CN113820542B - Resistance detection equipment for conductive adhesive - Google Patents
Resistance detection equipment for conductive adhesive Download PDFInfo
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- CN113820542B CN113820542B CN202111384575.4A CN202111384575A CN113820542B CN 113820542 B CN113820542 B CN 113820542B CN 202111384575 A CN202111384575 A CN 202111384575A CN 113820542 B CN113820542 B CN 113820542B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention relates to the field of conductive adhesive detection, in particular to conductive adhesive resistance detection equipment which comprises a workbench, a fixing mechanism and a detection mechanism, wherein the workbench is arranged on the ground, the fixing mechanism is arranged at the upper end of the workbench, the detection mechanism is arranged in the middle of the fixing mechanism, and the detection mechanism is arranged at the upper end of the workbench.
Description
Technical Field
The invention relates to the field of conductive adhesive detection, in particular to a resistance detection device for conductive adhesive.
Background
The conductive adhesive is an adhesive with certain conductive performance after being cured or dried, and generally takes matrix resin and conductive filler, namely conductive particles as main components to form a conductive path, so that the conductive connection of the bonded materials is realized, and a plurality of conductive materials can be connected together to form an electric path between the connected materials.
The commercialized conductive adhesives mainly include conductive adhesive paste, conductive paint, conductive adhesive tape, conductive glue and the like, and the conductive adhesives are generally used in various electronic fields such as microelectronic packaging, printed circuit boards, conductive circuit bonding and the like.
The kind of the main agent resin, the kind, the amount and the granularity of the conductive filler in the conductive adhesive can affect the conductivity of the conductive adhesive, and the application process can also affect the performance, so the resistance, the linear thermal expansion coefficient, the thermal conductivity coefficient, the volume conductivity and the like of the conductive adhesive need to be detected.
However, the following problems occur in the process of detecting the resistance of the conductive paste: only a certain error exists in a result obtained by detecting the conductive adhesive on the single surface of the conductive material, and during the double-surface detection of the conductive material, an operator directly turns over the conductive material to easily touch the conductive adhesive, so that the detection result of the conductive adhesive is easily influenced, and meanwhile, the accuracy of the overall resistance detection result of the conductive adhesive is low due to the fact that the number of the arranged detection points is small.
Disclosure of Invention
In order to solve the technical problem, the invention provides a resistance detection device for conductive adhesive, which comprises a workbench, a fixing mechanism and a detection mechanism, wherein the workbench is arranged on the ground, the fixing mechanism is arranged at the upper end of the workbench, the detection mechanism is arranged in the middle of the fixing mechanism, and the detection mechanism is arranged at the upper end of the workbench.
Fixed establishment include the grudging post, an electronic slider, an electric putter, the plate, the limiting plate, the connecting piece, splint and square plate, the upper end at the workstation is installed to the grudging post bilateral symmetry, an electronic slider is installed to the opposite side of grudging post, an electronic slider's opposite side rotates installs an electric putter, the plate is equipped with to electric putter's the end cover that carries on the back mutually, the upper end of workstation is arranged in to the plate, and the opposite side contact of the opposite side of plate and grudging post, the limiting plate has been placed to the symmetry around the upper end of plate, peg graft mutually between limiting plate and the grudging post, the connecting piece is installed to electric putter's looks remote site, the opposite side of connecting piece is provided with splint, the square plate has been arranged between the splint, the up end at the workstation is installed to the square plate, the connecting piece is located the top of square plate, and splint are located the diagonal angle department of square plate.
The circuit board with the conductive adhesive is manually placed at the upper end of the square plate, then the clamping plate is pushed towards the circuit board by the first electric push rod until the circuit board is clamped by the clamping plate, then the resistance detection is carried out on the conductive adhesive on the upper end surface of the circuit board by a detection mechanism, after the single-side detection of the circuit board is finished, the limiting plate is pulled out manually, then drive an electric putter upward movement through an electric slider, simultaneously through manual mode manual rotation plate, the plate drives an electric putter synchronous motion, splint smuggle the circuit board and rotate in step thereupon, accomplish the upset until the circuit board, make an electric putter return to primary position through an electric slider afterwards again, the upper end of square plate is arranged in again to the circuit board after the upset, insert the limiting plate again immediately in order to fix the plate, later carry out resistance detection through detection mechanism to the conducting resin on the circuit board once more.
