CN112985221A - System and method for measuring edge polishing and edge of die casting - Google Patents
System and method for measuring edge polishing and edge of die casting Download PDFInfo
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- CN112985221A CN112985221A CN202110547577.4A CN202110547577A CN112985221A CN 112985221 A CN112985221 A CN 112985221A CN 202110547577 A CN202110547577 A CN 202110547577A CN 112985221 A CN112985221 A CN 112985221A
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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
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The invention discloses a system and a method for measuring the edge polishing edge of a die casting, wherein the system for measuring the edge polishing edge of the die casting comprises a base, the top of the base is connected with a sliding seat in a sliding way, the top of the base is fixedly provided with a fixed seat, the top of the fixed seat is fixedly provided with a measuring shell, the top of the sliding seat is fixedly provided with a positioning shell, the inner wall of the measuring shell is connected with two measuring tools which are symmetrically arranged in a sliding way, one side of the measuring shell is connected with a measuring motor in a sliding way, according to the invention, by starting the positioning motor, the die casting can be positioned by the positioning motor, the die casting is driven to be close to the measuring shell after the positioning, the die casting can be measured by starting the measuring motor, and the measurement of four surfaces of the die casting can be realized by rotating ninety degrees and measuring again.
Description
Technical Field
The invention relates to the technical field of measurement systems, in particular to a system and a method for measuring the edge polishing of a die casting.
Background
The die casting is a part for pressure casting, and is a pressure casting mechanical die casting machine which is provided with a casting die, copper, zinc, aluminum or aluminum alloy and other metals which are heated to be in liquid state are poured into a feeding port of the die casting machine, and the copper, zinc, aluminum or aluminum alloy parts with the shapes and the sizes limited by the die are cast by the die casting machine, and the part is generally called as the die casting;
the existing die casting needs to be sampled to measure the die casting before grinding so as to completely grind the die casting, and when the existing measuring equipment measures the die casting, the existing measuring equipment generally adopts an artificial mode to measure, so that the measurement is not accurate, and therefore, a die casting edge grinding edge measuring system and method are provided for solving the problems.
Disclosure of Invention
Based on the technical problems that the die casting is measured manually and the measurement is not accurate in the background technology, the invention provides a die casting edge polishing and edge measuring system and method.
The invention provides a die casting edge polishing and edge measuring system which comprises a base, wherein the top of the base is slidably connected with a sliding seat, the top of the base is fixedly provided with a fixed seat, the top of the fixed seat is fixedly provided with a measuring shell, the top of the sliding seat is fixedly provided with a positioning shell, the inner wall of the measuring shell is slidably connected with two measuring tools which are symmetrically arranged, one side of the measuring shell is slidably connected with a measuring motor, the output shaft of the measuring motor extends into the measuring shell, the output shaft of the measuring motor is fixedly provided with a driving plate, the top of the driving plate is rotatably connected with a matching rod, the bottom ends of the two measuring tools are respectively rotatably connected with a driving rod and a telescopic rod, the telescopic rod is rotatably connected with the driving rod, one end of the driving rod is matched with the matching rod, and one end of the telescopic rod, the drive plate is matched with the inner wall of the measuring shell, a positioning mechanism is arranged in the positioning shell, and a positioning block is fixedly arranged on one side of the fixed seat;
the fixed camera stand that sets up in both sides edge of measuring the shell top, the fixed industry camera that sets up in camera stand top, industry camera, industrial server and positioning motor electricity in proper order are connected, and industrial server is connected with the measurement motor electricity.
