CN219547137U - Single chip microcomputer pin tin film electroplating equipment - Google Patents

Abstract

The utility model provides a single-chip microcomputer pin tin film electroplating device, which comprises a frame component; the sliding box body is arranged in the frame assembly through the longitudinal sliding assembly, and an electroplating assembly is arranged in the sliding box body; the electroplating assembly comprises an electroplating bath, a semi-permeable membrane plate, two mounting blocks and a plurality of anode blocks, wherein the electroplating bath is fixedly connected in a sliding box body, electrolyte solution is arranged in the electroplating bath, the two mounting blocks are fixedly connected to the bottom inner wall of the electroplating bath, the semi-permeable membrane plate is movably clamped in the two mounting blocks, the anode blocks are fixedly connected to the side wall of the electroplating bath, the electroplating process of the singlechip is automatically controlled by the device, and meanwhile, the sliding box body and the azimuth of the clamping assembly are flexibly adjusted by the device, so that the electroplating assembly is suitable for a large number of singlechip tin film electroplating operations, labor is saved, and the lead electroplating efficiency of the singlechip is effectively improved.

Description

Single chip microcomputer pin tin film electroplating equipment

Technical Field

The utility model belongs to the technical field of electroplating equipment, and particularly relates to single-chip microcomputer pin tin film electroplating equipment.

Background

The electroplating process is a method of laying a layer of metal on an electric conductor by utilizing the principle of electrolysis. Electroplating refers to a surface processing method for forming a plating layer by taking a plated base metal as a cathode in a salt solution containing the pre-plated metal and depositing cations of the pre-plated metal in the plating solution on the surface of the base metal through electrolysis.

In the prior art, the singlechip is required to be electroplated with a tin film at the pin part before welding, so that the installation of the singlechip is facilitated, the conductivity of the singlechip is improved, the tin film of the pin of the singlechip is usually electroplated manually, and the method is time-consuming and labor-consuming and is not suitable for the electroplating operation of a large number of the singlechip tin films.

Disclosure of Invention

The utility model aims to provide a single-chip microcomputer pin tin film electroplating device, and aims to solve the problems that in the prior art, a manual electroplating method is usually adopted for the tin film of the single-chip microcomputer pin, the method is time-consuming and labor-consuming, and the method is not suitable for the electroplating operation of a large number of single-chip microcomputer tin films.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a single chip microcomputer pin tin film electroplating device comprises:

a frame assembly;

the sliding box body is arranged in the frame assembly through the longitudinal sliding assembly, and an electroplating assembly is arranged in the sliding box body;

the electroplating assembly comprises an electroplating bath, a semi-permeable membrane plate, two mounting blocks and a plurality of anode blocks, wherein the electroplating bath is fixedly connected in a sliding box body, electrolyte solution is arranged in the electroplating bath, the two mounting blocks are fixedly connected to the bottom inner wall of the electroplating bath, the semi-permeable membrane plate is movably clamped in the two mounting blocks, and the anode blocks are fixedly connected to the side wall of the electroplating bath;

the clamping assembly is arranged on the upper side of the electroplating bath to realize the clamping function of the clamping assembly; and

the direct current rectifier anode is electrically connected with the plurality of anode blocks, the cathode of the direct current rectifier is connected with the clamping assembly through the power transmission line, and the clamping assembly clamps a product and then moves the product into the electroplating bath to realize product electroplating through ion exchange of electrolyte solution in the electroplating bath.

As a preferable scheme of the utility model, the frame assembly comprises a floor, a first fixing plate, a second fixing plate, two supporting blocks and side support plates, wherein the two supporting blocks are symmetrically and fixedly connected to the upper ends of the floor, the first fixing plate is fixedly connected to the side ends of the two supporting blocks, the two side support plates are symmetrically and fixedly connected to the upper ends of the floor, and the second fixing plate is fixedly connected to the side ends of the two side support plates.

