CN218089863U - Continuous gold-plating corrosion-resistant equipment - Google Patents

Abstract

The application discloses anticorrosive equipment of gilding in succession belongs to electroplating device technical field for provide one kind to electroplate easy better anticorrosive equipment of continuous gilding of endothelium element concentration holding power in succession, including electroplating bath, be provided with positive pole centre gripping subassembly and actuating mechanism on the electroplating bath, actuating mechanism's output is connected with the carousel, be provided with negative pole centre gripping subassembly on the carousel, negative pole centre gripping subassembly includes telescopic link and the centre gripping handle of being connected with the carousel, the quantity of centre gripping handle has two and rotates with the carousel to be connected, the expansion end of telescopic link drives two centre gripping handles through the traction block and is close to each other or keep away from each other, the centre gripping head is made by metal material. This practicality is through the negative and positive poles of the earth design of giving electroplating device be convenient for the clamping structure of dismouting for among the electroplating process, on the same negative pole that is golden was filled to the material of golden positive pole loss, to a certain extent when positive pole clamping structure loss, change the negative and positive poles of the earth, neither extravagant material gold can not introduce other metal contamination again.

Description

Continuous gold-plating corrosion-resistant equipment

Technical Field

The application relates to the technical field of electroplating equipment, in particular to continuous gold-plating corrosion-resistant equipment.

Background

Gold is used in many electronic products, but because of its high price, gold is most commonly applied to electronic products by electroplating.

The existing gold plating equipment has some defects: for example, it is not easy to maintain a constant gold element concentration in the electroplating solution, and once the gold element concentration in the electroplating solution is reduced, the efficiency of gold electroplating is also significantly reduced, in order to solve the above problems, a gold block is disposed at the electroplating anode to be consumed to maintain the gold element concentration in the electrolyte, and the electroplating cathode is also made of a conductive material, and often a material with a lower price is used.

Disclosure of Invention

The present application aims to provide a continuous gold plating corrosion-resistant apparatus having a better ability to maintain the concentration of a gold element in the plating solution.

To achieve the above object, the present application provides a continuous gold plating corrosion resistant apparatus: including electroplating bath, be provided with positive pole centre gripping subassembly and actuating mechanism on the electroplating bath, actuating mechanism's output is connected with the carousel, be provided with negative pole centre gripping subassembly on the carousel, positive pole centre gripping subassembly is connected external power supply's anodal, external power supply's negative pole is connected to negative pole centre gripping subassembly, negative pole centre gripping subassembly include with telescopic link and centre gripping handle, one that the carousel is connected negative pole centre gripping subassembly the quantity of centre gripping handle has two to the symmetry arrange with the carousel rotates to be connected, the expansion end of telescopic link drives two through the traction block the centre gripping handle is close to each other or keeps away from each other, and it has the holding head still to pin joint on every centre gripping handle, the holding head is made by metal material, is suitable for and does not immerse in the plating solution in the electroplating bath, even the holding head of negative and positive poles and negative poles all contact with the electroplating solution, can not influence the concentration of gold element in the electroplating solution yet.

Preferably, the number of the cathode clamping assemblies is two to three, and the plurality of cathode clamping assemblies are annularly and uniformly distributed on the same end face of the turntable, so that the stress is more uniform during rotation.

Preferably, the telescopic rod of each group of cathode clamping assemblies is fixedly connected to the end face of the rotary table through a fixing sleeve, and the telescopic rod is an air cylinder, so that the structure is simple, and the action is rapid and the response is fast.

Preferably, the end face of the fixed sleeve of the turntable is provided with paired restraint shafts, the number of the paired restraint shafts is the same as that of the telescopic rods, each restraint shaft comprises a fixed shaft fixedly connected with the turntable, and a limiting ring is arranged at the end part of the fixed shaft after the fixed shaft penetrates through a shaft hole formed in the clamping handle, so that the working stability of the clamping handle is guaranteed.

