CN216947252U

CN216947252U - Special anodic oxidation equipment for hydraulic valve body

Info

Publication number: CN216947252U
Application number: CN202121782907.XU
Authority: CN
Inventors: 李云飞; 孙廉杰; 王正松
Original assignee: Jiangsu Jinrun Automobile Transmission Technology Co ltd
Current assignee: Jiangsu Jinrun Automobile Transmission Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-07-12
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses special anodic oxidation equipment for a hydraulic valve body, which comprises two parallel brackets and a frame fixed on the brackets; the top end of the support is higher than the frame and is provided with a hook, and a copper conductive column is fixed on the hook; the frame is provided with a plurality of layers of cross beams, and a bottom bracket is fixed on each cross beam; the frame is also fixed with a plurality of layers of hanging racks, and the hanging racks are provided with a plurality of clamps; the cross beam and the hanging rack are arranged at intervals, and the cross beam and the adjacent hanging rack positioned on the upper side of the cross beam jointly oxidize a layer of hydraulic valve body. The utility model has the advantages of convenient use, convenient and rapid discharge of residual liquid, uniform oxidation, reduced shaking, good conductivity and compact structure.

Description

Special anodic oxidation equipment for hydraulic valve body

Technical Field

The utility model relates to surface treatment of a hydraulic valve body, in particular to special anodic oxidation equipment for a hydraulic valve body.

Background

The hydraulic valve body is formed by high-pressure casting of an ADC12 aluminum alloy material, and because the material has low hardness (about 80-110 HBW) and poor wear resistance, the valve hole is often worn after being rubbed with the valve core for a long time, so that corresponding surface treatment is often needed before the hydraulic valve body is used to improve the wear resistance and prolong the service life. In industry, anodic oxidation is more and more widely adopted to form a compact oxide film on the surface of a valve body so as to achieve the purposes of improving wear resistance and prolonging service life.

The prior art scheme mainly has the following three defects when realizing the oxidation purpose: 1. because the hanger shakes the range greatly in the oxidation pond, the product adds factors such as the point distribution is unreasonable and leads to the oxide layer inhomogeneous, is difficult to control the degree of consistency of the interior oxide layer of valve body hole to influence the cylindricity of case hole (cylindricity generally requires to be less than 8 mu m), must improve cylindricity through later stage increase roll-in technology, increase technology not only has increased manufacturing cost, has also increased the condemned risk of process simultaneously. 2. The conductivity is poor, when carrying out mass anodic oxidation production, defects such as burning, color leakage appear easily in the product to every titanium alloy hanger commonality is poor, and every product of producing just must change a set of hanger, and is with high costs. 3. Because the product structure is complicated, be covered with tortuous oil circuit, the residual liquid is difficult to get rid of completely after the oxidation, influences the product cleanliness. Therefore, the defects of the above patents become a technical problem in the industry.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the hydraulic valve body is convenient to use, convenient for quickly discharging residual liquid, uniform in oxidation, good in conductivity and compact in structure, and shaking is reduced.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: the special anodic oxidation equipment for the hydraulic valve body comprises two parallel brackets and a frame fixed on the brackets;

the top end of the support is higher than the frame and is provided with a hook, and a copper conductive column is fixed on the hook;

the frame is provided with a plurality of layers of beams, and a bottom bracket is fixed on each beam; the frame is also fixed with a plurality of layers of hanging racks, and the hanging racks are provided with a plurality of clamps;

the cross beam and the hanging rack are arranged at intervals, and the cross beam and the adjacent hanging rack positioned on the upper side of the cross beam jointly oxidize a layer of hydraulic valve body.

Furthermore, the bottom bracket comprises a first section fixed on the beam and a second section which is inclined upwards and outwards from the first section, a first foot and a second foot are arranged on the second section in an extending mode, and a V shape is formed between the first foot and the second foot.

Further, the first foot and the second foot are both arranged by adopting round corners.

Furthermore, a mounting rod is fixed on the hanging rack, and a plurality of clamps are movably arranged on the mounting rod.

Further, the installation rod is in a trapezoidal arrangement.