The detection mechanism comprises a support, a top plate, a second electric sliding block, a vertical plate, a round rod, a third electric sliding block, a linking piece, a second electric push rod, a probe, a seat plate and a detector, wherein the support is symmetrically arranged at the front and back of the opposite side of the vertical frame, the support is arranged at the upper end of the workbench, the top plate is connected to the upper end of the support which is right opposite from the front to the back, the second electric sliding block is arranged at the lower end of the top plate, the vertical plate is arranged at the lower end of the second electric sliding block, the round rod is connected between the lower ends of the vertical plates, the third electric sliding block is sleeved on the round rod, the linking piece is arranged at the front end of the third electric sliding block, the second electric push rod is arranged at the front end of the linking piece, the probe is arranged at the lower end of the second electric push rod in a threaded fit mode, the seat plate is arranged at the back side of the third electric sliding block, the seat plate is arranged at the upper end of the workbench, the detector is arranged at the upper end of the seat plate, and a transmission line is connected between the front lower end of the probe, the transmission line is made of elastic material.
After splint clamping circuit board, drive the riser through No. two electric slider and move forward, the riser drives pole synchronous motion, probe synchronous motion thereupon, after the probe is located the top of circuit board, promote the probe downwards through No. two electric putter, so that the lower extreme contact conducting resin of probe, synchronous production's resistance testing result can synchronous display on the detector, after the single department conducting resin detects, make the probe go upward through No. two electric putter and break away from the conducting resin, can realize the longitudinal movement of probe through No. two electric slider, can realize the lateral shifting of probe along the pole motion through No. three electric slider, realize from this that the circuit board upper end is indulged, the detection of horizontal department conducting resin, before the circuit board upset, through No. two electric slider, the cooperation makes the probe return to the primary position between No. three electric slider and No. two electric putter.
The first preferred technical scheme is as follows: the connecting piece comprises a fixed plate, a fourth electric slider, connecting plates and extending plates, the fixed plate is arranged at the opposite end of a first electric push rod, the fourth electric slider is arranged at the upper end of the fixed plate, the connecting plates are arranged at the upper end of the fourth electric slider, the extending plates are symmetrically arranged at the front and back of the opposite sides of the connecting plates, the clamping plates are rotationally connected by the same two parts through pin shafts, one ends of the extending plates, far away from the connecting plates, are rotationally provided with pin shafts, the pin shafts connected with the extending plates are in sliding connection with the side ends of the clamping plates, the connecting plates are driven to move oppositely or relatively move through the fourth electric sliders, the connecting plates synchronously drive the extending plates to move, when the connecting plates drive the extending plates to move oppositely, the clamping plates are under the action of pulling force towards the vertical frame, the opening angle of the whole clamping plates is increased, when the connecting plates drive the extending plates to move relatively, the clamping plates are under the action of pushing force towards the square plates, the whole opening angle of the clamping plate is reduced, so that the clamping plate can be suitable for a circular circuit board and a circuit board with non-right-angle end angles, and the whole application range of the device is further enlarged.
The preferred technical scheme is as follows: the connecting piece comprises an angle scale, a mounting block, square blocks and rotation stopping rods, the angle scale is mounted at the front end of a third electric sliding block, the mounting block is rotatably mounted at the front end of the angle scale through a pin shaft, a second electric push rod is mounted at the front end of the mounting block, the square blocks are symmetrically mounted at the left end and the right end of the mounting block, a first through hole is formed in the front end surface of each square block, second through holes are formed in the front end of the angle scale and are evenly distributed along the circumferential direction of the angle scale, the rotation stopping rods are clamped between the first through holes and the second through holes corresponding to the first through holes, when a protruding point is arranged at the upper end of the circuit board and the side surface of the protruding point is coated with conductive adhesive, the rotation stopping rods are manually pulled out, then the mounting block is rotated, the mounting block drives the square blocks and the second electric push rod to synchronously rotate to a corresponding angle, the probe is synchronously rotated to the corresponding angle along with the second electric push rod, and then the rotation stopping rods are inserted again to fix the mounting block, and then, the inclined probe can be used for resistance detection of the conductive adhesive with the side surface of the convex point at the upper end of the circuit board, and the contact between the detection end of the inclined probe and the conductive adhesive with the side surface of the convex point is more sufficient, so that the accuracy of the resistance detection result of the conductive adhesive is improved.
