CN219430148U - Micro-arc oxidation device for aluminum alloy part surface - Google Patents

Abstract

The utility model discloses a micro-arc oxidation device for the surface of an aluminum alloy part, which relates to the field of aluminum alloy part processing and comprises an electrolytic tank, an anode contact structure and an aluminum alloy part, wherein the anode contact structure is arranged in the electrolytic tank, a disc is arranged above the electrolytic tank, a positioning mechanism is arranged on the disc, the positioning mechanism comprises four sliding grooves which radially penetrate through the disc along the disc and are respectively connected with the four sliding grooves in a sliding manner, four positioning blocks and a driving assembly, the driving assembly is used for respectively driving the four positioning blocks to move along the sliding grooves, and a lifting mechanism is further arranged on one side of the top of the electrolytic tank and is used for driving the disc to move along the height direction of the electrolytic tank; according to the micro-arc oxidation device for the surface of the aluminum alloy part, through the cooperation of all parts of the positioning mechanism, the bottom support of the positioning block to the aluminum alloy part can be replaced reciprocally, so that the aluminum alloy part is ensured to be subjected to uniform micro-arc oxidation treatment in electrolyte, and the problem of insufficient micro-arc oxidation treatment of the aluminum alloy part is avoided.

Description

Micro-arc oxidation device for aluminum alloy part surface

Technical Field

The utility model relates to an aluminum alloy part processing technology, in particular to a micro-arc oxidation device for the surface of an aluminum alloy part.

Background

The micro-arc oxidation technology is a technology for growing a layer of oxide film similar to ceramic on the surface of aluminum alloy and the like by utilizing the principles of plasma chemistry and electrochemistry. The generated oxide film is firmly combined with the base metal, has a certain thickness, and can greatly improve the wear resistance and corrosion resistance of the surfaces of metals such as aluminum and the like. Micro-arc oxidation technology has been widely used in the aerospace, mechanical, electronic and other industries, in which an aluminum alloy workpiece is generally immersed directly in an electrolytic tank containing electrolyte, and the arc discharge is used to enhance and activate the reaction on an anode.

The utility model discloses a micro-arc oxidation device for the surface of an aluminum alloy part, which comprises an electrolytic tank, wherein an anode contact structure is arranged in the electrolytic tank, a support is arranged on the electrolytic tank, a lifting cross rod is arranged on the support, a clamping seat is arranged at the bottom of the lifting cross rod, L-shaped clamping rods are symmetrically arranged on the side parts of the bottom surface of the clamping seat, the corners of the L-shaped clamping rods are connected to the side parts of the bottom surface of the clamping seat through pin shafts, an n-shaped pressing rod is arranged in the middle of the bottom surface of the clamping seat, the top center of the n-shaped pressing rod is connected to the middle of the bottom surface of the clamping seat through a movable shaft, the top end of one L-shaped clamping rod is positioned in a concave part of the n-shaped pressing rod, a lifting cylinder is arranged on the lifting cross rod, and the piston shaft of the lifting cylinder is connected to the top end of the L-shaped clamping rod through a guy cable. The utility model has reasonable structure arrangement, convenient operation, good use stability and strong applicability, can ensure the stability of clamping, reduce the contact area, and is beneficial to micro-arc oxidation operation;

with respect to the related art in the above, the inventors consider that there are the following drawbacks: the L-shaped clamping rod, the round table-shaped rubber pressing column, the n-shaped pressing rod and the inverted conical rubber pressing column used for fixing the aluminum alloy part are always abutted on the outer wall of the aluminum alloy part when the aluminum alloy part is subjected to micro-arc oxidation treatment, so that insufficient micro-arc oxidation treatment or long micro-arc oxidation treatment time is easily caused on the surface of the aluminum alloy part, and in order to avoid the occurrence of the problems, the micro-arc oxidation device for the surface of the aluminum alloy part is provided.

Disclosure of Invention

The utility model aims to provide a micro-arc oxidation device for the surface of an aluminum alloy part, which aims to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a micro-arc oxidation device for aluminum alloy spare surface, includes electrolysis trough, positive pole contact structure and aluminum alloy spare, positive pole contact structure installs the inside at the electrolysis trough, the top of electrolysis trough is provided with the disc, install positioning mechanism on the disc, positioning mechanism includes along the radial four spouts of seting up in its inside, four locating pieces of sliding connection respectively in four spouts and the drive assembly who is used for driving four locating pieces respectively along the removal of respective spout of running through of disc, one side at electrolysis trough top still is provided with the elevating system who is used for driving the disc and moves along the electrolysis trough direction of height.

Further, the discharge opening is formed in the disc in a penetrating mode, and the four sliding grooves are distributed in an annular array with the discharge opening as the center.

Further, the locating blocks are of L-shaped structures, and the aluminum alloy piece is arranged among the four locating blocks.

