CN112067977A - First workpiece detection device and detection method - Google Patents
First workpiece detection device and detection method Download PDFInfo
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- CN112067977A CN112067977A CN202011047183.4A CN202011047183A CN112067977A CN 112067977 A CN112067977 A CN 112067977A CN 202011047183 A CN202011047183 A CN 202011047183A CN 112067977 A CN112067977 A CN 112067977A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a first workpiece detection device and a first workpiece detection method, wherein the first workpiece detection device comprises a positioning loading assembly, a moving assembly and a probe rotation detection assembly, the positioning loading assembly is used for loading and positioning a PCB, the moving assembly is arranged above the positioning loading assembly, and the probe rotation detection assembly is connected to the moving assembly and is used for being driven by the moving assembly to detect the PCB. Through the matching of the positioning loading assembly, the moving assembly and the probe rotation detection assembly, whether the PCB has a bad problem before production can be quickly checked, the bad problem of the product in a trial production stage can be found as early as possible, and therefore the product can be ensured to be smoothly exposed in mass production; the first workpiece detection device can improve the efficiency of detection work, prevent mistakes and errors in the detection process caused by human errors, realize short working hours in the detection process and greatly save labor and production cost.
Description
Technical Field
The invention relates to the technical field of electronic element detection equipment, in particular to a first piece detection device and a detection method implemented by the first piece detection device.
Background
The continued improvement and development of the microelectronics industry and computer technology has brought an unprecedented opportunity for the electronics manufacturing industry. The first product refers to the first product or the first few products processed after the beginning or the process change of each shift in the electronic production manufacturing process. The first inspection is to discover the factors influencing the product quality in the production process as early as possible and prevent defective products or waste products from being produced after mass production.
In the existing first-part detection program, two operators are usually required to cooperate to perform inspection, manually compare a paper product list, a CAD product position diagram and a first-part board, and simultaneously perform numerical measurement such as length of components and parts, error calculation, error judgment and recording. The whole process is long in time consumption and multiple in steps, each step is complicated, and an operator is difficult to keep a highly centralized and efficient state for a long time, so that the precision of a detection result is influenced, and further, the mass reworking of products can be possibly caused.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a first item detection apparatus.
In view of the above problems, it is an object of the present invention to provide a detection method implemented by the above first item detection apparatus.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the utility model provides a first detection device, loads the subassembly, removes subassembly and probe rotation detection subassembly including the location, the location loads the subassembly and is used for loading and fix a position the PCB board, it locates to remove the subassembly the location loads the subassembly top, probe rotation detection subassembly connect in remove the subassembly on in order to be used for by this removal subassembly drive to detect the PCB board.
As a preferable scheme of the invention, the probe rotation detection assembly comprises a rotation mechanism and a probe detection mechanism, the rotating mechanism comprises a first servo motor, a rotating bearing seat and a rotating shaft, the rotating bearing seat is longitudinally arranged on the moving assembly, the upper end and the lower end of the front surface of the rotating bearing seat respectively extend forwards to form a first supporting part, a connecting bearing is arranged on the axis of the first supporting part, the rotating shaft passes through the connecting bearing and is movably connected in the rotating bearing seat, a first fixing plate is sleeved at the lower end of the rotating shaft, the upper end of the rotating shaft extends out of the first supporting part positioned at the upper end, the probe detection mechanism is connected with the lower surface of the first fixing plate, the first servo motor is longitudinally arranged on the right side of the rotating bearing seat, the output shaft of the first servo motor is connected with the upper end of the rotating shaft through a first transmission mechanism.
As a preferable scheme of the invention, the rotating mechanism further comprises a groove-shaped photoelectric sensor, a first clamping block, an induction ring and a clamping ring, the groove-shaped photoelectric sensor and the first clamping block are sequentially arranged on the rotating bearing seat from top to bottom, the induction ring and the clamping ring are respectively arranged on the rotating shaft corresponding to the groove-shaped photoelectric sensor and the first clamping block in a ring manner, the groove-shaped photoelectric sensor is provided with a photoelectric induction groove, an induction end with a central angle smaller than 180 degrees is circumferentially arranged on the induction ring, the induction end can rotate into the photoelectric induction groove, a first limiting block is formed on the first clamping block in a protruding manner, the width of the first limiting block is gradually reduced from back to front, and a second limiting block with a central angle smaller than 180 degrees is circumferentially arranged on the clamping ring.
