Device for automatically testing inductance and implementation method thereof

Abstract

The invention discloses an automatic inductance testing device which comprises a case, a feeding conveying belt is mounted above the case, a feeding conveying belt is arranged on the discharging end side of the feeding conveying belt, a positioning assembly is arranged on the discharging end side of the feeding conveying belt, and a CCD camera assembly is arranged below the positioning assembly. One side of the positioning assembly is provided with an unqualified concentricity product receiving assembly, the end side of the positioning assembly is provided with an inductance measuring assembly, the end side of the inductance measuring assembly is provided with a transition conveying belt, one side of the inductance measuring assembly is provided with a pressure maintaining assembly, and the other side of the inductance measuring assembly is provided with a product carrying assembly; the invention further discloses an implementation method of the device for automatically testing the inductance. According to the automatic feeding device, automatic feeding of products is achieved, automatic sorting, collecting and arraying of unqualified concentricity products, qualified products and unqualified inductance values are achieved, manual intervention is reduced, the detection efficiency is improved, and the accuracy of the detection result is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of inductance testing, and in particular relates to a device for automatically testing inductance and a method for implementing the device. Background Art

[0002] Magnetic products refer to a sintered magnetic metal oxide composed of a mixture of various iron oxides. Magnetic products need to go through multiple processes such as powder molding, grinding, sintering and inductance testing.

[0003] Currently, the inductance measurement of magnetic products is done manually. During the manual inspection process, problems such as unqualified concentricity of the product center cylinder, unstable and uneven manual pressure, low overlap between products, and contact with metal or metal parts will cause unstable inductance measurement, resulting in the outflow of products with unqualified inductance, and manual inspection efficiency is not high. Summary of the invention

[0004] The purpose of the present invention is to provide a device for automatically testing inductance to solve the problems raised in the above background technology. The device for automatically testing inductance provided by the present invention has the characteristics of reducing labor intensity, improving detection efficiency and ensuring accurate inductance testing.

[0005] Another object of the present invention is to provide a method for realizing a device for automatically testing inductance.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an automatic inductance testing device comprises a chassis, a loading conveyor belt is installed above the chassis, a feeding conveyor belt is provided on the discharge end side of the loading conveyor belt, a positioning assembly is provided on the discharge end side of the feeding conveyor belt, a CCD camera assembly is provided below the positioning assembly, a concentricity unqualified product receiving assembly is provided on one side of the positioning assembly, an inductance measuring assembly is provided on the end side of the positioning assembly, a transition conveyor belt is provided on the end side of the inductance measuring assembly, a pressure holding assembly is provided on one side of the inductance measuring assembly, a product handling assembly is provided on the other side of the inductance measuring assembly, an inductance unqualified product receiving assembly is provided on one side of the transition conveyor belt, a qualified product conveyor belt is provided on the discharge end side of the transition conveyor belt, a pushing assembly is provided on one side of the qualified product conveyor belt, and a qualified product receiving assembly is provided on the other side of the qualified product conveyor belt, an inductance tester and a PLC controller are also installed on the chassis, and the inductance tester, the feeding conveyor belt, the transition conveyor belt and the qualified product conveyor belt are all connected to the PLC controller signal.

[0007] In order to achieve the positioning of the product, the positioning component further includes a positioning component mounting seat, a clamping cylinder is installed above the positioning component mounting seat, and two relatively arranged positioning seats are installed above the positioning component mounting seat through a linear guide rail, and the positioning seat is connected to the output end of the clamping cylinder.

[0008] In order to collect products with unqualified concentricity, further, a material receiving component for products with unqualified concentricity includes a material receiving mounting seat for products with unqualified concentricity, a material receiving sheet metal is installed above the material receiving mounting seat for products with unqualified concentricity through a linear guide rail, a material receiving cylinder for products with unqualified concentricity is installed below the material receiving mounting seat for products with unqualified concentricity, an output end of the material receiving cylinder for products with unqualified concentricity is connected to the material receiving sheet metal, a material guide track is installed at the end of the material receiving mounting seat for products with unqualified concentricity, and a limit block corresponding to the material guide track is also installed on the material receiving mounting seat for products with unqualified concentricity.

[0009] In order to realize automatic detection of product concentricity and ensure the qualification rate of products, the CCD camera assembly further includes a CCD camera mount, a light source is installed on the upper end of the CCD camera mount, a CCD camera located below the light source is installed on the side of the CCD camera mount, and both the light source and the CCD camera are connected to the PLC controller signal.

[0010] In order to realize the transportation of products, further, the product transportation component includes a product transportation mounting seat, a transverse movement module is installed on the product transportation mounting seat, a transverse movement plate is installed on the output end of the transverse movement module, and the transverse movement plate is also connected to the product transportation mounting seat through a linear guide rail. The first material suction assembly, the second material suction assembly and the third material suction assembly are installed on the transverse movement plate in sequence, and the transverse movement module is connected to the PLC controller signal.

[0011] In order to transport the products that have completed inductance value testing to the transition conveyor belt, further, the first suction assembly includes a first suction lifting cylinder, a first lifting plate is installed on the output end of the first suction lifting cylinder, two first suction nozzles are installed on the first lifting plate, and a blowing nozzle is installed on one side of the first suction nozzle.

