CN110836626A - Accurate measuring device for compressor blade size - Google Patents
Accurate measuring device for compressor blade size Download PDFInfo
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- CN110836626A CN110836626A CN201911064480.7A CN201911064480A CN110836626A CN 110836626 A CN110836626 A CN 110836626A CN 201911064480 A CN201911064480 A CN 201911064480A CN 110836626 A CN110836626 A CN 110836626A
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a compressor blade size accurate measurement device, which comprises a production line test platform capable of driving a compressor blade to move and position along a production line, wherein the production line test platform is provided with a compressor blade feeding device, a compressor blade discharging device, a first measurement device and a width measurement device, wherein the first measurement device is positioned between the compressor blade feeding device and the compressor blade discharging device and is used for measuring the thickness and the flatness of the compressor blade; the device adopts full-automatic equipment, and each station combines closely, can high-efficiently, each item size of high accuracy detection blade satisfies mass production's needs.
Description
Technical Field
The invention relates to the field of form and position tolerance detection, in particular to a precise measurement device for the size of a compressor blade.
Background
The blade is an important part in compressor spare part, in order to guarantee the quality of compressor, need carry out precision measurement to the width, plane degree, thickness, depth of parallelism, the straightness that hangs down of blade, and the detection method of blade among the prior art is artifical the detection, and detection personnel intensity of labour is big, and work efficiency is low to make mistakes easily in the testing process, bring the quality hidden danger to the compressor product, and the automation level is low, has improved manufacturing cost greatly, unfavorable enterprise development. Therefore, an automatic device for accurately detecting the blade is urgently needed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the accurate measurement device for the size of the compressor blade, which adopts full-automatic equipment, is tightly combined with each station, can detect each size of the blade with high efficiency and high precision, and meets the requirement of mass production.
The technical scheme of the invention is as follows: compressor blade size precision measurement device, including the assembly line test platform that can drive compressor blade along the motion of assembly line and location, be provided with compressor blade loading attachment, compressor blade unloader and be located the first measuring device that is used for measuring compressor blade thickness and plane degree between compressor blade loading attachment and the compressor blade unloader on the assembly line test platform and be used for measuring the width measuring device of compressor blade width.
Furthermore, the compressor blade feeding device comprises a first rotating disc driven by a cam divider to move intermittently, a plurality of blade charging barrels are uniformly arranged on the first rotating disc, a plurality of compressor blades can be stacked in the blade charging barrels from bottom to top, and through holes are formed in the bottom ends of the blade charging barrels;
the compressor blade feeding device is provided with an ejector rod below a first turntable feeding station, and the ejector rod can penetrate through the through hole and move up and down along the through hole to eject blades in the blade charging barrel one by one;
the compressor blade loading device further comprises a piece taking device, and the piece taking device is used for moving the blades ejected by the ejector rod into a blade positioning opening on the assembly line testing platform.
Furthermore, the ejector rod is a hollow rod, and an optical fiber switch is arranged in the ejector rod. When the blade charging barrel is empty, an optical fiber switch in the ejector rod senses brightness, the fact that all the blades in the blade charging barrel are completely charged is judged, the ejector rod is controlled by a motor to move downwards to withdraw from the blade charging barrel, a cam divider drives a first rotating disc to move, the next blade charging barrel is rotated to a charging station, the ejector rod continuously penetrates through the through hole in the bottom of the blade charging barrel above, the blades can continue to work, and the empty blade charging barrel can be filled with the blades by workers.
