CN212388137U

CN212388137U - Electroplating hanger capable of reducing local current density

Info

Publication number: CN212388137U
Application number: CN202021063500.7U
Authority: CN
Inventors: 曾莉莉; 陈树权; 郑天夏
Original assignee: Shanghai Tong Tong Electroplating Co ltd
Current assignee: Shanghai Tong Tong Electroplating Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-22
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to a reduce electroplating hanger of local current density belongs to the technical field of electroplating hanger, its technical scheme main points, including the gallows, install a plurality of horizontal poles that the gallows upper level was arranged with install pass the montant at horizontal pole middle part on the gallows, montant and horizontal pole fixed connection, the horizontal pole is provided with a plurality of chaining pins along the equidistance of extending direction, chaining pin vertical cross pole distributes in the both sides of horizontal pole, the week side of gallows is provided with the mount pad, detachable the connecting rod of installing on the mount pad, the both ends of connecting rod are installed and are enclosed the baffle of establishing in horizontal pole and montant week side, the baffle cross-section is L type and L type opening part just to pre-plating. The utility model discloses when using, set up detachable baffle through week side at the gallows, reduce the current density of preplating a tip department to thereby guaranteed the homogeneity of product plating layer thickness, thereby avoided cladding material thicker than normal to lead to the assembly problem.

Description

Electroplating hanger capable of reducing local current density

Technical Field

The utility model relates to a technical field of electroplate the hanger especially relates to a reduce local current density's electroplating hanger.

Background

Electroplating is a surface processing method in which cations of a pre-plated metal in a plating solution are deposited on the surface of a base metal by electrolysis using the base metal to be plated as a cathode in a salt solution containing the pre-plated metal to form a plating layer. The electroplating hanger can have different types of hangers according to the shape of a part, the technical requirement of a coating and the difference of an electroplating process, common hangers suitable for various common parts and special hangers designed and manufactured for only a certain part are prepared in a common electroplating workshop, and the common hangers have various types and are suitable for various processes and parts.

In the prior art, a pre-plated part is generally required to be installed on an electroplating hanger during electroplating and then put into electroplating solution for electroplating, coke is always accumulated and burned after the electroplating at the tip of the pre-plated part, so that the product yield is low, and if the accumulation phenomenon is reduced, the coating thickness of the pre-plated part cannot reach the standard, and the production is seriously influenced.

The above prior art solutions have the following drawbacks: the tips of the preplated parts are made of a small and weak material, but are subjected to as much current as the whole preplated part, resulting in a reduction in the quality of the plating of the preplated part.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a reduce electroplating hanger of local current density sets up detachable baffle through week side at the gallows, reduces the current density of preplating a tip department to thereby guaranteed the homogeneity of product plating layer thickness, thereby avoid cladding material thicker than resulting in the assembly problem.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a reduce electroplating hanger of local current density, includes the gallows, installs a plurality of horizontal poles that the gallows upper level was arranged with install pass the montant at horizontal pole middle part on the gallows, montant and horizontal pole fixed connection, the horizontal pole is provided with a plurality of chaining pins along the equidistance of extending direction, the perpendicular horizontal pole of chaining pin distributes in the both sides of horizontal pole, the week side of gallows is provided with the mount pad, detachable the connecting rod of installing on the mount pad, the baffle of enclosing in horizontal pole and montant week side is installed at the both ends of connecting rod, the baffle cross-section is L type and L type opening part just to pre-plating.

Adopt above-mentioned technical scheme, the preplating piece passes through the hanging needle carry on the hanger, and the baffle passes through the detachable installation on the hanger of mount pad, and when the preplating piece was electroplated, the current density that reduces corresponding position at corresponding gallows week side position installation baffle to avoid the most advanced position of preplating piece to adsorb too much cation, thereby make the cladding material of the piece of preplating keep evenly, improve the quality of the electroplating of the piece of preplating. And the baffle and the hanger are detachably connected, so that the operation flexibility of workers is further improved.

