CN108955465B - ABS gear ring runout measuring device - Google Patents
ABS gear ring runout measuring device Download PDFInfo
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- CN108955465B CN108955465B CN201810983795.0A CN201810983795A CN108955465B CN 108955465 B CN108955465 B CN 108955465B CN 201810983795 A CN201810983795 A CN 201810983795A CN 108955465 B CN108955465 B CN 108955465B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
Abstract
The invention discloses an ABS gear ring runout measuring device, which comprises an ABS gear ring runout detecting mechanism, a linear guide rail device and a pneumatic moving device, wherein the linear guide rail device comprises a servo motor, a first screw rod, a coupler, a screw rod nut, an upper bearing seat, a lower bearing seat, a guide rail, a first sliding block and a base; according to the invention, the displacement sensor is used for automatically measuring the end face circle runout of the ABS gear ring in the workpiece to be measured, the measuring precision is high, the measuring device is suitable for measuring the ABS gear rings of workpieces of different types, and the measuring requirement of batch processing of the ABS gear rings can be met.
Description
Technical Field
The invention relates to the technical field of detection, in particular to an ABS gear ring runout measuring device.
Background
The ABS gear ring runout measurement is an essential assembly process in the automobile industry, and a common measurement method is as follows: installing a tested workpiece (such as a hub, comprising an ABS gear ring) between two top ends of a runout detector, wherein a common reference axis is simulated by the two top ends; the ABS gear ring of the measured workpiece is contacted with the indicator, and the up-down and angular positions of the indicator frame are adjusted to enable the indicator pointer to be zero; and (3) rotating the workpiece to measure tooth by tooth according to the steps, recording readings one by one, solving the actual jump value of the gear ring, and making a conclusion.
Obviously, in the prior art, the measurement and reading are needed to be carried out on the end face circle runout of the ABS gear ring in the workpiece to be measured manually, the measurement accuracy is low, the use is inconvenient, and the cost is high; the size of the ABS gear ring can be changed according to different types of workpieces to be measured, and at the moment, a measuring device is required to be manually adjusted, so that a measuring head of the measuring device is in contact with the end face of the ABS gear ring, the efficiency is low, and therefore, the automatic measurement of workpieces of various types is not suitable, and the measurement requirement of batch processing of the ABS gear ring cannot be met.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an ABS gear ring runout measuring device which can automatically measure the end face circle runout of the ABS gear ring in a measured workpiece through a displacement sensor without manual reading, and has high measuring precision; and to the measured work piece of different models, can change displacement sensor's position through linear guide device, pneumatic moving device and ABS ring gear detection mechanism that beats, make displacement sensor and the terminal surface contact of the ABS ring gear of the inside depths of measured work piece, consequently be applicable to the automatic measurement of the ABS ring gear of the measured work piece of different models, efficient, with low costs can satisfy the measurement demand when ABS ring gear carries out batch processing simultaneously.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the ABS gear ring runout measuring device comprises an ABS gear ring runout detecting mechanism, a linear guide rail device for driving the ABS gear ring runout detecting mechanism to move along the Z-axis direction and a pneumatic moving device for driving the ABS gear ring runout detecting mechanism to move along the Y-axis square direction, wherein the linear guide rail device comprises a servo motor, a first screw rod, a coupler, a screw rod nut, an upper bearing seat, a lower bearing seat, a guide rail, a first sliding block and a base, the top end of the inner wall of the base is fixed with the upper bearing seat, the bottom end of the inner wall of the base is fixed with the lower bearing seat, the top end of the first screw rod sequentially penetrates through the inner ring of an upper bearing seat inner bearing and the top end of the base and is fixedly connected with the inner ring of the upper bearing seat inner bearing seat, the top end of the first screw rod is connected with an output shaft of the servo motor through the coupler, the bottom of first lead screw and the inner circle fixed connection of bearing in the bearing frame down, threaded connection has screw-nut on the first lead screw, the inside wall of base is fixed with guide rail and first lead screw parallel arrangement, guide rail sliding connection has first slider, pneumatic moving device includes duplex cylinder, first slider and screw-nut are all through the slip table connecting plate and duplex cylinder's cylinder body fixed connection, duplex cylinder's piston rod and ABS ring gear detection mechanism fixed connection that beats, ABS ring gear detection mechanism that beats includes sensor support, cylinder, displacement sensor, the length of sensor support is fixed with the cylinder along the one end of X axle direction extension and sensor support, the piston rod of cylinder is used for driving displacement sensor along Z axle direction reciprocates.