Furthermore, the piece taking device comprises a sliding block capable of moving back and forth along the sliding table, and the motion track is from the upper part of the feeding station of the first rotary table to the upper part of the blade positioning opening on the assembly line testing platform; the sliding block is provided with a first cylinder capable of stretching up and down, the stretching end of the first cylinder is connected with a first vacuum suction head, and a first vacuum suction pipe connected with the first vacuum suction head is connected with a vacuum valve. During operation, the slider moves to the top of first carousel material loading station along the slip table, and first cylinder drives first vacuum suction head downstream and holds the bottom by the ejecting blade of ejector beam, then first cylinder retrieves, and the slider motion drives this blade motion to the blade location mouth top on the assembly line test platform, then first cylinder downstream, puts this blade to the blade location mouth of below in, loosens the blade, accomplishes blade and carries once. And then, after a second turntable of the assembly line test platform rotates along with the servo motor, the next empty blade positioning port is moved to the feeding station, and then feeding is carried out again.
Further, the first measuring device for measuring the thickness and the flatness of the compressor blade comprises a first negative pressure positioning device positioned below the assembly line testing platform and a first contact type sensor capable of measuring the thickness and the flatness of the blade and positioned above the assembly line testing platform;
the first negative pressure positioning device comprises a first measuring gauge, and when the assembly line testing platform drives the blade to a measuring station of the first measuring device, the blade is positioned on the first measuring gauge; the upper surface of the first measuring gauge is a plane, a through hole is formed in the center of the first measuring gauge, the bottom of the through hole is hermetically connected with a second vacuum suction head, the second vacuum suction head is connected with a second vacuum suction pipe, and the second vacuum suction pipe is connected with a vacuum valve. The manual measurement of the thickness and the flatness of the blade needs to be extruded forcibly, so that an air film can be removed, but the manual measurement efficiency is low, a negative pressure measurement device is adopted, a vacuum film is removed by vacuum pumping under the negative pressure, the vacuum film is generally 2.5 microns, and if the negative pressure device is not arranged, a workpiece is directly placed on the vacuum film, so that the air film cannot be removed, and the measurement precision is influenced.
Further, first touch sensor includes 3 test pens, 3 test pens are vertical to be placed, are located equilateral triangle's three corner respectively. Three points are adopted to measure one surface, and the thickness and the flatness of the blade are accurately measured.
Furthermore, the width measuring device comprises a reference gauge, a cylinder pressure head which moves left and right along with the driving of a cylinder, 4 measuring heads which can measure the width of the blade, namely the parallelism, and 2 reference pins; when the assembly line testing platform drives the blade to a measuring station of the width measuring device, the blade is positioned on the reference gauge, and comprises an upper surface, a lower surface, a first side surface with a groove, a second side surface parallel to the first side surface, and a third side surface and a fourth side surface perpendicular to the first side surface;
when the blade is positioned on the reference gauge, the two reference pins can move from the bottom of the reference gauge upwards through the reference gauge to contact the second side surface; the cylinder pressure head faces the first side face and can be pressed into the groove of the first side face to press the blade between the cylinder pressure head and the two reference pins; the 4 measuring heads are divided into two groups, 2 measuring heads move from top to bottom to the third side surface, 2 measuring heads move from top to bottom to the fourth side surface, the width and the parallelism between the third side surface and the fourth side surface of the blade and the verticality of the third side surface and the fourth side surface relative to the second side surface are measured. The disposable measurement, convenient and fast.
Furthermore, the assembly line test platform comprises a second turntable driven by a servo motor to perform intermittent motion, a plurality of blade positioning openings are formed in the outer edge of the second turntable and are sunken towards the center, and one blade can be positioned in each blade positioning opening;
the assembly line testing platform further comprises a limiting track and a fixed chassis, the fixed chassis is fixedly arranged below the second turntable, a through hole is formed in the fixed chassis at each of the first measuring device and the width measuring device, a first measuring gauge and a reference gauge are respectively placed in the through holes, the upper surfaces of the first measuring gauge and the reference gauge are flush with the surface of the fixed chassis, and a discharging notch for enabling the blades to fall onto the moving track of the discharging device is formed in the fixed chassis at a discharging station of the compressor blade discharging device;
the limiting track is arranged on the outer ring of the second turntable and is provided with a notch for the movement of the air cylinder pressure head at the position of the width measuring device.
