CN112945167B - Micromotor magnetic shoe assembly quality automatic check mechanism - Google Patents
Micromotor magnetic shoe assembly quality automatic check mechanism Download PDFInfo
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- CN112945167B CN112945167B CN202110204046.5A CN202110204046A CN112945167B CN 112945167 B CN112945167 B CN 112945167B CN 202110204046 A CN202110204046 A CN 202110204046A CN 112945167 B CN112945167 B CN 112945167B
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant 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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses an automatic detection mechanism for assembling quality of a micromotor magnetic shoe, which comprises a profiling base, a positioning mechanism and a positioning mechanism, wherein the profiling base is composed of an upper profiling block, a lower profiling block and a supporting seat; a height detection rod is arranged on the contour block corresponding to each magnetic shoe of the micromotor semi-finished product in a sliding manner along the vertical direction, and the upper end of the height detection rod extends out of the top surface of the contour block, so that when the micromotor iron shell is sleeved on the contour block, the upper end of each height detection rod is positioned right below the corresponding magnetic shoe; the supporting seat is provided with a set of transmission mechanism corresponding to each height detection rod, the rack is fixed with a displacement sensor corresponding to each set of transmission mechanism, a detection head of the displacement sensor extends along the up-down direction, and the up-down movement of the height detection rod can drive the detection head corresponding to the displacement sensor to move up and down through the corresponding transmission mechanism. The invention can automatically realize quantitative detection on the assembly height of each magnetic shoe of the micromotor semi-finished product and has the advantages of high detection efficiency and high detection reliability.
Description
Technical Field
The invention relates to a micromotor quality inspection device, in particular to an automatic detection mechanism for micromotor magnetic shoe assembly quality.
Background
In the production process of the micromotor, the back of the magnetic shoe is coated with glue and adhered to the inner wall of the iron shell of the motor, then the magnetic shoe is baked and fixed on the inner wall of the iron shell, the height of the fixed magnetic shoe and the diameter of the inner wall of the iron shell of the motor directly influence the performance of the motor, the abnormal magnetic field inside the iron shell of the motor can be caused due to the disqualified height of the magnetic shoe, and the iron shell can not be loaded into a motor rotor in the subsequent process if the inner diameter of the iron shell of the motor is too small. In order to ensure the product quality, avoid unqualified products from flowing into the next procedure and detect the unqualified products in time, therefore, after the magnetic shoe is coated with glue and baked and fixed on the inner wall of the iron shell, the height of the magnetic shoe in the iron shell of the motor and the inner diameter of the iron shell must be detected. In the prior art, detection is performed manually, so that the problems of low detection efficiency and difficulty in ensuring detection reliability exist.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a micromotor magnetic shoe assembly quality automatic check mechanism to solve prior art at micromotor iron-clad assembly quality testing process, there is the problem of inefficiency, the difficult assurance of detection reliability to the detection of magnetic shoe assembly height and magnetic shoe assembly internal diameter.
