CN220907702U

CN220907702U - Electroplating clamp

Info

Publication number: CN220907702U
Application number: CN202322520910.XU
Authority: CN
Inventors: 周锋; 周建林; 黄青
Original assignee: Shanghai Zhongxin Hardware Manufacture Co ltd
Current assignee: Shanghai Zhongxin Hardware Manufacture Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-05-07
Anticipated expiration: 2033-09-15

Abstract

The application discloses an electroplating clamp, which comprises a frame body and a fixing clamp, wherein the fixing clamp comprises an upper clamping plate, a lower clamping plate and an adjusting assembly, the upper clamping plate is connected with the lower clamping plate through the adjusting assembly, the lower clamping plate is arranged on the frame body, a first clamping block is arranged on the lower surface of the upper clamping plate, a second clamping block is arranged on the upper surface of the lower clamping plate, and the first clamping block and the second clamping block are used for jointly clamping a PCB (printed circuit board); the adjusting component comprises a rotating piece, an elastic piece, a screw rod and a screw sleeve, wherein the rotating piece is rotationally connected with the elastic piece, the elastic piece is connected with the screw rod, the screw rod is connected with the screw sleeve, the rotating piece is connected with the lower surface of the upper clamping plate, and the screw sleeve is connected with the upper surface of the lower clamping plate. The application has the effect of reducing the occurrence of cracking of the PCB in the electroplating process.

Description

Electroplating clamp

Technical Field

The application relates to the field of electroplating, in particular to an electroplating clamp.

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 elastic clamping mode is a common mode of electroplating clamps. The PCB board is one of the plating parts, and when the PCB board is electroplated, the PCB board needs to be clamped by an electroplating clamp.

However, the thickness dimensions of different PCBs are different, such that there are differences in the thickness dimensions of the PCBs. Because the PCB board is mostly the potsherd, the thickness size when the PCB board is bigger makes the clamp of electroplating appear the clamping force too big easily to probably lead to the cracked condition of PCB board appearance in the in-process of electroplating.

Disclosure of utility model

In order to reduce the occurrence of cracking of a PCB in the electroplating process, the application provides an electroplating clamp.

The application provides an electroplating clamp which adopts the following technical scheme:

The electroplating clamp comprises a frame body and a fixing clamp, wherein the fixing clamp comprises an upper clamping plate, a lower clamping plate and an adjusting assembly, the upper clamping plate is connected with the lower clamping plate through the adjusting assembly, the lower clamping plate is arranged on the frame body, a first clamping block is arranged on the lower surface of the upper clamping plate, a second clamping block is arranged on the upper surface of the lower clamping plate, and the first clamping block and the second clamping block are used for clamping a PCB together; the adjusting component comprises a rotating piece, an elastic piece, a screw rod and a threaded sleeve, wherein the rotating piece is connected with the elastic piece in a rotating mode, the elastic piece is connected with the screw rod, the screw rod is connected with the threaded sleeve, the rotating piece is connected with the lower surface of the upper clamping plate, and the threaded sleeve is connected with the upper surface of the lower clamping plate.

Through adopting above-mentioned technical scheme, when the PCB board of different thickness of needs centre gripping, through the positional relationship between rotation screw rod and the swivel nut, make the interval between punch holder and the lower plate change to make the interval of first clamp splice and second clamp splice along with the change, be favorable to the guarantee elastic component to the clamping force of PCB board keep suitable dynamics, so that reduce the cracked condition of PCB board appearance at electroplating's in-process.

Meanwhile, when the screw rotates, the elastic piece is beneficial to reducing the deformation of the elastic piece along with the rotation of the screw by arranging the rotating piece.

Optionally, three adjusting components are provided, and connecting lines between the three adjusting components form an equilateral triangle.

Through adopting above-mentioned technical scheme, form equilateral triangle's positional relationship through three adjusting part, be favorable to playing comparatively stable supporting role to the punch holder to be favorable to reducing when first clamp splice and second clamp splice keep away from each other and make the condition that the punch holder easily appears rocking.

Optionally, a gear is arranged on the peripheral wall of the upper part of the screw, and the three gears are meshed with each other.

Through adopting above-mentioned technical scheme, through setting up the gear, make three screw rods can rotate simultaneously and lift up the punch holder, be favorable to reducing the loaded down with trivial details nature that the user need operate a plurality of screw rods to the user goes to use adjusting part.

Optionally, a holding part is arranged in the middle of the screw.

By adopting the technical scheme, the holding part is convenient for the hand of the user to apply force, which is beneficial for the user to operate the screw rod.

Optionally, the rotating member is a rotating shaft.

Through adopting above-mentioned technical scheme, the rotation piece is the pivot, and pivot convenient to use person realizes pivoted installation between with elastic component and the punch holder.

