CN113819948B - Stepping motor detection equipment with screw rod - Google Patents
Stepping motor detection equipment with screw rod Download PDFInfo
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- CN113819948B CN113819948B CN202111097374.6A CN202111097374A CN113819948B CN 113819948 B CN113819948 B CN 113819948B CN 202111097374 A CN202111097374 A CN 202111097374A CN 113819948 B CN113819948 B CN 113819948B
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- 238000001514 detection method Methods 0.000 title claims abstract description 129
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 230000002950 deficient Effects 0.000 claims description 24
- 230000009191 jumping Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000006049 ring expansion reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The application relates to a stepping motor detection device. The method solves the technical problems of low detection efficiency and the like in the prior art. The working table of the lead screw runout detection device of the stepping motor is provided with a working position turntable which is rotationally connected with the working table, and the working position turntable is connected with a rotation driving mechanism; the outer edge of the upper surface of the station turntable is provided with a plurality of screw rod horizontal installation stations which are uniformly distributed in the circumference; the workbench is provided with a screw rod levelness detection device, a screw rod runout detection device, an impedance detection device and an insulation detection device which are positioned on the periphery of the station turntable. The application has the advantages that: the detection efficiency is improved.
Description
Technical Field
The application belongs to the technical field of detection of stepping motors, and particularly relates to a stepping motor detection device with a screw rod.
Background
The camera motor can utilize the stepping motor to perform anti-shake driving.
The stepping motor comprises a pole claw shell and a bearing arranged in the pole claw shell, an output shaft of the stepping motor is connected with a screw rod, two ends of the screw rod are rotatably connected with a bracket, and the assembled stepping motor and screw rod assembly are applied to anti-shake driving of the camera motor, so that the levelness, runout tolerance, impedance, insulation and the like of the screw rod are required to be fully checked.
The levelness, the runout, the impedance and the insulation performance of the stepping motor are detected by separate detection devices, and the detection of two adjacent steps needs mechanical or manual transfer, so that the efficiency is low.
Disclosure of Invention
The present application has been made in view of the above problems, and it is an object of the present application to provide a stepping motor detecting apparatus that can solve the above technical problems.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the stepping motor is used for an imaging motor.
This take step motor check out test set of lead screw includes:
the working table is provided with a station turntable which is rotationally connected with the working table, and the station turntable is connected with a rotation driving mechanism; the detection device is characterized by further comprising:
the outer edge of the upper surface of the station turntable is provided with a plurality of screw rod horizontal installation stations which are uniformly distributed in the circumference;
the working table is provided with a screw rod levelness detection device, a screw rod runout detection device, an impedance detection device and an insulation detection device which are positioned at the periphery of the station turntable;
the device comprises a plurality of defective product taking-down devices, wherein the defective product taking-down devices are fixed on an operation table, a defective product taking-down device is arranged between a screw rod levelness detection device and a screw rod runout detection device, and a defective product taking-down device is arranged between the screw rod runout detection device and an impedance detection device.
In the above stepping motor detecting device with screw, the screw runout detecting device includes:
the screw rod horizontal installation station is used for horizontally distributing screw rods connected with the stepping motor;
the first lifting plates are vertically distributed;
the first lifting driving mechanism drives the first lifting plate to lift in the vertical direction;
the jumping detection assembly is arranged on the first lifting plate and is vertically distributed above the screw rod;
the elastic driving assembly is arranged on the first lifting plate and is positioned above the screw rod, and when the elastic driving assembly is driven by the first lifting driving mechanism to descend and contact with the screw rod, the elastic driving assembly is started and drives the screw rod to rotate around the axial lead of the screw rod, and the jumping detection assembly detects the jumping of the screw rod when the screw rod rotates.
