CN109794420B - PCB board test and divide board automation line - Google Patents
PCB board test and divide board automation line Download PDFInfo
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- CN109794420B CN109794420B CN201910100435.6A CN201910100435A CN109794420B CN 109794420 B CN109794420 B CN 109794420B CN 201910100435 A CN201910100435 A CN 201910100435A CN 109794420 B CN109794420 B CN 109794420B
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 64
- 238000005520 cutting process Methods 0.000 claims description 24
- 230000002950 deficient Effects 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 14
- 238000009966 trimming Methods 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 abstract description 3
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- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 14
- 230000009471 action Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
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- 238000010079 rubber tapping Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 2
- 101000608192 Mus musculus Pyruvate carboxylase, mitochondrial Proteins 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
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Abstract
The invention relates to the technical field of automatic equipment, in particular to a PCB test and board separation automatic production line, which comprises a material moving mechanism for conveying an external PCB, a short circuit tester for carrying out short circuit detection on the PCB, a board connecting tester for carrying out functional detection on the PCB, an automatic board separation machine for separating the PCB and a stacker for collecting and packaging the PCB after the board separation, wherein the short circuit tester and the board connecting tester are sequentially arranged along the material moving direction of the material moving mechanism, the automatic board separation machine is arranged on one side of a discharge end of the material moving mechanism, and the stacker is arranged on one side of the discharge end of the automatic board separation machine. The invention has the advantages of simple and compact structure, simple and convenient operation, automatic completion of the whole process, no need of complicated manual operation, great reduction of the manual labor intensity and labor cost, improvement of the production efficiency and standardization and unification of the production quality.
Description
Technical Field
The invention relates to the technical field of automatic equipment, in particular to a PCB testing and separating automatic production line.
Background
In the prior art, when small-sized PCB boards such as mouse PCB boards are used for plug-in production, the small-sized PCB boards are independently used. The production speed is too slow, and the use and design of the production clamp jig are not facilitated. For this purpose, a plurality of platelets are developed to be combined together for the plug-in production. However, there are a number of technical problems when the boards are combined together for production, such as testing the PCB board and dividing the large board into small boards. The test of the PCB is finished by manually operating a semi-automatic machine, and the completion of the PCB is finished by manual folding plates respectively; therefore, basically, each process is performed manually, and since the production quality and the production efficiency are related to the proficiency of operators, the production quality is easily non-uniform, and the production efficiency of manual operation is low and the labor cost is high.
Disclosure of Invention
The invention aims to provide a PCB testing and separating automatic production line which is convenient to operate, capable of realizing automatic production, high in production efficiency and good in production quality, and aims to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The invention provides a PCB test and board separation automatic production line, which comprises a material moving mechanism for conveying an external PCB, a short circuit tester for carrying out short circuit detection on the PCB, a board connecting tester for carrying out functional detection on the PCB, an automatic board separation machine for separating the PCB and a stacker for collecting and packaging the PCB after the board separation, wherein the short circuit tester and the board connecting tester are sequentially arranged along the material moving direction of the material moving mechanism, the automatic board separation machine is arranged on one side of a discharge end of the material moving mechanism, and the stacker is arranged on one side of the discharge end of the automatic board separation machine.
The PCB testing and board separating automatic production line further comprises two defective product marking machines, wherein one defective product marking machine is arranged between the short circuit testing machine and the connecting board testing machine, and the other defective product marking machine is arranged on one side, far away from the short circuit testing machine, of the connecting board testing machine.
Further, the defective product marking machine comprises a marking mechanism and a defective product discharging manipulator which are sequentially arranged along the material moving direction of the material moving mechanism, wherein the marking mechanism comprises a marking bearing plate for bearing a PCB (printed circuit board) conveyed by the material moving mechanism, a plurality of seals movably arranged above the marking bearing plate, a plurality of marking driving pieces for driving the seals to move up and down, an ink box movably arranged between the marking bearing plate and the seals and an ink box moving driving mechanism for driving the ink box to approach or separate from the seals, and each marking driving piece is correspondingly connected with one seal driving piece.
The short circuit testing machine comprises a first testing bearing plate for bearing the PCB conveyed by the material moving mechanism, a first lifting block movably arranged above the first testing bearing plate, a first lifting driving mechanism for driving the first lifting block to lift, a plurality of rotating shafts rotatably arranged on the first lifting block, a first rotating driving mechanism for driving the rotating shafts to rotate and a rotating shaft moving driving mechanism for driving the rotating shafts to transversely move, wherein the rotating shaft moving driving mechanism comprises a first sliding block, a plurality of supporting seats and a sliding block moving driving mechanism, the first sliding blocks are slidably arranged on the upper surface of the first lifting block, the sliding blocks are arranged on the supporting seats and used for driving the first sliding block to move, and the rotating shafts are rotatably arranged on the supporting seats.