The preferred technical scheme is three: the upper end of round bar turn right the equidistance from a left side and seted up the joint recess, the joint has vertical board in the joint recess, vertical board is located the right side of No. three electronic sliders, vertical board can carry on spacingly to the distance of No. three electronic slider single motions, guarantees promptly that No. three electronic sliders equal at every turn's distance of moving on same conducting resin to this improves the accuracy of the resistance test result of same conducting resin.
The preferable technical scheme is four: the riser be extending structure, No. three through-holes have been seted up from up the equidistance down to the left end face of the fixed section of riser, No. four through-holes have been seted up to the left end face upper end of the removal section of riser, the joint has the axostylus axostyle between No. three through-holes that No. four through-holes and position correspond with it, extract the axostylus axostyle through the manual mode, then make the corresponding length of riser shrink, the riser drives pole synchronous motion, the probe is synchronous motion along with, insert the axostylus axostyle again so that the riser can not stretch out and draw back again immediately, the purpose through the distance between riser adjustment probe and the circuit board is: when facing circuit boards with different heights, the probe can be always kept at a proper height above the circuit board, so that the phenomenon that the probe moves downwards for a too large distance to cause too large force generated by contact with the conductive adhesive is avoided, and meanwhile, the detection time is favorably shortened.
The preferred technical scheme is five: the left end of second electric putter's promotion end install the baffle, the L template has been arranged to the below of baffle, the L template is located the left side of probe, be connected with the extension plate between the rear end of L template and the side of angle scale, after the distance between regulation probe and the circuit board through riser flexible, promote the probe downwards through No. two electric putter, the synchronous downstream of baffle thereupon, after baffle and L template contact, the contact is accomplished with conductive adhesive, the purpose that sets up baffle and L template is for the down distance of further restriction probe, guarantee to implement the multiple spot to same conductive adhesive and examine time measuring, the movement distance of probe is the same, improve the accuracy of conductive adhesive's resistance testing result with this.
The preferred technical scheme is six: the left end face of the top plate is provided with connecting through holes in the front and back at equal intervals, the connecting through holes are internally connected with stop rods in a clamping mode, the stop rods can limit the distance of single movement of the second electric slider, and the distance of every movement of the second electric slider on the same conductive adhesive is equal, so that the accuracy of the resistance detection result of the same conductive adhesive is improved.
The preferred technical scheme is seven: the spring is installed to the up end of L template front end, the spring is located the baffle left end under, the spring can play the shock-absorbing effect of buffering to the contact between baffle and the L template, and then avoid the two contact to produce great impact and make the probe produce vibrations, influence probe detection.
The preferred technical scheme is eight: the rubber layer is installed on the opposite side of the clamping plate and the upper end of the square plate, the rubber layer can play a role in elastic protection of the circuit board and can play an insulating effect, and therefore the resistance detection result of the conductive adhesive is prevented from being influenced by other external factors.
The invention has the following beneficial effects: 1. the resistance detection equipment for the conductive adhesive is designed by adopting a design concept of double-sided detection, the resistance detection of the conductive adhesive on the double sides of the circuit board can be realized by matching the fixing mechanism and the detection mechanism in the invention, compared with manual turnover of the circuit board, the frequency of direct contact of workers with the circuit board can be reduced, and meanwhile, the detection mechanism can realize resistance detection of the conductive adhesive in longitudinal and transverse directions and multiple points, so that the efficiency of overall resistance detection is improved, and the accuracy of a resistance detection result is also improved.
2. The purpose of arranging the baffle and the L-shaped plate is to further limit the descending distance of the probe and ensure that the movement distances of the probe are the same when the same conductive adhesive is subjected to multi-point detection, so that the accuracy of the resistance detection result of the conductive adhesive is improved.
3. The invention aims to adjust the distance between the probe and the circuit board through the vertical plate, and comprises the following steps: when facing circuit boards with different heights, the probe can be always kept at a proper height above the circuit board, so that the phenomenon that the probe moves downwards for a too large distance to cause too large force generated by contact with the conductive adhesive is avoided, and meanwhile, the detection time is favorably shortened.
4. The size of the integral opening angle of the clamping plate can be regulated, and on the basis, the clamping plate can be suitable for a circular circuit board and a circuit board with non-right-angle end angles, so that the application range of the whole device is expanded.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a perspective view of the first electric putter and the connector.
Fig. 5 is a perspective view of the riser, the rod and the structure attached to the rod.
Fig. 6 is a perspective view of the third electric slider, the joint member and the structure connected with the joint member.