In the above stepping motor detecting apparatus with a screw, the elastic driving assembly includes:
the driving motor is connected with a driving wheel on an output shaft of the driving motor;
an elastic driving ring made of an elastic material;
the two elastic ring driving wheels are positioned above the side of the screw rod, the two elastic ring driving wheels and the screw rod are distributed in an inverted triangle, and the driving wheel and the two elastic ring driving wheels are distributed in a triangle;
the elastic driving ring is wound on the driving wheel and the two elastic ring driving wheels;
the first lifting driving mechanism drives the first lifting plate to descend so that a section of the elastic driving ring, which is positioned between the two elastic ring driving wheels, is wound on the screw rod, and the driving motor drives the screw rod to synchronously rotate along with the elastic driving ring.
In the stepping motor detection device with the screw rod, the two elastic ring driving wheels are rotatably arranged at the lower end of the first lifting plate and are distributed oppositely, and the two elastic ring driving wheels which are distributed oppositely enable one section of the elastic driving ring between the two elastic ring driving wheels to be in a horizontal state.
In the stepping motor detection equipment with the screw rod, the driving motor is positioned at the top of the first lifting plate, and a position adjusting and tensioning structure for adjusting the distance between the driving wheel and the elastic ring transmission wheel is arranged between the driving motor and the first lifting plate.
In the stepping motor detection device with the screw rod, the position adjusting and tensioning structure comprises a vertical sliding seat which is in sliding connection with the first lifting plate, the driving motor is fixed on the vertical sliding seat, and the position adjusting and tensioning structure further comprises a vertical position locking assembly which is used for enabling the vertical sliding seat to be locked on the first lifting plate after the vertical sliding seat is adjusted to be in place.
In the stepping motor detection equipment with the screw rod, the position adjusting and tensioning structure further comprises an elastic ring expansion assembly, wherein the elastic ring expansion assembly is arranged on the vertical sliding seat and/or the first lifting plate, and the elastic ring expansion assembly is used for enabling the elastic driving ring to expand radially outwards.
In the stepping motor detection device with the screw rod, the elastic ring expansion assembly comprises one to four expansion cantilever rods fixed on the vertical sliding seat, one to two expansion cantilever rods among the one to four expansion cantilever rods are positioned below the driving wheel side, and the elastic driving ring is wound on the driving wheel and the expansion cantilever rods positioned below the driving wheel side.
In the stepping motor detection device with the screw rod, the jumping detection assembly comprises a detection pen fixing seat fixed on the first lifting plate, and jumping detection pens which are vertically distributed are arranged on the detection pen fixing seat.
In the above stepping motor detection device with a screw rod, the screw rod levelness detection device comprises a second fixing seat, a second sliding seat is slidably connected to the second fixing seat, a second translational driving cylinder is arranged between the second fixing seat and the second sliding seat, a second lifting plate is connected to the second sliding seat, a second lifting driver for driving the second lifting plate to lift in the vertical direction is arranged between the second sliding seat and the second lifting plate, and a levelness detection pen is arranged on the second lifting plate.
In the stepping motor detection equipment with the screw rod, the impedance detection device comprises a third fixing seat fixed on the operation table, a third lifting seat is vertically and slidably connected to the third fixing seat, a third lifting driving cylinder for driving the third lifting seat to vertically lift is arranged between the third fixing seat and the third lifting seat, a transverse chuck is arranged at the top of the third lifting seat and used for clamping the outer circle of the stepping motor, the transverse chuck is provided with two clamping jaws which are vertically and oppositely distributed, and an impedance detection connector sleeved with a conductive terminal of the stepping motor is arranged on the lower clamping jaw of the transverse chuck.
Compared with the prior art, the application has the advantages that:
the elastic driving component contacts with the screw rod by utilizing the elasticity of the elastic driving component and drives the screw rod to rotate, so that the stepping motor can be omitted from being connected with electricity to conduct electricity, and the electric terminal is damaged by abrasion caused by the assembly and disassembly of the stepping motor.
The turntable mode is utilized to combine various detection devices, so that the detection efficiency and the accuracy of detection results can be improved.
The detection efficiency is improved.
Drawings
Fig. 1 is a schematic view of a three-dimensional angle structure of a detection device provided by the application.