Optionally, the lower surface of the first clamping block and the upper surface of the second clamping block are both provided with conductive rubber layers.

Through adopting above-mentioned technical scheme, when conducting rubber layer made first clamp splice and second clamp splice centre gripping PCB board jointly, reduce the surface of first clamp splice and the surface of second clamp splice and scratch the PCB board, be favorable to further protecting the PCB board.

Optionally, the side walls of the first clamping block and the second clamping block are respectively provided with a clamping piece

Through adopting above-mentioned technical scheme, when electroplating, through setting up the holder, make the transfer chain can the centre gripping respectively at first clamp splice and second clamp splice to the transfer chain is connected with the PCB board electricity.

Optionally, the upper clamping plate includes horizontal part and tilting portion, the horizontal part is equipped with two, two connect through tilting portion between the horizontal part, tilting portion slope downward setting, just tilting portion slope's direction orientation is close to first clamp splice.

Through adopting above-mentioned technical scheme, through the tilting part, make the focus of the junction between two horizontal parts have the skew, when the punch holder was opened, the punch holder can be easily drawn close downwards because of the effect of gravity to first clamp splice and second clamp splice centre gripping PCB board jointly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The adjusting component is arranged in the fixing clamp, so that the clamping force of the elastic piece on the PCB is kept at a proper force, and the situation that the PCB is broken in the electroplating process is reduced;

2. Through setting up the inclined part, make the focus of the junction between two horizontal parts shift, when the upper clamping plate opens, the upper clamping plate can be apt to draw close downwards because of the gravity, in order to facilitate the first clamp splice and second clamp splice to grasp the PCB board together;

3. Through setting up the gear, make three screw rods can rotate simultaneously and lift up the punch holder, be favorable to reducing the loaded down with trivial details nature that the user need operate a plurality of screw rods to the user goes to use adjusting part.

Drawings

Fig. 1 is a schematic diagram of the overall structure of embodiment 1.

Fig. 2 is a schematic diagram of the overall structure of embodiment 2.

Reference numerals illustrate:

1. A frame body; 11. a connecting plate; 12. a connecting rod; 2. a fixing clamp; 21. an upper clamping plate; 211. a horizontal portion; 212. an inclined portion; 22. a lower clamping plate; 23. an adjustment assembly; 231. a rotating member; 232. an elastic member; 233. a screw; 2331. a grip portion; 234. a screw sleeve; 24. a first clamping block; 25. a second clamping block; 26. a conductive rubber layer; 27. a clamping member; 3. a gear.

Detailed Description

The application is described in further detail below with reference to fig. 1-2.

Example 1

The embodiment of the application discloses an electroplating clamp. Referring to fig. 1, the plating jig includes a frame body 1 and a fixing jig 2, the frame body 1 includes a connection plate 11 and connection rods 12, the connection rods 12 are provided with two, one end of each connection rod 12 is connected with the connection plate 11, the other end of each connection rod 12 is connected with the fixing jig 2, and the fixing jig 2 is used for clamping a PCB board.

The mounting fixture 2 includes punch holder 21, lower plate 22 and adjusting part 23, and punch holder 21 and lower plate 22 can be light material such as wood system or plastics, and punch holder 21 passes through adjusting part 23 with lower plate 22 to be connected, and lower plate 22 is connected with connecting rod 12, and the lower surface of punch holder 21 is equipped with first clamp splice 24, and the upper surface of lower plate 22 is equipped with second clamp splice 25, and first clamp splice 24 and second clamp splice 25 are made for electrically conductive metal, can be iron, aluminium etc. first clamp splice 24 and second clamp splice 25 are used for the centre gripping PCB board jointly.

The upper clamping plate 21 includes horizontal portions 211 and inclined portions 212, the horizontal portions 211 are provided in two, the two horizontal portions 211 are connected by the inclined portions 212, the inclined portions 212 are arranged obliquely downward, and the inclined portions 212 are inclined in a direction toward the first clamping block 24.

By providing the inclined portion 212 between the two horizontal portions 211, there is an offset in the center of gravity of the connection portion between the two horizontal portions 211, and when the upper clamping plate 21 is opened, the upper clamping plate 21 tends to be drawn downward due to the effect of gravity, so that the first clamping block 24 and the second clamping block 25 clamp the PCB together.

The lower surface of first clamp splice 24 and the upper surface of second clamp splice 25 all are equipped with conductive rubber layer 26, and conductive rubber layer 26 reduces the surface of first clamp splice 24 and the surface of second clamp splice 25 and scratch the PCB board, are favorable to further protecting the PCB board.

The side wall of the first clamping block 24 and the side wall of the second clamping block 25 are respectively provided with a clamping piece 27, the clamping pieces 27 are clamps made of steel, and the clamping pieces 27 are arranged so that the conveying line is electrically connected with the PCB.