[0012] In order to move the products that have passed the concentricity test from the positioning seat to the test seat, further, the second suction assembly includes a mounting plate, a second suction lifting cylinder is installed on the upper end of the mounting plate, a second lifting plate is installed on the mounting plate through a linear guide rail, the output end of the second suction lifting cylinder is connected to the second lifting plate, a fixed suction nozzle is installed on the second lifting plate, a suction nozzle transverse movement plate is installed on the second lifting plate through a linear guide rail, a transverse movement cylinder is also installed on the second lifting plate, the output end of the transverse movement cylinder is connected to the suction nozzle transverse movement plate, and a movable suction nozzle is installed on the suction nozzle transverse movement plate.

[0013] In order to transport the products on the feed conveyor belt to the positioning seat, further, the third suction assembly includes a third suction lifting cylinder, a third lifting plate is installed on the output end of the third suction lifting cylinder, and two second suction nozzles are installed on the third lifting plate.

[0014] In order to detect the inductance value of the product, further, the inductance measuring component includes an inductance measuring mounting seat, a test seat is installed above the inductance measuring mounting seat, a calibration block is installed inside the test seat, a coil is installed above the calibration block, the coil is connected to the signal of the inductance tester, a first alignment cylinder is installed on the inductance measuring mounting seat, the output end of the first alignment cylinder is connected to the first alignment block corresponding to one side of the test seat, and a second alignment cylinder is also installed on the inductance measuring mounting seat, and the output end of the second alignment cylinder is connected to the second alignment block corresponding to the other side of the test seat.

[0015] In order to press the product and ensure the accuracy of inductance value detection, the pressure maintaining component further includes a pressure maintaining mounting seat, which is installed on the output end of the pressure maintaining transverse movement cylinder. The pressure maintaining mounting seat is also connected to the chassis through a linear guide rail. Two pressure maintaining lifting cylinders are installed on the pressure maintaining mounting seat. A pressure maintaining block is installed on the output end of the pressure maintaining lifting cylinder. The pressure maintaining block is also connected to the pressure maintaining mounting seat through a linear guide rail.

[0016] In order to push products with unqualified inductance values ​​onto the unqualified inductance value conveyor belt, further, a concentricity unqualified product pushing cylinder corresponding to the unqualified inductance value receiving component is installed on one side of the transition conveyor belt, and a pushing block is installed on the output end of the concentricity unqualified product pushing cylinder.

[0017] In order to arrange and collect products with unqualified inductance values, further, the unqualified inductance value product receiving component includes an unqualified inductance value product conveyor belt, a pushing component is installed on one side of the discharge end of the unqualified inductance value conveyor belt, and a stacking plate is installed on the other side of the unqualified inductance value conveyor belt.

[0018] In order to push the products on the qualified product conveyor belt into the multi-layer material box, and push the unqualified inductance value products on the unqualified inductance value conveyor belt into the stacking plate, further, the pushing assembly includes a pushing mounting seat, a pushing cylinder is installed above the pushing mounting seat, a pushing plate is installed on the output end of the pushing cylinder, a guide plate lifting cylinder is installed above the pushing plate, a guide plate connecting block is installed on the output end of the guide plate lifting cylinder, a guide plate is installed on the guide plate connecting block, and a limit baffle is installed at the end of the pushing plate.

[0019] In order to realize the arrangement and collection of qualified products, increase the cache time, and reduce the number of manual handling times, further, the qualified product receiving component includes a qualified product receiving mounting seat, a qualified product receiving lifting seat is slidably provided on the qualified product receiving mounting seat, a multi-layer material box is arranged above the qualified product receiving lifting seat, a qualified product receiving screw rod nut is installed on the bottom plate of the qualified product receiving lifting seat, a qualified product receiving screw rod is rotated on the qualified product receiving mounting seat, and a qualified product receiving servo motor for driving the qualified product receiving screw rod to rotate is also installed on the qualified product receiving mounting seat, and the qualified product receiving screw rod is meshed and connected with the qualified product receiving screw rod nut.

[0020] In order to avoid blockage caused by the rear row products entering the feeding conveyor belt at the same time, the loading conveyor belt further includes a loading cylinder, a slider guide and a loading conveyor belt body, wherein the loading conveyor belt body is installed on the slider guide, and the output end of the loading cylinder is connected to the loading conveyor belt body.

[0021] In the present invention, the method for implementing the automatic inductance testing device further comprises the following steps:

[0022] (1) The staff puts the products neatly on the feeding conveyor belt, and the feeding conveyor belt neatly transfers the products to the feeding conveyor belt;

[0023] (ii) When the photoelectric sensor on the feed conveyor belt senses the product, the third suction component on the product handling component transports the product to the positioning seat;

[0024] (III) The CCD camera detects the concentricity of the product on the positioning seat. The qualified product is transported by the second suction component on the product transport component to the test seat on the inductance measuring component. When it is detected that the concentricity of the product is unqualified, the unqualified concentricity product receiving cylinder drives the receiving sheet metal to extend under the positioning seat, and the clamping cylinder drives the positioning seat to open. The unqualified concentricity product falls onto the receiving sheet metal, and then the unqualified concentricity product receiving cylinder drives the receiving sheet metal to reset. Under the action of the limit block, the unqualified concentricity product enters the collection box through the material guide track;

