CN117168652B - Copper foil current temperature rise detection equipment for printed circuit board - Google Patents
Copper foil current temperature rise detection equipment for printed circuit board Download PDFInfo
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- CN117168652B CN117168652B CN202311437677.7A CN202311437677A CN117168652B CN 117168652 B CN117168652 B CN 117168652B CN 202311437677 A CN202311437677 A CN 202311437677A CN 117168652 B CN117168652 B CN 117168652B
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- 238000001514 detection method Methods 0.000 title claims abstract description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000011889 copper foil Substances 0.000 title claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 126
- 230000005540 biological transmission Effects 0.000 claims description 63
- 239000003550 marker Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000033001 locomotion Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 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
- 239000002699 waste material Substances 0.000 description 1
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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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Abstract
The invention relates to the technical field of workpiece detection, in particular to a copper foil current temperature rise detection device for a printed circuit board, which comprises a detection cabinet, wherein a moving mechanism is arranged at the bottom in the detection cabinet, a placing mechanism is arranged on the moving mechanism, two pushing mechanisms are arranged on the two sides of the placing mechanism respectively, an XY platform is arranged at the top in the detection cabinet, a temperature detector is arranged on the XY platform, a plurality of marking mechanisms are movably arranged on the placing mechanism, two power-on modules are arranged on the two sides in the detection cabinet respectively, and the movable marking mechanisms are arranged below the placing mechanism, so that the position marks of the strip copper foil required to be marked are more accurate.
Description
Technical Field
The invention relates to the technical field of workpiece detection, in particular to a copper foil current temperature rise detection device for a printed circuit board.
Background
The part that printed wiring board can be contacted when the during operation, if the too high temperature of circuit board probably can cause the injury to people's health, the inside too high temperature of equipment also can influence product performance moreover, leads to even insulating grade to descend or increase the instability of product machinery, consequently in order to guarantee that the product can safe and stable work, it is very necessary to carry out the temperature rise test to the product.
The copper foil current temperature rise detection device of the printed circuit board disclosed in the Chinese patent application CN115291086A comprises a storage box and a detection cabinet fixedly arranged at the top of the storage box, wherein a support rod is arranged at the bottom of the detection cabinet; be equipped with temperature detection subassembly on the bracing piece, temperature detection subassembly is including first slip subassembly, second slip subassembly, support, mount, temperature detector, wherein: the first sliding component is arranged on the supporting rod, the second sliding component is in sliding connection with the first sliding component, the bracket is arranged on the second sliding component in a sliding way, the bracket is fixedly arranged with the fixing frame, and the temperature detector is arranged on the fixing frame; the temperature detector detects the temperature of the copper foil strip below; the measuring unit, the electrifying unit and the marking unit can avoid the waste of the copper foil strips through the detection and marking.
The prior art solutions described above have the following drawbacks: the plurality of marking units in the equipment are all fixed, and the required marking positions of the copper foil can not be accurately marked, so that deviation between marking positions and the actually required marking positions is caused, and the marking effect is affected.
Disclosure of Invention
To the problem that prior art exists, provide a printed wiring board copper foil electric current temperature rise check out test set, this application is through being provided with mobilizable marking mechanism in the below of placing the mechanism for the position mark to the required mark of bar copper foil is more accurate.
The invention provides a copper foil current temperature rise detection device for a printed circuit board, which aims to solve the problems in the prior art and comprises a detection cabinet, a moving mechanism, a placing mechanism, a pressing mechanism, an XY platform, a temperature detector, a marking mechanism and an electrifying module, wherein the moving mechanism, the placing mechanism, the pressing mechanism, the XY platform, the temperature detector, the marking mechanism and the electrifying module are arranged in the detection cabinet; the moving mechanism is arranged at the bottom in the detection cabinet; the placement mechanism is arranged on the moving mechanism; the two pushing mechanisms are respectively arranged at two sides of the placing mechanism; the XY platform is arranged at the top in the detection cabinet; the temperature detector is arranged on the XY platform, and the detection end of the temperature detector is arranged towards the direction of the placement surface of the placement mechanism; the marking mechanism is provided with a plurality of movable positioning mechanisms; the power-on modules are two, and the two power-on modules are respectively arranged on two sides of the inside of the detection cabinet.
Preferably, the moving mechanism comprises a sliding rail, a sliding block, a connecting block, a first bearing seat, a first transmission screw rod, a mounting frame and a first motor; the slide rail is provided with two bottoms symmetrically arranged in the detection cabinet, each slide rail is provided with two sliding blocks, and the top of each sliding block is fixedly connected with the bottom of the placement mechanism; the connecting block is arranged at the bottom of the placement mechanism, is positioned between the two sliding rails and is provided with a first threaded hole; the first bearing seat is arranged at the bottom in the detection cabinet and is positioned between the two sliding rails; the first transmission screw rod is rotatably arranged in the first bearing seat, and one end of the first transmission screw rod, which is far away from the first bearing seat, passes through a first threaded hole formed in the connecting block and extends out of the detection cabinet; the mounting frame is arranged outside the detection cabinet and is positioned at one end of the first transmission screw rod, which is far away from the bearing seat; the first motor is arranged on the mounting frame, and the output end of the first motor is rotationally connected with one end of the first transmission screw extending out of the detection cabinet.
Preferably, the placing mechanism comprises a transverse plate, a connecting frame, a limit box, an inserting block and a self-locking assembly; the transverse plate is horizontally arranged on the moving end of the moving mechanism, the bottom of the transverse plate is fixedly connected with the moving end of the moving mechanism, and a plurality of moving grooves for the marking mechanism to horizontally move are formed in the top surface of the transverse plate; the connecting frame is arranged above the transverse plate, the connecting frame is fixed above the transverse plate through the connecting plate, and a plurality of mounting grooves which are linearly arranged are formed in two sides of the top of the connecting frame; the number of the inserting blocks is the same as that of the mounting grooves and corresponds to that of the mounting grooves one by one, the inserting blocks are inserted into the mounting grooves, the top parts of the inserting blocks extend out of the mounting grooves and extend upwards, and the side surfaces of one ends of the inserting blocks, which are positioned in the mounting grooves, are provided with abutting grooves; the number of the limit boxes is the same as that of the plug blocks and corresponds to the number of the plug blocks one by one, the limit boxes are arranged at one ends of the plug blocks extending out of the mounting grooves, and the bottoms of the limit boxes are fixedly connected with one ends of the plug blocks; the self-locking components are two, the two self-locking components are respectively arranged on two sides of the connecting frame, and the self-locking ends of the self-locking components penetrate through the mounting grooves formed in the connecting frame and are in clamping connection with the abutting grooves formed in the inserting blocks.