The connecting plate testing machine comprises a second testing bearing plate for bearing the PCB conveyed by the material moving mechanism, a second lifting block movably arranged above the second testing bearing plate, a second lifting driving mechanism for driving the second lifting block to lift, a plurality of knocking rods movably arranged on the second lifting block, a plurality of knocking driving members for driving the knocking rods to move up and down, a plurality of sliding strips arranged below the second testing bearing plate in a sliding manner and a sliding driving mechanism for driving the sliding strips to move, wherein each knocking driving member is correspondingly in driving connection with one knocking driving member.
The automatic board dividing machine comprises a conveying line, a PCB board bearing jig arranged on the conveying line, and a feeding manipulator, a board cutting mechanism, a trimming mechanism, a folding plate mechanism and a dust collection mechanism, wherein the feeding manipulator, the board cutting mechanism, the trimming mechanism, the folding plate mechanism and the dust collection mechanism are used for conveying a PCB board output by the board connecting tester to the PCB board bearing jig, and the feeding manipulator, the board cutting mechanism, the trimming mechanism, the folding plate mechanism and the dust collection mechanism are respectively arranged in sequence along the conveying direction of the conveying line.
Further, the folding plate mechanism comprises a PCB bearing jig, a first lifting plate movably arranged above the PCB bearing jig and a third lifting driving mechanism for driving the first lifting plate to lift, wherein the first lifting plate is provided with a first material pressing plate, and two sides of the first material pressing plate are respectively provided with two side pressing blocks and a first lifting driving piece for driving the side pressing blocks to lift; the PCB bearing jig comprises a middle carrier plate, two rotary carrier plates which are respectively and rotatably arranged on two sides of the middle carrier plate, and a carrier plate resetting mechanism for driving the rotary carrier plates to reset, wherein the side edge pressing block is positioned above the rotary carrier plates; the first pressing plate is used for pressing down the middle carrier plate of the PCB bearing jig, and the side pressing block is used for pressing down the rotating carrier plate of the PCB bearing jig and forcing the rotating carrier plate to rotate downwards.
Further, the carrier plate resetting mechanism comprises an elastic lifting part movably arranged below the rotary carrier plate and a rolling part rotatably arranged at one end, close to the rotary carrier plate, of the elastic lifting part, and the rolling part is in contact with the rotary carrier plate.
Further, the plate cutting mechanism comprises a cutter, a cutter moving driving mechanism and a dust collection mechanism, wherein the cutter is arranged above the conveying line in a rotating mode, the cutter moving driving mechanism is used for driving the cutter to move perpendicular to the conveying direction of the conveying line, and the dust collection mechanism is used for compressing a PCB carried by the PCB carrying jig.
Further, the trimming mechanism comprises a second lifting plate movably arranged above the conveying line, a fourth lifting driving mechanism for driving the second lifting plate to lift, a second material pressing plate provided with the second lifting plate, a material punching frame plate arranged around the edge of the second material pressing plate and a second lifting driving piece for driving the material punching frame plate to lift, wherein the second material pressing plate is used for pressing down a middle carrier plate and two rotating carrier plates of the PCB bearing jig.
The invention has the beneficial effects that:
According to the PCB testing and board separating automatic production line, the material moving mechanism firstly moves an external PCB to the short circuit testing machine to conduct short circuit detection on the PCB, after the short circuit detection is completed, the material moving mechanism moves the PCB output by the short circuit testing machine to the board connecting testing machine to conduct functional detection on each item of the PCB, after the functional detection is completed, the material moving mechanism moves the PCB output by the board connecting testing machine to the automatic board separating machine to separate the PCB into small boards, and finally, the stacking machine packages and outputs the separated small boards. The invention has the advantages of simple and compact structure, simple and convenient operation, automatic completion of the whole process, no need of complicated manual operation, great reduction of the manual labor intensity and labor cost, improvement of the production efficiency and standardization and unification of the production quality.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a short circuit tester and a marking mechanism according to the present invention;
FIG. 3 is a schematic view of a portion of a short circuit tester according to the present invention;
FIG. 4 is a schematic diagram of a connection board tester according to the present invention;
FIG. 5 is a schematic view of a part of the structure of the board testing machine of the present invention;
FIG. 6 is a schematic diagram showing an exploded structure of a second test carrier plate, a slider and a sliding driving mechanism according to the present invention;
FIG. 7 is a schematic view of the structure of the reverse side of the second test carrier plate according to the present invention;
FIG. 8 is a schematic structural view of a marking mechanism according to the present invention;
FIG. 9 is a schematic view of an automatic board separator according to the present invention;
FIG. 10 is a schematic view of the structure of the flap mechanism of the present invention;
fig. 11 is a schematic structural diagram of a PCB board carrying jig according to the present invention;
fig. 12 is an exploded view of the PCB board carrier of the present invention;
Fig. 13 is an exploded view of the PCB board carrier of the present invention from another perspective;
fig. 14 is a cross-sectional view of the PCB board carrying jig of the present invention;
FIG. 15 is a schematic view of the structure of the trimming mechanism of the present invention;
FIG. 16 is a schematic view of a cutting plate mechanism according to the present invention;
fig. 17 is a schematic structural diagram of a PCB board in the prior art.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention. The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 17, the automatic production line for testing and separating PCBs provided by the invention comprises a material moving mechanism 5 for conveying external PCBs, a short circuit tester 3 for carrying out short circuit detection on the PCBs, a connecting board tester 2 for carrying out functional detection on the PCBs, an automatic board separating machine 1 for separating the PCBs and a stacker 4 for collecting and packaging the separated PCBs, wherein the short circuit tester 3 and the connecting board tester 2 are sequentially arranged along the material moving direction of the material moving mechanism 5, the automatic board separating machine 1 is arranged on one side of the material discharging end of the material moving mechanism 5, and the stacker 4 is arranged on one side of the material discharging end of the automatic board separating machine 1.
