CN111020682A - Electroplating equipment for electric terminal and electroplating process thereof - Google Patents

Abstract

The invention relates to the technical field of electroplating, in particular to electroplating equipment for an electric terminal and an electroplating process thereof. The electroplating equipment can avoid electroplating the connecting belt for connecting the electric terminals due to the current immersion type electroplating mode and avoid resource waste, and the gold-plated product manufactured by the electroplating equipment is matched with the improved electroplating process has good corrosion resistance and conductivity, and the electric terminals are easy to weld and use in practical application.

Description

Electroplating equipment for electric terminal and electroplating process thereof

Technical Field

The invention relates to the technical field of electroplating, in particular to electroplating equipment for an electric terminal and an electroplating process thereof.

Background

Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, and is mainly used for improving the wear resistance, conductivity, light reflection, corrosion resistance, appearance and the like of the metals.

The common plating method of the electric terminals at present adopts a soaking type plating method, namely, the electric terminals are completely soaked in plating solution for plating gold, the connecting belt can be plated together with the electric terminals in the plating process, the connecting belt only has the function of connecting each electric terminal, when each electric terminal on the connecting belt is taken out, the connecting belt becomes waste, and the plating method easily causes waste of resources.

Disclosure of Invention

The technical problem to be solved by the invention is to provide electroplating equipment for an electric connection terminal and an electroplating process thereof, wherein the electroplating equipment only electroplates the electric connection terminal on a connecting belt, so that the waste of resources is avoided; the gold-plated product manufactured by the electroplating equipment of the invention is matched with the improved electroplating process, has good corrosion resistance and conductivity, and is easy to weld and use in practical application.

In order to solve the technical problems, the invention adopts the following technical scheme: the electroplating equipment for the electric terminal comprises a feeding device for conveying a workpiece, an immersion cloth, a stretching assembly for stretching the immersion cloth, and a water spraying assembly for spraying electroplating solution to the immersion cloth, wherein the stretching assembly comprises at least two conductive columns, and the at least two conductive columns are wrapped and surrounded by the immersion cloth.

Preferably, the water spray assembly comprises a water pipe and a plurality of nozzles arranged on the water pipe, and the water pipe is arranged on the inner side of the immersion cloth.

Preferably, the feeding device is provided with a first limiting assembly for preventing the upper end and the lower end of the workpiece from deviating, and the first limiting assembly comprises a turntable arranged on the feeding device.

Preferably, first spacing subassembly still includes fixed mounting in material feeding unit's installation base, locates the sliding seat of installation base, wears to locate the cross axle of sliding seat, is used for adjusting the first regulating part of cross axle position, locates the vertical seat of sliding seat and locates the second regulating part that the vertical direction position of seat just is used for adjusting the vertical direction position of sliding seat, the tip of cross axle is located to the carousel.

Preferably, the turntable is sleeved with a rubber ring.

Preferably, both ends all are equipped with the spacing subassembly of second that is used for restricting the work piece position about material feeding unit, and this spacing subassembly of second includes spacing post and lower spacing post, should go up and be equipped with the interval between the horizontal position of spacing post and the horizontal position of lower spacing post.

Preferably, the second limit component further comprises an installation support, an adjusting seat arranged on the installation support, a lifting adjusting column arranged on the adjusting seat, a connecting shaft fixedly connected with the lifting adjusting column and penetrating through the lower limit column, a third adjusting piece used for adjusting the vertical direction position of the lifting adjusting column, a rotating shaft arranged on the connecting shaft and a fourth adjusting piece used for fixing the position of the rotating shaft, wherein the connecting shaft penetrates through one end of the rotating shaft, and the other end of the rotating shaft is fixedly connected with the upper limit column.

Preferably, a limiting guide pillar for limiting the position of the workpiece is arranged at the discharge end of the feeding device.

Preferably, the head end and the tail end of the immersion cloth are fixedly connected through magic tapes.

Preferably, the electroplating bath device further comprises an electroplating bath and a recovery pipe for recovering the electroplating solution, wherein two ends of the recovery pipe are respectively communicated with the electroplating bath and the water spray assembly; the feeding device, the stretching assembly and the water spraying assembly are all arranged in the electroplating bath.