The technical scheme adopted by the invention is as follows:
an automatic detection mechanism for the assembly quality of micromotor magnetic shoes is used for detecting the assembly quality of a micromotor semi-finished product, wherein the micromotor semi-finished product comprises a micromotor iron shell and a plurality of magnetic shoes which are adhered to the inner wall of the micromotor iron shell by coating adhesive;
the method is characterized in that:
the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe comprises a profiling base fixed on a rack, wherein the profiling base is composed of a profiling block and a supporting seat which are connected up and down, and the profiling block is suitable for being in sliding fit with an inner cavity of the micromotor iron shell along the up-down direction;
the contour block is provided with a height detection rod corresponding to each magnetic shoe of the micro-motor semi-finished product in a sliding manner along the vertical direction, and the upper end of the height detection rod extends out of the top surface of the contour block, so that when the micro-motor iron shell is sleeved on the contour block, the upper end of each height detection rod is positioned right below the corresponding magnetic shoe;
the supporting seat is provided with a set of transmission mechanism corresponding to each height detection rod, the rack is fixed with a displacement sensor corresponding to each set of transmission mechanism, a detection head of the displacement sensor extends along the up-down direction, and the up-down movement of the height detection rod can drive the detection head corresponding to the displacement sensor to move up and down through the corresponding transmission mechanism;
under the control of the controller, the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe works in the following way:
s1, controlling a manipulator to reversely place a detected micro-motor semi-finished product on the profiling base, namely sleeving the micro-motor iron shell on the profiling base along a downward direction with an opening part of the micro-motor iron shell facing downward, so that the micro-motor iron shell of the micro-motor semi-finished product is sleeved on a profiling block of the profiling base;
s2, controlling the manipulator to press the micromotor semi-finished product downwards, wherein in the process of pressing the micromotor semi-finished product downwards, along with the pressing of the micromotor semi-finished product, the bottom surface of each magnetic shoe of the micromotor semi-finished product is propped against the upper end of the corresponding height detection rod firstly or secondly, and drives the corresponding height detection rod to move downwards, and then the corresponding transmission mechanism drives the detection head of the corresponding displacement sensor to move downwards, so that the detection head of each displacement sensor generates shrinkage displacement adaptive to the assembly height of the corresponding magnetic shoe; receiving displacement data output by each displacement sensor until the opening part of the micromotor iron shell is pressed on the top surface of the supporting seat, and calculating to obtain the assembly height c = a-b of each magnetic shoe, namely: the distance between the bottom surface of the magnetic shoe and the opening part of the iron shell of the micromotor along the up-down direction is defined as a, the distance between the top surface of the height detection rod corresponding to the magnetic shoe and the top surface of the support seat along the up-down direction is defined as a, and the distance between the top surface of the height detection rod corresponding to the magnetic shoe and the top surface of the support seat along the up-down direction is defined as b, the displacement data is output by the displacement sensor corresponding to the magnetic shoe, so that the controller can judge whether the assembly height of the magnetic shoe is qualified or not by comparing the assembly height c of the magnetic shoe obtained by calculation with a preset qualified value range;
s3, after the detection of the micromotor semi-finished product is finished, controlling the manipulator to take the micromotor semi-finished product away from the profiling base; and repeating the above steps to detect the next micromotor semi-finished product.
Therefore, the invention can automatically realize quantitative detection of the assembly height of each magnetic shoe of the micromotor semi-finished product, has the advantages of high detection efficiency, high detection reliability and low cost, ensures that the assembly height of the magnetic shoes of the micromotor semi-finished product is qualified, and avoids unqualified products from flowing out.
Preferably: the profiling base is provided with a group of cavities corresponding to each magnetic shoe of the micromotor semi-finished product, each group of cavities consists of an installation cavity, a guide hole and a guide groove, the installation cavity is arranged on the bottom surface of the supporting seat, the guide hole is arranged on the top surface of the profiling block and extends to the installation cavity along the vertical direction, and the guide groove extends along the vertical direction and is arranged on the side surface of the supporting seat and communicated with the installation cavity;
drive mechanism includes test rod base, reset spring and connecting rod, high test rod with guiding hole sliding fit, the test rod base is fixed the lower extreme of high test rod is located the installation intracavity, reset spring connects the bottom surface of test rod base with between the frame, connecting rod and guide way sliding fit, just connecting rod fixed connection is in between test rod base and displacement sensor's the detecting head.
Therefore, when the height detection rod is driven by the corresponding magnetic shoe to move downwards, the detection head of the displacement sensor is driven by the detection rod base and the connecting rod to generate corresponding contraction displacement, and the return spring is compressed in the process; and when the manipulator takes the micromotor semi-finished product away from the profiling base, the height detection rod and the transmission mechanism reset under the action of the reset spring.
Therefore, the invention can ensure the up-and-down moving parallelism of the height detection rod and the probe by adopting the profiling base provided with the mounting cavity, the guide hole and the guide groove and adopting the transmission mechanism consisting of the detection rod base, the reset spring and the connecting rod so as to ensure the measurement accuracy of the displacement sensor on the displacement of the height detection rod, and has the advantages of compact structure and high reliability.
Preferably: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a photoelectric sensor which is used for detecting whether the opening part of the micromotor iron shell is in contact with the top surface of the supporting seat. Thus, in the step S2, the controller may control a time of receiving the displacement data output from the displacement sensor using a detection result of the photoelectric sensor.
