CN116764989A - Ultra-low resistance test equipment and method thereof - Google Patents
Ultra-low resistance test equipment and method thereof Download PDFInfo
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- CN116764989A CN116764989A CN202310992427.3A CN202310992427A CN116764989A CN 116764989 A CN116764989 A CN 116764989A CN 202310992427 A CN202310992427 A CN 202310992427A CN 116764989 A CN116764989 A CN 116764989A
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- 230000009471 action Effects 0.000 claims description 9
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- 230000008569 process Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
Abstract
The application discloses an ultralow-resistance test device and a method thereof, belonging to the field of resistance test, and comprising a table body and a four-station electric turntable, wherein the four-station electric turntable is transversely arranged on the table body, and the four-station electric turntable is uniformly provided with a feeding mechanism, a resistance detection mechanism, a good product blanking mechanism and a bad part blanking mechanism in sequence; the four stations of the four-station electric turntable are respectively provided with a longitudinally extending mounting groove, and each mounting groove is internally provided with a positioning module for accurately positioning the resistor; according to the application, the resistor can be accurately positioned through the positioning module, so that the stability of the resistor in the running process of following the four-station electric turntable is ensured, and meanwhile, when the resistance detection mechanism detects the resistance, the detection precision of the resistance detection position can be ensured, and the accuracy of resistance detection is avoided.
Description
Technical Field
The application belongs to the field of resistance testing, and particularly relates to ultralow-resistance testing equipment and a method thereof.
Background
The low-resistance resistor is mainly applied to power management of products such as power modules, chargers and communication, switching power supplies, overcurrent protectors for automatic application, voltage stabilizing modules, direct current converters, battery protection boards, chargers, disk drives, mobile phones, computers and the like, and the ultralow alloy resistor also has the functions of current induction (current detection and current induction) and can be used for power saving management of power supplies.
The utility model provides an ultra-low resistance is "" type, and its both ends all have a arch, as shown in fig. 13, when carrying out the resistance detection to the resistance, the check point of resistance is the both ends department of resistance, and at present, when carrying out the resistance detection to ultra-low resistance in China, most by the manual work carries out resistance measurement to the resistance, and this kind of mode measurement efficiency is lower, and a minority producer adopts automated equipment to carry out the resistance detection to it, but because the appearance of resistance is less, adopts equipment to be difficult to guarantee resistance test efficiency, guarantees the measurement position precision of resistance.
Disclosure of Invention
The embodiment of the application provides an ultralow-resistance test device and an ultralow-resistance test method, which are used for solving the problems in the prior art.
The embodiment of the application adopts the following technical scheme: the ultra-low resistance test equipment comprises a table body and a four-station electric turntable, wherein the four-station electric turntable is transversely arranged on the table body, and a feeding mechanism, a resistance detection mechanism, a good product blanking mechanism and a bad part blanking mechanism are uniformly and sequentially arranged around the four-station electric turntable;
four stations of four-station electric rotating disc are provided with longitudinally extending mounting grooves, and each mounting groove is internally provided with a positioning module for accurately positioning the resistor.
Further, each group of positioning modules comprises a mounting block, two rectangular rods and two round rods, the top of the mounting block is provided with a first strip-shaped groove, the first strip-shaped groove penetrates through the mounting block towards the direction away from the center of the four-station electric turntable, the first strip-shaped groove is used for accommodating resistors, the top of the mounting block is also provided with two second strip-shaped grooves, the two second strip-shaped grooves are arranged in parallel, each second strip-shaped groove is vertically crossed with the first strip-shaped groove, the first strip-shaped groove is positioned at the center of the two second strip-shaped grooves, the two rectangular rods are respectively arranged in the two second strip-shaped grooves, the length direction of each rectangular rod is consistent with the length direction of the corresponding second strip-shaped groove, the two round rods are respectively arranged in the two second strip-shaped grooves, the two rectangular rods are respectively positioned at the left side of the first strip-shaped groove, the two round rods are respectively positioned at the right side of the first strip-shaped groove, the right side of each rectangular rod is provided with a round groove extending along the length direction, and the two round rods are respectively arranged coaxially with the two round rods;
the positioning module further comprises a driving assembly, and the driving assembly can drive the two rectangular rods and the two round rods to synchronously lift and simultaneously drive the rectangular rods and the corresponding round rods to move away from or towards each other.
