CN117168368A - Automatic calibrating device for universal caliper and detection method thereof - Google Patents
Automatic calibrating device for universal caliper and detection method thereof Download PDFInfo
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- CN117168368A CN117168368A CN202310978081.1A CN202310978081A CN117168368A CN 117168368 A CN117168368 A CN 117168368A CN 202310978081 A CN202310978081 A CN 202310978081A CN 117168368 A CN117168368 A CN 117168368A
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000006073 displacement reaction Methods 0.000 claims abstract description 57
- 238000012795 verification Methods 0.000 claims abstract description 8
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- 230000000903 blocking effect Effects 0.000 claims description 8
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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Abstract
The invention discloses a universal caliper automatic verification device and a detection method thereof, wherein the universal caliper automatic verification device comprises: the device comprises a caliper clamping mechanism for positioning a caliper, a displacement measuring mechanism and a grating ruler which are positioned at one side of the caliper clamping mechanism, and a vision system positioned above the caliper clamping mechanism; the caliper clamping mechanism comprises a guide rail arranged on the mounting table, and a clamping and positioning part I, a clamping and positioning part II and a displacement clamping seat which is arranged on the guide rail in a sliding manner are arranged on the guide rail and used for clamping and positioning a caliper body of the caliper, and the displacement clamping seat drives a caliper frame on the caliper to displace; the displacement measuring mechanism comprises a probe which is driven at one side of the caliper clamping mechanism and can be in contact displacement relative to the caliper. The invention discloses an automatic calibrating device for a universal caliper and a detection method thereof, which improve the calibrating efficiency and simultaneously enable the calibrating result to be more stable and reliable, and can measure the surface roughness and the planeness of the caliper.
Description
Technical Field
The invention relates to the technical field of machining, in particular to an automatic calibrating device for a universal caliper and a detection method thereof.
Background
The vernier caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth. The vernier caliper consists of a main scale and a vernier which is attached to the main scale and can slide. The vernier caliper has definite requirements for three conditions, items, requirements and methods and the treatment of the result.
In the prior art, the verification of vernier calipers is mostly performed by manual operation of verification staff, eye force observation and measurement operation by means of various instrument gauges. The process is complicated to operate, has high technical requirements on personnel, has low verification efficiency, and is difficult to ensure stable and consistent verification quality.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides the automatic calibrating device for the universal caliper and the detecting method thereof, improves the calibrating efficiency, ensures that the calibrating result is more stable and reliable, and can measure the surface roughness and the planeness of the caliper.
In order to achieve the above purpose, the invention adopts the following technical scheme: a universal caliper automatic verification device comprising: the device comprises a caliper clamping mechanism for positioning a caliper, a displacement measuring mechanism and a grating ruler which are positioned on one side of the caliper clamping mechanism, and a vision system positioned above the caliper clamping mechanism;
the caliper clamping mechanism comprises a guide rail arranged on the mounting table, wherein a first clamping positioning part, a second clamping positioning part and a displacement clamping seat are arranged on the guide rail in a sliding manner, and the first clamping positioning part and the second clamping positioning part are used for clamping and positioning a caliper body of the caliper;
the displacement measuring mechanism comprises a probe which is driven at one side of the caliper clamping mechanism and can be in contact displacement relative to the caliper.
In a preferred scheme of the invention, the clamping and positioning part I comprises a measuring jaw end sliding plate which is arranged on the guide rail in a sliding way, wherein a step cushion block and a pressure head which can longitudinally displace relative to the step cushion block are arranged on the measuring jaw end sliding plate; and a positioning step which is propped against the end part of the caliper is arranged on the step cushion block.
In a preferred scheme of the invention, the clamping and positioning part II comprises a tail end sliding plate which is arranged on the guide rail in a driving way, and the tail end sliding plate is provided with a clamping assembly and a limiting blocking piece;
the clamping assembly comprises a fixed jaw fixedly arranged on the tail end sliding plate and a movable jaw capable of opening and closing displacement relative to the fixed jaw;
the limiting blocking piece comprises a left stop block and a right stop block which are respectively arranged at the tail ends of the fixed jaw and the movable jaw, and a rear stop block which can be displaced relative to the right stop block or the left stop block.