The electroplating process of the electroplating equipment for the electric terminal comprises the following steps:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 3 to 6, the specific gravity is 8 to 25Be, and the electroplating processing temperature is 45 to 70 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece after the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 3.8-4.8, and the concentration specific gravity of baume is 10-18 Be; the plating temperature is 50 to 63 degrees.

Preferably, the method further comprises the following steps:

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the gold stripping solution is 3-8 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

The invention has the beneficial effects that: the invention provides electroplating equipment for an electric terminal, in practical application, a conductive column is electrically connected with a positive pole of a power supply, the electric terminal is used as a negative pole of the power supply, a water spraying assembly sprays electroplating solution onto an immersion cloth to wet the immersion cloth, when a feeding device moves the electric terminal to be in contact with the immersion cloth, the electric terminal, the immersion cloth and the conductive column form a circuit for conduction, gold elements are electroplated on the electric terminal according to the principle of an electrolysis method, the coverage range of the immersion cloth is wider, the immersion cloth extends from one end of the feeding device to the other end, the electroplating terminal can move from the head end to the tail end of the immersion cloth when in electroplating, namely the electroplating terminal can be in contact with the immersion cloth for a long time, and the electroplating effect is ensured, so that the electroplating mode avoids electroplating of a connecting belt for connecting the electric terminal due to the current immersion type electroplating mode, and avoids resource waste, the production cost is saved.

The gold-plated product manufactured by the electroplating equipment of the invention is matched with the improved electroplating process, has good corrosion resistance and conductivity, and is easy to weld and use in practical application.

Drawings

FIG. 1 is a schematic perspective view of a plating apparatus for electrical terminals according to the present invention.

FIG. 2 is a schematic perspective view showing a feeding device and a dipping cloth in the plating apparatus for electrical terminals of the present invention.

Fig. 3 is a schematic perspective view of a second limiting member of the electroplating apparatus for electrical terminals according to the present invention.

Detailed Description

The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.

As shown in fig. 1 to 3, the electroplating apparatus for electrical terminals comprises a feeding device 1 for conveying a workpiece, an immersion cloth 2, a spreading assembly for spreading the immersion cloth 2, and a water spraying assembly 3 for spraying an electroplating solution to the immersion cloth 2, wherein the spreading assembly comprises at least two conductive posts 4, and the at least two conductive posts 4 are wrapped and surrounded by the immersion cloth 2.

Preferably, the immersion cloth 2 is cotton cloth; preferably, the number of the conductive posts 4 is three, one of the conductive posts is located above, and the other two conductive posts are located below; in practical application, the conductive column 4 is electrically connected with the positive pole of a power supply, the electric terminal is used as the negative pole of the power supply, during electroplating, the water spraying assembly 3 sprays electroplating solution onto the immersion cloth 2 to wet the immersion cloth 2, when the feeding device 1 moves the electric terminals to be contacted with the immersion cloth 2, the electric terminals, the immersion cloth 2 and the conductive column 4 form circuit conduction, gold elements are electroplated on the electric terminals by the principle of electrolysis, the immersion cloth 2 has a wide coverage range, extends from one end of the feeding device 1 to the other end, and can move from the head end to the tail end of the immersion cloth 2 when the electroplating terminal is electroplated, namely, the plating terminal can be contacted with the dipping cloth 2 for a long time to ensure the plating effect, and the plating mode, the connecting belt for connecting the electric connection terminal is prevented from being electroplated due to the current immersion type electroplating mode, so that the waste of resources is avoided, and the production cost is saved.

In this embodiment, the water spray unit 3 includes a water pipe 30 and a plurality of nozzles 31 provided in the water pipe 30, and the water pipe 30 is provided inside the immersion cloth 2. In practical application, the electroplating solution in the container is pumped out by a water pump, passes through the water pipe 30 and is sprayed out from the nozzles 31 to the immersion cloth 2, and the immersion cloth 2 can be in a wet state as soon as possible due to the design of the plurality of nozzles 31, so that the electroplating effect is ensured.

In this embodiment, the feeding device 1 is provided with a first limiting component for preventing the upper and lower ends of the workpiece from deviating, and the first limiting component includes a turntable 10 disposed on the feeding device 1. In practical application, carousel 10 is used for the upper and lower both ends position of restriction work piece to avoid it to take place the skew, the in-process of the transport of work piece can drive carousel 10 simultaneously and rotate, and such structural design is in order to avoid carousel 10 wearing and tearing work piece, and the practicality is strong.