In practical application, the material moving mechanism 5 moves the external PCB to the short circuit testing machine 3 to perform short circuit detection on the PCB, after the short circuit detection is completed, the material moving mechanism 5 moves the PCB output by the short circuit testing machine 3 to the connecting board testing machine 2 to perform various functional detection on the PCB, after the functional detection is completed, the material moving mechanism 5 moves the PCB output by the connecting board testing machine 2 to the automatic board dividing machine 1 to divide the PCB into small PCBs, and finally, the palletizer 4 packs and outputs the separated small PCBs. The invention has the advantages of simple and compact structure, simple and convenient operation, automatic completion of the whole process, no need of complicated manual operation, great reduction of the manual labor intensity and labor cost, improvement of the production efficiency and standardization and unification of the production quality.
In this technical scheme, referring to fig. 1, the automatic production line for testing and separating the PCB boards further includes two defective product marking machines 21, wherein one defective product marking machine 21 is disposed between the short circuit testing machine 3 and the connecting board testing machine 2, and the other defective product marking machine 21 is disposed on one side of the connecting board testing machine 2 far away from the short circuit testing machine 3. When the short circuit testing machine 3 or the connecting plate testing machine 2 detects that the unqualified PCB is produced, the material moving mechanism 5 moves the unqualified PCB to the corresponding unqualified product marking machine 21 for carrying out unqualified product marking on the unqualified PCB so that a user can identify the unqualified product and rework the unqualified product.
In this technical scheme, referring to fig. 1 and 8, the defective product marking machine 21 includes a marking mechanism 22 and a defective product unloading manipulator 23 that are sequentially disposed along a material moving direction of the material moving mechanism 5, where the marking mechanism 22 includes a marking carrier plate 221 for carrying a PCB board conveyed by the material moving mechanism 5, a plurality of stamps 222 movably disposed above the marking carrier plate 221, a plurality of marking driving pieces 223 for driving the stamps 222 to move up and down, an ink box 224 movably disposed between the marking carrier plate 221 and the stamps 222, and an ink box 224 moving driving mechanism for driving the ink box 224 to approach or separate from the stamps 222, and each marking driving piece 223 is correspondingly connected with one stamp 222 in a driving manner.
In practical application, when the short circuit tester 3 or the connection board tester 2 detects that there is a defective product, the material moving mechanism 5 moves the defective PCB onto the marking carrier plate 221, the ink box moving driving mechanism 225 drives the ink box 224 to move to the lower side of the seal 222, and the marking driving member 223 drives the seal 222 to descend so as to make the seal 222 contact with the ink box 224, thereby dipping the seal 222 with ink; then, the ink box moving driving mechanism 225 drives the ink box 224 to move out between the seal 222 and the marking carrier 221, and then the marking driving piece 223 drives the seal 222 to descend so as to mark the PCB. Each seal 222 corresponds to one of the small PCB boards on the PCB board respectively, and when the seal is marked, only the small PCB board which is detected to be unqualified on the PCB board can be marked by the corresponding seal 222, so that the specific position of the defective product is marked, and the subsequent repair is facilitated. After the defective products are marked, the defective product discharging manipulator 23 moves the defective products out of the material moving mechanism 5 and moves the defective products to an external conveying belt so as to facilitate the collection and treatment of the defective products.
In this technical solution, referring to fig. 1 to 3, the short circuit tester 3 includes a first test carrier plate 31 for carrying the PCB board conveyed by the material moving mechanism 5, a first lifting block 32 movably disposed above the first test carrier plate 31, a first lifting driving mechanism 33 for driving the first lifting block 32 to lift, a plurality of rotation shafts 312 rotatably disposed on the first lifting block 32, a first rotation driving mechanism 313 for driving the rotation shafts 312 to rotate, and a rotation shaft movement driving mechanism for driving the rotation shafts 312 to move laterally, where the rotation shaft movement driving mechanism includes a first sliding block 341 slidably disposed on an upper surface of the first lifting block 32, a plurality of support bases 311 disposed on the first sliding block 341, and a sliding block movement driving mechanism 342 for driving the first sliding block 341 to move, and the rotation shafts 312 are rotatably disposed on the support bases 311.