In a preferred scheme of the invention, the displacement clamp comprises a fixed base arranged on one side of the guide rail, wherein the fixed base is provided with a constant-height cushion block and a ruler frame pressing plate which can clamp the ruler frame to displace relatively to the constant-height cushion block.
In a preferred scheme of the invention, the displacement measuring mechanism further comprises a base arranged on the outer side of the guide rail, a Y-axis module is arranged on the base, an X-axis module is arranged on the Y-axis module in a driving mode, an angle adjusting motor is arranged on the X-axis module in a driving mode, and the detecting head capable of swinging relative to the caliper is arranged on the X-axis module in a driving mode.
In a preferred scheme of the invention, the vision system comprises an X-axis module which is arranged at one side of the caliper clamping mechanism and is parallel to the track of the guide rail, a Z-axis module is arranged on the X-axis module in a driving way, a moving plate which can longitudinally lift relative to the mounting table is arranged on the Z-axis module in a driving way, and a plurality of detection cameras and laser sensors which correspond to the caliper of the mounting table are arranged on the moving plate.
In a preferred scheme of the invention, one side of the guide rail is provided with a grating ruler parallel to the guide rail.
In a preferred scheme of the invention, the tail end sliding plate is connected to one side of the track through a linear motor in a driving way, and the driving track of the linear motor is parallel to the track.
In a preferred scheme of the invention, the detection head is arranged on the angle modulation motor through a lever type displacement sensor.
In a preferred scheme of the invention, the detection method of the automatic calibrating device of the universal caliper comprises the following steps:
the clamping and positioning part is used for clamping the measuring jaw end of the ruler body at one end of the caliper, the datum plane of the measuring jaw end of the ruler body at one end of the caliper is abutted against the positioning step of the step cushion block, and the pressure head is used for clamping the measuring jaw end of the caliper relative to the displacement of the step cushion block;
the clamping and positioning part II clamps the tail end of the caliper, the tail end of the caliper is used for planning the position of the caliper through the limiting blocking piece, and the movable jaw is displaced relative to the fixed jaw to clamp the tail end of the caliper;
the equal-height cushion block and the ruler frame pressing plate of the displacement clamping seat clamp the ruler frame of the caliper, and drive the displacement clamping seat to drive the ruler frame to open relative to the ruler body of the caliper and relative to the ruler body measuring jaw end displacement;
the Y-axis module and the X-axis module of the displacement measuring mechanism are adjusted to drive the detection head on the angle modulation motor to horizontally displace relative to the caliper, the angle modulation motor is driven to drive the detection head to swing and press against the caliper, and the X-axis module parallel to the guide rail is driven to displace to detect the surface flatness of the caliper;
and driving a camera of the vision system to acquire images and detect appearance state parameters of the caliper, and detecting distances between the laser sensors at different displacement positions and the surface of the caliper through the laser sensors.
The invention solves the defects existing in the background technology:
according to the automatic calibrating device and the detecting method for the universal caliper, disclosed by the invention, the calibrating efficiency is improved, the calibrating result is more stable and reliable, and the surface roughness and the planeness of the caliper can be measured.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an isometric view of a preferred embodiment of the invention;
FIG. 2 is a schematic diagram of a second perspective structure of a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of an isometric view of a mounting table with the mounting table removed in accordance with a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of the assembled structure of the caliper holding mechanism and displacement measuring mechanism and the grating scale and the linear motor in the preferred embodiment of the present invention;
FIG. 5 is an isometric view of a caliper holding mechanism in a preferred embodiment of the invention;