In this embodiment, the first limiting assembly further includes an installation base 11 fixedly installed on the feeding device 1, a movable seat 12 installed on the installation base 11, a horizontal shaft 13 penetrating through the movable seat 12, a first adjusting member 14 for adjusting the position of the horizontal shaft 13, a vertical seat 15 installed on the movable seat 12, and a second adjusting member 16 installed on the vertical seat 15 and used for adjusting the position of the movable seat 12 in the vertical direction, and the rotary table 10 is installed at the end of the horizontal shaft 13. Preferably, the first adjusting member 14 and the second adjusting member 16 are both screws; when the position of the rotary table 10 is adjusted, the position of the transverse shaft 13 can be adjusted by loosening the first adjusting piece 14, after the adjustment is completed, the adjustment of the position of the rotary table 10Y direction can be completed by screwing the first adjusting piece 14, when the position of the rotary table 10 in the vertical direction is adjusted, the movable base 12 can move up and down along with the first adjusting piece 16 by loosening the second adjusting piece, after the adjustment is completed, the adjustment of the position of the rotary table 10 in the lifting direction can be completed by screwing the first adjusting piece 14, therefore, the position of the rotary table 10 can be adjusted according to different production requirements, and the applicability is wide.

In this embodiment, the turntable 10 is sleeved with a rubber ring. The rubber ring is used for preventing abrasion between the rotary table 10 and a workpiece, and the practicability is high.

In this embodiment, the left end and the right end of the feeding device 1 are both provided with a second limiting component for limiting the position of the workpiece, the second limiting component includes an upper limiting column 17 and a lower limiting column 18, and a gap is provided between the horizontal position of the upper limiting column 17 and the horizontal position of the lower limiting column 18. In practical application, a workpiece can pass through the space between the upper limiting column 17 and the lower limiting column 18, the lower limiting column 18 provides upward supporting force for the workpiece, and the upper limiting column 17 provides downward supporting force for the workpiece, so that the workpiece is prevented from being shifted in position in the conveying process, and the accuracy of the conveying position of the workpiece is ensured.

In this embodiment, the spacing subassembly of second still includes erection support 19, locates the regulation seat 1A of erection support 19, locate the lift adjustment post 1B who adjusts seat 1A, with lift adjustment post 1B fixed connection and wear to locate down spacing post 18 connecting axle 1C, be used for adjusting the third regulating part 1D of lift adjustment post 1B vertical direction position, locate connecting axle 1C's rotation axis 1E and be used for the fourth regulating part 1F of fixed rotation axis 1E position, the one end of rotation axis 1E is worn to locate by connecting axle 1C, the other end and the last spacing post 17 fixed connection of rotation axis 1E. Preferably, lift adjustment post 1B is for wearing to locate the screw thread post of adjusting seat 1A, and third regulating part 1D is for locating first locking knob and the second locking knob about adjusting seat 1A respectively and using with the screw thread post cooperation, and in practical application, through loosening first locking knob and second locking knob, make the screw thread post can carry out the lift and move, adjust and accomplish the regulation to 18 vertical positions of lower spacing post with second locking knob of back locking, in order to satisfy different production demands, extensive applicability. (ii) a Preferably, fourth regulating part 1F is locking screw, and in practical application, through loosening locking screw, makes rotation axis 1E can carry out rotation regulation, adjusts the back of accomplishing, can accomplish the rotation regulation to last spacing post 17 through locking screw to satisfy different production demands, extensive applicability.

In this embodiment, a discharging end of the feeding device 1 is provided with a limiting guide pillar 1G for limiting the position of a workpiece. Preferably, the position-limiting guide post 1G is a glass guide post to prevent the workpiece from being worn when contacting with the glass guide post, and the position-limiting guide post 1G is used for limiting the moving position of the workpiece to ensure the accuracy of the displacement thereof.

In this embodiment, the head and the tail of immersion cloth 2 are fixed and connected through magic tape. The magic tape is simple in fixing mode structure, convenient to operate and high in practicability.

