CN212152468U

CN212152468U - Electrolytic preparation device for aluminum oxide film

Info

Publication number: CN212152468U
Application number: CN201821849942.7U
Authority: CN
Inventors: 齐平; 侯丽华; 谷开慧; 梁明
Original assignee: Changchun University of Science and Technology College of Optical and Electronical Information
Current assignee: Changchun University of Science and Technology College of Optical and Electronical Information
Priority date: 2018-11-09
Filing date: 2018-11-09
Publication date: 2020-12-15
Anticipated expiration: 2028-11-09

Abstract

The utility model discloses an alumina membrane electrolytic preparation device, mainly relating to the field of alumina membrane preparation. The bottom plate, be fixed with the electrolytic bath on the bottom plate, the lateral wall and the bottom surface of electrolytic bath all are equipped with the heat preservation chamber, be equipped with a plurality of heating wires in the heat preservation intracavity, one side in heat preservation chamber is equipped with the inlet tube, the inner wall is equipped with temperature sensor in the electrolytic bath, be equipped with L type lifter on the bottom plate, the side of L type lifter is equipped with the controller, the diaphragm bottom surface of L type lifter is fixed with the motor, the output of motor is fixed with the connecting axle, the bottom of connecting axle is fixed with the connection lid, the bottom surface of connecting the lid is vertical to be equipped with two backup pads, two one side of backup pad is equipped with a plurality of spouts, sliding connection in the spout in turn has aluminum plate and inert plate electrode, the beneficial effects of the utility: the temperature of the electrolyte is kept in a uniform and stable state, the processing quantity is large, and the production efficiency is high.

Description

Electrolytic preparation device for aluminum oxide film

Technical Field

The utility model relates to an alumina film preparation field specifically is an alumina film electrolytic preparation device.

Background

The aluminum oxide film is a characteristic of aluminum, and is a dense aluminum oxide layer covering the surface of the aluminum, so that the aluminum can be prevented from being further oxidized. The oxide film of aluminum naturally formed in air is amorphous, thin and porous, and has poor corrosion resistance. However, if aluminum or its alloy is placed in a suitable electrolyte, and the aluminum product is used as an anode, an oxide film is formed on the surface of the aluminum product under the action of an applied current, which is called anodic oxidation, and the prepared aluminum oxide film is also called anodic aluminum oxide film. By selecting different types and concentrations of electrolyte and controlling the technological conditions during oxidation, anodic oxide films with different properties and thicknesses of dozens to hundreds of microns can be obtained, and the corrosion resistance, the wear resistance, the decoration performance and the like of the anodic oxide films are obviously improved and enhanced.

The stability of the electrolyte temperature plays an important role in forming an anodic aluminum oxide film with a regular nano-pore array, and when the temperature is too low, the brittleness of the film is increased. Therefore, in the preparation process, it is important to ensure the temperature stability and uniformity of the electrolyte, and the existing preparation equipment can only electrolyze one workpiece at a time, so that the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alumina membrane electrolytic preparation device, it makes the temperature of electrolyte keep at even stable state, and processing quantity is many, and production efficiency is high.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

an electrolytic preparation device for an alumina film comprises a bottom plate, wherein an electrolytic cell is fixed on the bottom plate, heat preservation cavities are arranged on the side wall and the bottom surface of the electrolytic cell, a plurality of heating wires are arranged in the heat preservation cavities, a water inlet pipe penetrating through the outer side wall of the electrolytic cell is arranged on one side of the heat preservation cavity, a temperature sensor is arranged on the inner wall of the electrolytic cell, an L-shaped lifting rod is arranged on one side of the electrolytic cell on the bottom plate, a controller is arranged on the side surface of the L-shaped lifting rod, a motor is fixed on the bottom surface of a transverse plate of the L-shaped lifting rod, a connecting shaft is fixed on the output end of the motor, a connecting cover is fixed at the bottom of the connecting shaft, two support plates which are arranged opposite to each other are vertically arranged on the bottom surface of the connecting cover, a plurality of chutes are arranged on one side of the two, the electric heating wire, the motor, the L-shaped lifting rod and the temperature sensor are respectively connected with a controller, and the controller is connected with a power supply.

Furthermore, the electrolytic cell is of a barrel structure, the area of the connecting cover is larger than or equal to the area of the opening of the electrolytic cell, a flange is arranged on the upper surface of the electrolytic cell, a flange groove is formed in the bottom surface of the connecting cover, and the flange is matched with the flange groove.

Furthermore, one side of the heat preservation cavity close to the bottom is provided with a water outlet pipe penetrating through the side wall of the electrolytic cell, and the opening of the water outlet pipe is blocked by a threaded cover.

