TWI785730B - Cathode wheel - Google Patents

Abstract

The present invention discloses a cathode wheel, including: a conductive rod; a sleeve element, the sleeve element is sleeved on the conductive rod, and the sleeve assembly includes: two second sleeves and a plurality of second sleeves located between the two second sleeves. The first sleeve, the first sleeve and the second sleeve are all arranged coaxially with the conductive rod, and the adjacent first sleeves abut against each other, and the adjacent first sleeve and the second sleeve abut against each other; two A conductive ring, two conductive rings are sleeved on the conductive rod, the conductive ring and the conductive rod are arranged coaxially, the conductive ring is located on the side of the second sleeve away from the first sleeve, and a conductive ring abuts against the second sleeve The other conductive ring abuts against another second sleeve, the inner peripheral edge of the conductive ring is connected with the conductive rod, and the outer peripheral edge of the conductive ring is connected with the carrier tape by rolling. The invention avoids the copper slag scratching the carrier tape on the surface of the cathode wheel and improves the product quality.

Description

cathode wheel

The invention belongs to the technical field of carrier tape electroplating, and in particular relates to a cathode wheel.

During electroplating, the carrier tape is usually conveyed by multiple rows of carrier tapes in parallel for electroplating. Since the carrier tape is a tape material, the cathode wheel is usually used for continuous electroplating while the carrier tape is being rolled and transported. The cathode wheel used in the existing electroplating equipment is After long-term use, there will be reverse copper plating, and the copper slag that appears will scratch the carrier tape on the cathode wheel during the transmission process.

The present invention aims to solve at least one of the technical problems existing in the prior art.

Therefore, the present invention proposes a cathode wheel, which has the advantage of avoiding copper slag from scratching the carrier tape during electroplating.

The cathode wheel according to the embodiment of the present invention includes: a conductive rod, the conductive rod is a cylindrical member; a sleeve element, the sleeve element is sleeved on the conductive rod, and the sleeve assembly includes: two A second sleeve and a plurality of first sleeves located between the two second sleeves, the first sleeve and the second sleeve are coaxially arranged with the conductive rod, adjacent to the first sleeve A sleeve is against each other, and the adjacent first sleeve and the second sleeve are against each other; two conductive rings, both of which are covered Set on the conductive rod, the conductive ring is arranged coaxially with the conductive rod, the conductive ring is located on the side of the second sleeve away from the first sleeve, one conductive ring and one The second sleeve is against each other, the other conductive ring is against the other second sleeve, the inner peripheral edge of the conductive ring is connected to the conductive rod, and the outer peripheral edge of the conductive ring is connected to the carrier tape. Scroll connected.

The beneficial effect of the present invention is that the structure of the present invention is simple, and by setting the first sleeve and the second sleeve on the conductive rod, the copper slag on the surface of the cathode wheel is prevented from scratching the carrier tape, and the product quality is improved. The ring is arranged at both ends of the sleeve element, so that the conductive rod is electrically connected to the non-working area on the edge of the carrier tape through the conductive ring, so as to avoid damage to the electroplating area in the middle of the carrier tape.

According to an embodiment of the present invention, the cathode wheel further includes: two limiting rings, both of which are sleeved on the conductive rod, the limiting rings are arranged coaxially with the conductive rod, the The limiting ring is located on the side of the conductive ring away from the second sleeve, one of the limiting rings abuts against one of the conductive rings, and the other limiting ring abuts against the other conductive ring .

According to an embodiment of the present invention, an annular limiting protrusion is provided on the outer peripheral surface of the limiting ring, and the annular limiting protrusion is located at an end of the limiting ring away from the conductive ring, and the ring The diameter of the outer circumference of the shape limiting protrusion is larger than the diameter of the outer circumference of the conductive ring, and the side of the ring-shaped limiting protrusion close to the conductive rod abuts against the side of the carrier tape.

According to an embodiment of the present invention, the cathode wheel further includes: two locking pieces, both of which are sleeved on the conductive rod, the locking pieces are arranged coaxially with the conductive rod, the The locking piece is located on the side of the limiting ring away from the conductive ring, one of the locking pieces abuts against one of the limiting rings, and the other locking piece abuts against the other limiting ring Depend on.

According to an embodiment of the present invention, two external threads are provided on the outer peripheral surface of the conductive rod. Fasteners are connected by threads.

According to an embodiment of the present invention, the locking member has an opening, and the locking member also has two connecting holes, the two connecting holes are respectively located at two ends of the opening, and the screw passes through the two connecting holes. The connecting hole is used to connect the two ends of the opening.

According to an embodiment of the present invention, two key grooves are provided on the outer peripheral surface of the conductive rod, and the two key grooves are respectively located at two ends of the conductive rod, and the key grooves are used for connecting electroplating equipment.

