CN116698878B - Lead frame plating layer detection equipment and detection method thereof - Google Patents
Lead frame plating layer detection equipment and detection method thereof Download PDFInfo
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- CN116698878B CN116698878B CN202310606562.XA CN202310606562A CN116698878B CN 116698878 B CN116698878 B CN 116698878B CN 202310606562 A CN202310606562 A CN 202310606562A CN 116698878 B CN116698878 B CN 116698878B
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- 238000001514 detection method Methods 0.000 title claims abstract description 85
- 238000007747 plating Methods 0.000 title claims description 15
- 210000001503 joint Anatomy 0.000 claims abstract description 15
- 230000000007 visual effect Effects 0.000 claims description 40
- 239000004744 fabric Substances 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 15
- 238000005461 lubrication Methods 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
- G01N2021/95661—Inspecting patterns on the surface of objects for PCB's for leads, e.g. position, curvature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to the field of lead frame production, in particular to lead frame coating detection equipment and a detection method thereof, wherein the lead frame coating detection equipment comprises a guide part, an auxiliary device is slidably arranged at the top of the rear end of the guide part, a butt joint part is slidably arranged at the front end of the guide part, a handle is fixedly arranged at the front end of the butt joint part, the butt joint part comprises a clamping device and an extension device, the clamping device is symmetrically and rotatably arranged in the extension device, the clamping device comprises clamping strakes, a bottom strip, a U-shaped connecting frame, a first spring, a supporting cavity, a positioning frame and a supporting shaft, the supporting shaft is fixedly arranged at the center of the left side of the positioning frame, the bottom strip is symmetrically and fixedly arranged on the inner side of the positioning frame, the supporting cavity is fixedly arranged at the front end and the rear end of the positioning frame, and the first spring is fixedly arranged in the supporting cavity at equal intervals. Through the setting of interfacing part and direction part, realized can carry out two-sided accurate detection with lead frame and prevent the purpose that detects the head attached impurity.
Description
Technical Field
The invention relates to the technical field of lead frame production, in particular to lead frame plating layer detection equipment and a lead frame plating layer detection method.
Background
The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electric connection between an internal circuit lead-out end of the chip and an external lead by means of bonding materials and forming an electric loop, plays a role of a bridge connected with an external lead, and most of semiconductor integrated blocks need to use the lead frame, thus being an important basic material in the electronic information industry.
The lead frame detection equipment is equipment for detecting the appearance of various semiconductor materials, and the lead frame is subjected to horizontal scanning detection through the visual detection equipment inside the detection equipment, so that the defective area and the oxidized area on the lead frame can be screened respectively, and the defective product phenomenon of the lead frame can be reduced.
At present, lead frame check out test set on the market is when using, because the lead frame detects the back again after detecting, and when the lead frame overturns once more, often can appear not in situ phenomenon, consequently, detect on the lead frame again, still need carry out the work of counterpoint again, simultaneously, current check out test set's detection head is when not needing to use, owing to lack covering device, cause can adhere to impurity on the detection head, can appear detecting inaccurate phenomenon when leading to detecting again, consequently need an equipment to improve it to above-mentioned problem.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides lead frame plating layer detection equipment and a lead frame plating layer detection method.
The technical scheme adopted for solving the technical problems is as follows: the lead frame plating layer detection equipment comprises a guide component, an auxiliary device is slidably arranged at the top of the rear end of the guide component, a butt joint component is slidably arranged at the front end of the guide component, a handle is fixedly arranged at the front end of the butt joint component, the butt joint component comprises a clamping device and an extending device, the clamping device is symmetrically and rotatably arranged in the extending device, the clamping device comprises clamping strakes, bottom strips, a U-shaped connecting frame, a first spring, a supporting cavity, a positioning frame and a supporting shaft, the supporting shaft is fixedly arranged at the center of the left side of the positioning frame, the bottom strips are symmetrically and fixedly arranged on the inner side of the positioning frame, the supporting cavity is fixedly arranged at the front end and the rear end of the positioning frame, the first spring is fixedly arranged in the supporting cavity at equal intervals, the U-shaped connecting frame is slidably and fixedly arranged on the top end of the first spring, and the clamping strakes are fixedly arranged on the bottom end of the U-shaped connecting frame, which is far away from the supporting cavity.
Specifically, the extension device comprises a supporting arm, a base plate, a base frame and racks, wherein the base plate is fixedly arranged at the inner center and on two sides of the base frame, the supporting arm is rotatably arranged on two sides of the inner part of the base frame, and the racks are symmetrically and fixedly arranged at the bottom end of the base frame.
Specifically, the guide part comprises a covering device and a transmission device, wherein the covering device is fixedly arranged at the rear end of the top of the transmission device.