Further, anchor clamps include clamping part, hang and hold the portion, the clamping part is kept away from hang the position of holding the portion and seted up the centre gripping groove, the centre gripping groove be with installation pole assorted trapezoidal form.

Furthermore, a side support and a rear support are fixed on the frame, and the two side supports, the rear support and the hanging rack form a rectangle.

Further, the length of the clamp from the frame is greater than the length of the bottom bracket from the frame.

Further, a balance plate is fixed at the bottom end of the support.

Further, the balance plate is long and flat.

In conclusion, the utility model achieves the following technical effects:

1. the quick-change clamp can realize quick exchange of different valve body products;

2. the utility model can improve the uniformity of the oxide layer of the product by utilizing different positions of the clamp and the bottom bracket, ensure that the cylindricity of the valve hole is less than 8 mu m after direct oxidation and save the subsequent rolling procedure;

3. the utility model enables the product to be placed obliquely, and solves the problem that the residual oxidizing solution is clear and difficult;

4. the lower end of the utility model adopts a long flat balance plate, thus reducing the swinging frequency of the hanger in the oxidation tank.

Drawings

FIG. 1 is a schematic diagram of an anodic oxidation apparatus dedicated for a hydraulic valve provided in an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is an enlarged schematic view of portion A of FIG. 1;

FIG. 5 is an enlarged schematic view of portion B of FIG. 1;

FIG. 6 is an enlarged schematic view of portion C of FIG. 2;

FIG. 7 is an enlarged schematic view of portion D of FIG. 1;

fig. 8 is a schematic view of a clamp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

as shown in fig. 1 to 3, the special anodizing apparatus for the hydraulic valve body comprises two parallel brackets 2 and a frame 5 fixed on the brackets 2. The bracket 2 and the frame 5 are made of titanium alloy, so that the strength is improved.

As shown in fig. 4, the top end of the support 2 is higher than the frame 5 and is provided with a hook 3, and a copper conductive column 4 is fixed on the hook 3 to enhance conductivity.

As shown in fig. 1, a multi-layer beam 6 is arranged on a frame 5, and a bottom bracket 12 is fixed on the beam 6; a plurality of layers of hangers 9 are fixed on the frame 5, and a plurality of clamps 11 are arranged on the hangers 9; the cross beam 6 and the hanging rack 9 are arranged at intervals, and the cross beam 6 and the adjacent hanging rack 9 on the upper side of the cross beam jointly oxidize a layer of hydraulic valve body. In this embodiment, a triple-layer beam 6 is provided, a bottom bracket 12 is fixed on the triple-layer beam 6, a triple-layer hanger 9 is also provided, a plurality of clamps 11 are fixed on the triple-layer hanger 9, meanwhile, the triple-layer bottom bracket 12 is arranged from the second-layer hanger 9, and the bottom bracket 12 of each layer is fixed on the inner upper portion of the layer of hanger 9. Therefore, the hydraulic valve bodies of one layer can be hung on the bottom bracket 12 and the hanging bracket 9 of one layer, so that the space is saved, and the hanging stability is also ensured.

As shown in fig. 5 and 6, the bottom bracket 12 includes a first section 121 fixed on the cross member 6, and a second section 122 inclined upward and outward from the first section 121, wherein a first leg 123 and a second leg 124 extend from the second section 122, and a V-shape is formed between the first leg 123 and the second leg 124. The V style of calligraphy increasees and the hydraulic valve body between the location point, when using, three anchor clamps 11 collocation V style of calligraphy bottom bracket 12 has increased the contact point of part and hanger (3 point location generally only 3 contact points, "V" type structure can increase to 6 point contacts), adopts the copper product material with product contact department simultaneously, reinforcing electric conductivity has improved the homogeneity of oxide layer.

First foot 123 and second foot 124 all adopt the fillet setting, can not harm the hydraulic valve body.

As shown in fig. 1, a mounting rod 10 is fixed on the hanger 9, and a plurality of clamps 11 are movably arranged on the mounting rod 10.