As a preferable scheme of the utility model, the clamping assembly comprises a U-shaped clamping plate, a driving gear, a driven gear, a wire connecting block, a fourth motor, two gears, racks and a clamping block, wherein the U-shaped clamping plate is arranged on the upper side of the electroplating bath, the two gears are respectively connected to the two side walls of the U-shaped clamping plate in a rotating way through a rotating shaft, the two racks are slidingly connected in the U-shaped clamping plate and are respectively connected with the gears in a meshed way, the two clamping blocks are respectively and fixedly connected to the bottom ends of the racks, the fourth motor is fixedly connected to the side ends of the U-shaped clamping plate, the driving gear and the driven gear are respectively connected in the U-shaped clamping plate in a rotating way through the rotating shaft, the driving gear and the driven gear are respectively connected with the two racks in a meshed way, the fourth motor is fixedly connected to the side ends of the U-shaped clamping plate, and the output end of the U-shaped clamping plate movably penetrates through the inner wall of the U-shaped clamping plate and is fixedly connected with the rotating shaft of the driving gear.

As a preferable scheme of the utility model, the longitudinal sliding component comprises a first motor, a first screw rod, a first thread block and a plurality of first sliding blocks, wherein the first motor is fixedly connected with the side end of the second fixed plate, the output end of the first motor movably penetrates through the side end of the second fixed plate, the first thread block is fixedly connected with the bottom end of the sliding box body, the first screw rod is rotationally connected with the approaching ends of the first fixed plate and the second fixed plate, the first screw rod is fixedly connected with the output end of the first motor, the first thread block is in threaded connection with the first screw rod, the two first sliding rods are fixedly connected with the approaching ends of the second fixed plate and the first fixed plate, the plurality of first sliding blocks are symmetrically and fixedly connected with the bottom end of the sliding box body, and the plurality of first sliding blocks are respectively and slidably connected with the circumferential surfaces of the two first sliding blocks.

As a preferable scheme of the utility model, two sliding plates are connected between the adjacent ends of the two side support plates in a sliding way through a transverse sliding assembly, the adjacent ends of the two sliding plates are fixedly connected with two connecting plates, the adjacent ends of the two sliding plates are fixedly connected with two transverse plates, and the adjacent ends of the two transverse plates are fixedly connected with vertical threaded plates.

As a preferable scheme of the utility model, the transverse sliding assembly comprises a second motor, a second screw rod and two second sliding rods, wherein the two second sliding rods are fixedly connected to the adjacent ends of the two side support plates, the two sliding plates are slidably connected to the circumferential surfaces of the two second sliding rods, the second screw rod is rotatably connected to the adjacent ends of the two side support plates, the second screw rod is in threaded connection with the vertical threaded plate, the second motor is fixedly connected to the side end of one side support plate, and the output end of the second motor movably penetrates through the side end of one side support plate and is fixedly connected with the second screw rod.

As a preferable scheme of the utility model, a vertical sliding component is arranged between the two connecting plates, the vertical sliding component comprises a third motor, a third screw rod, two third sliding rods and a vertical sliding plate, the two third sliding rods are fixedly connected to the approaching ends of the two connecting plates, the third screw rod is rotationally connected to the approaching ends of the two connecting plates, the third motor is fixedly connected to the upper end of the connecting plate positioned at the upper side, the output end of the third motor movably penetrates through the lower end of the connecting plate and is fixedly connected with the third screw rod, the two vertical sliding plates are slidably connected to the circumferential surfaces of the two third sliding rods, the vertical sliding plates positioned at the upper side are in threaded connection with the third screw rod, and the two vertical sliding plates are fixedly connected to the side ends of the U-shaped clamping plates.

As a preferable scheme of the utility model, the first motor, the second motor, the third motor, the fourth motor and the direct current rectifier are controlled to run through a PLC control system, and the first motor, the second motor, the third motor, the fourth motor and the direct current rectifier are electrically connected with an external power supply.

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

1. according to the utility model, the electroplating process of the single-chip microcomputer is automatically controlled by using the device, and meanwhile, the positions of the sliding box body and the clamping assembly are flexibly adjusted by using the device, so that the device is suitable for a large number of single-chip microcomputer tin film electroplating operations, saves labor and effectively improves the single-chip microcomputer pin electroplating efficiency.

2. According to the utility model, the first screw rod is in threaded connection with the first threaded block, the first threaded block is fixed with the sliding box body, the sliding box body is driven to longitudinally move through rotation of the first screw rod, and the two first sliding rods are connected with the sliding box body through the first sliding blocks, so that the sliding box body is limited and longitudinally moves more stably.