According to the technical scheme, the base is in a cuboid shape, the length of the base extends along the Z-axis direction, the guide rail is fixed on the inner wall of the base, the base is fixedly provided with the sliding table, the front corner and the rear corner of the base, which are connected with the sliding table, are respectively provided with the L-shaped strip-shaped through grooves, the first sliding block and the screw nut are respectively connected with the second sliding block, two side edges of the second sliding block extend out of the two L-shaped strip-shaped through grooves respectively, the two side edges of the second sliding block are connected with the sliding table connecting plate, a gap is formed between the sliding table connecting plate and the second sliding block, and the sliding table passes through the gap, so that the sliding table can slide up and down in the gap.
As a further improved technical scheme of the invention, the number of the guide rails is 2, the 2 guide rails are respectively positioned at two sides of the first screw rod, and the second sliding blocks are connected with the screw rod nuts and the first sliding blocks on the 2 guide rails.
As a further improved technical scheme of the invention, the sliding table connecting plate is fixedly connected with the cylinder body of the duplex cylinder of the pneumatic moving device through an L-shaped connecting seat.
As a further improved technical scheme of the invention, a travel limiting device is fixed at the top of a cylinder body of the duplex cylinder, the travel limiting device comprises a blocking block, a connecting rod, a limiting nut, a front limiting block, a rear limiting block, a second screw rod, a locking block and a scale, wherein the front limiting block and the rear limiting block are both fixed at the top of the cylinder body of the duplex cylinder, the rear end of the second screw rod is rotationally connected with the rear limiting block, the bottom of the locking block is fixedly connected with the front side surface of the front limiting block, the front end of the second screw rod sequentially passes through a through hole in the middle of the front limiting block and the middle of the locking block and is rotationally connected with the middle of the front limiting block, the locking block is used for locking the second screw rod through a bolt, the second screw rod is in threaded connection with the middle of the limiting nut and is positioned between the front limiting block and the rear limiting block, the rear side surface of the limiting nut is fixedly connected with the front side surface of the blocking block through the connecting rod, the blocking block is in a T-shaped manner, the middle lower part of the blocking block is positioned at the rear side of the cylinder body of the duplex cylinder and is positioned between the front side surface of the duplex cylinder and the front side surface of the front limiting block and the middle of the front limiting block, the front side surface of the second screw rod is connected with the two side surfaces of the connecting rod and the side surface of the two side surfaces of the connecting rod are in parallel to the two side surfaces of the connecting rod and the square-shaped side surface of the connecting rod, the connecting rod is connected with the two side surface and the side surface of the connecting rod and the side of the end is connected with the side surface in the side of the square nut, and two piston rods at the front end of the duplex cylinder are connected with the sensor bracket through a bracket connecting plate.
According to the technical scheme, an L-shaped support and a sensor connecting block are arranged at one end of the sensor support, a gap is arranged between the L-shaped support and the sensor connecting block, a through hole extending along the Z-axis direction is formed in the surface of the sensor connecting block and located in front of the L-shaped support, a cylinder body of the cylinder is fixed on the L-shaped support, a Z-shaped stop block is connected to a piston rod of the cylinder, the lower surface of the top of the Z-shaped stop block is connected with the piston rod of the cylinder, the Z-shaped stop block penetrates downwards from the gap, so that the bottom of the Z-shaped stop block is located below the through hole, a displacement sensor is placed on the upper surface of the bottom of the Z-shaped stop block, and the top of the displacement sensor penetrates from the through hole.
