CN211394686U

CN211394686U - PCB clamping device and gantry electroplating equipment with same

Info

Publication number: CN211394686U
Application number: CN202020123124.XU
Authority: CN
Inventors: 张立琦
Original assignee: YUXIN TECHNOLOGY (SUZHOU) CO LTD
Current assignee: YUXIN TECHNOLOGY (SUZHOU) CO LTD
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-09-01
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a PCB board clamping device and have its longmen electroplating device, PCB board clamping device includes support and the anchor clamps that set up in pairs, the support includes first crossbeam and the second crossbeam that sets up relatively from top to bottom along vertical direction and connects the support column of first crossbeam and second crossbeam, one of them person to every anchor clamps locates on the first crossbeam and is connected with first crossbeam electricity, wherein another one to every anchor clamps locates on the second crossbeam and is connected with the second crossbeam electricity, and every relative setting each other of anchor clamps orientation, the one end that the support was kept away from to anchor clamps has electrically conductive point. Compared with the prior art, the utility model discloses not only can be to the both ends circular telegram of PCB board to improve the copper-plated homogeneity of PCB board, improve the product quality, can avoid thin PCB board to receive the influence of plating bath and crooked when anchor clamps up-and-down motion in the plating solution moreover.

Description

PCB clamping device and gantry electroplating equipment with same

Technical Field

The utility model relates to a PCB electroplates production technical field, especially relates to a PCB board clamping device and has its longmen electroplating device.

Background

In the field of printed circuit board fabrication, copper is plated on a PCB by immersing the PCB in an electroplating solution, with the PCB acting as a cathode and the electroplating bath acting as an anode after power is applied.

At present, the PCB is developed to be light, thin, high-density lines and line pitches, and in order to produce a copper-plated thin plate, the upper end of the PCB is usually fixed on a hanger, the hanger is moved up and down and immersed in an electroplating solution, the PCB is electrified by a clamp to be used as a cathode, and the electroplating solution is used as an anode, so that copper is plated on the PCB.

However, because only the upper end of the PCB is connected with the clamp and powered on, and the lower end is a free end, the voltage difference between the end of the PCB connected with the clamp and the electroplating solution is large, and the voltage difference between the end of the PCB far away from the clamp and the electroplating solution is small, so that the copper plating on the end of the PCB connected with the clamp is more, the copper plating on the end far away from the clamp is less, and the copper plating on the PCB is uneven. In addition, in the process of producing a copper-plated thin plate, since the PCB board moves up and down in the plating solution with the jig, the thin PCB board is easily bent by the plating solution, thereby causing poor quality.

Disclosure of Invention

For solving one of the above-mentioned problem at least, the utility model provides a PCB board clamping device and have its longmen electroplating line with electroplating apparatus to solve PCB board copper facing thickness inequality and thin PCB board and receive the influence of plating bath easily and crooked bad problem of quality that causes.

In order to achieve the above object, an embodiment of the present invention provides a PCB clamping device, including a bracket and a pair of clamps, the bracket includes a first beam and a second beam which are arranged along a vertical direction and are opposite to each other, and connects the first beam with a support pillar of the second beam, each pair of the clamps is provided with one of the clamps which is arranged on the first beam and is electrically connected with the first beam, each pair of the clamps is provided with another one of the clamps which is arranged on the second beam and is electrically connected with the second beam, and each pair of the clamps are arranged opposite to each other in a direction of the clamp, and the clamp is away from one end of the bracket has a conductive point.

As a further improvement of an embodiment of the present invention, the support column is an expansion member.

As a further improvement of an embodiment of the present invention, the support column includes a first rod, a second rod and a locking mechanism, the first rod is sleeved on the second rod, the locking mechanism is disposed on the second rod and locked and fixed on the first rod.

As a further improvement of an embodiment of the present invention, the fixture includes a connecting portion connected to the bracket and a clamping portion connected to the connecting portion, the clamping portion includes a fixed end connected to the connecting portion and a free end away from the connecting portion, the conductive point is located at the free end.