In practical application, a roller encoder is arranged on the PCB, and in short circuit test, the roller encoder needs to be subjected to short circuit test, and the test needs to be performed by rotating the roller encoder. Therefore, the short circuit tester 3 inserts the rotating shaft 312 into the shaft hole of the roller encoder, and drives the rotating shaft 312 to rotate so as to drive the roller encoder to rotate, thereby detecting the roller encoder. When the device works, the material moving mechanism 5 moves and fixes the external PCB onto the first test bearing plate 31, the first lifting driving mechanism 33 drives the first lifting block 32 to descend, and the first lifting block 32 descends to drive the plurality of rotating shafts 312 to descend until the axes of the rotating shafts 312 are overlapped with the axes of the shaft holes of the roller encoders; then the first sliding block 341 is driven by the sliding block moving driving mechanism 342 to move, the movement of the first sliding block 341 drives the rotating shaft 312 to move transversely, so that the rotating shaft 312 is inserted into the shaft hole of the roller encoder, and the first rotating driving mechanism 313 drives the rotating shaft 312 to rotate, so that the roller encoder is driven to rotate, and the short circuit detection of the roller encoder is realized.
In this technical solution, referring to fig. 1, 4 and 5, the board connecting tester 2 includes a second test carrier plate 215 for carrying the PCB board conveyed by the material moving mechanism 5, a second lifting block 211 movably disposed above the second test carrier plate 215, a second lifting driving mechanism 218 for driving the second lifting block 211 to lift, a plurality of tapping rods 212 movably disposed on the second lifting block 211, a plurality of tapping driving members 213 for driving the tapping rods 212 to move up and down, a plurality of sliding strips 216 slidably disposed below the second test carrier plate 215, and a sliding driving mechanism 217 for driving the sliding strips 216 to move, where each tapping driving member 213 is correspondingly in driving connection with one tapping driving member 213. In practical application, the material moving mechanism 5 moves the PCB board with the output amount of the short circuit tester 3 onto the second test carrier plate 215, and then the second lifting driving mechanism 218 drives the second lifting block 211 to descend, so that the knocking rod 212 is in conflict with the keys on the PCB board, the knocking driving member 213 drives the knocking rod 212 to move up and down, and the up and down movement of the knocking rod 212 can knock the keys on the PCB board to detect whether the signals are output or not, so as to determine whether the keys are normal or not; meanwhile, the slide driving mechanism 217 drives the slide bar 216 to move below the second test carrier plate 215, at this time, light emitted by the light emitting element on the PCB board will strike the slide bar 216 and reflect to the photoelectric sensor on the PCB board, and the movement of the slide bar 216 can detect the sensitivity of the photoelectric sensor. Specifically, the second test carrier plate 215 is provided with a plurality of light holes 2151 corresponding to the positions of the plurality of photoelectric sensors on the PCB board, and the light holes 2151 are provided with light reflecting blocks 2152; the lower surface of the second test carrier plate 215 is transversely or longitudinally provided with a plurality of first sliding grooves 2153 communicated with the light holes 2151, and the sliding strips 216 are slidably arranged in the first sliding grooves 2153 and are used for covering the light holes 2151. Specifically, the number of the light holes 2151 is plural, the light holes 2151 are rectangular and arrayed on the test carrier, and the first sliding groove 2153 is a linear sliding groove disposed below each row of the light holes 2151. Light emitted by the light emitting element on the PCB is emitted to the slide bar 216 through the light reflecting block 2152 and reflected to the photoelectric sensor, and the slide driving mechanism 217 drives the slide bar 216 to move back and forth in the linear chute, so that the light receiving performance of the PCB is tested.
In this technical scheme, referring to fig. 9, the automatic board separator 1 includes a conveying line 16, a PCB board bearing jig 12 disposed on the conveying line 16, a feeding manipulator 17 for transferring the PCB board output by the board connecting tester 2 to the PCB board bearing jig 12, a board cutting mechanism 15, a trimming mechanism 14, a folding plate mechanism 11 and a dust collection mechanism 18, wherein the feeding manipulator 17, the board cutting mechanism 15, the trimming mechanism 14, the folding plate mechanism 11 and the dust collection mechanism 18 are respectively disposed in sequence along the transferring direction of the conveying line 16.