Preferably, the self-locking assembly comprises a limiting ring, an ejector rod, an abutting ring, a spring and a linkage plate; the number of the limiting rings is the same as that of the mounting grooves and corresponds to that of the mounting grooves one by one, the limiting rings are arranged outside the connecting frame, one side of the connecting frame, which is close to the limiting rings, is provided with through holes corresponding to the limiting rings, and the through holes are communicated with the mounting grooves; the number of the ejector rods is the same as that of the limiting rings and corresponds to that of the limiting rings one by one, the ejector rods are inserted in through holes formed in the connecting frame, one end of each ejector rod penetrates through each limiting ring and extends outwards, and the other end of each ejector rod extends towards the inside of the corresponding mounting groove and is abutted with the corresponding abutting groove formed in the corresponding inserting block; the number of the abutting rings is the same as that of the ejector rods and corresponds to that of the ejector rods one by one, the abutting rings are arranged in through holes formed in the connecting frame, and the abutting rings are sleeved in the middle of the ejector rods; the number of the springs is the same as that of the ejector rods and corresponds to that of the ejector rods one by one, the springs are sleeved outside the ejector rods, and the springs are positioned between the abutting rings and the limiting rings; the linkage plate has two, and two linkage plates set up in the both sides of link respectively, and the one end swing joint of corresponding mounting groove is extended with a plurality of ejector pins that are located same one side to the linkage plate.
Preferably, the pressing mechanism comprises a supporting rod, a cross rod, a pressing cylinder, a pressing plate and a rubber column; the two support rods are respectively arranged at the two sides of the top of the connecting frame and are positioned at the same side of the connecting frame; the cross bars are horizontally arranged above the two support rods, and the two sides of the bottom of each cross bar are fixedly connected with the tops of the corresponding support rods respectively; the lower pressing cylinder is arranged in the middle of the top of the cross rod, and the output end of the lower pressing cylinder passes through the cross rod to be arranged downwards; the lower pressing plate is arranged below the cross rod, and the middle part of the top of the lower pressing plate is fixedly connected with the output end of the lower pressing cylinder; the quantity of the rubber columns is the same as and corresponds to the quantity of the limit boxes on one side of the connecting frame, and the rubber columns are arranged on one side of the lower pressure plate far away from the lower pressure cylinder in a linear manner.
Preferably, the marking mechanism comprises a driving piece, a moving block, a telescopic rod and a marking pen; the number of the moving blocks is the same as and corresponds to the number of the moving grooves formed in the transverse plate, the moving blocks can be arranged in the corresponding moving grooves in a sliding manner, second threaded holes are formed in the moving blocks, the number of the driving pieces is the same as and corresponds to the number of the moving blocks in a one-to-one manner, the driving pieces are arranged on one side of the outer part of the transverse plate, and the output ends of the driving pieces are in linkage arrangement with the corresponding moving blocks; the telescopic rod is vertically arranged at the top of the moving block; the marker pen is arranged at the telescopic end of the telescopic rod.
Preferably, the driving piece comprises a second motor, a rotating seat and a second transmission screw rod; the second motor is arranged at one side of the outer part of the transverse plate, and the second electric output end is arranged towards the direction of the moving block; the rotating seat is arranged at one side of the transverse plate, which is far away from the second motor; the second transmission screw rod is arranged at the output end of the second motor, and one end of the second transmission screw rod, which is far away from the second motor, penetrates through a second threaded hole formed in the moving block and extends into the rotating seat.
Preferably, the XY platform comprises a mounting plate, a first sliding component, a second sliding component and a fixing plate; the mounting plate is arranged at the top in the detection cabinet; the first sliding component is arranged on the fixed plate; the second sliding component is arranged at the sliding end of the first sliding component; the fixed plate sets up the slip end at the second slip subassembly, and the one end and the temperature detector fixed connection that the second slip subassembly was kept away from to the fixed plate.
Preferably, the first sliding component comprises a first mounting seat, a first servo motor, a third transmission screw rod, a first limiting plate, a first guide rod and a first sliding block; the first mounting seat is arranged on the mounting plate; the first servo motor is arranged on the first mounting seat; the first limiting plate is arranged on one side of the mounting plate, which is far away from the first mounting seat; the first guide rod is arranged between the first mounting seat and the first limiting plate, one end of the first guide rod is fixedly connected with the first mounting seat, and the other end of the first guide rod is fixedly connected with the first limiting plate. A first sliding block is arranged on the first guide rod in a sliding manner; the third transmission lead screw is arranged at the output end of the first servo motor, one end, far away from the first servo motor, of the third transmission lead screw penetrates through the first sliding block to extend to the first limiting plate and is in rotary connection with the first limiting plate, and the third transmission lead screw is in threaded connection with the first sliding block.
Preferably, the second sliding component comprises a second mounting seat, a second servo motor, a fourth transmission screw rod, a second limiting plate, a second guide rod and a second sliding block; the second mounting seat is arranged on the first sliding component; the second servo motor is arranged on the second mounting seat; the second limiting plate is arranged at one side of the top part in the detection cabinet, which is far away from the second mounting seat; the second guide rod is horizontally arranged between the second mounting seat and the second limiting plate, one end of the second guide rod is fixedly connected with the second mounting seat, the other end of the second guide rod is fixedly connected with the second limiting plate, and a second sliding block is arranged on the second guide rod; one end of a fourth transmission screw rod is arranged at the output end of the second servo motor, the other end of the fourth transmission screw rod penetrates through the second sliding block to extend to the second limiting plate, the fourth transmission screw rod is in rotary connection with the second limiting plate, and the fourth transmission screw rod is in threaded connection with the second sliding block.
