener；It includes the first measuring machine
Structure, the second measuring mechanism and circularity or eccentricity measuring mechanism, which is characterized in that first measuring mechanism, the second measurement
Mechanism and circularity or the equal integrated installation of eccentricity measuring mechanism are in the horizontal slide unit of lathe；
First measuring mechanism is for measuring transverse direction of the horizontal slide unit on the left and right length direction of the lathe
The amount of feeding；The length feed knife rest that second measuring mechanism is used to measure in the horizontal slide unit is indulged before and after the lathe
Length feed amount on direction, the length feed amount structure are set as the depth of cut of the machining to space flight fastener；Wherein,
First measuring mechanism is measured using meter counter structure；
Second measuring mechanism includes outer reference laser ranging mechanism and interior precise distance measurement mechanism, the interior precise distance measurement
When the difference of the measured value of mechanism and the measured value of the outer reference laser ranging mechanism is within given threshold, second measurement
The measured value of interior precise distance measurement mechanism is just fed back to the controller of lathe by mechanism；
The adjusting position that the circularity or eccentricity measuring mechanism can stretch, and can abutting contact in space flight fasten
The outer surface of part working position, in order to to space flight fastener working position circularity or the degree of eccentricity measure.
As further scheme of the invention: the outside of second measuring mechanism is additionally provided with scale, in order to people
Work observes its measured value.
As further scheme of the invention: second measuring mechanism further includes fixing seat, round tube and movable sleeve, institute
The one end for stating round tube is fixed on the fixing seat, and the fixing seat is fixed on the fixed block in horizontal slide unit, the activity
Set is fixed on the knife rest of installation cutter, and the movable sleeve is coaxially slidably movably set on the round tube, the circle
It is carved with the graduation mark for showing the movable sleeve position in the surface of pipe.
As further scheme of the invention: second measuring mechanism further includes positioning sleeve, and the positioning sleeve is placed on
The outer surface insertion of the outside of round tube and the side for being located at close fixing seat, the positioning sleeve is provided with fastening bolt.
As the present invention further scheme: the outer reference laser ranging mechanism includes that laser emitter, laser connect
Receive device and ranging control processor, wherein the laser emitter be fixed at the positioning sleeve towards the movable sleeve
Side side wall on, the laser pickoff is fixed at the side wall of the side towards the positioning sleeve of the movable sleeve
On, and the position of the laser emitter, laser pickoff is corresponding, by the ranging control processor to the positioning sleeve
Relative distance between the movable sleeve measures.
As the present invention further scheme: the interior precise distance measurement mechanism include inner stationary shaft, inner light beam sensor,
Inner light beam transmitter and interior ranging data processor, wherein the inner stationary shaft is coaxially set in the round tube, and the circle
Direction is provided with bar shaped seam axially along on pipe, and the radially inner side of the movable sleeve is provided with sliding shoe, and the sliding shoe is stretched
Enter and the sliding in the bar shaped is stitched, the inner wall of the sliding shoe be provided with inner light beam transmitter, on the inner stationary shaft along
Its axial direction is provided with inner light beam sensor, and the inner light beam covers disposed on sensor is equipped with interval along the axial cloth of inner stationary shaft
The probe set, the position of each probe constitutes axial coordinate, and the distance of two neighboring probe is measurement accuracy unit value, described
Interior ranging data processor can obtain between the movable sleeve and positioning sleeve according to the coordinate of the probe of received light beam
Be mutually shifted distance.
As further scheme of the invention: the inner light beam transmitter on the sliding shoe includes disposed in parallel more
It is a, and the width of multiple inner light beam transmitters composition is greater than times of the distance of two neighboring probe, the interior ranging data processing
Device obtains the phase between the movable sleeve and positioning sleeve according to the average value of the coordinate for the multiple probes that can receive light beam
Mutual moving distance.