Preferably, the positioning mechanism comprises two clamps, two-end threaded rods, a positioning motor, a sleeve, a seesaw rod, a positioning rod, a spring, a driven gear, a fixed rod, a driving gear, a driving block, a connecting rod, a sliding rod and a stop block, the two clamps, the positioning rod, the seesaw rod and the fixed rod are all fixedly arranged on the inner wall of the positioning shell, the outer sides of the two-end threaded rods are both rotatably connected with the inner sides of the two positioning rods, the driven gear is sleeved on the two-end threaded rods, the positioning motor is fixedly arranged on the inner wall of the positioning shell, the sleeve is sleeved on an output shaft of the positioning motor, the driving gear is fixedly sleeved on the sleeve, the sleeve is slidably connected on the inner wall of the positioning shell, the two clamps are both slidably connected on the positioning shell, the two clamps are respectively in threaded connection with both ends of the two-end threaded rods, the driving block is rotationally connected with a connecting rod, the connecting rod is rotationally connected with a sliding rod, one side of the driving block is fixedly connected with a spring, one end of the spring is fixedly connected with the stop block, the stop block is fixedly connected with the inner wall of the positioning shell, the two positioning rods are both connected on the inner wall of the positioning shell in a sliding way and are respectively meshed with the two sides of the bottom of the double-end threaded rod, the positioning rods are connected with the seesaws in a sliding way, the two positioning rods are respectively in one-to-one correspondence with the two seesaws, the two seesaws are both connected with the sliding rods, the driving gear is matched with the driven gear, the positioning mechanism is used for positioning the die casting after the die casting is placed, and meanwhile, the clamping position can be positioned, the die casting can be conveniently measured by the measuring tool, an industrial server is fixedly installed at the edge of one side of the base, and the industrial server is arranged between the fixed seat and the sliding seat.
Preferably, one end of the positioning block is of a conical structure, four positioning through holes arranged in a matrix manner are formed in the positioning shell, the positioning block is matched with the positioning through holes, the clamped die casting can be positioned, and the die casting can be conveniently measured by the measuring tool.
Preferably, the measuring scale is fixedly installed on the upper surface of the measuring shell, pointers are fixedly installed on the two measuring scales, and the two pointers are connected with the measuring scale in a sliding mode and used for indicating the distance between the two sides of the current die casting.
Preferably, two equal fixed mounting have the protection pad on the one side that anchor clamps are close to each other, one side fixed mounting of location shell has the handle, and the protection pad is used for protecting the die casting, and the handle is used for driving the location shell and removes or rotate.
Preferably, a conical groove is formed in one side of the sleeve, a conical block is fixedly mounted on the output shaft of the positioning motor, the outer side of the conical block is connected with the inner wall of the conical groove in a sliding mode, the positioning motor can push the sleeve to one side firstly when being started and then drive the sleeve, the push sleeve is used for unlocking the double-end telescopic rod, and the sleeve rotates to drive the double-end threaded rod to rotate.
Preferably, the same side of the two positioning rods is fixedly provided with a positioning pin, the sliding rod is fixedly provided with a connecting pin, the outer ends of the two seesaw rods are provided with positioning bar holes, the inner ends of the two seesaw rods are provided with sliding bar holes, the positioning bar holes are in sliding connection with the positioning pin, and the sliding bar holes of the two seesaw rods are in sliding connection with the connecting pin and can drive the two positioning rods to be separated from the double-end threaded rod when the sliding rod is driven again, so that the double-end threaded rod is in contact positioning.
Preferably, a plurality of shifting rods which are arranged at equal intervals are fixedly installed on the inner wall of the measuring shell, the shifting rods are meshed with the drive plate, so that when the drive plate is driven by the measuring motor to rotate, the measuring motor can move through the meshing of the shifting rods and the drive plate, and then the two measuring tools are driven by the matching rod, the driving rod and the telescopic rod to approach each other to measure the die casting.