Compared with the prior art, the invention has the beneficial effects that: this application is through being provided with marking mechanism in the below of placing the mechanism, and the detection personnel of being convenient for carries out secondary operation to the bar copper foil according to the mark department on the bar copper foil, through marking mechanism's removal for the position mark to the required mark of bar copper foil is more accurate.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a device for detecting the current temperature rise of a copper foil of a printed wiring board.
Fig. 2 is a schematic diagram of a part of a circuit board copper foil current temperature rise detection device.
Fig. 3 is a schematic diagram of a part of a circuit board copper foil current temperature rise detection device.
Fig. 4 is a partial enlarged view at a in fig. 3 a of the present application.
Fig. 5 is a schematic diagram of a part of a circuit board copper foil current temperature rise detection device.
Fig. 6 is a schematic structural diagram of the XY stage of the present application.
Fig. 7 is a schematic diagram of a part of a circuit board copper foil current temperature rise detection device.
Fig. 8 is a schematic view of a part of the placement mechanism of the present application.
Fig. 9 is a schematic diagram of a part of the placement mechanism of the present application.
Fig. 10 is a schematic diagram of a part of a circuit board copper foil current temperature rise detection device.
Fig. 11 is a schematic view of a part of the structure of the marking mechanism of the present application.
Fig. 12 is a schematic structural view of the pressing mechanism of the present application.
Fig. 13 is a schematic view of a portion of the structure of the self-locking assembly of the present application.
The reference numerals in the figures are: 1-a detection cabinet; 2-a moving mechanism; 21-a slide rail; 22-slide block; 23-connecting blocks; 231-a first threaded hole; 24-a first bearing seat; 25-a first transmission screw rod; 26-mounting frame; 27-a first motor; 3-a placement mechanism; 31-a cross plate; 311-a mobile tank; 32-connecting plates; 33-a connecting frame; 331-mounting slots; 332-through holes; 34-a limit box; 35-inserting blocks; 351—abutment groove; 36-a self-locking assembly; 361-a stop collar; 362-ejector rod; 363-abutment ring; 364-spring; 365-linkage plate; 4-a pressing mechanism; 41-supporting rods; 42-cross bar; 43-pressing down the cylinder; 44-a lower press plate; 45-rubber column; 5-a marking mechanism; 51-a driving member; 511-a second motor; 512-rotating base; 513-a second transmission screw; 52-moving the block; 521-a second threaded hole; 53-telescoping rod; 54-marker pen; a 6-XY stage; 61-mounting plates; 62-a first slide assembly; 621-a first mount; 622-a first servomotor; 623-a third drive screw; 624-a first limiting plate; 625-first guide bar; 626-a first slider; 63-a second slide assembly; 631-a second mount; 632-a second servo motor; 633-fourth drive screw; 634-a second limiting plate; 635-a second guide rod; 636-a second slider; 64-fixing plates; 7-a temperature detector; 8-power-on module.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 13, a device for detecting the current temperature rise of copper foil of a printed circuit board comprises a detection cabinet 1, a moving mechanism 2, a placing mechanism 3, a pressing mechanism 4, an XY platform 6, a temperature detector 7, a marking mechanism 5 and an energizing module 8, wherein the moving mechanism 2, the placing mechanism 3, the pressing mechanism 4, the XY platform 6, the marking mechanism 5 and the energizing module 8 are arranged in the detection cabinet 1; the moving mechanism 2 is arranged at the bottom of the detection cabinet 1; the placement mechanism 3 is arranged on the moving mechanism 2; the number of the pushing mechanisms 4 is two, and the two pushing mechanisms 4 are respectively arranged at two sides of the placing mechanism 3; the XY platform 6 is arranged at the top in the detection cabinet 1; the temperature detector 7 is arranged on the XY platform 6, and the detection end of the temperature detector 7 is arranged towards the direction of the placement surface of the placement mechanism 3; the marking mechanism 5 is provided with a plurality of movable positioning mechanisms 3; the two energizing modules 8 are provided, and the two energizing modules 8 are respectively arranged at two sides of the interior of the detection cabinet 1.
When the strip-shaped copper foil is required to be detected, the moving mechanism 2 drives the placing mechanism 3 to move to the loading and unloading area of the detecting cabinet 1, then a detector sequentially places a plurality of strip-shaped copper foils on the placing end of the placing mechanism 3, after the plurality of strip-shaped copper foils are placed, the two ends of the plurality of strip-shaped copper foils are temporarily fixed on the placing end of the placing mechanism 3 through the pressing mechanism 4, the moving mechanism 2 is further started to move the placing mechanism 3 to the detecting area of the detecting cabinet 1, then the two ends of the plurality of strip-shaped copper foils are electrified through the electrifying module 8, the surface temperature of the strip-shaped copper foils starts to rise through the continuous electrifying of the electrifying module 8, at the moment, the XY platform 6 is started to drive the temperature detector 7 to sequentially detect the surfaces of the plurality of strip-shaped copper foils on the placing mechanism 3, after the temperature detector 7 detects the surfaces of single strip-shaped copper foil, when the strip-shaped copper foil is found to be unqualified, the corresponding marking mechanism 5 under the placement mechanism 3 can mark the corresponding temperature exceeding position of the strip-shaped copper foil, so that a detector can conveniently and quickly identify the temperature exceeding position on the strip-shaped copper foil, as the marking mechanism 5 is movably arranged on the placement mechanism 3, the marking mechanism 5 can move below the corresponding strip-shaped copper foil, further, the marking mechanism 5 can more accurately mark the temperature exceeding position of the strip-shaped copper foil, the condition that deviation or incapability of marking occurs in the marking process is avoided, the marking effect of the marking mechanism 5 is improved, after all the strip-shaped copper foils on the placement mechanism 3 are detected, the placement mechanism 3 is driven to move from the detection area of the detection cabinet 1 to the feeding and discharging area again through the moving mechanism 2, so that the detector can conveniently take materials and feed materials again, meanwhile, the placing mechanism 3 and the electrifying module 8 can be disconnected, so that the strip copper foil on the placing mechanism 3 is not electrified any more, and the electric shock phenomenon of a detector during feeding and discharging is prevented, and the device has certain safety.