Further, the driving assembly comprises a linear driver, a bottom plate and two rectangular blocks, two mounting cavities are arranged in the middle of the two second strip-shaped grooves, the two mounting cavities are arranged in a mirror image mode along the length direction of the first strip-shaped groove, each mounting cavity is communicated with the two second strip-shaped grooves, and the two rectangular blocks are respectively and fixedly mounted in the two mounting cavities;
each rectangular block is provided with a guide groove, the guide groove penetrates through one second strip-shaped groove to the other second strip-shaped groove, and the guide direction of the guide groove is obliquely downwards directed to the first strip-shaped groove;
sliding rods are arranged in each guide groove in a sliding manner, two ends of one sliding rod are fixedly connected with the two rectangular rods respectively, and two ends of the other sliding rod are fixedly connected with the two round rods respectively;
the linear driver is longitudinally arranged at the bottom of the mounting block, the bottom plate is arranged below the mounting block in a sliding manner along the vertical direction, an output shaft of the linear driver is fixedly connected with the bottom plate, a group of linkage assemblies are arranged between each sliding rod and the bottom plate, and the corresponding sliding rods can be driven to slide in the guide grooves through the linkage assemblies when the bottom plate longitudinally moves.
Further, each group of linkage assembly all includes layer board, slider and connecting rod, slider fixed mounting is on the bottom plate, connecting rod fixed mounting is at the central part of the slide bar that corresponds, the bottom of rectangle piece is provided with the intercommunication chamber that longitudinally extends to in the guiding groove, and the bottom of each installation chamber all is provided with dodges the groove, dodge the groove and communicate with the intercommunication chamber of corresponding position department, the connecting rod vertically passes the intercommunication chamber and dodges the below of groove to the installation piece, the end at the connecting rod is installed to the layer board, the top inboard of layer board is provided with the spout unanimous with the length direction in second bar groove, the slider slides and sets up in the spout.
Further, two guide rods are longitudinally arranged at the bottom of the mounting block, two guide holes are formed in the bottom plate, and the two guide rods are respectively in sliding fit with the two guide holes.
Further, feed mechanism is including raising frame and vibrations charging tray, be provided with the pay-off guide rail on the vibrations charging tray, vibrations charging tray sets up on raising the frame, be provided with the standing piece on the table body, fixed mounting has the mounting bracket on the standing piece, fixed mounting has laser sensor on the mounting bracket, laser sensor is used for detecting the position of resistance in first bar inslot, the pay-off guide rail extends to the outside of electric turntable and is used for carrying the resistance to corresponding first bar inslot.
Further, resistance detection mechanism includes first support, sharp slip table, finger cylinder and resistance tester, sharp slip table is installed on first support, the finger cylinder is vertically installed on the executive part of sharp slip table, all install a rubber block on two clamping parts of finger cylinder, a circuit electric shock is all installed to the bottom of every rubber block, and two circuit electric shocks all with resistance tester electric connection.
Further, the good product unloading mechanism is unanimous with bad piece unloading mechanism structural principle and all include collection box, second support, biax twin-pole cylinder and promote the piece, the second support sets up on the table body, biax twin-pole cylinder transversely installs the top at the second support, promote the piece and install the executive part department at biax twin-pole cylinder, the inboard that promotes the piece is provided with the draw-in groove that is used for holding the resistance, collection box sets up on the table body and is located the outside of four-station electric turntable.
A method for testing equipment with ultra-low resistance comprises the following steps:
s1: a plurality of resistor elements are placed in a vibration feeding disc by a worker, the plurality of resistors are sequentially conveyed into a feeding guide rail by the vibration feeding disc, and the forefront resistor moves into a first strip-shaped groove through the feeding guide rail;
s2: after the laser sensor senses the in-place signal of the resistor, the linear driver operates, the two rectangular rods and the two round rods synchronously descend, each rectangular rod and the corresponding round rod are mutually close, and finally, the two rectangular rods extend into the first strip-shaped groove to compress the resistor at the bottom of the first strip-shaped groove;
s3: the four-station electric rotating disc operates to move the resistor to the resistance value detection mechanism, the linear sliding table operates to drive the finger cylinder to move to the resistor, the two lines are electrically shocked to clamp pins at two ends of the resistor respectively through the finger cylinder operation, constant micro current is applied to two ends of the resistor in the resistor detector, a data acquisition card in the resistor detector measures voltage drop values at two ends of the resistor, the resistance value of the resistor is calculated according to the current value and the voltage drop, the measured resistance value is compared with a standard resistance value, and a detection result is output;
s4: the qualified resistor rotates to the position of the good product blanking mechanism through the four-station electric turntable, the linear driver resets, the double-shaft double-rod air cylinder operates, the qualified resistor is pushed to be separated from the first strip-shaped groove under the action of the clamping groove of the pushing block and falls into the collecting box, the unqualified resistor rotates to the position of the bad product blanking mechanism through the four-station electric turntable, and the blanking collection of the unqualified resistor is realized in the same mode.