As a further improved technical scheme of the invention, the lower surface of the upper bearing seat and the upper surface of the lower bearing seat are both provided with anti-collision blocks.
The beneficial effects of the invention are as follows:
(1) The invention can automatically control the position of the displacement sensor through the linear guide rail device and the pneumatic moving device, is suitable for measuring the end face circle runout of the ABS gear rings of workpieces of different types, and the cylinder on the ABS gear ring runout detection mechanism can drive the displacement sensor to reach the depth of the workpiece to be measured, so that the ABS gear ring positioned in the depth of the workpiece to be measured is measured, compared with the existing manual adjustment measuring device, the efficiency is higher, and the measuring requirement of the ABS gear ring in batch processing can be met. The conventional manual reading of the indicating meter is easy to generate errors, and the measuring accuracy is higher compared with the manual reading by measuring the end face circle runout of the ABS gear ring through the displacement sensor; the invention has the advantages of convenient use, no need of manual online measurement, suitability for automatic measurement and low cost.
(2) The scale and the blocking block arranged on the pneumatic moving device can accurately control the Y-direction movement amount of the pneumatic moving device; the Z-direction movement of the linear guide rail can be accurately controlled through the servo motor in the Z direction, and meanwhile the movement speed of the Z direction can be controlled. Obviously, the invention has high control precision and can meet the efficiency and stability of measuring the workpiece.
(3) According to the ABS gear ring runout detection mechanism, the Z-shaped stop block can be driven to ascend through the air cylinder, the displacement sensor is lifted by the Z-shaped stop block, and when the Z-shaped stop block is driven to descend by the air cylinder, the displacement sensor freely falls, so that automatic contact and separation of the displacement sensor and the ABS gear ring in the vertical direction are realized, collision between the displacement sensor and other positions of a workpiece to be detected during detection is effectively prevented, and the service life of the displacement sensor is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the linear guide device.
Fig. 3 is a schematic view of the overall structure of the linear guide device.
Fig. 4 is a partial enlarged view of a part of the structure in fig. 3B.
Fig. 5 is a schematic structural view of the pneumatic moving device.
Fig. 6 is a schematic structural diagram of an ABS ring gear runout detection mechanism.
Fig. 7 is a partial enlarged view of a in fig. 6.
Fig. 8 is a schematic structural view of the other side of the ABS ring gear runout detection mechanism.
Fig. 9 is an operation state diagram of the ABS ring gear runout detection mechanism.
Detailed Description
The following further describes embodiments of the present invention with reference to fig. 1 to 9:
referring to fig. 1, an ABS gear ring runout measuring device comprises an ABS gear ring runout detecting mechanism 1, a linear guide rail device 2 for driving the ABS gear ring runout detecting mechanism 1 to move along the Z-axis direction, and a pneumatic moving device 3 for driving the ABS gear ring runout detecting mechanism 1 to move along the Y-axis square, referring to fig. 2, the linear guide rail device 2 comprises a servo motor 39, a first screw rod 4, a coupling 5, a screw nut 6, an upper bearing seat 7, a lower bearing seat 8, a guide rail 9, a first sliding block 10 and a base 11, wherein the top end of the inner wall of the base 11 is fixed with the upper bearing seat 7, the bottom end of the inner wall is fixed with the lower bearing seat 8, the top end of the first screw rod 4 sequentially passes through the inner ring of the upper bearing seat 7 and the top end of the base 11, the first screw rod 4 is fixedly connected with the inner ring of the inner bearing 7, the first screw rod 4 can rotate around the upper bearing seat 7 and the base 11, the top end of the first screw rod 4 is connected with an output shaft of the servo motor 39 through the