In the figure: 1. a work table; 2. a fixing mechanism; 3. a detection mechanism; 20. erecting a frame; 21. a first electric slide block; 22. a first electric push rod; 23. a plate block; 24. a limiting plate; 25. a connecting member; 26. a splint; 260. a rubber layer; 27. a square plate; 30. a support; 31. a top plate; 310. a stop lever; 32. a second electric slide block; 33. a vertical plate; 330. a shaft lever; 34. a round bar; 340. a vertical plate; 35. a third electric slider; 36. a joining member; 360. an angle scale; 361. mounting blocks; 362. a square block; 363. a rotation stopping rod; 37. a second electric push rod; 370. a baffle plate; 371. an L-shaped plate; 372. an extension plate; 373. a spring; 38. a probe; 39. a seat plate; 390. and (7) detecting the instrument.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the resistance detection device for conductive adhesive comprises a workbench 1, a fixing mechanism 2 and a detection mechanism 3, wherein the workbench 1 is arranged on the ground, the fixing mechanism 2 is arranged at the upper end of the workbench 1, the detection mechanism 3 is arranged at the middle part of the fixing mechanism 2, and the detection mechanism 3 is arranged at the upper end of the workbench 1.
Referring to fig. 1 and 4, the fixing mechanism 2 includes a vertical frame 20, a first electric slider 21, a first electric push rod 22, a plate 23, a limit plate 24, a connecting member 25, a clamping plate 26 and a square plate 27, the vertical frame 20 is symmetrically installed at the upper end of the workbench 1, the first electric slider 21 is installed at the opposite side of the vertical frame 20, the first electric push rod 22 is rotatably installed at the opposite side of the first electric slider 21, the plate 23 is sleeved at the opposite end of the first electric push rod 22, the plate 23 is arranged at the upper end of the workbench 1, the opposite side of the plate 23 is contacted with the opposite side of the vertical frame 20, the limit plate 24 is symmetrically placed at the front and back of the upper end of the plate 23, the limit plate 24 is inserted into the vertical frame 20, the connecting member 25 is installed at the opposite end of the first electric push rod 22, the clamping plate 26 is arranged at the opposite side of the connecting member 25, the square plate 27 is arranged between the clamping plates 26, the square plate 27 is installed at the upper end surface of the workbench 1, the connecting member 25 is located above the square plate 27, and the clamping plates 26 are located at opposite corners of the square plate 27.
The circuit board with the conductive adhesive is manually placed at the upper end of the square plate 27, the clamping plate 26 is pushed towards the circuit board by the electric push rod 22 until the clamping plate 26 clamps the circuit board, then the resistance detection is carried out on the conductive adhesive on the upper end surface of the circuit board by the detection mechanism 3, after the single-side detection of the circuit board is finished, the limiting plate 24 is manually pulled out, the electric push rod 22 is driven by the electric slide block 21 to move upwards, the plate 23 is manually rotated manually, the plate 23 drives the electric push rod 22 to move synchronously, the clamping plate 26 carries the circuit board to rotate synchronously with the circuit board until the circuit board is turned over, then the electric push rod 22 is driven by the electric slide block 21 to return to the original position, the turned circuit board is placed at the upper end of the square plate 27 again, and then the limiting plate 24 is inserted again to fix the plate 23, afterwards, carry out resistance detection to the conducting resin on the circuit board through detection mechanism 3 once more, in summary, the cooperation between fixed establishment 2 and the detection mechanism 3 can realize the resistance detection of the double-sided conducting resin of circuit board, compares with artifical upset circuit board, and reducible workman direct contact's the number of times of circuit board, and then reduces the influence degree of direct contact to the resistance detection result of conducting resin.
Referring to fig. 4, the connecting member 25 includes a fixing plate 250, a four-position electric slider 251, a connecting plate 252 and an extending plate 253, the fixing plate 250 is mounted at the opposite end of the one-position electric push rod 22, the four-position electric slider 251 is mounted at the upper end of the fixing plate 250, the connecting plate 252 is mounted at the upper end of the four-position electric slider 251, the extending plates 253 are symmetrically mounted at the front and back of the opposite sides of the connecting plate 252, the clamping plates 26 are rotatably connected by the same two parts through pins, a pin is rotatably mounted at one end of the extending plate 253 far from the connecting plate 252, the pin connected with the extending plate 253 is slidably connected with the side ends of the clamping plates 26, the connecting plate 252 is driven by the four-position electric slider 251 to move towards or relative to each other, the connecting plate 252 synchronously drives the extending plate 253 to move, when the connecting plate 252 drives the extending plates 253 to move towards each other, the clamping plate 26 is subjected to a pulling force towards the stand 20, so that the opening angle of the whole clamping plate 26 is increased, when the connecting plate 252 drives the extending plate 253 to move relatively, the clamping plate 26 is pushed towards the square plate 27, and the overall opening angle of the clamping plate 26 is reduced, so that the clamping plate 26 is applicable to a circular circuit board and a circuit board with non-right-angle end angles, and the overall application range of the device is further enlarged.