The above at least one technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:
1, the resistor can be accurately positioned through the positioning module, so that the stability of the resistor in the running process of the four-station electric turntable is ensured, and meanwhile, when the resistance detection mechanism detects the resistance value, the detection precision of the resistance detection position can be ensured, and the accuracy of resistance value detection is avoided.
According to the application, the two rectangular rods and the two round rods are driven to synchronously descend through the operation of the driving assembly, meanwhile, each rectangular rod is close to the corresponding round rod, the round rod is finally inserted into the round groove of the rectangular rod, the right end part of the rectangular rod is moved into the second strip-shaped groove on the right side of the first strip-shaped groove, and finally, the rectangular rod is pressed against the resistor, so that the resistor is stabilized in the first strip-shaped groove, the height position of the resistor in the first strip-shaped groove is ensured, the problem that the precision of the detection position of the resistor cannot be ensured due to slight difference between the different resistors moved to the height position in the first strip-shaped groove is solved, and meanwhile, the resistor can be prevented from shaking along with the rotation of the four-station electric turntable under the action of pressing of the rectangular rod, and the position precision of the resistor is further ensured.
According to the application, through the arrangement of the linkage assembly, the longitudinal movement and the transverse movement of the rectangular rod and the round rod can be realized by the operation of only one linear driver, so that the consumption of a driving source is greatly reduced, and the production cost of equipment is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of a partial perspective structure of the present application;
FIG. 3 is a schematic perspective view of a positioning module according to the present application;
FIG. 4 is a schematic perspective view of a four-position electric turntable and mounting block of the present application;
FIG. 5 is a top view of the mounting block of the present application;
FIG. 6 is a perspective cross-sectional view of a positioning module according to the present application;
FIG. 7 is a cross-sectional view of a positioning module according to a second embodiment of the present application;
FIG. 8 is a schematic view of a partial perspective structure of a positioning module according to the present application;
FIG. 9 is a schematic perspective view of a rectangular block of the present application;
FIG. 10 is a schematic diagram showing a three-dimensional structure of a resistance detecting mechanism according to the present application;
FIG. 11 is a schematic view of a partial perspective structure of a resistance detecting mechanism according to the present application;
FIG. 12 is a schematic diagram of a perspective structure of a blanking mechanism for good products according to the present application;
FIG. 13 is a diagram of an ultra-low resistance product of the present application.
Reference numerals
1-a table body; 2-four-station electric turntables; 21-a mounting groove; 3-a feeding mechanism; 31-lifting the rack; 32-vibrating a feeding disc; 321-a feeding guide rail; 33-standing blocks; 34-mounting rack; 35-a laser sensor; 4-a resistance detection mechanism; 41-a first bracket; 42-a linear sliding table; 43-finger cylinder; 44-rubber blocks; 45-line electric shock; 5-a good product blanking mechanism; 51-a collection box; 52-a second bracket; 53-double-shaft double-rod cylinder; 54-pushing blocks; 541-a card slot; 6-a bad part blanking mechanism; 7-a positioning module; 71-mounting blocks; 711-first bar slot; 712-second bar grooves; 713-mounting cavity; 714-avoidance slots; 72-rectangular bar; 721-circular groove; 73-round bar; 8-a drive assembly; 81-linear drive; 82-a bottom plate; 821-guide holes; 83-rectangular blocks; 831-a guide slot; 832-communicating the cavity; 84-sliding bar; 85-linkage assembly; 851-pallet; 852-a chute; 853-a slider; 854-a connecting rod; 86-guide bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 13, an embodiment of the application provides an ultralow resistance test device, which comprises a table body 1 and a four-station electric turntable 2, wherein the four-station electric turntable 2 is transversely arranged on the table body 1, and a feeding mechanism 3, a resistance detection mechanism 4, a good product blanking mechanism 5 and a bad part blanking mechanism 6 are uniformly and sequentially arranged around the four-station electric turntable 2;
four stations of four-station electric turntable 2 all are provided with longitudinally extending mounting groove 21, all are provided with positioning module 7 in each mounting groove 21 and are used for accurately positioning the resistance.