Referring to fig. 1, 2, 3 and 4, the moving mechanism 2 includes a sliding rail 21, a sliding block 22, a connecting block 23, a first bearing seat 24, a first transmission screw 25, a mounting frame 26 and a first motor 27; the slide rails 21 are provided with two bottoms symmetrically arranged in the detection cabinet 1, each slide rail 21 is provided with two sliding blocks 22, and the top of each sliding block 22 is fixedly connected with the bottom of the placement mechanism 3; the connecting block 23 is arranged at the bottom of the placement mechanism 3, the connecting block 23 is positioned between the two sliding rails 21, and a first threaded hole 231 is formed in the connecting block 23; the first bearing seat 24 is arranged at the bottom in the detection cabinet 1, and the first bearing seat 24 is positioned between the two sliding rails 21; the first transmission screw rod 25 is rotatably arranged in the first bearing seat 24, and one end of the first transmission screw rod 25, which is far away from the first bearing seat 24, passes through a first threaded hole 231 formed in the connecting block 23 and extends out of the detection cabinet 1; the mounting frame 26 is arranged outside the detection cabinet 1, and the mounting frame 26 is positioned at one end of the first transmission screw 25 away from the first bearing seat 24; the first motor 27 is arranged on the mounting frame 26, and the output end of the first motor 27 is rotatably connected with one end of the first transmission screw 25 extending out of the detection cabinet 1.
Through the setting of a plurality of sliders 22 for placing mechanism 3 can slide along the slip direction of two slide rails 21, through starting first motor 27, drive first transmission lead screw 25 and rotate on first bearing frame 24, when first transmission lead screw 25 pivoted, because the first screw hole 231 that connecting block 23 offered meshes with first transmission lead screw 25, and then can drive connecting block 23 and remove in step, when connecting block 23 removes, can drive the slider 22 of placing mechanism 3 bottom and slide on slide rail 21, provide power for the removal of placing mechanism 3, after the bar copper foil in placing mechanism 3 is put, drive first transmission lead screw 25 through starting first motor 27 and rotate, make the connecting block 23 of placing mechanism 3 bottom remove to the detection region of detecting cabinet 1, and then drive the setting of placing mechanism 3 to the detection region of detecting cabinet 1 on slide rail 21, through the setting of slide rail 21 and slider 22, make the removal in-process of placing mechanism 3 more relaxed, after the detection region of detecting cabinet 1 is accomplished to the bar copper foil in placing mechanism 3, again through first motor 27 and first transmission lead screw 25, make placing mechanism 3 place on detecting cabinet 21 and detect the detection region of detecting 1 and the unloading personnel on the unloading area of being convenient for.
Referring to fig. 7, 8 and 9, the placement mechanism 3 includes a cross plate 31, a connecting plate 32, a connecting frame 33, a limit box 34, an insert block 35 and a self-locking assembly 36; the transverse plate 31 is horizontally arranged on the moving end of the moving mechanism 2, the bottom of the transverse plate 31 is fixedly connected with the moving end of the moving mechanism 2, and a plurality of moving grooves 311 for horizontally moving the marking mechanism 5 are formed in the top surface of the transverse plate 31; the connecting frame 33 is arranged above the transverse plate 31, the connecting frame 33 is fixed above the transverse plate 31 through the connecting plate 32, and a plurality of mounting grooves 331 which are linearly arranged are formed on two sides of the top of the connecting frame 33; the number of the inserting blocks 35 is the same as that of the installing grooves 331 and corresponds to that of the installing grooves 331 one by one, the inserting blocks 35 are inserted into the installing grooves 331, the tops of the inserting blocks 35 extend out of the installing grooves 331 to extend upwards, and the side surface of one end of each inserting block 35, which is positioned in each installing groove 331, is provided with an abutting groove 351; the number of the limit boxes 34 is the same as that of the plug blocks 35 and corresponds to that of the plug blocks 35 one by one, the limit boxes 34 are arranged on one end of the plug blocks 35 extending out of the mounting groove 331, and the bottoms of the limit boxes 34 are fixedly connected with one end of the plug blocks 35; the self-locking component 36 has two self-locking ends respectively disposed at two sides of the connecting frame 33, and the self-locking ends of the self-locking component 36 pass through the mounting groove 331 formed in the connecting frame 33 and are in clamping connection with the abutting groove 351 formed in the insert block 35.
Through the setting of a plurality of connecting plates 32 for link 33 can fix on diaphragm 31, the setting of a plurality of mounting grooves 331 of seting up on through link 33, make the inserted block 35 that corresponds can imbed in the mounting groove 331, and then make the spacing box 34 that corresponds install on link 33, the cooperation through the butt groove 351 that self-locking component 36 and inserted block 35 were seted up, can be temporary fix inserted block 35 in mounting groove 331, and then prevent that spacing box 34 on the inserted block 35 from coming off in the mounting groove 331, the setting of a plurality of spacing boxes 34 that set up through link 33 top both sides, be convenient for detect personnel place a plurality of bar copper foils on link 33, simultaneously through spacing box 34 can prevent that the bar copper foil from appearing long and short when placing on link 33, thereby influence the detection of copper foil, when need change spacing box 34 to the bar of different models, only need loosen self-locking component 36 and temporarily fix the inserted block 35 in mounting groove 331, then staff grasp spacing box 34 outwards pulls the spacing box 34 and make the spacing box 35 that can move the corresponding copper foil 35 in the corresponding groove 331 and can make the corresponding groove 311 in the corresponding groove 31 of the new groove 311 of the corresponding copper foil 35, the bottom of setting up in the corresponding groove 35 can be more convenient for removing the spacing box 35, the bottom of the corresponding copper foil 35 is realized.