Further, the lifting mechanism comprises a motor arranged above the electrolytic tank, a screw rod fixedly connected to the output end of the motor and a connecting block screwed outside the screw rod, the connecting block is fixedly connected with the disc, the screw rod rotates along the height direction of the electrolytic tank, and the bottom end of the screw rod is rotationally connected with the top of the electrolytic tank.

Further, a vertical plate is fixedly connected to one side of the top of the electrolytic tank along the height direction of the electrolytic tank, and the outer wall of the connecting block is abutted to the outer wall of the vertical plate.

Further, the drive assembly includes the electric putter of installing on the connecting block and four slide bars of rigid coupling respectively on four locating pieces keep away from the outer wall of drain hole one side, electric putter's extension end and the outer wall rigid coupling of one of them locating piece, four the one end that the drain hole was kept away from to the slide bar all extends to the outside of disc, and adjacent two hinge through the connecting rod between the slide bar.

Compared with the prior art, the micro-arc oxidation device for the surface of the aluminum alloy part provided by the utility model can reciprocally replace the bottom support of the positioning block on the aluminum alloy part through the matching of all parts of the positioning mechanism, thereby ensuring that the aluminum alloy part is subjected to uniform micro-arc oxidation treatment in electrolyte and avoiding the problem of insufficient micro-arc oxidation treatment of the aluminum alloy part.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of a first perspective of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a second perspective of the overall structure according to the embodiment of the present utility model;

fig. 3 is a schematic top view of an overall structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. an electrolytic cell; 2. a disc; 3. a chute; 4. a positioning block; 5. a discharge port; 6. an anode contact structure; 7. a motor; 8. a screw rod; 9. a connecting block; 10. a vertical plate; 11. an electric push rod; 12. a slide bar; 13. and (5) connecting a rod.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Examples:

referring to fig. 1-3, a micro-arc oxidation device for aluminum alloy surface includes an electrolytic tank 1, an anode contact structure 6 and an aluminum alloy, wherein the anode contact structure 6 is installed inside the electrolytic tank 1, the anode contact structure 6 is in the prior art, and the micro-arc oxidation device disclosed in chinese patent publication No.: the technical scheme of the application is that the anode contact structure 6 in the technical scheme is completely the same as the structure and the function of the anode contact structure in the technical scheme of the CN208829776U, so that the technical scheme is not described in detail, a disc 2 is arranged above the electrolytic tank 1, a positioning mechanism is arranged on the disc 2, the positioning mechanism comprises four sliding grooves 3 radially penetrating through the disc 2, four positioning blocks 4 respectively sliding in the four sliding grooves 3 and a driving component for driving the four positioning blocks 4 to move along the sliding grooves 3 respectively, the positioning blocks 4 are L-shaped structures, the aluminum alloy part is arranged between the four positioning blocks 4, the driving component comprises an electric push rod 11 arranged on a connecting block 9 and four sliding rods 12 respectively fixedly connected on the outer walls of one side of the four positioning blocks 4 away from a discharge hole 5, the electric push rod 11 is electrically connected with an external PLC programming program, the extension end of the electric push rod 11 is fixedly connected with the outer wall of one positioning block 4, one end of each of four slide bars 12, which is far away from the discharging hole 5, extends to the outside of the disc 2, two adjacent slide bars 12 are hinged through a connecting rod 13, the discharging hole 5 is arranged in the disc 2 in a penetrating way, four slide grooves 3 are distributed in an annular array with the discharging hole 5 as the center, one positioning block 4 is driven to move back and forth along the inner wall of the slide groove 3 by controlling the electric push rod 11 to reciprocate, the slide bars 12 move along with the slide bars, when the positioning blocks 4 opposite to the positioning blocks 4 are driven to approach each other by the connecting rod 13 between the two adjacent slide bars 12, the other two positioning blocks 4 are mutually far away, otherwise, when the positioning blocks 4 opposite to the positioning blocks 4 are driven to be mutually far away, the other two positioning blocks 4 are mutually close, so that the positioning blocks 4 are reciprocally replaced to support the bottom of the aluminum alloy piece, and further, uniform and full micro-arc oxidation treatment of the aluminum alloy piece in electrolyte is ensured;

the utility model provides a still be provided with the elevating system who is used for driving disc 2 along the direction of height of electrolysis trough 1, elevating system is including setting up motor 7 in electrolysis trough 1 top, the lead screw 8 of rigid coupling at motor 7 output and the connecting block 9 of spiro union outside at lead screw 8, motor 7 and outside PLC programming electric connection, connecting block 9 and disc 2 rigid coupling are in the same place, lead screw 8 rotates along the direction of height of electrolysis trough 1, and the bottom of lead screw 8 is connected with the top rotation of electrolysis trough 1, one side at electrolysis trough 1 top has riser 10 along its direction of height rigid coupling, the outer wall of connecting block 9 and the outer wall butt of riser 10, after the aluminum alloy spare is placed between four locating pieces 4, drive lead screw 8 through starter motor 7, thereby drive connecting block 9 along the vertical downward movement of outer wall of riser 10, and then drive the aluminum alloy spare between four locating pieces 4 to move down to the inside electrolyte of electrolysis trough 1 through disc 2, after the micro-arc oxidation of aluminum alloy spare is accomplished, drive lead screw 8 towards opposite direction rotation through motor 7, and then drive the upward movement of locating piece 9, thereby drive the inside of the aluminum alloy spare between four locating pieces 4 and shift out upward.