[0025] (IV) After the product is placed in the test seat, the first alignment cylinder drives the first alignment block to move, and the second alignment cylinder drives the second alignment block to move, pushing the product so that the product overlaps with the calibration block, and then the pressure-holding transverse cylinder drives the pressure-holding block to move to the top of the test seat, and the pressure-holding lifting cylinder drives the pressure-holding block to descend to press the product, and then the inductance value detection begins;

[0026] (V) After the inductance value test is completed, the first suction component on the product handling component is used to transport the product to the transition conveyor belt. The qualified inductance products are transported backward along the transition conveyor belt to the qualified product conveyor belt. The unqualified inductance products are pushed by the unqualified concentricity product pushing cylinder to the unqualified inductance product conveyor belt and then transported backward.

[0027] (6) When the photoelectric detector on the conveyor belt of qualified products continuously detects products, the pushing assembly on the conveyor belt of qualified products will move to push the entire row of products into the multi-layer material box of the receiving assembly of qualified products. When the photoelectric detector on the conveyor belt of unqualified inductance values ​​continuously detects products, the pushing assembly on the conveyor belt of unqualified inductance values ​​will move to push the entire row of products onto the stacking board.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] 1. The present invention realizes automatic loading of products by cooperating with the loading conveyor belt and the feeding conveyor belt. By setting the unqualified concentricity receiving component, the qualified product receiving component and the unqualified inductance receiving component, the unqualified concentricity products, the qualified products and the unqualified inductance products are automatically classified, collected and arranged, which reduces manual intervention, improves the efficiency of detection and ensures the accuracy of the detection results.

[0030] 2. The present invention realizes automatic detection of product concentricity through a CCD camera, thereby ensuring the qualified rate of the product;

[0031] 3. The first material suction component, the second material suction component and the third material suction component are respectively installed on the product handling component of the present invention, which effectively ensures the efficiency of product handling, thereby improving the detection efficiency;

[0032] 4. The second suction assembly of the present invention drives the movable suction nozzle to move through the lateral movement cylinder, and adjusts the distance between the movable suction nozzle and the fixed suction nozzle, so as to meet the requirements of different distances between the positioning seat and the product on the test seat;

[0033] 5. The present invention drives the first alignment block to move by the first alignment cylinder, drives the second alignment block to move by the second alignment cylinder, pushes the product to make it overlap with the calibration block, and drives the pressure-maintaining lifting cylinder to lower the pressure-maintaining block to press the product, thereby ensuring the accuracy of inductance value detection;

[0034] 6. The present invention can blow air to the calibration block and the coil by setting the air blowing nozzle, so as to achieve rapid cooling of the calibration block and the coil, thereby avoiding the over-high temperature of the calibration block and the coil due to continuous testing, which may affect the accuracy of the test structure and reduce the service life;

[0035] 7. The structures in contact with the product on the inductance measuring component and the pressure-maintaining component of the present invention are all made of polyetheretherketone, which can effectively avoid the influence of metal parts on the inductance test. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of the present invention;

[0037] Figure 2 It is a structural schematic diagram of the feeding conveyor belt of the present invention;

[0038] Figure 3 It is a structural schematic diagram of the positioning assembly of the present invention;

[0039] Figure 4 It is a structural schematic diagram of a receiving assembly for unqualified concentricity products according to the present invention;

[0040] Figure 5 It is a structural schematic diagram of the CCD camera assembly of the present invention;

[0041] Figure 6 It is a structural schematic diagram of the product handling assembly of the present invention;

[0042] Figure 7 It is a schematic structural diagram of the first material suction assembly of the present invention;

[0043] Figure 8 It is a structural schematic diagram of the second material suction assembly of the present invention;

[0044] Fig. 9 It is a schematic structural diagram of the third material suction assembly of the present invention;

[0045] Fig.10 It is a structural schematic diagram of the inductance measuring component of the present invention;

[0046] Fig.11 It is a structural schematic diagram of the pressure-maintaining component of the present invention;

[0047] Fig.12 It is a structural schematic diagram of the transition conveyor belt of the present invention;

[0048] Fig.13 It is a structural schematic diagram of a receiving assembly for unqualified inductance products according to the present invention;

[0049] Fig.14 This is a schematic structural diagram of a qualified product receiving assembly of the present invention;