coupling 5, the servo motor 39 is located above the base 11, the bottom end of the first screw rod 4 is fixedly connected with the bearing in the lower bearing seat 8, the inner ring 4 is fixedly connected with the first sliding block 9, and the first guide rail 9 is fixedly connected with the first sliding block 9. Referring to fig. 5, the pneumatic moving device 3 includes a duplex cylinder 13, the first slider 10 and the screw nut 6 are fixedly connected with a cylinder body of the duplex cylinder 13 through a sliding table connecting plate 12 in fig. 4, the first slider 10 and the screw nut 6 can drive the duplex cylinder 13 to move up and down in the Z-axis direction, a piston rod of the duplex cylinder 13 is fixedly connected with the ABS gear ring runout detecting mechanism 1, the piston rod of the duplex cylinder 13 can drive the ABS gear ring runout detecting mechanism 1 to move back and forth in the Y-axis direction, referring to fig. 6, the ABS gear ring runout detecting mechanism 1 includes a sensor bracket 14, a cylinder 15 and a displacement sensor 16, the length of the sensor bracket 14 extends along the X-axis direction, one end of the sensor bracket 14 is fixed with the cylinder 15, and the piston rod of the cylinder 15 is used for driving the displacement sensor 16 to move up and down in the Z-axis direction.
In the embodiment, the movement amount of the ABS gear ring runout detection mechanism 1 in the Y direction is automatically controlled by the duplex cylinder 13 in the pneumatic moving device 3, the Z-direction lifting amount and the lifting speed of the ABS gear ring runout detection mechanism 1 are controlled by the servo motor 39, and the Z-direction lifting amount of the displacement sensor 16 on the ABS gear ring runout detection mechanism 1 can be driven by the cylinder 15. The signal input end of the displacement sensor 16 in this embodiment is a measuring head for detecting the jumping signal of the ABS gear ring in the workpiece to be measured, and the signal output end of the displacement sensor 16 is connected with a data collector through a transmission line, and the data collector transmits signals to an upper computer.
In this embodiment, referring to fig. 2, the lower surface of the upper bearing housing 7 and the upper surface of the lower bearing housing 8 are provided with anti-collision blocks 38 to prevent instability of the lifting process due to collision of the first slider 10 and the screw nut 6 in the lifting process, and reduce measurement errors.
In this embodiment, referring to fig. 2 and 3, the base 11 is rectangular and the length of the base 11 extends along the Z-axis direction, the guide rail 9 is fixed on the inner wall of the base 11, the base 11 is fixed with a sliding table 35, the front corner and the rear corner of the base 11 connected with the sliding table 35 are both provided with L-shaped bar-shaped through grooves 17, referring to fig. 4, the first sliding block 10 and the screw nut 6 are both connected with the second sliding block 18, two side edges of the second sliding block 18 respectively extend from the two L-shaped bar-shaped through grooves 17 and the two extending side edges are connected with the sliding table connecting plate 12, a gap 19 is formed between the sliding table connecting plate 12 and the second sliding block 18, and the sliding table 35 passes through the gap 19 so as to realize that the sliding table 35 can slide up and down in the gap 19.
In this embodiment, referring to fig. 2, there are 2 guide rails 9, and the 2 guide rails 9 are respectively located on two sides of the first screw rod 4, and the second slide blocks 18 are connected with the screw nut 6 and the first slide blocks 10 on the 2 guide rails 9. The first slide blocks 10 on the 2 guide rails 9 are simultaneously connected with the second slide blocks 18 and move on the guide rails to share the stress of the pneumatic moving device 3 and the ABS gear ring runout detection mechanism 1 which are connected with the sliding table connecting plate 12.
In this embodiment, the sliding table connecting plate 12 is fixedly connected with the cylinder body of the duplex cylinder 13 of the pneumatic moving device 3 through an L-shaped connecting seat 36. The cylinder body of the duplex cylinder 13 is seated on the L-shaped connection seat 36.