Referring to fig. 1 and 4, the rubber layer 260 is installed on the opposite side of the clamping plate 26 and the upper end of the square plate 27, and the rubber layer 260 can not only play a role of elastic protection for the circuit board, but also play an insulating role, thereby preventing other external factors from affecting the resistance detection result of the conductive adhesive.
Referring to fig. 1, 3, 5 and 6, the detecting mechanism 3 includes a support 30, a top plate 31, a second electric sliding block 32, a vertical plate 33, a round bar 34, a third electric sliding block 35, a connecting piece 36, a second electric push rod 37, a probe 38, a seat plate 39 and a detector 390, the support 30 is symmetrically arranged on the front and back of the opposite side of the vertical frame 20, the support 30 is installed on the upper end of the worktable 1, the top plate 31 is connected to the upper end of the front and back opposite support 30, the second electric sliding block 32 is installed on the lower end of the top plate 31, the vertical plate 33 is installed on the lower end of the second electric sliding block 32, the round bar 34 is connected between the lower ends of the vertical plates 33, the third electric sliding block 35 is sleeved on the round bar 34, the connecting piece 36 is installed on the front end of the third electric sliding block 35, the second electric push rod 37 is installed on the front end of the connecting piece 36, the probe 38 is installed on the lower end of the second electric push rod 37 in a thread fit manner, a seat plate 39 is arranged on the rear side of the third electric slider 35, the seat plate 39 is installed at the upper end of the workbench 1, a detector 390 is installed at the upper end of the seat plate 39, a transmission line is connected between the front lower end of the detector 390 and the upper end of the probe 38, and the transmission line is made of elastic materials.
After the circuit board is clamped by the clamping plate 26, the vertical plate 33 is driven by the second electric slide block 32 to move forward, the vertical plate 33 drives the round rod 34 to move synchronously, the probe 38 moves synchronously therewith, when the probe 38 is located above the circuit board, the probe 38 is pushed downwards by the second electric push rod 37, so that the lower end of the probe 38 contacts the conductive adhesive, the synchronously generated resistance detection results can be synchronously displayed on the detector 390, and after the detection of the conductive adhesive at a single position is finished, the probe 38 is driven to move upwards by the second electric push rod 37 to separate from the conductive adhesive, the longitudinal movement of the probe 38 can be realized by the second electric slide block 32, the transverse movement of the probe 38 can be realized by the movement of the third electric slide block 35 along the round bar 34, so as to realize the detection of the conductive adhesive at the longitudinal and transverse positions of the upper end of the circuit board, before the circuit board is turned over, the probe 38 returns to the original position through the cooperation among the second electric slide block 32, the third electric slide block 35 and the second electric push rod 37.
Referring to fig. 6, the connecting member 36 includes an angle scale 360, a mounting block 361, a block 362 and a rotation stopping rod 363, the angle scale 360 is installed at the front end of the third electric slider 35, the mounting block 361 is installed at the front end of the angle scale 360 through a pin shaft in a rotating manner, the second electric push rod 37 is installed at the front end of the mounting block 361, the blocks 362 are symmetrically installed at the left and right ends of the mounting block 361, a first through hole is formed in the front end surface of the block 362, second through holes are formed in the front end of the angle scale 360 and are uniformly distributed along the circumferential direction of the angle scale 360, the rotation stopping rod 363 is clamped between the first through hole and the second through hole corresponding to the first through hole, when a bump is formed at the upper end of the circuit board and a conductive adhesive is coated on the side surface of the bump, the rotation stopping rod 363 is manually pulled out, the mounting block 361 is rotated, the mounting block drives the block 362 and the second electric push rod 37 to rotate synchronously, the probe 38 rotates to a corresponding angle along with the second electric push rod 37, then, the rotation-stopping rod 363 is inserted again to fix the mounting block 361, and then the inclined probe 38 can be used for resistance detection of the conductive adhesive on the side of the bump point at the upper end of the circuit board, and the contact between the detection end of the inclined probe 38 and the conductive adhesive on the side of the bump point is more sufficient, which is favorable for improving the accuracy of the resistance detection result of the conductive adhesive.