In practical application, as shown in fig. 17, a PCB board generally has a rim charge 102 surrounding and connecting a plurality of small PCB boards 101 together, and in the production process, the rim charge 102 on the PCB board needs to be removed first and then the plurality of small PCB boards 101 are separated. When the PCB is tested, the feeding manipulator 17 transfers the PCB output by the connecting plate testing machine 2 to the PCB bearing jig 12, and then the conveying line 16 drives the PCB bearing jig 12 to move to the scrap removing mechanism 14 so as to remove the frame scraps of the PCB borne by the PCB bearing jig 12; after the frame edge materials of the PCB are removed, the conveying line 16 drives the PCB bearing jig 12 to move to the cutting mechanism 15 so as to cut the longitudinal connection parts among the small PCBs of the PCB borne by the PCB bearing jig 12; finally, the conveying line 16 drives the PCB bearing jig 12 to move to the folding plate mechanism 11 to bend the transverse connection part of the PCB borne by the PCB bearing jig 12 so as to simulate the action of manual folding plates and further separate the small PCBs; after the separation of the boards, the PCB bearing jig 12 bears each small PCB and moves to the dust collection mechanism 18 for dust collection and cleaning; after dust removal cleaning is completed, the PCB bearing jig 12 bears all the small PCBs and moves to the feeding end of the stacker 4, and the stacker 4 collects and packages all the small PCBs on the PCB bearing jig 12. Specifically, the conveying line 16 is an existing linear module, and the PCB board carrying jig 12 is mounted on a slider of the linear module.
In this technical solution, referring to fig. 10, the folding plate mechanism 11 includes a PCB board bearing fixture 12, a first lifting plate 13 movably disposed above the PCB board bearing fixture 12, and a third lifting driving mechanism 132 for driving the first lifting plate 13 to lift, where the first lifting plate 13 is provided with a first pressing plate 136, and two sides of the first pressing plate 136 are respectively provided with two side pressing blocks 133 and a first lifting driving member 135 for driving the side pressing blocks 133 to lift; the PCB board bearing jig 12 includes a middle carrier plate 121, two rotating carrier plates 122 rotatably disposed on two sides of the middle carrier plate 121, and a carrier plate resetting mechanism 131 for driving the rotating carrier plates 122 to reset, where the side pressing blocks 133 are located above the rotating carrier plates 122; the first pressing plate 136 is used for pressing down the middle carrier plate 121 of the PCB board bearing jig 12, and the side pressing block 133 is used for pressing down the rotating carrier plate 122 of the PCB board bearing jig 12 and forcing the rotating carrier plate 122 to rotate downward. In practical application, the external PCB is placed on the PCB carrier 12, and the third lifting driving mechanism 132 drives the first lifting board 13 to descend, so that the first pressing board 136 moves close to the PCB carrier 12 and presses the PCB onto the middle carrier 121; then, the first lifting driving member 135 drives the side pressing block 133 to descend, so that the side pressing block 133 abuts against and presses down a part of the PCB board carried by the rotating carrier plate 122, and at this time, the rotating carrier plate 122 rotates downward to a preset angle when receiving the pressing force of the side pressing block 133; in the rotation process of the rotating carrier plate 122, the side pressing blocks 133 always press the PCB on the rotating carrier plate 122, and along with the rotation of the rotating carrier plate 122, the part of the PCB pressed down by the side pressing blocks 133 is broken, so that automatic folded plates of the PCB are realized; after the folding plate is completed, the lateral pressing block 133 moves away from the rotating carrier plate 122, and the rotating carrier plate 122 is reset to the original position under the action of the carrier plate reset mechanism 131, so that the folding plate action of the next PCB board is performed. The folding plate mechanism 11 has the advantages of simple and compact structural design, stable and reliable operation, and capability of simulating the action of manual folding plates and realizing automatic folding plates of a machine, so that the quality unification and standardization of the folding plate process are realized, the production efficiency is greatly improved, the labor cost is reduced, and the rejection rate of products is reduced.
In this embodiment, referring to fig. 10 and 12, the carrier plate resetting mechanism 131 includes an elastic lifting member 1311 movably disposed below the rotating carrier plate 122 and a rolling member 1315 rotatably disposed at one end of the elastic lifting member 1311 near the rotating carrier plate 122, where the rolling member 1315 abuts against the rotating carrier plate 122. In practical applications, when the rotation carrier 122 rotates downward, the first pulley 1251 at one end of the rotation guide 125 moves upward along the second sliding groove 1241, the second pulley 1252 at the other end of the rotation guide 125 moves downward along the third sliding groove 1242, and the rotation guide 125 can stably rotate around one side of the middle carrier 121 under the guidance of the second sliding groove 1241 and the third sliding groove 1242 of the rotation guide 124. The design of the structure is simple, compact and ingenious, the matching of the sliding groove and the pulley can enable the rotation angle of the rotation carrier plate 122 to be more accurate, the rotation is more stable and smooth, and therefore the production efficiency and the production quality of the invention are improved.