Referring to fig. 9, 12 and 13, the self-locking assembly 36 includes a limiting ring 361, a push rod 362, an abutment ring 363, a spring 364 and a linkage plate 365; the number of the limiting rings 361 is the same as that of the mounting grooves 331 and corresponds to one another, the limiting rings 361 are arranged outside the connecting frame 33, one side of the connecting frame 33, which is close to the limiting rings 361, is provided with through holes 332 corresponding to the limiting rings 361, and the through holes 332 are communicated with the mounting grooves 331; the number of the ejector rods 362 is the same as and corresponds to the number of the limiting rings 361 one by one, the ejector rods 362 are inserted into the through holes 332 formed in the connecting frame 33, one end of each ejector rod 362 penetrates through each limiting ring 361 and extends outwards, and the other end of each ejector rod 362 extends into the mounting groove 331 and abuts against the abutting groove 351 formed in the insertion block 35; the number of the abutting rings 363 is the same as that of the ejector rods 362 and corresponds to that of the ejector rods 362 one by one, the abutting rings 363 are arranged in the through holes 332 formed in the connecting frame 33, and the abutting rings 363 are sleeved in the middle of the ejector rods 362; the number of the springs 364 is the same as that of the ejector rods 362 and corresponds to that of the ejector rods 362 one by one, the springs 364 are sleeved outside the ejector rods 362, and the springs 364 are positioned between the abutting rings 363 and the limiting rings 361; the linkage plate 365 has two sides respectively disposed on the connecting frame 33, and the linkage plate 365 is movably connected to one end of the plurality of push rods 362 disposed on the same side and extending out of the corresponding mounting groove 331.
Through the cooperation of spacing ring 361 and butt ring 363, can make ejector pin 362 be restricted in the through-hole 332 that link 33 offered, when the spacing box 34 on the plug 35 that needs to be changed alone, only need pull ejector pin 362 rather than plug 35 correspondence, when making ejector pin 362 be arranged in the butt groove 351 that one end in mounting groove 331 and plug 35 offered come out, can take out plug 35 from mounting groove 331, when ejector pin 362 moves to the direction of keeping away from plug 35 in through-hole 332, will drive butt ring 363 synchronous movement, will extrude the spring 364 that will overlap on ejector pin 362 simultaneously, after the plug 35 in new spacing box 34 inserts in mounting groove 331, elasticity through spring 364 oneself, can drive ejector pin 362 and move towards mounting groove 331 in through-hole 332, and then can be automatic with the one end embedding of ejector pin 362 in the butt groove 351 that plug 35 offered in mounting groove 331, and then play the auto-lock function, through the setting of linkage plate 365, can drive a plurality of 362 simultaneously movable box 34 of being convenient for simultaneously, the speed of changing spacing box 34 has been improved.
Referring to fig. 12, the pressing mechanism 4 includes a support bar 41, a cross bar 42, a pressing cylinder 43, a pressing plate 44, and a rubber column 45; the two support rods 41 are respectively arranged at two sides of the top of the connecting frame 33, and the two support rods 41 are positioned at the same side of the connecting frame 33; the cross bars 42 are horizontally arranged above the two support bars 41, and two sides of the bottom of each cross bar 42 are fixedly connected with the tops of the corresponding support bars 41 respectively; the lower air cylinder 43 is arranged in the middle of the top of the cross rod 42, and the output end of the lower air cylinder 43 passes through the cross rod 42 to be downwards arranged; the lower pressing plate 44 is arranged below the cross rod 42, and the middle of the top of the lower pressing plate 44 is fixedly connected with the output end of the lower pressing cylinder 43; the number of the rubber columns 45 is the same as and corresponds to the number of the limit boxes 34 on one side of the connecting frame 33, and a plurality of the rubber columns 45 are arranged in a linear arrangement on one side of the lower pressure plate 44 away from the lower pressure cylinder 43.
The lower pressing plate 44 is driven to press down by starting the lower pressing cylinder 43, and then the plurality of rubber columns 45 on the lower pressing plate 44 are driven to press down synchronously, when the lower pressing plate 44 moves down to a specified position, at this time, one end of the strip-shaped copper foil located in the limit box 34 is fixed in the limit box 34 by the rubber columns 45 on the lower pressing plate 44, so that the strip-shaped copper foil cannot shake in the limit box 34 in the moving process, and meanwhile, the strip-shaped copper foil is prevented from falling off from the limit box 34 in the power-on detection process, the detection of the strip-shaped copper foil is affected, the strip-shaped copper foil is prevented from being fixed through the arrangement of the rubber columns 45, the surface of the strip-shaped copper foil is provided with indentations, and the appearance of the strip-shaped copper foil is damaged.
Referring to fig. 7 and 11, the marking mechanism 5 includes a driving member 51, a moving block 52, a telescopic rod 53, and a marking pen 54; the number of the moving blocks 52 is the same as and corresponds to the number of the moving grooves 311 formed in the transverse plate 31, the moving blocks 52 can be slidably arranged in the corresponding moving grooves 311, the moving blocks 52 are provided with second threaded holes 521, the number of the driving pieces 51 is the same as and corresponds to the number of the moving blocks 52 one by one, the driving pieces 51 are arranged on one side outside the transverse plate 31, and the output ends of the driving pieces 51 are in linkage arrangement with the corresponding moving blocks 52; the telescopic rod 53 is arranged on the top of the moving block 52 in a vertical shape; a marker 54 is provided at the telescopic end of the telescopic rod 53.