During processing, the resistor is sent to one of the positioning modules 7 through the feeding mechanism 3, accurate positioning of the resistor on the four-station electric turntable 2 is completed through the positioning module 7, then the four-station electric turntable 2 operates to drive the resistor after positioning to move to the position of the resistance detection mechanism 4, the resistance of the resistor is detected through the resistance detection mechanism 4, whether the resistor meets the requirement or not can be judged, the four-station electric turntable 2 continues to operate to drive the resistor to move to the position of the good product blanking mechanism 5, if the resistor meets the requirement, the good product blanking mechanism 5 is used for blanking and collecting the resistor, if the resistor does not meet the requirement, the four-station electric turntable 2 operates to drive the resistor to move to the position of the bad product blanking mechanism 6, and the bad product blanking mechanism 6 is used for blanking and collecting the resistor, so that the processing of the resistor can be completed; according to the application, the resistor can be accurately positioned through the positioning module 7, so that the stability of the resistor in the running process of the four-station electric turntable 2 is ensured, and meanwhile, when the resistance detection mechanism 4 detects the resistance, the detection precision of the resistance detection position can be ensured, and the accuracy of resistance detection is avoided.
Specifically, each set of positioning modules 7 includes a mounting block 71, two rectangular bars 72 and two round bars 73, a first bar slot 711 is disposed at the top of the mounting block 71, the first bar slot 711 penetrates the mounting block 71 in a direction far away from the center of the four-station electric turntable 2, the first bar slot 711 is used for accommodating a resistor, two second bar slots 712 are disposed at the top of the mounting block 71, the two second bar slots 712 are disposed in parallel, each second bar slot 712 is perpendicularly crossed with the first bar slot 711, the first bar slot 711 is located at the center of the two second bar slots 712, the two rectangular bars 72 are respectively disposed in the two second bar slots 712, the length direction of each rectangular bar 72 is consistent with the length direction of the corresponding second bar slot 712, the two round bars 73 are also respectively disposed in the two second bar slots 712, the two rectangular bars 72 are located at the left side of the first bar slot 711, the two round bars 73 are located at the right side of the first bar slot 711, the two round bars 73 are coaxially disposed along the length directions 721, and the two round bars 721 are respectively disposed along the right direction of the two round bars 721;
the positioning module 7 further comprises a driving assembly 8, and the driving assembly 8 can drive the rectangular rods 72 and the corresponding round rods 73 to move away from or towards each other while driving the two rectangular rods 72 and the two round rods 73 to synchronously lift.
It should be noted that the low-resistance resistor is of a type , two ends of the low-resistance resistor are provided with a protrusion, when the resistance of the resistor is detected, the detection point of the resistor is at the two ends of the resistor and does not involve the protrusion, the resistor is conveyed into the first strip-shaped groove 711 through the feeding mechanism 3, the lower end of the resistor is just contained in the first strip-shaped groove 711, the two ends of the resistor are exposed above the first strip-shaped groove 711, then the driving assembly 8 operates to drive the two rectangular rods 72 and the two round rods 73 to synchronously descend, in the process, each rectangular rod 72 is mutually close to the corresponding round rod 73, the round rod 73 is finally inserted into the round groove 721 of the rectangular rod 72, the right end of the rectangular rod 72 is finally moved into the second strip-shaped groove 711, the rectangular rod 72 is pressed against the resistor, the resistor is stably fixed in the first strip-shaped groove 711, the situation that the resistor is at the position in the first strip-shaped groove 711 is detected, the situation that the resistor is slightly moves to the position of the different positions of the resistor can not be further guaranteed, and the precision of the resistor cannot be further guaranteed due to the fact that the rotation of the rotary turntable is prevented from being moved to the position of the resistor is slightly different from the position of the resistor.
Specifically, the driving assembly 8 includes a linear driver 81, a bottom plate 82 and two rectangular blocks 83, two mounting cavities 713 are disposed between two second bar-shaped grooves 712, the two mounting cavities 713 are disposed in mirror image along the length direction of the first bar-shaped groove 711, each mounting cavity 713 is communicated with two second bar-shaped grooves 712, and the two rectangular blocks 83 are respectively and fixedly mounted in the two mounting cavities 713;
each rectangular block 83 is provided with a guide groove 831, the guide groove 831 penetrates from one second strip-shaped groove 712 to the other second strip-shaped groove 712, and the guide direction of the guide groove 831 is obliquely downwards directed to the first strip-shaped groove 711;
a sliding rod 84 is slidably disposed in each guide groove 831, wherein two ends of one sliding rod 84 are fixedly connected with the two rectangular rods 72, respectively, and two ends of the other sliding rod 84 are fixedly connected with the two round rods 73, respectively;
the linear driver 81 is longitudinally installed at the bottom of the installation block 71, the bottom plate 82 is slidably arranged below the installation block 71 along the vertical direction, an output shaft of the linear driver 81 is fixedly connected with the bottom plate 82, a group of linkage assemblies 85 are respectively arranged between each sliding rod 84 and the bottom plate 82, and the corresponding sliding rods 84 can be driven to slide in the guide grooves 831 through the linkage assemblies 85 when the bottom plate 82 longitudinally moves.