As a preferred scheme of the present invention, the probe detection mechanism includes a motor clamping jaw, a detection probe, a detection camera for determining screen printing, direction and polarity of components on the PCB, and a micro camera for observing the detection probe, the motor clamping jaw is connected to the first fixing plate, the detection camera is disposed at the rear side of the motor clamping jaw, the micro camera is disposed at the front side of the motor clamping jaw, the left and right sliders at the lower end of the motor clamping jaw are respectively connected to a ceramic clamping jaw, an insulation pad is connected to the ceramic clamping jaw, and the detection probe is fixed to the insulation pad.
As a preferable scheme of the invention, the detection probe comprises a connecting claw part and a needle part, wherein a positioning block is formed on the rear surface of the connecting claw part in a backward protruding manner, the positioning block is arranged in a triangular structure, the thickness of the positioning block is gradually increased from bottom to top, the upper end of the connecting claw part is connected with the insulating pad through a first fixing screw, an extending block vertically extends out of the lower end of the connecting claw part, a connecting transverse groove is transversely arranged on the connecting claw part and the extending block, a connecting vertical groove is longitudinally arranged on the extending block and is communicated with the connecting transverse groove, a first connecting screw hole transversely penetrates through the middle part of the extending block at the same vertical position of the connecting vertical groove, a connecting rib is arranged on the needle part corresponding to the connecting transverse groove and the connecting vertical groove, and a second connecting screw hole transversely penetrates through the middle part of the needle part corresponding to the first connecting screw hole, and the connecting ribs are disconnected at the horizontal extending position of the second connecting screw hole.
As a preferable scheme of the present invention, the moving assembly includes an X-axis moving mechanism and a Z-axis moving mechanism disposed on the X-axis moving mechanism, the X-axis moving mechanism includes an X-axis moving motor and a first motor slider movably connected to the X-axis moving motor, the X-axis moving motor is disposed above the positioning and loading assembly, the Z-axis moving mechanism includes a Z-axis moving motor and a second motor slider movably connected to the Z-axis moving motor, the Z-axis moving motor is connected to the first motor slider, and the probe rotation detecting assembly is connected to the second motor slider.
As a preferred scheme of the present invention, the positioning and loading assembly includes a Y-axis moving mechanism and a positioning chuck connected to the Y-axis moving mechanism, the Y-axis moving mechanism includes a Y-axis moving motor and a third motor slider movably connected to the Y-axis moving motor, the Y-axis moving motor is disposed below the moving assembly, the positioning chuck is connected to the third motor slider, a first guide rail is disposed on one side of the Y-axis moving motor in parallel, and a first slider is disposed on a lower surface of the positioning chuck corresponding to the first guide rail.
As a preferred embodiment of the present invention, a fixed clamping unit is disposed at one end of the upper surface of the positioning chuck, a second guide rail is disposed on the positioning chuck along the advancing direction of the positioning chuck, and a movable clamping unit is movably connected to the second guide rail.
As a preferred embodiment of the present invention, the fixed clamping unit includes a first clamping base, a first rocker rotatably disposed on the first clamping base, and a first clamping piece annularly disposed on the first rocker, the first clamping base is disposed on the positioning chuck, the movable clamping unit includes a second clamping base, a second rocker rotatably disposed on the second clamping base, and a second clamping piece annularly disposed on the second rocker, the second clamping base is disposed on the second guide rail, and a height of the first clamping base is equal to a height of the second clamping base.
A monitoring method implemented by the first workpiece detection device comprises the following steps:
placing the PCB on the positioning loading assembly for fixing;
starting a first piece detection device;
the PCB is moved to the lower side of the moving assembly by the positioning loading assembly, the moving assembly drives the probe rotation detection assembly to the upper side of the positioning loading assembly, and the probe rotation detection assembly is driven to detect the PCB.
The invention has the beneficial effects that: through the matching of the positioning loading assembly, the moving assembly and the probe rotation detection assembly, whether the PCB has a bad problem before production can be quickly checked, the bad problem of the product in a trial production stage can be found as early as possible, and therefore the product can be ensured to be smoothly exposed in mass production; the first workpiece detection device can improve the efficiency of detection work, prevent mistakes and errors in the detection process caused by human errors, realize short working hours in the detection process and greatly save labor and production cost.
