Lithium battery function test equipment
Technical Field
The invention relates to a battery test device, in particular to a lithium battery function test device.
Background
In the production process of lithium battery products, some small-size workpieces are often required to be clamped, and the workpieces are further driven to be carried and the like. The Flexible Printed Circuit (FPC) is a special workpiece, the FPC is an electric connection part in a lithium battery testing process, a testing mechanism needs to test the performance of a battery by butting the FPC, the FPC on the lithium battery is small in size, thin and soft, if the FPC is not clamped properly, the problems of deformation, bending, offset, dislocation and the like are very easy to occur, the precision requirement of an electronic product cannot be met, and even the circuit in the FPC is damaged; when the FPC is butted with a testing mechanism, if the FPC is inaccurately positioned, the problems of test failure and the like can be caused.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a lithium battery function testing device.
The purpose of the invention is realized by the following technical scheme: a lithium battery function test device comprises a machine table, wherein the machine table is provided with a carrying mechanical arm, a CCD correction platform, a rotary feeding mechanism, an FPC positioning mechanism, a feeding mechanical arm, a plurality of test mechanisms arranged at intervals, an NG conveyor line and an OK product conveyor line, the conveying manipulator conveys the battery to the position right above the CCD correction platform for position correction and conveys the corrected battery to the rotary feeding mechanism, the rotary feeding mechanism rotates 180 degrees to convey the battery to the FPC positioning mechanism, the FPC positioning mechanism positions the FPC on the battery, the feeding and discharging manipulator takes the battery from the FPC positioning mechanism and places the battery on the testing mechanism for testing, the testing mechanism tests the battery, OK products are conveyed to the OK product conveying line by the feeding and discharging mechanical arm to be sent out, and NG products are conveyed to the NG conveying line by the feeding and discharging mechanical arm to be sent out.
As an improvement of the lithium battery function testing equipment, the rotary feeding mechanism comprises a rotary cylinder mounting seat, a rotary cylinder is arranged on the rotary cylinder mounting seat, the rotary cylinder controls a feeding plate to rotate, and battery adsorption positioning platforms are arranged at two ends of the feeding plate.
As an improvement of the lithium battery function testing device, the FPC positioning mechanism comprises a positioning platform, an FPC left pressing mechanism, an FPC right pressing mechanism and an FPC clamping mechanism are arranged on the positioning platform, the battery is rotationally fed into a pre-positioning position by the rotary feeding mechanism, the FPC clamping mechanism acts to clamp a horizontal section of the battery FPC, and the FPC left pressing mechanism and the FPC right pressing mechanism tightly press a vertical section of the battery FPC.
As an improvement of the lithium battery function testing device, the FPC clamping mechanism comprises a clamping mounting seat, a left abutting mechanism is arranged on one side of the clamping mounting seat, a right abutting mechanism is arranged on the other side of the clamping mounting seat, a finger cylinder is arranged on the right abutting mechanism, and the finger cylinder controls two clamping fingers to clamp a horizontal section of the FPC.
As an improvement of the lithium battery function testing device, the left abutting mechanism comprises a left abutting cylinder, a piston rod end of the left abutting cylinder is provided with a left abutting platform, the left abutting platform is provided with an adsorption platform, and the adsorption platform can abut against the bottom surface of the FPC horizontal section when the left abutting cylinder controls the left abutting platform to ascend to a specified position;
the right supporting mechanism comprises a right supporting cylinder, a right supporting platform is arranged at the end of a piston rod of the right supporting cylinder, a supporting plate is arranged in the middle of the upper end of the right supporting platform, a finger cylinder mounting plate is further arranged on the right supporting platform, the supporting plate is located between two clamping fingers, the right supporting cylinder controls the right supporting platform to ascend to an appointed position, the supporting plate supports against the bottom surface of the horizontal section of the FPC, and the finger cylinder controls two clamping fingers to clamp two sides of the horizontal section of the FPC.
As an improvement of the lithium battery function testing equipment, the FPC left pressing mechanism comprises a left pressing platform, a left pressing transverse control cylinder is arranged on the left pressing platform, a left pressing longitudinal control cylinder is arranged on the left pressing transverse control cylinder, a vertical cylinder mounting plate is arranged on the left pressing longitudinal control cylinder, a vertical control cylinder and a left pressing plate are arranged on the vertical cylinder mounting plate, and the vertical control cylinder controls a lower pressing plate to move; the lower pressing plate and the left pressing plate are arranged in a staggered mode, and the lower pressing plate is Z-shaped.
