CN218014267U - Bulk capacitor rotating disc type testing, screening and braiding and packaging device - Google Patents

Abstract

The utility model provides a shot electric capacity carousel formula test screening and braid packing plant, its test and braid that can be used for electric capacity can keep electric capacity down in the test simultaneously, just need not overturn electric capacity after accomplishing the test and can carry out the braid to can save tilting mechanism's adoption. It includes the material loading station, the test station, the screening station, braid station and transfer mechanism, it carries the box to install electric capacity in the mechanism to shift, electric capacity carries box top and evenly opens there is the standing groove to be used for placing the shot electric capacity, the displacement mechanism that test probe and be used for driving test probe and carry out the removal is installed to the test station, transfer mechanism is the carousel, test probe is located the below of carousel, still be equipped with connection structure on the tank bottom of standing groove and the carousel, connection structure is used for making test probe and capacitance electrode be connected when the test, closing device is still installed to the test station, closing device is located electric capacity and carries box top and be used for pressing the electric capacity when the test and cover in the standing groove.

Description

Bulk capacitor rotating disc type testing, screening and braiding and packaging device

Technical Field

The utility model relates to a capacitance test technical field specifically is a loose grain electric capacity carousel formula test screening and braid packing plant.

Background

In the production line of capacitor testing and screening, especially the production line of chip electrolytic capacitors (tantalum capacitors or aluminum electrolytic capacitors), the high-speed automatic testing and taping packaging of 4 parameters (capacity, loss, ESR and leakage current) with low cost is realized for finished capacitors (pins are shaped and the capacitors are in single independent form), so that an automatic testing and taping packaging device with simple structure and high operation efficiency is required.

In the prior art, a vibration disc and a straight rail are adopted for testing a finished chip electrolytic capacitor to form a capacitor array with a capacitor electrode facing downwards/oriented in polarity, a plurality of suction heads on a multi-station rotating tower take out the capacitor one by one from the terminal end of the array, the capacitor array rotates along with the rotating tower and passes through a plurality of testing stations to complete the tests of capacity, loss and ESR parameters, and unqualified products of the testing items are placed in an unqualified product removing station to be placed in an unqualified product collecting box. Qualified capacitors enter the turnover device in a mode that the electrodes face downwards, the electrode surfaces of the capacitors are turned upwards by the turnover device, then the capacitors are placed into the plurality of slot positions of the strip-shaped test carrying box one by one, and the capacitors are distributed in a straight line in the carrying box. The carrying box moves to a plurality of stations, the capacitors are charged and tested for leakage current in a mode that a plurality of probe arrays are pressed downwards to be in contact with the upper surface electrodes of the capacitors, finally, the capacitors are taken out of the carrying box by a multi-sucker turret, defective products are removed, the defective products are placed into a turnover device, the electrode surfaces of the capacitors are turned to be downward (the electrode surfaces of the capacitors are required to be downward when the capacitors are braided), the capacitors are placed into the carrying belt by another multi-sucker turret to be braided and packaged, and the testing and packaging device for the finished capacitors is complex and high in cost.

In addition, in the prior patent document CN215066095U, the capacitance, loss, ESR, and leakage current are tested by pressing down the probe array with the electrodes facing upward in the box, so that the capacitance turn-over operation is omitted in the step of packaging the capacitor, but the turn-over operation is still required before the capacitor is packaged, so that the capacitor is placed in the braid with the electrodes facing downward, which reduces the cost compared with the prior art 1, but the processing before the braid is still complicated.

SUMMERY OF THE UTILITY MODEL

Need carry out the problem of braid again with electric capacity turn-over when accomplishing the test to current shot electric capacity and carrying out the braid, the utility model provides a shot electric capacity carousel formula test screening and braid packing plant, it can be used for the test and the braid of electric capacity, can keep the electrode of electric capacity down in the test simultaneously, just need not overturn electric capacity after accomplishing the test and can carry out the braid to can save tilting mechanism's adoption.

The technical scheme is as follows: the utility model provides a shot electric capacity carousel formula test screening and braid packing plant, its includes material loading station, test station, screening station, braid station and transfer mechanism, transfer mechanism is used for shifting electric capacity between each station, it carries the box to install electric capacity in the transfer mechanism, electric capacity carries the box top and evenly has seted up the standing groove and is used for placing shot electric capacity, test station installs test probe and is used for driving the displacement mechanism that test probe moved, its characterized in that: the transfer mechanism is a rotary table, the test probes are located below the rotary table, a connecting structure is further arranged on the rotary table and used for enabling the test probes to be connected with the capacitance electrodes when testing, a pressing device is further mounted on the test station and located above the capacitance loading box and used for pressing the capacitance into the rotary table when testing.

