Electroplating fixing device for ultrathin HDI circuit board

Abstract

An electroplating fixing device of an ultrathin HDI circuit board comprises a limiting frame, a conductive piece and a clamp set, the conductive piece and the clamp set are both arranged on the limiting frame, the conductive piece is in electric contact with a conductive block, and the clamp set is arranged at the bottommost end of the limiting frame; the limiting frame comprises two mounting parts, two extending parts and a connecting part, the connecting part is connected to the two mounting parts, and the extending parts are arranged on the bottom surfaces of the mounting parts; the two mounting parts are arranged in pairs, the connecting part is made of an insulating material, and the connecting part and the mounting parts on the two sides are integrally formed; a mounting hole and a fixing hole are formed in the mounting part, the fixing hole is formed below the mounting hole, a positioning piece is arranged in the mounting hole, and the conductive piece is arranged in the fixing hole; the clamp set comprises a plurality of clamps which are arranged at the bottom end of the extending part side by side and extend downwards out of the extending part. According to the utility model, the clamping and feeding time is shortened, and the working efficiency is improved; the practicability is high, and the popularization significance is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing technical field, concretely relates to a kind of electroplating fixing device of ultra-thin HDI circuit board. BACKGROUND

[0002] PCB thin plate, also known as printed circuit board, is an important electronic component, is the support body of electronic components, and is the carrier of electrical interconnection of electronic components. With the development of the industry, the number of layers of PCB is gradually increased, and the thickness of electroplated plate is becoming thinner and thinner. When the circuit board is electroplated in a vertical electroplating mode, the circuit board is usually vertically clamped by a clamp, and then electroplated. However, due to the thin thickness of the plate, the plate will deform in the electroplating tank, resulting in poor electroplating uniformity, and even breakage and scrap. Therefore, the industry has an outer frame specially used for electroplating of ultra-thin circuit board. The outer frame is fixed on the clamp, and the thin plate is directly installed in the outer frame during installation. However, the on-line installation structure of the thin plate has the problems of long time consumption and poor work efficiency. In addition, the top of the traditional electroplating clamp is directly connected to the power supply by a wire, which is not convenient to disassemble and assemble. SUMMARY

[0003] Therefore, the purpose of the utility model is to provide an electroplating fixing device for ultra-thin HDI circuit board to solve the problems in the background art.

[0004] An electroplating fixing device for ultra-thin HDI circuit board includes a limiting frame, a conductive part and a clamp group. The conductive part and the clamp group are both installed on the limiting frame, and the conductive part is in electrical contact with the conductive block. The clamp group is arranged at the bottom end of the limiting frame. The limiting frame includes two installation parts, two extension parts and a connecting part. The connecting part is connected to the two installation parts, and the extension part is arranged on the bottom surface of the installation part. The two installation parts are arranged opposite to each other. The connecting part is made of insulating material and is integrally formed with the two installation parts. The installation part is provided with a mounting hole and a fixing hole. The fixing hole is arranged below the mounting hole. A positioning piece is installed in the mounting hole, and the conductive part is installed in the fixing hole. The clamp group includes a plurality of clamps, which are arranged side by side at the bottom end of the extension part and extend downward out of the extension part.

[0005] Further, the positioning piece includes a positioning wheel, a telescopic spring, a mounting shaft and a fixed nut. The mounting shaft is arranged in the mounting hole. The positioning wheel is arranged at the inner side end of the mounting shaft. The telescopic spring is sleeved on the mounting shaft between the vertical plate and the positioning wheel. The fixed nut is screwed on the mounting shaft outside the vertical plate.

[0006] Further, the conductive piece comprises an outer limiting head, a limiting shaft, a conductive head and a compression spring, the limiting head and the conductive head are respectively arranged at two ends of the limiting shaft, the limiting head is arranged at the outer side of the vertical plate, and the conductive head is arranged at the inner side of the vertical plate; the compression spring is sleeved on the limiting shaft between the conductive head and the vertical plate.

[0007] Further, the clamp comprises a fixed clamping part and a movable clamping part arranged oppositely, the fixed clamping part is arranged on the outer side of the connecting part, the middle part of the movable clamping part is pivotally connected to the fixed clamping part and can rotate to clamp or release; the tail end of the movable clamping part is provided with a spring connected to the fixed clamping part.

[0008] Further, the inner surface of the bottom end of the movable clamping part is provided with an embedding part, the inner side of the bottom of the fixed clamping part is provided with a groove, and the embedding part is clamped in the groove.

[0009] Further, a detachable positioning frame is further included, a plurality of positioning holes are arranged on the top of the positioning frame, the embedding part of the movable clamping part is arranged in the positioning hole and embedded in the corresponding groove.