[0050] In the figure: 1. Inductance tester; 2. Product handling assembly; 21. Product handling mounting seat; 22. Transverse shift plate; 23. Transverse shift module; 24. First suction assembly; 241. First suction lifting cylinder; 242. First lifting plate; 243. First suction nozzle; 244. Blowing nozzle; 25. Second suction assembly; 251. Mounting plate; 252. Second suction lifting cylinder; 253. Second lifting plate; 254. Suction nozzle transverse shift plate; 255. Fixed suction nozzle; 256. Movable suction nozzle; 257. Transverse shift cylinder; 26. Third suction assembly; 261. Third suction Material lifting cylinder; 262, the third lifting plate; 263, the second suction nozzle; 3, the concentricity unqualified product receiving assembly; 31, the concentricity unqualified product receiving mounting seat; 32, the material receiving sheet metal; 33, the limit stopper; 34, the material guide track; 35, the concentricity unqualified product receiving cylinder; 4, the feeding conveyor belt; 41, the feeding cylinder; 42, the slider guide rail; 43, the feeding conveyor belt body; 5, the chassis; 6, the feeding conveyor belt; 7, the positioning assembly; 71, the positioning assembly mounting seat; 72, the clamping claw cylinder; 73, the positioning seat; 8, the CCD camera assembly; 81, the CCD Camera mounting seat; 82, light source; 83, CCD camera; 9, pressure-maintaining assembly; 91, pressure-maintaining lateral cylinder; 92, pressure-maintaining mounting seat; 93, pressure-maintaining lifting cylinder; 94, pressure-maintaining block; 10, inductance measuring assembly; 101, inductance measuring mounting seat; 102, first alignment cylinder; 103, first alignment block; 104, coil; 105, calibration block; 106, test seat; 107, second alignment block; 108, second alignment cylinder; 11, transition conveyor belt; 111, concentricity unqualified product push cylinder; 112, push block; 12, push assembly; 1 21. Pushing mounting seat; 122. Pushing cylinder; 123. Guide plate lifting cylinder; 124. Guide plate connecting block; 125. Guide plate; 126. Limit baffle; 127. Pushing plate; 13. Conveyor belt for qualified products; 14. Qualified product receiving assembly; 141. Qualified product receiving mounting seat; 142. Qualified product receiving lifting seat; 143. Qualified product receiving screw nut; 144. Qualified product receiving screw; 145. Multi-layer material box; 146. Qualified product receiving servo motor; 15. Qualified product receiving assembly for inductance value; 151. Conveyor belt for unqualified product for inductance value. DETAILED DESCRIPTION

[0051] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0052] Example 1

[0053] See also Figure 1-14 The present invention provides the following technical solutions: an automatic inductance testing device, comprising a chassis 5, a feeding conveyor belt 4 is installed above the chassis 5, a feeding conveyor belt 6 is provided at the discharge end side of the feeding conveyor belt 4, a positioning component 7 is provided at the discharge end side of the feeding conveyor belt 6, a CCD camera component 8 is provided below the positioning component 7, a concentricity defective product receiving component 3 is provided on one side of the positioning component 7, an inductance measuring component 10 is provided on the end side of the positioning component 7, a transition conveyor belt 11 is provided on the end side of the inductance measuring component 10, a pressure holding component 9 is provided on one side of the inductance measuring component 10, and a pressure measuring component 10 is provided on the other side of the inductance measuring component 10. A product handling component 2 is provided on the other side, an inductance unqualified product receiving component 15 is provided on one side of the transition conveyor belt 11, a qualified product conveyor belt 13 is provided on the discharge end side of the transition conveyor belt 11, a pushing component 12 is provided on one side of the qualified product conveyor belt 13, and a qualified product receiving component 14 is provided on the other side of the qualified product conveyor belt 13. An inductance tester 1 and a PLC controller are also installed on the chassis 5. The inductance tester 1, the feeding conveyor belt 6, the transition conveyor belt 11 and the qualified product conveyor belt 13 are all connected with the PLC controller signal. The inductance tester 1 uses Tonghui's TH2826 model.

[0054] By adopting the above technical scheme, the present invention realizes automatic loading of products through the cooperation of the loading conveyor belt 4 and the feeding conveyor belt 6, and through the setting of the concentricity unqualified product receiving component 3, the qualified product receiving component 14 and the inductance value unqualified product receiving component 15, the concentricity unqualified products, qualified products and inductance value unqualified products are automatically classified, collected and arranged, which reduces manual intervention, improves the efficiency of detection and ensures the accuracy of the detection results.

[0055] Specifically, the positioning assembly 7 includes a positioning assembly mounting seat 71, a clamping cylinder 72 is installed above the positioning assembly mounting seat 71, and two relatively arranged positioning seats 73 are also installed above the positioning assembly mounting seat 71 through a linear guide rail, and the positioning seat 73 is connected to the output end of the clamping cylinder 72.

[0056] By adopting the above technical solution, the positioning of the product is achieved.

[0057] Specifically, the concentricity unqualified product receiving component 3 includes a concentricity unqualified product receiving mounting seat 31, a material receiving sheet metal 32 is installed above the concentricity unqualified product receiving mounting seat 31 through a linear guide rail, a concentricity unqualified product receiving cylinder 35 is installed below the concentricity unqualified product receiving mounting seat 31, the output end of the concentricity unqualified product receiving cylinder 35 is connected to the material receiving sheet metal 32, a material guide rail 34 is installed at the end of the concentricity unqualified product receiving mounting seat 31, and the concentricity unqualified product receiving mounting seat 31 is also installed with a limit stop block 33 corresponding to the material guide rail 34.

[0058] By adopting the above technical solution, products with unqualified concentricity can be collected.

[0059] Specifically, the CCD camera assembly 8 includes a CCD camera mounting seat 81, a light source 82 is installed on the upper end of the CCD camera mounting seat 81, a CCD camera 83 located below the light source 82 is installed on the side of the CCD camera mounting seat 81, and both the light source 82 and the CCD camera 83 are connected to the PLC controller signal.