Preferably, the traction block is fixedly connected to the movable end of the telescopic rod, the traction block faces to the side face of the clamping handle, a guide cavity is formed in the side wall of the guide cavity, a sliding groove is formed in the side wall of the guide cavity, one end of the clamping handle extends to the guide cavity, a sliding shaft arranged on the clamping handle is matched with the sliding groove to form a sliding pair, and the other end of the clamping handle is in pin connection with the clamping head, so that the clamping head is convenient to detach and install, and replacement of the clamping heads of the positive and negative poles is facilitated.

Preferably, one end of the clamping handle, which is far away from the traction block, is provided with a matching groove, a through pin hole is formed in the matching groove of the clamping handle, the end part of the clamping head is provided with a matching plate, the matching plate is provided with a pin shaft, the matching plate is suitable for being embedded in the matching groove, and the pin shaft penetrates through the pin hole to fix the clamping head at the end part of the clamping handle, so that a pin connection structure is formed.

Preferably, the opposite side surfaces of the two clamping heads in each group of cathode clamping assemblies are clamping surfaces, the clamping surfaces of the clamping heads are coated with PTFE coatings, the clamping heads are provided with two clamping plates, clamping grooves are formed between the two clamping plates, and the clamping heads are clamped with the end parts of the clamping handles through the clamping grooves, so that the stability of pin joint matching is improved.

Preferably, the structure of the anode clamping assembly is the same as that of the cathode clamping assembly, a pair of restraint shafts in the anode clamping assembly is fixedly connected to the inner wall of the electroplating pool, and the anode clamping assembly and the cathode clamping assembly are arranged at different positions.

Preferably, the electroplating pool is made of ceramic materials, and the inner wall of the electroplating pool is coated with a PTFE coating, so that the surface hardness of the electroplating pool is reduced, and the corrosion resistance of the electroplating pool is improved.

Preferably, the bottom of the electroplating pool is provided with a frame, and the electroplating pool is placed on the ground through the frame, so that the stability of the whole electroplating equipment is maintained.

Compared with the prior art, the beneficial effect of this application lies in:

(1) By designing the clamping structures which are convenient to disassemble and assemble for the cathode and the anode of the electroplating equipment, the gold anode loss material is filled on the cathode which is also gold in the electroplating process, and when the anode clamping structures are lost to a certain degree, the cathode and the anode are replaced, so that the material gold is not wasted, and other metal pollution is not introduced;

(2) By configuring automatic rotation and stagnation driving for the electroplating cathodes and matching with the plurality of cathode clamping assemblies, the feeding, electroplating, draining and discharging in the electroplating process can be continuously carried out, and the working efficiency of electroplating equipment is improved.

Drawings

FIG. 1 is a first view of the overall construction of the continuous gold plating corrosion resistant apparatus;

FIG. 2 is a second view of the overall construction of the continuous gold plating corrosion resistant apparatus;

FIG. 3 is a perspective view of an attachment structure on the plating bath of the continuous gold plating corrosion resistant apparatus;

FIG. 4 is an enlarged view of a portion of the continuous gold plating corrosion resistant apparatus at A of FIG. 3;

FIG. 5 is a perspective view of the cathode clamping assembly on the turntable of the continuous gold-plating corrosion-resistant apparatus;

FIG. 6 is an enlarged view of a portion of the continuous gold plating corrosion-resistant apparatus at B of FIG. 5;

FIG. 7 is a perspective view of the attachment structure on the turntable of the continuous gold-plating corrosion-resistant apparatus;

FIG. 8 is a connection diagram of the telescopic rod and the traction block of the continuous gold-plating corrosion-resistant device;

FIG. 9 is a schematic perspective view of the apparatus for plating gold on a substrate with corrosion resistance;

FIG. 10 is a first perspective view of the continuous gold plating corrosion resistant apparatus with the clamping shank mated to the clamping head;

FIG. 11 is a second perspective view of the continuous gold plating corrosion resistant apparatus with the clamping shank mated with the clamping head;

FIG. 12 is a first perspective view of the clamping shank of the continuous gold plating corrosion resistant apparatus;

FIG. 13 is a second perspective view of the clamping shank of the continuous gold plating corrosion resistant apparatus;

fig. 14 is a perspective view of the holder head of the continuous gold plating corrosion resistant apparatus.