3. In the utility model, the second motor in the transverse sliding assembly drives the second screw rod at the output end of the transverse sliding assembly to rotate during operation, the second screw rod drives the vertical screw plate in threaded connection with the second screw rod to transversely move during rotation, and the stability of the transverse sliding assembly during transverse movement is improved through the sliding connection between the two second sliding rods and the sliding plate.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a first perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is a third perspective view of the present utility model;

FIG. 4 is a first cross-sectional view of the present utility model;

FIG. 5 is a side cross-sectional view of the present utility model;

FIG. 6 is an enlarged view of a portion of the utility model at B in FIG. 5;

FIG. 7 is a second cross-sectional view of the present utility model;

fig. 8 is an enlarged view of a portion of fig. 7 a in accordance with the present utility model.

In the figure: 1. a bottom plate; 101. a support block; 102. a first fixing plate; 103. a second fixing plate; 104. a side support plate; 105. a sliding box body; 2. plating bath; 201. a mounting block; 202. a semipermeable membrane plate; 203. an anode block; 204. a direct current rectifier; 205. a power transmission line; 3. a sliding plate; 301. a connecting plate; 303. a cross plate; 304. vertical thread plates; 4. a first motor; 401. a first slide bar; 402. a first slider; 403. a first screw; 404. a first threaded block; 5. a second motor; 501. a second slide bar; 502. a second screw; 6. a third motor; 601. a third slide bar; 602. a third screw; 603. a vertical sliding plate; 7. a fourth motor; 701. u-shaped clamping plates; 702. a gear; 703. a rack; 704. a clamping block; 705. a drive gear; 706. and a wire connecting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-8, the present utility model provides the following technical solutions:

a single chip microcomputer pin tin film electroplating device comprises:

a frame assembly;

the sliding box body 105, the sliding box body 105 is arranged in the frame assembly through the longitudinal sliding assembly, and an electroplating assembly is arranged in the sliding box body 105;

the electroplating assembly comprises an electroplating bath 2, a semi-permeable membrane plate 202, two mounting blocks 201 and a plurality of anode blocks 203, wherein the electroplating bath 2 is fixedly connected in a sliding box body 105, electrolyte solution is arranged in the electroplating bath 2, the two mounting blocks 201 are fixedly connected to the bottom inner wall of the electroplating bath 2, the semi-permeable membrane plate 202 is movably clamped in the two mounting blocks 201, and the anode blocks 203 are fixedly connected to the side wall of the electroplating bath 2;

the clamping assembly is arranged on the upper side of the electroplating bath 2 to realize the clamping function of the clamping assembly; and

and the direct current rectifier 204, the anode of the direct current rectifier 204 is electrically connected with the plurality of anode blocks 203, the cathode of the direct current rectifier 204 is connected with the clamping component through the power transmission line 205, and the clamping component clamps a product and then moves the product into the electroplating bath 2 to realize product electroplating through ion exchange of electrolyte solution in the electroplating bath 2.

In the specific embodiment of the utility model, an electroplating assembly is arranged in the sliding box 105, the electroplating assembly is connected with the longitudinal sliding assembly through the sliding box 105 to realize longitudinal adjustment, the electroplating bath 2 in the electroplating assembly is divided into a front space and a rear space for arranging electrodes through two mounting blocks 201 and a semi-permeable membrane 202, the semi-permeable membrane 202 arranged in the middle of the electroplating bath 2 is used for e-passing, the chemical reaction of the electroplated tin in the electroplating bath 2 is the prior art, the clamping assembly clamps the singlechip again without repeated description, after the position of the singlechip is adjusted through the transverse sliding assembly and the longitudinal sliding assembly in the device, the pins of the singlechip are immersed in electrolyte solution stored in the electroplating bath 2 through the operation of the vertical sliding assembly, the clamping assembly is connected to the cathode of the direct current rectifier 204, the anode of the direct current rectifier 204 is connected with the anode block 203, the Sn is electroplated at the pins of the singlechip through e-exchange, the anode block 203 in the electroplating assembly is provided with three, and the anode block 203 is immersed in the electrolyte solution in the electroplating bath 2.