[0060] By adopting the above technical solution, the CCD camera 83 can be used to automatically detect the concentricity of the product, thereby ensuring the qualified rate of the product.

[0061] Specifically, the product handling assembly 2 includes a product handling mounting seat 21, on which a transverse shift module 23 is mounted, on the output end of which a transverse shift plate 22 is mounted, and the transverse shift plate 22 is also connected to the product handling mounting seat 21 through a linear guide rail, on which a first suction assembly 24, a second suction assembly 25 and a third suction assembly 26 are sequentially mounted, and the transverse shift module 23 is signal-connected to a PLC controller.

[0062] By adopting the above technical solution, the transportation of products can be achieved.

[0063] Specifically, the first material suction assembly 24 includes a first material suction lifting cylinder 241 , a first lifting plate 242 is installed on the output end of the first material suction lifting cylinder 241 , and two first suction nozzles 243 are installed on the first lifting plate 242 .

[0064] By adopting the above technical solution, the products that have completed the inductance value detection are transported to the transition conveyor belt 11.

[0065] Specifically, the second suction assembly 25 includes a mounting plate 251, a second suction lifting cylinder 252 is mounted on the upper end of the mounting plate 251, a second lifting plate 253 is mounted on the mounting plate 251 via a linear guide rail, an output end of the second suction lifting cylinder 252 is connected to the second lifting plate 253, a fixed suction nozzle 255 is mounted on the second lifting plate 253, a suction nozzle transverse plate 254 is mounted on the second lifting plate 253 via a linear guide rail, a transverse cylinder 257 is also mounted on the second lifting plate 253, an output end of the transverse cylinder 257 is connected to the suction nozzle transverse plate 254, and a movable suction nozzle 256 is mounted on the suction nozzle transverse plate 254.

[0066] By adopting the above-mentioned technical solution, the products that have passed the concentricity test are moved from the positioning seat 73 to the test seat 106, and the movable suction nozzle 256 is driven to move by the transverse cylinder 257, and the distance between the movable suction nozzle 256 and the fixed suction nozzle 255 is adjusted to meet the different distance requirements between the products on the positioning seat 73 and the test seat 106.

[0067] Specifically, the third material suction assembly 26 includes a third material suction lifting cylinder 261 , a third lifting plate 262 is installed on the output end of the third material suction lifting cylinder 261 , and two second suction nozzles 263 are installed on the third lifting plate 262 .

[0068] By adopting the above technical solution, the products on the feed conveyor belt 6 are transported to the positioning seat 73.

[0069] Specifically, the inductance measuring component 10 includes an inductance measuring mounting seat 101, a test seat 106 is installed above the inductance measuring mounting seat 101, a calibration block 105 is installed inside the test seat 106, a coil 104 is installed above the calibration block 105, the coil 104 is connected to the signal of the inductance tester 1, a first alignment cylinder 102 is installed on the inductance measuring mounting seat 101, the output end of the first alignment cylinder 102 is connected to the first alignment block 103 corresponding to one side of the test seat 106, and a second alignment cylinder 108 is also installed on the inductance measuring mounting seat 101, and the output end of the second alignment cylinder 108 is connected to the second alignment block 107 corresponding to the other side of the test seat 106.

[0070] By adopting the above technical solution, the inductance value of the product can be detected. The first alignment cylinder 102 drives the first alignment block 103 to move, and the second alignment cylinder 108 drives the second alignment block 107 to move, so as to push the product so that the product overlaps with the calibration block 105, thereby ensuring the accuracy of the inductance value detection.

[0071] Specifically, the pressure-maintaining assembly 9 includes a pressure-maintaining mounting seat 92, which is mounted on the output end of the pressure-maintaining transverse movement cylinder 91. The pressure-maintaining mounting seat 92 is also connected to the chassis 5 through a linear guide rail. Two pressure-maintaining lifting cylinders 93 are installed on the pressure-maintaining mounting seat 92. A pressure-maintaining block 94 is installed on the output end of the pressure-maintaining lifting cylinder 93. The pressure-maintaining block 94 is also connected to the pressure-maintaining mounting seat 92 through a linear guide rail.

[0072] By adopting the above technical solution, the pressure-maintaining lifting cylinder 93 drives the pressure-maintaining block 94 to descend and press the product, thereby ensuring the accuracy of inductance value detection.

[0073] Specifically, a concentricity unqualified product pushing cylinder 111 corresponding to the inductance value unqualified product receiving component 15 is installed on one side of the transition conveyor belt 11, and a pushing block 112 is installed on the output end of the concentricity unqualified product pushing cylinder 111.

[0074] By adopting the above technical solution, the products with unqualified inductance values ​​are pushed onto the unqualified inductance value product conveyor belt 151.

[0075] Specifically, the unqualified inductance value product receiving component 15 includes an unqualified inductance value product conveying belt 151, a pushing component 12 is installed on one side of the discharge end of the unqualified inductance value product conveying belt 151, and a stacking plate is installed on the other side of the unqualified inductance value product conveying belt 151.