The invention also provides a die casting edge polishing edge measuring method, which comprises the die casting edge polishing edge measuring system and further comprises the following steps:
s1: firstly, placing a die casting to be measured on a positioning shell, and shooting the die casting by an industrial camera to obtain measurement data;
s2: the industrial camera transmits the measurement data to an industrial server for storage;
s3: the industrial server starts a positioning motor so as to control the positioning mechanism to clamp the die casting;
s4: pushing the sliding seat to one side of the measuring shell to drive the positioning shell to be inserted into the positioning block, and positioning the clamped die casting at a position parallel to the measuring shell by the positioning block;
s5: after the industrial camera monitors that the die casting positioning is completed, the industrial server starts a measuring motor, and the die casting is measured through fingers on the two measuring tools;
s6: the industrial camera shoots a measurement image of the pointer and transmits the measurement image to the industrial server for identification processing;
s7: the industrial server compares and stores the measurement data directly shot in the step S1 with the measurement data measured by the pointer in the step S6, and calculates a comparison probability formula of the measurement data directly shot and the measurement data measured by the pointer as follows:
wherein po represents the comparison probability of the shot measurement data and the pointer measurement data, x represents the directly shot measurement data, y represents the measurement data measured by the pointer,
the confidence level of the measured data is indicated,
representing the confidence of the normalized measurement data, and the value range [0,1 ]]，
Representing the EfficientNet-b0 network trained by cross entropy, outputting three possible similar probability values of two input features, wherein each similar probability value has the value range of 0,1]，
Features representing extraction of measurement data from measurement data using a VGG19 network of cross-entropy loss training, wherein,
the feature of extracting the measurement data from the VGG19 network using cross entropy loss training is to take the results of the fourth layer and the fifth layer of the VGG19 network as the measurement data, the activation function used by the activation function layer is a modified Linear Unit (ReLU),
representing the normalized measurement data.
The invention has the beneficial effects that:
1. by starting the positioning motor, the positioning motor firstly pushes the sleeve and drives the sleeve to rotate, the sleeve then pushes the driving block, the driving block upwards lifts the sliding rod, the sliding rod then simultaneously pulls the two seesaws, the two seesaws rotate on the inner wall of the positioning shell, and then simultaneously and downwards pulls the two positioning rods to separate the two positioning rods from the double-end threaded rod and contact and position the double-end threaded rod;
2. when the sleeve is pushed, the driving gear is driven to be meshed with the driven gear, the driving gear drives the driven gear to rotate, the driven gear drives the double-end threaded rod to rotate, and the double-end threaded rod rotates to drive the two clamps to mutually approach or mutually separate to clamp and release die-cast parts;
3. the sliding seat is pushed to one side of the measuring shell to drive the positioning shell to be inserted into the positioning block, and the positioning block positions the clamped die casting in a position parallel to the measuring shell;
4. the measuring motor is started, the drive plate drives the measuring motor to move, the measuring motor is matched with the rod to pull or push the driving rod, the driving rod and the telescopic rod are pulled or pushed to drive the two measuring tools to be close to or away from each other to clamp the positioned die casting, and the pointers on the two measuring tools indicate the size of the current die casting;
5. pulling the positioning shell to be separated from the measuring shell, rotating the positioning shell by ninety degrees, pushing the positioning shell to be in contact with the measuring shell, and then measuring the other two surfaces of the die casting by the measuring tool;
according to the invention, the die casting can be positioned by the positioning motor by starting the positioning motor, the die casting is driven to be close to the measuring shell after positioning, the die casting can be measured by starting the measuring motor, and measurement is carried out again by rotating ninety degrees, so that the measurement of four surfaces of the die casting is realized.
Drawings
FIG. 1 is a schematic structural diagram of a main body of a system for measuring an edge grinding and edge polishing of a die casting provided by the invention;
FIG. 2 is a schematic cross-sectional structural view of an edge grinding and edge measuring system for die castings according to the present invention;
FIG. 3 is a schematic top view of the inner and outer structures of a measurement housing of a die casting edge grinding edge measurement system according to the present invention;
FIG. 4 is a structural system block diagram of a system for measuring the edge grinding and edge polishing of a die casting according to the present invention;
FIG. 5 is an enlarged schematic view of a structure A of a die casting edge grinding and edge measuring system provided by the invention;
FIG. 6 is an enlarged schematic view of a structure B of a die casting edge grinding and edge measuring system provided by the invention.