As further scheme of the invention: first measuring mechanism includes bracket, the rear side rotation of the bracket
It is connected with the rice counting wheel to fit with guide post, and the installed in front of bracket has mounting rack, the rear side of the mounting rack is located at end
Meter counter sensor is installed at portion position, is embedded in and sets at the position of the corresponding meter counter sensor of the front surface of the rice counting wheel
It is equipped with the permanent magnet being matched therewith, the signal output end of the meter counter sensor is connected with the input terminal of meter counter, described
The outer ring of rice counting wheel is enclosed with anti-slop serrations layer.
As the present invention further scheme: the circularity or eccentricity measuring mechanism include vertical rack, level
Bracket, microadjustment precision expansion bend and electronic centigrade scale, wherein the vertical rack is fixed on the tool rack, the vertical rack
Upper end is fixedly connected with horizontal bracket, and the front end of the horizontal bracket is provided with electronic centigrade scale using microadjustment precision expansion bend,
The contact pilotage of the electronic centigrade scale is abutted with workpiece surface.
As further scheme of the invention: the front surface of the lathe is provided with linear feeding screw rod mould group, described
Horizontal slide unit is driven by the linear feeding screw rod mould group and is moved, and the upper surface of the horizontal slide unit is fixedly installed with positioning table,
The side that first measuring mechanism is mounted on horizontal slide unit is located at the following position directly of guide post, the upper sliding of the slide unit
It is connected with knife rest, the upper surface of the knife rest is equipped with cutter, and second measuring mechanism is mounted on the positioning table and knife rest
Between.
Compared with prior art, the beneficial effects of the present invention are:
(1) the use of the new type is novel in design, and structure is simple, easy to use, and slide unit and horizontal slide unit are in band cutter to work
When part is cut, the distance of its feed can be measured instead according to the first measuring mechanism and the second measuring mechanism
Feedback facilitates operator to understand in processing the size of workpiece, solves operator in traditional turning and need not stop
Shutdown measurement the problem of, reduce labor intensity, effectively raise working efficiency, while when in use first moving positioning sleeve
It moves to movable sleeve and is bonded, after the completion of positioning sleeve is mobile, be fixed by fastening bolt, a reference and correction can be played
The effect of positioning, is easy to understand from that and starts counting, and is effectively increased the precision of its measurement；
(2) the second measuring mechanism of the invention includes outer reference laser ranging mechanism and interior precise distance measurement mechanism, interior accurate survey
When the difference of the measured value of spacing mechanism and the measured value of outer reference laser ranging mechanism is within given threshold, the second measuring mechanism is
The controller that the measured value of interior precise distance measurement mechanism is fed back to lathe is processed every time when in this way, processing can be greatly improved
The depth of cut, meanwhile, prevent from occurring in measuring device the problem of the measurement inaccuracy of situations such as accident, prevent depth of cut mistake from leading
The workpiece scrap problem of cause；
(3) present invention can also circularity to space flight fastener working position or the degree of eccentricity measure, the side of improving
Just property, and the integrated installation of each measuring device of the invention, structure is simple, easy to maintain.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of space flight fastener numerical control turning measures feedback device；
Fig. 2 is the enlarged drawing that a kind of space flight fastener numerical control turning measures part A in feedback device Fig. 1；
Fig. 3 is the structural schematic diagram that a kind of space flight fastener numerical control turning measures the first measuring mechanism in feedback device；
Fig. 4 is the external structure signal that a kind of space flight fastener numerical control turning measures the second measuring mechanism in feedback device
Figure.
Fig. 5 is a kind of internal structure signal for the second measuring mechanism that space flight fastener numerical control turning measures feedback device
Figure；
Fig. 6 is a kind of enlarged structure signal for the inner light beam transmitter that space flight fastener numerical control turning measures feedback device
Figure；
Fig. 7 is that a kind of space flight fastener numerical control turning measures the circularity of feedback device or eccentricity measuring mechanism structure is shown
It is intended to.