[0076] By adopting the above technical solution, products with unqualified inductance values ​​can be arranged and collected.

[0077] Specifically, the pushing assembly 12 includes a pushing mounting seat 121, a pushing cylinder 122 is installed above the pushing mounting seat 121, a pushing plate 127 is installed on the output end of the pushing cylinder 122, a guide plate lifting cylinder 123 is installed above the pushing plate 127, a guide plate connecting block 124 is installed on the output end of the guide plate lifting cylinder 123, a guide plate 125 is installed on the guide plate connecting block 124, and a limiting baffle 126 is installed at the end of the pushing plate 127.

[0078] By adopting the above technical solution, the products on the qualified product conveyor belt 13 are pushed into the multi-layer material box 145, and the unqualified inductance products on the unqualified inductance value conveyor belt 151 are pushed onto the stacking plate.

[0079] Specifically, the qualified product receiving assembly 14 includes a qualified product receiving mounting seat 141, on which a qualified product receiving lifting seat 142 is slidably mounted, and a multi-layer material box 145 is arranged above the qualified product receiving lifting seat 142. A qualified product receiving screw nut 143 is mounted on the bottom plate of the qualified product receiving lifting seat 142, and a qualified product receiving screw 144 is rotatable on the qualified product receiving mounting seat 141. A qualified product receiving servo motor 146 for driving the qualified product receiving screw 144 to rotate is also mounted on the qualified product receiving mounting seat 141, and the qualified product receiving screw 144 is meshingly connected with the qualified product receiving screw nut 143.

[0080] By adopting the above technical solution, it is possible to arrange and collect qualified products, increase the buffer time, and reduce the number of manual handling times.

[0081] Example 2

[0082] The present embodiment is different from the first embodiment in that: specifically, an air blowing nozzle 244 is installed on one side of the first suction nozzle 243 .

[0083] By adopting the above technical solution, through the setting of the blowing nozzle 244, it is possible to blow air into the calibration block 105 and the coil 104, thereby achieving rapid cooling of the calibration block 105 and the coil 104, thereby avoiding excessive temperature of the calibration block 105 and the coil 104 due to continuous detection, which affects the accuracy of the test structure and reduces the service life.

[0084] Example 3

[0085] The difference between this embodiment and Embodiment 1 is that: specifically, the feeding conveyor belt 4 includes a feeding cylinder 41, a slider guide rail 42 and a feeding conveyor belt body 43, wherein the feeding conveyor belt body 43 is installed on the slider guide rail 42, and the output end of the feeding cylinder 41 is connected to the feeding conveyor belt body 43.

[0086] By adopting the above technical solution, it is avoided that the rear row products enter the feed conveyor belt 6 at the same time to cause blockage.

[0087] Example 4

[0088] Furthermore, a method for implementing a device for automatically testing inductance according to the present invention comprises the following steps:

[0089] (i) The staff puts the products neatly onto the loading conveyor belt body 43, and the loading conveyor belt body 43 neatly transfers the products to the feeding conveyor belt 6;

[0090] (ii) When the photoelectric sensor on the feed conveyor belt 6 senses the product, the third suction component 26 on the product transport component 2 transports the product to the positioning seat 73;

[0091] (III) The CCD camera 83 detects the concentricity of the product on the positioning seat 73. The qualified product is transported by the second suction assembly 25 on the product transport assembly 2 to the test seat 106 on the inductance measuring assembly 10. When it is detected that the concentricity of the product is unqualified, the unqualified concentricity product receiving cylinder 35 drives the receiving sheet metal 32 to extend under the positioning seat 73, and the clamping claw cylinder 72 drives the positioning seat 73 to open, and the unqualified concentricity product falls onto the receiving sheet metal 32, and then the unqualified concentricity product receiving cylinder 35 drives the receiving sheet metal 32 to reset, and under the action of the limit stopper 33, the unqualified concentricity product enters the collection box through the guide track 34;

[0092] (IV) After the product is placed in the test seat 106, the first alignment cylinder 102 drives the first alignment block 103 to move, and the second alignment cylinder 108 drives the second alignment block 107 to move, pushing the product so that the product overlaps with the calibration block 105, and then the pressure-maintaining transverse cylinder 91 drives the pressure-maintaining block 94 to move to the top of the test seat 106, and the pressure-maintaining lifting cylinder 93 drives the pressure-maintaining block 94 to descend to press the product, and then the inductance value detection begins;

[0093] (V) After the inductance value detection is completed, the first suction component 24 on the product conveying component 2 conveys the product to the transition conveyor belt 11, and the qualified inductance products are conveyed backward along the transition conveyor belt 11 to the qualified product conveyor belt 13, and the unqualified inductance products are pushed by the unqualified concentricity product pushing cylinder 111 to the unqualified inductance product conveyor belt 151 and conveyed backward;

[0094] (VI) When the photoelectric detector on the qualified product conveyor belt 13 continuously detects the product, the pushing assembly 12 on the qualified product conveyor belt 13 operates to push the entire row of products into the multi-layer material box 145 of the qualified product receiving assembly 14; when the photoelectric detector on the unqualified inductance value conveyor belt 151 continuously detects the product, the pushing assembly 12 on the unqualified inductance value conveyor belt 151 operates to push the entire row of products onto the stacking board.