It is further characterized in that:

the connecting structure comprises a first through hole and a second through hole, the position, corresponding to the capacitor electrode, of the bottom of the placing groove is provided with the first through hole, the turntable is provided with the second through hole, and the first through hole is communicated with the second through hole and used for enabling the test probe to extend into the turntable during testing;

the connecting structure comprises a first conducting structure and a second conducting structure, the first conducting structure is positioned at the bottom of the placing groove, the upper end of the first conducting structure is used for being in contact with an electrode at the bottom of the capacitor, the lower end of the first conducting structure is connected with one end of the second conducting structure on the turntable, and the other end of the second conducting structure is used for being connected with the test probe during testing;

the testing station comprises one or more of a leakage current testing station, a surge testing station, a capacity testing station, a loss testing station and an ESR testing station, and when the testing station comprises the leakage current testing station, the testing station also comprises a charging station arranged corresponding to the leakage current testing station; when the test stations comprise more than or equal to two leakage current test stations and two charging stations, the surge station is positioned between the two groups of leakage current test stations and the two groups of charging stations;

the feeding station is used for filling the vacant placing groove in the screened capacitor carrying box;

the feeding mode is as follows: supplementing the capacitors in the capacitor loading box into the vacant placing grooves of the capacitor loading box until the capacitors in any row of the capacitor loading box have no vacant placing grooves between the capacitors;

the screening station is used for taking out the capacitors which are unqualified in test; the device also comprises a taking-out station which is positioned between the material supplementing station and the testing station and is more than or equal to one, wherein the taking-out station is used for taking out the capacitors with the selected parameters and placing the capacitors into a secondary packaging device, the secondary packaging device comprises a bearing station, a material supplementing station, a braiding station and a secondary turntable which correspond to the taking-out station, and a capacitor carrying box is installed on the secondary turntable;

the distance between every two rows of capacitors in the capacitor carrier box is the same as that between positioning grooves of a carrier tape used for storing the capacitors at a braiding station, and the capacitors in the capacitor carrier box are transferred into the carrier tape line by line at the braiding station;

the number of the feeding stations and the number of the material supplementing stations are larger than one, and the feeding stations and the material supplementing stations are respectively used for sequentially feeding and supplementing materials to the same capacitor loading box.

After having adopted such structure, the electric capacity all keeps the form that the electrode is down at the in-process of whole test screening, braid packing, just so need not adopt tilting mechanism, has reduced transfer mechanism's complexity, adopts the carousel as transfer mechanism simultaneously, need not adopt extra manual work to go to retrieve the electric capacity that accomplishes the braid packing and carries the box, and the electric capacity carries the box and can continuously participate in test screening and braid packing, reduces the manpower.

Drawings

Fig. 1 is a layout diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of a capacitor box;

FIG. 3 is a schematic structural view of a test station (with the turntable omitted);

fig. 4 is a layout diagram of embodiment 2 of the present invention;

FIG. 5 is a schematic diagram of the feeding process.

Detailed Description

Example 1: as shown in fig. 1, the rotating disc type testing, screening and braiding and packaging device for particulate capacitors comprises a loading station, a testing station, a screening station, a braiding station and a transferring mechanism, wherein the transferring mechanism is a rotating disc 1, the transferring mechanism is used for transferring capacitors among stations, a capacitor carrying box 2 is installed on the transferring mechanism, and in combination with fig. 2, a placing groove 3 is uniformly formed in the top of the capacitor carrying box 2 and used for placing the particulate capacitors, in combination with fig. 3, the testing station is provided with a testing probe 4 and a displacement mechanism used for driving the testing probe to move, the testing probe 4 is integrated on a probe board 5 and is located below the rotating disc 1, a connecting structure is further arranged on the bottom of the placing groove 3 and the rotating disc 1, the probe board is driven to move up and down by using a device such as an electric cylinder or an air cylinder as the displacement mechanism, the connecting structure is used for connecting the testing probe 4 with a capacitor electrode during testing, a compressing device 6 is further installed on the testing station, and the compressing device 6 is located above the capacitor carrying box 2 and used for compressing the capacitors in the placing groove 3 during testing.

Specifically, one form of the connecting structure is: it includes through-hole one 31 and through-hole two, the position that the bottom of standing groove 3 corresponds the electric capacity electrode is equipped with through-hole one 31, be equipped with through-hole two on the carousel 1, through-hole one 31 and through-hole two intercommunication and be used for the test the time of the test probe 4 stretch into, thereby adopt above-mentioned mode when the test, thereby the probe rebound passes carousel and electric capacity through-hole one and through-hole two and carries the box back direct with the electrode contact with electric capacity access test circuit in test, rely on closing device 6 to compress tightly electric capacity simultaneously and prevent that it from being ejecting.