In this technical solution, referring to fig. 10 and 12, the PCB board bearing jig 12 further includes a rotation guide plate 124 and a jig bottom plate 123 located below the middle carrier plate 121, where two ends of the middle carrier plate 121 are connected to the jig bottom plate 123 via the rotation guide plate 124; the one end that is close to middle part carrier plate 121 of rotation deflector 124 is equipped with second spout 1241, and the one end that is close to tool bottom plate 123 of rotation deflector 124 is equipped with third spout 1242, the both ends of rotation deflector 122 all are provided with rotation guide 125, the horizontal one end of rotation guide 125 is protruding to stretch to second spout 1241 and rotate and be provided with first pulley 1251, first pulley 1251 slides and sets up in second spout 1241, the vertical one end of rotation guide 125 is protruding to third spout 1242 and rotates and be provided with second pulley 1252, second pulley 1252 slides and sets up in third spout 1242. Specifically, the second sliding groove 1241 is disposed obliquely upward, and the third sliding groove 1242 is disposed obliquely upward in a direction opposite to the second sliding groove 1241; the rotation guide 125 has an L shape. The design of the structure is simple, compact and ingenious, the matching of the sliding groove and the pulley can enable the rotation angle of the rotation carrier plate 122 to be more accurate, the rotation is more stable and smooth, and therefore the production efficiency and the production quality of the invention are improved.
In this technical solution, referring to fig. 11 and 13, the PCB board bearing fixture 12 further includes a carrier balancing device 138 for maintaining the balance of the rotating carrier 122 during the rotation process, the carrier balancing device 138 includes a second sliding block 1381 slidably disposed below the rotating carrier 122, a second rotating roller 1382 rotatably disposed on the second sliding block 1381, and a reset elastic member 1383 for driving the second sliding block 1381 to reset, a receiving cavity 1384 for receiving the second rotating roller 1382 is disposed on a lower surface of the rotating carrier 122, and a second inclined surface 1385 is disposed on a sidewall of the receiving cavity 1384 away from the middle carrier 121. Specifically, the second inclined surface 1385 is disposed obliquely downward from the top of the accommodating cavity 1384 in a direction gradually away from the middle carrier 121 from top to bottom; the return elastic member 1383 is a spring; in the present embodiment, two ends of the second sliding block 1381 are respectively provided with a second rotating roller 1382, two ends of the lower surface of the rotating carrier plate 122 are respectively provided with two accommodating cavities 1384 corresponding to the positions of the two second rotating rollers 1382, and the two second rotating rollers 1382 are respectively used for supporting two ends of the rotating carrier plate 122, so that the rotating carrier plate 122 is uniformly supported, and the rotation is more stable.
In this technical solution, referring to fig. 10 and 15, the trimming mechanism 14 includes a second lifting plate 141 movably disposed above the conveying line 16, a fourth lifting driving mechanism 142 for driving the second lifting plate 141 to lift, a second pressing plate 143 provided with the second lifting plate 141, a punching frame plate 144 disposed around an edge of the second pressing plate 143, and a second lifting driving member 145 for driving the punching frame plate 144 to lift, where the second pressing plate 143 is used for pressing the middle carrier plate 121 and the two rotating carrier plates 122 of the PCB board bearing fixture 12. Specifically, as shown in fig. 17, the PCB board generally has a rim charge 102 surrounding and connecting a plurality of small PCB boards 101, and in the production process, the rim charge 102 on the PCB board needs to be removed before separating the boards, so the PCB board carrying jig 12 is used for supporting the small PCB boards 101 within the rim charge 102 of the PCB board, the rim charge 102 is located outside the PCB board carrying jig 12, and when the punching frame 144 descends, the rim charge 102 can be punched from the PCB board. In practical application, the conveying line 16 drives the PCB board bearing jig 12 to move below the second pressing plate 143, and the fourth lifting driving mechanism 142 drives the second lifting plate 141 to descend and collide with the PCB board borne by the PCB board bearing jig 12, so as to compress and fix the part of the frame rim charge of the PCB board on the middle carrier plate 121 and the two rotating carrier plates 122 of the pressing PCB board bearing jig 12; then, the second lifting driving member 145 drives the material punching frame plate 144 to descend and to collide with the frame rim charge on the PCB board, when the material punching frame plate 144 descends to a preset position, the material punching frame plate 144 punches away the frame rim charge on the PCB board, so that the frame rim charge is separated from the PCB board, and the removal of the frame rim charge of the PCB board is realized.