Referring to fig. 1 specifically, the frame assembly includes a floor 1, a first fixing plate 102, a second fixing plate 103, two supporting blocks 101 and side supporting plates 104, the two supporting blocks 101 are symmetrically and fixedly connected to the upper ends of the floor 1, the first fixing plate 102 is fixedly connected to the side ends of the two supporting blocks 101, the two side supporting plates 104 are symmetrically and fixedly connected to the upper ends of the floor 1, and the second fixing plate 103 is fixedly connected to the side ends of the two side supporting plates 104.

In this embodiment: two side support plates 104 and supporting blocks 101 in the frame assembly are symmetrically fixed on the left side and the right side of the upper end of the floor 1, the side support plates 104 are located on the rear side of the supporting blocks 101, the supporting blocks 101 are used for fixing first fixing plates 102, the side support plates 104 are used for connecting transverse sliding assemblies, and second fixing plates 103 are used for reinforcing the two side support plates 104 and improving stability of the two side support plates, and meanwhile are used for connecting longitudinal sliding assemblies to enable the two side support plates to be installed with a proper space.

Referring to fig. 5-8 specifically, the clamping assembly includes a U-shaped clamping plate 701, a driving gear 705, a driven gear, a wire connecting block 706, a fourth motor 7, two gears 702, racks 703 and clamping blocks 704, wherein the U-shaped clamping plate 701 is disposed on an upper side of the plating bath 2, the two gears 702 are respectively connected to two side walls of the U-shaped clamping plate 701 in a rotating manner through a rotating shaft, the two racks 703 are slidably connected in the U-shaped clamping plate 701, the two racks 703 are respectively engaged with the gears 702, the two clamping blocks 704 are respectively and fixedly connected to bottom ends of the racks 703, the fourth motor 7 is fixedly connected to side ends of the U-shaped clamping plate 701, the driving gear 705 and the driven gear are respectively connected in the U-shaped clamping plate 701 in a rotating manner through a rotating shaft, the driving gear 705 and the driven gear are respectively engaged with the two racks 703, the fourth motor 7 is fixedly connected to side ends of the U-shaped clamping plate 701, and an output end of the U-shaped clamping plate 701 movably penetrates through an inner wall of the U-shaped clamping plate 705 and is fixedly connected with the rotating shaft of the driving gear 705.

In this embodiment: limiting blocks are arranged on the lower sides of the front and rear inner walls of the U-shaped clamping plates 701 in the clamping assembly, the two racks 703 are only enabled to move left and right through the clamping connection between the limiting blocks and the two racks 703, the two racks 703 are prevented from being separated from the U-shaped clamping plates 701, gear teeth matched with the gears 702 are arranged at the upper ends of the two racks 703, the two gears 702 are respectively connected in the U-shaped clamping plates 701 through rotating shafts in a rotating mode, the two gears 702 are respectively connected with the racks 703 and driven gears in a meshed mode, the driving gears 705 are driven to rotate through the output end of the fourth motor 7, the driving gears 705 simultaneously drive the driven gears to rotate, the driving gears 705 and the driven gears respectively drive the two gears 702 to move reversely, the gears 702 drive the racks 703 to move, and the single chip microcomputer is clamped when the two clamping blocks 704 are close to each other; the side end of one of the clamping blocks 704 is fixedly provided with a wiring block 706, the wiring block 706 is used for being electrically connected with the cathode of the direct current rectifier 204 through the power transmission line 205, and the singlechip is immersed into the electrolyte solution to form a closed loop after being clamped by the clamping block 704, so that electroplating process operation is realized.

Referring to fig. 3 specifically, the longitudinal sliding component includes a first motor 4, a first screw 403, a first threaded block 404, and a plurality of first sliding blocks 402, where the first motor 4 is fixedly connected to a side end of the second fixing plate 103, an output end of the first motor 4 movably penetrates through the side end of the second fixing plate 103, the first threaded block 404 is fixedly connected to a bottom end of the sliding box 105, the first screw 403 is rotatably connected to an adjacent end of the first fixing plate 102 and the second fixing plate 103, the first screw 403 is fixedly connected to an output end of the first motor 4, the first threaded block 404 is in threaded connection with the first screw 403, two first sliding bars 401 are fixedly connected to adjacent ends of the second fixing plate 103 and the first fixing plate 102, the plurality of first sliding blocks 402 are symmetrically fixedly connected to the bottom end of the sliding box 105, and the plurality of first sliding blocks 402 are respectively slidably connected to circumferential surfaces of the two first sliding blocks 402.