The other form of the connecting structure can comprise a first conducting structure and a second conducting structure, the first conducting structure is located at the bottom of the placing groove, an elastic contact at the upper end of the first conducting structure is used for being in contact with an electrode at the bottom of the capacitor, the lower end of the first conducting structure is connected with one end of the second conducting structure on the turntable, the other end of the second conducting structure is used for being connected with a test probe during testing, the capacitor electrode can be led out to the bottom of the turntable through the conducting structure in the mode, so that the probe can be connected with the capacitor through the conducting structure, and meanwhile, the pressing device can be used for pressing the capacitor to ensure that the capacitor is in full contact with the first conducting structure.

The testing station comprises one or more of a leakage current testing station (referring to leakage current testing in figure 1), a surge testing station, a capacity and loss testing station (referring to capacity loss in figure 1) and an ESR testing station, and when the testing station comprises the leakage current testing station, the testing station also comprises a charging station arranged corresponding to the leakage current testing station; when the test stations comprise more than or equal to two leakage current test stations and two charging stations, the surge station is positioned between the two groups of leakage current test stations and the two groups of charging stations.

Screening station then is used for taking out the unqualified electric capacity of test, can directly pursue after the screening and braid the electric capacity, but in order to raise the efficiency, it still includes the feed supplement station, and the feed supplement station is used for filling the standing groove that the box lacked is carried to the electric capacity after the screening, and general feed supplement mode is from the outside to mend qualified electric capacity in the electric capacity carries the box with it and mends it fully, and the preferred mode of this scheme is: referring to fig. 5, a in the figure is a capacitor, B is a vacant placing groove, the capacitor in the capacitor loading box is filled in the vacant placing groove of the capacitor loading box, until one row of the capacitor in the capacitor loading box exists at will, the vacant placing groove between the capacitor and the capacitor is not filled (preferably, one row is filled), the use of an external material supplementing device is reduced by a self-supplementing mode in the box, and the complexity of the mechanism can be reduced while the purpose of braid packaging is achieved.

After the material supplementing is completed, capacitors in the capacitor carrier boxes can be placed into the carrier tapes through the braiding stations, the electrodes of the capacitors can face downwards in the whole process, the capacitors do not need to be turned over, meanwhile, the distance between every two rows of capacitors in the capacitor carrier boxes is the same as the distance between positioning grooves of the carrier tapes, which are used for storing the capacitors, of the braiding stations, the capacitors in the capacitor carrier boxes are all transferred into the carrier tapes one by one row, the efficiency can be improved, in addition, the detection station in the figure 1 is used for detecting whether the capacitors still remain in the carrier boxes after braiding, meanwhile, the device for transferring the capacitors can adopt suction heads, and the capacitors can be discharged in a suction mode through the suction heads.

Embodiment 2, with reference to fig. 4, in addition to the apparatus mentioned in embodiment 1, the apparatus further includes a taking-out station located between the feeding station and the testing station, the taking-out station is configured to take out the capacitor with the selected parameter and place the capacitor into a secondary packaging apparatus, wherein after the test is completed, the unqualified capacitors may be screened first, or the capacitor with the selected parameter may be taken out first and then the unqualified products may be screened, the secondary packaging apparatus includes a carrying station corresponding to the taking-out station, the feeding station, a taping station, and a secondary turntable 7, and the secondary turntable 7 is provided with a capacitor carrying box 2, so that different parameters can be respectively taped and packaged as required.

In addition, the number of the feeding stations and the material supplementing stations is larger than one, and the feeding stations and the material supplementing stations are respectively used for sequentially feeding and supplementing materials to the same capacitor loading box, so that the processing time of a single station can be shortened.

The specific method for the bulk capacitance turntable test screening and taping packaging produced in conjunction with the above description is as follows: a turntable is used as a transfer mechanism, a capacitor carrying box is arranged on the turntable and used for carrying a capacitor, the turntable rotates in a stepping mode, and a feeding station, a testing station, a screening station, a taking-out station, a material supplementing station and a braiding station are arranged on the turntable.

When the feeding station feeds materials, the capacitors are sucked up through the suction head and are placed into the placing groove of the capacitor loading box in a mode that the electrodes face downwards.

When the test station tests, the compression device above the test station is pressed down on each capacitor to enable the capacitor to be compressed in the placing groove, the test probe below the test station is lifted to be connected with the electrode of the capacitor or the conductive structure led out by the electrode of the capacitor, and the capacitor is connected into the test device to be tested.

And when the screening station screens, taking out unqualified capacitors in the capacitor loading box through the suction head according to a test result obtained by the test station.

The secondary packaging device comprises a bearing station, a material supplementing station, a braiding station and a secondary turntable, wherein the bearing station, the material supplementing station, the braiding station and the secondary turntable correspond to the taking-out station, the secondary turntable is provided with a capacitor loading box, the taking-out station takes out the capacitor with the corresponding parameter and puts the capacitor into the capacitor loading box of the bearing station, and the secondary turntable is used for transferring so as to supplement and braid the corresponding capacitor.