The utility model discloses further set up: and notches are formed at the included angle positions of the baffles at the top end and the bottom end of the hanging bracket.

By adopting the technical scheme, the current density blocked by the baffle at the top end or the bottom end is prevented from being too high by arranging the notch, so that the thickness of the electroplated coating of the pre-plated part is prevented from being too thin, and the electroplating quality is further influenced.

The utility model discloses further set up: the mount pad includes: the bottom plate is fixed on the side surface of the hanging bracket; the arc-shaped pressing plate is installed on one side, far away from the hanging bracket, of the bottom plate and is hinged with the bottom plate; and the locking part is arranged at one end far away from the hinged part of the arc-shaped pressing plate and the bottom plate.

By adopting the technical scheme, the mounting seat is fixed on the side wall of the hanging bracket, when the connecting rod is required to be fixed, the arc-shaped pressing plate is opened, the connecting rod is placed into the folding position of the arc-shaped pressing plate and the bottom plate, and the arc-shaped pressing plate and the bottom plate are fixed through the adjusting locking piece, so that the connecting rod is fixed, and then the baffle is fixed. The fixing structure is simple, and the baffle is convenient for workers to install and dismantle.

The utility model discloses further set up: the locking piece is a bolt, and the bolt is in threaded connection with the arc-shaped pressing plate and the bottom plate.

By adopting the technical scheme, the bolt is simple in structure and easy to obtain, the locking and fixing mode of the bolt is convenient for workers to operate, and the working efficiency is improved.

The utility model discloses further set up: the hanging needles are elastic hanging needles and are arranged in two on the same side, and the two hanging needles are close to each other.

By adopting the technical scheme, the hanging needle has elastic folding contraction, and the hanging needle can clamp and fix the pre-plated piece by clamping the side edge of the pre-plated piece, so that the hanging needle is suitable for clamping a small pre-plated piece.

The utility model discloses further set up: one end of the hanging needle close to the cross rod is connected with the cross rod through threads.

By adopting the technical scheme, the hanging needle is detachably connected with the cross rod, so that the damaged hanging needle can be conveniently replaced by workers, and the rotation angle of the hanging needle can be adjusted by adopting a threaded connection mode, so that the angle of the hanging needle can be adjusted according to the type of the clamping pre-plated piece, and the flexibility of the clamping pre-plated piece of the hanging needle is further improved.

The utility model discloses further set up: the side of baffle runs through there is the regulation hole, install circular baffle in the regulation hole, one side of circular baffle is provided with the protruding handle that wears out the regulation hole.

Adopt above-mentioned technical scheme, the circular baffle is removed to the protruding handle, shelters from the regulation hole to adjust the plating solution of the regulation hole of flowing through, set up the regulation hole that can change the hole size in the baffle side, thereby can be according to the electroplating coating condition of the piece of plating in advance, finely tune the current density that the baffle department passes through, further improve the quality of plating in advance.

The utility model discloses further set up: the adjusting holes are formed in a plurality of positions and are distributed at equal intervals.

By adopting the technical scheme, the adjusting holes on the baffle plate are provided with a plurality of adjusting holes, so that the adjusting holes corresponding to the positions can be adjusted according to the electroplating condition of a pre-plated part at a certain position, and the passing current density is adjusted, so that the electroplating effect of the pre-plated part is better.

To sum up, the utility model discloses following beneficial effect has:

1. set up detachable baffle through week side at the gallows to reduce the current density of preplating a tip department, effectively reduce the condition emergence that the piece tip of preplating piled up the scorch, thereby guaranteed the homogeneity of product plating layer thickness, thereby avoid cladding material partial thickness to lead to the assembly problem.