When the linear driver 81 operates to drive the bottom plate 82 to move downwards, under the action of the two groups of linkage components 85, the two sliding rods 84 move obliquely downwards along the corresponding guide grooves 831, so that the two rectangular rods 72 and the two round rods 73 can be driven to synchronously descend together under the action of the two sliding rods 84, meanwhile, as the guide grooves 831 are obliquely arranged, each rectangular rod 72 and the corresponding round rod 73 are close to each other while descending, so that the round rods 73 are inserted into the corresponding rectangular rods 72, the rectangular rods 72 move into the first strip-shaped grooves 711, and the resistor can be pressed in the first strip-shaped grooves 711 through the descending of the two rectangular rods 72, thereby achieving the technical effect of stabilizing the resistor, avoiding the change of the detection position caused by the shaking of the resistor, and further leading the resistance value detection result to have larger error; in addition, through the arrangement of the linkage assembly 85, the longitudinal movement and the transverse movement of the rectangular rod 72 and the round rod 73 can be realized only through the operation of one linear driver 81, so that the consumption of a driving source is greatly reduced, and the production cost of equipment is reduced.
Specifically, each group of linkage assemblies 85 includes a support plate 851, a slider 853 and a connecting rod 854, the slider 853 is fixedly mounted on the bottom plate 82, the connecting rod 854 is fixedly mounted at the center of the corresponding sliding rod 84, the bottom of the rectangular block 83 is provided with a communication cavity 832 extending longitudinally into the guide groove 831, the bottom of each mounting cavity 713 is provided with an avoiding groove 714, the avoiding grooves 714 are communicated with the communication cavity 832 at the corresponding position, the connecting rod 854 longitudinally passes through the communication cavity 832 and the avoiding groove 714 to the lower part of the mounting block 71, the support plate 851 is mounted at the tail end of the connecting rod 854, the inner side of the top of the support plate 851 is provided with a sliding groove 852 consistent with the length direction of the second strip-shaped groove 712, and the slider 853 is arranged in the sliding groove 852 in a sliding way.
When the linear driver 81 drives the bottom plate 82 to descend, the supporting plates 851 in the two sets of linkage assemblies 85 are close to each other under the action of the sliding blocks 853 and the sliding grooves 852, meanwhile, the two supporting plates 851 also move downwards, meanwhile, under the action of the connecting rod 854, the two rectangular rods 72 and the two round rods 73 are synchronously descended and each rectangular rod 72 and the corresponding round rod 73 are close to each other, so that the resistor is pressed, and when the linear driver 81 is in a reset state, the rectangular rods 72 and the round rods 73 are not moved into the first strip-shaped grooves 711, so that the resistor is convenient to enter the first strip-shaped grooves 711.
Specifically, two guide rods 86 are longitudinally disposed at the bottom of the mounting block 71, two guide holes 821 are disposed on the bottom plate 82, and the two guide rods 86 are slidably engaged with the two guide holes 821, respectively.
By providing two guide rods 86 at the bottom of the mounting block 71 and providing guide holes 821 in sliding fit with the two guide rods 86 on the bottom plate 82, the bottom plate 82 can be slidably provided on the two guide rods 86 through the two guide holes 821, and then the technical effect that the bottom plate 82 is longitudinally slidably provided under the mounting block 71 is achieved.
Specifically, feed mechanism 3 is including raising frame 31 and vibrations charging tray 32, be provided with feeding rail 321 on the vibrations charging tray 32, vibrations charging tray 32 sets up on raising frame 31, be provided with upright piece 33 on the table body 1, fixed mounting has mounting bracket 34 on the upright piece 33, fixed mounting has laser sensor 35 on the mounting bracket 34, laser sensor 35 is used for detecting the position of resistance in first bar slot 711, feeding rail 321 extends to the outside of electric turntable and is used for carrying the resistance to corresponding first bar slot 711 in.
Before processing, firstly, a plurality of resistors are placed in the vibration feeding disc 32 by a worker, the resistors are sequentially arranged on the feeding guide rail 321 through the vibration feeding disc 32, one resistor is gradually pushed into the first strip-shaped groove 711 through the feeding guide rail 321, after the first resistor is completely pushed into the first strip-shaped groove 711 by the rear resistor, the rear resistor is kept in the feeding guide rail 321, meanwhile, the laser sensor 35 senses a position signal of the resistor, the laser sensor 35 transmits the resistor in-place signal to the PLC, the PLC control system controls the linear driver 81 to enable the resistors to be pressed in the corresponding first strip-shaped groove 711, the position of the resistors in the first strip-shaped groove 711 is guaranteed, each resistor can be tightly attached to the bottom of the first strip-shaped groove 711, and the detection position accuracy of the resistor is guaranteed.