Specifically, the covering device comprises a side frame, a motor, cloth strips, a connecting shaft, a top frame, a rear support, a rear plate and auxiliary wheels, wherein the rear support is fixedly arranged at the top of the rear end of the rear plate, the auxiliary wheels are rotatably arranged at the tops of the two ends of the rear plate, the top frame is fixedly arranged at the top end of the front side of the rear plate, the motor is fixedly arranged on two sides of the top frame away from the rear support, the connecting shaft is fixedly arranged between the two motors, the cloth strips are fixedly connected to the connecting shaft, and the side frame is fixedly connected to the bottom end of the cloth strips.
Specifically, transmission includes button switch, guide bar, connecting rope, take-up pulley, supporting base and gear, button switch and guide bar symmetrical fixed mounting are inside supporting base's top, just button switch is located the outside of guide bar, the gear rotates the front end both sides of installing at supporting base, the take-up pulley runs through supporting base fixed mounting at the outside center of gear, connecting rope fixed connection is on the outer ring of take-up pulley.
Specifically, auxiliary device includes vision detection head, limiting plate, hydraulic cylinder, support roof, synchronizing bar, second spring and picture peg, hydraulic cylinder fixed mounting is in the top center of supporting the roof, vision detection head fixed mounting is in the bottom of hydraulic cylinder, limiting plate symmetry slip runs through support roof fixed mounting on the top of vision detection head, second spring symmetry fixed mounting is inside the rear end of supporting the roof, the picture peg slip runs through the rear end of supporting the roof and is connected with the bottom of second spring, the synchronizing bar runs through the rear end top fixed mounting of supporting the roof on the top of picture peg.
Specifically, handle fixed mounting is in the front end bottom of bed frame, the back end bottom of bed frame sliding sleeve connects on the guide bar at the inboard center that the back end rotation is installed in the support arm is relative, rack and gear engagement, back plate fixed mounting is at the back end top of support base, the one end fixed connection that the reel was kept away from to the connecting rope is on the rear end of strake, the slip grafting of support roof is on the inboard of roof-rack.
Specifically, the front end of support arm rotates and installs on the inside front end of bed frame, the rear end of rack aligns with the button switch level, fixed mounting draw-in key on the relative one end of sideframe, just offered the draw-in groove with draw-in key looks adaptation on the outside bottom of roof-rack, the guide way has been offered on the inboard top of roof-rack, fixed mounting has the guide way on the both sides of supporting the roof, the butt joint groove has been offered to the inside butt joint groove that has in top of rear bracket, the limiting plate back of the body is from the surface mark of hydraulic cylinder has the scale mark, there is electric connection motor and button switch.
Specifically, the supporting base includes lubricating arrangement, lubricating arrangement symmetry fixed mounting is on supporting base's front end, lubricating arrangement includes spacing diaphragm, third spring, sponge piece, front bezel, communication pipeline, shutoff head, location cavity, threaded rod and holds the oil pocket, the front bezel is slided and is pegged graft inside the rear end of location cavity, threaded rod screw thread runs through the location cavity and rotates the front end bottom of installing at the front bezel, sponge piece fixed mounting is on the rear end of front bezel, hold the front end top at the front bezel of oil pocket fixed mounting, communication pipeline fixed connection holds between oil pocket and the sponge piece, third spring fixed mounting is holding the inside top of oil pocket, it is at the bottom of third spring to seal the head fixed connection, spacing diaphragm fixed mounting is closing the top of head.
The detection method of the lead frame plating detection equipment comprises the following steps:
s1, firstly, pulling a base frame to the forefront end, so that the base frame is misplaced with the bottom end of a covering device, then pulling a U-shaped connecting frame upwards, placing a lead frame on the top end of a bottom strip, then releasing the U-shaped connecting frame, and driving a clamping edge strip to limit the lead frame on the top end of the bottom strip through the elasticity of a first spring;
s2, pushing the base frame to the limit position towards the inner bottom end of the covering device, so that the lead frame is vertically aligned with the visual detection head, and simultaneously, when the base frame moves to the limit position towards the rear end, the rack can be driven to contact with the button switch, so that the motor can wind the cloth strip, the bottom end of the visual detection head can be exposed, and the detection work of the lead frame is facilitated;
and S3, finally, after the lead frame is detected, pulling the base frame to the front end, and when the rack is contacted with the gear, pulling the cloth strip to the rear end to reset through the connecting rope, so that the visual detection head can be covered, dust is prevented from adhering to the surface of the visual detection head, meanwhile, the supporting arm can be rotated to the front end, the clamping device is suspended integrally, the positioning frame is rotated for 180 degrees, the positioning frame can drive the back surface of the lead frame to be upwards, and the double-sided detection work of the lead frame can be realized by repeating the steps.