FIG. 6 is a schematic top view of a caliper holding mechanism in a preferred embodiment of the present invention;
FIG. 7 is a schematic view of the displacement measuring mechanism in accordance with the preferred embodiment of the present invention;
FIG. 8 is a schematic diagram of the visual system in a preferred embodiment of the present invention;
the device comprises a mounting table, a caliper clamping mechanism, a displacement measuring mechanism, a vision system, a grating ruler, a linear motor and a linear motor, wherein the mounting table, the caliper clamping mechanism, the displacement measuring mechanism, the vision system and the linear motor are arranged in sequence, and the linear motor is arranged in sequence; 7-calipers;
2-1 parts of horizontal base plates, 2-2 parts of guide rails, 2-3 parts of measuring jaw end sliding blocks, 2-4 parts of measuring jaw end sliding blocks, 2-5 parts of step cushion blocks, 2-6 parts of measuring jaw end electric cylinders, 2-7 parts of electric cylinder bases, 2-8 parts of L-shaped pressing plates, 2-9 parts of pressing heads, 2-10 parts of fixed bases, 2-11 parts of fixed electric cylinder bases, 2-12 parts of ruler frame pressing plates, 2-13 parts of equal-height cushion blocks, 2-14 parts of ruler frame electric cylinders, 2-15 parts of tail end sliding blocks, 2-16 parts of tail end sliding blocks, 2-17 parts of stop base blocks, 2-18 parts of stop electric cylinders, 2-19 parts of clamping bases, 2-20 parts of clamping electric cylinders, 2-21 parts of movable jaws, 2-22 parts of fixed jaws, 2-23 parts of left stop blocks, 2-24 parts of right stop blocks, 2-25 parts of rear stop blocks, 2-26 parts of connecting plates; 201. clamping and positioning parts I, 202, clamping and positioning parts II and 203-displacement clamping seats;
3-1 parts of a base, 3-2 parts of a Y-axis module, 3-3 parts of an X-axis module, 3-4 parts of an angle modulation motor; 3-5 parts of angle adjusting shaft, 3-6 parts of displacement sensor, 3-7 parts of detection head, 3-8 parts of bearing with seat, 3-9 parts of bearing seat, 3-10 parts of motor fixing seat;
4-1, X-axis module, 4-2, module connecting plate, 4-3, Z-axis module, 4-4, camera one mounting plate, 4-5, camera one, 4-6, laser sensor, 4-7, sensor base, 4-8, camera two, 4-9, camera two mounting plate, 4-10, movable plate.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
Example 1
As shown in fig. 1 to 8, an automatic calibrating device for a universal caliper includes: a caliper clamping mechanism 2 for positioning a caliper 7, a displacement measuring mechanism 3 and a grating ruler 5 which are positioned on one side of the caliper clamping mechanism 2, and a vision system 4 positioned above the caliper clamping mechanism 2; the caliper clamping mechanism 2 comprises a guide rail 2-2 arranged on a mounting table 1, wherein the mounting table 1 adopts a marble Dan Pingban; the guide rail 2-2 is provided with a first clamping and positioning part 201, a second clamping and positioning part 202 and a displacement clamping seat 203 which is arranged on the guide rail 2-2 in a sliding manner, wherein the first clamping and positioning part 201 and the second clamping and positioning part 202 are used for clamping and positioning the ruler body of the caliper 7, and the displacement clamping seat 203 drives the ruler frame on the caliper 7 to displace; the displacement measuring mechanism 3 comprises a probe 3-7 which is driven on one side of the calliper holding mechanism 2 and can be displaced in contact with the calliper 7. The grating ruler 5 is arranged on one side of the guide rail 2-2 and is parallel to the guide rail 2-2.
Specifically, as shown in fig. 1-5, a first clamping positioning part 201 of the caliper clamping mechanism 2 comprises a measuring jaw end sliding plate 2-4 arranged on a guide rail 2-2 in a sliding manner, a step cushion block 2-5 is arranged on the measuring jaw end sliding plate 2-4, and a positioning step propped against the end part of the caliper 7 is arranged on the step cushion block 2-5; the measuring jaw end sliding plate 2-4 is provided with an electric cylinder base 2-7, the electric cylinder base 2-7 is provided with a measuring jaw end electric cylinder 2-6 in a driving mode, the measuring jaw end electric cylinder 2-6 is connected with an L-shaped pressing plate 2-8 in a driving mode, the lower portion of the L-shaped pressing plate 2-8 is provided with a pressing head 2-9, the measuring jaw end electric cylinder 2-6 drives the L-shaped pressing plate 2-8 to drive the pressing head 2-9 to longitudinally displace relative to the end portion of the caliper 7 on the step cushion block 2-5 to clamp the end portion of the ruler 7.