Furthermore, the blade moving guide rail on the fixed chassis is a ceramic guide rail.
Further, compressor blade unloader is provided with the printer, carries the manipulator, qualified product unloading passageway and unqualified product unloading passageway.
The invention has the beneficial effects that:
1. full-automatic equipment is adopted, all stations are tightly combined, all sizes of the blades can be detected efficiently and accurately, and the requirement of mass production is met.
2. The method adopts a negative pressure positioning device, utilizes the negative pressure suction realized by a vacuum valve to realize non-contact positioning (in the prior art, clamping positioning is generally adopted manually, the surface of a workpiece is easy to damage, the repeatability is poor), and then adopts the existing ultra-precise contact sensor to measure the width, the planeness, the thickness, the parallelism and the verticality of the blade for precise detection.
3. The accurate measuring device for the size of the compressor blade measures the width, the planeness, the thickness, the parallelism and the verticality of a workpiece at one time, automatically gives the grading required by assembling the planeness, the parallelism, the verticality, the width and the thickness, avoids manual repeated measurement, and is high in efficiency and precision.
Drawings
FIG. 1 is a schematic view of the overall structure of a precise measurement device for the dimensions of a compressor blade;
FIG. 2 is a top view of a compressor blade dimensional precision measuring apparatus;
FIG. 3 is a schematic structural diagram of a feeding device;
FIG. 4 is a schematic structural view of the pickup device;
FIG. 5 is a schematic view of the thickness and flatness measuring apparatus;
FIG. 6 is a cross-sectional view of a thickness and flatness measuring device;
FIG. 7 is a schematic view of a width measuring device;
fig. 8 is a cross-sectional view of a width measuring device.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the precise measurement device for the size of the compressor blade comprises an assembly line test platform 6 capable of driving the compressor blade to move and position along an assembly line, wherein a compressor blade feeding device 1, a compressor blade discharging device 5, a first measurement device 3 and a width measurement device 4 are arranged on the assembly line test platform 6, and the first measurement device 3 and the width measurement device 4 are located between the compressor blade feeding device 1 and the compressor blade discharging device 5 and are used for measuring the thickness and the flatness of the compressor blade.
The assembly line test platform 6 comprises a second rotary table 61 driven by a servo motor to move intermittently, a plurality of blade positioning openings 63 are formed in the outer edge of the second rotary table 61 and concave towards the center, and one blade 7 can be positioned in each blade positioning opening 63. Assembly line test platform 6 still includes spacing track 62 and fixed chassis, fixed chassis sets up in second carousel 61 below rigid, fixed chassis has all seted up a via hole in first measuring device 3 and width measuring device 4 department, first gauge 32 and benchmark gauge 41 have been placed respectively to the via hole, the upper surface and the fixed chassis surface of first gauge 32 and benchmark gauge 41 flush, fixed chassis sets up the unloading breach that supplies the blade to drop to unloader's motion track in compressor blade unloader 5's unloading station department. The blade moving guide rail on the fixed chassis is a ceramic guide rail. The limiting rail 62 is disposed on the outer ring of the second turntable 61, and the limiting rail 62 is provided with a gap for the cylinder head 44 to move at the position of the width measuring device 4.
As shown in fig. 3, the compressor blade loading device 1 includes a first rotary table 11 driven by a cam divider to move intermittently, a plurality of blade loading barrels 12 are uniformly arranged on the first rotary table 11, a plurality of compressor blades can be stacked in the blade loading barrels 12 from bottom to top, and a through hole is formed in the bottom end of the blade loading barrel 12.