According to an embodiment of the present invention, two second annular grooves are provided on the inner peripheral surface of the first sleeve, and the two second annular grooves are respectively located at the left and right ends of the first sleeve, and the adjacent The two second annular grooves are connected to form an annular cavity; the inner peripheral surface of the second sleeve is provided with a first annular groove, and the first annular groove is located on the second sleeve away from the One end of the conductive ring, the first annular groove is connected with the adjacent second annular groove to form an annular cavity; an anti-leakage ring is provided in the annular cavity, and the anti-leakage ring is radially The direction is interference fit with the second annular groove and the first annular groove.

According to an embodiment of the present invention, the anti-leakage ring is made of PP, and the conductive rod is made of chrome-plated stainless steel.

According to an embodiment of the present invention, two second annular protrusions are provided on the outer peripheral surface of the first sleeve, and the two second annular protrusions are respectively located at the left and right ends of the first sleeve, adjacent to each other. The two second annular protrusions are connected to form a supporting protrusion; the outer peripheral surface of the second sleeve is provided with a first annular protrusion, and the first annular protrusion is located on the second sleeve On the end of the cylinder away from the conductive ring, the first annular protrusion is connected with the adjacent second annular protrusion to form a supporting protrusion, and the diameter of the outer circumference of the supporting protrusion is not larger than that of the conductive ring. The diameter of the outer circumference of the ring, and the plurality of supporting protrusions are evenly spaced.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the above-mentioned objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

1: Conductive rod

2: The first sleeve

3: Conductive ring

4: limit ring

5: Locking piece

6:Second sleeve

7: Anti-leakage ring

11: external thread

12: keyway

51: opening

52: Connection hole

41: Annular limit protrusion

61: The first annular groove

62: the first annular protrusion

21: Second annular groove

22: the second annular protrusion

Fig. 1 is a three-dimensional structural schematic diagram of a cathode wheel according to the present invention; Fig. 2 is a front structural schematic diagram of a cathode wheel according to the present invention; Fig. 3 is a schematic cross-sectional structure diagram of a cathode wheel according to the present invention; Fig. 4 is a schematic diagram according to the present invention Schematic diagram of the partial cross-sectional structure of the cathode wheel.

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plural number" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The cathode wheel of the embodiment of the present invention will be specifically described below with reference to the accompanying drawings.

As shown in Figures 1 to 4, the cathode wheel according to the embodiment of the present invention includes: a conductive rod 1, a sleeve assembly and two conductive rings 3, the conductive rod 1 is a cylindrical part; the sleeve assembly is sleeved on the conductive rod 1, the sleeve assembly includes: two second sleeves 6 and a plurality of first sleeves 2 located between the two second sleeves 6, the first sleeve 2 and the second sleeve 6 are connected with the conductive rod 1 Coaxial arrangement, adjacent first sleeves 2 are in contact with each other, and adjacent first sleeves 2 and second sleeves 6 are in contact with each other; two conductive rings 3 are sleeved on the conductive rod 1, and the conductive rings 3 is arranged coaxially with the conductive rod 1, the conductive ring 3 is located on the side of the second sleeve 6 away from the first sleeve 2, one conductive ring 3 abuts against a second sleeve 6, and the other conductive ring 3 is connected to the other first sleeve 2. The two sleeves 6 abut against each other, the inner periphery of the conductive ring 3 is connected with the conductive rod 1 , and the outer peripheral edge of the conductive ring 3 is connected with the carrier tape by rolling.

In the present invention, the first sleeve 2 and the second sleeve 6 are sleeved on the conductive rod 1 to prevent the copper slag on the surface of the cathode wheel from scratching the carrier tape and improve the product quality. Two conductive rings 3 are arranged on the sleeve element The two ends of the conductive rod 1 are electrically connected to the non-working area on the edge of the carrier tape through the conductive ring 3, so as to avoid damage to the electroplating area in the middle of the carrier tape.

Further, the cathode wheel also includes: two limit rings 4, the two limit rings 4 are sleeved on the conductive rod 1, the limit ring 4 is coaxially arranged with the conductive rod 1, and the limit ring 4 is located far away from the conductive ring 3. On one side of the second sleeve 6 , a limiting ring 4 abuts against a conductive ring 3 , and the other limiting ring 4 abuts against another conductive ring 3 .

Furthermore, the outer peripheral surface of the limiting ring 4 is provided with an annular limiting protrusion 41, the annular limiting protrusion 41 is located at the end of the limiting ring 4 away from the conductive ring 3, and the outer circumference of the annular limiting protrusion 41 circle diameter greater than The diameter of the outer circumference of the conductive ring 3 , the side of the annular limiting protrusion 41 close to the conductive rod 1 abuts against the side of the carrier tape. The ring-shaped limiting protrusion 41 can limit the side of the carrier tape, avoiding deviation of the carrier tape during transmission, and improving the stability of the assembly line electroplating.

