CN216965579U - Acid pickling equipment for diode processing - Google Patents

Abstract

The utility model discloses a pickling device for processing a diode, which comprises a pickling container and an electromagnet, wherein a driving motor is arranged below the pickling container, the output end of the driving motor penetrates through the pickling container and is connected with a driving rod, a sleeve is arranged outside the driving rod, bearing panels are rotatably arranged on two sides of the top end of the driving rod through rotating shafts, a placing assembly for placing a chip is fixedly arranged on one surface, far away from a vertical central axis of the driving rod, of each bearing panel through fastening screws, the placing assembly comprises a storage barrel and a guide roller, and the guide roller is arranged inside the storage barrel. This pickling line electro-magnet circular telegram of diode processing usefulness back carries magnetic force, can adsorb for the metal cylinder of metal to the material to strengthen the laminating firmness between pickling container and the metal cylinder, make it collect the impurity that the subassembly can be smooth collection chip surface fell down after the pickling, avoid mixing the pickling effect that influences next batch of chip in the pickling solution.

Description

Acid pickling equipment for diode processing

Technical Field

The utility model relates to the technical field of diode processing, in particular to pickling equipment for processing a diode.

Background

A Diode (Diode), a two-electrode electronic component with asymmetric conductance. An ideal diode has zero resistance between the two electrodes (anode and cathode) when conducting in the forward direction and infinite resistance when conducting in the reverse direction, i.e. current is allowed to flow through the diode from only a single direction. Therefore, the diode has the characteristic of one-way conduction and can play a role in rectification. At present, the diode needs to be subjected to acid cleaning in the manufacturing process, namely, various acids and water are utilized to carry out chemical corrosion on the peripheral edge surface of a P-N junction of a chip so as to improve mechanical damage, remove impurities adsorbed on the surface and reduce a surface electric field, so that the breakdown of the P-N junction firstly occurs from the inside of a body, and a reverse breakdown voltage close to a theoretical value and a tiny surface leakage current are obtained.

The acid pickling equipment for processing the diode on the market has the problem of insufficient acid pickling on chips, a large number of chips are stacked in an acid pickling tank for acid pickling, and the overlapped parts of the chips are difficult to be fully contacted with an acid pickling solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide pickling equipment for processing a diode, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pickling installation that diode processing was used, includes pickling container and electro-magnet, driving motor is installed to the below of pickling container, and driving motor's output runs through the pickling container and is connected with the actuating lever, the outside of actuating lever is provided with the sleeve, and the top both sides of actuating lever all are provided with bearing panel through the pivot rotation, bearing panel keeps away from the one side of the vertical axis of actuating lever and has the subassembly of placing that is used for placing the chip through fastening screw fixed mounting, and places the subassembly and include a storage section of thick bamboo and guide roll, the inside of a storage section of thick bamboo is provided with the guide roll, the electro-magnet sets up in the internal surface below of pickling container, and the another side of electro-magnet settles and have the collection subassembly that is used for collecting impurity.

Further, the collection assembly comprises a metal cylinder and a filter net bag, the inner surface of the metal cylinder is provided with the filter net bag, and the filter net bag is of a hollow structure.

Furthermore, the collecting assembly further comprises a traction rope and a winding roll, the traction rope is fixed above the inner side of the filter net bag, and the winding roll is arranged at the other end of the traction rope.

Furthermore, the electromagnet forms an embedded structure through the pickling container, and the electromagnet is connected with the metal cylinder in an adsorption mode.

Furthermore, metal cylinder and filter net bag structure as an organic whole, and haulage rope and take-up reel all are provided with two about filter net bag's vertical axis symmetry.

Furthermore, the vertical central axes of the pickling container, the driving motor and the driving rod are coincident, and the rod diameter of the driving rod is smaller than the inner diameter of the sleeve.

Furthermore, the two bearing panels are symmetrically arranged about the vertical central axis of the driving rod, and the length of each bearing panel is smaller than the inner radius of the pickling container.

Furthermore, the bearing panel is in transmission connection with the driving motor through the rotating shaft and the driving rod, the transverse central axes of the bearing panel and the storage cylinder coincide with each other, and the guide rollers are distributed annularly along the central point of the storage cylinder.

The utility model provides acid pickling equipment for processing a diode, which has the following beneficial effects: this pickling equipment of diode processing usefulness adopts driving motor, the transmission structure that actuating lever and bearing panel are constituteed, orders about the storage cylinder and takes place to rotate in the pickling container, utilizes the storage cylinder to rotate and makes and produce certain stationary flow in the pickling container, washes away the impurity on chip surface and precipitate with the help of the liquid that flows, improves the quality of pickling greatly, and the impurity that falls is collected by collecting the subassembly is unified, the timely clearance of being convenient for, stabilizes this pickling equipment's pickling effect.