Contrast prior art, the beneficial effects of the utility model reside in that:

the lateral wall and the bottom of electrolytic cell are equipped with the heat preservation chamber, add water to the heat preservation intracavity through the inlet tube, it makes the temperature of electrolyte rise to add hot water through the heating wire, stop the heating after reaching the temperature promptly, can make the temperature of electrolyte keep at a stable temperature, the motor makes the backup pad rotatory simultaneously, can let the temperature of electrolyte more even, the concentration that can also make electrolyte keeps even state, it is more abundant to make the electrolysis, and be equipped with a plurality of spouts in the backup pad, sliding connection has aluminium foil board and inert plate electrode in the spout in turn, can once carry out the electrolytic preparation to a plurality of work pieces, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural sectional view of the present invention.

Reference numerals shown in the drawings:

1. a base plate; 2. an electrolytic cell; 3. a heat preservation cavity; 4. an electric heating wire; 5. a water inlet pipe; 6. a temperature sensor; 7. an L-shaped lifting rod; 8. a controller; 9. a motor; 10. a connecting shaft; 11. a connecting cover; 12. a support plate; 13. a chute; 14. an aluminum plate; 15. an inert electrode plate; 16. a flange; 17. a flange groove; 18. and (5) discharging a water pipe.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The utility model relates to an alumina membrane electrolytic preparation device, the main structure comprises a bottom plate 1, an electrolytic cell 2 is fixed on the bottom plate 1, the side wall and the bottom surface of the electrolytic cell 2 are both provided with a heat preservation cavity 3, a plurality of heating wires 4 are arranged in the heat preservation cavity 3, one side of the heat preservation cavity 3 is provided with a water inlet pipe 5 which runs through the outer side wall of the electrolytic cell 2, water is added into the heat preservation cavity 3 through the water inlet pipe 5, then the water is heated through the heating wires 4, the temperature of the water is transmitted to electrolyte through the wall of the electrolytic cell 2, so that the electrolyte keeps a stable temperature, the inner wall of the electrolytic cell 2 is provided with a temperature sensor 6 for monitoring the temperature of the electrolyte, an L-shaped lifting rod 7 is arranged on one side of the electrolytic cell 2 on the bottom plate 1, the L-shaped lifting rod 7 can be a high-speed motor which rotates to drive a screw rod to rotate to, the automatic control is realized, the labor is saved, the motor 9 is fixed on the bottom surface of the transverse plate of the L-shaped lifting rod 7, the motor is a low-speed motor 9, a connecting shaft 10 is fixed at the output end of the motor 9, a connecting cover 11 is fixed at the bottom of the connecting shaft 10, two support plates 12 arranged at opposite sides are vertically arranged on the bottom surface of the connecting cover 11, a plurality of sliding grooves 13 are arranged on one side of the two support plates 12 along the vertical direction, electrodes can be arranged in the sliding grooves 13, the opposite sides of the sliding grooves 13 are arranged, aluminum plates 14 and inert electrode plates 15 are alternately connected in the sliding grooves 13 in a sliding manner, a plurality of workpieces are processed at one time, the production efficiency is improved, the electric heating wire 4, the motor 9, the L-shaped lifting rod 7 and the temperature sensor 6 are respectively connected with a controller 8, the controller 8 is connected with a power supply, through 8 analysis of controller and control each spare part, effectively reduce staff's intensity of labour.

The clearance between connection lid 11 and the 2 upper surfaces of electrolytic cell can make the temperature of electrolyte run off, makes the operating time of heating wire 4 lengthen, and the power consumption increases, causes unnecessary wasting of resources, electrolytic cell 2 is the cask structure, the area of connection lid 11 is more than or equal to 2 open-ended areas of electrolytic cell, the upper surface of electrolytic cell 2 is equipped with flange 16, connection lid 11 bottom surface is equipped with flange recess 17, flange 16 and the cooperation of flange recess 17, and the rotatory cooperation between flange recess 17 and the flange 16 can not be hindered to electrolytic cell 2 of cask structure, guarantees the normal use of device, can also make the area maximize of work piece, makes 2 inside confined spaces that form of electrolytic cell simultaneously, can not cause the heat to run off, reduces the operating time of heating wire 4, practices thrift power resource.

The water in heat preservation chamber 3 can form the scale after the heating, and simple drawing water from inlet tube 5 can not effectively be cleared up, and the scale can be attached to 4 surfaces of heating wire in addition, influences the normal work of heating wire 4, increases the consumption, one side that heat preservation chamber 3 is close to the bottom is equipped with the outlet pipe 18 that runs through 2 lateral walls of electrolytic bath, 18 mouths of outlet pipe pass through the screw cap shutoff, and outlet pipe 18 is located 2 bottoms of electrolytic bath, can effectively discharge the water in heat preservation chamber 3, can also clear up the scale of heat preservation chamber 3 inside through the mode that inlet tube 5 added water outlet pipe 18 and drained water, prolongs the life of heating wire 4, reduces the consumption.