In the figure: the device comprises a base 1, a sliding seat 2, a handle 3, a clamp 4, a double-end threaded rod 5, a positioning shell 6, a positioning motor 7, a measuring tool 8, a measuring shell 9, a measuring motor 10, a fixing seat 11, a positioning block 12, a pointer 13, a measuring scale 14, a driving rod 15, a telescopic rod 16, a sleeve 17, a seesaw rod 18, a positioning rod 19, a spring 20, a driven gear 21, a fixing rod 22, a matching rod 23, a driving gear 24, a driving block 25, a connecting rod 26, a sliding rod 27, a stopper 28, a dial 29, an industrial camera 30, a camera upright column 31, an industrial server 32, a positioning through hole 33, a protection pad 34, a deflector rod 35, a conical groove 36, a conical block 37, a positioning pin 38, a positioning strip hole 39, a sliding strip hole 40 and.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example 1
Referring to fig. 1-6, the embodiment provides a die casting edge polishing edge measuring system, which includes a base 1, a sliding seat 2 slidably connected to a top of the base 1, a fixed seat 11 fixedly installed on a top of the base 1, a measuring housing 9 fixedly installed on a top of the fixed seat 11, a positioning housing 6 fixedly installed on a top of the sliding seat 2, two measuring tools 8 symmetrically arranged and slidably connected to an inner wall of the measuring housing 9, a measuring motor 10 slidably connected to one side of the measuring housing 9, an output shaft of the measuring motor 10 extending into the measuring housing 9, a dial 29 fixedly installed on an output shaft of the measuring motor 10, a matching rod 23 rotatably connected to a top of the dial 29, a driving rod 15 and a telescopic rod 16 rotatably connected to bottom ends of the two measuring tools 8, the telescopic rod 16 rotatably connected to the driving rod 15, and one end of the driving rod 15 matching with the matching rod, one end of the telescopic rod 16 is connected with the inner wall of the measuring shell 9 in a sliding way, the drive plate 29 is matched with the inner wall of the measuring shell 9, a positioning mechanism is arranged in the positioning shell 6 and comprises a clamp 4, two-end threaded rods 5, a positioning motor 7, a sleeve 17, a seesaw rod 18, a positioning rod 19, a spring 20, a driven gear 21, a fixed rod 22, a driving gear 24, a driving block 25, a connecting rod 26, a sliding rod 27 and a stop block 28, the number of the clamp 4, the number of the positioning rods 19, the number of the seesaw rod 18 and the number of the fixed rod 22 are two, the two fixed rods 22 are both fixedly arranged on the inner wall of the positioning shell 6, the outer side of each two-end threaded rod 5 is rotatably connected with the inner sides of the two positioning rods 19, the driven gear 21 is sleeved on the two-end threaded rods 5, the positioning motor, the sleeve 17 is connected on the inner wall of the positioning shell 6 in a sliding manner, the two clamps 4 are connected on the positioning shell 6 in a sliding manner, the two clamps 4 are respectively in threaded connection with two ends of the double-end threaded rod 5, one end of the sleeve 17 is connected with the driving block 25 in a rotating manner, the driving block 25 is connected with the connecting rod 26 in a rotating manner, the connecting rod 26 is connected with the sliding rod 27 in a rotating manner, one side of the driving block 25 is fixedly connected with the spring 20, one end of the spring 20 is fixedly connected with the stop block 28, the stop block 28 is fixedly connected with the inner wall of the positioning shell 6, the two positioning rods 19 are both connected on the inner wall of the positioning shell 6 in a sliding manner, the two positioning rods 19 are respectively meshed with two sides of the bottom of the