As a preferred embodiment of the present invention: the profiling base is provided with a through hole which penetrates through the profiling block and the supporting seat along the vertical direction, and each height detection rod is arranged around the through hole;
the micromotor magnetic shoe assembly quality automatic detection mechanism also comprises an inner diameter detection rod, wherein the inner diameter detection rod extends along the vertical direction and is arranged in a through hole of the profiling base through a guide bearing; an inner diameter detection standard block is fixed at the upper end of the inner diameter detection rod, the side surface of the inner diameter detection standard block is a cylindrical surface with a preset standard diameter, and when the micromotor iron shell is sleeved on the contour block, the inner diameter detection standard block is positioned right below a motor rotor installation cavity defined by the inner wall surfaces of the magnetic shoes; the lower end of the inner diameter detection rod extends out of the through hole and is connected with a driving device arranged on the rack, and the driving device can drive the inner diameter detection rod to move up and down;
under the control of the controller, the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe works in the following way:
s2-1, when the opening part of the micromotor iron shell is tightly pressed on the top surface of the supporting seat, controlling the driving device to drive the inner diameter detection rod to extend upwards so as to drive the inner diameter detection standard block to move upwards and enter the inner cavity of the micromotor iron shell; if the inner diameter detection standard block can enter the motor rotor installation cavity, namely the diameter of the motor rotor installation cavity is larger than the preset standard diameter, the assembly inner diameter of each magnetic shoe of the micro-motor semi-finished product is judged to be qualified, otherwise, the diameter of the motor rotor installation cavity is smaller than the preset standard diameter, and the assembly inner diameter is judged to be unqualified;
and S2-2, controlling the driving device to drive the inner diameter detection rod to retract downwards after judging whether the assembly inner diameter is qualified.
Therefore, the invention can automatically realize the qualitative detection of whether the assembly inner diameter of each magnetic shoe of the micromotor semi-finished product is qualified or not on the premise of not influencing the reliability of the quantitative detection of the assembly height of the magnetic shoe, has the advantages of high detection efficiency, high detection reliability and low cost, ensures that the assembly inner diameter of the magnetic shoe of the micromotor semi-finished product is qualified, and avoids unqualified products from flowing out.
Preferably: the driving device is an air cylinder, a cylinder body of the air cylinder is fixed on the rack, and a piston rod of the air cylinder is coaxially connected with the lower end of the inner diameter detection rod.
Preferably: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a magnetic switch sensor used for detecting whether the piston rod of the air cylinder extends out completely. Thus, in the step S2-1, the controller may determine whether the fitting inner diameter is acceptable using a detection result of the magnetic switch sensor, that is: when the piston rod is fully extended, the inner diameter detection standard block is indicated to enter the motor rotor mounting cavity, and when the piston rod is not extended or is not fully extended, the inner diameter detection standard block is indicated to fail to enter the motor rotor mounting cavity.
Preferably: the inner diameter detection standard block is fixedly connected with the upper end of the inner diameter detection rod through a bolt.
As a preferred embodiment of the present invention: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a clamping mechanism, and the clamping mechanism can clamp the micromotor iron shell sleeved on the profiling block. Therefore, in the step S2-1, when the opening of the iron micromotor case is pressed against the top surface of the supporting seat, the controller can also control the clamping mechanism to clamp the iron micromotor case, so as to prevent the semi-finished product of the micromotor from moving, and improve the reliability of various detections in the invention.
Preferably, the following components: the clamping mechanism comprises a clamping jaw cylinder fixed on the rack, two driving ends of the clamping jaw cylinder are respectively fixed with a clamping jaw, and the contour block is positioned between the two clamping jaws.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the invention can automatically realize quantitative detection on the assembly height of each magnetic shoe of the micromotor semi-finished product, and has the advantages of high detection efficiency and high detection reliability.
Secondly, the invention adopts the profiling base provided with the mounting cavity, the guide hole and the guide groove, and adopts the transmission mechanism consisting of the detection rod base, the reset spring and the connecting rod, so that the up-and-down moving parallelism of the height detection rod and the detection head can be ensured, the measurement accuracy of the displacement sensor on the displacement of the height detection rod is ensured, and the invention has the advantages of compact structure, high reliability and low cost.