As shown in fig. 7, the mounting bar 10 is trapezoidal in shape. As shown in fig. 8, the clamp 11 includes a clamping portion 111 and a hanging portion 113, a clamping groove 112 is formed in a position of the clamping portion 111 away from the hanging portion 113, and the clamping groove 112 is in a trapezoidal shape matching with the mounting rod 10. When the clamping rod is used, the clamping grooves 112 are embedded along the trapezoid of the mounting rod 10, so that the mounting and the dismounting are convenient, the distance between the adjacent clamps 11 can be adjusted conveniently to adapt to hydraulic valve bodies of different specifications, the quick change can be realized, and the replacement of different products can be realized.

As shown in fig. 1, the frame 5 is further fixed with a side bracket 8 and a rear bracket 7, and the two side brackets 8, the rear bracket 7 and the hanger 9 form a rectangle, so that the overall stability is improved, and the condition that the hanger cannot shake is ensured.

The length of the clamp 11 from the frame 5 is greater than that of the bottom support 12 from the frame 5, so that the product is in a downward inclined posture, and residual liquid in the valve body oil path groove can flow out conveniently.

The bottom end of the bracket 2 is fixed with a balance plate 1, the balance plate 1 is flat, and the swinging frequency of the hanger in the oxidation tank, namely the swinging frequency of the product in the oxidation tank, is reduced so as to improve the uniformity of the oxidation film.

The anodic oxidation equipment for the valve body has the advantages of strong universality, uniform oxidation layer, strong conductivity and convenience for discharging residual liquid, is convenient to use and uniform in oxidation, and can be used for quickly discharging residual liquid.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications, equivalent variations and modifications made to the above embodiment according to the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a special anodic oxidation equipment of hydraulic valve body which characterized in that: comprises two parallel brackets (2) and a frame (5) fixed on the brackets (2);

the top end of the support (2) is higher than the frame (5) and is provided with a hook (3), and a copper conductive column (4) is fixed on the hook (3);

a plurality of layers of beams (6) are arranged on the frame (5), and a bottom bracket (12) is fixed on each beam (6); a plurality of layers of hangers (9) are further fixed on the frame (5), and a plurality of clamps (11) are arranged on the hangers (9);

the cross beam (6) and the hanging rack (9) are arranged at intervals, and the cross beam (6) and the adjacent hanging rack (9) positioned on the upper side of the cross beam jointly oxidize a layer of hydraulic valve body.

2. The special anodizing apparatus for the hydraulic valve body according to claim 1, wherein: the bottom bracket (12) comprises a first section (121) fixed on the cross beam (6) and a second section (122) which is inclined upwards and outwards from the first section (121), a first foot (123) and a second foot (124) are arranged on the second section (122) in an extending mode, and a V shape is formed between the first foot (123) and the second foot (124).

3. The special anodizing apparatus for the hydraulic valve body according to claim 2, wherein: the first foot (123) and the second foot (124) are arranged in a round angle mode.

4. The special anodizing apparatus for the hydraulic valve body according to claim 1, wherein: the hanging rack (9) is fixedly provided with a mounting rod (10), and the mounting rod (10) is movably provided with a plurality of clamps (11).

5. The special anodizing apparatus for the hydraulic valve body according to claim 4, wherein: the mounting rod (10) is arranged in a trapezoidal shape.

6. The special anodizing apparatus for the hydraulic valve body according to claim 5, wherein: anchor clamps (11) include clamping part (111), hang and hold portion (113), clamping part (111) are kept away from centre gripping groove (112) have been seted up to the position of hanging holding portion (113), clamping groove (112) be with installation pole (10) assorted trapezoidal form.

7. The special anodizing apparatus for the hydraulic valve body according to claim 1, wherein: the frame (5) is further fixed with side brackets (8) and a rear bracket (7), and the two side brackets (8), the rear bracket (7) and the hanging rack (9) form a rectangle.

8. The special anodizing apparatus for the hydraulic valve body according to claim 1, wherein: the length of the clamp (11) from the frame (5) is greater than that of the bottom bracket (12) from the frame (5).

9. The special anodizing apparatus for the hydraulic valve body according to claim 1, wherein: and a balance plate (1) is fixed at the bottom end of the support (2).

10. The special anodizing apparatus for the hydraulic valve body according to claim 9, wherein: the balance plate (1) is long and flat.