Through the cooperation of the second screw hole 521 that driving piece 51 and movable block 52 offered for movable block 52 can make a round trip movement in the travel groove 311 that diaphragm 31 offered, and then drive telescopic link 53 synchronous motion, further drive the marker 54 synchronous motion on the telescopic link 53, when temperature detector 7 detects that the temperature exceeds standard appears in a certain position on the bar copper foil, will control the telescopic link 53 that driving piece 51 drove the movable block 52 and remove the temperature department that exceeds standard to the corresponding bar copper foil, then drive marker 54 upward movement through telescopic link 53, and then mark in bar copper foil temperature department that exceeds standard, make things convenient for the bar copper foil to carry out secondary operation to the temperature department that exceeds standard of bar copper foil when taking off.
Referring to fig. 10, the driving member 51 includes a second motor 511, a rotation seat 512, and a second transmission screw 513; the second motor 511 is arranged at one side of the outside of the transverse plate 31, and the second electric output end is arranged towards the direction of the moving block 52; the rotating seat 512 is arranged at one side of the transverse plate 31 far from the second motor 511; the second transmission screw 513 is disposed at an output end of the second motor 511, and an end of the second transmission screw 513 remote from the second motor 511 passes through a second threaded hole 521 formed in the moving block 52 and extends into the rotating seat 512.
By starting the second motor 511, the second transmission screw 513 is driven to rotate in the moving groove 311 formed in the transverse plate 31, and further, the moving block 52 is driven to horizontally move in the moving groove 311 formed in the transverse plate 31, so that the marker pen 54 on the telescopic rod 53 can move to a position to be marked more accurately.
Referring to fig. 1 and 5, the XY stage 6 includes a mounting plate 61, a first slide assembly 62, a second slide assembly 63, and a fixing plate 64; the mounting plate 61 is arranged at the top in the detection cabinet 1; the first slide assembly 62 is disposed on the fixed plate 64; the second sliding component 63 is disposed at the sliding end of the first sliding component 62; the fixed plate 64 is disposed at the sliding end of the second sliding component 63, and one end of the fixed plate 64 away from the second sliding component 63 is fixedly connected with the temperature detector 7.
The first sliding component 62 is installed on the top of the detection cabinet 1 through the installation plate 61, when temperature detection is needed to be carried out on a plurality of strip-shaped copper foils, the temperature detector 7 firstly slides on the second sliding component 63 through the fixing plate 64 to carry out temperature detection on a single strip-shaped copper foil, then slides on the first sliding component 62 through the second sliding component 63 to carry out temperature detection on an adjacent single strip-shaped copper foil, then the movement process is repeated, the single strip-shaped copper foil is detected firstly, and then the adjacent strip-shaped copper foils which are not detected are detected until all strip-shaped copper foils are detected, so that detection of the strip-shaped copper foils is completely carried out without manual auxiliary operation, and detection efficiency of the strip-shaped copper foils is improved.
Referring to fig. 5 and 6, the first sliding assembly 62 includes a first mounting seat 621, a first servo motor 622, a third transmission screw 623, a first limiting plate 624, a first guide rod 625 and a first sliding block 626; the first mounting seat 621 is provided on the mounting plate 61; the first servo motor 622 is disposed on the first mount 621; the first limiting plate 624 is disposed on a side of the mounting plate 61 away from the first mounting seat 621; the first guide rod 625 is arranged between the first mounting seat 621 and the first limiting plate 624, one end of the first guide rod 625 is fixedly connected with the first mounting seat 621, the other end of the first guide rod 625 is fixedly connected with the first limiting plate 624, and a first sliding block 626 is arranged on the first guide rod 625 in a sliding manner; the third transmission lead screw 623 is arranged at the output end of the first servo motor 622, one end of the third transmission lead screw 623, which is far away from the first servo motor 622, passes through the first sliding block 626 to extend to the first limiting plate 624 and is rotationally connected with the first limiting plate 624, and the third transmission lead screw 623 is in threaded connection with the first sliding block 626.
Through starting first servo motor 622, drive third transmission lead screw 623 and rotate on first limiting plate 624, further drive first slider 626 round trip movement on first guide arm 625, further drive second slip subassembly 63 synchronous motion, when needs carry out temperature detection to next bar copper foil, through the cooperation of first servo motor 622, third transmission lead screw 623 and first slider 626, can drive second slip subassembly 63 and remove the bar copper foil top that next needs carry out temperature detection, drive the temperature detector 7 on the second slip subassembly 63 simultaneously and remove to need carry out temperature detection on the bar copper foil of temperature detection and carry out temperature detection.
Referring to fig. 5 and 6, the second sliding assembly 63 includes a second mounting seat 631, a second servo motor 632, a fourth transmission screw 633, a second limiting plate 634, a second guide rod 635, and a second sliding block 636; the second mounting seat 631 is disposed at the sliding end of the first sliding assembly 62; the second servo motor 632 is disposed on the second mount 631; the second limiting plate 634 is arranged at one side of the top in the detection cabinet 1 far away from the second mounting seat 631; the second guide rod 635 is horizontally arranged between the second mounting seat 631 and the second limiting plate 634, one end of the second guide rod 635 is fixedly connected with the second mounting seat 631, the other end of the second guide rod 635 is fixedly connected with the second limiting plate 634, and a second sliding block 636 is arranged on the second guide rod 635; one end of the fourth transmission screw 633 is disposed at an output end of the second servo motor 632, the other end of the fourth transmission screw 633 passes through the second sliding block 636 and extends to the second limiting plate 634, the fourth transmission screw 633 is rotationally connected with the second limiting plate 634, and the fourth transmission screw 633 is in threaded connection with the second sliding block 636.