When the material supplementing station supplements materials, the capacitors in the capacitor loading boxes are supplemented into the vacant placing grooves of the capacitor loading boxes until one row of the capacitors exists in any capacitor loading box, and no vacant placing groove exists between the capacitors.

When the belt is braided at a braiding station, taking out the capacitors with the downward electrodes from the capacitor carrying box line by line and placing the capacitors into the carrying belt in a mode that the electrodes are downward; after the tape knitting is finished, the empty capacitor carrying boxes continue to move to the feeding station for continuous use, the carrying tape moves by taking the length of the capacitors in one line of the capacitor carrying boxes as a stepping unit, one line of the capacitor can be knitted at one time, and the tape knitting efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a loose grain electric capacity carousel formula test screening and braid packing plant, its includes material loading station, test station, screening station, braid station and shifts the mechanism, it shifts the mechanism and is used for shifting electric capacity between each station to shift the mechanism, it carries the box to install electric capacity in the mechanism to shift, electric capacity carries box top to evenly open there is the standing groove to be used for placing loose grain electric capacity, test station installs the test probe and is used for the drive the displacement mechanism that the test probe moved, its characterized in that: the transfer mechanism is a rotary table, the test probes are located below the rotary table, a connecting structure is further arranged on the rotary table and used for enabling the test probes to be connected with the capacitance electrodes when testing, a pressing device is further mounted on the test station and located above the capacitance loading box and used for pressing the capacitance into the rotary table when testing.

2. The rotating disc type test screening and braiding and packaging device for bulk capacitors as claimed in claim 1, wherein: the connecting structure comprises a first through hole and a second through hole, the first through hole is formed in the position, corresponding to the capacitor electrode, of the bottom of the placing groove, the second through hole is formed in the rotary disc, and the first through hole is communicated with the second through hole and used for extending the test probe into the placing groove during testing.

3. The bulk capacitor turntable type test screening and taping packaging device as claimed in claim 1, wherein: the connecting structure comprises a first conducting structure and a second conducting structure, the first conducting structure is located at the bottom of the placing groove, the upper end of the first conducting structure is used for being in contact with an electrode at the bottom of the capacitor, the lower end of the first conducting structure is connected with one end of the second conducting structure on the turntable, and the other end of the second conducting structure is used for being connected with the test probe during testing.

4. The rotating disk type test screening and braiding and packaging device for bulk capacitors as claimed in any one of claims 1 to 3, wherein: the testing station comprises one or more of a leakage current testing station, a surge testing station, a capacity testing station, a loss testing station and an ESR testing station, and when the testing station comprises the leakage current testing station, the testing station also comprises a charging station arranged corresponding to the leakage current testing station; when the test stations comprise more than or equal to two leakage current test stations and the charging station, the surge test station is positioned between the two leakage current test stations and the charging station.

5. The bulk capacitor turntable type test screening and taping packaging device as claimed in claim 1, wherein: the feeding station is used for filling the placing groove which is vacant in the screened capacitor loading boxes.

6. The bulk capacitor turntable test screening and taping packaging device as recited in claim 5, wherein: the feeding mode is as follows: and supplementing the capacitors in the capacitor loading box into the vacant placing grooves of the capacitor loading box until one row of the capacitors exists in the capacitor loading box randomly, wherein the vacant placing grooves do not exist between the capacitors.

7. The rotating disc type test screening and braiding and packaging device for bulk capacitors as claimed in claim 5, wherein: the screening station is used for taking out the capacitors which are unqualified to be tested; the device is characterized by further comprising a taking-out station which is located between the material supplementing station and the testing station and is more than or equal to one, the taking-out station is used for taking out the capacitors with the selected parameters and placing the capacitors into a secondary packaging device, the secondary packaging device comprises a bearing station, a material supplementing station, a braiding station and a secondary turntable which correspond to the taking-out station, and the secondary turntable is provided with a capacitor carrying box.

8. The apparatus for screening and taping a bulk capacitance rotary disk test as claimed in claim 1 or 2 or 3 or 5 or 6 or 7, wherein: the distance between every row of capacitors in the capacitor carrying box is the same as that between positioning grooves of a carrying belt used for storing the capacitors at a braiding station, and the capacitors in the capacitor carrying box are transferred to the carrying belt line by line at the braiding station.

9. The apparatus as claimed in claim 5, 6 or 7, wherein the apparatus comprises: the number of the feeding stations and the number of the material supplementing stations are larger than one, and the feeding stations and the material supplementing stations are respectively used for sequentially feeding and supplementing materials to the same capacitor loading box.

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