Example 1: an electrolytic preparation device for an alumina film comprises a bottom plate 1, wherein an electrolytic cell 2 of a barrel structure is welded on the bottom plate 1, heat preservation cavities 3 are respectively arranged on the side wall and the bottom surface of the electrolytic cell 2, 6 heating wires 4 are arranged in the heat preservation cavities 3, a water inlet pipe 5 penetrating through the outer side wall of the electrolytic cell 2 is arranged on one side of each heat preservation cavity 3, a water outlet pipe 18 penetrating through the side wall of the electrolytic cell 2 is arranged on one side, close to the bottom, of each heat preservation cavity 3, the opening of each water outlet pipe 18 and the opening of each water inlet pipe 5 are plugged through threaded covers, a circular flange 16 is arranged on the upper surface of the electrolytic cell 2, a temperature sensor 6 is fixed on the inner wall of the electrolytic cell 2, a lead screw driven L-shaped lifting rod 7 is arranged on one side of the bottom plate 1, a PLC (programmable logic controller) 8 is arranged on the side surface of the L-shaped lifting rod 7, a low-speed motor 9, the output of motor 9 is fixed with connecting axle 10, the bottom of connecting axle 10 is fixed with connects lid 11, the area of connecting lid 11 equals with 2 open-ended areas of electrolytic bath, it is equipped with flange recess 17 to connect 11 bottom surfaces of lid, flange 16 and the cooperation of flange recess 17, the vertical welding in bottom surface of connecting lid 11 has two backup pad 12 that offside set up, two one side of backup pad 12 is equipped with 8 spout 13 along vertical direction, spout 13 offside sets up, sliding connection in turn has aluminum plate 14 and graphite cake in the spout 13, heating wire 4, motor 9, L type lifter 7 and temperature sensor 6 are connected with controller 8 respectively, controller 8 is connected with the power.

When the device is used, water is firstly added into the heat preservation cavity 3 through the water inlet pipe 5, electrolyte is added into the electrolytic cell 2, aluminum plates 14 and graphite plates are alternately inserted into the sliding groove 13, the controller 8 controls the electric heating wire 4 to work to raise the water temperature to heat the electrolyte, the heating is stopped after the temperature detected by the temperature sensor 6 reaches the standard, the L-shaped lifting rod 7 is controlled by the controller 8 to descend until the flange 16 is attached to the flange groove 17, then the low-speed motor 9 is controlled to rotate to start electrolytic preparation, when the temperature sensor 6 detects that the temperature of the electrolyte is reduced, the controller 8 controls the electric heating wire 4 to heat, the electric heating wire 4 is controlled to stop working after the temperature reaches the specified temperature, the workpiece rotates at low speed in the electrolytic cell 2, the mobility of the electrolyte can be ensured, the electrolysis is more sufficient, the temperature of the electrolyte can be ensured to be more uniform, and a plurality of workpieces, the production efficiency is improved.

Claims

1. An electrolytic preparation device of an alumina film is characterized in that: comprises a bottom plate (1), an electrolytic cell (2) is fixed on the bottom plate (1), a heat preservation cavity (3) is arranged on the side wall and the bottom surface of the electrolytic cell (2), a plurality of heating wires (4) are arranged in the heat preservation cavity (3), a water inlet pipe (5) penetrating through the outer side wall of the electrolytic cell (2) is arranged on one side of the heat preservation cavity (3), a temperature sensor (6) is arranged on the inner wall of the electrolytic cell (2), an L-shaped lifting rod (7) is arranged on one side of the electrolytic cell (2) on the bottom plate (1), a controller (8) is arranged on the side surface of the L-shaped lifting rod (7), a motor (9) is fixed on the bottom surface of a transverse plate of the L-shaped lifting rod (7), a connecting shaft (10) is fixed on the output end of the motor (9), a connecting cover (11) is fixed on the bottom of the connecting shaft (10), two supporting plates (12), two one side of backup pad (12) is equipped with a plurality of spouts (13) along vertical direction, spout (13) offside setting, sliding connection in turn has aluminum plate (14) and inert electrode board (15) in spout (13), heating wire (4), motor (9), L type lifter (7) and temperature sensor (6) are connected with controller (8) respectively, controller (8) are connected with the power.

2. The apparatus for electrolytically producing an aluminum oxide film as set forth in claim 1, wherein: electrolytic cell (2) are cask structure, the area of connecting lid (11) is more than or equal to electrolytic cell (2) open-ended area, the upper surface of electrolytic cell (2) is equipped with flange (16), it is equipped with flange recess (17) to connect lid (11) bottom surface, flange (16) and flange recess (17) cooperation.

3. The apparatus for electrolytically producing an aluminum oxide film as set forth in claim 1, wherein: one side of the heat preservation cavity (3) close to the bottom is provided with a water outlet pipe (18) penetrating through the side wall of the electrolytic cell (2), and the opening of the water outlet pipe (18) is blocked by a threaded cover.