double-end threaded rod 5, the positioning rods 19 are in sliding connection with the teeterboards 18, the two positioning rods 19 are, the positioning mechanism is used for positioning the die castings after the die castings are placed, and positioning the clamped position, so that the die castings can be conveniently measured by the measuring tool 8, an industrial server 32 is fixedly installed at the edge of one side of the base 1, the industrial server 32 is arranged between the fixed seat 11 and the sliding seat 2, a positioning block 12 is fixedly installed at one side of the fixed seat 11, one end of the positioning block 12 is of a conical structure, a positioning through hole 33 is formed in the positioning shell 6, the positioning block 12 is matched with the positioning through hole 33 and can be used for positioning the clamped die castings, so that the measuring tool 8 can be conveniently used for measuring the die castings, a measuring ruler 14 is fixedly installed on the upper surface of the measuring shell 9, pointers 13 are fixedly installed on the two measuring tools 8, the two pointers 13 are both in sliding connection with the measuring ruler 14 and are used for indicating the distance between the two sides of the current die castings, and a protection, a handle 3 is fixedly installed on one side of the positioning shell 6, a protection pad 34 is used for protecting die castings, the handle 3 is used for driving the positioning shell 6 to move or rotate, a tapered groove 36 is formed in one side of the sleeve 17, a tapered block 37 is fixedly installed on an output shaft of the positioning motor 7, the outer side of the tapered block 37 is in sliding connection with the inner wall of the tapered groove 36 and is used for pushing the sleeve 17 to one side and then driving the sleeve 17 when the positioning motor 7 is started, the sleeve 17 is pushed to unlock the double-end telescopic rod 16 and rotates to drive the double-end threaded rod 5 to rotate, positioning pins 38 are fixedly arranged on the same sides of the two positioning rods 19, connecting pins 41 are fixedly arranged on the sliding rods 27, positioning bar holes 39 are formed in the outer ends of the two seesaw rods 18, sliding bar holes 40 are formed in the inner ends of the two seesaw rods 18, the positioning bar holes 39 are in sliding connection with the positioning pins 38, the sliding bar holes 40 of the two seesaw, when the sliding rod 27 is driven again, the two positioning rods 19 can be driven by the two seesaw rods 18 to be separated from the double-end threaded rod 5, the double-end threaded rod 5 is in contact positioning, a plurality of shifting rods 35 which are arranged at equal intervals are fixedly installed on the inner wall of the measuring shell 9, the shifting rods 35 are meshed with the drive plate 29, so that when the measuring motor 10 drives the drive plate 29 to rotate, the measuring motor 10 can be driven to move by the aid of the shifting rods 35 and the drive plate 29, and the two measuring tools 8 are driven to approach each other by the aid of the matching rod 23, the driving rod 15 and the telescopic rod 16 to measure die castings.
The fixed camera stand 31 that sets up in both sides edge at measurement shell 9 top, the fixed industry camera 30 that sets up in camera stand 31 top, industry camera 30, industrial server 32 and positioning motor 7 are connected electrically in proper order, and industrial server 32 is connected with measurement motor 10 electricity.
Fig. 3 is a schematic top view of the inner and outer structures of the measurement housing 9 of the die casting edge grinding edge measurement system of the invention, wherein the lower region is the inner structure of the measurement housing 9, and the upper region is the outer structure of the measurement housing 9.