The left pressing transverse control cylinder and the left pressing longitudinal control cylinder control the vertical control cylinder and the left pressing plate to move to the left side position of the FPC vertical section for positioning, and the vertical control cylinder controls the lower pressing plate to press down on the upper plane of the FPC horizontal section;
the FPC right pressing mechanism comprises a right pressing cylinder mounting table, a right pressing cylinder is arranged on the right pressing cylinder mounting table, and the right pressing cylinder controls an L-shaped pressing plate to move to the right position of the FPC vertical section for positioning.
As an improvement of the lithium battery function testing device, the testing mechanism comprises a testing platform, a battery adsorption platform and an FPC positioning platform are arranged on the testing platform, a testing hole is formed in the FPC positioning platform, a testing thimble cylinder is arranged at the bottom of the testing platform, and the testing thimble cylinder controls a thimble to extend into the testing hole and to be in contact with an FPC contact end of the battery.
As an improvement of the lithium battery function testing equipment, the testing platform is further provided with an FPC pressing plate mechanism and an FPC rotating and positioning mechanism, the FPC pressing plate mechanism comprises a pressing plate cylinder, a piston rod end of the pressing plate cylinder is provided with a pressing cylinder, one side of the pressing cylinder is connected with an FPC pressing plate through a sliding rail and a sliding block, the pressing plate cylinder can control the FPC pressing plate to move right above the FPC, and the pressing cylinder drives the FPC pressing plate to press the FPC;
the FPC rotation positioning mechanism comprises a rotation positioning air cylinder, and the rotation positioning air cylinder controls a rotation pressing plate to rotate and press the FPC for positioning.
As an improvement of the lithium battery function testing equipment, the feeding and discharging manipulator comprises a double-acting transverse moving module, and the double-acting transverse moving module controls a feeding mechanism and a discharging mechanism to transversely move and take materials; the feeding mechanism takes the batteries from the FPC positioning mechanism and places the batteries on the testing mechanism for testing, the discharging mechanism takes the tested batteries from the testing mechanism, the tested OK batteries are conveyed to an OK product conveying line to be sent out, and NG products are conveyed to an NG conveying line by a feeding and discharging mechanical arm to be sent out;
the feeding mechanism comprises a lifting servo module, a CCD mechanism is arranged on one side of the lifting servo module, a battery taking mechanism is arranged on the other side of the lifting servo module, the lifting servo module can control the battery taking mechanism to lift, the battery taking mechanism comprises an FPC clamping cylinder and a battery sucker, the FPC clamping cylinder is located on one side of the battery sucker, and the CCD mechanism can take pictures to determine the placement positions of the battery and the FPC;
the blanking mechanism comprises a blanking lifting servo module, the blanking lifting servo module controls the lifting of the blanking plate, and a blanking sucker is arranged at the bottom of the blanking plate.
As an improvement of the lithium battery function testing equipment, the machine table is also provided with a feeding conveying line and a retest conveying line, the discharge end of the feeding conveying line is provided with two turnover mechanisms, each turnover mechanism comprises a turnover cylinder, the turnover cylinders control a material taking plate to rotate, and the end parts of the material taking plates are provided with battery adsorption plates; the carrying manipulator takes the batteries from the feeding conveying line and puts the batteries into the retest conveying line, and then takes the batteries from the retest conveying line;
NG transfer chain is provided with many, and many NG transfer chains can carry the battery of different NG types.
The invention has the beneficial effects that: the lithium battery function testing equipment disclosed by the invention is realized in a full-automatic manner, and the whole process of loading and unloading is realized by a mechanical arm, so that the labor cost is saved. The FPC positioning mechanism can position the special-shaped (or L-shaped) FPC, can prevent the FPC from deforming, is convenient for adsorbing the FPC together when the material taking manipulator takes the battery, and ensures the stability of the FPC in the moving process of the battery. The testing mechanism utilizes the FPC pressing mechanism and the FPC rotating and positioning mechanism to enable the FPC to be tightly connected with the testing terminal, and the problems of poor electrical contact and the like can be solved.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a perspective view of the loading and unloading robot of the present invention.
FIG. 3 is a top view of a single testing mechanism of the present invention.
Fig. 4 is a perspective view of one direction of the FPC positioning mechanism of the present invention.
FIG. 5 is a perspective view of the FPC positioning mechanism of the present invention in another direction.
Fig. 6 is a top view of the FPC positioning mechanism of the present invention.