Thirdly, the invention can automatically realize the qualitative detection of the qualification of the assembly inner diameter of each magnetic shoe of the micromotor semi-finished product on the premise of not influencing the reliability of the quantitative detection of the assembly height of the magnetic shoe, and has the advantages of high detection efficiency, high detection reliability and low cost.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
FIG. 1 is a schematic diagram of a micro-machine semi-finished product;
FIG. 2 is a schematic view of the structure of the present invention without the placement of the micromotor intermediate product;
FIG. 3 is a schematic view of the structure of the present invention when placed on a micro-machine blank;
FIG. 4 is a front view of the present invention;
FIG. 5 isbase:Sub>A cross-sectional view A-A of FIG. 4;
fig. 6 is a schematic view of the invention in a configuration in which the contoured base is hidden.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art to better understand the inventive concept of the present invention, but the scope of the claims of the present invention is not limited to the following embodiments, and all other embodiments obtained without inventive efforts by those skilled in the art will fall within the scope of the present invention without departing from the inventive concept of the present invention.
In the description of the present invention, it is to be understood that the terms "upper, lower, top, bottom" and "in orientation" are used merely for convenience in describing the present invention or for simplifying the description, and do not indicate or imply any particular orientation the present invention must have, and therefore, should not be taken as limiting the present invention.
Example one
As shown in fig. 1 to 6, the invention discloses an automatic detection mechanism for the assembling quality of micromotor magnetic shoes, which is used for detecting the assembling quality of a micromotor semi-finished product 1, wherein the micromotor semi-finished product 1 comprises a micromotor iron shell 1-1 and a plurality of magnetic shoes 1-2 adhered to the inner wall 1-1a of the micromotor iron shell 1-1 by coating adhesive;
the method is characterized in that:
the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe comprises a profiling base 3 fixed on a rack 2, wherein the profiling base 3 consists of a profiling block 3-1 and a supporting seat 3-2 which are connected up and down, and the profiling block 3-1 is suitable for being in sliding fit with an inner cavity of an iron shell 1-1 of the micromotor along the up and down direction;
the simulation block 3-1 is provided with a height detection rod 4 corresponding to each magnetic shoe 1-2 of the micromotor semi-finished product 1 in a sliding manner along the vertical direction, and the upper end of the height detection rod 4 extends out of the top surface of the simulation block 3-1, so that when the micromotor iron shell 1-1 is sleeved on the simulation block 3-1, the upper end of each height detection rod 4 is positioned right below the corresponding magnetic shoe 1-2;
a set of transmission mechanism is arranged on the supporting seat 3-2 corresponding to each height detection rod 4, a displacement sensor 5 is fixed on the rack 2 corresponding to each set of transmission mechanism, a detection head 5-1 of the displacement sensor 5 extends along the vertical direction, and the vertical movement of the height detection rod 4 can drive the detection head 5-1 corresponding to the displacement sensor 5 to move vertically through the corresponding transmission mechanism;
under the control of the controller, the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe works in the following way:
s1, controlling a manipulator to reversely place a detected micro-motor semi-finished product 1 on a profiling base 3, namely sleeving a micro-motor iron shell 1-1 on the profiling base 3 along a downward direction with a downward opening part 1-1b, so that the micro-motor iron shell 1-1 of the micro-motor semi-finished product 1 is sleeved on a profiling block 3-1 of the profiling base 3;
s2, controlling the manipulator to press the micro-motor semi-finished product 1 downwards, wherein in the process that the micro-motor semi-finished product 1 is pressed downwards, along with the pressing of the micro-motor semi-finished product 1, the bottom surface 1-2a of each magnetic tile 1-2 of the micro-motor semi-finished product 1 is propped against the upper end of the corresponding height detection rod 4 firstly or secondly, and drives the corresponding height detection rod 4 to move downwards, and then drives the detection head 5-1 of the corresponding displacement sensor 5 to move downwards through the corresponding transmission mechanism, so that the detection head 5-1 of each displacement sensor 5 generates shrinkage displacement corresponding to the assembly height of the corresponding magnetic tile 1-2; until the opening part 1-1b of the micromotor iron shell 1-1 is pressed on the top surface 3-2b of the supporting seat 3-2, receiving displacement data output by each displacement sensor 5 to calculate the assembly height c = a-b of each magnetic shoe 1-2, namely: the distance between the bottom surface 1-2a of the magnetic shoe 1-2 and the opening part 1-1b of the micromotor iron shell 1-1 along the vertical direction is provided, wherein a is the distance between the top surface of the height detection rod 4 corresponding to the magnetic shoe 1-2 and the top surface 3-2b of the supporting seat 3-2 along the vertical direction, and b is the displacement data output by the displacement sensor 5 corresponding to the magnetic shoe 1-2, so that the controller can judge whether the assembly height of the magnetic shoe 1-2 is qualified or not by comparing the assembly height c of the magnetic shoe 1-2 obtained through calculation with a preset qualified value range;
s3, after the micro-motor semi-finished product 1 is detected, controlling the manipulator to take the micro-motor semi-finished product 1 away from the profiling base 3; the above process is repeated to detect the next micromotor semi-finished product 1.