In this embodiment, duplex cylinder 13 is the direction cylinder and is equipped with two piston rods, the top of duplex cylinder 13's cylinder body is fixed with stroke stop device, see fig. 5, stroke stop device includes the block 20, the connecting rod 21, stop nut 22, preceding stopper 23, back stopper 24, second lead screw 25, locking piece 26 and scale 27, preceding stopper 23 and back stopper 24 all pass through the screw fixation at duplex cylinder 13's cylinder body's top, the rear end of second lead screw 25 passes through bearing swivelling joint with back stopper 24, locking piece 26's bottom and preceding side fixed connection of preceding stopper 23, the front end of second lead screw 25 passes preceding stopper 23 and the through-hole at locking piece 26 middle part and the middle part of second lead screw 25 and preceding 23 through bearing swivelling joint in proper order, locking piece 26 is used for making locking piece 26 middle through-hole all around locking second lead screw 25 through the bolt, prevent that second lead screw 25 from taking place free rotation, the well upper portion of locking piece 26 is equipped with the bar notch, locking piece 26's one end and locking piece 26's through-hole intercommunication, the other end runs through locking piece 26 through bearing swivelling joint, the front side fixed connection of bolt 25, thereby the second lead screw 25 is equipped with the through-hole 25 in the second screw 25 when the automatic realization locking piece is equipped with the locking piece 26, the through the bolt hole 25 in the hole of locking piece 25, the realization is rotated in the front of the hole. The second lead screw 25 is in threaded connection with the middle part of the limit nut 22, the limit nut 22 is positioned between the front limit block 23 and the rear limit block 24, the rear side surface of the limit nut 22 is fixedly connected with the front side surface of the blocking block 20 through three connecting rods 21, the blocking block 20 is in a T shape, the blocking block 20 is positioned behind the cylinder body of the duplex cylinder 13, the middle lower part of the blocking block 20 is positioned between two piston rods at the rear end of the duplex cylinder 13, the middle lower part of the rear side surface of the front limit block 23 is connected with the middle lower part of the front side surface of the rear limit block 24 through a connecting rod 28, the connecting rod 28 penetrates through the middle lower part of the limit nut 22, the connecting rod 28 is in sliding connection with the middle lower part of the limit nut 22, the limit nut 22 is a square nut, the right side surface of the limit nut is connected with an indicating arrow 29, the cylinder body surface of the duplex cylinder 13 is provided with a scale 27 matched with the indicating arrow 29, and the connecting rod 21, the second lead screw 25, the scale 27 and the connecting rod 28 are parallel to the expansion direction of the piston rods of the duplex cylinder 13. The stroke of the duplex cylinder 13 can be adjusted according to the process parameters, the size of the adjustment stroke data can be set through the scale 27, the blocking block 20 is at the end stroke of the duplex cylinder 13, the blocking block 20 can block the piston rod to continue to act, the blocking block 20 is connected with the limit nut 22 through the connecting rod 21, and the limit nut 22 is fixedly connected to the second screw rod 25, so that the stroke of the duplex cylinder 13 is adjusted by only adjusting the limit nut 22, the limit nut 22 moves backwards, the cylinder stroke is reduced, the limit nut 22 moves forwards, and the cylinder stroke is increased. The specific method for adjusting the stroke of the cylinder comprises the following steps: the bolts on the locking blocks 26 are loosened, the periphery of the through holes in the middle of the locking blocks 26 are separated from the second screw rod 25, a rotating force is applied to the front end of the second screw rod 25, the limiting nuts 22 can move back and forth on the second screw rod 25, and after the stroke is adjusted according to the scales of the scale 27, the locking blocks 26 are locked on the second screw rod 25 through the bolts. A front limiting block 23 and a rear limiting block 24 are fixedly connected to two ends of the second screw rod 25 so as to fixedly adjust the stroke range of the cylinder and stably operate. The limit nut 22 can only move between the front limit block 23 and the rear limit block 24.