In this embodiment, the electroplating bath apparatus further comprises an electroplating bath 5 and a recovery pipe for recovering the electroplating solution, wherein two ends of the recovery pipe are respectively communicated with the electroplating bath 5 and the water spray assembly 3; the feeding device 1, the extension component and the water spraying component 3 are all arranged in the electroplating bath 5. When the water spray assembly 3 sprays the electroplating solution to the immersion cloth 2, partial electroplating solution drops to the electroplating bath 5 inevitably, the partial electroplating solution is recycled through the recovery pipe at the moment, and the part of electroplating solution flows back to the water spray assembly 3 through the recovery pipe again to be utilized again, so that the resource waste is avoided.

The electroplating process of the electroplating equipment for the electric terminal comprises the following steps:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 3 to 6, the specific gravity is 8 to 25Be, and the electroplating processing temperature is 45 to 70 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece after the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 3.8-4.8, and the concentration specific gravity of baume is 10-18 Be; the plating temperature is 50 to 63 degrees.

In this embodiment, in the first step, the water washing process is to move the workpiece to a washing tank for washing or to spray the workpiece.

In this embodiment, in the third step, the water washing treatment is to transfer the workpiece to a washing tank for washing or to spray the workpiece.

The electroplating process of the electroplating equipment for the electric terminal comprises the following steps:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 3 to 6, the specific gravity is 8 to 25Be, and the electroplating processing temperature is 45 to 70 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece after the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 3.8-4.8, and the concentration specific gravity of baume is 10-18 Be; the plating temperature is 50 to 63 degrees.

In this embodiment, the method further includes the following steps:

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the gold stripping solution is 3-8 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

The gold-plated product manufactured by the electroplating equipment of the invention is matched with the improved electroplating process, has good corrosion resistance and conductivity, and is easy to weld and use in practical application.

The following three examples were completed and tested for corrosion resistance and weldability using the plating apparatus of the present invention in combination with the improved plating process.

The first embodiment is as follows:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 3, the specific gravity is 8Be, and the electroplating processing temperature is 45 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece subjected to the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 3.8, and the concentration specific gravity of Baume degree is 10 Be; the electroplating processing temperature is 50 ℃;

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the adopted gold stripping liquid is 3 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

Example two:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 4, the specific gravity is 17Be, and the electroplating processing temperature is 60 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece subjected to the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 4.5, and the concentration specific gravity of baume is 12 Be; the electroplating processing temperature is 57 ℃;

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the adopted gold stripping liquid is 7 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

Example three:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 6, the specific gravity is 25Be, and the electroplating processing temperature is 70 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece subjected to the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 4.8, and the concentration specific gravity of baume is 18 Be; the electroplating processing temperature is 63 ℃;

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the adopted gold stripping liquid is 8 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

Comparative example one:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 1, the specific gravity is 2Be, and the electroplating processing temperature is 30 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece subjected to the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 2.1, and the concentration specific gravity of baume is 5 Be; the electroplating processing temperature is 28 ℃;

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the gold stripping liquid is 1 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

Comparative example two:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 7, the specific gravity is 34Be, and the electroplating processing temperature is 82 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece subjected to the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 6.6, and the concentration specific gravity of baume is 40 Be; the electroplating processing temperature is 80 ℃;

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the adopted gold stripping liquid is 20 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

And (3) testing the corrosion resistance of the plating layer: the electric terminals prepared by the embodiments 1 to 3 and the comparative examples 1 to 2 of the invention are taken to have the area of 10mm x 10mm to be subjected to an acid salt spray experiment, the number of rust points on a plating layer is observed after the experiment is carried out for 24 hours, and the test results are shown in table 1;

testing the welding performance of the plating layer: respectively welding the electric terminals prepared in the examples 1 to 3 and the comparative examples 1 to 2 respectively, wherein the welding area is 5 x 5mm, and stretching the welded sample by using an HY-1080 type universal stretching machine, wherein the pulling force is greater than 1000N, and the welding performance is good; the pulling force is larger than 800N and smaller than 1000N, and the welding performance is general; the pulling force is less than 800N, the welding performance is poor, and the test result is shown in Table 1.