In the figure: 1. a turntable; 2. an anode clamping assembly; 3. electroplating pool; 4. a frame; 5. a drive mechanism; 6. a constraint shaft; 601. a fixed shaft; 602. a limiting ring; 7. a telescopic rod; 701. fixing a sleeve; 8. a clamping handle; 801. a shaft hole; 802. a slip axis; 803. a fitting groove; 804. a pin hole; 9. a clamping head; 901. a clamping surface; 902. a pin shaft; 903. a wedging plate; 904. a card slot; 10. a traction block; 101. a guide cavity; 102. a chute.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments described below or between the technical features may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The continuous gold-plating corrosion-resistant device shown in fig. 1-14 comprises an electroplating pool 3 and a main place for plating gold, wherein an anode clamping assembly 2 and a driving mechanism 5 are arranged on the electroplating pool 3, the anode clamping assembly 2 is used for clamping gold blocks as electroplating consumables, the driving mechanism 5 comprises a motor, a speed reducer and other transmission parts and is used for providing rotary power, the output end of the driving mechanism 5 is connected with a turntable 1, a cathode clamping assembly is arranged on the turntable 1, the cathode clamping assembly is enabled to change angles in a rotating mode, so that the operations of feeding, electroplating, draining, blanking and the like are continuously carried out, the anode clamping assembly 2 is connected with the anode of an external power supply, the cathode clamping assembly 2 is connected with the cathode of the external power supply, and thus, when the power is on, metal materials on the anode clamping assembly 2 can be consumed to plate gold on the parts clamped on the cathode clamping assembly.

The cathode clamping assemblies are uniformly distributed on the same end face of the rotary table 1 in an annular mode, so that each cathode clamping assembly is guaranteed to have enough clamping space, the gravity centers of all the cathode clamping assemblies are guaranteed to be located on the rotating axis of the rotary table 1, the moment applied during rotation is more stable, and the number of the cathode clamping assemblies is preferably three; the working efficiency is very low when one is used; the use of four plated parts is not conducive to draining the clamped parts; use more than five then be unfavorable for make full use of negative pole centre gripping subassembly, and can lead to equipment cost to rise, negative pole centre gripping subassembly includes telescopic link 7 and the centre gripping handle 8 of being connected with carousel 1, telescopic link 7 is used for adjusting the clamping state of centre gripping handle 8, telescopic link 7 of every group negative pole centre gripping subassembly is through fixed cover 701 fixed connection in the terminal surface of carousel 1, telescopic link 7 is the cylinder, because the action of cylinder is more rapid, and the clamping dynamics is enough, the quantity of the centre gripping handle 8 of a negative pole centre gripping subassembly has two, and the symmetry is arranged and is rotated with carousel 1 and is connected, relative rotation is close to and can exert the clamp force, carousel 1 is provided with the restraint axle 6 in pairs the same with telescopic link 7 quantity at fixed cover 701 place terminal surface, also be the logarithm of restraint axle 6 is the same with the quantity of telescopic link 7, restraint axle 6 includes fixed axle 601 with carousel 1 fixed connection, the fixed axle 601 passes behind the shaft hole 801 that sets up on the centre gripping handle 8, be provided with spacing ring 602 at the tip, be used for preventing centre gripping handle 8 from dropping from carousel 1.

The expansion end of telescopic link 7 passes through traction block 10 and drives two centre gripping handles 8 and is close to each other or keep away from each other for control centre gripping subassembly's clamping state, traction block 10 fixed connection is in the expansion end of telescopic link 7, traction block 10 has seted up direction chamber 101 to the side of centre gripping handle 8, and has seted up spout 102 at the lateral wall in direction chamber 101, the one end of centre gripping handle 8 extends to direction chamber 101, slip axle 802 that sets up on the centre gripping handle 8 cooperates with spout 102 and constitutes the pair that slides, it has sufficient degree of freedom to guarantee rotatory smooth and easy degree to guarantee to the tip of centre gripping handle 8, the other end of centre gripping handle 8 is connected with centre gripping joint 9 pin, centre gripping handle 8 has seted up in the one end of keeping away from traction block 10 and has agreed with the groove 803, centre gripping handle 8 has seted up the pinhole 804 of having a perfect understanding, the tip of centre gripping joint 9 has agreed with joint plate 903, be provided with round pin 902 on the joint plate 903, it is suitable for embedding in the groove 803 to agree with round pin joint plate 903, 902 passes through pinhole 804 and fixes the tip of centre gripping head 8, constitute agreed with the structure, make things convenient for the dismantlement of centre gripping 9 and the installation of agreeing with the pin joint.