As shown in fig. 1 to 6, the second clamping and positioning portion 202 of the caliper clamping mechanism 2 includes a tail end sliding plate 2-16 arranged on the guide rail 2-2 in a driving manner, the tail end sliding plate 216 is connected to one side of the rail 2-2 through a linear motor 6 in a driving manner, and a driving track of the linear motor 6 is parallel to the rail 2-2. The tail end sliding plate 2-15 is provided with a stop block base 2-17 and a clamping base 2-19. The stop bases 2-17 and the clamping bases 2-19 are respectively provided with a clamping assembly and a limiting blocking piece in a driving mode. The stopper base 2-17 is provided with a clamping assembly which comprises a fixed jaw 2-22 fixedly arranged on the tail end sliding plate 215 and a movable jaw 2-21 capable of opening and closing displacement relative to the fixed jaw 2-22. And the movable jaw 2-21 is arranged on the stop block base 2-17 in a driving way through the clamping electric cylinder 2-20. The stop bases 2-17 are provided with limit stops. The limit stop piece comprises a left stop block 2-23 and a right stop block 2-24 which are respectively arranged at the tail ends of the fixed jaw 2-22 and the movable jaw 2-21, and a rear stop block 2-25 which is arranged on the stop block base 2-17 and can be displaced relative to the right stop block 2-24 or the left stop block 2-23, wherein the rear stop block 2-25 is arranged on the stop block base 2-17 in a driving way through a stop block electric cylinder 2-18.
The displacement clamping seat 203 comprises a fixed base 2-10 arranged on one side of the guide rail 2-2, a fixed electric cylinder seat 2-11 is arranged on one side of the fixed base 2-10, and a constant-height cushion block 2-13 is arranged on the other side of the fixed base 2-10; the fixed electric cylinder seat 2-11 is also provided with a ruler frame pressing plate 2-12 which can open and close the corresponding high cushion block 2-13 to clamp the ruler frame to displace, the ruler frame pressing plate 2-12 is arranged on the fixed electric cylinder seat 2-11 in a driving way through the ruler frame electric cylinder 2-14, and the ruler frame electric cylinder 2-14 drives the ruler frame pressing plate 2-12 to open and close the corresponding high cushion block 2-13 to clamp the ruler frame to displace longitudinally.
As shown in fig. 2, 3 and 7, the displacement measuring mechanism 3 further comprises a base 3-1 arranged on the outer side of the guide rail 2-2, a Y-axis module 3-2 is arranged on the base 3-1, an X-axis module 3-3 is arranged on the Y-axis module 3-2 in a driving mode, an angle adjusting motor 3-4 is arranged on the X-axis module 3-3 in a driving mode, the angle adjusting motor 3-4 is arranged on the X-axis module 3-3 in a driving mode through a motor fixing seat 3-10, and a driving end of the angle adjusting motor 3-4 is in driving connection with an angle adjusting shaft 3-5 through a bearing 3-8 arranged on a bearing seat 3-9. The detecting head 3-7 is arranged on the angle modulation motor 3-4 in a driving way through the lever type displacement sensor 3-6, and the detecting head 3-7 and the lever type displacement sensor 3-6 are in driving connection with the angle modulation shaft 3-5 of the angle modulation motor 3-4.
As shown in fig. 2, 3 and 8, the vision system 4 comprises an X-axis module 4-1 arranged on one side of the caliper clamping mechanism 2 and parallel to the track of the guide rail 2-2, a Z-axis module 4-3 is arranged on the X-axis module 4-1 in a driving manner, a moving plate 4-10 capable of longitudinally lifting and lowering relative to the mounting table 1 is arranged on the Z-axis module 4-3 in a driving manner, and a plurality of detection cameras and laser sensors 4-6 corresponding to the caliper 7 of the mounting table 1 are arranged on the moving plate 4-10. In this embodiment, two detection cameras are used, including a first camera 4-5 and a second camera 4-8, which are arranged on the moving plate 4-10 at intervals. And the first camera 4-5 is installed on the moving plate 4-10 through the first camera mounting plate 4-4, the second camera 4-8 is installed on the moving plate 4-10 through the second camera mounting plate 4-9, a sensor base 4-7 is further arranged between the first camera mounting plate 4-4 and the second camera mounting plate 4-9, the laser sensor 4-6 is arranged on the sensor base 4-7, and the first camera 4-5, the second camera 4-8 and the detection end of the laser sensor 4-6 are downward corresponding to the displacement measuring mechanism 3 and the caliper 7 to be detected.