In this technical solution, referring to fig. 10 and 16, the board cutting mechanism 15 includes a cutter 151 rotatably disposed above the conveying line 16, a cutter moving driving mechanism 152 for driving the cutter 151 to move perpendicular to the feeding direction of the conveying line 16, and a pressing assembly 153 for pressing the PCB board carried by the PCB board carrying jig 12. Specifically, the pressing assembly 153 includes two pressing blocks 1531 crossing the conveying line 16 and arranged in parallel at intervals, a plurality of pressing columns 1532 arranged on the pressing blocks 1531, and a third lifting driving member 1533 for driving the pressing blocks 1531 to lift, and the cutter 151 is located between the two pressing blocks 1531. In practical application, after the removal of the rim charge is completed on the PCB, the conveyor line 16 drives the PCB carrying jig 12 to leave the rim charge removing mechanism 14 and move below the material pressing assembly 153, so that the connection position of the first longitudinal small PCB on the PCB carried by the PCB carrying jig 12 is located under the cutter 151; then the third lifting driving piece 1533 drives the pressing block 1531 to descend and enable the pressing column 1532 to press and fix the PCB carried by the PCB carrying jig 12, then the cutter moving driving mechanism 152 drives the rotating cutter 151 to move from one side of the conveying line 16 to the other side of the conveying line 16, at this time, the cutter 151 moves over the PCB carrying jig 12 and collides with the surface of the PCB and cuts the connection of the small PCB, after the cutter 151 moves out of the conveying line 16, the third lifting driving piece 1533 drives the pressing block 1531 to ascend and release the pressing of the PCB, the conveying line 16 drives the PCB carrying jig 12 to move for a small distance so that the connection of the second longitudinal small PCB on the PCB is located under the cutter 151, then the pressing assembly 153 presses the PCB, and the cutter moving driving mechanism 152 drives the rotating cutter 151 to move back from the other side of the conveying line 16 so as to cut the connection of the second longitudinal small PCB on the PCB; the cutting mechanism 15 continuously repeats the above actions until a plurality of longitudinal joints between small PCBs on the PCB are cut. The plate cutting mechanism 15 has simple and compact structural design, stable and reliable operation, high working efficiency, accurate cutting and high cutting quality.
In this embodiment, referring to fig. 11, the upper surface of the middle carrier 121 and the upper surface of the rotating carrier 122 are both provided with a cutting blade 127. Specifically, the number of the cutting blades 127 is plural, the plurality of cutting blades 127 are arranged at intervals in a direction perpendicular to the rotation axis 312 of the rotation carrier 122, and the positions of the cutting blades 127 correspond to the positions of the connection parts between the small PCBs on the PCB board carried by the PCB board carrying jig 12. In practical application, when the PCB board carried by the PCB board carrying jig 12 is folded, the cutting blade 127 can cut off each small PCB board on the PCB board so as to separate each small PCB board of the PCB board.
In summary, the working process of the automatic board dividing machine 1 is as follows: the PCB board bearing jig 12 bears the PCB board to be split and moves to the trimming mechanism 14, and the trimming mechanism 14 punches out the frame rim charge of the PCB board by the punching frame plate 144; then the PCB board bearing jig 12 bears the PCB board after the frame rim charge is removed and moves to the board cutting mechanism 15, and a cutter 151 of the board cutting mechanism 15 cuts a plurality of longitudinal connecting positions among all the small PCB boards on the PCB board so as to separate all the small PCB boards on the PCB board in the longitudinal direction; then the PCB board that PCB board bears tool 12 bears and accomplishes the cutting removes to folding plate mechanism 11, folding plate mechanism 11's first pressure flitch 136 pushes down the mid portion of PCB board, two side down-pressing pieces 133 of rethread first pressure flitch 136 both sides cooperate the rotation downwards of rotation carrier plate 122 to realize pushing down the bending to the both sides part of PCB board, and then make the transverse connection department between each little PCB board on the PCB board realize separating, thereby make realize complete separation between each little PCB board on the PCB board, realize the automatic board that divides of machine.
The present invention is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present invention.
Claims (6)
1. A PCB board test and divide board automation line, its characterized in that: the PCB stacking machine comprises a material moving mechanism used for conveying an external PCB, a short circuit testing machine used for carrying out short circuit detection on the PCB, a connecting plate testing machine used for carrying out functional detection on the PCB, an automatic board separating machine used for separating the PCB and a stacking machine used for collecting and packaging the PCB after separating the PCB, wherein the short circuit testing machine and the connecting plate testing machine are sequentially arranged along the material moving direction of the material moving mechanism, the automatic board separating machine is arranged on one side of a discharge end of the material moving mechanism, and the stacking machine is arranged on one side of a discharge end of the automatic board separating machine; the automatic board splitting machine comprises a conveying line, a PCB bearing jig arranged on the conveying line, and a feeding manipulator, a board cutting mechanism, a trimming mechanism, a folding plate mechanism and a dust collection mechanism which are used for conveying a PCB output by the board connecting tester to the PCB bearing jig, wherein the feeding manipulator, the board cutting mechanism, the trimming mechanism, the folding plate mechanism and the dust collection mechanism are sequentially arranged along the conveying direction of the conveying line; the folding plate mechanism comprises a PCB bearing jig, a first lifting plate movably arranged above the PCB bearing jig and a third lifting driving mechanism for driving the first lifting plate to lift, wherein the first lifting plate is provided with a first pressing plate, and two sides of the first pressing plate are respectively provided with two side pressing blocks and a first lifting driving piece for driving the side pressing blocks to lift; the PCB bearing jig comprises a middle carrier plate, two rotary carrier plates which are respectively and rotatably arranged on two sides of the middle carrier plate, and a carrier plate resetting mechanism for driving the rotary carrier plates to reset, wherein the side edge pressing block is positioned above the rotary carrier plates; the first pressing plate is used for pressing down the middle carrier plate of the PCB bearing jig, and the side pressing block is used for pressing down the rotating carrier plate of the PCB bearing jig and forcing the rotating carrier plate to rotate downwards; the carrier plate reset mechanism comprises an elastic lifting part and a rolling part, the elastic lifting part is movably arranged below the rotary carrier plate, the rolling part is rotatably arranged at one end of the elastic lifting part, which is close to the rotary carrier plate, and the rolling part is in contact with the rotary carrier plate; the PCB testing and board separating automatic production line further comprises two defective product marking machines, wherein one defective product marking machine is arranged between the short circuit testing machine and the connecting board testing machine, and the other defective product marking machine is arranged on one side, far away from the short circuit testing machine, of the connecting board testing machine.