Specific embodiment
Please refer to Fig. 1~7, in the embodiment of the present invention, a kind of space flight fastener numerical control turning measures feedback device, installation
On the cross feed device and longitudinal feeding device of lathe 1, for use in measure and feed back lathe 1 turning cutting tool 5 cross
To the amount of feeding and length feed amount and then realize to the traverse feed of lathe 1 and the feedback control of length feed, the feedback device
The circularity or eccentricity to turning position of space flight fastener can also be measured；It includes the first measuring mechanism 3,
Two measuring mechanisms 6 and circularity or eccentricity measuring mechanism 9, which is characterized in that first measuring mechanism 3, the second measuring machine
Structure 6 and circularity or the equal integrated installation of eccentricity measuring mechanism 9 are in the horizontal slide unit 4 of lathe 1；
First measuring mechanism 3 is for measuring cross of the horizontal slide unit 4 on the left and right length direction of the lathe 1
To the amount of feeding；Second measuring mechanism 6 is used to measure the length feed knife rest in the horizontal slide unit 4 in the lathe 1
Length feed amount on the longitudinal direction of front and back, the length feed amount structure are set as the depth of cut of the machining to space flight fastener；
Wherein, first measuring mechanism 3 is measured using meter counter structure；Second measuring mechanism 6 includes outer reference laser
Ranging mechanism and interior precise distance measurement mechanism, the measured value of the interior precise distance measurement mechanism and the outer reference laser ranging mechanism
When the difference of measured value is within given threshold, 6 ability of the second measuring mechanism feeds back to the measured value of interior precise distance measurement mechanism
The controller of lathe；
The adjusting position that the circularity or eccentricity measuring mechanism 9 can stretch, and can abutting contact it is tight in space flight
The outer surface of firmware working position, in order to to space flight fastener working position circularity or the degree of eccentricity measure.
In the present embodiment, for the ease of the observation of operator in process, second measuring mechanism 6 it is outer
Portion is additionally provided with scale, in order to its measured value of artificial observation.
As preferred embodiment, second measuring mechanism 6 further includes fixing seat 61, round tube 63 and movable sleeve 65, institute
The one end for stating round tube 63 is fixed in the fixing seat 61, and the fixing seat 61 is fixed on the fixed block in horizontal slide unit 4, institute
It states movable sleeve 65 to be fixed on the knife rest of installation cutter, and the movable sleeve 65 is coaxially slidably movably set in the round tube
On 63, the graduation mark 64 for showing the movable sleeve position is carved on the surface of the round tube 63.
Wherein, second measuring mechanism 6 further includes positioning sleeve 62, and the positioning sleeve 62 is placed on outside and the position of round tube 63
In the side close to fixing seat 61, the outer surface insertion of the positioning sleeve 62 is provided with fastening bolt.
As more preferably embodiment, the outer reference laser ranging mechanism includes laser emitter 66, laser pickoff 68
With ranging control processor, wherein the laser emitter 66 be fixed at the positioning sleeve 62 towards the movable sleeve
On the side wall of 65 side, the laser pickoff 68 be fixed at the movable sleeve 65 towards the one of the positioning sleeve 62
On the side wall of side, and the position of the laser emitter 66, laser pickoff 68 is corresponding, passes through the ranging control processor
Relative distance between the positioning sleeve 62 and the movable sleeve 65 is measured.
In addition, in the present invention, the interior precise distance measurement mechanism includes inner stationary shaft 67, inner light beam sensor 69, interior light
Beam transmitter 650 and interior ranging data processor, wherein the inner stationary shaft 67 is coaxially set in the round tube, and described
Direction is provided with bar shaped seam axially along on round tube, and the radially inner side of the movable sleeve 65 is provided with sliding shoe, the sliding
Block protrudes into and the sliding in the bar shaped is stitched, the inner wall of the sliding shoe are provided with inner light beam transmitter 650, the inner stationary shaft
Direction is provided with inner light beam sensor 69 axially along on 67, and interval is provided on the inner light beam sensor 69 along interior solid
The probe of dead axle axially arranged, the position of each probe constitutes axial coordinate, and the distance of two neighboring probe is measurement essence
Unit value is spent, the interior ranging data processor can obtain the movable sleeve according to the coordinate of the probe of received light beam
Distance is mutually shifted between positioning sleeve.