Specifically, the resistance value detection mechanism 4 includes first support 41, sharp slip table 42, finger cylinder 43 and resistance tester, sharp slip table 42 is installed on first support 41, finger cylinder 43 vertically installs on the executive component of sharp slip table 42, all install a rubber piece 44 on two clamping parts of finger cylinder 43, a circuit electric shock 45 is all installed to the bottom of every rubber piece 44, two circuit electric shocks 45 all with resistance tester electric connection.
The resistance tester is in the prior art, not shown in the figure, the resistance detection principle is based on ohm's law, a certain voltage is applied to the tested resistor, the resistance value is calculated by measuring the current at two ends of the resistor, and the resistance detection process is as follows: when the resistor to be detected moves to the position of the resistance detection mechanism 4, the linear sliding table 42 drives the finger cylinder 43 to move, so that the finger cylinder 43 moves to the position of the resistor, the resistor is positioned between two clamping parts of the finger cylinder 43, the two line electric shocks 45 are just positioned at the same height of test points of the resistor, then the finger cylinder 43 operates to enable the two line electric shocks 45 to clamp pins at two ends of the resistor respectively, constant micro current is applied to two ends of the resistor in the resistor detector, a data acquisition card in the resistor detector measures voltage drop values at two ends of the resistor, the resistance of the resistor is calculated according to the current value and the voltage drop, the measured resistance is compared with the standard resistance, and a detection result is output.
Specifically, the good product unloading mechanism 5 and bad part unloading mechanism 6 structure principle are unanimous and all include collection box 51, second support 52, biax twin-pole cylinder 53 and promote the piece 54, the second support 52 sets up on the table body 1, biax twin-pole cylinder 53 transversely installs at the top of second support 52, promote the piece 54 and install the executive part department at biax twin-pole cylinder 53, the inboard of promoting the piece 54 is provided with the draw-in groove 541 that is used for holding the resistance, collection box 51 sets up on the table body 1 and is located the outside of quadruplex position electric turntable 2.
The resistor after detection at the resistance detection mechanism 4 rotates to the position of the good product blanking mechanism 5 under the drive of the four-station electric turntable 2, firstly, the linear driver 81 resets, the two rectangular rods 72 and the two round rods 73 also reset to the original positions, then the double-shaft double-rod air cylinder 53 operates to drive the pushing block 54 to move towards the resistor, the resistor enters the clamping groove 541, finally, the resistor can fall off from the first strip-shaped groove 711 and fall into the collecting box 51 under the pushing action of the clamping groove 541, thus, the blanking collection of the good product resistor is completed, the same resistor with the disqualification is moved to the position of the bad product blanking mechanism 6, and the blanking collection of the bad product resistor can be completed in the same manner.
Example 2
A method for testing equipment with ultra-low resistance comprises the following steps:
s1: the staff places a plurality of resistor elements in the vibration feeding tray 32, the vibration feeding tray 32 sequentially conveys the resistors into the feeding guide rail 321, and the forefront resistor moves into the first strip-shaped groove 711 through the feeding guide rail 321;
s2: after the laser sensor 35 senses the in-place signal of the resistor, the linear driver 81 operates, the two rectangular rods 72 and the two round rods 73 descend synchronously, each rectangular rod 72 and the corresponding round rod 73 are close to each other, and finally, the two rectangular rods 72 extend into the first strip-shaped groove 711 to press the resistor at the bottom of the first strip-shaped groove 711;
s3: the four-station electric turntable 2 operates to move the resistor to the resistance value detection mechanism 4, the linear sliding table 42 operates to drive the finger cylinder 43 to move to the resistor, the two line electric shocks 45 respectively clamp pins at two ends of the resistor through the operation of the finger cylinder 43, constant micro current is applied to two ends of the resistor in the resistor detector, a data acquisition card in the resistor detector measures voltage drop values at two ends of the resistor, the resistance value of the resistor is calculated according to the current value and the voltage drop, the measured resistance value is compared with a standard resistance value, and a detection result is output;
s4: the qualified resistor is rotated to the position of the good product blanking mechanism 5 through the four-station electric turntable 2, the linear driver 81 is reset, the double-shaft double-rod air cylinder 53 operates, the qualified resistor is pushed to be separated from the first strip-shaped groove 711 and falls into the collecting box 51 under the action of the clamping groove 541 of the pushing block 54, and the unqualified resistor is rotated to the position of the bad product blanking mechanism 6 through the four-station electric turntable 2, so that the blanking collection of the unqualified resistor is realized in the same manner.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (9)
1. The ultra-low resistance testing equipment is characterized by comprising a table body (1) and a four-station electric rotating disc (2), wherein the four-station electric rotating disc (2) is transversely arranged on the table body (1), and a feeding mechanism (3), a resistance detection mechanism (4), a good product blanking mechanism (5) and a bad part blanking mechanism (6) are uniformly and sequentially arranged around the four-station electric rotating disc (2);
four stations of four-station electric turntable (2) all are provided with longitudinally extending mounting groove (21), all are provided with positioning module (7) in every mounting groove (21) and are used for accurately positioning the resistance.