Therefore, the invention can automatically realize quantitative detection of the assembly height of each magnetic shoe 1-2 of the micromotor semi-finished product 1, has the advantages of high detection efficiency, high detection reliability and low cost, ensures that the assembly height of the magnetic shoes 1-2 of the micromotor semi-finished product 1 is qualified, and avoids unqualified products from flowing out.
The above is a basic implementation manner of the first embodiment, and further optimization, improvement and limitation may be performed on the basis of the basic implementation manner:
preferably: the profiling base 3 is provided with a group of cavities corresponding to each magnetic shoe 1-2 of the micromotor semi-finished product 1, each group of cavities consists of a mounting cavity, a guide hole and a guide groove 3-2a, the mounting cavity is arranged on the bottom surface of the supporting seat 3-2, the guide hole is arranged on the top surface of the profiling block 3-1 and extends to the mounting cavity along the vertical direction, and the guide groove 3-2a extends along the vertical direction and is arranged on the side surface of the supporting seat 3-2 and communicated with the mounting cavity;
drive mechanism includes measuring pole base 6, reset spring 7 and connecting rod 8, high measuring pole 4 with guiding hole sliding fit, measuring pole base 6 is fixed the lower extreme of high measuring pole 4 is located the installation intracavity, reset spring 7 is connected the bottom surface of measuring pole base 6 with between the frame 2, connecting rod 8 and guide way 3-2a sliding fit, just connecting rod 8 fixed connection is in between measuring pole base 6 and displacement sensor 5's detecting head 5-1.
Therefore, when the height detection rod 4 is driven by the corresponding magnetic shoe 1-2 to move downwards, the detection head 5-1 of the displacement sensor 5 is driven by the detection rod base 6 and the connecting rod 8 to generate corresponding contraction displacement, and the return spring 7 is compressed in the process; and when the manipulator takes the micromotor semi-finished product 1 away from the profiling base 3, the height detection rod 4 and the transmission mechanism are reset under the action of the reset spring 7.
Therefore, the invention can ensure the up-and-down moving parallelism of the height detection rod 4 and the detecting head 5-1 by adopting the profiling base 3 provided with the mounting cavity, the guide hole and the guide groove 3-2a and adopting the transmission mechanism consisting of the detection rod base 6, the reset spring 7 and the connecting rod 8 so as to ensure the measurement accuracy of the displacement sensor 5 on the height detection rod 4, and has the advantages of compact structure and high reliability.
Preferably: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a photoelectric sensor 9 which is used for detecting whether the opening part 1-1b of the micromotor iron shell 1-1 is contacted with the top surface 3-2b of the supporting seat 3-2. Thus, in the step S2, the controller may control the time for receiving the displacement data output from the displacement sensor 5 using the detection result of the photoelectric sensor 9.