Referring to fig. 5, the upper end of round bar 34 from a left side to right equidistance seted up the joint recess, the joint has vertical board 340 in the joint recess, vertical board 340 is located the right side of No. three electric slider 35, vertical board 340 can carry on spacingly to the distance of No. three electric slider 35 single motion, guarantees that No. three electric slider 35 is equal in the distance of the every turn motion on same conducting resin promptly to this improves the accuracy of the resistance test result of same conducting resin.
Refer to fig. 5, riser 33 be extending structure, No. three through-holes have been seted up to the left end face of the fixed section of riser 33 from up equidistance down, No. four through-holes have been seted up to the left end face upper end of the removal section of riser 33, the joint has axostylus axostyle 330 between No. three through-holes that No. four through-holes and position correspond with it, extract axostylus axostyle 330 through the manual mode, then make riser 33 shrink corresponding length, riser 33 drives pole 34 synchronous motion, probe 38 is synchronous motion along with, insert axostylus axostyle 330 again so that riser 33 can not stretch out and draw back again immediately, the purpose through the distance between riser 33 adjustment probe 38 and the circuit board is: when facing circuit boards with different heights, the probe 38 can be always kept at a proper height above the circuit board, so that the phenomenon that the probe 38 is too large in downward movement distance to cause too large force generated by contact with the conductive adhesive is avoided, and meanwhile, the detection time is favorably shortened.
Referring to fig. 6, a baffle 370 is installed at the left end of the pushing end of the second electric push rod 37, an L-shaped plate 371 is arranged below the baffle 370, the L-shaped plate 371 is located at the left side of the probe 38, an extension plate 372 is connected between the rear end of the L-shaped plate 371 and the side end of the angle scale 360, after the distance between the probe 38 and the circuit board is adjusted by extending and retracting the vertical plate 33, the probe 38 is pushed downwards through the second electric push rod 37, the baffle 370 moves downwards synchronously with the L-shaped plate, after the baffle 370 contacts with the L-shaped plate 371, the probe 38 contacts with the conductive adhesive, the baffle 370 and the L-shaped plate 371 are arranged to further limit the downward distance of the probe 38, and it is ensured that the moving distance of the probe 38 is the same when multi-point detection is performed on the same conductive adhesive, so as to improve the accuracy of the resistance detection result of the conductive adhesive.
Referring to fig. 1 and 3, the left end surface of the top plate 31 is provided with connecting through holes at equal intervals from front to back, the connecting through holes are internally clamped with stop rods 310, and the stop rods 310 can limit the distance of single movement of the second electric slider 32, i.e., the distance of each movement of the second electric slider 32 on the same conductive adhesive is ensured to be equal, so as to improve the accuracy of the resistance detection result of the same conductive adhesive.
Referring to fig. 6, a spring 373 is installed on the upper end surface of the front end of the L-shaped plate 371, the spring 373 is located right below the left end of the baffle plate 370, and the spring 373 can play a role of buffering and damping for the contact between the baffle plate 370 and the L-shaped plate 371, so as to prevent the contact between the baffle plate 370 and the L-shaped plate 371 from generating a large impact force to vibrate the probe 38, thereby affecting the detection of the probe 38.
When the resistance detection equipment works, in the first step, the four electric sliding blocks 251 drive the connecting plates 252 to move oppositely or relatively for a corresponding distance, the connecting plates 252 synchronously drive the extension plates 253 to move, and the opening angle of the clamping plates 26 is synchronously adjusted.
In the second step, the circuit board with the conductive adhesive is manually placed on the upper end of the square plate 27, and then the clamping plate 26 is pushed toward the circuit board by the first electric push rod 22 until the circuit board is clamped by the clamping plate 26.
And thirdly, driving the vertical plate 33 to move forwards through the second electric sliding block 32, driving the round rod 34 to move synchronously through the vertical plate 33, driving the probe 38 to move synchronously therewith, pulling out the shaft rod 330 and contracting the vertical plate 33 manually after the probe 38 is positioned above the circuit board, driving the round rod 34 to move synchronously through the vertical plate 33, and driving the probe 38 to move synchronously therewith until the probe 38 is positioned at a proper height above the circuit board.