Fig. 2 is a schematic structural diagram of the detection apparatus provided by the present application after each detection device is removed.
Fig. 3 is a schematic diagram of a distribution structure of various detecting devices according to the present application.
Fig. 4 is a schematic structural view of the bracket provided by the application fixed on the horizontal installation station of the screw rod.
Fig. 5 is a schematic structural diagram of a screw rod levelness detection device provided by the application.
Fig. 6 is a schematic diagram of a side view structure of the lead screw runout detection device provided by the application.
Fig. 7 is a schematic diagram of a three-dimensional structure of a lead screw runout detection device provided by the application.
Fig. 8 is a schematic top perspective view of the lead screw runout detection device provided by the application.
Fig. 9 is a simplified schematic diagram of a contact process between a lead screw runout detection device and a lead screw.
Fig. 10 is a schematic perspective view of an impedance detecting apparatus according to the present application.
Fig. 11 is a schematic perspective view of an insulation detection device provided by the application.
Fig. 12 is a schematic perspective view of a defective product removing device according to the present application.
In the drawing, a stepping motor a1, a screw a2, a bracket a3, a frame 1, a working table 10, a station turntable 11, a rotation driving motor 100, a cabinet 12, a screw horizontal installation station 13, a screw levelness detection device 2, a second fixing base 20, a second sliding base 21, a second translational driving cylinder 22, a second lifting plate 23, a second lifting driving cylinder 24, a levelness detection pen 25, a first lifting plate 30, a first lifting driving mechanism 31, a first transmission lifting plate 311, a first lifting driving driver 312, a runout detection assembly 32, a detection pen fixing base 320, a runout detection pen 321, an elastic driving assembly 33, a driving motor 330, a driving wheel 331, an elastic driving ring 332, an elastic ring driving wheel 333, a vertical sliding base 334, a vertical position locking assembly 335, a sliding contact part 336, an elastic ring expanding assembly 337, an expanding cantilever rod 337a, an impedance detection device 4, a third fixing base 40, a third lifting base 41, a third lifting driving cylinder 42, a transverse clamping head 43, an impedance detection connector 44, a groove 45, an insulation detection device 5, a fourth lifting detection device 50, a fourth lifting driving cylinder 52, a fourth lifting driving assembly 60, a defective lifting driving assembly 60, and a mechanical clamping head assembly 60.
Detailed Description
The following are specific embodiments of the application and the technical solutions of the application will be further described with reference to the accompanying drawings, but the application is not limited to these embodiments.
The stepping motor detection equipment with the screw rod is used for detecting the levelness of the screw rod, the jump detection of the screw rod, the impedance detection of the stepping motor and the insulation detection of the stepping motor.
Specifically, as shown in fig. 1 to 3, the detection device comprises a frame 1, a workbench 10 is arranged on the frame 1, a station turntable 11 which is rotatably connected with the workbench 10 is arranged on the workbench 10, and the station turntable 11 is connected with a rotation driving mechanism.
Further, the rotation driving mechanism of the present embodiment includes a rotation driving motor 100 fixed to the work table 10.
Also, a cabinet 12 is provided on the frame 1 above the station carousel 11 to facilitate integration of various control screens and control systems, and the like.
The outer edge of the upper surface of the station turntable 11 is provided with a plurality of screw rod horizontal installation stations 13 which are uniformly distributed in circumference, and specifically, the workbench 10 is provided with a screw rod levelness detection device 2, a screw rod runout detection device 3, an impedance detection device 4 and an insulation detection device 5 which are positioned on the periphery of the station turntable 11.
Preferably, a plurality of defective product removing devices 6 are further arranged on the station turntable 11, namely, a defective product removing device 6 is arranged between the screw rod levelness detecting device 2 and the screw rod jumping detecting device 3, and a defective product removing device 6 is arranged between the screw rod jumping detecting device 3 and the impedance detecting device 4.