Preferably, the cathode wheel further includes: two locking parts 5, both of which are sleeved on the conductive rod 1, the locking parts 5 are coaxially arranged with the conductive rod 1, and the locking parts 5 are located at the limit ring 4 On the side away from the conductive ring 3 , a locking piece 5 abuts against a limiting ring 4 , and the other locking piece 5 abuts against another limiting ring 4 . The locking member 5 cooperates with the limit ring 4 to jointly limit the axial displacement of the first sleeve 2 and the second sleeve 6 .

More preferably, two external threads are provided on the outer peripheral surface of the conductive rod 1 , one external thread is threaded to a locking member 5 , and the other external thread is threaded to another locking member 5 .

Further preferably, the locking member 5 has an opening 51, and the locking member 5 also has two connecting holes 52, the two connecting holes 52 are respectively located at the two ends of the opening 51, and the screws pass through the two connecting holes 52 to The two ends of the opening 51 are connected. After the locking member 5 is screwed, the two ends of the opening 51 are connected by screws, so that the connection between the locking member 5 and the conductive rod 1 is firmer.

That is to say, the cathode wheel of the present invention has a left-right symmetrical structure, and a plurality of first sleeves 2 are arranged in the middle of the conductive rod 1 in sequence. The outer extension is provided with a second sleeve 6, a conductive ring 3, a limiting ring 4 and a locking member 5 in sequence. The first sleeve 2 and the second sleeve 6 are made of insulating material, which can effectively prevent the middle part of the conductive rod 1 from contacting the carrier tape to form copper slag, and effectively protect the surface quality of the carrier tape.

According to an embodiment of the present invention, two key grooves 12 are provided on the outer peripheral surface of the conductive rod 1 , and the two key grooves 12 are respectively located at two ends of the conductive rod 1 , and the key grooves 12 are used for connecting electroplating equipment. The keyway 12 is provided to facilitate the installation of the cathode wheel on the electroplating equipment, and at the same time prevent the cathode wheel from slipping when rotating.

According to an embodiment of the present invention, two second annular grooves 21 are provided on the inner peripheral surface of the first sleeve 2, and the two second annular grooves 21 are respectively located at the left and right ends of the first sleeve 2, and the adjacent two The second annular groove 21 is connected to form an annular cavity; the inner peripheral surface of the second sleeve 6 is provided with a first annular groove 61, the first annular groove 61 The groove 61 is located at the end of the second sleeve 6 away from the conductive ring 3, and the first annular groove 61 is connected with the adjacent second annular groove 21 to form an annular cavity; an anti-leakage ring 7 is arranged in the annular cavity to prevent leakage. The leak ring 7 is interference fit with the second annular groove 21 and the first annular groove 61 in the radial direction. That is to say, there is an annular cavity between two adjacent first sleeves 2 and between adjacent first sleeves 2 and second sleeves 6, and the anti-leakage ring 7 interferes in the radial direction. Set in the annular cavity, the anti-leakage ring 7 can effectively prevent the electroplating solution on the carrier tape from leaking from the gap between two adjacent first sleeves 2 or between the adjacent first sleeve 2 and the second sleeve 6. The gap between them penetrates, effectively preventing the conductive rod 1 from being corroded.

Preferably, the anti-leakage ring 7 is made of PP, and the conductive rod 1 is made of stainless steel with chrome plating. The conductive rod 1 is used to conduct electricity with the conductive ring 3, and the anti-leakage ring 7 can effectively prevent leakage and insulation protection.

According to one embodiment of the present invention, two second annular protrusions 22 are provided on the outer peripheral surface of the first sleeve 2, and the two second annular protrusions 22 are respectively located at the left and right ends of the first sleeve 2, and the adjacent two The two second annular protrusions 22 are connected to form a supporting protrusion; the outer peripheral surface of the second sleeve 6 is provided with a first annular protrusion 62, and the first annular protrusion 62 is located on the second sleeve 6 away from the conductive ring. 3, the first annular protrusion 62 is connected with the adjacent second annular protrusion 22 to form a supporting protrusion, the diameter of the outer circumference of the supporting protrusion is not greater than the outer diameter of the conductive ring 3, and one of the plurality of supporting protrusions evenly spaced. That is to say, in the axial direction of the cathode wheel, a plurality of carrier tapes are paralleled for simultaneous electroplating, and the middle part of the carrier tape is plated with a circuit, while the edge of the carrier tape is an invalid part, and the conductive ring 3 is electrically connected to the edge part of the outermost carrier tape. , and the supporting protrusion is used to support the invalid part between the two adjacent carrier tapes in the middle, which effectively avoids the middle collapse during the processing of the carrier tape and ensures that no warped and deformed lines will be formed during electroplating.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms are different all refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or plural embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