An ejector rod 13 is arranged below a feeding station of a first rotary disc 11 of the compressor blade feeding device 1, and the ejector rod 13 can penetrate through the through hole and move up and down along the through hole to eject blades in a blade charging barrel 12 one by one. The ejector rod 13 is a hollow rod, and an optical fiber switch is arranged in the ejector rod 13. When the blade charging barrel is empty, an optical fiber switch in the ejector rod senses brightness, the fact that all the blades in the blade charging barrel are completely charged is judged, the ejector rod is controlled by a motor to move downwards to withdraw from the blade charging barrel, a cam divider drives a first rotating disc to move, the next blade charging barrel is rotated to a charging station, the ejector rod continuously penetrates through the through hole in the bottom of the blade charging barrel above, the blades can continue to work, and the empty blade charging barrel can be filled with the blades by workers.
As shown in fig. 4, the compressor blade feeding device 1 further includes a taking device 2, and the taking device 2 is used for moving the blade ejected by the ejector rod 13 into a blade positioning opening 63 on the pipeline testing platform 6. Specifically, the pickup device 2 includes a slider 22 capable of moving back and forth along the sliding table 21, and the movement track is from above the feeding station of the first rotary table 11 to above the blade positioning port 63 on the assembly line testing platform 6. The slide block 22 is provided with a first cylinder 23 capable of extending and retracting up and down, the extending and retracting end of the first cylinder 23 is connected with a first vacuum suction head 24, and a first vacuum suction pipe 25 connected with the first vacuum suction head 24 is connected with a vacuum valve. During operation, the slider moves to the top of first carousel material loading station along the slip table, and first cylinder drives first vacuum suction head downstream and holds the bottom by the ejecting blade of ejector beam, then first cylinder retrieves, and the slider motion drives this blade motion to the blade location mouth top on the assembly line test platform, then first cylinder downstream, puts this blade to the blade location mouth of below in, loosens the blade, accomplishes blade and carries once. And then, after a second turntable of the assembly line test platform rotates along with the servo motor, the next empty blade positioning port is moved to the feeding station, and then feeding is carried out again.
As shown in fig. 6, the first measuring device 3 for measuring the thickness and the flatness of the compressor blade includes a first negative pressure positioning device located below the assembly line testing platform 6 and a first contact sensor located above the assembly line testing platform 6 and capable of measuring the thickness and the flatness of the blade. The first touch sensor comprises 3 test pens 31, and the 3 test pens 31 are vertically arranged and respectively located at three corners of an equilateral triangle. Three points are adopted to measure one surface, and the thickness and the flatness of the blade are accurately measured.
The first negative pressure positioning device comprises a first measuring gauge 32, and when the assembly line testing platform 6 drives the blade 7 to a measuring station of the first measuring device, the blade 7 is positioned on the first measuring gauge 32. The upper surface of the first gauge 32 is a plane, a through hole 33 is formed in the center of the first gauge 32, the bottom of the through hole 33 is hermetically connected with a second vacuum suction head 34, the second vacuum suction head 34 is connected with a second vacuum suction pipe 35, and the second vacuum suction pipe 35 is connected with a vacuum valve. The manual measurement of the thickness and the flatness of the blade needs to be extruded forcibly, so that an air film can be removed, but the manual measurement efficiency is low, a negative pressure measurement device is adopted, a vacuum film is removed by vacuum pumping under the negative pressure, the vacuum film is generally 2.5 microns, and if the negative pressure device is not arranged, a workpiece is directly placed on the vacuum film, so that the air film cannot be removed, and the measurement precision is influenced.
As shown in fig. 7 and 8, the width measuring device 4 includes a reference gauge 41, a cylinder head 44 moving left and right with the cylinder, 4 measuring heads 43 capable of measuring the width of the blade, i.e., the parallelism, and 2 reference pins 42. When the assembly line test platform 6 drives the blade 7 to the measuring station of the width measuring device 4, the blade 7 is positioned on the reference gauge 41, and the blade 7 comprises an upper surface, a lower surface, a first side surface with a groove, a second side surface parallel to the first side surface, and a third side surface and a fourth side surface perpendicular to the first side surface.