The invention is further described with reference to the following figures and examples.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic view of an internal structure of a first workpiece detection device provided in an embodiment of the present invention;
FIG. 2 is a schematic side view of a leader detection apparatus provided in an embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of a first workpiece detection device provided in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a probe rotation detecting assembly in the first detecting device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rotating mechanism in the first workpiece detecting device provided in the embodiment of the present invention;
fig. 6 is an exploded view of a part of the structure of a probe detection mechanism in the first inspection device provided in the embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
Referring to fig. 1 to 6, in an alternative embodiment, the first workpiece detecting device includes a positioning loading assembly 1, a moving assembly 2, and a probe rotation detecting assembly 3, where the positioning loading assembly 1 is used for loading and positioning a PCB, the moving assembly 2 is disposed above the positioning loading assembly 1, and the probe rotation detecting assembly 3 is connected to the moving assembly 2 for being driven by the moving assembly 2 to detect the PCB.
In the first piece detection device of the embodiment, the first piece detection device comprises a protection case 4, a machine table 5, a display screen 6 and a controller, wherein the positioning loading component 1, the moving component 2 and the probe rotation detection component 3 are all arranged on the machine table 5, the positioning loading component 1, the moving component 2 and the probe rotation detection component 3 are surrounded and protected by the protection case 4, the display screen 6 is connected to the protection case 4 and is positioned on the front side of the probe rotation detection component 3, the controller is connected with the display screen 6 and is used for operating through the controller and displaying PCB data on the display screen 6, in addition, the probe rotation detection component 3 is also electrically connected with the controller, and the probe rotation detection component 3 further transmits the detected data to the controller and displays the data through the display screen 6;
when the first piece detection device of the embodiment is used, files such as a BOM (Bill of Material) table of the PCB are imported or input into a controller with test software; then, the PCB is placed on the positioning loading assembly 1, the position of the PCB is adjusted and fixed by the positioning loading assembly 1, and then the PCB is moved to the position below the probe rotation detection assembly 3; the probe rotation detection assembly 3 is used for measuring the electrical parameters of components of the PCB, detecting the polarity direction, silk-screen characters, part deviation, angles, wrong components, missing components and the like of the components, and listing a detection list on the display screen 6;
wherein, the detection time of the probe rotation detection assembly 3 is 1 second of the average time of each part, and the arrangement angle range of the parts is 0-360 degrees.
Referring to fig. 1 to 6, in another alternative embodiment of the first workpiece detecting device, the probe rotation detecting assembly 3 includes a rotating mechanism 30 and a probe detecting mechanism 31, the rotating mechanism 30 includes a first servo motor 300, a rotating bearing seat 301 and a rotating shaft 302, the rotating bearing seat 301 is longitudinally disposed on the moving assembly 2, a first supporting portion 303 extends forward from an upper end and a lower end of a front surface of the rotating bearing seat 301 respectively, a connecting bearing is disposed on an axial line of the first supporting portion 303, the rotating shaft 302 is movably connected to the rotating bearing seat 301 through the connecting bearing, a first fixing plate 304 is sleeved on a lower end of the rotating shaft 302, the first supporting portion 303 extends from an upper end of the rotating shaft 302, the probe detecting mechanism 31 is connected to a lower surface of the first fixing plate 304, the first servo motor 300 is longitudinally disposed on a right side of the rotating bearing seat 301, an output shaft of the first servo motor 300 is connected to an upper end of the rotary shaft 302 through a first transmission mechanism 309.
In the first part detecting device of this embodiment, the upper and lower ends of the front surface of the rotary bearing seat 301 are provided with the first supporting portions 303, the upper and lower first supporting portions 303 have the same size, and a certain distance needs to be left between the two first supporting portions 303 to accommodate the induction coil and the clamping ring, which can simplify the rotating mechanism 30 on one hand and protect the induction coil and the clamping ring between the first supporting portions 303 on the other hand; each of the first support portions 303 is provided with a connection bearing for allowing the rotation shaft 302 to smoothly rotate on the first support portion 303; the first transmission 309 is a pulley transmission, and specifically, a transmission is fitted around an output shaft of the first servo motor 300, a first transmission wheel is fitted around the output shaft of the transmission, a second transmission wheel is fitted around an upper end of the rotary shaft 302, and a transmission belt is connected between the first transmission wheel and the second transmission wheel.