In this embodiment, referring to fig. 8, one end of the sensor support 14 is provided with an L-shaped support 31 and a sensor connection block 32, the sensor support 14, the L-shaped support 31 and the sensor connection block 32 are in an integral structure, a gap 33 is provided between the L-shaped support 31 and the sensor connection block 32, a through hole 34 extending along the Z-axis direction is provided on the surface of the sensor connection block 32 and located in front of the L-shaped support 31, a cylinder body of the cylinder 15 is fixed on the L-shaped support 31, a piston rod of the cylinder 15 is connected with a Z-shaped stop 37, a lower surface of the top of the Z-shaped stop 37 is connected with a piston rod of the cylinder 15, the Z-shaped stop 37 penetrates downward from the gap 33 so that the bottom of the Z-shaped stop 37 is located below the through hole 34, a displacement sensor 16 is placed on the upper surface of the bottom of the Z-shaped stop 37, the top of the displacement sensor 16 penetrates from the through hole 34, and a measuring head of the displacement sensor is located at the top of the displacement sensor 16. When the cylinder 15 drives the Z-shaped stopper 37 to rise, the displacement sensor 16 is also lifted up by the Z-shaped stopper 37, the displacement sensor 16 slides upward in the through hole 34, and when the cylinder 15 drives the Z-shaped stopper 37 to fall, the displacement sensor 16 falls freely.
The displacement sensor 16 of the present embodiment is in an elongated shape, and the displacement sensor 16 is an inductive displacement sensor, and other types of displacement sensors, such as a capacitive displacement sensor, may be used in the implementation. The displacement sensor 16 converts the measured runout into an electric signal, filters, amplifies, and performs AD conversion on the measured signal, and feeds the signal back to the upper computer for processing through the data acquisition device, so that the measurement of the end face circle runout of the ABS gear ring is finally realized.
The servo motor 39 in the linear guide device 2 of the embodiment can be automatically controlled by driving a servo motor driver through an upper computer, the double cylinder 13 in the pneumatic moving device 3 can control the action of a cylinder electromagnetic valve on a pipeline of the double cylinder 13 through an external cylinder controller, so that the double cylinder 13 is controlled to work, and similarly, the cylinder 15 can also be automatically controlled according to the mode. However, the present embodiment is not limited to the two control methods described above, and other control methods may be adopted in the prior art.
Referring to fig. 9, a small cylinder (cylinder 15) in the ABS gear ring runout detection mechanism 1 can drive the displacement sensor 16 to move in the vertical direction of the Z direction, and because the ABS gear rings 40 in the measured workpiece 41 (such as a hub) of different types are located at different positions, the purpose of this embodiment is to make the measuring head of the displacement sensor 16 detect the ABS gear ring 40 located in the depth of the measured workpiece 41 (such as a hub), and the cylinder 15 can be used to push the displacement sensor 16 to the ABS gear ring 40 in the depth of the hub, so as to implement contact detection with the end surface of the ABS gear ring 40, so as to ensure the validity of the data measured by the measuring head of the displacement sensor 16 during measurement.
Referring to fig. 9, when the present embodiment is used, the workpiece 41 to be measured is positioned and clamped by an external clamping device, and the Z-direction movement amount of the linear guide device 2 and the Y-direction movement amount of the pneumatic movement device 3 are controlled according to the position of the ABS gear ring 40 in the workpiece 41 to be measured, so that the displacement sensor 16 for measuring the end face runout is not in contact with the surface of the ABS gear ring 40 in the workpiece 41 to be measured, and the displacement sensor 16 is located right below the end face teeth of the ABS gear ring 40 in the workpiece 41 to be measured. The measured workpiece 41 is generally driven to rotate by an external motor, when the external motor acts, the measured workpiece 41 rotates to drive the ABS gear ring 40 in the measured workpiece 41 to rotate, meanwhile, the Z-shaped stop block 37 is driven to ascend by the air cylinder 15, the displacement sensor 16 is lifted to the depth of the measured workpiece 41 by the Z-shaped stop block 37 and is contacted with the end face teeth of the ABS gear ring positioned in the depth, the displacement sensor 16 starts to detect the end face teeth of the ABS gear ring 40, the displacement sensor 16 transmits measured signals to the upper computer through the data collector, the upper computer processes the measured data and draws a dynamic data curve when the displacement sensor 16 measures, and a measurement result is given. According to the embodiment, the displacement sensor 16 is automatically contacted and separated with the ABS gear ring 40 in the vertical direction through the air cylinder 15, so that collision between the displacement sensor 16 and other positions of the workpiece 41 to be detected during detection can be effectively prevented, and the service life of the displacement sensor 16 is prolonged. The invention is suitable for measuring different ABS gear rings. The end face teeth of the ABS gear ring are positioned on the lower surface of the ABS gear ring.