[0010] Further, the mounting part comprises a vertical plate and a horizontal plate, the outer side end of the horizontal plate is connected to the bottom end of the vertical plate, and the connecting part is connected to the inner side end of the two horizontal plates.

[0011] In summary, the detachable positioning frame is arranged, so that the ultra-thin circuit board can be arranged in the positioning frame in advance during non-installation time, and then the positioning frame is clamped on the clamp, thereby reducing the clamping feeding time and improving the work efficiency. The detachable limiting frame is arranged, so that the fixing device can be stably mounted on the guide rail according to the requirement, and the movable connection between the conductive piece and the conductive block can not only realize stable electrical connection, but also is not easy to be affected by shaking and deviation. In addition, two groups of circuit boards can be arranged on the same fixing device at the same time, thereby improving the work efficiency. The utility model has strong practicability and strong popularization significance. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 A structure schematic view of the electroplating fixing device of the ultra-thin HDI circuit board is provided.

[0013] Figure 2 A structure schematic view of the electroplating fixing device of the ultra-thin HDI circuit board is provided. Figure 1 A structure schematic view of the electroplating fixing device of the ultra-thin HDI circuit board is provided.

[0014] Figure 3 A structure schematic view of the electroplating fixing device of the ultra-thin HDI circuit board is provided. Figure 1 A structure schematic view of the electroplating fixing device of the ultra-thin HDI circuit board is provided. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples.

[0016] As Figures 1 to 3 shown, the utility model provides a kind of electroplating fixing device of ultra-thin HDI circuit board, it is installed on guide rail 10, the guide rail 10 is arranged in I shape, it includes top plate 11, bottom plate 12 and connecting plate 13 connected to top plate 11 and bottom plate 12, the both sides of the connecting plate 13 are provided with conductive block 14.The electroplating fixing device of ultra-thin HDI circuit board includes limiting frame 20, conducting part 30 and clamp group 40, the conducting part 30 and clamp group 40 are installed on limiting frame 20, and conducting part 30 is electrically contacted with conductive block 14, clamp group 40 is arranged at the bottom end of limiting frame 20, and the upper end of the positioning frame 50 of circuit board 100 is detachably installed on clamp group 40.

[0017] The limiting frame 20 includes two installation parts 21, two extension parts 22 and connecting part 23, the connecting part 23 is connected to two installation parts 21, and the extension part 22 is arranged on the bottom surface of installation part 21.In the embodiment, the installation part 21 includes vertical plate 211 and horizontal plate 212, and the outer side end of horizontal plate 212 is connected to the bottom end of vertical plate 211.Two installation parts 21 are arranged oppositely, the connecting part 23 is made of insulating material, and is integrally formed with two installation parts 21.The installation part 21 is installed on the side surface of guide rail 10, and the top of installation part 21 extends out of the top end of guide rail 10, and the installation hole is arranged on the installation part 21, and the positioning member 60 is installed in the installation hole.

[0018] The positioning member 60 includes positioning wheel 61, telescopic spring 62, mounting shaft 63 and fixed nut 64, the mounting shaft 63 is arranged in the installation hole, the positioning wheel 61 is arranged on the inner side end of mounting shaft 63, the telescopic spring 62 is sleeved on the mounting shaft 63 between vertical plate 211 and positioning wheel 61, and the fixed nut 64 is screwed on the mounting shaft 63 outside vertical plate 211.In use, the positioning member 60 is installed, and the position of positioning wheel 61 is adjusted by adjusting the position of fixed nut 64 on mounting shaft 63.

[0019] The vertical plate 211 is further provided with a fixing hole below the mounting hole, and a conductive part 30 is arranged in the fixing hole. The conductive part 30 comprises an outer limiting head 31, a limiting shaft 32, a conductive head 33 and a compression spring 34. The limiting head 31 and the conductive head 33 are arranged at two ends of the limiting shaft 32 respectively. The limiting head 31 is arranged at the outer side of the vertical plate 211, and the conductive head 33 is arranged at the inner side of the vertical plate 211. The compression spring 34 is sleeved on the limiting shaft 32 between the conductive head 33 and the vertical plate 211. The compression spring 34 is always in a compressed state, so that when the position deviates, the compression spring 34 can push the conductive head 33 inward, so that the conductive head 33 is always in contact with the conductive block 14.

[0020] The clamp group 40 comprises a plurality of clamps 41 arranged side by side at the bottom end of the extension part 22 and extending out of the extension part 22. The clamp 41 comprises a fixed clamping part 411 and a movable clamping part 412 arranged oppositely. The fixed clamping part 411 is arranged on the outer side of the connecting part 23, and the movable clamping part 412 is pivotally connected to the fixed clamping part 411 and can rotate to clamp or release. The tail end of the movable clamping part 412 is provided with a spring 413 in a compressed state. In use, the tail end of the movable clamping part 412 is pressed to further compress the spring 413, so that the bottom end of the movable clamping part 412 is lifted to facilitate the installation of the positioning frame 50. After installation, the movable clamping part 412 is released, and under the elastic force of the spring 413, the movable clamping part 412 clamps the positioning frame 50 on the fixed clamping part 411.