The number of the screw rod horizontal installation stations 13 is four to eight, the screw rod horizontal installation stations 13 and the screw rod horizontal installation stations 13 alternately enter the lower parts of the detection devices and the lower parts of the defective product removing devices 6.
The station turntable 11 rotates clockwise, and the screw rod levelness detection device 2, the screw rod runout detection device 3, the impedance detection device 4 and the insulation detection device 5 are sequentially distributed on the periphery of the station turntable 11 clockwise.
A screw rod horizontal installation station 13 stays to the position of 6 points of the hour hand and is positioned at the feeding position, namely, a stepping motor with a screw rod is installed on the screw rod horizontal installation station 13 at the position of 6 points, and the stepping motor is suspended outside the outer circumference of the station turntable 11.
The outer edge of the station turntable 11 is provided with a notch positioned between two adjacent screw rod horizontal installation stations 13 so as to lighten the weight of the station turntable 11.
Specifically, as shown in fig. 5, the screw rod levelness detecting device 2 of the present embodiment includes a second fixing base 20, a second sliding base 21 is slidably connected to the second fixing base 20, and a second translational driving cylinder 22 is disposed between the second fixing base 20 and the second sliding base 21, where, of course, the second translational driving cylinder 22 may be replaced by an oil cylinder or a linear motor.
The second sliding seat 21 is connected with a second lifting plate 23, a second lifting driver 24 for driving the second lifting plate 23 to lift in the vertical direction is arranged between the second sliding seat 21 and the second lifting plate 23, and the second lifting driver 24 is an air cylinder or an oil cylinder.
A levelness detecting pen 25 is provided on the second lifter plate 23. The levelness detecting pen 25 is a photoelectric detecting pen, and belongs to the prior art, that is, the horizontally distributed screw rod has the levelness detecting pen 25 lowered to a set position under the driving of the second lifting driver 24, and the second translation driving cylinder 22 pushes the second sliding seat 21 to move in the horizontal direction, and the levelness detecting pen 25 can detect the levelness of the screw rod.
As shown in fig. 4, a bracket a3 is connected to the stepper motor a1, the bracket is U-shaped, two ends of a screw a2 are rotatably connected to two ends of the bracket, and the screw is connected with a rotor or an output shaft of the stepper motor a 1.
As shown in fig. 3 to 4, the screw runout detection device 3 includes a screw horizontal installation station 13 for horizontally distributing screw a2 connected to a stepping motor a 1; specifically, the horizontal installation station 13 of the screw rod in this embodiment is provided with a bracket positioning groove and a plurality of bracket positioning pins arranged at the bottom of the bracket positioning groove, and the main purpose is to fix the bracket. And the apparatus further comprises, as shown in fig. 5-9:
the first lifting plates 30 are vertically distributed;
a first lifting driving mechanism 31 for driving the first lifting plate 30 to lift in the vertical direction; specifically, the first lifting driving mechanism 31 includes a first fixed stand 310, a first transmission lifting plate 311 vertically distributed on the first lifting plate 30, and a first lifting driver 312 disposed between the first fixed stand 310 and the first transmission lifting plate 311. The first lift actuator 312 is a cylinder or ram.
The first elevating driver 312 drives the first driving elevating plate 311 to be elevated in the vertical direction so that the first elevating plate 30 is close to and far from the screw.
The jumping detection assembly 32 is arranged on the first lifting plate 30 and is vertically distributed above the screw rod; specifically, the runout detecting assembly 32 includes a detecting pen holder 320 fixed on the first lifting plate 30, and vertically distributed runout detecting pens 321 are disposed on the detecting pen holder 320.
The runout detection pen 321 is a non-contact photoelectric detection method.
The elastic driving assembly 33 is installed on the first lifting plate 30 and located above the screw rod, when the first lifting driving mechanism 31 drives the elastic driving assembly 33 to descend and enable the elastic driving assembly 33 to be in contact with the screw rod, the elastic driving assembly 33 starts and drives the screw rod to rotate around the axis of the screw rod, and the jump detecting assembly 32 detects the jump of the screw rod when the screw rod rotates.