[0095] In summary, the present invention realizes automatic loading of products through the cooperation of the loading conveyor belt 4 and the feeding conveyor belt 6, and realizes automatic classification, collection and arrangement of concentricity unqualified products, qualified products and inductance unqualified products through the arrangement of the concentricity unqualified product receiving component 3, the qualified product receiving component 14 and the inductance value unqualified product receiving component 15, thereby reducing manual intervention, improving the efficiency of detection and ensuring the accuracy of the detection result; the present invention realizes automatic detection of product concentricity through the CCD camera 83, thereby ensuring the qualified rate of the product; the first suction component 24, the second suction component 25 and the third suction component 26 are respectively installed on the product handling component 2 of the present invention, thereby effectively ensuring the efficiency of product handling and thus improving the detection efficiency; the second suction component 25 of the present invention drives the movable suction nozzle 256 to move through the transverse cylinder 257, and adjusts the movable suction nozzle 256 and the fixed suction nozzle The spacing between the nozzles 255 can meet the different spacing requirements of the products on the positioning seat 73 and the test seat 106; the first alignment cylinder 102 drives the first alignment block 103 to move, and the second alignment cylinder 108 drives the second alignment block 107 to move, so as to push the product to overlap with the calibration block 105, and the pressure-maintaining lifting cylinder 93 drives the pressure-maintaining block 94 to descend and press the product to ensure the accuracy of inductance value detection; the present invention can blow air to the calibration block 105 and the coil 104 through the setting of the blowing nozzle 244, so as to achieve rapid cooling of the calibration block 105 and the coil 104, and avoid the calibration block 105 and the coil 104 from being overheated due to continuous detection, which affects the accuracy of the test structure and reduces the service life; the structures in contact with the product on the inductance measuring component 10 and the pressure-maintaining component 9 of the present invention are all made of polyetheretherketone, which can effectively avoid the influence of metal parts on the inductance test.

[0096] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for automatically testing inductance, comprising a chassis, characterized in that: A loading conveyor belt is installed above the chassis, and a feeding conveyor belt is provided on the discharge end side of the loading conveyor belt, a positioning assembly is provided on the discharge end side of the feeding conveyor belt, a CCD camera assembly is provided below the positioning assembly, a concentricity unqualified product receiving assembly is provided on one side of the positioning assembly, an inductance measuring assembly is provided on the end side of the positioning assembly, a transition conveyor belt is provided on the end side of the inductance measuring assembly, a pressure holding assembly is provided on one side of the inductance measuring assembly, a product handling assembly is provided on the other side of the inductance measuring assembly, an inductance unqualified product receiving assembly is provided on one side of the transition conveyor belt, a qualified product conveyor belt is provided on the discharge end side of the transition conveyor belt, a pushing assembly is provided on one side of the qualified product conveyor belt, and a qualified product receiving assembly is provided on the other side of the qualified product conveyor belt. An inductance tester and a PLC controller are also installed on the chassis, and the inductance tester, the feeding conveyor belt, the transition conveyor belt and the qualified product conveyor belt are all connected to the PLC controller signal.

2. The device for automatically testing inductance according to claim 1, characterized in that: The positioning assembly comprises a positioning assembly mounting seat, a clamping cylinder is mounted above the positioning assembly mounting seat, and two relatively arranged positioning seats are mounted above the positioning assembly mounting seat via a linear guide rail, and the positioning seats are connected to the output end of the clamping cylinder.

3. The device for automatically testing inductance according to claim 1, characterized in that: The concentricity unqualified product receiving component includes a concentricity unqualified product receiving mounting seat, a material receiving sheet metal is installed above the concentricity unqualified product receiving mounting seat through a linear guide rail, a concentricity unqualified product receiving cylinder is installed below the concentricity unqualified product receiving mounting seat, the output end of the concentricity unqualified product receiving cylinder is connected to the material receiving sheet metal, a material guide track is installed at the end of the concentricity unqualified product receiving mounting seat, and the concentricity unqualified product receiving mounting seat is also installed with a limit block corresponding to the material guide track.

4. The device for automatically testing inductance according to claim 1, characterized in that: The CCD camera assembly includes a CCD camera mounting seat, a light source is installed on the upper end of the CCD camera mounting seat, a CCD camera located below the light source is installed on the side of the CCD camera mounting seat, and both the light source and the CCD camera are connected to the PLC controller signal.

5. The device for automatically testing inductance according to claim 1, characterized in that: The product handling assembly includes a product handling mounting seat, a transverse shift module is installed on the product handling mounting seat, a transverse shift plate is installed on the output end of the transverse shift module, and the transverse shift plate is also connected to the product handling mounting seat through a linear guide rail, and a first suction assembly, a second suction assembly and a third suction assembly are sequentially installed on the transverse shift plate, and the transverse shift module is connected to the PLC controller signal; the first suction assembly includes a first suction lifting cylinder, a first lifting plate is installed on the output end of the first suction lifting cylinder, two first suction nozzles are installed on the first lifting plate, and a blowing nozzle is installed on one side of the first suction nozzle; the second suction assembly includes an installation A plate, a second suction lifting cylinder is installed on the upper end of the mounting plate, a second lifting plate is installed on the mounting plate through a linear guide rail, the output end of the second suction lifting cylinder is connected to the second lifting plate, a fixed suction nozzle is installed on the second lifting plate, a suction nozzle transverse movement plate is installed on the second lifting plate through a linear guide rail, a transverse movement cylinder is also installed on the second lifting plate, the output end of the transverse movement cylinder is connected to the suction nozzle transverse movement plate, and a movable suction nozzle is installed on the suction nozzle transverse movement plate; the third suction assembly includes a third suction lifting cylinder, a third lifting plate is installed on the output end of the third suction lifting cylinder, and two second suction nozzles are installed on the third lifting plate.