Table one:

。

the test data in table one shows that the corrosion resistance and the welding performance of the electric terminal prepared by the electroplating equipment and the electroplating process are greatly improved compared with those of comparative example 1 and comparative example 2, the welding efficiency and the service life of the electric terminal are effectively improved in practical application, and the table one shows that the prepared electric terminal has the advantages that the corrosion resistance and the welding performance of the electric terminal greatly slide down after the preparation parameters are increased or reduced, the electric terminal cannot be used for sale processing, unnecessary waste is caused, and the loss is not paid.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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 invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. Electroplating equipment for electric terminals, comprising a feeding device (1) for conveying workpieces, characterized in that: the device is characterized by further comprising an immersion cloth (2), an extension assembly for extending and unfolding the immersion cloth (2), and a water spraying assembly (3) for spraying electroplating solution to the immersion cloth (2), wherein the extension assembly comprises at least two conductive posts (4), and the at least two conductive posts (4) are wrapped and surrounded by the immersion cloth (2).

2. The plating apparatus for electrical terminals as recited in claim 1, wherein: the water spray assembly (3) comprises a water pipe (30) and a plurality of nozzles (31) arranged on the water pipe (30), and the water pipe (30) is arranged on the inner side of the immersion cloth (2).

3. The plating apparatus for electrical terminals as recited in claim 1, wherein: the feeding device (1) is provided with a first limiting component for preventing the upper end and the lower end of a workpiece from deviating, and the first limiting component comprises a turntable (10) arranged on the feeding device (1).

4. The plating apparatus for electrical terminals as recited in claim 3, wherein: first spacing subassembly still includes fixed mounting in installation base (11) of material feeding unit (1), locates sliding seat (12) of installation base (11), wears to locate transverse axis (13) of sliding seat (12), is used for adjusting first regulating part (14) of transverse axis (13) position, locates the seat (15) of standing of sliding seat (12) and locates and stand seat (15) and be used for adjusting second regulating part (16) of the vertical direction position of sliding seat (12), the tip of transverse axis (13) is located in carousel (10).

5. The plating apparatus for electrical terminals as recited in claim 3, wherein: the turntable (10) is sleeved with a rubber ring.

6. The plating apparatus for electrical terminals as recited in claim 1, wherein: the left end and the right end of the feeding device (1) are respectively provided with a second limiting component used for limiting the position of a workpiece, the second limiting component comprises an upper limiting column (17) and a lower limiting column (18), and an interval is arranged between the horizontal position of the upper limiting column (17) and the horizontal position of the lower limiting column (18).

7. The plating apparatus for electrical terminals as recited in claim 6, wherein: the spacing subassembly of second still includes erection support (19), locate regulation seat (1A) of erection support (19), locate lift adjustment post (1B) of adjusting seat (1A), with lift adjustment post (1B) fixed connection and wear to locate connecting axle (1C) of lower limit post (18), be used for adjusting third regulating part (1D) of lift adjustment post (1B) vertical direction position, locate rotation axis (1E) of connecting axle (1C) and be used for fixed rotation axis (1E) fourth regulating part (1F) of position, the one end of rotation axis (1E) is worn to locate in connecting axle (1C), the other end and the last limit post (17) fixed connection of rotation axis (1E).

8. The plating apparatus for electrical terminals as recited in claim 1, wherein: the electroplating bath device also comprises an electroplating bath (5) and a recovery pipe for recovering the electroplating solution, wherein two ends of the recovery pipe are respectively communicated with the electroplating bath (5) and the water spray assembly (3); the feeding device (1), the extension component and the water spraying component (3) are all arranged in the electroplating bath (5).

9. A plating process using the plating apparatus for electrical terminals according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:

the method comprises the following steps: washing the workpiece with water;

step two: transferring the workpiece which is subjected to the first step to gold plating equipment for pre-gold plating treatment, wherein the plating parameters are as follows: the PH value is 3 to 6, the specific gravity is 8 to 25Be, and the electroplating processing temperature is 45 to 70 ℃;

step three: washing the workpiece subjected to the second step;

step four: transferring the workpiece after the third step to gold plating equipment for gold plating treatment, wherein the pH value of electroplating solution is 3.8-4.8, and the concentration specific gravity of baume is 10-18 Be; the plating temperature is 50 to 63 degrees.

10. The plating process of a plating apparatus for electrical terminals according to claim 9, characterized in that: further comprising the steps of:

step five: recovering the electroplating solution in the electroplating bath;

step six: washing the workpiece after the step five;

step seven; performing gold stripping treatment on the workpiece subjected to the sixth step, wherein the concentration of the gold stripping solution is 3-8 mol/L;

step eight; and C, performing water washing treatment on the workpiece subjected to the step seven.

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