The elastic driving component 33 contacts with the screw rod by utilizing the elasticity of the elastic driving component and drives the screw rod to rotate, so that the stepping motor can be omitted from being connected with electricity and conducting electricity, and the electric terminal is damaged by abrasion caused by assembling and disassembling the stepping motor, and secondly, the elastic driving component contacts with the screw rod and drives the screw rod to rotate, so that the jumping detection efficiency of the screw rod and the universality of the device can be improved, and meanwhile, the manufacturing cost of the detection device is reduced.
Preferably, the elastic driving assembly 33 of the present embodiment includes:
a driving motor 330, wherein a driving wheel 331 is connected to an output shaft of the driving motor 330; the driving motor 330 is a stepping motor.
An elastic driving ring 332 made of an elastic material, for example, elastic rubber; the elastic driving ring 332 has a circular lateral cross section, but may have other shapes.
The two elastic ring driving wheels 333 are arranged, the two elastic ring driving wheels 333 are positioned above the screw rod side, the two elastic ring driving wheels 333 and the screw rod are distributed in an inverted triangle, and the driving wheel 331 and the two elastic ring driving wheels 333 are distributed in a triangle;
the elastic ring driving wheel 333 can tension the elastic driving ring 332.
The elastic driving ring 332 is wound on the driving wheel 331 and the two elastic ring driving wheels 333;
the first lifting driving mechanism 31 drives the first lifting plate 30 to descend so that a section of the elastic driving ring 332 positioned between the two elastic ring driving wheels 333 is wound on the screw rod, and the driving motor 330 drives the screw rod to synchronously rotate along with the elastic driving ring 332
The section of the elastic driving ring 332 between the two elastic ring driving wheels 333 and the screw rod are in a semicircular winding or 1/3 circular winding mode, and meanwhile, the section of the elastic driving ring 332 between the two elastic ring driving wheels 333 is clamped in a thread groove of the screw rod so as to be beneficial to driving the screw rod to rotate.
The detection requirements can be met by means of descending and deformation of the elastic driving ring 332 and screw contact driving, meanwhile, detection of different screws can be facilitated, the detection mode is simpler, the efficiency is high, and the universality is strong.
Preferably, the two elastic ring driving wheels 333 are rotatably mounted at the lower end of the first lifting plate 30 and are relatively distributed, and the two elastic ring driving wheels 333 relatively distributed make a section of the elastic driving ring 332 between the two elastic ring driving wheels 333 be in a horizontal state, or may be in a slightly inclined state.
Next, the driving motor 330 is located at the top of the first lifting plate 30, and a position adjusting and tensioning structure for adjusting the distance between the driving wheel 331 and the elastic ring driving wheel 333 is disposed between the driving motor 330 and the first lifting plate 30. The position adjustment tensioning structure can tension the elastic driving ring 332 to accommodate screws of different diameters. Specifically, the position adjustment tensioning structure includes a vertical sliding seat 334 slidably connected to the first lifter plate 30, and the driving motor 330 is fixed to the vertical sliding seat 334, and further includes a vertical position locking assembly 335 for locking the vertical sliding seat 334 to the first lifter plate 30 when the position of the vertical sliding seat 334 is adjusted. The vertical position locking assembly 335 is a bolt and bar hole arrangement.
Further, two sides of the vertical sliding seat 334 are respectively provided with sliding contact portions 336 which are distributed oppositely, the two sliding contact portions 336 and the vertical sliding seat 334 form a U shape, and the sliding contact portions 336 are slidably connected with the corresponding side edges of the first lifting plate 30. A sliding groove is provided on the inner surface of the sliding contact portion 336, and the side edge of the first lifting plate 30 is clamped into the sliding groove and is slidably connected with the sliding groove.