The invention has the beneficial effects that:
according to the invention, through the combined arrangement of the clamping device and the extending device, the clamping edge strip is driven to be always in a downward extrusion state by the first spring in the clamping device, so that continuous fixed-point limiting work can be carried out on the lead frame, and after the lead frame is detected, the supporting arm can be turned over to the front end, so that the positioning frame can drive the lead frame to carry out accurate guiding and turning work, and thus the work of accurate detection of two sides of the lead frame can be conveniently carried out.
According to the invention, through the combined arrangement of the transmission device and the covering device, when the base frame moves towards the inside of the supporting base, the rack is contacted with the button switch, so that the cloth strip is rolled up from the bottom end of the visual detection head, the cloth strip can be prevented from covering the bottom end of the visual detection head, the accurate guiding detection of the visual detection head is convenient to operate, and when the base frame moves towards the front end, the cloth strip can be indirectly driven to move to the bottom end of the visual detection head through the connecting rope, so that the bottom end of the visual detection head can be covered in a fitting way, external dust is prevented from being attached to the surface of the visual detection head, and the accuracy of the visual detection head in detection is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a front perspective view of a main body of the present invention;
FIG. 2 is a schematic view of a front perspective view of a docking assembly according to the present invention;
FIG. 3 is a schematic view of a clamping device of the present invention in partial cutaway;
FIG. 4 is a front perspective view of the extension device of the present invention;
FIG. 5 is a front perspective view of the guide member of the present invention;
FIG. 6 is a rear perspective view of the cover device of the present invention;
FIG. 7 is a schematic view of a front perspective of the transmission of the present invention;
FIG. 8 is a schematic view of an auxiliary device of the present invention in partial cutaway;
FIG. 9 is a front perspective view of a second embodiment of a support base according to the present invention;
fig. 10 is a schematic view of a lubrication apparatus according to the present invention in cross-section.
In the figure: 1-docking part, 2-guiding part, 3-auxiliary device, 4-handle, 5-clamping device, 6-extension device, 7-clamping side bar, 8-bottom bar, 9-U-shaped connecting frame, 10-first spring, 11-supporting cavity, 12-positioning frame, 13-supporting shaft, 14-supporting arm, 15-backing plate, 16-base frame, 17-rack, 18-covering device, 19-transmission device, 20-side frame, 21-motor, 22-cloth bar, 23-connecting shaft, 24-top frame, 25-rear bracket, 26-rear plate, 27-auxiliary wheel, 28-button switch, 29-guiding rod, 30-connecting rope, 31-winding wheel, 32-supporting base, 33-gear, 34-visual inspection head, 35-limiting plate, 36-hydraulic cylinder, 37-supporting top plate, 38-synchronizing rod, 39-second spring, 40-inserting plate, 41-lubricating device, 42-limiting cross plate, 43-third spring, 44-sponge sheet, 45-front plate, 46-connecting pipe, 47-closing cavity, 48-sealing cavity, 50-sealing cavity.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 3, the lead frame plating detection device and the detection method thereof of the invention comprise a guide part 2, an auxiliary device 3 is slidably arranged at the top of the rear end of the guide part 2, a butting part 1 is slidably arranged at the front end of the guide part 2, a handle 4 is fixedly arranged at the front end of the butting part 1, the butting part 1 comprises a clamping device 5 and an extending device 6, the clamping device 5 is symmetrically and rotatably arranged in the extending device 6, the clamping device 5 comprises a clamping edge 7, a bottom strip 8, a U-shaped connecting frame 9, a first spring 10, a supporting cavity 11, a positioning frame 12 and a supporting shaft 13, the supporting shaft 13 is fixedly arranged at the center of the left side of the positioning frame 12, the bottom strip 8 is symmetrically and fixedly arranged on the inner side of the positioning frame 12, the supporting cavity 11 is fixedly arranged at the front end and the rear end of the positioning frame 12, the first spring 10 is fixedly arranged in the supporting cavity 11 at equal distance, the U-shaped connecting frame 9 is fixedly arranged at the top end of the first spring 10 in a penetrating the supporting cavity 11, and the clamping edge 7 is fixedly arranged at the bottom end of the supporting cavity 9, which is far from the supporting cavity 11.
As shown in fig. 4, the extension device 6 includes a support arm 14, a pad 15, a base frame 16 and racks 17, the pad 15 is fixedly installed at the inner center and both sides of the base frame 16, the support arm 14 is rotatably installed at both sides of the inner portion of the base frame 16, the racks 17 are symmetrically and fixedly installed at the bottom end of the base frame 16, and round holes adapted to the guide bars 29 are formed through the bottom of the rear end of the base frame 16, so that the base frame 16 can be allowed to slide on the guide bars 29.