2. The adjusting holes capable of changing the size of the holes are arranged on the baffle, and the passing current density is finely adjusted, so that the quality of the electroplated coating of the pre-plated part is further improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

Reference numerals: 1. a hanger; 2. a cross bar; 3. a vertical rod; 4. hanging a needle; 5. a mounting seat; 51. a base plate; 52. an arc-shaped pressing plate; 53. a locking member; 61. a connecting rod; 62. a baffle plate; 621. a notch; 622. an adjustment hole; 623. a circular baffle; 624. a convex handle.

Detailed Description

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

In this embodiment:

referring to fig. 1, a reduce local current density's electroplating hanger, including gallows 1, install horizontal pole 2 and montant 3 on the gallows 1, horizontal pole 2 sets up to many and the level arranges, montant 3 pass the middle part of horizontal pole 2 perpendicularly and with horizontal pole 2 fixed connection. Still equidistant being provided with hanging needle 4 along the extending direction of horizontal pole 2, hanging needle 4 is used for the carry to plate the piece in advance, and hanging needle 4 perpendicular horizontal pole 2 and distribute in the both sides of horizontal pole 2. The periphery of the hanger 1 is further provided with a mounting seat 5, the mounting seat 5 is detachably connected with a connecting rod 61, two ends of the connecting rod 61 are further fixed with baffle plates 62, the baffle plates 62 are arranged around the cross rod 2 and the vertical rod 3 to form a rectangular frame, and the opening of the L-shaped cross section of the baffle plate 62 is opposite to the pre-plated part. The baffle 62 can reduce the current density of the position facing the pre-plating part, and effectively reduce the occurrence of the accumulation and burning of the tip of the pre-plating part, thereby ensuring the uniformity of the thickness of the plating layer of the product.

In this embodiment, the gap 621 is provided at the corner of the baffle 62 at the top end and the bottom end of the hanger 1, and the gap 621 can prevent the current density blocked by the baffle at the top end or the bottom end from being too large, so that the thickness of the electroplated coating of the pre-plated part is too thin, thereby affecting the electroplating quality.

Referring to fig. 2, the mounting base 5 further includes a bottom plate 51, an arc-shaped pressing plate 52 and a locking member 53, the bottom plate 51 is fixed on a side surface of the hanger 1, an arc-shaped surface is disposed on a side of the arc-shaped pressing plate 52 close to the hanger 1, and the arc-shaped pressing plate 52 is mounted on a side of the bottom plate 51 far away from the hanger 1 and is hinged to the bottom plate 51.

In this embodiment, the locking member 53 is a bolt, and the bolt is installed at an end far away from the hinged position of the bottom plate 51 and the arc-shaped pressing plate 52, and locks and fixes the bottom plate 51 and the arc-shaped pressing plate 52, and the bolt is easy to obtain, and is convenient for the operation of a worker. The arc-shaped surfaces of the bottom plate 51 and the arc-shaped pressing plate 52 press against the outer side surface of the connecting rod 61 to fix the connecting rod 61. This mount pad 5 can effectively fix connecting rod 61 to make things convenient for the staff to install and dismantle connecting rod 61, thereby improved dismouting baffle 62's flexibility.

Referring to fig. 1, in this embodiment, the hanging pins 4 are elastic hanging pins and are arranged in two on the same side, the two hanging pins 4 are in an arc-shaped approach shape, and the hanging pins 4 clamp the side edge of the pre-plated part to clamp and fix the pre-plated part. The outer side of the hanging needle 4 close to one end of the cross rod 2 is further provided with an external thread, and the hanging needle 4 is in threaded connection with the cross rod 2, so that the damaged hanging needle 4 can be replaced by workers conveniently.