Fig. 7 is a perspective view of the FPC holding mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention without any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in figures 1-7, a lithium battery function testing device comprises a machine table 6, a carrying manipulator 7, a CCD correction platform 8, a rotary feeding mechanism 2, an FPC positioning mechanism 9, a loading and unloading manipulator 10, a plurality of testing mechanisms 11 arranged at intervals, a plurality of NG conveying lines 12 and an OK product conveying line 13 are arranged on the machine table 6, the carrying manipulator 7 conveys batteries to the position right above the CCD correction platform 8 for position correction and conveys the corrected batteries to the rotary feeding mechanism 2, the rotary feeding mechanism 2 rotates 180 degrees to convey the batteries to the FPC positioning mechanism 9, the FPC positioning mechanism 9 positions the FPC on the batteries, the loading and unloading manipulator 10 takes the batteries from the FPC positioning mechanism 9 and puts the batteries on the testing mechanism 11 for testing, the testing mechanism 11 tests the batteries, and the OK product is conveyed to the OK product conveying line 13 by the loading and unloading manipulator 10 to send out, The NG products are conveyed to an NG conveying line 12 by a loading and unloading manipulator 10 and sent out. The invention tests simultaneously by two lines, and both the two test lines are provided with a plurality of test mechanisms 11. The two feeding and discharging manipulators 10 are arranged (in a back-to-back arrangement mode).
Preferably, the rotary feeding mechanism 2 comprises a rotary cylinder mounting seat 21, a rotary cylinder 22 is arranged on the rotary cylinder mounting seat 21, the rotary cylinder 22 controls a feeding plate 23 to rotate, and battery adsorption positioning platforms 24 are arranged at two ends of the feeding plate 23. The battery adsorption positioning platform 24 can adsorb the battery through vacuum, and the battery is prevented from moving when rotating. The rotary feeding mechanism 2 is arranged on the positioning platform 1.
Preferably, FPC positioning mechanism includes locating platform 1, be equipped with FPC left side pressure mechanism 3 on the locating platform 1, FPC right side pressure mechanism 4 and FPC fixture 5, rotatory feeding mechanism 2 sends the battery rotation into prepositioning position (drive the battery rotatory 180 degrees can), FPC fixture 5 moves centre gripping battery FPC's horizontal segment (battery FPC is L shape, vertical section and horizontal segment have), FPC left side pressure mechanism 3 and FPC right side pressure mechanism 4 compress tightly battery FPC's vertical segment.
Preferably, the FPC clamping mechanism 5 includes a clamping mounting seat 51, one side of the clamping mounting seat 51 is provided with a left abutting mechanism 52, the other side is provided with a right abutting mechanism 53, the right abutting mechanism 53 is provided with a finger cylinder 54, and the finger cylinder 54 controls two clamping fingers 55 to clamp the horizontal section of the FPC.
Preferably, the left abutting mechanism 52 comprises a left abutting cylinder 521, a left abutting platform 522 is arranged at a piston rod end of the left abutting cylinder 521, an adsorption platform 523 is arranged on the left abutting platform 522, and when the left abutting cylinder 521 controls the left abutting platform 522 to ascend to a specified position, the adsorption platform 523 can abut against the bottom surface of the horizontal section of the FPC;
the right abutting mechanism 53 comprises a right abutting cylinder 531, a right abutting platform 532 is arranged at the piston rod end of the right abutting cylinder 531, an abutting plate 533 is arranged in the middle of the upper end of the right abutting platform 532, a finger cylinder mounting plate 534 is further arranged on the right abutting platform 532, the abutting plate 533 is located between the two clamping fingers 55, the abutting plate 533 abuts against the bottom surface of the horizontal section of the FPC when the right abutting cylinder 531 controls the right abutting platform 532 to ascend to a specified position, and the finger cylinder 54 controls the two clamping fingers 55 to clamp two sides of the horizontal section of the FPC.
Preferably, the FPC left pressing mechanism 3 includes a left pressing platform 31, a left pressing transverse control cylinder 32 is arranged on the left pressing platform 31, a left pressing longitudinal control cylinder 33 is arranged on the left pressing transverse control cylinder 32, a vertical cylinder mounting plate 34 is arranged on the left pressing longitudinal control cylinder 33, a vertical control cylinder 35 and a left pressing plate 36 are arranged on the vertical cylinder mounting plate 34, and a vertical control cylinder 35 controls a lower pressing plate 37 to move. The lower pressing plate 37 and the left pressing plate 36 are arranged in a staggered mode, and the lower pressing plate 37 is Z-shaped.