As shown in fig. 5, the guiding component 2 comprises a covering device 18 and a transmission device 19, wherein the covering device 18 is fixedly arranged at the top rear end of the transmission device 19, and can support the covering device 18 to perform fixed-point resetting.
Referring to fig. 6, the covering device 18 includes a side frame 20, a motor 21, a cloth 22, a connecting shaft 23, a top frame 24, a rear frame 25, a rear plate 26 and an auxiliary wheel 27, wherein the rear frame 25 is fixedly installed at the top of the rear end of the rear plate 26, the auxiliary wheel 27 is rotatably installed at the top of two ends of the rear plate 26, the top frame 24 is fixedly installed at the top of the front side of the rear plate 26, the motor 21 is fixedly installed at two sides of the top frame 24 far away from the rear frame 25, the connecting shaft 23 is fixedly installed between the two motors 21, the cloth 22 is fixedly connected to the connecting shaft 23, the side frame 20 is fixedly connected to the bottom end of the cloth 22, and the bottom end surface of the top frame 24 is attached through the cloth 22, so that external dust and impurities can be prevented from contacting the surface of the visual detection head 34.
As shown in fig. 7, the transmission device 19 includes a push button switch 28, a guide rod 29, a connecting rope 30, a winding wheel 31, a support base 32 and a gear 33, wherein the push button switch 28 and the guide rod 29 are symmetrically and fixedly installed inside the top end of the support base 32, the push button switch 28 is located on the outer side of the guide rod 29, the gear 33 is rotatably installed on two sides of the front end of the support base 32, the winding wheel 31 penetrates through the support base 32 and is fixedly installed on the center of the outer side of the gear 33, the connecting rope 30 is fixedly connected on the outer ring of the winding wheel 31, and the connecting rope 30 passes through the gear 33 in a reciprocating manner through the rack 17, so that the winding wheel 31 can be driven to rotate clockwise or anticlockwise, and the connecting rope 30 is respectively released or pulled.
As shown in fig. 8, the auxiliary device 3 includes a visual detection head 34, a limiting plate 35, a hydraulic cylinder 36, a supporting top plate 37, a synchronizing rod 38, a second spring 39 and a plug plate 40, wherein the hydraulic cylinder 36 is fixedly installed at the top center of the supporting top plate 37, the visual detection head 34 is fixedly installed at the bottom end of the hydraulic cylinder 36, the limiting plate 35 symmetrically slides through the supporting top plate 37 to be fixedly installed at the top end of the visual detection head 34, the second spring 39 is symmetrically and fixedly installed inside the rear end of the supporting top plate 37, the plug plate 40 slidably extends through the rear end of the supporting top plate 37 to be connected with the bottom end of the second spring 39, and the synchronizing rod 38 extends through the rear end top of the supporting top plate 37 to be fixedly installed at the top end of the plug plate 40 and slidably installed at the top end of the top frame 24 through the supporting top plate 37, so that the visual detection head 34 can be conveniently detached for maintenance.
The handle 4 is fixedly arranged at the bottom of the front end of the base frame 16, the supporting shaft 13 is rotatably arranged at the center of the opposite inner sides of the supporting arm 14, the bottom of the rear end of the base frame 16 is sleeved on the guide rod 29 in a sliding manner, the rack 17 is meshed with the gear 33, the rear plate 26 is fixedly arranged at the top of the rear end of the supporting base 32, one end of the connecting rope 30, which is far away from the winding wheel 31, is fixedly connected to the rear end of the side frame 20, the supporting top plate 37 is slidably inserted on the inner side of the top frame 24, and the supporting top plate 37 can be ensured to move outwards along a straight line.
The front end of support arm 14 rotates and installs on the inside front end of bed frame 16, the rear end of rack 17 aligns with button switch 28 level, fixed mounting draw-in key on the relative one end of sideframe 20, and offered the draw-in groove with draw-in key looks adaptation on the outside bottom of roof-rack 24, the guide way has been offered on the inboard top of roof-rack 24, fixed mounting has the guide way on the both sides of support roof 37, the butt joint groove has been offered to the inside top of rear bracket 25, limiting plate 35 deviates from the surface mark of hydraulic cylinder 36 has the scale mark, motor 21 and button switch 28 have electric connection, when rack 17 and button switch 28 contact, can trigger motor 21, drive cloth 22 rolling and coil.