1: Conductive rod

11: external thread

12: chain slot

2: The first sleeve

3: Conductive ring

4: limit ring

5: Locking piece

51: opening

52: Connection hole

6:Second sleeve

Claims (8)

A cathode wheel, including: a conductive rod (1), the conductive rod (1) is a cylindrical part; a sleeve element, the sleeve element is sleeved on the conductive rod (1), the sleeve The assembly includes: two second sleeves (6) and a plurality of first sleeves (2) located between the two second sleeves (6), the first sleeves (2) and the second sleeves The sleeves (6) are coaxially arranged with the conductive rod (1), and the adjacent first sleeves (2) are in contact with each other, and the adjacent first sleeves (2) and the second sleeves (6) two conductive rings (3), the two conductive rings (3) are sleeved on the conductive rod (1), the conductive ring (3) is coaxially arranged with the conductive rod (1), the The conductive ring (3) is located on the side of the second sleeve (6) away from the first sleeve (2), the conductive ring (3) abuts against the second sleeve (6), and the other conductive ring (3) abut against another second sleeve (6), the inner periphery of the conductive ring (3) is connected with the conductive rod (1), and the outer periphery of the conductive ring (3) is rollingly connected with the carrier tape; Wherein, it also includes: two limit rings (4), the limit rings (4) are sleeved on the conductive rod (1), the limit rings (4) are coaxially arranged with the conductive rod (1), The limit ring (4) is located on the side of the conductive ring (3) away from the second sleeve (6), the limit ring (4) abuts against the conductive ring (3), and the other limit ring (4) Abutting against another conductive ring (3), an annular limiting protrusion (41) is provided on the outer peripheral surface of the limiting ring (4), and the annular limiting protrusion (41) is located on the The limiting ring (4) is away from one end of the conductive ring (3), and the outer diameter of the annular limiting protrusion (41) is greater than the outer circumferential diameter of the conductive ring (3), and the annular limiting protrusion ( 41) The side close to the conductive rod (1) abuts against the side of the carrier tape. The cathode wheel as claimed in item 1, further comprising: Two locking pieces (5), the locking piece (5) is sleeved on the conductive rod (1), the locking piece (5) is coaxially arranged with the conductive rod (1), the locking piece ( 5) Located on the side of the limiting ring (4) away from the conductive ring (3), the locking piece (5) abuts against the limiting ring (4), and the other locking piece (5) is connected to the other - The limiting ring (4) leans against each other. The cathode wheel as claimed in claim 2, wherein two external threads are provided on the outer peripheral surface of the conductive rod (1), the external threads are threadedly connected with the locking member (5), and the other external threads are connected with the locking member (5). Another locking part (5) is connected by thread. The cathode wheel as claimed in claim 2, wherein the locking member (5) has an opening (51), and the locking member (5) also has two connecting holes (52), the connecting holes (52) The two ends of the opening (51) are respectively located, and the screws pass through the two connection holes (52) to connect the two ends of the opening (51). The cathode wheel as claimed in item 1, wherein two key grooves (12) are opened on the outer peripheral surface of the conductive rod (1), and the key grooves (12) are respectively located at both ends of the conductive rod (1). (12) Used to connect electroplating equipment. The cathode wheel according to claim 1, wherein two second annular grooves (21) are provided on the inner peripheral surface of the first sleeve (2), and the second annular grooves (21) are respectively located in the first set At the left and right ends of the cylinder (2), two adjacent second annular grooves (21) are connected to form an annular cavity; the inner peripheral surface of the second sleeve (6) is provided with a first annular groove (61), The first annular groove (61) is located at the end of the second sleeve (6) away from the conductive ring (3), the first annular groove (61) and the adjacent second annular groove (21) connected to form an annular cavity; an anti-leakage ring (7) is provided in the annular cavity, and the anti-leakage ring (7) is radially connected to the second annular groove (21) and the first annular groove (61 ) interference fit. The cathode wheel according to claim 6, wherein the anti-leakage ring (7) is made of PP, and the conductive rod (1) is made of stainless steel with chrome plating. The cathode wheel according to claim 6, wherein two second annular protrusions (22) are provided on the outer peripheral surface of the first sleeve (2), and the second annular protrusions (22) are respectively located on the first The left and right ends of the sleeve (2), the adjacent second annular protrusions (22) are connected to form a supporting protrusion; the outer peripheral surface of the second sleeve (6) is provided with a first annular protrusion (62 ), the first annular protrusion (62) is located on the second sleeve (6) away from the end of the conductive ring (3), the first annular protrusion (62) and the adjacent second annular The protrusions (22) are connected to form support protrusions, the diameter of the outer circumference of the support protrusions is not greater than the diameter of the outer circumference of the conductive ring (3), and the plurality of support protrusions are evenly spaced.

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