Example two
On the basis of the first embodiment, the second embodiment also adopts the following preferred embodiments:
the profiling base 3 is provided with a through hole 3a which penetrates through the profiling block 3-1 and the supporting seat 3-2 along the vertical direction, and each height detection rod 4 is arranged around the through hole 3 a;
the micromotor magnetic shoe assembly quality automatic detection mechanism further comprises an inner diameter detection rod 10, wherein the inner diameter detection rod 10 extends along the vertical direction and is installed in a through hole 3a of the profiling base 3 through a guide bearing 11; an inner diameter detection standard block 12 is fixed at the upper end of the inner diameter detection rod 10, the side face of the inner diameter detection standard block 12 is a cylindrical surface with a preset standard diameter, and when the micromotor iron shell 1-1 is sleeved on the contour block 3-1, the inner diameter detection standard block 12 is positioned right below a motor rotor installation cavity defined by inner wall surfaces 1-2b of the magnetic shoes 1-2; the lower end of the inner diameter detection rod 10 extends out of the through hole 3a and is connected with a driving device 13 mounted on the frame 2, and the driving device 13 can drive the inner diameter detection rod 10 to move up and down;
under the control of the controller, the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe works in the following way:
s2-1, when the opening part 1-1b of the iron shell 1-1 of the micro motor is tightly pressed on the top surface 3-2b of the supporting seat 3-2, controlling the driving device 13 to drive the inner diameter detection rod 10 to extend upwards so as to drive the inner diameter detection standard block 12 to move upwards and enter the inner cavity of the iron shell 1-1 of the micro motor; if the inner diameter detection standard block 12 can enter the motor rotor installation cavity, that is, the diameter of the motor rotor installation cavity is larger than the preset standard diameter, the assembly inner diameter of each magnetic shoe 1-2 of the micro-motor semi-finished product 1 is judged to be qualified, otherwise, the diameter of the motor rotor installation cavity is smaller than the preset standard diameter, and the assembly inner diameter is judged to be unqualified;
and S2-2, controlling the driving device 13 to drive the inner diameter detection rod 10 to retract downwards after judging whether the assembly inner diameter is qualified.
Therefore, the invention can automatically realize the qualitative detection of whether the assembly inner diameter of each magnetic shoe 1-2 of the micromotor semi-finished product 1 is qualified or not on the premise of not influencing the reliability of the quantitative detection of the assembly height of the magnetic shoes 1-2, has the advantages of high detection efficiency, high detection reliability and low cost, ensures that the assembly inner diameter of the magnetic shoes 1-2 of the micromotor semi-finished product 1 is qualified, and avoids unqualified products from flowing out.
The above is the basic implementation of the second embodiment, and further optimization, improvement and limitation can be performed on the basis of the basic implementation:
preferably: the driving device 13 is a cylinder, the cylinder body of the cylinder is fixed on the frame 2, and the piston rod 13-1 of the cylinder is coaxially connected with the lower end of the inner diameter detection rod 10.
Preferably: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a magnetic switch sensor 14 which is used for detecting whether the piston rod 13-1 of the air cylinder extends out completely. Thus, in the step S2-1, the controller may determine whether the fitting inner diameter is acceptable using the detection result of the magnetic switch sensor 14, that is: when the piston rod 13-1 is fully extended, the inner diameter detection standard block 12 enters the motor rotor installation cavity, and when the piston rod 13-1 fails to be extended or fails to be fully extended, the inner diameter detection standard block 12 fails to enter the motor rotor installation cavity.
Preferably, the following components: the inner diameter detection standard block 12 is fixedly connected with the upper end of the inner diameter detection rod 10 through a bolt 15.
EXAMPLE III
On the basis of the first embodiment or the second embodiment, the third embodiment further adopts the following preferred embodiments:
the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a clamping mechanism, and the clamping mechanism can clamp the micromotor iron shell 1-1 sleeved on the contour block 3-1. Therefore, in the step S2-1, when the opening 1-1b of the iron micromotor case 1-1 is pressed against the top surface 3-2b of the supporting seat 3-2, the controller can also control the clamping mechanism to clamp the iron micromotor case 1-1, so as to prevent the semi-finished product 1 of the micromotor from moving, and improve the reliability of various detections in the invention.
The above is the basic implementation of the third embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably: the clamping mechanism comprises a clamping jaw air cylinder 16 fixed on the rack 2, two driving ends of the clamping jaw air cylinder 16 are respectively fixed with a clamping jaw 17, and the profiling block 3-1 is positioned between the two clamping jaws 17.