The working principle is as follows: when the die casting needs to be measured, the die casting needing to be measured is placed on the positioning shell 6, then the positioning motor 7 is started, the positioning motor 7 is started to push the sleeve 17 to one side and drive the sleeve 17 to rotate, the sleeve 17 pushes the driving block 25 to one side, the driving block 25 lifts the sliding rod 27 upwards through the connecting rod 26, the sliding rod 27 pulls the two seesaw rods 18 simultaneously, the two seesaw rods 18 rotate on the inner wall of the positioning shell 6, the two far-away ends can pull the two positioning rods 19 downwards simultaneously to drive the two positioning rods 19 to be separated from the double-end threaded rod 5, the double-end threaded rod 5 is contacted and positioned, the sleeve 17 can drive the driving gear 24 to be meshed with the driven gear 21 when being pushed, the driving gear 24 can drive the driven gear 21 to rotate, the driven gear 21 drives the double-end threaded rod 5 to rotate, the double-end threaded rod 5 can drive the two clamps 4 to approach to each other or separate from each other, after the die casting is positioned, the sliding seat 2 is pushed to one side of the measuring shell 9 to drive the positioning shell 6 to be inserted into the positioning block 12, the clamped die casting is positioned in a position parallel to the measuring shell 9 by the positioning block 12, then the measuring motor 10 is started, the measuring motor 10 is meshed with the shifting lever 35 through the dial plate 29, the dial plate 29 drives the measuring motor 10 to move, the measuring motor 10 pulls or pushes the driving rod 15 through the matching rod 23, the driving rod 15 and the telescopic rod 16 pull or push to drive the two measuring tools 8 to mutually approach or separate from each other to clamp the positioned die casting, the pointers 13 on the two measuring tools 8 indicate the size of the current die casting, after the two sides of the die casting are measured, the positioning shell 6 can be pulled to be separated from the measuring shell 9, then the positioning shell 6 is rotated ninety degrees, and the positioning shell 6 is pushed to be in contact with the measuring shell 9, then the measuring tool 8 can measure the other two surfaces of the die casting, and the operation is simple and the use is convenient.
Example 2
The invention also provides a die casting edge polishing edge measuring method, which comprises the die casting edge polishing edge measuring system and further comprises the following steps:
s1: firstly, a die casting to be measured is placed on the positioning shell 6, and the industrial camera 30 shoots the die casting to obtain measurement data;
s2: the industrial camera 30 transmits the measurement data to the industrial server 32 for storage;
s3: the industrial server 32 starts the positioning motor 7 so as to control the positioning mechanism to clamp the die casting;
s4: pushing the sliding seat 2 to one side of the measuring shell 9 to drive the positioning shell 6 to be inserted into the positioning block 12, and positioning the clamped die casting at a position parallel to the measuring shell 9 by the positioning block 12;
s5: after the industrial camera 30 monitors that the die casting positioning is finished, the industrial server 32 starts the measuring motor 10, and the die casting is measured through the pointers 13 on the two measuring tools 8;
s6: the industrial camera 30 shoots a measurement image of the pointer 13 and transmits the measurement image to the industrial server 32 for identification processing;
s7: the industrial server 32 compares and stores the measurement data directly photographed in the step S1 with the measurement data measured by the pointer 13 in the step S6, and calculates a probability formula of comparing the measurement data directly photographed with the measurement data measured by the pointer 13 as follows:
the po represents the comparison probability of the shooting measurement data and the pointer measurement data, and the comparison probability po is greater than the threshold value and is successful and is less than the threshold value and is failed; x represents measurement data directly photographed, y represents measurement data measured by the pointer 13,
the confidence level of the measured data is indicated,
representing the confidence of the normalized measurement data, and the value range [0,1 ]]，
Representing the EfficientNet-b0 network trained by cross entropy, outputting three possible similar probability values of two input features, wherein each similar probability value has the value range of 0,1]，
Features representing extraction of measurement data from measurement data using a VGG19 network of cross-entropy loss training, wherein,
the input of the VGG19 network is the activation function layer of the fourth layer and the characteristic of the measured data is the output of the VGG19 network, and particularly, the characteristic of extracting the measured data from the VGG19 network using cross entropy loss training in the measured data refers to the characteristic of activating the function layer of the fourth layer and the characteristic of extracting the measured data from the fourth layer in the VGG19 networkThe results of five activation function layers, which use activation functions of modified Linear units (relus for short), are used as characteristics of the measurement data,
the normalized measurement data is represented, the data can be automatically compared by adding the formula, and the labor is saved.