Two clamping head 9 relative sides in every negative pole centre gripping subassembly are for pressing from both sides tight face 901, with by clamping face direct contact, provide the clamp force, clamping head 9 has the PTFE coating at the tight face 901 coating of clamp, avoid pressing from both sides tight because absorption metal material warp, influence the centre gripping clearance, agree with plywood 903 on clamping head 9 has two, form draw-in groove 904 between two agree with plywood 903, clamping head 9 passes through draw-in groove 904 and the tip block of centre gripping handle 8, it rocks back and forth at the tip of centre gripping handle 8 to reduce clamping head 9, improve the stability of pin joint.

The structure of positive pole centre gripping subassembly 2 is the same with the structure of negative pole centre gripping subassembly, all realize centre gripping and release action through 7 controls of telescopic link, the difference is that the inner wall of a pair of restraint axle 6 fixed connection in the positive pole centre gripping subassembly 2 in the electroplating bath 3, clamping head 9 is made by metal gold material, be suitable for in the plating solution that submerges in the electroplating bath 3, the clamping head 9 material on the positive pole centre gripping subassembly 2 reduces in the electroplating process, the clamping head 9 material on the negative pole centre gripping subassembly increases, clamping head 9 when positive pole centre gripping subassembly 2 is consumed to certain degree, change clamping head 9 on the positive pole centre gripping subassembly 2 and the clamping head 9 on the negative pole centre gripping subassembly, just can continue electroplating work.

Electroplating pool 3 is made by ceramic material, has fine structural strength and corrosion resistance, the coating of electroplating bath inner wall in electroplating pool 3 has the PTFE coating, reduce the hardness on electroplating pool 3 surface, avoid electroplating parts and 3 hard contacts in electroplating pool and mutual scratch, and PTFE and the corrosion resistance of the different electrolyte of pottery reply differ, the one deck damage is at the bottom of another layer conduct pocket in addition, the bottom of electroplating pool 3 is provided with frame 4, electroplating pool 3 places in ground through frame 4, guarantee the stability of placing of whole equipment.

The working principle of the continuous gold-plating corrosion-resistant equipment is as follows: when the electroplating device works, a gold block is arranged on the anode clamping assembly 2 in advance to serve as an electroplating consumable, the cathode clamping assembly which clamps an unplated part is driven by the driving mechanism 5 to rotate downwards until the part to be electroplated is completely immersed in the electroplating solution, the electroplating solution is conductive, the external power supply can transmit electrons to the cathode clamping assembly, the gold element in the solution obtains electrons to form a solid gold simple substance at the bottom of the cathode clamping assembly to form a plating layer on the surface of the part, the gold block on the anode clamping assembly loses electrons and becomes a free state to enter the electrolyte, when the plating layer reaches a proper thickness, the driving mechanism 5 continues to rotate, the part which is electroplated is separated from the electroplating solution, until the next part to be electroplated enters the electrolyte and stagnates again, and at the moment, the part which is electroplated can stand and drain water, the waterlogging caused by excessive rainfall time is slightly shorter than the electroplating time of next part, the time that differs is used for, take off the part that has electroplated and adorn the part that does not electroplate again, because the part need be in complete submergence and the solution, so the clamping part also needs submergence, so the gold material on the clamping head 9 surface that metal gold made on the negative pole clamping assembly can be thicker and thicker, the gold material on the clamping head 9 surface that metal gold made on the positive pole clamping assembly 2 can be thinner and thinner, the clamping head 9 on positive pole clamping assembly 2 consumes certain degree, just can change with the biggest clamping head 9 of material thickness on the more negative pole clamping assembly of material, do not need to use new clamping head 9 on the one hand like this, on the other hand also need not carry out regular clearance to the clamping head 9 of negative pole clamping assembly trade, electric operation has been simplified.

