Electroplating hanger for improving uniformity of electroplated layer

Abstract

The utility model belongs to the technical field of electroplating hangers, and particularly relates to an electroplating hanger capable of improving the uniformity of an electroplated layer, which comprises a hanger main frame body and a hanger auxiliary frame body arranged in the hanger main frame body at an interval, clamping parts are arranged on the surfaces of the side arms at intervals in the extending direction of the side arms, the clamping parts between the two side arms are arranged in a one-to-one opposite mode, pincerlike structures are formed at the tail ends of the clamping parts so as to clamp an electroplating workpiece, limiting parts are arranged at the tail ends of the clamping parts, and when the electroplating workpiece is clamped, the limiting parts are matched with the clamping parts. And the clamping part is in point contact with the electroplated workpiece through the limiting part. According to the electroplating hanger disclosed by the utility model, the limiting part which is of the columnar structure and is in point contact with the heat dissipation cover is arranged at the tail end of the clamping part of the existing electroplating hanger, so that the contact area between the limiting part and the heat dissipation cover can be reduced during electroplating, and a plating layer can be uniformly formed on the surface of the heat dissipation cover by plating metal, so that the electroplating uniformity is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electroplating hanger, specifically relates to an electroplating hanger for improving the uniformity of electroplated layer. BACKGROUND

[0002] Electroplating is a process of plating a thin layer of other metal or alloy on the surface of certain metal by electrolysis, which is a technology of attaching a metal film to the surface of metal or other material parts by electrolysis to prevent metal oxidation (such as rust), improve wear resistance, electrical conductivity, light reflectivity, corrosion resistance, and enhance aesthetics;

[0003] During electroplating, an electroplating hanger is usually used to clamp or hang the workpiece, for example, in the field of semiconductors, when electroplating a heat dissipation cover (sheet), the heat dissipation cover (sheet) is usually clamped on the clamp of the electroplating hanger, and the electroplating process is completed through processes such as oil removal, ultrasonic cleaning, electroplating, cleaning, and drying.

[0004] Therefore, the utility model provides an electroplating hanger for improving the uniformity of electroplated layer to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model provides the following technical scheme: an electroplating hanger for improving the uniformity of electroplated layer, which comprises a hanger main frame body and a hanger auxiliary frame body arranged at intervals in the hanger main frame body, the hanger auxiliary frame body has two oppositely arranged side arms, clamping portions are arranged at intervals on the surface of the side arms and along the extension direction of the side arms, the clamping portions are arranged one by one opposite to each other between the two side arms, and form a pincer structure at the end to clamp an electroplated workpiece, and a limiting portion is arranged at the end of the clamping portion, so that point contact is formed between the clamping portion and the electroplated workpiece through the limiting portion when clamping the electroplated workpiece.

[0006] As a preferred electroplating hanger for improving the uniformity of electroplated layer of the utility model, the clamping portion has a connecting portion, a first bending portion, and a second bending portion connected at both ends of the connecting portion, one end of the first bending portion is connected with the side arm, and the limiting portion is connected to the other end of the second bending portion away from the connecting portion.

[0007] As the utility model discloses a kind of improve the uniformity of electroplating layer's electroplating hanger, preferably, the limiting portion includes: first abutment and second abutment, one end of the first abutment is connected in the end of clamping portion, and the other end is connected with the second abutment, the first abutment and the second abutment are columnar structure, and mutually inclined to form "V" structure.

[0008] As the utility model discloses a kind of improve the uniformity of electroplating layer's electroplating hanger, preferably, the limiting portion includes: curved portion, the curved portion is columnar structure, and one end is connected with the end of clamping portion.

[0009] As the utility model discloses a kind of improve the uniformity of electroplating layer's electroplating hanger, preferably, the top of hanger main frame body is connected with the relative arrangement of hanging portion, and the hanging portion is used to be hung with cathode rod.

[0010] As the utility model discloses a kind of improve the uniformity of electroplating layer's electroplating hanger, preferably, the hanger auxiliary frame body also has the relative arrangement of end arm, the end arm is perpendicular to side arm, and is connected in side arm end portion respectively, to form frame type structure with two side arms.