2. The ultra-low resistance test equipment according to claim 1, wherein each group of positioning modules (7) comprises a mounting block (71), two rectangular bars (72) and two round bars (73), a first bar-shaped groove (711) is arranged at the top of the mounting block (71), the first bar-shaped groove (711) penetrates through the mounting block (71) towards a direction far away from the center of the four-station electric turntable (2), the first bar-shaped groove (711) is used for accommodating a resistor, two second bar-shaped grooves (712) are further arranged at the top of the mounting block (71), the two second bar-shaped grooves (712) are arranged in parallel, each second bar-shaped groove (712) is perpendicularly crossed with the first bar-shaped groove (711), the first bar-shaped groove (711) is positioned at the center of the two second bar-shaped grooves (712), the two rectangular bars (72) are respectively arranged in the two second bar-shaped grooves (72), the length direction of each rectangular bar (72) is consistent with the length of the corresponding second bar-shaped groove (712), the two rectangular bars (72) are respectively arranged at the right sides of the two bar-shaped grooves (72), the two right bar-shaped grooves (72) are respectively arranged along the lengths of the two rectangular grooves (72), the two round rods (73) are respectively and coaxially arranged with the two round grooves (721);
the positioning module (7) further comprises a driving assembly (8), and the driving assembly (8) can drive the two rectangular rods (72) and the two round rods (73) to synchronously lift and simultaneously drive the rectangular rods (72) and the corresponding round rods (73) to move away from or towards each other.
3. The ultra-low resistance test equipment according to claim 2, wherein the driving assembly (8) comprises a linear driver (81), a bottom plate (82) and two rectangular blocks (83), two mounting cavities (713) are arranged between the two second strip-shaped grooves (712), the two mounting cavities (713) are arranged in a mirror image mode along the length direction of the first strip-shaped groove (711), each mounting cavity (713) is communicated with the two second strip-shaped grooves (712), and the two rectangular blocks (83) are fixedly mounted in the two mounting cavities (713) respectively;
a guide groove (831) is arranged on each rectangular block (83), the guide groove (831) penetrates from one second strip-shaped groove (712) to the other second strip-shaped groove (712), and the guide direction of the guide groove (831) is obliquely downwards directed to the first strip-shaped groove (711);
a sliding rod (84) is arranged in each guide groove (831) in a sliding manner, two ends of one sliding rod (84) are fixedly connected with the two rectangular rods (72) respectively, and two ends of the other sliding rod (84) are fixedly connected with the two round rods (73) respectively;
the linear driver (81) is longitudinally arranged at the bottom of the mounting block (71), the bottom plate (82) is arranged below the mounting block (71) in a sliding mode along the vertical direction, an output shaft of the linear driver (81) is fixedly connected with the bottom plate (82), a group of linkage assemblies (85) are arranged between each sliding rod (84) and the bottom plate (82), and the corresponding sliding rods (84) can be driven to slide in the guide grooves (831) through the linkage assemblies (85) when the bottom plate (82) longitudinally moves.
4. An ultra-low resistance test apparatus according to claim 3, wherein each set of linkage assemblies (85) comprises a support plate (851), a slider (853) and a connecting rod (854), the slider (853) is fixedly mounted on the bottom plate (82), the connecting rod (854) is fixedly mounted on the central part of the corresponding sliding rod (84), the bottom of the rectangular block (83) is provided with a communicating cavity (832) longitudinally extending into the guiding groove (831), the bottom of each mounting cavity (713) is provided with a avoiding groove (714), the avoiding grooves (714) are communicated with the communicating cavity (832) at the corresponding positions, the connecting rod (854) longitudinally passes through the communicating cavity (832) and the avoiding groove (714) to the lower part of the mounting block (71), the support plate (851) is mounted at the tail end of the connecting rod (854), the inner side of the top of the support plate (851) is provided with a sliding groove (852) consistent with the length direction of the second groove (712), and the slider (853) is slidingly arranged in the sliding groove (852).
5. An ultra-low resistance resistor testing device according to claim 3, wherein two guide rods (86) are longitudinally arranged at the bottom of the mounting block (71), two guide holes (821) are arranged on the bottom plate (82), and the two guide rods (86) are respectively in sliding fit with the two guide holes (821).