[0021] In addition, the inner surface of the bottom end of the movable clamping part 412 is provided with an embedded part 4121, the inner side of the bottom of the fixed clamping part 411 is provided with a groove 4111, and the embedded part 4121 is clamped in the groove 4111. The top of the positioning frame 50 is provided with a plurality of positioning holes 51, and the embedded part 4121 of the movable clamping part 412 is arranged in the positioning hole 51 and embedded in the corresponding groove 4111. Therefore, the clamping of the two is more stable and not easy to loosen. In the embodiment, the clamp 41 is a conductive clamp, the mounting part 21 and the extension part 22 are made of conductive material, and the clamp 41 is electrically connected with the conductive part 30 through the mounting part 21 and the extension part 22.

[0022] In summary, the utility model discloses through set up detachable positioning frame 50, make in installation, can utilize non installation time in advance with ultra -thin circuit board is installed in positioning frame 50, positioning frame 50 is clamped on the fixture again after, reduce the time of clamping feeding, improve work efficiency.Through set up detachable limit 20, make the fixed device can be firmly installed on the guide rail according to demand, and the movable connection between its conducting part 30 and conducting block 14, not only can realize stable electric connection, not easy to be affected by the sway deviation. And when needing to maintain conducting clamp, can very conveniently carry out dismounting and replacement. In addition, the same fixed device can install two groups of circuit boards simultaneously, improve work efficiency. The utility model has strong practicality, has strong popularization significance.

[0023] The above-mentioned embodiment only expresses one embodiment of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. An electroplating fixture for ultra-thin HDI circuit boards, characterized by: The utility model provides a kind of electrically conductive piece and clamp group are equipped on the limiting frame, and electrically conductive piece is electrically contacted with electrically conductive block, and clamp group is arranged at the bottom end of limiting frame;The limiting frame includes two installation parts, two extension parts and connecting part, the connecting part is connected to two installation parts, and the extension part is arranged on the bottom surface of installation part;Two installation parts are oppositely arranged, the connecting part is made of insulating material, and is integrally formed with two installation parts on the side;Installation hole and fixed hole are provided on installation part, the fixed hole is arranged below installation hole, the positioning member is arranged in installation hole, and the electrically conductive piece is arranged in fixed hole;The clamp group includes a plurality of clamps, and the plurality of clamps are arranged side by side at the bottom end of the extension part and extend downward out of the extension part.

2. The electroplating fixture for ultra-thin HDI circuit board of claim 1, wherein: The positioning member includes a positioning wheel, a telescopic spring, a mounting shaft and a fixed nut, the mounting shaft is arranged in the mounting hole, the positioning wheel is arranged at the inner side end of the mounting shaft, the telescopic spring is sleeved on the mounting shaft between the vertical plate and the positioning wheel, and the fixed nut is screwed on the mounting shaft outside the vertical plate.

3. The electroplating fixture for ultra-thin HDI circuit board of claim 1, wherein: The electrically conductive piece includes an outer limiting head, a limiting shaft, an electrically conductive head and a compression spring, the limiting head and the electrically conductive head are arranged at two ends of the limiting shaft respectively, and the limiting head is arranged outside the vertical plate, and the electrically conductive head is arranged inside the vertical plate;The compression spring is sleeved on the limiting shaft between the electrically conductive head and the vertical plate.

4. The electroplating fixture for ultra-thin HDI circuit board of claim 1, wherein: The clamp includes a fixed clamping part and a movable clamping part arranged oppositely, the fixed clamping part is arranged on the outer side surface of the connecting part, and the movable clamping part is pivotally connected to the fixed clamping part at the middle part and can be rotated to clamp or release;The tail end of the movable clamping part is provided with a spring connected to the fixed clamping part.

5. The electroplating fixture for ultra-thin HDI circuit board of claim 4, wherein: The bottom end inner surface of the movable clamping part is provided with an embedded part, the bottom inner side end of the fixed clamping part is provided with a groove, and the embedded part is clamped in the groove.

6. The electroplating fixture for ultra-thin HDI circuit board of claim 5, wherein: It also includes a detachable positioning frame, the top of the positioning frame is provided with a plurality of positioning holes, the embedded part of the movable clamping part is arranged in the positioning hole and embedded in the corresponding groove.

7. The electroplating fixture for ultra-thin HDI circuit board of claim 1, wherein: The installation part includes a vertical plate and a horizontal plate, the outer side end of the horizontal plate is connected to the bottom end of the vertical plate, and the connecting part is connected to the inner side end of the two horizontal plates.

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