The adjusting component 23 comprises a rotating member 231, an elastic member 232, a screw 233 and a screw sleeve 234, wherein the rotating member 231 is a rotating shaft, the elastic member 232 is a spring, the rotating member 231 is rotationally connected with the elastic member 232, the elastic member 232 is connected with the screw 233, the screw 233 is connected with the screw sleeve 234, the rotating member 231 is connected with the lower surface of the upper clamping plate 21, and the screw sleeve 234 is connected with the upper surface of the lower clamping plate 22.

The implementation principle of the electroplating clamp provided by the embodiment of the application is as follows: when the thicker PCB needs to be clamped, the screw 233 is far away from the screw sleeve 234 by using the adjusting component 23, the distance between the upper clamping plate 21 and the lower clamping plate 22 is increased, a gap is reserved between the first clamping block 24 and the second clamping block 25, and the clamping force of the elastic piece 232 on the PCB is kept at a proper force, so that the situation that the PCB is cracked in the electroplating process is reduced.

When the thinner PCB needs to be clamped, the screw 233 is close to the screw sleeve 234 by using the adjusting component 23, the distance between the upper clamping plate 21 and the lower clamping plate 22 is reduced, the first clamping block 24 and the second clamping block 25 are close to each other, and the elastic piece 232 is beneficial to guaranteeing that the elastic piece 232 clamps the PCB, so that the loosening of the PCB in the electroplating process is reduced.

Example 2

Referring to fig. 2, this embodiment is different from embodiment 1 in that: the adjusting components 23 are three, the connecting lines between the three adjusting components 23 form an equilateral triangle, the peripheral wall of the upper part of the screw 233 is welded with the gears 3, the three gears 3 are meshed with each other, the middle part of the screw 233 is provided with a holding part 2331, the holding part 2331 is disc-shaped, the holding part 2331 is provided with a plurality of gaps, and the gaps are arranged around the circumference of the holding part 2331 in an array.

The three adjusting components 23 form an equilateral triangle positional relationship, which is beneficial to ensuring the stability of the positional relationship between the upper clamping plate 21 and the lower clamping plate 22.

To facilitate the synchronous operation of the three adjustment assemblies 23, three mutually cooperating gears 3 are provided. In operation, the screw 233 and the screw sleeve 234 are adjusted by rotating the holding part 2331, and the remaining two screws 233 are guaranteed to ascend or descend by the transmission action between the gears 3.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. An electroplating clamp, which is characterized in that: the fixing clamp comprises a frame body (1) and a fixing clamp (2), wherein the fixing clamp (2) comprises an upper clamping plate (21), a lower clamping plate (22) and an adjusting assembly (23), the upper clamping plate (21) is connected with the lower clamping plate (22) through the adjusting assembly (23), the lower clamping plate (22) is installed on the frame body (1), a first clamping block (24) is arranged on the lower surface of the upper clamping plate (21), a second clamping block (25) is arranged on the upper surface of the lower clamping plate (22), and the first clamping block (24) and the second clamping block (25) are used for clamping a PCB together; the adjusting component (23) comprises a rotating piece (231), an elastic piece (232), a screw (233) and a screw sleeve (234), wherein the rotating piece (231) is rotationally connected with the elastic piece (232), the elastic piece (232) is connected with the screw (233), the screw (233) is connected with the screw sleeve (234), the rotating piece (231) is connected with the lower surface of the upper clamping plate (21), and the screw sleeve (234) is connected with the upper surface of the lower clamping plate (22).

2. An electroplating clamp according to claim 1, wherein: the three adjusting components (23) are arranged, and connecting lines among the three adjusting components (23) form an equilateral triangle.

3. An electroplating clamp according to claim 2, wherein: the peripheral wall at the upper part of the screw (233) is provided with gears (3), and the three gears (3) are meshed with each other.

4. A plating jig according to claim 3, wherein: the middle part of the screw rod (233) is provided with a holding part (2331).

5. An electroplating clamp according to claim 1, wherein: the rotating piece (231) is a rotating shaft.

6. An electroplating clamp according to claim 1, wherein: the lower surface of the first clamping block (24) and the upper surface of the second clamping block (25) are respectively provided with a conductive rubber layer (26).

7. An electroplating clamp according to claim 6, wherein: the side walls of the first clamping block (24) and the second clamping block (25) are respectively provided with a clamping piece (27).

8. An electroplating clamp according to claim 1, wherein: the upper clamping plate (21) comprises horizontal portions (211) and inclined portions (212), the horizontal portions (211) are two, the two horizontal portions (211) are connected through the inclined portions (212), the inclined portions (212) are obliquely downwards arranged, and the inclined portions (212) are obliquely oriented to be close to the first clamping blocks (24).