When the blade 7 is positioned on the reference gauge 41, the two reference pins 42 can move from the bottom of the reference gauge 41 upwards through the reference gauge to be in contact with the second side. The cylinder ram 44 faces the first side and can be pressed into a groove in the first side to compress the vane between the cylinder ram and the two reference pins. The 4 measuring heads 43 are divided into two groups, 2 move from top to bottom to the third side surface, 2 move from top to bottom to the fourth side surface, and the width and the parallelism between the third side surface and the fourth side surface of the blade and the perpendicularity of the third side surface and the fourth side surface relative to the second side surface are measured. The disposable measurement, convenient and fast.
The compressor blade blanking device 5 is provided with a printer, a carrying manipulator, a qualified product blanking channel and an unqualified product blanking channel.
The method for accurately measuring the size of the compressor blade comprises the following specific steps:
compressor blade loading attachment material loading, with blade work piece material loading to the blade location mouth on the second carousel, it is specific, adopt the ejector beam to pass the through-hole of the blade charging barrel bottom of top, individual ejecting blade, the slider moves the top to first carousel material loading station along the slip table, first cylinder drives first vacuum suction head downstream and holds the bottom by the ejecting blade of ejector beam, then first cylinder retrieves, the slider motion drives this blade motion to the blade location mouth top on the assembly line test platform, then first cylinder downstream, put this blade in the blade location mouth of below, loosen the blade, accomplish blade transport once. And then, after a second turntable of the assembly line test platform rotates along with the servo motor, the next empty blade positioning port is moved to the feeding station, and then feeding is carried out again. When the blade charging barrel is empty, the optical fiber switch in the ejector rod senses brightness, the fact that all the blades in the blade charging barrel are completely charged is judged, the motor controls the ejector rod to move downwards to withdraw from the blade charging barrel, the cam divider drives the first rotary table to move, the next blade charging barrel is rotated to a charging station, the ejector rod continuously penetrates through a through hole in the bottom of the blade charging barrel above the ejector rod and continues to work, and the empty blade charging barrel can be used for filling up the blades by workers.
The second rotary table rotates to drive the blades in the blade positioning openings to move, when the blades move to the first measuring gauge, the blades stop on the first measuring gauge, the vacuum valve is opened, negative pressure is formed in through holes of the first measuring gauge through a second vacuum suction pipe, a second vacuum suction head and a through hole in the center of the first measuring gauge to suck the blades on the first measuring gauge, an air film is removed, then the thickness and the planeness of the blades are measured downwards by 3 measuring pens, the measured data are measured and conveyed to the control system, the control system judges whether the thickness and the planeness of the blades meet requirements or not according to comparison of feedback data signals and threshold values, if yes, the blades are recorded as qualified, and if not, the blades are recorded as unqualified products. After the measurement of the thickness and flatness measuring station is completed, the vacuum valve is closed, the negative pressure attraction force is eliminated, the workpiece is loosened, and the second turntable rotates to continuously drive the workpiece to move.
The second rotating disc rotates to drive the vanes in the vane positioning openings to move, and when the vanes move to the reference gauge, the two reference pins move upwards from the bottom of the reference gauge, pass through the reference gauge and move to be in contact with the second side face. The cylinder pressure head faces the first side face and is pressed into the groove of the first side face to press the blade between the cylinder pressure head and the two reference pins. The 4 measuring heads are divided into two groups, 2 measuring heads move from top to bottom to the third side surface, 2 measuring heads move from top to bottom to the fourth side surface, the width and the parallelism between the third side surface and the fourth side surface of the blade and the verticality of the third side surface and the fourth side surface relative to the second side surface are measured. And the measured data is measured and transmitted to a control system, the control system judges whether the data meets the requirements or not according to comparison between the fed back data signal and a threshold value, if so, the data is recorded as qualified, and if not, the data is recorded as unqualified product. After the width measuring station finishes measuring, the second turntable rotates to continue to drive the workpiece to move.