6. The device for automatically testing inductance according to claim 1, characterized in that: The inductance measuring assembly includes an inductance measuring mounting seat, a test seat is installed above the inductance measuring mounting seat, a calibration block is installed inside the test seat, a coil is installed above the calibration block, the coil is connected to the signal of the inductance tester, a first alignment cylinder is installed on the inductance measuring mounting seat, the output end of the first alignment cylinder is connected to the first alignment block corresponding to one side of the test seat, and a second alignment cylinder is also installed on the inductance measuring mounting seat, and the output end of the second alignment cylinder is connected to the second alignment block corresponding to the other side of the test seat.

7. The device for automatically testing inductance according to claim 1, characterized in that: The pressure-maintaining assembly includes a pressure-maintaining mounting seat, which is mounted on the output end of the pressure-maintaining transverse movement cylinder. The pressure-maintaining mounting seat is also connected to the chassis through a linear guide rail. Two pressure-maintaining lifting cylinders are installed on the pressure-maintaining mounting seat. A pressure-maintaining block is installed on the output end of the pressure-maintaining lifting cylinder. The pressure-maintaining block is also connected to the pressure-maintaining mounting seat through a linear guide rail.

8. The device for automatically testing inductance according to claim 1, characterized in that: The pushing assembly includes a pushing mounting seat, a pushing cylinder is installed above the pushing mounting seat, a pushing plate is installed on the output end of the pushing cylinder, a guide plate lifting cylinder is installed above the pushing plate, a guide plate connecting block is installed on the output end of the guide plate lifting cylinder, a guide plate is installed on the guide plate connecting block, and a limiting baffle is installed at the end of the pushing plate.

9. The device for automatically testing inductance according to claim 1, characterized in that: The qualified product receiving assembly includes a qualified product receiving mounting seat, a qualified product receiving lifting seat is slidably arranged on the qualified product receiving mounting seat, a multi-layer material box is arranged above the qualified product receiving lifting seat, a qualified product receiving screw rod nut is installed on the bottom plate of the qualified product receiving lifting seat, a qualified product receiving screw rod is rotated on the qualified product receiving mounting seat, a qualified product receiving servo motor for driving the qualified product receiving screw rod to rotate is also installed on the qualified product receiving mounting seat, and the qualified product receiving screw rod is meshingly connected with the qualified product receiving screw rod nut.

10. A method for implementing a device for automatically testing inductance according to any one of claims 1 to 9, characterized in that: The following steps are involved: (1) The employees put the products neatly on the feeding conveyor belt body, and the feeding conveyor belt body transfers the products neatly to the feeding conveyor belt; (ii) When the photoelectric sensor on the feed conveyor belt senses the product, the third suction component on the product handling component transports the product to the positioning seat; (III) The CCD camera detects the concentricity of the product on the positioning seat. The qualified product is transported by the second suction component on the product transport component to the test seat on the inductance measuring component. When it is detected that the concentricity of the product is unqualified, the unqualified concentricity product receiving cylinder drives the receiving sheet metal to extend under the positioning seat, and the clamping cylinder drives the positioning seat to open. The unqualified concentricity product falls onto the receiving sheet metal, and then the unqualified concentricity product receiving cylinder drives the receiving sheet metal to reset. Under the action of the limit block, the unqualified concentricity product enters the collection box through the material guide track; (IV) After the product is placed in the test seat, the first alignment cylinder drives the first alignment block to move, and the second alignment cylinder drives the second alignment block to move, pushing the product so that the product overlaps with the calibration block, and then the pressure-holding transverse cylinder drives the pressure-holding block to move to the top of the test seat, and the pressure-holding lifting cylinder drives the pressure-holding block to descend to press the product, and then the inductance value detection begins; (V) After the inductance value test is completed, the first suction component on the product handling component is used to transport the product to the transition conveyor belt. The qualified inductance products are transported backward along the transition conveyor belt to the qualified product conveyor belt. The unqualified inductance products are pushed by the unqualified concentricity product pushing cylinder to the unqualified inductance product conveyor belt and then transported backward. (6) When the photoelectric detector on the conveyor belt of qualified products continuously detects products, the pushing assembly on the conveyor belt of qualified products will move to push the entire row of products into the multi-layer material box of the receiving assembly of qualified products. When the photoelectric detector on the conveyor belt of unqualified inductance values ​​continuously detects products, the pushing assembly on the conveyor belt of unqualified inductance values ​​will move to push the entire row of products onto the stacking board.

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