Wherein, the inner light beam transmitter 69 on the sliding shoe includes disposed in parallel multiple, and multiple inner light beams emit
The width that device 69 forms is greater than 2 times of distance of two neighboring probe, and the interior ranging data processor is according to can receive
The average value of the coordinate of multiple probes of light beam is mutually shifted distance between the movable sleeve and positioning sleeve to obtain.
In the present embodiment, first measuring mechanism 3 include bracket 31, the rear side of the bracket 31 be rotatably connected to
The rice counting wheel 35 that guide post 2 fits, and the installed in front of bracket 31 has mounting rack 32, the rear side of the mounting rack 32 is located at end
Meter counter sensor 33 is installed, at the position of the corresponding meter counter sensor 33 of the front surface of the rice counting wheel 35 at portion position
Insertion is provided with the permanent magnet 36 being matched therewith, the input of the signal output end and meter counter 34 of the meter counter sensor 33
End is connected, and the outer ring of the rice counting wheel 35 is enclosed with anti-slop serrations layer.
The circularity or eccentricity measuring mechanism 9 include vertical rack 91, horizontal bracket 92, microadjustment precision expansion bend 93
With electronic centigrade scale 94, wherein the vertical rack 91 is fixed on the tool rack, and 91 upper end of vertical rack is fixedly connected with
The front end of horizontal bracket 92, the horizontal bracket 92 is provided with electronic centigrade scale 94, the electricity using microadjustment precision expansion bend 93
The contact pilotage 95 of sub- dial gauge 94 is abutted with workpiece surface.The front surface of the lathe 1 is provided with linear feeding screw rod mould group 2, institute
It states horizontal slide unit 4 and movement is driven by the linear feeding screw rod mould group 2, the upper surface of the horizontal slide unit 4 is fixedly installed with fixed
Position platform 7, the side that first measuring mechanism 3 is mounted on horizontal slide unit 4 are located at the following position directly of guide post 2, the cunning
Knife rest 8 is slidably connected on platform 7, the upper surface of the knife rest 8 is equipped with cutter 5, and second measuring mechanism is mounted on institute
It states between positioning table and knife rest 8
When the present invention obtains distance and Tool in Cutting that cutter 5 is cut according to the distance that movable sleeve 65 slides
Tool advance amount, without shut down measurement, cutting while concern movable sleeve 65 sliding distance can grasp cutting away from
From, to reduce labor intensity, work pieces process can be made to get up more handy, effectively raise working efficiency,
The present invention is measured using the rice counting wheel of electromagnetic principle, can be suitble to long workpiece, especially for space flight fastener
This larger-size structure, it is more convenient.
The working principle of the invention is: will be mounted on lathe 1 with workpieces processing first, and pass through horizontal slide unit 4 and positioning
Platform 7 cuts it with cutter, and when moving, rice counting wheel 35 can carry out fitting along the direction of guide post 2 and turn horizontal slide unit 4
Dynamic, it is a circle, meter counter sensor 33 that the permanent magnet 36 in rotation of rice counting wheel 35 is overlapped side with meter counter sensor 33 every time
Signal can be passed to meter counter 34, moving distance is fed back the display window on surface by meter counter 34 after converting by CMOS chip
Mouthful, facilitate operator watch understand, the second measuring mechanism 6 when in use, first by positioning sleeve 62 be moved to slide unit 7 side and
It is bonded with movable sleeve 65, movable sleeve 65 and slide unit 7 are corrected to flushing, and pass through fastening spiral shell after the completion of positioning sleeve 62 is mobile
Bolt is fixed, and can play the effect of a positioning, be easy to understand from that and start counting, and is effectively increased the essence of its measurement
Accuracy, when 5 feed turning of cutter on toolframe 8, movable sleeve 65 slides on round tube 63, the distance slided according to movable sleeve 65
So as to obtain the distance of the cutting of cutter 5, without shutting down measurement, the sliding distance of movable sleeve 65 is paid close attention to just while cutting
Cutting distance can be grasped, to reduce labor intensity, work pieces process can be made to get up more handy, effectively mentioned