The vertical position locking assembly 335 includes at least one vertical bar hole provided on the sliding contact portion 336, a bolt is inserted into the vertical bar hole, and a threaded hole in threaded connection with the bolt is provided on a corresponding side of the first lifter plate 30, so as to implement position adjustment.
Preferably, the position adjusting tensioning structure of the present embodiment further includes an elastic ring expansion assembly 337, the elastic ring expansion assembly 337 can prevent the elastic driving ring 332 from contacting the detection pen fixing seat 320 after being led out from the driving wheel, the elastic ring expansion assembly 337 is disposed on the vertical sliding seat 334 and/or the first lifting plate 30, and the elastic ring expansion assembly 337 is used for expanding the elastic driving ring 332 radially outwards. Specifically, the elastic ring expanding assembly 337 includes one to four expanding cantilever bars 337a fixed on the vertical sliding seat 334, one to two expanding cantilever bars 337a of the one to four expanding cantilever bars 337a are located under the driving wheel 331 side, and the elastic driving ring 332 is wound around the driving wheel 331 and the expanding cantilever bars 337a located under the driving wheel 331 side.
Of course, each of the expansion cantilever bars 337a is provided with a thread or a roller, which can position-limit the elastic driving ring 332 and prevent the elastic driving ring 332 from being broken due to contact.
The number of the expansion cantilever rods 337a is equal to that of the expansion cantilever rods 337a and the threaded holes are formed in the vertical sliding seat 334, one expansion cantilever rod 337a is respectively penetrated in each threaded hole, a vertical through hole is formed between the vertical sliding seat 334, the first lifting plate 30 and the two sliding contact parts 336, and hexagonal caps of the expansion cantilever rods 337a are positioned in the vertical through holes, so that the hexagonal caps can be prevented from interfering when lifting.
As shown in fig. 9, the jitter detection process of the present embodiment is as follows:
the first lifting driving mechanism 31 drives the first lifting plate 30 to descend so that a section of the elastic driving ring 332 positioned between the two elastic ring driving wheels 333 is wound on the screw rod;
the runout detection assembly 32 at this time is synchronously approaching the screw rod downwards;
the driving motor 330 drives the screw rod to synchronously rotate along with the elastic driving ring 332, and the jump detecting component 32 detects the jump of the screw rod, so that the detection is completed.
As shown in fig. 10, the impedance detecting device 4 includes a third fixing seat 40 fixed on the workbench 10, a third lifting seat 41 is vertically connected to the third fixing seat 40 in a sliding manner, a third lifting driving cylinder 42 for driving the third lifting seat 41 to vertically lift is arranged between the third fixing seat 40 and the third lifting seat 41, a transverse chuck 43 is arranged at the top of the third lifting seat 41, and the transverse chuck 43 is an existing cylinder chuck and is used for clamping the excircle of the stepping motor.
The transverse chuck 43 has two clamping jaws which are arranged in an up-down opposite manner.
An impedance detection connector 44 sleeved with the conductive terminal of the stepping motor is arranged on the lower clamping jaw of the transverse clamping head 43, and the impedance detection connector 44 is electrically connected with an external impedance detection terminal through a wire. The impedance detection terminal is arranged in the cabinet, and the integrated assembly can enrich the convenience of equipment use.
Preferably, an avoidance groove 45 is formed on the clamping jaw, a notch of the avoidance groove 45 faces upwards, a connection terminal of the stepping motor extends into the notch of the avoidance groove 45, an impedance detection connector 44 is mounted at the bottom of the avoidance groove 45, and when the two clamping jaws are close to each other in opposite directions and clamp the stepping motor, the impedance detection connector 44 is connected with the connection terminal of the stepping motor in a sleeved mode, and at the moment, impedance detection can be completed only by electrifying.
As shown in fig. 11, the insulation detection device 5 includes a fourth fixing base 50 fixed on the workbench 10, a fourth lifting base 52 is connected to the fourth fixing base 50 through a fourth lifting driving cylinder 51, a fourth chuck 53 transversely arranged is arranged at the top of the fourth lifting base 52, the fourth chuck 53 has two fourth clamping jaws, and the two fourth clamping jaws are vertically and oppositely distributed.