Fourthly, the probe 38 is pushed downwards through the second electric push rod 37, so that the lower end of the probe 38 is contacted with the conductive adhesive, the synchronously generated resistance detection result can be synchronously displayed on the detector 390, after the detection of the conductive adhesive at a single position is finished, the probe 38 is enabled to go upwards through the second electric push rod 37 to be separated from the conductive adhesive, the longitudinal movement of the probe 38 can be realized through the second electric slide block 32, the transverse movement of the probe 38 can be realized through the third electric slide block 35 moving along the round rod 34, and the detection of the conductive adhesive at the longitudinal position and the transverse position of the upper end of the circuit board is realized.
Fifthly, after the single-side detection of the circuit board is finished, the probe 38 is returned to the original position through the second electric slider 32, the third electric slider 35 and the second electric push rod 37, then the limiting plate 24 is manually pulled out, the first electric push rod 22 is driven to move upwards through the first electric slider 21, meanwhile, the plate 23 is manually rotated, the plate 23 drives the first electric push rod 22 to move synchronously, the circuit board is entrained by the clamping plate 26 and rotates synchronously with the clamping plate until the circuit board is turned over, then the first electric push rod 22 is returned to the original position through the first electric slider 21, the turned circuit board is placed at the upper end of the square plate 27 again, the limiting plate 24 is inserted again to fix the plate 23, and then the resistance detection of the conductive adhesive is finished according to the operation steps of the third step and the fourth step.
When the upper end of the circuit board is provided with the convex points and the side faces of the convex points are coated with the conductive adhesive, the rotation stopping rod 363 is pulled out manually, then the mounting block 361 is rotated, the mounting block 361 drives the block 362 and the second electric push rod 37 to rotate synchronously, the probe 38 rotates synchronously to a corresponding angle along with the second electric push rod 37, then the rotation stopping rod 363 is inserted again to fix the mounting block 361, and then the inclined probe 38 can be used for resistance detection of the conductive adhesive on the side faces of the upper end of the circuit board with the convex points.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a resistance check out test set of conducting resin, includes workstation (1), fixed establishment (2) and detection mechanism (3), its characterized in that: the workbench (1) is arranged on the ground, the upper end of the workbench (1) is provided with the fixing mechanism (2), the middle part of the fixing mechanism (2) is provided with the detection mechanism (3), and the detection mechanism (3) is arranged at the upper end of the workbench (1);
the fixing mechanism (2) comprises a vertical frame (20), a first electric sliding block (21), a first electric push rod (22), a plate block (23), a limiting plate (24), a connecting piece (25), a clamping plate (26) and a square plate (27), wherein the vertical frame (20) is symmetrically arranged at the upper end of the workbench (1) in the left-right direction, the first electric sliding block (21) is arranged at the opposite side of the vertical frame (20), the first electric push rod (22) is rotatably arranged at the opposite side of the first electric sliding block (21), the plate block (23) is sleeved at the back end of the first electric push rod (22), the plate block (23) is arranged at the upper end of the workbench (1), the back side of the plate block (23) is in contact with the opposite side of the vertical frame (20), the limiting plate blocks (24) are symmetrically arranged at the front and back of the upper end of the plate block (23), the limiting plate (24) is spliced with the vertical frame (20), the connecting piece (25) is arranged at the opposite end of the first electric push rod (22), clamping plates (26) are arranged on the opposite sides of the connecting pieces (25), square plates (27) are arranged between the clamping plates (26), the square plates (27) are installed on the upper end face of the workbench (1), the connecting pieces (25) are located above the square plates (27), and the clamping plates (26) are located on the opposite corners of the square plates (27);
the detection mechanism (3) comprises a support (30), a top plate (31), a second electric sliding block (32), a vertical plate (33), a round rod (34), a third electric sliding block (35), a connecting piece (36), a second electric push rod (37), a probe (38), a seat plate (39) and a detector (390), wherein the support (30) is symmetrically arranged on the front side and the rear side of the opposite side of the vertical frame (20), the support (30) is arranged at the upper end of the workbench (1), the upper end of the support (30) which is right opposite to the front side and the rear side is connected with the top plate (31), the second electric sliding block (32) is arranged at the lower end of the top plate (31), the vertical plate (33) is arranged at the lower end of the second electric sliding block (32), the round rod (34) is connected between the lower ends of the vertical plates (33), the third electric sliding block (35) is sleeved on the round rod (34), the connecting piece (36) is arranged at the front end of the third electric sliding block (35), no. two electric putter (37) are installed to the front end of linking piece (36), and probe (38) are installed through screw-thread fit to the lower extreme of No. two electric putter (37), and bedplate (39) have been arranged to the rear side of No. three electric slider (35), and bedplate (39) are installed in the upper end of workstation (1), and detector (390) are installed to the upper end of bedplate (39), are connected with the transmission line between the preceding lower extreme of detector (390) and probe (38) upper end, and the transmission line is the elasticity material.