Referring to fig. 1 to 6, in another optional embodiment of the first workpiece detecting device, the rotating mechanism 30 further includes a groove-shaped photoelectric sensor 305, a first clamping block 306, an induction ring 307 and a clamping ring 308, the groove-shaped photoelectric sensor 305 and the first clamping block 306 are sequentially disposed on the rotating bearing block 301 from top to bottom, the induction ring 307 and the clamping ring 308 are respectively disposed on the rotating shaft 302 in an annular manner corresponding to the groove-shaped photoelectric sensor 305 and the first clamping block 306, the groove-shaped photoelectric sensor 305 is provided with a photoelectric induction groove 305a, the induction ring 307 is circumferentially provided with an induction end 307a having a central angle smaller than 180 °, the induction end 307a can rotate into the photoelectric induction groove 305a, the first clamping block 306 protrudes forward to form a first limiting block 306a, and the width of the first limiting block 306a gradually decreases from back to front, a second limiting block 306b with a central angle smaller than 180 degrees is arranged on the clamping ring 308 along the circumferential direction.
In the first detection device of this embodiment, the sensing end 307a of the sensing coil 307 is at the same horizontal position as the photoelectric sensing slot 305a, so that the sensing end 307a of the sensing coil 307 can rotate into the photoelectric sensing slot 305a without touching the upper and lower slot surfaces of the photoelectric sensing slot 305a, and the slot-type photoelectric sensor 305 is electrically connected to the first servo motor 300, so as to determine the rotation angle of the detection probe by obtaining the position where the sensing end 307a of the sensing coil 307 enters the photoelectric sensing slot 305 a; in addition, the central angle of the sensing end 307a of the sensing coil 307 is larger than the central angle of the second limiting block 306b, and the second limiting block 306b is matched with the first limiting block 306a, so as to limit the rotating shaft 302 to continue rotating;
when the first piece detecting device of this embodiment is used, the first servo motor 300 rotates to drive the rotating shaft 302 to rotate through the first transmission mechanism 309, and further drive the probe detecting mechanism 31 to rotate, so as to control the rotation angle of the detection probe.
Referring to fig. 1 to 6, in another alternative embodiment of the first workpiece detecting device, the probe detecting mechanism 31 includes a motor clamping jaw 310, a detection probe 311, a detection camera 312 for determining silk-screen printing, direction and polarity of components on a PCB, and a micro camera 313 for observing the detection probe 311, the motor clamping jaw 310 is connected to the first fixing plate 304, the detection camera 312 is disposed at the rear side of the motor clamping jaw 310, the micro camera 313 is disposed at the front side of the motor clamping jaw 310, left and right sliders at the lower end of the motor clamping jaw 310 are respectively connected to a ceramic clamping jaw 314, an insulating pad 315 is connected to the ceramic clamping jaw 314, and the detection probe 311 is fixed to the insulating pad 315.
In the first detection device of this embodiment, the detection camera 312 and the micro-camera 313 are respectively connected to the controller and the display screen 6, so as to display the rotation state of the detection probe 311 and the implementation state of the PCB component on the display screen 6; in addition, a test circuit board is arranged on the front side of the motor clamping jaw 310 and used for detecting the electrical connection of the probe 311 so as to detect the conduction condition of the component, and the test circuit board 316 is electrically connected with the controller so as to send the detection result to the controller;
in addition, a height adjusting track 317 is arranged on the ceramic clamping jaw 314, an adjusting slider 318 is arranged on the rear surface of the insulating pad 315 corresponding to the height adjusting track 317, the adjusting slider 318 is movably connected to the height adjusting track 317, a third positioning hole is arranged on the adjusting slider 318, a first positioning hole is arranged on the front surface of the insulating pad 315, a second positioning hole is arranged on the detection probe 311 corresponding to the first positioning hole, and a positioning screw can pass through the second positioning hole, the first positioning hole and the third positioning hole and can be screwed and locked on the height adjusting track 317; the position of the insulating pad 315 on the height adjusting rail 317 can be changed by tightening the set screw, so as to change the position of the detecting probe 311; in addition, the detection probe 311 and the motor clamping jaw 310 are separated by the ceramic clamping jaw 314 and the insulating pad 315, so that a double anti-creeping effect is achieved, and the safety of the device is further improved;
when the device is used, the micro camera 313 judges the size of a component to be detected and feeds the size back to the motor clamping jaw 310, and after a signal received by the motor clamping jaw 310, the left and right sliding blocks are driven to move, so that the detection probe 311 is separated to the size of the component, and detection is performed.