The detection method of the lead frame plating detection equipment comprises the following steps:
s1, firstly, pulling a base frame 16 to the forefront end, so that the base frame 16 is misplaced with the bottom end of a covering device 18, then pulling a U-shaped connecting frame 9 upwards, placing a lead frame on the top end of a bottom strip 8, then releasing the U-shaped connecting frame 9, and driving a clamping edge strip 7 to limit the lead frame on the top end of the bottom strip 8 through the elasticity of a first spring 10;
s2, pushing the base frame 16 to the limit position towards the inner bottom end of the covering device 18, so that the lead frame is vertically aligned with the visual detection head 34, and simultaneously, when the base frame 16 moves to the limit position towards the rear end, the rack 17 can be driven to contact with the button switch 28, so that the motor 21 can wind the cloth 22, the bottom end of the visual detection head 34 can be exposed, and the detection work of the lead frame is facilitated;
and S3, finally, after the lead frame is detected, pulling the base frame 16 to the front end, and when the rack 17 is contacted with the gear 33, pulling the cloth strip 22 to the rear end through the connecting rope 30 to reset, thereby covering the visual detection head 34 and preventing dust from adhering to the surface of the visual detection head 34, simultaneously, rotating the supporting arm 14 to the front end, leading the clamping device 5 to be wholly suspended, rotating the positioning frame 12 by 180 degrees, leading the positioning frame 12 to drive the back surface of the lead frame to be upwards, and repeating the steps to realize double-sided detection work of the lead frame.
The working principle of example 1 is: when in use, the U-shaped connecting frame 9 is pulled upwards, the lead frame is placed on the top end of the bottom strip 8, the U-shaped connecting frame 9 is released, the clamping edge strip 7 is driven to move downwards rapidly by the elasticity of the first spring 10 until the clamping edge strip 7 limits the lead frame on the top end of the bottom strip 8, meanwhile, a plastic sheet is fixedly connected to the opposite end surfaces of the clamping edge strip 7 and the bottom strip 8, so that the lead frame is prevented from being worn by the clamping edge strip 7 and the bottom strip 8, after the lead frame is limited, the base frame 16 can be pushed towards the inside of the supporting base 32 until the base frame 16 is vertically aligned with the visual detection head 34, the detection of the lead frame is facilitated, meanwhile, the base frame 16 can be supported to move towards the inside of the supporting base 32 along a straight line through the sliding sleeve of the bottom of the rear end of the base frame 16 on the guide rod 29, when the base frame 16 moves to the limit position, the rack 17 can be driven to pass through the gear 33, so that the connecting rope 30 can be released, meanwhile, when the rack 17 moves to the limit position, the button switch 28 can be triggered, the button switch 28 is electrically connected with the motor 21, so that the motor 21 can be started to drive the connecting shaft 23 to wind the cloth strip 22, at the moment, when the cloth strip 22 is wound, the clamping key at the opposite end of the side frame 20 can be driven to slide in the clamping groove at the outer side of the top frame 24, thereby ensuring that the cloth strip 22 moves along a straight line, at the moment, after the winding of the cloth strip 22 is finished, the surface of the visual detection head 34 can be exposed, the visual detection head 34 is started again, the surface detection work of the lead frame can be performed, when the lead frame is detected, the base frame 16 can be pulled towards the front end again, and when the base frame 16 moves towards the front end, the rack 17 can be driven to pass through the top end of the gear 33 again, the gear 33 is rotated, when the gear 33 rotates, the winding wheel 31 is driven to drag the connecting rope 30 to drive the side frame 20 to move to the rear end, so that the cloth strip 22 covers the bottom end of the visual detection head 34, when the base frame 16 moves to the limit position to drive the side frame 20 to move to the rear end, so that the bottom end of the visual detection head 34 can be completely covered, external dust and impurities are prevented from adhering to the surface of the visual detection head 34, the detection accuracy of the visual detection head 34 is improved, after that, when the base frame 16 is completely misplaced with the visual detection head 34, the support arm 14 is turned upwards again, the front end of the support arm 14 is rotatably arranged at the inner front end of the base frame 16, so that the support arm 14 can drive the whole positioning frame 12 to be upwards rotated, meanwhile, the positioning frame 12 can be turned over, so that the support shaft 13 can be rotated 180 DEG as the axis, the supporting arm 14 is rotated downwards until the bottom end of the positioning frame 12 is flush with the top end surface of the backing plate 15 again, so that the lead frame can be supported to be in a horizontal state, meanwhile, the steps are repeated, the lead frame can be moved to the inside of the bottom end of the visual detection head 34 again, so that the work of detecting the two sides of the lead frame can be performed, when the device is used, the hydraulic cylinder 36 can be started to drive the visual detection head 34 to move downwards, the distance between the visual detection head 34 and the lead frame can be shortened, the detection accuracy of the visual detection head 34 is improved, meanwhile, the limiting plate 35 can be driven to slide in the supporting top plate 37 during movement through the visual detection head 34, the visual detection head 34 can be ensured to move along a straight line, and the outer side surface of the limiting plate 35 is marked with scale marks, so that the movement distance of the visual detection head 34 can be controlled conveniently and accurately by a user, the supporting top plate 37 is integrally and slidably inserted on the inner top end of the top frame 24, so that the visual inspection head 34 can be conveniently detached for internal maintenance, meanwhile, when the supporting top plate 37 is installed, the supporting top plate 37 slides in the guide grooves on the two sides of the inner part of the top frame 24 through the guide keys on the two sides of the supporting top plate 37, so that the installation accuracy of the supporting top plate 37 can be improved, meanwhile, when the supporting top plate 37 is installed, the synchronous rod 38 can be pulled upwards, the top ends of the inserting plate 40 and the rear support 25 are misplaced, after the supporting top plate 37 is installed in place, the inserting plate 40 can be driven to be vertically aligned with the butt joint groove in the top end of the rear support 25, at the moment, the synchronous rod 38 can be released, the inserting plate 40 can be driven to move downwards to the inner part of the butt joint groove through the elasticity of the second spring 39, and the supporting top plate 37 can be limited and positioned again.