The present invention is not limited to the above embodiments, and various other equivalent modifications, substitutions and alterations can be made without departing from the basic technical concept of the invention as described above, according to the common technical knowledge and conventional means in the field.
Claims (9)
1. An automatic detection mechanism for the assembling quality of micromotor magnetic shoes is used for detecting the assembling quality of a micromotor semi-finished product (1), wherein the micromotor semi-finished product (1) comprises a micromotor iron shell (1-1) and a plurality of magnetic shoes (1-2) which are adhered to the inner wall (1-1 a) of the micromotor iron shell (1-1) through glue coating;
the method is characterized in that:
the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe comprises a profiling base (3) fixed on a rack (2), wherein the profiling base (3) consists of a profiling block (3-1) and a supporting seat (3-2) which are connected up and down, and the profiling block (3-1) is suitable for being in sliding fit with the inner cavity of the micromotor iron shell (1-1) along the up and down direction;
the contour block (3-1) is provided with a height detection rod (4) corresponding to each magnetic tile (1-2) of the micromotor semi-finished product (1) in a sliding manner along the vertical direction, and the upper end of the height detection rod (4) extends out of the top surface of the contour block (3-1), so that when the micromotor iron shell (1-1) is sleeved on the contour block (3-1), the upper end of each height detection rod (4) is positioned right below the corresponding magnetic tile (1-2);
the supporting seat (3-2) is provided with a set of transmission mechanism corresponding to each height detection rod (4), the rack (2) is fixed with a displacement sensor (5) corresponding to each set of transmission mechanism, a detection head (5-1) of the displacement sensor (5) extends along the vertical direction, and the vertical movement of the height detection rod (4) can drive the detection head (5-1) corresponding to the displacement sensor (5) to move vertically through the corresponding transmission mechanism;
under the control of the controller, the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe works in the following way:
s1, controlling a manipulator to reversely place a detected micro-motor semi-finished product (1) on a profiling base (3) so that a micro-motor iron shell (1-1) of the micro-motor semi-finished product (1) is sleeved on a profiling block (3-1) of the profiling base (3);
s2, controlling the manipulator to press the micro-motor semi-finished product (1) downwards until an opening (1-1 b) of the micro-motor iron shell (1-1) is pressed on the top surface (3-2 b) of the supporting seat (3-2), receiving displacement data output by each displacement sensor (5) to calculate and obtain the assembly height c = a-b of each magnetic tile (1-2), wherein a is the distance between the top surface of a height detection rod (4) corresponding to the magnetic tile (1-2) and the top surface (3-2 b) of the supporting seat (3-2) along the vertical direction, and b is the displacement data output by the displacement sensor (5) corresponding to the magnetic tile (1-2);
and S3, after the micro-motor semi-finished product (1) is detected, controlling the manipulator to take the micro-motor semi-finished product (1) away from the profiling base (3).
2. The micromotor magnetic shoe assembly quality automatic detection mechanism of claim 1, characterized in that: the profiling base (3) is provided with a group of cavities corresponding to each magnetic shoe (1-2) of the micromotor semi-finished product (1), each group of cavities consists of a mounting cavity, a guide hole and a guide groove (3-2 a), the mounting cavity is arranged on the bottom surface of the supporting seat (3-2), the guide hole is arranged on the top surface of the profiling block (3-1) and extends to the mounting cavity along the vertical direction, and the guide groove (3-2 a) extends along the vertical direction and is arranged on the side surface of the supporting seat (3-2) and communicated with the mounting cavity;
drive mechanism includes measuring pole base (6), reset spring (7) and connecting rod (8), high measuring pole (4) with guiding hole sliding fit, measuring pole base (6) are fixed the lower extreme of high measuring pole (4) is located the installation intracavity, reset spring (7) are connected the bottom surface of measuring pole base (6) with between frame (2), connecting rod (8) and guide way (3-2 a) sliding fit, just connecting rod (8) fixed connection be in between measuring pole base (6) and detecting head (5-1) of displacement sensor (5).