When the model of the workpiece 41 to be measured changes, the size of the ABS gear ring 40 in the workpiece 41 to be measured changes, and the position of the end face of the ABS gear ring 40 changes. In addition, the manual reading of the conventional indicator is easy to generate errors, and the embodiment directly measures the ABS gear ring 40 through the displacement sensor 16, so that errors generated by the manual reading are reduced.
The scope of the present invention includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the invention.
Claims (3)
1. An ABS ring gear measurement device that beats, its characterized in that: the device comprises an ABS gear ring runout detection mechanism (1), a linear guide rail device (2) for driving the ABS gear ring runout detection mechanism (1) to move along the Z-axis direction and a pneumatic moving device (3) for driving the ABS gear ring runout detection mechanism (1) to move along the Y-axis square direction, wherein the linear guide rail device (2) comprises a servo motor (39), a first screw rod (4), a coupler (5), a screw nut (6), an upper bearing seat (7), a lower bearing seat (8), a guide rail (9), a first sliding block (10) and a base (11), the top end of the inner wall of the base (11) is fixedly provided with the upper bearing seat (7) and the bottom end of the inner wall of the base (11) is fixedly provided with the lower bearing seat (8), the top end of the first screw rod (4) sequentially penetrates through the inner ring of an inner bearing of the upper bearing seat (7) and the top end of the base (11) and is fixedly connected with the inner ring of the inner bearing of the upper bearing seat (7), the top end of the first screw rod (4) is connected with an output shaft of the servo motor (39) through a coupler (5), the bottom end of the first screw rod (4) is fixedly connected with the inner ring of the lower bearing seat (8) and the first screw rod (4) is fixedly connected with the inner side wall (9) of the inner side wall (9), the pneumatic moving device comprises a guide rail (9), a first sliding block (10) is slidably connected to the guide rail (9), the pneumatic moving device (3) comprises a duplex cylinder (13), the first sliding block (10) and a screw nut (6) are fixedly connected with a cylinder body of the duplex cylinder (13) through a sliding table connecting plate (12), a piston rod of the duplex cylinder (13) is fixedly connected with an ABS gear ring runout detection mechanism (1), the ABS gear ring runout detection mechanism (1) comprises a sensor support (14), a cylinder (15) and a displacement sensor (16), the length of the sensor support (14) extends along the X-axis direction, one end of the sensor support (14) is fixedly provided with the cylinder (15), and the piston rod of the cylinder (15) is used for driving the displacement sensor (16) to move up and down along the Z-axis direction;
the base (11) is cuboid-shaped, the length of the base (11) extends along the Z-axis direction, the guide rail (9) is fixed on the inner wall of the base (11), the base (11) is fixedly provided with a sliding table (35), the front corner and the rear corner of the base (11) connected with the sliding table (35) are respectively provided with an L-shaped strip-shaped through groove (17), the first sliding block (10) and the screw nut (6) are respectively connected with a second sliding block (18), two side edges of the second sliding block (18) extend out of the two L-shaped strip-shaped through grooves (17) respectively, two side edges of the second sliding block (18) are connected with a sliding table connecting plate (12), a gap (19) is formed between the sliding table connecting plate (12) and the second sliding block (18), and the sliding table (35) passes through the gap (19), so that the sliding table (35) can slide up and down in the gap (19).