The stepping motor is held by the two fourth clamping jaws.
A fourth clamping jaw on the lower side is connected with a conductive joint 54 connected with a wiring terminal of the stepping motor, the conductive joint 54 energizes the motor, namely, energizes the winding, and then detects the insulation property of the winding and the shell.
As shown in fig. 12, the defective product removing device 6 includes a mechanical chuck 60, the mechanical chuck 60 clamps the stepping motor and ascends upward through a lift driving assembly 61, the lift driving assembly 61 includes a mounting fixing base on which a lift driving cylinder is provided, and the lift driving cylinder drives the mechanical chuck 60 to ascend and descend.
The working principle of this embodiment is as follows:
s1, a screw rod carried by a stepping motor to be detected is arranged on a screw rod horizontal installation station 13 at a feeding position, a support locating pin is arranged on the screw rod horizontal installation station 13, two ends of the screw rod are rotatably connected to a support, locating holes for the support locating pins to be inserted one by one are formed in the support, and the stepping motor is suspended outside the outer circumference of a station turntable 11;
s2, the station turntable 11 rotates a station position clockwise, a screw rod to be detected enters below the screw rod levelness detection device 2, and the screw rod levelness detection device 2 detects the levelness of the screw rod;
the detection has two results, the first is good, the second is bad, the good is directly rotated to the lower part of the lead screw runout detection device 3, and if the good is bad, the good is rotated to the lower part of the bad taking-off device 6, and the bad taking-off device 6 takes off the bad;
s3, the lead screw runout detection device 3 performs runout detection on the levelness detection good product, and the detection qualification also has two results, namely, the first type is good product, the second type is defective product, the good product is directly rotated to the position below the impedance detection device 4, and if the good product is defective product, the good product is rotated to the position below the defective product taking-down device 6, and the defective product taking-down device 6 takes down the defective product;
s4, the impedance detection device 4 detects the impedance of the stepping motor, and the impedance detection principle belongs to the prior art, and the embodiment is not further described;
and S5, detecting the insulativity of the stepping motor by the insulation detection device 5, namely, finishing detection. The insulation detection principle belongs to the prior art, and this embodiment is not further described.
Preferably, a defective product removing device 6 can also be arranged between the impedance detecting device 4 and the insulation detecting device 5, and the defective product removing device 6 positioned behind the insulation detecting device 5 can remove defective products mechanically in time, so that the detection efficiency is higher.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the application. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the application or exceeding the scope of the application as defined in the accompanying claims.
Claims (8)
1. Step motor check out test set of area lead screw, step motor are used for the camera motor, check out test set includes:
the working table is provided with a station turntable which is rotationally connected with the working table, and the station turntable is connected with a rotation driving mechanism; the detection device is characterized by further comprising:
the outer edge of the upper surface of the station turntable is provided with a plurality of screw rod horizontal installation stations which are uniformly distributed in the circumference;
the working table is provided with a screw rod levelness detection device, a screw rod runout detection device, an impedance detection device and an insulation detection device which are positioned at the periphery of the station turntable;
the detection equipment further comprises a plurality of defective product removing devices, the defective product removing devices are fixed on the operation table, a defective product removing device is arranged between the screw rod levelness detection device and the screw rod runout detection device, and a defective product removing device is arranged between the screw rod runout detection device and the impedance detection device;
the lead screw detection device that beats include:
the screw rod horizontal installation station is used for horizontally distributing screw rods connected with the stepping motor;
the first lifting plates are vertically distributed;
the first lifting driving mechanism drives the first lifting plate to lift in the vertical direction;
the jumping detection assembly is arranged on the first lifting plate and is vertically distributed above the screw rod;