The fixed camera stand 31 that sets up in both sides edge at measurement shell 9 top, the fixed industry camera 30 that sets up in camera stand 31 top, industry camera 30, industrial server 32 and positioning motor 7 electricity in proper order are connected, and industrial server 32 is connected with measuring motor 10 electricity, and industrial camera 30 transmits the image information who shoots to industrial server 32, and industrial server 32 controls positioning motor 7 and measuring motor 10 respectively and rotates.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a die casting edge polishing edge measurement system, includes base (1), its characterized in that, the top sliding connection of base (1) has sliding seat (2), the top fixed mounting of base (1) has fixing base (11), the top fixed mounting of fixing base (11) has measurement shell (9), the top fixed mounting of sliding seat (2) has location shell (6), sliding connection has two measuring tools (8) of symmetry setting on the inner wall of measurement shell (9), one side sliding connection of measurement shell (9) has measurement motor (10), measurement motor (10) output shaft extends to in measuring shell (9), fixed mounting has driver plate (29) on measurement motor (10) output shaft, the top of driver plate (29) rotates and is connected with cooperation pole (23), rotates respectively on the bottom of two measuring tools (8) and is connected with initiative pole (15) and telescopic link (16), the telescopic rod (16) is rotatably connected with the driving rod (15), one end of the driving rod (15) is matched with the matching rod (23), one end of the telescopic rod (16) is slidably connected with the inner wall of the measuring shell (9), the driving plate (29) is matched with the inner wall of the measuring shell (9), a positioning mechanism is arranged in the positioning shell (6), and a positioning block (12) is fixedly arranged on one side of the fixed seat (11);
the fixed camera stand (31) that sets up in both sides edge at measurement shell (9) top, camera stand (31) top is fixed to be set up industry camera (30), and industry camera (30), industrial server (32) and positioning motor (7) electricity are connected in proper order, and industrial server (32) are connected with measurement motor (10) electricity.
2. The die casting edge grinding edge measuring system as claimed in claim 1, wherein the positioning mechanism comprises a clamp (4), a double-end threaded rod (5), a positioning motor (7), a sleeve (17), a seesaw rod (18), positioning rods (19), a spring (20), a driven gear (21), fixing rods (22), a driving gear (24), a driving block (25), a connecting rod (26), a sliding rod (27) and a stop block (28), the number of the clamp (4), the number of the positioning rods (19), the number of the seesaw rod (18) and the number of the fixing rods (22) are two, the two fixing rods (22) are fixedly arranged on the inner wall of the positioning shell (6), the outer side of the double-end threaded rod (5) is rotatably connected with the inner sides of the two positioning rods (19), the driven gear (21) is sleeved on the double-end threaded rod (5), the positioning motor (7) is fixedly arranged on the inner wall of the positioning shell (6, the sleeve (17) is sleeved on an output shaft of the positioning motor (7), the driving gear (24) is fixedly sleeved on the sleeve (17), the sleeve (17) is connected to the inner wall of the positioning shell (6) in a sliding manner, the two clamps (4) are connected to the positioning shell (6) in a sliding manner, the two clamps (4) are respectively in threaded connection with two ends of the double-end threaded rod (5), one end of the sleeve (17) is rotationally connected with the driving block (25), the driving block (25) is rotationally connected with the connecting rod (26), the connecting rod (26) is rotationally connected with the sliding rod (27), one side of the driving block (25) is fixedly connected with the spring (20), one end of the spring (20) is fixedly connected with the stop block (28), the stop block (28) is fixedly connected with the inner wall of the positioning shell (6), and the two positioning rods (19) are both connected to the inner wall of the positioning shell (6) in a sliding manner, two locating levers (19) mesh with the bottom both sides of double-end threaded rod (5) respectively, locating lever (19) and seesaw (18) sliding connection, two locating lever (19) respectively with two seesaw (18) one-to-one, two seesaw (18) all are connected with slide bar (27), it cooperatees with driven gear (21) to drive gear (24), a side edge fixed mounting of base (1) has industrial server (32), industrial server (32) set up the position between fixing base (11) and sliding seat (2).