Working principle: when the aluminum alloy part is used, firstly, the aluminum alloy part is placed between the four positioning blocks 4 through the discharging hole 5, the positioning blocks 4 support the aluminum alloy part, then the lead screw 8 is driven to rotate through the starting motor 7, so that the connecting block 9 is driven to vertically move downwards along the outer wall of the vertical plate 10, and then the aluminum alloy part between the four positioning blocks 4 is driven to move downwards into electrolyte in the electrolytic tank 1 through the disc 2, micro-arc oxidation treatment is carried out on the aluminum alloy part through the anode contact structure 6 and the electrolyte, in the process, the electric push rod 11 is controlled to reciprocate, one positioning block 4 is driven to move back and forth along the inner wall of the chute 3, the slide rod 12 moves along with the positioning block, when the positioning blocks 4 opposite to the positioning blocks 4 are driven to mutually approach through the connecting rod 13 between the two adjacent slide rods 12, otherwise, the other two positioning blocks 4 are driven to mutually approach each other, and when the positioning blocks 4 opposite to the positioning blocks 4 are driven to mutually approach each other, so that the bottom support of the aluminum alloy part is reciprocally replaced, and even and full arc oxidation treatment is carried out in the electrolyte, after the motor oxidation of the aluminum alloy part is completed, the positioning blocks 4 are driven to move upwards through the lead screw 8, and the micro-arc oxidation treatment is carried out, and the positioning blocks 4 are driven to move upwards, and then the positioning blocks 4 are driven to move upwards, and the inside the positioning block 4 are driven to move upwards, and the positioning block 4 are driven upwards, and move upwards, and are opposite to move.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The utility model provides a micro-arc oxidation device for aluminum alloy spare surface, includes electrolysis trough (1), positive pole contact structure (6) and aluminum alloy spare, a serial communication port, positive pole contact structure (6) are installed in the inside of electrolysis trough (1), the top of electrolysis trough (1) is provided with disc (2), install positioning mechanism on disc (2), positioning mechanism includes along four spout (3) of radially running through seting up in its inside of disc (2), four locating pieces (4) of sliding connection respectively in four spout (3) inside and be used for driving the drive assembly that four locating pieces (4) removed along respective spout (3) respectively, one side at electrolysis trough (1) top still is provided with the elevating system who is used for driving disc (2) and moves along electrolysis trough (1) direction of height.

2. The micro-arc oxidation device for the surface of an aluminum alloy part according to claim 1, wherein a discharge opening (5) is formed in the disc (2) in a penetrating manner, and four sliding grooves (3) are distributed in an annular array with the discharge opening (5) as a center.

3. The micro-arc oxidation device for the surface of an aluminum alloy part according to claim 1, wherein the positioning blocks (4) are of an L-shaped structure, and the aluminum alloy part is arranged among four positioning blocks (4).

4. The micro-arc oxidation device for the surface of an aluminum alloy part according to claim 1, wherein the lifting mechanism comprises a motor (7) arranged above the electrolytic tank (1), a screw rod (8) fixedly connected to the output end of the motor (7) and a connecting block (9) screwed outside the screw rod (8), the connecting block (9) is fixedly connected with the disc (2), the screw rod (8) rotates along the height direction of the electrolytic tank (1), and the bottom end of the screw rod (8) is rotationally connected with the top of the electrolytic tank (1).

5. The micro-arc oxidation device for the surface of an aluminum alloy part according to claim 4, wherein a vertical plate (10) is fixedly connected to one side of the top of the electrolytic tank (1) along the height direction of the electrolytic tank, and the outer wall of the connecting block (9) is abutted to the outer wall of the vertical plate (10).

6. The micro-arc oxidation device for the surface of an aluminum alloy part according to claim 4, wherein the driving assembly comprises an electric push rod (11) arranged on a connecting block (9) and four sliding rods (12) fixedly connected to the outer wall of one side of the four positioning blocks (4) far away from the discharging hole (5), the extending end of the electric push rod (11) is fixedly connected with the outer wall of one positioning block (4), the ends of the four sliding rods (12) far away from the discharging hole (5) are all extended to the outer part of the disc (2), and two adjacent sliding rods (12) are hinged through a connecting rod (13).