When the blades rotate to the blanking gaps along with the second turntable, the blades drop to the blanking device, the control system prints marks by using a printer according to recorded data, the conveying manipulator conveys qualified workpieces to the qualified product blanking channel, and the unqualified workpieces are conveyed to the unqualified product blanking channel.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. Compressor blade size precision measurement device, its characterized in that: the device comprises a production line testing platform (6) capable of driving compressor blades to move and be positioned along a production line, wherein the production line testing platform (6) is provided with a compressor blade feeding device (1), a compressor blade discharging device (5) and a first measuring device (3) and a width measuring device (4) which are used for measuring the thickness and the flatness of the compressor blades and are positioned between the compressor blade feeding device (1) and the compressor blade discharging device (5).
2. The compressor blade dimensional accuracy measuring device of claim 1, wherein: the compressor blade feeding device (1) comprises a first rotary table (11) driven by a cam divider to move intermittently, a plurality of blade charging barrels (12) are uniformly arranged on the first rotary table (11), a plurality of compressor blades can be stacked in the blade charging barrels (12) from bottom to top, and the bottom end of each blade charging barrel (12) is provided with a through hole;
an ejector rod (13) is arranged below a feeding station of a first rotary table (11) of the compressor blade feeding device (1), and the ejector rod (13) can penetrate through the through hole and move up and down along the through hole to eject blades in a blade charging barrel (12) one by one;
the compressor blade feeding device (1) further comprises a taking device (2), and the taking device (2) is used for moving the blades ejected by the ejector rods (13) into blade positioning holes (63) in the assembly line testing platform (6).
3. The compressor blade dimensional accuracy measuring device of claim 2, wherein: the material ejecting rod (13) is a hollow rod, and an optical fiber switch is arranged in the material ejecting rod (13).
4. The compressor blade dimensional accuracy measuring device of claim 2, wherein: the piece taking device (2) comprises a sliding block (22) capable of moving back and forth along a sliding table (21), and the motion track is from above a feeding station of the first rotary table (11) to above a blade positioning opening (63) on the assembly line testing platform (6); the sliding block (22) is provided with a first cylinder (23) capable of stretching up and down, the stretching end of the first cylinder (23) is connected with a first vacuum suction head (24), and a first vacuum suction pipe (25) connected with the first vacuum suction head (24) is connected with a vacuum valve.
5. The compressor blade dimensional accuracy measuring device of claim 1, wherein: the first measuring device (3) for measuring the thickness and the flatness of the compressor blade comprises a first negative pressure positioning device positioned below the assembly line testing platform (6) and a first contact type sensor which is positioned above the assembly line testing platform (6) and can measure the thickness and the flatness of the blade;
the first negative pressure positioning device comprises a first measuring gauge (32), and when the assembly line testing platform (6) drives the blade (7) to a measuring station of the first measuring device, the blade (7) is positioned on the first measuring gauge (32); the upper surface of the first measuring gauge (32) is a plane, a through hole (33) is formed in the center of the first measuring gauge (32), the bottom of the through hole (33) is hermetically connected with a second vacuum suction head (34), the second vacuum suction head (34) is connected with a second vacuum suction pipe (35), and the second vacuum suction pipe (35) is connected with a vacuum valve.
6. The compressor blade dimensional accuracy measuring device of claim 5, wherein: the first contact sensor comprises 3 test pens (31), wherein the 3 test pens (31) are vertically arranged and are respectively positioned at three corners of an equilateral triangle.