2. The automated PCB testing and board separation production line according to claim 1, wherein: the defective product marking machine comprises a marking mechanism and a defective product discharging manipulator which are sequentially arranged along the material moving direction of the material moving mechanism, wherein the marking mechanism comprises a marking bearing plate for bearing a PCB (printed circuit board) conveyed by the material moving mechanism, a plurality of seals movably arranged above the marking bearing plate, a plurality of marking driving pieces for driving the seals to move up and down, ink boxes movably arranged between the marking bearing plate and the seals and an ink box moving driving mechanism for driving the ink boxes to approach or separate from the seals, and each marking driving piece is correspondingly connected with one seal driving piece.
3. The automated PCB testing and board separation production line according to claim 1, wherein: the short circuit testing machine comprises a first test bearing plate for bearing the PCB conveyed by the material moving mechanism, a first lifting block movably arranged above the first test bearing plate, a first lifting driving mechanism for driving the first lifting block to lift, a plurality of rotating shafts rotatably arranged on the first lifting block, a first rotating driving mechanism for driving the rotating shafts to rotate and a rotating shaft moving driving mechanism for driving the rotating shafts to transversely move, wherein the rotating shaft moving driving mechanism comprises a first sliding block, a plurality of supporting seats and a sliding block moving driving mechanism, the sliding blocks are arranged on the upper surface of the first lifting block, the sliding blocks are used for driving the first sliding block to move, and the rotating shafts are rotatably arranged on the supporting seats.
4. The automated PCB testing and board separation production line according to claim 1, wherein: the connecting plate testing machine comprises a second testing bearing plate for bearing the PCB conveyed by the material moving mechanism, a second lifting block movably arranged above the second testing bearing plate, a second lifting driving mechanism for driving the second lifting block to lift, a plurality of knocking rods movably arranged on the second lifting block, a plurality of knocking driving members for driving the knocking rods to move up and down, a plurality of sliding strips arranged below the second testing bearing plate in a sliding manner and a sliding driving mechanism for driving the sliding strips to move, wherein each knocking driving member is correspondingly connected with one knocking driving member in a driving manner.
5. The automated PCB testing and board separation production line according to claim 1, wherein: the plate cutting mechanism comprises a cutter, a cutter moving driving mechanism and a dust collection mechanism, wherein the cutter is arranged above the conveying line in a rotating mode, the cutter moving driving mechanism is used for driving the cutter to move perpendicular to the conveying direction of the conveying line, and the dust collection mechanism is used for compressing a PCB carried by the PCB carrying jig.
6. The automated PCB testing and board separation production line according to claim 1, wherein: the trimming mechanism comprises a second lifting plate movably arranged above the conveying line, a fourth lifting driving mechanism used for driving the second lifting plate to lift, a second material pressing plate provided with the second lifting plate, a material punching frame plate arranged around the edge of the second material pressing plate and a second lifting driving piece used for driving the material punching frame plate to lift, wherein the second material pressing plate is used for pressing down a middle carrier plate and two rotating carrier plates of the PCB bearing jig.
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| CN201910100435.6A CN109794420B (en) | 2019-01-31 | 2019-01-31 | PCB board test and divide board automation line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910100435.6A CN109794420B (en) | 2019-01-31 | 2019-01-31 | PCB board test and divide board automation line |
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| CN109794420A CN109794420A (en) | 2019-05-24 |
| CN109794420B true CN109794420B (en) | 2024-08-02 |
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| CN115303594A (en) * | 2022-07-25 | 2022-11-08 | 苏州利华科技股份有限公司 | Automatic mark device that pastes of PCB board convenient to skew is prevented in centre gripping |
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| CN109794420A (en) | 2019-05-24 |
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