Referring to fig. 1 to 6, in another alternative embodiment of the first piece detecting apparatus, the detecting probe 311 includes a connecting claw 311a and a needle 311b, a positioning block 311a1 is formed by protruding a rear surface of the connecting claw 311a backward, the positioning block 311a1 is disposed in a triangular structure, a thickness of the positioning block 311a1 gradually increases from bottom to top, an upper end of the connecting claw 311a is connected to the insulating pad 315 by a first fixing screw, an extension block 311a2 vertically extends from a lower end of the connecting claw 311a, a connecting transverse slot 311a3 is transversely disposed on the connecting claw 311a and the extension block 311a2, a connecting vertical slot 311a4 is longitudinally disposed on the extension block 311a2 and is communicated with the connecting transverse slot 311a3, a first connecting screw hole 311a5 transversely penetrates through a middle portion of the extension block 311a2 at a same vertical position as the connecting vertical slot 311a4, the needle portion 311b is provided with a connecting rib 311b1 corresponding to the connecting transverse groove 311a3 and the connecting vertical groove 311a4, a second connecting screw hole 311b2 corresponding to the first connecting screw hole 311a5 transversely penetrates the middle of the needle portion 311b, and the connecting rib 311b1 is disconnected at a position where the second connecting screw hole 311b2 horizontally extends.
In the first piece detection device of the embodiment, the connecting rib 311b1 is matched with the connecting transverse groove 311a3 and the connecting vertical groove 311a4, so that the needle part 311b is accurately positioned in the connecting claw part 311a, the needle part 311b and the connecting claw part 311a can be quickly installed in a matched manner, and the replacement and maintenance of the needle part 311b are facilitated; the positioning block 311a1 is for positioning and installing with the insulation pad 315, so as to facilitate the quick assembly of the connecting claw 311a with the insulation pad 315.
Referring to fig. 1 to 6, in another alternative embodiment of the first workpiece detecting device, the moving assembly 2 includes an X-axis moving mechanism 20 and a Z-axis moving mechanism 21 disposed on the X-axis moving mechanism 20, the X-axis moving mechanism 20 includes an X-axis moving motor and a first motor slider movably connected to the X-axis moving motor, the X-axis moving motor is disposed above the positioning and loading assembly 1, the Z-axis moving mechanism 21 includes a Z-axis moving motor and a second motor slider movably connected to the Z-axis moving motor, the Z-axis moving motor is connected to the first motor slider, and the probe rotation detecting assembly 3 is connected to the second motor slider.
Referring to fig. 1 to 6, in another alternative embodiment of the first workpiece detecting device, the positioning and loading assembly 1 includes a Y-axis moving mechanism 10 and a positioning chuck 11 connected to the Y-axis moving mechanism 10, the Y-axis moving mechanism 10 includes a Y-axis moving motor and a third motor slider movably connected to the Y-axis moving motor, the Y-axis moving motor is disposed below the moving assembly 2, the positioning chuck 11 is connected to the third motor slider, a first guide rail 12 is disposed on one side of the Y-axis moving motor in parallel, and a first slider 13 is disposed on a lower surface of the positioning chuck 11 corresponding to the first guide rail 12.
Referring to fig. 1 to 6, in another alternative embodiment of the first workpiece detecting device, a fixed clamping unit 110 is disposed at one end of the upper surface of the positioning chuck 11, a second guide rail 111 is disposed on the positioning chuck 11 along the advancing direction of the positioning chuck 11, and a movable clamping unit 112 is movably connected to the second guide rail 111.