In this embodiment: the first motor 4 in the longitudinal sliding assembly drives the first screw 403 connected with the output end of the first screw 403 to rotate during operation, the first screw 403 is in threaded connection with the first threaded block 404, the first threaded block 404 is fixed with the sliding box 105, the sliding box 105 is driven to longitudinally move through the rotation of the first screw 403, and the two first sliding rods 401 are connected with the sliding box 105 through the first sliding blocks 402, so that the two first sliding rods 401 are limited and move left and right, and the longitudinal movement is stable.

Referring to fig. 2 specifically, two sliding plates 3 are slidably connected between the adjacent ends of the two side support plates 104 through a transverse sliding assembly, two connecting plates 301 are fixedly connected to the adjacent ends of the two sliding plates 3, two transverse plates 303 are fixedly connected to the adjacent ends of the two sliding plates 3, and vertical threaded plates 304 are fixedly connected to the adjacent ends of the two transverse plates 303.

In this embodiment, the sliding plate 3 drives its lateral movement through the lateral sliding component, the sliding plate 3 is used for connecting the vertical sliding component, the two sliding plates 3 are fixed through the connecting plate 301, so as to improve the stability, the transverse plate 303 is used for connecting the vertical threaded plate 304, and the vertical threaded plate 304 is connected with the lateral sliding component to realize the lateral movement of the sliding plate 3.

Referring to fig. 2 specifically, the lateral sliding assembly includes a second motor 5, a second screw 502, and two second sliding bars 501, where the two second sliding bars 501 are fixedly connected to the adjacent ends of the two side support plates 104, the two sliding plates 3 are slidably connected to the circumferential surfaces of the two second sliding bars 501, the second screw 502 is rotatably connected to the adjacent ends of the two side support plates 104, the second screw 502 is in threaded connection with the vertical threaded plate 304, the second motor 5 is fixedly connected to the side end of one of the side support plates 104, and the output end of the second motor 5 movably penetrates through the side end of the side support plate 104 and is fixedly connected with the second screw 502.

In this embodiment: the second motor 5 in the transverse sliding assembly drives the second screw 502 at the output end of the transverse sliding assembly to rotate during operation, the second screw 502 drives the vertical threaded plate 304 in threaded connection with the second screw 502 to transversely move during rotation, and the stability during transverse movement of the vertical threaded plate is improved through sliding connection between the two second sliding rods 501 and the sliding plate 3.

Referring to fig. 1-7, a vertical sliding component is disposed between two connecting plates 301, the vertical sliding component includes a third motor 6, a third screw 602, two third sliding bars 601 and a vertical sliding plate 603, the two third sliding bars 601 are all fixedly connected to the adjacent ends of the two connecting plates 301, the third screw 602 is rotatably connected to the adjacent ends of the two connecting plates 301, the third motor 6 is fixedly connected to the upper end of the connecting plate 301 located at the upper side, and the output end of the third motor 6 movably penetrates through the lower end of the connecting plate 301 and is fixedly connected with the third screw 602, the two vertical sliding plates 603 are all slidably connected to the circumferential surfaces of the two third sliding bars 601, the vertical sliding plate 603 located at the upper side is in threaded connection with the third screw 602, and the two vertical sliding plates 603 are all fixedly connected to the side ends of the U-shaped clamping plates 701.

In this embodiment: the output end of the third motor 6 is connected with a third screw 602 in the vertical sliding assembly, the vertical sliding plate 603 in threaded connection with the third motor is driven to move vertically through rotation of the third screw, two third sliding rods 601 are arranged to improve the stability of the vertical sliding plate 603 in vertical movement, a U-shaped clamping plate 701 in the clamping assembly is fixed at the side end of the vertical sliding plate 603, the clamping assembly is driven to move vertically through operation of the vertical sliding assembly, a clamping assembly clamps a product, pins of the single-chip microcomputer are driven to be immersed in electrolyte solution in the electroplating bath 2 through operation of the vertical sliding assembly, and electroplating process operation is carried out on the surface of the product.