Through starting second servo motor 632, drive fourth transmission lead screw 633 and rotate on second limiting plate 634, further drive second sliding block 636 round trip movement on second guiding rod 635, when first sliding component 62 drives the device to remove the bar copper foil top that needs to carry out temperature detection, can drive the temperature detector 7 on the fixed plate 64 and remove in the top of single bar copper foil through the movement of second sliding block 636, and then carry out temperature detection to single bar copper foil for the place that the temperature detection of single bar copper foil can not appear missing has improved the detection effect of bar copper foil.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The device for detecting the current temperature rise of the copper foil of the printed circuit board is characterized by comprising a detection cabinet (1), a moving mechanism (2), a placing mechanism (3), a pressing mechanism (4), an XY platform (6), a temperature detector (7), a marking mechanism (5) and an electrifying module (8), wherein the moving mechanism (2), the placing mechanism (3), the pressing mechanism (4), the XY platform (6) and the electrifying module (8) are arranged in the detection cabinet (1); the moving mechanism (2) is arranged at the bottom of the detection cabinet (1); the placement mechanism (3) is arranged on the moving mechanism (2); the two pressing mechanisms (4) are symmetrically arranged on the placing mechanism (3); the XY platform (6) is arranged at the top in the detection cabinet (1); the temperature detector (7) is arranged on the XY platform (6), and the detection end of the temperature detector (7) is arranged towards the direction of the placement surface of the placement mechanism (3); the marking mechanism (5) is provided with a plurality of movable positioning mechanisms (3); the two electrifying modules (8) are symmetrically arranged in the detection cabinet (1); the placing mechanism (3) comprises a transverse plate (31), a connecting plate (32), a connecting frame (33), a limit box (34), an inserting block (35) and a self-locking assembly (36); the transverse plate (31) is horizontally arranged on the moving end of the moving mechanism (2), the bottom of the transverse plate (31) is fixedly connected with the moving end of the moving mechanism (2), and a plurality of moving grooves (311) for horizontally moving the marking mechanism (5) are formed in the top surface of the transverse plate (31); the connecting frame (33) is arranged above the transverse plate (31), the connecting frame (33) is fixed above the transverse plate (31) through the connecting plate (32), and a plurality of mounting grooves (331) which are linearly arranged are formed in the top of the connecting frame (33); the number of the inserting blocks (35) is the same as that of the installing grooves (331) and corresponds to that of the installing grooves (331) one by one, the inserting blocks (35) are inserted into the installing grooves (331), the top of each inserting block (35) extends out of the installing groove (331) to extend upwards, and one end, located in the installing groove (331), of each inserting block (35) is provided with an abutting groove (351); the number of the limit boxes (34) is the same as that of the plug blocks (35) and corresponds to one another, the limit boxes (34) are arranged at one ends of the plug blocks (35) extending out of the mounting grooves (331), and the bottoms of the limit boxes (34) are fixedly connected with one ends of the plug blocks (35); the two self-locking assemblies (36) are symmetrically arranged on the connecting frame (33), and the self-locking ends of the self-locking assemblies (36) penetrate through the mounting grooves (331) formed in the connecting frame (33) and are in clamping connection with the abutting grooves (351) formed in the inserting blocks (35); the marking mechanism (5) comprises a driving piece (51), a moving block (52), a telescopic rod (53) and a marking pen (54); the number of the moving blocks (52) is the same as the number of the moving grooves (311) formed in the transverse plate (31) and corresponds to the number of the moving grooves (311), the moving blocks (52) can be slidably arranged in the corresponding moving grooves (311), the moving blocks (52) are provided with second threaded holes (521), the number of the driving pieces (51) is the same as the number of the moving blocks (52) and corresponds to the number of the moving blocks (52) one by one, the driving pieces (51) are arranged on one side outside the transverse plate (31), and the output ends of the driving pieces (51) are in linkage with the corresponding moving blocks (52); the telescopic rod (53) is vertically arranged at the top of the moving block (52); the marker pen (54) is arranged at the telescopic end of the telescopic rod (53).
2. The device for detecting the current temperature rise of the copper foil of the printed circuit board according to claim 1, wherein the moving mechanism (2) comprises a sliding rail (21), a sliding block (22), a connecting block (23), a first bearing seat (24), a first transmission screw (25), a mounting frame (26) and a first motor (27);
the slide rails (21) are provided with two bottoms which are symmetrically arranged in the detection cabinet (1), each slide rail (21) is provided with two sliding blocks (22), and the top of each sliding block (22) is fixedly connected with the bottom of the placement mechanism (3);
the connecting block (23) is arranged at the bottom of the placement mechanism (3), the connecting block (23) is positioned between the two sliding rails (21), and a first threaded hole (231) is formed in the connecting block (23);
the first bearing seat (24) is arranged at the bottom in the detection cabinet (1), and the first bearing seat (24) is positioned between the two sliding rails (21);
the first transmission screw rod (25) is rotatably arranged in the first bearing seat (24), and one end of the first transmission screw rod (25) far away from the first bearing seat (24) passes through a first threaded hole (231) formed in the connecting block (23) and extends to the outside of the detection cabinet (1);
the mounting frame (26) is arranged outside the detection cabinet (1), and the mounting frame (26) is positioned at one end of the first transmission screw rod (25) far away from the bearing seat;
the first motor (27) is arranged on the mounting frame (26), and the output end of the first motor (27) is rotatably connected with one end of the first transmission screw rod (25) extending out of the detection cabinet (1).
3. The device for detecting the current temperature rise of the copper foil of the printed circuit board according to claim 1, wherein the self-locking assembly (36) comprises a limiting ring (361), an ejector rod (362), an abutting ring (363), a spring (364) and a linkage plate (365);
the number of the limiting rings (361) is the same as that of the mounting grooves (331) and corresponds to one another, the limiting rings (361) are arranged outside the connecting frame (33), one side, close to the limiting rings (361), of the connecting frame (33) is provided with through holes (332) corresponding to the limiting rings (361), and the through holes (332) are communicated with the mounting grooves (331);
the number of the ejector rods (362) is the same as that of the limiting rings (361) and corresponds to that of the limiting rings (361) one by one, the ejector rods (362) are inserted into the through holes (332) formed in the connecting frame (33), one end of each ejector rod (362) penetrates through each limiting ring (361) and extends outwards, and the other end of each ejector rod (362) extends towards the inside of the corresponding mounting groove (331) and is in abutting connection with the corresponding abutting groove (351) formed in the corresponding inserting block (35);
the number of the abutting rings (363) is the same as that of the ejector rods (362) and corresponds to that of the ejector rods one by one, the abutting rings (363) are arranged in the through holes (332) formed in the connecting frame (33), and the abutting rings (363) are sleeved in the middle of the ejector rods (362);
the number of the springs (364) is the same as that of the ejector rods (362) and corresponds to that of the ejector rods (362), the springs (364) are sleeved outside the ejector rods (362), and the springs (364) are positioned between the abutting rings (363) and the limiting rings (361);
the linkage plates (365) are two, the two linkage plates (365) are symmetrically arranged on the connecting frame (33), and the linkage plates (365) are movably connected with one ends of the plurality of ejector rods (362) located on the same side and extending outwards.