The guide rails (9) are 2, the 2 guide rails (9) are respectively positioned at two sides of the first screw rod (4), and the second sliding blocks (18) are connected with the screw rod nuts (6) and the first sliding blocks (10) on the 2 guide rails (9);
the sliding table connecting plate (12) is fixedly connected with a cylinder body of a duplex cylinder (13) of the pneumatic moving device (3) through an L-shaped connecting seat (36);
the top of the cylinder body of the duplex cylinder (13) is fixedly provided with a travel limiting device, the travel limiting device comprises a blocking block (20), a connecting rod (21), a limiting nut (22), a front limiting block (23), a rear limiting block (24), a second screw rod (25), a locking block (26) and a scale (27), the front limiting block (23) and the rear limiting block (24) are both fixed at the top of the cylinder body of the duplex cylinder (13), the rear end of the second screw rod (25) is rotationally connected with the rear limiting block (24), the bottom of the locking block (26) is fixedly connected with the front side surface of the front limiting block (23), the front end of the second screw rod (25) sequentially penetrates through a through hole in the middle of the front limiting block (23) and the middle of the locking block (26) and is rotationally connected with the middle of the front limiting block (23), the locking block (26) is used for locking the middle of the second screw rod (25) through bolts, the second screw rod (25) is in threaded connection with the middle of the limiting nut (22) and is located between the front limiting block (23) and the front side surface of the front limiting block (20) through the connecting rod (20), the blocking block (20) is positioned behind the cylinder body of the duplex cylinder (13) and between two piston rods at the rear end of the duplex cylinder (13), the middle lower part of the rear side surface of the front limiting block (23) is connected with the middle lower part of the front side surface of the rear limiting block (24) through a connecting rod (28), the connecting rod (28) penetrates through the middle lower part of a limiting nut (22), the connecting rod (28) is in sliding connection with the middle lower part of the limiting nut (22), the limiting nut (22) is a square nut, the right side surface of the limiting nut is connected with an indicating arrow (29), a scale (27) matched with the indicating arrow (29) is arranged on the cylinder body surface of the duplex cylinder (13), the connecting rod (21), the second lead screw (25), the scale (27) and the connecting rod (28) are all parallel to the telescopic direction of the piston rod of the duplex cylinder (13), and the two piston rods at the front end of the duplex cylinder (13) are connected with the sensor bracket (14) through a bracket connecting plate (30).
2. The ABS ring gear runout measuring device according to claim 1 wherein: the sensor support is characterized in that an L-shaped support (31) and a sensor connecting block (32) are arranged at one end of the sensor support (14), a gap (33) is arranged between the L-shaped support (31) and the sensor connecting block (32), a through hole (34) extending along the Z-axis direction is formed in the surface of the sensor connecting block (32), the through hole (34) is located in front of the L-shaped support (31), a cylinder body of the cylinder (15) is fixed on the L-shaped support (31), a Z-shaped stop block (37) is connected with a piston rod of the cylinder (15) through the lower surface of the top of the Z-shaped stop block (37), the lower surface of the top of the Z-shaped stop block (37) is connected with the piston rod of the cylinder (15), and the bottom of the Z-shaped stop block (37) downwards penetrates out from the gap (33) so that the bottom of the Z-shaped stop block (37) is located below the through hole (34), and a displacement sensor (16) is placed on the upper surface of the bottom of the Z-shaped stop block (37) and the top of the displacement sensor (16) is penetrated out from the through hole (34).
3. The ABS ring gear runout measuring device according to claim 1 wherein: the lower surface of the upper bearing seat (7) and the upper surface of the lower bearing seat (8) are both provided with anti-collision blocks (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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