In the first detection device of this embodiment, one end is through the fixed PCB board of fixed clamping unit, and the other end is through setting up the activity clamping unit, and adjusts the activity clamping unit according to PCB board length activity, and then promotes first detection device's adaptability and flexibility to can detect the PCB board of multiple different size types.
Referring to fig. 1 to 6, in another alternative embodiment of the initial workpiece detecting device, the fixed clamping unit 110 includes a first clamping base 110a, a first rocking bar 110b rotatably disposed on the first clamping base 110a, and a first pressing member 110c annularly disposed on the first rocking bar 110b, the first clamping base 110a is disposed on the positioning chuck 11, the movable clamping unit 112 includes a second clamping base 112a, a second rocking bar 112b rotatably disposed on the second clamping base 112a, and a second pressing member 112c annularly disposed on the second rocking bar 112b, the second clamping base 112a is disposed on the second guide rail 111, and the first clamping base 110a and the second clamping base 112a have the same height.
In the first detecting device of this embodiment, when in use, the position of the movable clamping unit 112 is adjusted according to the length of the PCB, and the first rocker 110b and the second rocker 112b are rocked to lift the first pressing member 110c and the second pressing member 112c on the first rocker 110b and the second rocker 112b, and then the PCB is placed on the first clamping base 110a and the second clamping base 112a, and the first rocker 110b and the second rocker 112b are rocked to press the first pressing member 110c and the second pressing member 112c against the PCB.
A monitoring method implemented by the first workpiece detection device comprises the following steps:
placing the PCB on the positioning loading assembly 1 for fixing;
starting a first piece detection device;
the PCB is moved to the lower side of the moving assembly 2 by the positioning loading assembly 1, the moving assembly 2 drives the probe rotation detection assembly 3 to the upper side of the positioning loading assembly 1, and the probe rotation detection assembly 3 is driven to detect the PCB.
Through the matching of the positioning loading assembly 1, the moving assembly 2 and the probe rotation detection assembly 3, whether the PCB has a bad problem before production can be quickly checked, the bad problem of the product in a trial production stage can be found as early as possible, and therefore the product can be ensured to be successfully exposed to mass production; the first workpiece detection device can improve the efficiency of detection work, prevent mistakes and errors in the detection process caused by human errors, realize short working hours in the detection process and greatly save labor and production cost.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a first detection device, its characterized in that, loads subassembly, removal subassembly and probe rotation detection subassembly including the location, the location loads the subassembly and is used for loading and location PCB board, it locates to move the subassembly the location loads the subassembly top, probe rotation detection subassembly connect in move the subassembly on in order to be used for by this removal subassembly drive to detect the PCB board.
2. A leader detection device according to claim 1, wherein said probe rotation detection assembly comprises a rotation mechanism and a probe detection mechanism, the rotating mechanism comprises a first servo motor, a rotating bearing seat and a rotating shaft, the rotating bearing seat is longitudinally arranged on the moving assembly, the upper end and the lower end of the front surface of the rotating bearing seat respectively extend forwards to form a first supporting part, a connecting bearing is arranged on the axis of the first supporting part, the rotating shaft passes through the connecting bearing and is movably connected in the rotating bearing seat, a first fixing plate is sleeved at the lower end of the rotating shaft, the upper end of the rotating shaft extends out of the first supporting part positioned at the upper end, the probe detection mechanism is connected with the lower surface of the first fixing plate, the first servo motor is longitudinally arranged on the right side of the rotating bearing seat, the output shaft of the first servo motor is connected with the upper end of the rotating shaft through a first transmission mechanism.
3. The first workpiece detection device according to claim 2, wherein the rotation mechanism further comprises a groove-shaped photoelectric sensor, a first clamping block, an induction ring and a clamping ring, the groove-shaped photoelectric sensor and the first clamping block are sequentially arranged on the rotation bearing seat from top to bottom, the induction ring and the clamping ring respectively correspond to the groove-shaped photoelectric sensor and the first clamping block and are annularly arranged on the rotation shaft, a photoelectric induction groove is formed in the groove-shaped photoelectric sensor, an induction end with a central angle smaller than 180 degrees is circumferentially arranged on the induction ring, the induction end can rotate into the photoelectric induction groove, a first limiting block is formed in the first clamping block in a protruding mode, the width of the first limiting block gradually decreases from back to front, and a second limiting block with a central angle smaller than 180 degrees is circumferentially arranged on the clamping ring.