7. The compressor blade dimensional accuracy measuring device of claim 1, wherein: the width measuring device (4) comprises a reference gauge (41), a cylinder pressure head (44) which moves left and right along with the driving of a cylinder, 4 measuring heads (43) capable of measuring the width and the parallelism of the blade and 2 reference pins (42); when the assembly line testing platform (6) drives the blade (7) to a measuring station of the width measuring device (4), the blade (7) is positioned on the reference gauge (41), and the blade (7) comprises an upper surface, a lower surface, a first side surface with a groove, a second side surface parallel to the first side surface, and a third side surface and a fourth side surface perpendicular to the first side surface;
when the blade (7) is positioned on the reference gauge (41), the two reference pins (42) can move from the bottom of the reference gauge (41) upwards through the reference gauge to contact the second side face; the cylinder pressure head (44) faces the first side face and can be pressed into the groove of the first side face to press the blade between the cylinder pressure head and the two reference pins; the 4 measuring heads (43) are divided into two groups, 2 move from top to bottom to the third side surface, 2 move from top to bottom to the fourth side surface, the width and the parallelism between the third side surface and the fourth side surface of the blade and the perpendicularity of the third side surface and the fourth side surface relative to the second side surface are measured.
8. The compressor blade dimensional accuracy measuring device of claim 1, wherein: the assembly line testing platform (6) comprises a second turntable (61) driven by a servo motor to move intermittently, a plurality of blade positioning openings (63) are formed in the outer edge of the second turntable (61) and concave towards the center, and one blade (7) can be positioned in each blade positioning opening (63);
the assembly line testing platform (6) further comprises a limiting track (62) and a fixed chassis, the fixed chassis is fixedly arranged below the second turntable (61), the fixed chassis is provided with a through hole at each of the first measuring device (3) and the width measuring device (4), a first measuring gauge (32) and a reference gauge (41) are respectively placed in the through holes, the upper surfaces of the first measuring gauge (32) and the reference gauge (41) are flush with the surface of the fixed chassis, and the fixed chassis is provided with a blanking notch at a blanking station of the compressor blade blanking device (5) for enabling the blades to fall onto the moving track of the blanking device;
the limiting track (62) is arranged on the outer ring of the second turntable (61), and a gap for the movement of the air cylinder pressure head (44) is formed in the position of the limiting track (62) on the width measuring device (4).
9. The compressor blade dimensional accuracy measuring device of claim 8, wherein: the blade moving guide rail on the fixed chassis is a ceramic guide rail.
10. The compressor blade dimensional accuracy measuring device of claim 1, wherein: the compressor blade blanking device (5) is provided with a printer, a carrying mechanical arm, a qualified product blanking channel and an unqualified product blanking channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064480.7A CN110836626A (en) | 2019-11-04 | 2019-11-04 | Accurate measuring device for compressor blade size |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911064480.7A CN110836626A (en) | 2019-11-04 | 2019-11-04 | Accurate measuring device for compressor blade size |
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| CN110836626A true CN110836626A (en) | 2020-02-25 |
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| CN201911064480.7A Pending CN110836626A (en) | 2019-11-04 | 2019-11-04 | Accurate measuring device for compressor blade size |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570311A (en) * | 2020-05-13 | 2020-08-25 | 苏州隆格尔精密自动化科技有限公司 | Multiple type automatic detection machine of electronic components |
| CN113701593A (en) * | 2021-08-27 | 2021-11-26 | 浙江欧迪恩传动科技股份有限公司 | Three-pivot universal joint ball track detection assembly line |
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2019
- 2019-11-04 CN CN201911064480.7A patent/CN110836626A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570311A (en) * | 2020-05-13 | 2020-08-25 | 苏州隆格尔精密自动化科技有限公司 | Multiple type automatic detection machine of electronic components |
| CN113701593A (en) * | 2021-08-27 | 2021-11-26 | 浙江欧迪恩传动科技股份有限公司 | Three-pivot universal joint ball track detection assembly line |
| CN113701593B (en) * | 2021-08-27 | 2024-05-03 | 浙江欧迪恩传动科技股份有限公司 | Three-pivot universal joint ball way detection assembly line |
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