Example two
On the basis of the first embodiment, the detection method of the automatic universal caliper calibrating device is realized through the automatic universal caliper calibrating device, and comprises the following steps of:
the clamping and positioning part I201 clamps the measuring jaw end of the caliper 7, the reference surface of the measuring jaw end of the caliper 7 abuts against the positioning step of the step cushion block 2-5, and the pressure head 2-9 displaces relative to the step cushion block 2-5 to clamp the measuring jaw end of the caliper 7;
the second clamping and positioning part 202 clamps the tail end of the caliper 7, the tail end of the caliper 7 is provided with a position of the caliper by a limiting blocking piece, and the movable jaw 2-21 is displaced relative to the fixed jaw 2-22 to clamp the tail end of the caliper 7;
the equal-height cushion blocks 2-13 and the ruler frame pressing plates 2-12 of the displacement clamping seat 203 clamp the ruler frame of the caliper 7, and the displacement clamping seat 203 is driven to drive the ruler frame to be opened relative to the ruler body of the caliper 7 and to move relative to the ruler body measuring claw end;
the Y-axis module 3-2 and the X-axis module 3-3 of the displacement measuring mechanism 3 are adjusted to drive the detection head 3-7 on the angle modulation motor 3-4 to horizontally displace relative to the caliper 7, the angle modulation motor 3-4 is driven to drive the detection head 3-7 to swing and press against the caliper 7, and the X-axis module 3-3 parallel to the guide rail 2-2 is driven to displace to detect the surface flatness of the caliper 7;
the camera of the vision system 4 is driven to collect images to detect appearance state parameters of the caliper 7, and the distance between the laser sensor 4-6 and the surface of the caliper 7 at different displacement positions is detected through the laser sensor 4-6.
Working principle:
as shown in figures 1-8, the device is generally used for freely positioning and clamping a vernier, a tape meter or a digital caliper, and a type I depth gauge; the linear motor 6 provides power to enable the caliper positioning and clamping mechanism 2 to open the caliper according to a set size; the grating ruler 5 is used for precisely controlling and displaying the opening size value of the caliper. The displacement measuring mechanism 3 is used for verifying whether the surface roughness, flatness and parallelism of the measuring surface of the caliper are in accordance with the requirements by utilizing the displacement sensor 3-6 integrated on the displacement measuring mechanism through the movement of the X-Y two-axis modules 3-2 and 3-3 and the movement of the angle adjusting motor 3-4. The vision system 4 precisely adjusts the working positions of the first camera 4-5, the second camera 4-8 and the laser sensor 4-6 through the X-axis module 4-1, the Z-axis module 4-3 and the movement, the two cameras are used for checking the appearance of a caliper, reading the vernier, a tape meter or a digital display caliper, and detecting whether zero value errors, the width and width differences of the scale marks, partial relative errors of the caliper and the like accord with regulations or not. The laser sensor 4-6 is used for verifying whether the distance from the edge of the marking surface of the vernier to the marking surface of the main scale or the gap between the tail end of the circular scale pointer of the calliper with the meter and the marking surface meets the specification.
When the caliper is in operation, the reference surface of the measuring jaw end of the caliper abuts against the positioning step of the step cushion block 2-5, the bottom plane of the caliper is placed on the equal-height surface of the step cushion block 2-5, and the measuring jaw end electric cylinder 2-6 drives the L-shaped pressing plate 2-8 and the pressing head 2-9 to move downwards so as to set moment to press the measuring jaw end of the caliper on the equal-height surface of the step cushion block 2-5. The rule frame electric cylinder 2-14 descends to drive the rule frame pressing plate 2-12 and the copper lining plate to descend so as to set moment to press the rule frame measuring claw on the upper surface of the equal-height cushion block 2-13. The lower surface of the tail end of the ruler body is horizontally arranged on the upper surface of the fixed jaw 2-22, the inner side edge of the ruler body is abutted against the edge of the jaw of the fixed jaw 2-22, and the end face of the ruler body is aligned with the end faces of the left stop block 2-23 and the right stop block 2-24.