4. A first item detection device according to claim 2, wherein the probe detection mechanism comprises a motor clamping jaw, a detection probe, a detection camera for judging screen printing, direction and polarity of components on the PCB board, and a micro camera for observing the detection probe, wherein the motor clamping jaw is connected to the first fixing plate, the detection camera is arranged at the rear side of the motor clamping jaw, the micro camera is arranged at the front side of the motor clamping jaw, the left and right sliders at the lower end of the motor clamping jaw are respectively connected with a ceramic clamping jaw, an insulating pad is connected to the ceramic clamping jaw, and the detection probe is fixed on the insulating pad.
5. A head piece detection device according to claim 4, wherein the detection probe comprises a connection claw part and a needle part, a positioning block is formed on the rear surface of the connection claw part in a protruding manner, the positioning block is arranged in a triangular structure, the thickness of the positioning block is gradually increased from bottom to top, the upper end of the connection claw part is connected with the insulating pad through a first fixing screw, an extension block vertically extends from the lower end of the connection claw part, a connection transverse groove is transversely formed in the connection claw part and the extension block, a connection vertical groove is longitudinally formed in the extension block and is communicated with the connection transverse groove, a first connection screw hole transversely penetrates through the middle of the extension block at the same vertical position of the connection vertical groove, a connection rib is arranged on the needle part corresponding to the connection transverse groove and the connection vertical groove, and a second connection screw hole transversely penetrates through the middle of the needle part corresponding to the first connection screw hole, and the connecting ribs are disconnected at the horizontal extending position of the second connecting screw hole.
6. A first item detection device according to claim 1, wherein the movement assembly comprises an X-axis movement mechanism and a Z-axis movement mechanism disposed on the X-axis movement mechanism, the X-axis movement mechanism comprises an X-axis movement motor and a first motor slider movably connected to the X-axis movement motor, the X-axis movement motor is disposed above the positioning and loading assembly, the Z-axis movement mechanism comprises a Z-axis movement motor and a second motor slider movably connected to the Z-axis movement motor, the Z-axis movement motor is connected to the first motor slider, and the probe rotation detection assembly is connected to the second motor slider.
7. A first item detection device according to claim 1, wherein the positioning and loading assembly comprises a Y-axis moving mechanism and a positioning chuck connected to the Y-axis moving mechanism, the Y-axis moving mechanism comprises a Y-axis moving motor and a third motor slider movably connected to the Y-axis moving motor, the Y-axis moving motor is disposed below the moving assembly, the positioning chuck is connected to the third motor slider, a first guide rail is disposed on one side of the Y-axis moving motor in parallel, and a first slider is disposed on a lower surface of the positioning chuck corresponding to the first guide rail.
8. A first workpiece detection device according to claim 7, wherein a fixed clamping unit is arranged at one end of the upper surface of the positioning chuck, a second guide rail is arranged on the positioning chuck along the advancing direction of the positioning chuck, and a movable clamping unit is movably connected to the second guide rail.
9. A head piece detecting device according to claim 8, wherein the fixed clamping unit comprises a first clamping base, a first rocker rotatably disposed on the first clamping base, and a first pressing member looped around the first rocker, the first clamping base is disposed on the positioning chuck, the movable clamping unit comprises a second clamping base, a second rocker rotatably disposed on the second clamping base, and a second pressing member looped around the second rocker, the second clamping base is disposed on the second guide rail, and the first clamping base is as high as the second clamping base.
10. A method of monitoring as performed by the leader detection device of claim 1, comprising the steps of:
placing the PCB on the positioning loading assembly for fixing;
starting a first piece detection device;
the PCB is moved to the lower side of the moving assembly by the positioning loading assembly, the moving assembly drives the probe rotation detection assembly to the upper side of the positioning loading assembly, and the probe rotation detection assembly is driven to detect the PCB.
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| WO2023231171A1 (en) * | 2022-05-30 | 2023-12-07 | 上海望友信息科技有限公司 | Pcba first article inspection method and system, electronic device and storage medium |
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| CN112067977B (en) | 2023-03-31 |
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