3. The micromotor magnetic shoe assembly quality automatic detection mechanism of claim 1, characterized in that: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a photoelectric sensor (9) which is used for detecting whether an opening part (1-1 b) of the micromotor iron shell (1-1) is in contact with the top surface (3-2 b) of the supporting seat (3-2).
4. The mechanism for automatically detecting the assembling quality of the micromotor magnetic shoe according to any one of claims 1 to 3, is characterized in that: the profiling base (3) is provided with a through hole (3 a) which penetrates through the profiling block (3-1) and the supporting seat (3-2) along the vertical direction, and each height detection rod (4) is arranged around the through hole (3 a);
the micromotor magnetic shoe assembly quality automatic detection mechanism further comprises an inner diameter detection rod (10), wherein the inner diameter detection rod (10) extends along the vertical direction and is installed in a through hole (3 a) of the profiling base (3) through a guide bearing (11); an inner diameter detection standard block (12) is fixed at the upper end of the inner diameter detection rod (10), the side surface of the inner diameter detection standard block (12) is a cylindrical surface with a preset standard diameter, and when the micromotor iron shell (1-1) is sleeved on the contour block (3-1), the inner diameter detection standard block (12) is positioned right below a motor rotor installation cavity surrounded by the inner wall surfaces (1-2 b) of the magnetic shoes (1-2); the lower end of the inner diameter detection rod (10) extends out of the through hole (3 a) and is connected with a driving device (13) installed on the rack (2), and the driving device (13) can drive the inner diameter detection rod (10) to move up and down;
under the control of the controller, the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe works in the following way:
s2-1, when an opening part (1-1 b) of the micromotor iron shell (1-1) is tightly pressed on the top surface (3-2 b) of the supporting seat (3-2), controlling the driving device (13) to drive the inner diameter detection rod (10) to extend upwards so as to drive the inner diameter detection standard block (12) to move upwards and enter an inner cavity of the micromotor iron shell (1-1); if the inner diameter detection standard block (12) can enter the motor rotor installation cavity, judging that the assembly inner diameter of each magnetic shoe (1-2) of the micro-motor semi-finished product (1) is qualified, otherwise, judging that the assembly inner diameter is unqualified;
and S2-2, controlling the driving device (13) to drive the inner diameter detection rod (10) to retract downwards after judging whether the assembly inner diameter is qualified.
5. The micromotor magnetic shoe assembly quality automatic detection mechanism of claim 4, characterized in that: the driving device (13) is an air cylinder, the cylinder body of the air cylinder is fixed on the rack (2), and the piston rod (13-1) of the air cylinder is coaxially connected with the lower end of the inner diameter detection rod (10).
6. The micro-motor magnetic shoe assembly quality automatic detection mechanism of claim 5, characterized in that: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a magnetic switch sensor (14) which is used for detecting whether a piston rod (13-1) of the air cylinder extends out completely.
7. The micro-motor magnetic shoe assembly quality automatic detection mechanism of claim 4, characterized in that: the inner diameter detection standard block (12) is fixedly connected with the upper end of the inner diameter detection rod (10) through a bolt (15).
8. The automatic detection mechanism for assembling quality of micro-motor magnetic shoes according to any one of claims 1 to 3, characterized in that: the automatic detection mechanism for the assembling quality of the micromotor magnetic shoe further comprises a clamping mechanism, and the clamping mechanism can clamp the micromotor iron shell (1-1) sleeved on the contour block (3-1).
9. The micromotor magnetic shoe assembly quality automatic detection mechanism of claim 8, characterized in that: the clamping mechanism comprises a clamping jaw cylinder (16) fixed on the rack (2), two driving ends of the clamping jaw cylinder (16) are respectively fixed with a clamping jaw (17), and the profiling block (3-1) is positioned between the two clamping jaws (17).
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| CN103075988B (en) * | 2013-01-24 | 2015-03-18 | 苏州凯蒂亚半导体制造设备有限公司 | Device for rapidly detecting inner diameter and height of magnetic shoe housing assembly |
| WO2016066129A1 (en) * | 2014-10-30 | 2016-05-06 | 陈启星 | Linear motor based on radial magnetic tube |
| CN211579830U (en) * | 2020-01-21 | 2020-09-25 | 广汽零部件有限公司 | Micromotor props magnetic shoe frock |
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