The angle adjusting motor 3-4 rotates the detecting head 3-7 of the adjustable displacement sensor 3-6 to a proper posture, and the posture should form an included angle of more than 0 DEG and less than 90 DEG with the detected surface. The X-axis module 3-3 is moved to enable the detection head 3-7 of the displacement sensor 3-6 to be in contact with the detection surface, then the Y-axis is moved to enable the detection head 3-7 of the displacement sensor 3-6 to move on the detected surface, and the surface roughness, flatness and parallelism of the detection surface are measured through data signals captured by the sensor.
When a camera I4-5 of the vision system works, the X-axis module 4-1 and the Z-axis module 4-3 move to enable the camera I4-5 to be in a photographing position, and after photographing conditions are met, the camera I4-5 photographs and detects appearance defects or digital caliper readings; when the second camera 4-8 works, the X-axis module 4-1 and the Z-axis module 4-3 move to enable the second camera 4-8 to be in a photographing position, after photographing conditions are met, the second camera 4-8 detects and reads the readings of vernier calipers and meter calipers, and detects whether zero value errors, the width and width differences of the scale marks, partial relative errors of the calipers and the like meet the regulations; as described, when the laser sensor 4-6 works, the X-axis module 4-1 and the Z-axis module 4-3 move to enable the laser sensor 4-6 to be located at a detection position, and after the detection condition is met, the distance from the edge of the marked surface of the vernier to the marked surface of the main scale or the numerical value of the gap between the tail end of the circular scale pointer of the caliper with the meter and the marked surface is measured by the laser sensor 4-6.
In view of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made herein without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. An automatic calibrating device for a universal caliper, comprising:
a caliper clamping mechanism (2) for positioning a caliper (7), a displacement measuring mechanism (3) and a grating ruler (5) which are positioned on one side of the caliper clamping mechanism (2), and a vision system (4) positioned above the caliper clamping mechanism (2);
the caliper clamping mechanism (2) comprises a guide rail (2-2) arranged on the mounting table (1), a clamping and positioning part I (201), a clamping and positioning part II (202) and a displacement clamping seat (203) which is arranged on the guide rail (2-2) in a sliding manner are arranged on the guide rail (2-2), and the displacement clamping seat (203) is used for driving a ruler frame on the caliper (7) to displace;
the displacement measuring mechanism (3) comprises a probe (3-7) which is driven on one side of the caliper clamping mechanism (2) and can be in contact displacement relative to the caliper (7).
2. The automatic universal caliper calibration device of claim 1, wherein: the clamping and positioning part I (201) comprises a measuring jaw end sliding plate (2-4) which is arranged on the guide rail (2-2) in a sliding manner, a step cushion block (2-5) is arranged on the measuring jaw end sliding plate (2-4), and a pressure head (2-9) which can longitudinally displace relative to the step cushion block (2-5); and a positioning step which is propped against the end part of the caliper (7) is arranged on the step cushion block (2-5).
3. The automatic universal caliper calibration device of claim 2, wherein: the clamping and positioning part II (202) comprises a tail end sliding plate (2-15) which is arranged on the guide rail (2-2) in a driving way, and a clamping assembly and a limiting blocking piece are arranged on the tail end sliding plate (2-15);
the clamping assembly comprises a fixed jaw (2-22) fixedly arranged on the tail end sliding plate (215), and a movable jaw (2-21) capable of being opened and closed relative to the fixed jaw (2-22);
the limiting blocking piece comprises a left stop block (2-23) and a right stop block (2-24) which are respectively arranged at the tail ends of the fixed jaw (2-22) and the movable jaw (2-21), and a rear stop block (2-25) which can move relative to the right stop block (2-24) or the left stop block (2-23).
4. A universal caliper automatic verification device according to claim 3, wherein: the displacement clamping seat (203) comprises a fixed base (2-10) arranged on one side of the guide rail (2-2), and a constant-height cushion block (2-13) and a ruler frame pressing plate (2-12) which can clamp the ruler frame to displace in an opening and closing mode relative to the constant-height cushion block (2-13) are arranged on the fixed base (2-10).