Example 2
On the basis of embodiment 1, as shown in fig. 9 and 10, the supporting base 32 comprises a lubrication device 41, the lubrication device 41 is symmetrically and fixedly mounted on the front end of the supporting base 32, the lubrication device 41 comprises a limit transverse plate 42, a third spring 43, a sponge sheet 44, a front plate 45, a communication pipe 46, a closing plug 47, a positioning cavity 48, a threaded rod 49 and an oil storage cavity 50, the front plate 45 is slidably inserted into the rear end of the positioning cavity 48, the threaded rod 49 penetrates through the positioning cavity 48 to be rotatably mounted at the bottom of the front end of the front plate 45, the sponge sheet 44 is fixedly mounted on the rear end of the front plate 45, the oil storage cavity 50 is fixedly mounted at the top of the front end of the front plate 45, the communication pipe 46 is fixedly connected between the oil storage cavity 50 and the sponge sheet 44, the third spring 43 is fixedly mounted on the inner top of the oil storage cavity 50, the closing plug 47 is fixedly connected to the bottom end of the third spring 43, and the limit plate 42 is fixedly mounted on the top of the closing plug 47.
In this embodiment, when lubrication is needed on the surface of the gear 33, external lubrication oil can be poured into the oil storage cavity 50, then the threaded rod 49 is screwed to rotate, so that the front plate 45 can drive the sponge sheet 44 to move towards the rear end, the sponge sheet 44 is aligned with the gear 33 vertically, so that the contact accuracy of the sponge sheet 44 and the gear 33 can be improved, meanwhile, when the front plate 45 moves, the oil storage cavity 50 can be driven to move, when the oil storage cavity 50 drives the limit diaphragm 42 to move out of the positioning cavity 48, the elasticity of the third spring 43 can drive the limit diaphragm 42 and the sealing plug 47 to move upwards rapidly, so that the third spring 43 moves out of the top end of the communication pipeline 46, at this time, the lubrication oil in the oil storage cavity 50 can flow into the sponge sheet 44 through the communication pipeline 46, so that the sponge sheet 44 can be wetted, when the sponge sheet 44 contacts the gear 33, the lubricating oil can be smeared on the surface of the gear 33 to finish the lubrication maintenance work of the gear 33, after that, the threaded rod 49 can be screwed and rotated again to drive the front plate 45 to move towards the inside of the positioning cavity 48, when the limiting diaphragm 42 moves to be in contact with the top end of the inside of the positioning cavity 48, the front end surface of the limiting diaphragm 42 is arranged in a 45-degree slope, so that the limiting diaphragm 42 moves downwards when in contact with the top end of the positioning cavity 48, the sealing block 47 can move again to be inserted into the top end of the communication pipeline 46, excessive lubricating oil in the oil storage cavity 50 can be prevented from flowing into the sponge sheet 44, the lubricating oil is prevented from losing, a transverse frame is fixedly arranged on the bottom end of the front plate 45 while the front plate 45 moves, and the transverse frame is inserted into the bottom end of the positioning cavity 48 in a sliding manner, so that the front plate 45 can be ensured to move along a straight line, and (5) completing the work.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Lead frame cladding material check out test set, including guide member (2), auxiliary device (3) are installed at the rear end top slidable mounting of guide member (2), slidable mounting has docking component (1) on the front end of guide member (2), the front end fixed mounting of docking component (1) has handle (4), its characterized in that: the butt joint part (1) comprises a clamping device (5) and an extending device (6), the clamping device (5) is symmetrically and rotationally arranged in the extending device (6), the clamping device (5) comprises a clamping edge strip (7), a bottom strip (8), a U-shaped connecting frame (9), a first spring (10), a supporting cavity (11), a positioning frame (12) and a supporting shaft (13), the supporting shaft (13) is fixedly arranged at the left center of the positioning frame (12), the bottom strip (8) is symmetrically and fixedly arranged on the inner side of the positioning frame (12), the supporting cavity (11) is fixedly arranged at the front end and the rear end of the positioning frame (12), the first spring (10) is fixedly arranged in the supporting cavity (11) at equal intervals, the U-shaped connecting frame (9) is fixedly arranged on the top end of the first spring (10) in a sliding mode, and the clamping edge strip (7) is fixedly arranged on the bottom end of the U-shaped connecting frame (9) deviating from the supporting cavity (11);