1. When the two groups of bearing panels rotate along the rotating shaft to be placed in a vertical state, the filter net bag can rise along the vertical direction until the filter net bag is taken out of the pickling container, so that the purity of the pickling solution is timely recovered, and the problem that the pickling quality of the next batch of chips is reduced due to the mixed precipitates and sundries is avoided.

2. The utility model uses the fastening screw to assemble and fix the storage cylinder and the bearing panel, and drives the driving rod to drive by the driving motor so as to drive the bearing panel and the storage cylinder to rotate along the circumference of the inner side of the pickling container, so that chips can be dispersed in the storage cylinder under the action of the flexible guide roller, and the contact area between the chips and the pickling solution is increased.

3. The electromagnet provided by the utility model carries magnetic force after being electrified, and can adsorb a metal cylinder made of metal, so that the bonding firmness between the pickling container and the metal cylinder is enhanced, the collecting assembly can smoothly collect impurities falling from the surface of the chip after pickling treatment, and the influence on the pickling effect of the next batch of chips due to the fact that the impurities are mixed in a pickling solution is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pickling apparatus for diode processing according to the present invention;

FIG. 2 is an enlarged schematic view of a portion A of the pickling apparatus for processing a diode according to the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a metal cylinder of an acid pickling apparatus for diode processing according to the present invention.

In the figure: 1. pickling the container; 2. an electromagnet; 3. a collection assembly; 301. a metal cylinder; 302. a filter net bag; 303. a hauling rope; 304. a take-up reel; 4. a drive motor; 5. a drive rod; 6. a load bearing panel; 7. a sleeve; 8. placing the component; 801. a storage cylinder; 802. a guide roller; 9. and (5) fastening the screw.

Detailed Description

As shown in fig. 1-2, a pickling device for diode processing comprises a pickling container 1 and an electromagnet 2, wherein a driving motor 4 is installed below the pickling container 1, an output end of the driving motor 4 penetrates through the pickling container 1 and is connected with a driving rod 5, a sleeve 7 is arranged outside the driving rod 5, vertical central axes of the pickling container 1, the driving motor 4 and the driving rod 5 are overlapped, the rod diameter size of the driving rod 5 is smaller than the inner diameter size of the sleeve 7, bearing panels 6 are rotatably arranged on two sides of the top end of the driving rod 5 through rotating shafts, the two bearing panels 6 are symmetrically arranged about the vertical central axis of the driving rod 5, the length of each bearing panel 6 is smaller than the inner diameter size of the pickling container 1, when the two bearing panels 6 are rotated to be placed vertically along the rotating shafts, a filter net bag 302 can be lifted vertically until being taken out of the pickling container 1, thereby recovering the purity of the pickling solution in time and avoiding mixing precipitates and impurities to reduce the pickling quality of the chips of the next batch; a placing component 8 for placing chips is fixedly arranged on one surface, far away from a vertical central axis of a driving rod 5, of a bearing panel 6 through a fastening screw 9, the placing component 8 comprises a storage barrel 801 and a guide roller 802, the guide roller 802 is arranged in the storage barrel 801, the bearing panel 6 is in transmission connection with the driving motor 4 through a rotating shaft and the driving rod 5, the transverse central axes of the bearing panel 6 and the storage barrel 801 are overlapped, the guide roller 802 is annularly distributed along the central point of the storage barrel 801, the storage barrel 801 and the bearing panel 6 are assembled and fixed through the fastening screw 9, the driving motor 4 drives the driving rod 5 to transmit, the bearing panel 6 and the storage barrel 801 are driven to rotate along one circle of the inner side of the pickling container 1, the chips can be dispersed in the storage barrel 801 under the action of the flexible guide roller 802, and the contact area of the chips and the pickling solution is increased;

as shown in fig. 1 and 3, the electromagnet 2 is disposed below the inner surface of the pickling container 1, and the other surface of the electromagnet 2 is provided with a collecting component 3 for collecting impurities, the collecting component 3 includes a metal cylinder 301 and a filter net bag 302, the inner surface of the metal cylinder 301 is provided with the filter net bag 302, the filter net bag 302 is in a hollow structure, the collecting component 3 further includes a traction rope 303 and a winding reel 304, the traction rope 303 is fixed above the inner side of the filter net bag 302, the other end of the traction rope 303 is provided with the winding reel 304, the electromagnet 2 forms an embedded structure through the pickling container 1, the electromagnet 2 and the metal cylinder 301 are connected in an adsorption manner, the metal cylinder 301 and the filter net bag 302 are in an integrated structure, the traction rope 303 and the winding reel 304 are both symmetrically disposed about the vertical central axis of the filter net bag 302, the electromagnet 2 carries magnetic force after being powered on, and can adsorb the metal cylinder 301 made of metal, thereby strengthen the laminating firmness between pickling container 1 and metal cylinder 301, make it collect that component 3 can be smooth collect the impurity that falls down on the chip surface after the pickling, avoid mixing in the pickling solution and influence the pickling effect of next batch of chip.