5. The automatic universal caliper calibration device according to claim 4, wherein: the displacement measuring mechanism (3) further comprises a base (3-1) arranged on the outer side of the guide rail (2-2), a Y-axis module (3-2) is arranged on the base (3-1), an X-axis module (3-3) is arranged on the Y-axis module (3-2) in a driving mode, an angle adjusting motor (3-4) is arranged on the X-axis module (3-3) in a driving mode, and the X-axis module (3-3) is provided with a detecting head (3-7) capable of swinging relative to the caliper (7).
6. The automatic universal caliper calibration device of claim 5, wherein: the vision system (4) comprises an X-axis module (4-1) which is arranged on one side of the caliper clamping mechanism (2) and is parallel to the setting track of the guide rail (2-2), a Z-axis module (4-3) is arranged on the X-axis module (4-1) in a driving mode, a moving plate (4-10) which can longitudinally lift relative to the mounting table (1) is arranged on the Z-axis module (4-3), and a plurality of detection cameras and laser sensors (4-6) which correspond to the caliper (7) of the mounting table (1) are arranged on the moving plate (4-10).
7. The automatic universal caliper calibration device of claim 1, wherein: one side of the guide rail (2-2) is provided with a grating ruler (5) parallel to the guide rail (2-2).
8. The automatic universal caliper calibration device of claim 1, wherein: the tail end sliding plate (2-15) is connected to one side of the track (2-2) through a linear motor (6) in a driving mode, and a driving track of the linear motor (6) is parallel to the track (2-2).
9. The automatic universal caliper calibration device of claim 5, wherein: the detecting head (3-7) is arranged on the angle adjusting motor (3-4) in a driving way through the lever type displacement sensor (3-6).
10. A method for detecting an automatic calibrating device for a universal caliper, characterized in that the method for detecting an automatic calibrating device for a universal caliper according to any of claims 1-9 comprises the following steps:
the clamping and positioning part I (201) clamps the measuring jaw end of the ruler body at one end of the caliper (7), and the datum plane of the measuring jaw end of the ruler body at one end of the caliper (7) is abutted against the positioning step of the step cushion block (2-5), and the pressure head (2-9) displaces relative to the step cushion block (2-5) to clamp the measuring jaw end of the ruler body of the caliper (7);
the clamping and positioning part II (202) clamps the tail end of the caliper (7), the tail end of the caliper (7) wants to position the caliper through the limiting blocking piece, and the movable jaw (2-21) moves relative to the fixed jaw (2-22) to clamp the tail end of the caliper (7);
the equal-height cushion blocks (2-13) and the ruler frame pressing plates (2-12) of the displacement clamping seat (203) clamp the ruler frame of the caliper (7), and drive the displacement clamping seat (203) to drive the ruler frame to move and open relative to the ruler body measuring claw end of the caliper (7);
the Y-axis module (3-2) and the X-axis module (3-3) of the displacement measuring mechanism (3) are adjusted to drive the detection head (3-7) on the angle modulation motor (3-4) to horizontally displace relative to the caliper (7), the angle modulation motor (3-4) is driven to drive the detection head (3-7) to swing and press against the caliper (7), and the X-axis module (3-3) parallel to the guide rail (2-2) is driven to detect the surface flatness of the caliper (7);
and driving a camera of the vision system (4) to acquire images and detect appearance state parameters of the caliper (7), and detecting distances between the laser sensors (4-6) and the surface of the caliper (7) at different displacement positions through the laser sensors (4-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310978081.1A CN117168368A (en) | 2023-08-04 | 2023-08-04 | Automatic calibrating device for universal caliper and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310978081.1A CN117168368A (en) | 2023-08-04 | 2023-08-04 | Automatic calibrating device for universal caliper and detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117359459A (en) * | 2023-12-07 | 2024-01-09 | 无锡英桥自动化设备有限公司 | Special grinding external inclined plane machine for caliper production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359459A (en) * | 2023-12-07 | 2024-01-09 | 无锡英桥自动化设备有限公司 | Special grinding external inclined plane machine for caliper production |
| CN117359459B (en) * | 2023-12-07 | 2024-03-12 | 无锡英桥自动化设备有限公司 | Special grinding external inclined plane machine for caliper production |
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