the extension device (6) comprises a supporting arm (14), a base plate (15), a base frame (16) and racks (17), wherein the base plate (15) is fixedly arranged at the inner center and on two sides of the base frame (16), the supporting arm (14) is rotatably arranged on two inner sides of the base frame (16), and the racks (17) are symmetrically and fixedly arranged at the bottom end of the base frame (16);
the guide part (2) comprises a covering device (18) and a transmission device (19), wherein the covering device (18) is fixedly arranged at the rear end of the top of the transmission device (19);
the covering device (18) comprises a side frame (20), a motor (21), cloth strips (22), a connecting shaft (23), a top frame (24), a rear support (25), a rear plate (26) and auxiliary wheels (27), wherein the rear support (25) is fixedly arranged at the top of the rear end of the rear plate (26), the auxiliary wheels (27) are rotatably arranged at the tops of the two ends of the rear plate (26), the top frame (24) is fixedly arranged at the top end of the front side of the rear plate (26), the motor (21) is fixedly arranged on two sides, far away from the rear support (25), of the top frame (24), the connecting shaft (23) is fixedly arranged between the two motors (21), the cloth strips (22) are fixedly connected to the connecting shaft (23), and the side frame (20) is fixedly connected to the bottom end of the cloth strips (22);
the transmission device (19) comprises a button switch (28), a guide rod (29), a connecting rope (30), a winding wheel (31), a supporting base (32) and a gear (33), wherein the button switch (28) and the guide rod (29) are symmetrically and fixedly arranged inside the top end of the supporting base (32), the button switch (28) is positioned on the outer side of the guide rod (29), the gear (33) is rotatably arranged on two sides of the front end of the supporting base (32), the winding wheel (31) penetrates through the supporting base (32) and is fixedly arranged in the center of the outer side of the gear (33), and the connecting rope (30) is fixedly connected to the outer ring of the winding wheel (31);
auxiliary device (3) are including vision detection head (34), limiting plate (35), hydraulic cylinder (36), supporting roof (37), synchronizing bar (38), second spring (39) and picture peg (40), hydraulic cylinder (36) fixed mounting is in the top center of supporting roof (37), vision detection head (34) fixed mounting is in the bottom of hydraulic cylinder (36), limiting plate (35) symmetry slip run through supporting roof (37) fixed mounting on the top of vision detection head (34), second spring (39) symmetry fixed mounting is inside the rear end of supporting roof (37), picture peg (40) slip run through the rear end of supporting roof (37) and the bottom connection of second spring (39), synchronizing bar (38) run through the rear end top fixed mounting of supporting roof (37) on the top of picture peg (40).
2. The lead frame plating detection apparatus according to claim 1, wherein: the handle (4) fixed mounting is in the front end bottom of bed frame (16), back shaft (13) rotate and install in the inboard center that support arm (14) are relative, the rear end bottom of bed frame (16) slides and cup joints on guide bar (29), rack (17) and gear (33) meshing, back plate (26) fixed mounting is at the rear end top of supporting base (32), the one end fixed connection that reel (31) was kept away from to connecting rope (30) is on the rear end of frame (20), support roof (37) slip grafting is on the inboard of roof-rack (24).
3. The lead frame plating detection apparatus according to claim 2, wherein: the front end of support arm (14) rotates and installs on the inside front end of bed frame (16), the rear end of rack (17) aligns with button switch (28) level, fixed mounting draw-in key on the one end that sideframe (20) are relative, just offered the draw-in groove with draw-in key looks adaptation on the outside bottom of roof-rack (24), the guide way has been offered on the inboard top of roof-rack (24), fixed mounting has the guide way on the both sides of supporting roof (37), the butt joint groove has been offered to the inside butt joint groove that has in top of rear bracket (25), the surface mark that limiting plate (35) deviate from hydraulic cylinder (36) has the scale mark, electric connection exists with button switch (28) motor (21).