Referring to fig. 1-8, the first motor 4, the second motor 5, the third motor 6, the fourth motor 7 and the dc rectifier 204 are controlled to operate by a PLC control system, and the first motor 4, the second motor 5, the third motor 6, the fourth motor 7 and the dc rectifier 204 are electrically connected to an external power source.

In this embodiment: the operation of the first motor 4, the second motor 5, the third motor 6, the fourth motor 7 and the direct current rectifier 204 is controlled by the PLC control system, so that the automatic operation of the device is realized, the labor is effectively saved, the operation is simple, the device is suitable for the tin plating operation of a large number of pins of a single chip microcomputer, and the first motor 4, the second motor 5, the third motor 6, the fourth motor 7, the direct current rectifier 204 and the PLC control system are all in the prior art and are not repeated herein.

The working principle and the using flow of the utility model are as follows: when the device is used, firstly, electrolyte solution is added into the electroplating bath 2, the operation of the direct current rectifier 204 is controlled by a PLC control system, the electroplating assembly starts to work, and then the operation of the transverse sliding assembly is controlled, so that the sliding plate 3 and the connecting plate 301 are changed; the operation of the vertical sliding assembly is controlled by the PLC control system, the vertical sliding assembly drives the clamping assembly to slide downwards, and the singlechip is clamped between the two clamping blocks 704 by the operation of the fourth motor 7; controlling the operation of the vertical sliding assembly to drive the clamping assembly to slide upwards, and then controlling the transverse sliding assembly to enable the clamping assembly to be positioned on the upper side of the electroplating bath 2; controlling the longitudinal sliding assembly to drive the sliding box body 105 to move, adjusting the azimuth of the electroplating bath 2 to enable the singlechip to be positioned on the upper side of the cathode electroplating bath 2, then controlling the operation of the vertical sliding assembly to drive the singlechip pins in the clamping assembly to be immersed in electrolyte solution, and electroplating Sn on the surfaces of the singlechip pins through cathode-anode electrode reaction to finish electroplating process operation; the electroplating process of the singlechip is automatically controlled by using the device, and meanwhile, the positions of the sliding box body 105 and the clamping assembly are flexibly adjusted through the device, so that the device is suitable for a large number of singlechip tin film electroplating operations, saves labor, and effectively improves the lead electroplating efficiency of the singlechip.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. A single chip microcomputer pin tin film electroplating device is characterized by comprising:

a frame assembly;

the sliding box body (105) is arranged in the frame assembly through the longitudinal sliding assembly, and an electroplating assembly is arranged in the sliding box body (105);

the electroplating assembly comprises an electroplating bath (2), a semi-permeable membrane plate (202), two mounting blocks (201) and a plurality of anode blocks (203), wherein the electroplating bath (2) is fixedly connected in a sliding box body (105), electrolyte solution is arranged in the electroplating bath (2), the two mounting blocks (201) are fixedly connected to the bottom inner wall of the electroplating bath (2), the semi-permeable membrane plate (202) is movably clamped in the two mounting blocks (201), and a plurality of anode blocks (203) are fixedly connected to the side wall of the electroplating bath (2);

the clamping assembly is arranged on the upper side of the electroplating bath (2) to realize the clamping function of the electroplating bath; and

the direct current rectifier (204), direct current rectifier (204) positive pole and a plurality of positive pole piece (203) electric connection, the negative pole of direct current rectifier (204) is connected with clamping assembly through power transmission line (205), after clamping assembly centre gripping product remove it to electroplating bath (2) in through the ion exchange of electrolyte solution in electroplating bath (2) realization product electroplating.

2. The single-chip microcomputer pin tin film electroplating device according to claim 1, wherein: the frame assembly comprises a floor (1), a first fixing plate (102), a second fixing plate (103), two supporting blocks (101) and side support plates (104), wherein the two supporting blocks (101) are symmetrically and fixedly connected to the upper end of the floor (1), the first fixing plate (102) is fixedly connected to the side ends of the two supporting blocks (101), the two side support plates (104) are symmetrically and fixedly connected to the upper end of the floor (1), and the second fixing plate (103) is fixedly connected to the side ends of the two side support plates (104).