3. The die casting edge grinding edge measuring system according to claim 1, wherein one end of the positioning block (12) is of a conical structure, a positioning through hole (33) is formed in the positioning shell (6), and the positioning block (12) is matched with the positioning through hole (33).
4. The die casting edge grinding edge measuring system according to claim 1, wherein a measuring scale (14) is fixedly arranged on the upper surface of the measuring shell (9), pointers (13) are fixedly arranged on the two measuring tools (8), and the two pointers (13) are slidably connected with the measuring scale (14).
5. The die casting edge grinding edge measuring system according to claim 2, wherein a protection pad (34) is fixedly arranged on one side of each of the two clamps (4) close to each other, and a handle (3) is fixedly arranged on one side of the positioning shell (6).
6. The die casting edge grinding edge measuring system according to claim 2, wherein a conical groove (36) is formed in one side of the sleeve (17), a conical block (37) is fixedly mounted on an output shaft of the positioning motor (7), and the outer side of the conical block (37) is in sliding connection with the inner wall of the conical groove (36).
7. The die casting edge grinding edge measuring system according to claim 2, wherein a positioning pin (38) is fixedly arranged on the same side of each positioning rod (19), a connecting pin (41) is fixedly arranged on each sliding rod (27), positioning bar holes (39) are formed in the outer ends of the two seesaw rods (18), sliding bar holes (40) are formed in the inner ends of the two seesaw rods (18), the positioning bar holes (39) are in sliding connection with the positioning pins (38), and the sliding bar holes (40) of the two seesaw rods (18) are in sliding connection with the connecting pins (41).
8. The die casting edge grinding edge measuring system according to claim 1, wherein a plurality of driving rods (35) are fixedly arranged on the inner wall of the measuring shell (9) at equal intervals, and the driving rods (35) are meshed with the driving plate (29).
9. A die casting edge-grinding edge measurement method comprising the die casting edge-grinding edge measurement system of claim 1, further comprising the steps of:
s1: firstly, a die casting to be measured is placed on a positioning shell (6), and an industrial camera (30) shoots the die casting to obtain measurement data;
s2: the industrial camera (30) transmits the measurement data to an industrial server (32) for storage;
s3: the industrial server (32) starts the positioning motor (7) so as to control the positioning mechanism to clamp the die casting;
s4: pushing the sliding seat (2) to one side of the measuring shell (9) to drive the positioning shell (6) to be inserted into the positioning block (12), and positioning the clamped die casting at a position parallel to the measuring shell (9) by the positioning block (12);
s5: after the industrial camera (30) monitors that the die casting positioning is finished, an industrial server (32) starts a measuring motor (10), and the die casting is measured through pointers (13) on two measuring tools (8);
s6: the industrial camera (30) shoots a measurement image of the pointer (13) and transmits the measurement image to the industrial server (32) for identification processing;
s7: the industrial server (32) compares and stores the measurement data directly shot in the step S1 with the measurement data measured by the pointer (13) in the step S6, and calculates the comparison probability formula of the measurement data directly shot and the measurement data measured by the pointer (13) as follows:
wherein po represents the comparison probability of the shot measurement data and the pointer measurement data, x represents the directly shot measurement data, y represents the measurement data measured by the pointer (13),
the confidence level of the measured data is indicated,
representing the confidence of the normalized measurement data, and the value range [0,1 ]]，
Representing the EfficientNet-b0 network trained by cross entropy, outputting three possible similar probability values of two input features, wherein each similar probability value has the value range of 0,1]，
Features representing extraction of measurement data from measurement data using a VGG19 network of cross-entropy loss training, wherein,
the input of (1) is measurement data, the output is a characteristic of the measurement data,
representing the normalized measurement data.
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