Referring to fig. 1 and 3, the side surface of the baffle plate 62 is further provided with a plurality of adjusting holes 622 in a penetrating manner, in this embodiment, the adjusting holes 622 are provided with a plurality of adjusting holes 622 and are arranged at intervals, a circular baffle plate 623 is further connected in the adjusting holes 622 in a sliding manner, a convex handle 624 is fixed on one side of the circular baffle plate 623, which is far away from the adjusting holes 622, and the convex handle 624 penetrates through the adjusting holes 622. The cross-sectional area of circular baffle 623 is greater than the cross-sectional area of regulation hole 622, through removing protruding handle 624 to remove circular baffle 623, make it shelter from regulation hole 622, thereby change the plating solution flow through this regulation hole 622, and then finely tune the current density of this baffle 62 inboard, further improve the quality of preplating a piece electroplating.

The implementation principle of the embodiment is as follows: the electroplating hanger is placed in the electroplating solution, the anode in the electroplating solution is just opposite to the front surface of the pre-plated part, cations in the electroplating solution are uniformly adsorbed on the front pre-plated part, and the cations at the edge of the hanger are adsorbed on the tip of the pre-plated part at the edge of the hanger, so that the plated layer at the tip of the pre-plated part is accumulated and burnt. Through setting up baffle 62, this baffle 62 passes through the periphery side of the detachable installation at gallows 1 of mount pad 5, and the cross-section of baffle 62 is L type and L type opening part is just to the piece of preplating simultaneously to ensure that the cation in the plating solution is blockked, avoid excessively adsorbing the pointed end of the piece of preplating, guarantee the homogeneity of the piece cladding material of preplating.

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 to the present embodiment as required without contribution after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. An electroplating hanger for reducing local current density, which comprises a hanger (1) and is characterized by also comprising a plurality of cross rods (2) horizontally arranged on the hanger (1) and vertical rods (3) arranged on the hanger (1) and penetrating through the middle parts of the cross rods (2), the vertical rods (3) are fixedly connected with the cross rod (2), the cross rod (2) is provided with a plurality of hanging needles (4) at equal intervals along the extension direction, the hanging needles (4) are vertical to the cross rod (2) and distributed on two sides of the cross rod (2), the periphery of the hanger (1) is provided with a mounting seat (5), the mounting seat (5) is detachably provided with a connecting rod (61), baffle (62) of enclosing establishing in horizontal pole (2) and montant (3) week side are installed at the both ends of connecting rod (61), baffle (62) cross-section is L type and L type opening part just to pre-plating.

2. The electroplating hanger for reducing the local current density as claimed in claim 1, wherein a gap (621) is formed at the corner between the baffle (62) at the top end and the bottom end of the hanger (1).

3. Plating hanger to reduce local current density according to claim 1, characterized in that the mounting (5) comprises: a bottom plate (51) fixed on the side surface of the hanger (1); the arc-shaped pressing plate (52) is installed on one side, away from the hanger (1), of the bottom plate (51) and hinged with the bottom plate (51); and the locking piece (53) is arranged at one end far away from the hinged part of the arc-shaped pressing plate (52) and the bottom plate (51).

4. The electroplating hanger for reducing local current density as claimed in claim 3, wherein the locking member (53) is a bolt, and the bolt is in threaded connection with the arc-shaped pressing plate (52) and the bottom plate (51).

5. The electroplating hanger for reducing the local current density as claimed in claim 1, wherein the hanging needles (4) are elastic hanging needles and are arranged in two on the same side, and the two hanging needles (4) are close to each other.

6. The electroplating hanger for reducing the local current density as claimed in claim 1, wherein one end of the hanging needle (4) close to the cross rod (2) is in threaded connection with the cross rod (2).

7. The electroplating hanger for reducing the local current density as claimed in claim 1, wherein an adjusting hole (622) penetrates through the side surface of the baffle plate (62), a circular baffle plate (623) is installed in the adjusting hole (622), and a convex handle (624) penetrating through the adjusting hole (622) is arranged on one side of the circular baffle plate (623).

8. The electroplating hanger for reducing the local current density as claimed in claim 7, wherein the adjusting holes (622) are opened in a plurality and arranged at equal intervals.