In summary, when the pickling apparatus for processing diodes is used, firstly, according to the structure shown in fig. 1-3, the chips are sequentially loaded into two storage barrels 801, the storage barrels 801 and the bearing panel 6 are assembled and fixed by the fastening screws 9, then the bearing panel 6 is rotated along the rotating shafts on the two sides of the top end of the driving rod 5 to be placed in a horizontal state, at this time, the pickling solution is injected into the pickling container 1 until the storage barrels 801 are completely immersed by the pickling solution, then the driving rod 5 is driven by the driving motor 4 to drive the bearing panel 6 and the storage barrels 801 to rotate along the inner circumference of the pickling container 1, so that the chips can be dispersed in the storage barrels 801 under the action of the flexible guide rollers 802, the contact area with the pickling solution is increased, and after the chips fully contact with the pickling solution, the impurities on the surfaces of the chips can be separated from the surfaces of the chips and deposited downwards, at the moment, the bearing panel 6 is rotated to be placed in a vertical state along the rotating shafts on the two sides of the top end of the driving rod 5 until the water on the surface of the chip is completely drained, the material storage barrel 801 is disassembled on the bearing panel 6, at the moment, the impurities are completely collected by the filter string bag 302, the power supply of the electromagnet 2 can be cut off, the electromagnet 2 loses the magnetic force, the filter string bag 302 is smoothly separated from the inner surface of the pickling container 1 under the action of the metal barrel 301, then the traction rope 303 is wound by the winding disc 304, the filter string bag 302 is drawn by the traction rope 303 to move towards the opening of the pickling container 1 along the outer part of the sleeve 7, when the distance between the bottom of the filter string bag 302 and the inner bottom end of the pickling container 1 is pulled, part of the pickling solution can be pumped out by the water pump, the liquid level of the pickling solution is lower than the bottom of the filter string bag 302, so that the impurities collected in the filter string bag 302 can be smoothly poured and taken out, therefore, the effect of recovering the purity of the pickling solution is achieved, and the pickling quality of the next batch of chips is reduced by avoiding mixing precipitates and impurities.

Claims (8)

1. The utility model provides a pickling equipment of diode processing usefulness, includes pickling container (1) and electro-magnet (2), its characterized in that, driving motor (4) are installed to the below of pickling container (1), and the output of driving motor (4) runs through pickling container (1) and is connected with actuating lever (5), the outside of actuating lever (5) is provided with sleeve (7), and the top both sides of actuating lever (5) all are provided with bearing panel (6) through the pivot rotation, bearing panel (6) keep away from the one side of the vertical axis of actuating lever (5) and pass through fastening screw (9) fixed mounting and be used for placing the subassembly (8) of placing the chip, and place subassembly (8) and include storage cylinder (801) and guide roll (802), the inside of storage cylinder (801) is provided with guide roll (802), electro-magnet (2) set up in the internal surface below of pickling container (1), and the other side of the electromagnet (2) is provided with a collecting component (3) for collecting impurities.

2. The acid washing equipment for processing the diode as claimed in claim 1, wherein the collecting component (3) comprises a metal cylinder (301) and a filter net bag (302), the inner surface of the metal cylinder (301) is provided with the filter net bag (302), and the filter net bag (302) is of a hollow structure.

3. The pickling apparatus for processing the diode as claimed in claim 2, wherein the collecting assembly (3) further comprises a pulling rope (303) and a winding reel (304), the pulling rope (303) is fixed above the inner side of the filter net bag (302), and the winding reel (304) is arranged at the other end of the pulling rope (303).

4. The pickling facility for processing diodes as claimed in claim 2, wherein the electromagnet (2) is embedded through the pickling vessel (1), and the electromagnet (2) and the metal cylinder (301) are connected by adsorption.

5. The acid washing equipment for processing the diode as claimed in claim 3, wherein the metal cylinder (301) and the filter net bag (302) are of an integrated structure, and the pulling rope (303) and the wire winding reel (304) are symmetrically arranged in two relative to the vertical central axis of the filter net bag (302).

6. The pickling apparatus for processing the diode as claimed in claim 1, wherein the vertical central axes of the pickling vessel (1), the driving motor (4) and the driving rod (5) coincide, and the rod diameter of the driving rod (5) is smaller than the inner diameter of the sleeve (7).

7. The pickling installation for diode processing according to claim 1, wherein the number of the bearing panels (6) is two symmetrically arranged about the vertical central axis of the drive rod (5), and the length of the bearing panels (6) is smaller than the inner radius of the pickling vessel (1).

8. The pickling apparatus for processing diodes as claimed in claim 1, wherein the bearing panel (6) is in transmission connection with the driving motor (4) through the rotating shaft and the driving rod (5), the transverse central axes of the bearing panel (6) and the storage barrel (801) are coincident, and the guide rollers (802) are annularly distributed along the central point of the storage barrel (801).

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