Preferably, the left pressing transverse control cylinder 32 and the left pressing longitudinal control cylinder 33 control the vertical control cylinder 35 and the left pressing plate 36 to move to the left side position of the vertical section of the FPC for positioning, and the vertical control cylinder 35 controls the lower pressing plate 37 to press down on the upper plane of the horizontal section of the FPC.
Preferably, the FPC right pressing mechanism 4 includes a right pressing cylinder mounting table 41, a right pressing cylinder 42 is provided on the right pressing cylinder mounting table 41, and the right pressing cylinder 42 controls an L-shaped pressing plate 43 to move to the right position of the FPC vertical section for positioning.
Preferably, the testing mechanism 11 includes a testing platform 111, the testing platform 111 is provided with a battery adsorption platform 112 and an FPC positioning platform 113, the FPC positioning platform 113 is provided with a testing hole (not shown), the bottom of the testing platform 111 is provided with a testing thimble cylinder (not shown), and the testing thimble cylinder controls a thimble (not shown) to extend into the testing hole and contact with the FPC contact end of the battery.
Preferably, the test platform 111 is further provided with an FPC pressing mechanism 114 and an FPC rotary positioning mechanism 115, the FPC pressing mechanism 114 includes a pressing plate cylinder 1141, a piston rod end of the pressing plate cylinder 1141 is provided with a pressing cylinder 1142, one side of the pressing cylinder 1142 is connected with an FPC pressing plate 1143 through a sliding rail and a sliding block, the pressing plate cylinder 1141 can control the FPC pressing plate 1143 to move right above the FPC, and the pressing cylinder 1142 drives the FPC pressing plate 1143 to press down on the FPC;
the FPC rotary positioning mechanism 115 includes a rotary positioning cylinder that controls a rotary platen to rotate and press on the FPC for positioning.
Preferably, the loading and unloading manipulator 10 comprises a double-acting traversing module 101, and the double-acting traversing module 101 controls the loading mechanism 102 and the unloading mechanism 103 to transversely take materials; the feeding mechanism 102 takes the batteries from the FPC positioning mechanism 9 and places the batteries on the testing mechanism 11 for testing, the blanking mechanism 103 takes the tested batteries from the testing mechanism 11, the tested OK batteries are conveyed to an OK product conveying line to be sent out, and the NG products are conveyed to an NG conveying line by a feeding and blanking manipulator; the double-acting traverse module 101 includes two traverse driving servos, one for controlling the movement of the feeding mechanism 102 and the other for controlling the movement of the discharging mechanism 103.
The feeding mechanism 102 comprises a lifting servo module 1021, a CCD mechanism 1022 is arranged on one side of the lifting servo module 1021, a battery taking mechanism 1023 is arranged on the other side of the lifting servo module 1021, the lifting servo module 1021 can control the battery taking mechanism 1023 to lift, the battery taking mechanism 1023 comprises a FPC clamping cylinder 1024 and a battery sucker 1025, the FPC clamping cylinder is located on one side of the battery sucker, and the CCD mechanism 1022 can take pictures to determine the placement positions of the battery and the FPC;
the blanking mechanism 103 comprises a blanking lifting servo module 1031, the blanking lifting servo module 1031 controls the blanking plate 1032 to lift, and a blanking suction cup 1033 is arranged at the bottom of the blanking plate 1032. The blanking lifting servo module 1031 comprises a servo motor, a screw rod controlled by the servo motor, and the screw rod is connected with a blanking plate 1032 through a screw rod nut.
Preferably, the machine table 6 is further provided with a feeding conveying line 14 and a retesting conveying line 15, the discharge end of the feeding conveying line 14 is provided with two turnover mechanisms 16, each turnover mechanism 16 comprises a turnover cylinder, the turnover cylinders control a material taking plate to rotate, and the end parts of the material taking plates are provided with battery adsorption plates; the conveying manipulator 7 takes the batteries from the feeding conveying line 14 and puts the batteries into the retesting conveying line 15, the conveying manipulator 7 takes the batteries from the retesting conveying line 15, moves the batteries to the position right above the CCD correction platform 8 for position correction, and conveys the corrected batteries to the rotary feeding mechanism 2;
NG transfer chain 12 is provided with many, and many NG transfer chain 12 can carry the battery of different NG types, reach to carry in grades and collect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and arrangements of the invention, the scope of which is defined in the appended claims and their equivalents.