[0011] As the utility model discloses a kind of improve the uniformity of electroplating layer's electroplating hanger, preferably, connection arm is also arranged in the frame type structure, and two ends of the connection arm are connected with the opposite surface of two side arms respectively.

[0012] Compared with prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a kind of improve the uniformity of electroplating layer's electroplating hanger, preferably, the limiting portion of columnar structure, which is in contact with the heat dissipation cover, is arranged in the end of clamping portion of existing electroplating hanger, so that the contact area between the heat dissipation cover can be reduced during electroplating, so that the plated metal can be evenly plated on the surface of heat dissipation cover to improve the uniformity of electroplating.

[0014] Meanwhile, through the arc structure of limiting portion, or the "V" structure formed between the first abutment and the second abutment in the limiting portion, it can form a limiting effect on both sides of the heat dissipation cover, effectively preventing the product from being off-hung during electroplating due to the influence of external forces such as ultrasonic vibration and aeration stirring in the plating bath. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2Another perspective view of the three-dimensional structure of the utility model is shown in the figure.

[0018] Figure 3 The utility model is a schematic view of the auxiliary frame structure of the hanger.

[0019] Figure 4 The utility model is a schematic view of the first embodiment of the clamping part.

[0020] Figure 5 The utility model is a schematic view of the second embodiment of the clamping part.

[0021] In the figure: 1, hanger main frame body; 2, hanging part; 3, hanger auxiliary frame body; 31, side arm; 32, end arm; 33, connecting arm; 4, clamping part; 41, first bending part; 42, second bending part; 43, limiting part; 431, first abutting part; 432, second abutting part; 433, bending part; 44, connecting part. Specific embodiments

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The utility model relates to a kind of improve the uniformity of electroplating layer electroplating hanger, as Figures 1-2 As shown in the figure, including hanger main frame body 1 and the hanger auxiliary frame body 3 of interval arrangement in the frame of hanger main frame body 1, the top of hanger main frame body 1 is connected with the relatively arranged hanging part 2, and the hanging part 2 is hook-shaped, for being hung with cathode rod.

[0024] As Figure 3As shown, the hanger sub-frame body 3 has two oppositely arranged side arms 31 and two oppositely arranged end arms 32, the end arms 32 are perpendicular to the side arms 31 and are respectively connected at the ends of the two side arms 31 to connect the two side arms 31 into a frame structure. Further, a plurality of connecting arms 33 are arranged in the frame structure, the connecting arms 33 are parallel to the end arms 32 and are arranged at intervals, the two ends of the connecting arms 33 are respectively connected to the opposite surfaces between the two side arms 31 to divide the frame structure of the hanger sub-frame body 3 into a plurality of smaller frame structures to share the current, a plurality of clamping portions 4 with toughness are arranged at intervals on the surface of the side arms 31 and along the extension direction of the side arms 31, the clamping portions 4 between the two side arms 31 are arranged in pairs one above the other and gradually close at the ends to form a pincer structure to clamp the electroplating workpiece. It should be noted that in the plurality of smaller frame structures divided by each connecting arm 33 in the frame structure of the hanger sub-frame body 3, the clamping portions 4 are provided with at least two groups, and in the embodiment, the clamping portions 4 in the smaller frame structure are preferably provided with four groups.

[0025] Figure 4 A first embodiment of the clamping portion 4 is shown, which has a connecting portion 44 arranged in the same direction as the gravity direction of the hanger main frame body 1, and a first bending portion 41 and a second bending portion 42 connected at the two ends of the connecting portion 44, the bending directions of the first bending portion 41 and the second bending portion 42 are the same, but the second bending portion 42 is slightly inclined relative to the first bending portion 41, so that the two clamping portions 4 arranged in pairs one above the other on the two side arms 31 gradually close at the ends;