High working efficiency.Moreover, the second measuring mechanism 6 includes outer reference laser ranging mechanism and interior precise distance measurement mechanism, it is described interior
It is described when the difference of the measured value of precise distance measurement mechanism and the measured value of the outer reference laser ranging mechanism is within given threshold
The measured value of interior precise distance measurement mechanism is fed back to the controller of lathe by 6 ability of the second measuring mechanism, can prevent feed from measuring
To lead to occur deviation excessive due to unexpected in journey, after processing, without dismantling workpiece, i.e., using circularity or bias
It is flexible away from measuring mechanism 9, so that abutting contact is in the outer surface of space flight fastener working position, to space flight fastener processing department
The circularity or the degree of eccentricity of position measure.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of space flight fastener numerical control turning measures feedback device, it is mounted on cross feed device and the longitudinal direction of lathe (1)
On feed arrangement, for use in the turning cutting tool (5) for measuring and feeding back lathe (1) lateral feed and length feed amount in turn
Realize to the traverse feed of lathe (1) and the feedback control of length feed, the feedback device can also to space flight fastener to
The circularity or eccentricity at turning position measure；It includes the first measuring mechanism (3), the second measuring mechanism (6) and circularity
Or eccentricity measuring mechanism (9), which is characterized in that first measuring mechanism (3), the second measuring mechanism (6) and circularity or
Person's eccentricity measuring mechanism (9) integrated installation is in the horizontal slide unit (4) of lathe (1)；
First measuring mechanism (3) is for measuring the horizontal slide unit (4) on the left and right length direction of the lathe (1)
Lateral feed；Second measuring mechanism (6) is used to measure the length feed knife rest on the horizontal slide unit (4) in the machine
Length feed amount on the front and back longitudinal direction of bed (1), the length feed amount structure are set as to the machining of space flight fastener
The depth of cut；Wherein,
First measuring mechanism (3) is measured using meter counter structure；
Second measuring mechanism (6) includes outer reference laser ranging mechanism and interior precise distance measurement mechanism, the interior precise distance measurement
When the difference of the measured value of mechanism and the measured value of the outer reference laser ranging mechanism is within given threshold, second measurement
The measured value of interior precise distance measurement mechanism is just fed back to the controller of lathe by mechanism (6)；
The adjusting position that the circularity or eccentricity measuring mechanism (9) can stretch, and can abutting contact in space flight fasten
The outer surface of part working position, in order to to space flight fastener working position circularity or the degree of eccentricity measure.
2. a kind of space flight fastener numerical control turning according to claim 1 measures feedback device, which is characterized in that described the
The outside of two measuring mechanisms (6) is additionally provided with scale, in order to its measured value of artificial observation.
3. a kind of space flight fastener numerical control turning according to claim 2 measures feedback device, which is characterized in that described the
Two measuring mechanisms (6) further include fixing seat (61), round tube (63) and movable sleeve (65), and one end of the round tube (63) is fixed on institute
It states on fixing seat (61), the fixing seat (61) is fixed on the fixed block on horizontal slide unit (4), and the movable sleeve (65) is fixed
On the knife rest of installation cutter, and the movable sleeve (65) is coaxially slidably movably set on the round tube (63), described
It is carved with the graduation mark (64) for showing the movable sleeve position in the surface of round tube (63).
4. a kind of space flight fastener numerical control turning according to claim 3 measures feedback device, which is characterized in that described the
Two measuring mechanisms (6) further include positioning sleeve (62), and the positioning sleeve (62) is placed on the outside of round tube (63) and is located at close to fixed
The outer surface insertion of the side of seat (61), the positioning sleeve (62) is provided with fastening bolt.