4. The device for detecting the current temperature rise of the copper foil of the printed circuit board according to claim 1, wherein the pressing mechanism (4) comprises a supporting rod (41), a cross rod (42), a pressing cylinder (43), a pressing plate (44) and a rubber column (45);
the two support rods (41) are symmetrically arranged at the top of the connecting frame (33), and the two support rods (41) are positioned at the same side of the connecting frame (33);
the cross bars (42) are horizontally arranged above the two support rods (41), and the bottoms of the cross bars (42) are fixedly connected with the tops of the corresponding support rods (41) respectively;
the lower air cylinder (43) is arranged in the middle of the top of the cross rod (42), and the output end of the lower air cylinder (43) passes through the cross rod (42) to be downwards arranged;
the lower pressing plate (44) is arranged below the cross rod (42), and the middle part of the top of the lower pressing plate (44) is fixedly connected with the output end of the lower pressing cylinder (43);
the number of the rubber columns (45) is the same as that of the limit boxes (34) on the same side of the connecting frame (33) and corresponds to the limit boxes one by one, and the plurality of rubber columns (45) are arranged on one side, far away from the lower pressure cylinder (43), of the lower pressure plate (44) in a linear arrangement.
5. The equipment for detecting the current temperature rise of the copper foil of the printed wiring board according to claim 1, wherein the driving piece (51) comprises a second motor (511), a rotating seat (512) and a second transmission screw (513);
the second motor (511) is arranged on one side of the outer part of the transverse plate (31), and the output end of the second motor is arranged towards the direction of the moving block (52);
the rotating seat (512) is arranged at one side of the transverse plate (31) far away from the second motor (511);
the second transmission screw rod (513) is arranged at the output end of the second motor (511), and one end of the second transmission screw rod (513) far away from the second motor (511) passes through a second threaded hole (521) formed in the moving block (52) and extends into the rotating seat (512).
6. The device for detecting the current temperature rise of the copper foil of the printed wiring board according to claim 1, wherein the XY platform (6) comprises a mounting plate (61), a first sliding component (62), a second sliding component (63) and a fixing plate (64);
the mounting plate (61) is arranged at the top in the detection cabinet (1);
the first sliding component (62) is arranged on the fixed plate (64);
the second sliding component (63) is arranged at the sliding end of the first sliding component (62);
the fixed plate (64) is arranged at the sliding end of the second sliding component (63), and one end, far away from the second sliding component (63), of the fixed plate (64) is fixedly connected with the temperature detector (7).
7. The device for detecting the current temperature rise of the copper foil of the printed circuit board according to claim 6, wherein the first sliding component (62) comprises a first mounting seat (621), a first servo motor (622), a third transmission screw (623), a first limiting plate (624), a first guide rod (625) and a first sliding block (626);
the first mounting seat (621) is arranged on the mounting plate (61);
the first servo motor (622) is arranged on the first mounting seat (621);
the first limiting plate (624) is arranged on one side of the mounting plate (61) away from the first mounting seat (621);
the first guide rod (625) is arranged between the first mounting seat (621) and the first limiting plate (624), one end of the first guide rod (625) is fixedly connected with the first mounting seat (621), the other end of the first guide rod (625) is fixedly connected with the first limiting plate (624), and a first sliding block (626) is arranged on the first guide rod (625) in a sliding mode;
the third transmission screw rod (623) is arranged at the output end of the first servo motor (622), one end, far away from the first servo motor (622), of the third transmission screw rod (623) penetrates through the first sliding block (626) to extend to the first limiting plate (624), the third transmission screw rod (623) is in rotary connection with the first limiting plate (624), and the third transmission screw rod (623) is in threaded connection with the first sliding block (626).
8. The equipment for detecting the current temperature rise of the copper foil of the printed wiring board according to claim 6, wherein the second sliding component (63) comprises a second mounting seat (631), a second servo motor (632), a fourth transmission screw (633), a second limiting plate (634), a second guide rod (635) and a second sliding block (636);
the second mounting seat (631) is arranged at the sliding end of the first sliding component (62);
the second servo motor (632) is arranged on the second mounting seat (631);
the second limiting plate (634) is arranged at one side of the top part in the detection cabinet (1) far away from the second mounting seat (631);
the second guide rod (635) is horizontally arranged between the second mounting seat (631) and the second limiting plate (634), one end of the second guide rod (635) is fixedly connected with the second mounting seat (631), the other end of the second guide rod (635) is fixedly connected with the second limiting plate (634), and a second sliding block (636) is arranged on the second guide rod (635);
one end of a fourth transmission screw rod (633) is arranged at the output end of the second servo motor (632), the other end of the fourth transmission screw rod (633) penetrates through the second sliding block (636) to extend to the second limiting plate (634), the fourth transmission screw rod (633) is in rotary connection with the second limiting plate (634), and the fourth transmission screw rod (633) is in threaded connection with the second sliding block (636).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311437677.7A CN117168652B (en) | 2023-11-01 | 2023-11-01 | Copper foil current temperature rise detection equipment for printed circuit board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311437677.7A CN117168652B (en) | 2023-11-01 | 2023-11-01 | Copper foil current temperature rise detection equipment for printed circuit board |
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| CN117168652B true CN117168652B (en) | 2024-01-05 |
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