The foregoing has described the principles, principal features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and such changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (10)

1. A continuous gold plating corrosion resistant apparatus, characterized by: including electroplating bath (3), be provided with positive pole centre gripping subassembly (2) and actuating mechanism (5) on electroplating bath (3), the output of actuating mechanism (5) is connected with carousel (1), be provided with negative pole centre gripping subassembly on carousel (1), positive pole centre gripping subassembly is connected external power source's positive pole, negative pole centre gripping subassembly is connected external power source's negative pole, negative pole centre gripping subassembly include with telescopic link (7) and centre gripping handle (8) that carousel (1) is connected, one the negative pole centre gripping subassembly the quantity of centre gripping handle (8) has two to the symmetry arrange with carousel (1) rotates to be connected, the expansion end of telescopic link (7) drives two through traction block (10) centre gripping handle (8) are close to each other or keep away from each other, and it has centre gripping joint (9) still to pin joint on every centre gripping handle (8), centre gripping joint (9) are made by metal material, are suitable for and do not to get into in the plating solution in the electroplating bath (3).

2. The continuous gold plating corrosion resistant apparatus of claim 1, wherein: the number of the cathode clamping assemblies is two to three, and the cathode clamping assemblies are uniformly distributed on the same end face of the rotary table (1) in an annular mode.

3. The continuous gold plating corrosion resistant apparatus of claim 2, wherein: the telescopic rod (7) of each group of cathode clamping assembly is fixedly connected to the end face of the turntable (1) through a fixing sleeve (701), and the telescopic rod (7) is an air cylinder.

4. The continuous gold plating corrosion resistant apparatus of claim 3, wherein: carousel (1) fixed cover (701) place terminal surface be provided with the same in pairs restraint axle (6) of telescopic link (7) quantity, restraint axle (6) have including with carousel (1) fixed connection's fixed axle (601), fixed axle (601) pass be provided with spacing ring (602) at the tip behind shaft hole (801) seted up on centre gripping handle (8).

5. The continuous gold plating corrosion resistant apparatus of claim 4, wherein: pull block (10) fixed connection in the expansion end of telescopic link (7), pull block (10) subtend direction chamber (101) have been seted up to the side of centre gripping handle (8), and spout (102) have been seted up to the lateral wall in direction chamber (101), the one end of centre gripping handle (8) extends to direction chamber (101), the slip axle (802) that set up on centre gripping handle (8) with spout (102) cooperation constitutes the pair that slides, the other end of centre gripping handle (8) with clamping head (9) pin joint.

6. The continuous gold plating corrosion resistant apparatus of claim 5, wherein: the clamping handle (8) is provided with a matching groove (803) at one end far away from the traction block (10), the clamping handle (8) is provided with a through pin hole (804) in the matching groove (803), the end part of the clamping head (9) is provided with a matching plate (903), the matching plate (903) is provided with a pin shaft (902), the matching plate (903) is suitable for being embedded in the matching groove (803), and the pin shaft (902) penetrates through the pin hole (804) to fix the clamping head (9) at the end part of the clamping handle (8).

7. The continuous gold plating corrosion resistant apparatus of claim 6, wherein: the clamping surfaces (901) of the two opposite side surfaces of the clamping heads (9) in each group of cathode clamping assemblies are coated with PTFE coatings, the number of the clamping heads (9) on the clamping surfaces (901) is two, a clamping groove (904) is formed between the two clamping plates (903), and the clamping heads (9) are clamped with the end parts of the clamping handles (8) through the clamping grooves (904).

8. The continuous gold plating corrosion resistant apparatus of claim 7, wherein: the structure of the anode clamping assembly (2) is the same as that of the cathode clamping assembly, and a pair of restraint shafts (6) in the anode clamping assembly (2) is fixedly connected to the inner wall of the electroplating pool (3).

9. The continuous gold-plated corrosion-resistant apparatus according to any one of claims 1 to 8, wherein: the electroplating pool (3) is made of ceramic materials, and the inner wall of the electroplating pool (3) is coated with a PTFE coating.

10. The continuous gold plating corrosion resistant apparatus of claim 1, wherein: the bottom of the electroplating pool (3) is provided with a frame (4), and the electroplating pool (3) is placed on the ground through the frame (4).

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