[0026] The end of the second bending portion 42 away from the connecting portion 44 is the end of the clamping portion 4, and the end of the clamping portion 4 is provided with a limiting portion 43, as shown in Figure 4 The limiting portion 43 includes a first abutting portion 431 and a second abutting portion 432, one end of the first abutting portion 431 is connected to the end of the clamping portion 4, and the other end is connected to the second abutting portion 432, both the first abutting portion 431 and the second abutting portion 432 are columnar structures and are inclined to each other to form a "V" shape, for example, taking a heat dissipation cover as the electroplating workpiece, when clamping the electroplating workpiece, one edge of the workpiece is located in the "V" shaped structure, and point contact is formed between the columnar structure and the edge of the workpiece, thereby effectively reducing the contact area between the clamping portion 4 and the electroplating workpiece, facilitating the formation of a plating layer on the surface of the heat dissipation cover, thereby improving the uniformity of electroplating; at the same time, since the electroplating workpiece is located in the "V" shaped structure, the "V" shaped structure can form a limit on both sides of the electroplating workpiece, thereby effectively preventing the product from being unclamped during electroplating due to external forces such as ultrasonic vibration and aeration stirring in the plating bath.

[0027] Figure 5The second embodiment of the clamping portion 4 is shown, and different from the first embodiment, the limiting portion 43 connected at the end of the clamping portion 4 is a curved portion 433 in a columnar shape and curved in an arc shape, in this embodiment, the curved portion 433 is in a "U" shape, and one edge of the workpiece to be electroplated is located in the "U" shaped structure and forms point contact abutment with the two sides of the "U" shaped structure. The specific effect and principle are the same as those of the first embodiment, and will not be described again.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An electroplating hanger for improving the uniformity of an electroplated layer, comprising a hanger main frame body (1) and a hanger sub-frame body (3) arranged at intervals in the hanger main frame body (1), characterized in that: The hanger sub-frame body (3) has two oppositely arranged side arms (31), and clamping portions (4) are arranged on the surfaces of the side arms (31) and along the extension directions of the side arms (31) at intervals, the clamping portions (4) between the two side arms (31) are oppositely arranged one by one, and form a pincer structure at the ends to clamp the electroplated workpiece, and a limiting portion (43) is arranged at the end of the clamping portion (4), and when the electroplated workpiece is clamped, the clamping portion (4) forms a point contact between the limiting portion (43) and the electroplated workpiece.

2. The electroplating rack for improving uniformity of an electroplated layer according to claim 1, wherein: The clamping portion (4) has a connecting portion (44), and a first bending portion (41) and a second bending portion (42) connected at both ends of the connecting portion (44), respectively, one end of the first bending portion (41) is connected with the side arm (31), and the limiting portion (43) is connected at the other end of the second bending portion (42) away from the connecting portion (44).

3. The electroplating rack for improving uniformity of an electroplated layer according to claim 1, wherein: The limiting portion (43) comprises a first abutting portion (431) and a second abutting portion (432), one end of the first abutting portion (431) is connected at the end of the clamping portion (4), and the other end is connected with the second abutting portion (432), the first abutting portion (431) and the second abutting portion (432) are both columnar structures, and form a "V" shape structure by being inclined to each other.

4. The electroplating rack for improving uniformity of an electroplated layer according to claim 1, wherein: The limiting portion (43) comprises a bending portion (433), which is a columnar structure, one end of which is connected with the end of the clamping portion (4).

5. The electroplating rack for improving uniformity of an electroplated layer according to claim 1, wherein: The top of the hanger main frame body (1) is connected with oppositely arranged hanging portions (2), and the hanging portions (2) are used for hanging with the cathode rod.

6. The electroplating rack for improving uniformity of an electroplated layer according to claim 1, wherein: The hanger sub-frame body (3) also has oppositely arranged end arms (32), which are perpendicular to the side arms (31) and are connected at the ends of the side arms (31) to connect the two side arms (31) to form a frame structure.

7. The electroplating rack for improving uniformity of an electroplated layer according to claim 6, wherein: A connecting arm (33) is also arranged in the frame structure, and two ends of the connecting arm (33) are connected with opposite surfaces of the two side arms (31), respectively.

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