6. The ultra-low resistance resistor testing device according to claim 2, wherein the feeding mechanism (3) comprises a lifting frame (31) and a vibration feeding tray (32), a feeding guide rail (321) is arranged on the vibration feeding tray (32), the vibration feeding tray (32) is arranged on the lifting frame (31), a vertical block (33) is arranged on the table body (1), a mounting frame (34) is fixedly arranged on the vertical block (33), a laser sensor (35) is fixedly arranged on the mounting frame (34), the laser sensor (35) is used for detecting the position of a resistor in the first strip-shaped groove (711), and the feeding guide rail (321) extends to the outer side of the electric turntable and is used for conveying the resistor into the corresponding first strip-shaped groove (711).
7. The ultra-low resistance value resistance test equipment according to claim 1, wherein the resistance value detection mechanism (4) comprises a first bracket (41), a linear sliding table (42), a finger cylinder (43) and a resistance tester, the linear sliding table (42) is installed on the first bracket (41), the finger cylinder (43) is longitudinally installed on an executing part of the linear sliding table (42), two clamping parts of the finger cylinder (43) are respectively provided with a rubber block (44), the bottom of each rubber block (44) is respectively provided with a line electric shock (45), and the two line electric shocks (45) are respectively electrically connected with the resistance tester.
8. The ultralow resistance test equipment according to claim 1, wherein the good product blanking mechanism (5) and the bad part blanking mechanism (6) are consistent in structural principle and comprise a collecting box (51), a second support (52), a double-shaft double-rod air cylinder (53) and a pushing block (54), the second support (52) is arranged on the table body (1), the double-shaft double-rod air cylinder (53) is transversely arranged at the top of the second support (52), the pushing block (54) is arranged at the executing part of the double-shaft double-rod air cylinder (53), a clamping groove (541) for accommodating a resistor is formed in the inner side of the pushing block (54), and the collecting box (51) is arranged on the table body (1) and is located on the outer side of the four-station electric turntable (2).
9. The method of an ultra-low resistance test apparatus according to any one of claims 1-8, comprising the steps of:
s1: the staff places a plurality of resistance elements in a vibration feeding tray (32), the vibration feeding tray (32) sequentially conveys the plurality of resistors into a feeding guide rail (321), and the forefront resistor moves into a first strip-shaped groove (711) through the feeding guide rail (321);
s2: after the laser sensor (35) senses an in-place signal of the resistor, the linear driver (81) operates, the two rectangular rods (72) and the two round rods (73) synchronously descend, each rectangular rod (72) and the corresponding round rod (73) are close to each other, and finally, the two rectangular rods (72) extend into the first strip-shaped groove (711) to press the resistor at the bottom of the first strip-shaped groove (711);
s3: the four-station electric turntable (2) operates to move the resistor to the resistance detection mechanism (4), the linear sliding table (42) operates to drive the finger cylinder (43) to move to the resistor, the two line electric shocks (45) respectively clamp pins at two ends of the resistor through the operation of the finger cylinder (43), constant micro current is applied to two ends of the resistor in the resistor detector, a data acquisition card in the resistor detector measures voltage drop values at two ends of the resistor, the resistance value of the resistor is calculated according to the current value and the voltage drop, the measured resistance value is compared with a standard resistance value, and a detection result is output;
s4: qualified resistors rotate to the position of a good product blanking mechanism (5) through the four-station electric turntable (2), the linear driver (81) is reset, the double-shaft double-rod air cylinder (53) operates, the qualified resistors are pushed to be separated from the first strip-shaped groove (711) and fall into the collecting box (51) under the action of the clamping groove (541) of the pushing block (54), the unqualified resistors are the same, and the unqualified resistors rotate to the position of the bad part blanking mechanism (6) through the four-station electric turntable (2), so that the blanking collection of the unqualified resistors is realized in the same mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310992427.3A CN116764989A (en) | 2023-08-08 | 2023-08-08 | Ultra-low resistance test equipment and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310992427.3A CN116764989A (en) | 2023-08-08 | 2023-08-08 | Ultra-low resistance test equipment and method thereof |
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| CN116764989A true CN116764989A (en) | 2023-09-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117031184A (en) * | 2023-10-09 | 2023-11-10 | 深圳市高微科电子有限公司 | Chip resistor detection device |
-
2023
- 2023-08-08 CN CN202310992427.3A patent/CN116764989A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117031184A (en) * | 2023-10-09 | 2023-11-10 | 深圳市高微科电子有限公司 | Chip resistor detection device |
| CN117031184B (en) * | 2023-10-09 | 2024-02-27 | 深圳市纬盛电子有限公司 | Chip resistor detection device |
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