4. A lead frame plating inspection apparatus according to claim 3, wherein: the supporting base (32) comprises a lubricating device (41), the lubricating device (41) is symmetrically and fixedly installed on the front end of the supporting base (32), the lubricating device (41) comprises a limiting transverse plate (42), a third spring (43), a sponge sheet (44), a front plate (45), a communication pipe (46), a sealing plug (47), a positioning cavity (48), a threaded rod (49) and an oil storage cavity (50), the front plate (45) is slidably inserted into the rear end of the positioning cavity (48), the threaded rod (49) penetrates through the positioning cavity (48) to be rotatably installed at the bottom of the front end of the front plate (45), the sponge sheet (44) is fixedly installed on the rear end of the front plate (45), the oil storage cavity (50) is fixedly installed at the top of the front end of the front plate (45), the communication pipe (46) is fixedly connected between the oil storage cavity (50) and the sponge sheet (44), the third spring (43) is fixedly installed at the inner top end of the oil storage cavity (50), and the sealing plug (47) is fixedly connected to the bottom end of the sealing plug (43) at the sealing plug (42).
5. A method for detecting a plating layer of a lead frame using the plating layer detecting apparatus for a lead frame according to any one of claims 1 to 4, characterized by comprising the steps of:
s1, firstly, pulling a base frame (16) to the forefront end, causing dislocation of the base frame (16) and the bottom end of a covering device (18), then pulling a U-shaped connecting frame (9) upwards, placing a lead frame on the top end of a bottom strip (8), then releasing the U-shaped connecting frame (9), and driving a clamping edge strip (7) to limit the lead frame on the top end of the bottom strip (8) through the elasticity of a first spring (10);
s2, pushing the base frame (16) to the inner bottom end of the covering device (18) to a limit position, so that the lead frame is vertically aligned with the visual detection head (34), and simultaneously, when the base frame (16) moves to the limit position to the rear end, the rack (17) can be driven to contact with the button switch (28), so that the motor (21) can wind the cloth strip (22), the bottom end of the visual detection head (34) can be exposed, and the detection work of the lead frame is facilitated;
s3, finally, after the lead frame is detected, the base frame (16) is pulled towards the front end, so that when the rack (17) is contacted with the gear (33), the connecting rope (30) pulls the cloth strip (22) to reset towards the rear end, thereby covering the visual detection head (34) to prevent dust from adhering to the surface of the visual detection head (34), simultaneously, the supporting arm (14) can be rotated towards the front end, the clamping device (5) is suspended integrally, the positioning frame (12) is rotated for 180 degrees, the positioning frame (12) can drive the back surface of the lead frame to be upwards, and double-sided detection of the lead frame can be realized by repeating the steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310606562.XA CN116698878B (en) | 2023-05-26 | 2023-05-26 | Lead frame plating layer detection equipment and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310606562.XA CN116698878B (en) | 2023-05-26 | 2023-05-26 | Lead frame plating layer detection equipment and detection method thereof |
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| CN116698878A CN116698878A (en) | 2023-09-05 |
| CN116698878B true CN116698878B (en) | 2024-02-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255447U (en) * | 2011-08-29 | 2012-05-30 | 江阴康强电子有限公司 | Automatic detection device for lead frame |
| CN104051404A (en) * | 2014-07-08 | 2014-09-17 | 沈健 | Partially silvered lead frame |
| CN204045577U (en) * | 2014-09-03 | 2014-12-24 | 泰州华龙电子有限公司 | A kind of lead frame for integrated circuit |
| CN214672595U (en) * | 2021-05-14 | 2021-11-09 | 南通华达微电子集团股份有限公司 | Multi-point bonding structure of lead frame |
| CN115841953A (en) * | 2022-11-30 | 2023-03-24 | 南京通富微科技有限公司 | Manufacturing device and manufacturing method for power electronic component packaging substrate |
-
2023
- 2023-05-26 CN CN202310606562.XA patent/CN116698878B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255447U (en) * | 2011-08-29 | 2012-05-30 | 江阴康强电子有限公司 | Automatic detection device for lead frame |
| CN104051404A (en) * | 2014-07-08 | 2014-09-17 | 沈健 | Partially silvered lead frame |
| CN204045577U (en) * | 2014-09-03 | 2014-12-24 | 泰州华龙电子有限公司 | A kind of lead frame for integrated circuit |
| CN214672595U (en) * | 2021-05-14 | 2021-11-09 | 南通华达微电子集团股份有限公司 | Multi-point bonding structure of lead frame |
| CN115841953A (en) * | 2022-11-30 | 2023-03-24 | 南京通富微科技有限公司 | Manufacturing device and manufacturing method for power electronic component packaging substrate |
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