the elastic driving assembly is arranged on the first lifting plate and is positioned above the screw rod, and when the first lifting driving mechanism drives the elastic driving assembly to descend and enable the elastic driving assembly to be in contact with the screw rod, the elastic driving assembly is started and drives the screw rod to rotate around the axial lead of the screw rod, and the jump detecting assembly detects the jump of the screw rod when the screw rod rotates;
the elastic driving assembly includes:
the driving motor is connected with a driving wheel on an output shaft of the driving motor;
an elastic driving ring made of an elastic material;
the two elastic ring driving wheels are positioned above the side of the screw rod, the two elastic ring driving wheels and the screw rod are distributed in an inverted triangle, and the driving wheel and the two elastic ring driving wheels are distributed in a triangle;
the elastic driving ring is wound on the driving wheel and the two elastic ring driving wheels;
the first lifting driving mechanism drives the first lifting plate to descend so that a section of the elastic driving ring, which is positioned between the two elastic ring driving wheels, is wound on the screw rod, and the driving motor drives the screw rod to synchronously rotate along with the elastic driving ring;
the two elastic ring driving wheels are rotatably arranged at the lower end of the first lifting plate and are distributed oppositely, and the two elastic ring driving wheels which are distributed oppositely enable one section of the elastic driving ring between the two elastic ring driving wheels to be in a horizontal state.
2. The stepping motor detection device with a screw rod according to claim 1, wherein the driving motor is located at the top of the first lifting plate, and a position adjusting and tensioning structure for adjusting the distance between the driving wheel and the elastic ring transmission wheel is arranged between the driving motor and the first lifting plate.
3. The stepper motor testing apparatus of claim 2, wherein the position adjustment tensioning mechanism includes a vertical slide mount slidably coupled to the first lifter plate, the drive motor being secured to the vertical slide mount, the position adjustment tensioning mechanism further including a vertical position locking assembly for locking the vertical slide mount to the first lifter plate when the vertical slide mount is adjusted in position.
4. The stepper motor testing apparatus with a screw as defined in claim 3, wherein the position adjusting and tensioning mechanism further comprises an elastic ring expanding assembly, the elastic ring expanding assembly being provided on the vertical sliding seat and/or the first lifting plate, the elastic ring expanding assembly being configured to expand the elastic driving ring radially outwards.
5. The apparatus of claim 4, wherein the elastic ring expanding assembly comprises one to four expanding cantilever bars fixed on the vertical sliding seat, one to two of the one to four expanding cantilever bars are positioned under the driving wheel side, and the elastic driving ring is wound on the driving wheel and the expanding cantilever bars positioned under the driving wheel side.
6. The stepping motor detecting device with screw as claimed in claim 1, wherein the runout detecting assembly comprises a detecting pen fixing seat fixed on the first lifting plate, and the vertically distributed runout detecting pens are arranged on the detecting pen fixing seat.
7. The stepping motor detecting apparatus with a screw as claimed in claim 1, wherein the screw levelness detecting means comprises a second fixing base, a second sliding base is slidably connected to the second fixing base, a second translational driving cylinder is provided between the second fixing base and the second sliding base, a second lifting plate is connected to the second sliding base, a second lifting driver for driving the second lifting plate to lift in a vertical direction is provided between the second sliding base and the second lifting plate, and a levelness detecting pen is provided on the second lifting plate.
8. The stepping motor detection device with the screw rod according to claim 1, wherein the impedance detection device comprises a third fixing seat fixed on the operation table, a third lifting seat is vertically and slidably connected to the third fixing seat, a third lifting driving cylinder for driving the third lifting seat to vertically lift is arranged between the third fixing seat and the third lifting seat, a transverse chuck is arranged at the top of the third lifting seat and used for clamping the excircle of the stepping motor, the transverse chuck is provided with two clamping jaws which are vertically and oppositely distributed, and an impedance detection connector sleeved with a conductive terminal of the stepping motor is arranged on the lower clamping jaw of the transverse chuck;
the defective product removing device comprises a mechanical chuck which clamps the stepping motor and ascends upwards through the lifting driving assembly.
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