5. a kind of space flight fastener numerical control turning according to claim 4 measures feedback device, which is characterized in that described outer
Reference laser ranging mechanism includes laser emitter (66), laser pickoff (68) and ranging control processor, wherein described to swash
Optical transmitting set (66) is fixed on the side wall of the side towards the movable sleeve (65) of the positioning sleeve (62), described to swash
Optical receiver (68) is fixed on the side wall of the side towards the positioning sleeve (62) of the movable sleeve (65), and described
Laser emitter (66), the position of laser pickoff (68) are corresponding, by the ranging control processor to the positioning sleeve
(62) relative distance between the movable sleeve (65) measures.
6. a kind of space flight fastener numerical control turning according to claim 4 measures feedback device, which is characterized in that in described
Precise distance measurement mechanism includes at inner stationary shaft (67), inner light beam sensor (69), inner light beam transmitter (650) and interior ranging data
Manage device, wherein the inner stationary shaft (67) is coaxially set in the round tube, and direction is arranged axially along on the round tube
There is bar shaped seam, the radially inner side of the movable sleeve (65) is provided with sliding shoe, and the sliding shoe protrudes into and in bar shaped seam
Sliding, the inner wall of the sliding shoe is provided with inner light beam transmitter (650), direction axially along on the inner stationary shaft (67)
It is provided with inner light beam sensor (69), interval is provided on the inner light beam sensor (69) and is arranged along the axial direction of inner stationary shaft
Probe, the position of each probe constitutes axial coordinate, and the distance of two neighboring probe is measurement accuracy unit value, it is described in
Ranging data processor can obtain between the movable sleeve and positioning sleeve according to the coordinate of the probe of received light beam
It is mutually shifted distance.
7. a kind of space flight fastener numerical control turning according to claim 6 measures feedback device, which is characterized in that the cunning
Inner light beam transmitter (69) on motion block includes disposed in parallel multiple, and the width of multiple inner light beam transmitters (69) composition is big
In 2 times of the distance of two neighboring probe, the interior ranging data processor is according to the multiple probes that can receive light beam
The average value of coordinate is mutually shifted distance between the movable sleeve and positioning sleeve to obtain.
8. a kind of space flight fastener numerical control turning according to claim 1 measures feedback device, which is characterized in that described the
One measuring mechanism (3) includes bracket (31), and the metering to fit with guide post (2) is rotatably connected on rear side of the bracket (31)
It takes turns (35), and the installed in front of bracket (31) has mounting rack (32), the rear side of the mounting rack (32), which is located at end position, pacifies
Equipped with meter counter sensor (33), it is embedded at the position of the corresponding meter counter sensor (33) of the front surface of the rice counting wheel (35)
It is provided with the permanent magnet (36) being matched therewith, the signal output end of the meter counter sensor (33) is defeated with meter counter (34)
Enter end to be connected, the outer ring of the rice counting wheel (35) is enclosed with anti-slop serrations layer.
9. a kind of space flight fastener numerical control turning according to claim 1 measures feedback device, which is characterized in that the circle
Degree or eccentricity measuring mechanism (9) include vertical rack (91), horizontal bracket (92), microadjustment precision expansion bend (93) and electronics
Dial gauge (94), wherein the vertical rack (91) is fixed on the tool rack, and vertical rack (91) upper end is fixedly connected with
The front end of horizontal bracket (92), the horizontal bracket (92) is provided with electronic centigrade scale using microadjustment precision expansion bend (93)
(94), the contact pilotage (95) of the electronic centigrade scale (94) is abutted with workpiece surface.
10. a kind of space flight fastener numerical control turning according to claim 1 measures feedback device, which is characterized in that described
The front surface of lathe (1) is provided with linear feeding screw rod mould group (2), and the horizontal slide unit (4) is by the linear feeding screw rod mould
Group (2) driving movement, the upper surface of the horizontal slide unit (4) are fixedly installed with positioning table (7), first measuring mechanism (3)
The side for being mounted on horizontal slide unit (4) is located at the following position directly of guide post (2), slidably connects on the slide unit (7)
The upper surface of knife rest (8), the knife rest (8) is equipped with cutter (5), and second measuring mechanism is mounted on the positioning table and knife
Between frame (8).
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