2. The apparatus for detecting the resistance of a conductive paste according to claim 1, wherein: the connecting piece (25) include fixed plate (250), four electronic sliders (251), link plate (252) and extension board (253), the relative end at an electric putter (22) is installed to fixed plate (250), four electronic sliders (251) are installed to the upper end of fixed plate (250), link plate (252) are installed to the upper end of four electronic sliders (251), extension board (253) are installed to the opposite side front and back symmetry of link plate (252), splint (26) rotate through the round pin axle by same two parts and connect, the round pin axle is installed in the rotation of the one end of extension board (253) keeping away from link plate (252), sliding connection between the round pin axle that extension board (253) connect and the side of splint (26).
3. The apparatus for detecting the resistance of a conductive paste according to claim 1, wherein: link up piece (36) include angle scale (360), installation piece (361), square (362) and rotation stopping rod (363), the front end at No. three electronic slider (35) is installed in angle scale (360), installation piece (361) are installed through the round pin hub rotation to the front end of angle scale (360), the front end at installation piece (361) is installed in No. two electric putter (37), square (362) are installed to the both ends symmetry about installation piece (361), No. one through-hole has been seted up to the front end face of square (362), No. two through-holes have been seted up to the front end of angle scale (360), No. two through-holes are evenly arranged along the circumference of angle scale (360), No. one through-hole and No. two through-holes that correspond with its position between the joint have rotation stopping rod (363).
4. The apparatus for detecting the resistance of a conductive paste according to claim 1, wherein: the upper end of round bar (34) turn right from a left side and seted up the joint recess in the equidistance, the joint has vertical board (340) in the recess, vertical board (340) are located the right side of No. three electronic slider (35).
5. The apparatus for detecting the resistance of a conductive paste according to claim 1, wherein: riser (33) be extending structure, No. three through-holes have been seted up to the left end face of the fixed section of riser (33) from up the equidistance down, No. four through-holes have been seted up to the left end face upper end of the removal section of riser (33), the joint has axostylus axostyle (330) between No. three through-holes that No. four through-holes and correspond with its position.
6. The apparatus for detecting the resistance of a conductive paste according to claim 3, wherein: no. two electric putter (37) the left end of promotion end install baffle (370), L template (371) has been arranged to the below of baffle (370), L template (371) are located the left side of probe (38), be connected with extension plate (372) between the rear end of L template (371) and the side of angle scale (360).
7. The apparatus for detecting the resistance of a conductive paste according to claim 1, wherein: the left end face of the top plate (31) is provided with connecting through holes at equal intervals from front to back, and stop rods (310) are clamped in the connecting through holes.
8. The apparatus for detecting the resistance of a conductive paste according to claim 6, wherein: and a spring (373) is arranged on the upper end surface of the front end of the L-shaped plate (371), and the spring (373) is positioned under the left end of the baffle plate (370).
9. The apparatus for detecting the resistance of a conductive paste according to claim 1, wherein: rubber layers (260) are arranged on the opposite sides of the clamping plate (26) and the upper end of the square plate (27).
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| CN202111384575.4A CN113820542B (en) | 2021-11-22 | 2021-11-22 | Resistance detection equipment for conductive adhesive |
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| CN202111384575.4A CN113820542B (en) | 2021-11-22 | 2021-11-22 | Resistance detection equipment for conductive adhesive |
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| CN116736087A (en) * | 2023-08-11 | 2023-09-12 | 山东佰运科技发展有限公司 | Resistance detection equipment |
| CN117214009B (en) * | 2023-11-09 | 2024-01-26 | 睢宁兴港商砼有限公司 | Concrete prefab intensity detection device |
| CN117554779B (en) * | 2023-11-14 | 2024-06-07 | 苏州微飞半导体有限公司 | ACS (auto-seal) testing equipment for vertical conductive adhesive of metal wire and application method of ACS testing equipment |
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