3. The single-chip microcomputer pin tin film electroplating device according to claim 2, wherein: the clamping assembly comprises a U-shaped clamping plate (701), a driving gear (705), a driven gear, a wire connecting block (706), a fourth motor (7), two gears (702), racks (703) and a clamping block (704), wherein the U-shaped clamping plate (701) is arranged on the upper side of a plating bath (2), the two gears (702) are respectively connected to the two side walls of the U-shaped clamping plate (701) through rotation of a rotating shaft, the two racks (703) are slidably connected in the U-shaped clamping plate (701), the two racks (703) are respectively connected with the gears (702) in a meshing manner, the two clamping blocks (704) are respectively and fixedly connected to the bottom ends of the racks (703), the driving gear (705) and the driven gear are respectively connected in a meshing manner with the two racks (703), the driving gear (705) and the driven gear are respectively connected in a meshing manner, the fourth motor (7) is fixedly connected to the side ends of the U-shaped clamping plate (701), and the output end of the U-shaped clamping plate (701) is movably connected to the inner wall of the U-shaped clamping plate (705) through rotation shaft, and the driving gear is fixedly connected with the rotating shaft (705).

4. A single chip microcomputer pin tin film electroplating device according to claim 3, wherein: the vertical slip subassembly includes first motor (4), first screw rod (403), first screw thread piece (404) and a plurality of first slider (402), first motor (4) fixed connection is in the side of second fixed plate (103), and the output activity of first motor (4) runs through the side of second fixed plate (103), first screw thread piece (404) fixed connection is in the bottom of slip box (105), first screw rod (403) swivelling joint is in the end that is close to mutually of first fixed plate (102) and second fixed plate (103), the output fixed connection of first screw rod (403) and first motor (4), and first screw thread piece (404) and first screw rod (403) threaded connection, and two first slide bars (401) all fixed connection are in the side that is close to mutually of second fixed plate (103) and first fixed plate (102), a plurality of first slider (402) symmetry fixed connection are in the bottom of slip box (105), and a plurality of first slider (402) sliding connection are in two circumference (402) respectively.

5. The single-chip microcomputer pin tin film electroplating device according to claim 4, wherein: two the end that is close to mutually of side branch board (104) is through horizontal slip subassembly sliding connection two sliding plate (3), two the end fixedly connected with two connecting plates (301) that are close to mutually of sliding plate (3), two the end fixedly connected with two diaphragm (303) that are close to mutually of sliding plate (3), two the end fixedly connected with vertical screw plate (304) that are close to mutually of diaphragm (303).

6. The single-chip microcomputer pin tin film electroplating device according to claim 5, wherein: the horizontal sliding assembly comprises a second motor (5), a second screw rod (502) and two second sliding rods (501), wherein the two second sliding rods (501) are fixedly connected to the adjacent ends of the two side support plates (104), the two sliding plates (3) are slidably connected to the circumferential surfaces of the two second sliding rods (501), the second screw rod (502) is rotatably connected to the adjacent ends of the two side support plates (104), the second screw rod (502) is in threaded connection with the vertical screw plate (304), the second motor (5) is fixedly connected to the side end of one side support plate (104), and the output end of the second motor (5) movably penetrates through the side end of the side support plate (104) and is fixedly connected with the second screw rod (502).

7. The single chip microcomputer pin tin film electroplating device according to claim 6, wherein: be equipped with vertical slip subassembly between two connecting plate (301), vertical slip subassembly includes third motor (6), third screw rod (602), two third slide bars (601) and vertical slide (603), two equal fixed connection of third slide bar (601) is in the end that is close to mutually of two connecting plates (301), third screw rod (602) rotate and connect in the end that is close to mutually of two connecting plates (301), third motor (6) fixed connection is in the upper end of connecting plate (301) that is located the upside, and the output activity of third motor (6) runs through the lower extreme of connecting plate (301) and with third screw rod (602) fixed connection, two equal sliding connection of vertical slide (603) are in the circumference surface of two third slide bars (601), and be located vertical slide (603) and third screw rod (602) threaded connection of upside, two equal fixed connection of vertical slide (603) are in the side of U type splint (701).

8. The single chip microcomputer pin tin film electroplating device according to claim 7, wherein: the first motor (4), the second motor (5), the third motor (6), the fourth motor (7) and the direct current rectifier (204) are controlled to run through the PLC control system, and the first motor (4), the second motor (5), the third motor (6), the fourth motor (7) and the direct current rectifier (204) are electrically connected with an external power supply.