As a further improvement of an embodiment of the present invention, the clamping portion is a clamping jaw.

As a further improvement of an embodiment of the present invention, the first beam and the second beam are arranged in parallel, the clamp is along the length direction interval of the first beam is provided with a plurality of pairs.

As an embodiment of the utility model provides a further improvement, first crossbeam is located the top of second crossbeam, be provided with the switch on the second crossbeam, on-off control a plurality of on the second crossbeam anchor clamps are opened in step.

As an embodiment of the present invention is further improved, the supporting column is perpendicular to the first beam and the second beam, the supporting column is provided with two, two the supporting column is followed the length direction of the first beam relatively set up in the both ends of the first beam.

As a further improvement of an embodiment of the utility model, the clamp is wrapped up in outside and has the insulating glue layer.

In order to achieve one of the above objects, an embodiment of the present invention further provides an electroplating apparatus for a gantry electroplating line, which includes the above PCB clamping device.

Compared with the prior art, the beneficial effects of the utility model reside in that: through relative first crossbeam and the second crossbeam that sets up about vertical direction and set up anchor clamps on first crossbeam and second crossbeam respectively and carry out the centre gripping and circular telegram to the PCB board, not only can switch on the both ends of PCB board to improve PCB board copper-plated homogeneity, improve the product quality, can avoid thin PCB board to receive the influence of plating bath and crooked when anchor clamps up-and-down motion in the plating solution moreover.

Drawings

Fig. 1 is a front view of a PCB board holding device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamp according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a clamp according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

In the various figures of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another.

An embodiment of the utility model provides a longmen is electroplating device for electric plate wire, it includes PCB board clamping device 100 and plating bath. The electroplating bath is filled with electroplating solution, the PCB is clamped by the PCB clamping device 100, so that the PCB to be electroplated is placed in the electroplating bath and is immersed in the electroplating solution, and the PCB is electroplated by the electroplating solution in the electroplating bath.

Referring to fig. 1, a PCB clamping apparatus 100 includes a support 1 and clamps 2 arranged in pairs, the support 1 includes a first beam 11 and a second beam 12 arranged opposite to each other in a vertical direction, and a support post 13 connecting the first beam 11 and the second beam 12, one of the clamps 2 in each pair is arranged on the first beam 11 and electrically connected to the first beam 11, the other of the clamps 2 in each pair is arranged on the second beam 12 and electrically connected to the second beam 12, and the clamps 2 in each pair are arranged opposite to each other, and one end of the clamps 2 away from the support 1 has a conductive point.

Like this, on the one hand, carry out the centre gripping through 2 relative both ends of the pair of PCB board of anchor clamps that set up in pairs and fix, avoided thin PCB board at the copper facing in-process, along with support 1 gets into and leaves the in-process of plating solution and receive the pressure of plating solution and crooked, improve the quality of product, can improve the centre gripping fastness of PCB board moreover, avoid the PCB board to drop from anchor clamps 2. On the other hand, the one end that anchor clamps 2 kept away from support 1 has electrically conductive point, when the PCB board immerses in the plating solution and circular telegram, the both ends of the PCB board of centre gripping in anchor clamps 2 are respectively through anchor clamps 2 and first crossbeam 11, anchor clamps 2 and second crossbeam 12 and power intercommunication, the PCB board is as the negative pole, regard as the positive pole after the plating bath circular telegram, thereby make PCB board copper plating, because the relative both ends of PCB board circular telegram respectively, the voltage difference that makes the both ends that PCB board and anchor clamps 2 are connected is roughly the same with the plating bath, thereby the copper-plated homogeneity of PCB board has been improved, improve product quality.

Further, the first beam 11 and the second beam 12 are arranged in parallel and extend in the horizontal direction, so that each pair of clamps 2 are arranged one above the other.

Further, in the present embodiment, the first beam 11 is provided above the second beam 12, and the support column 13 is perpendicular to the first beam 11 and the second beam 12, that is, the support column 13 extends in the vertical direction. In this embodiment, two support columns 13 are provided, two support columns 13 are oppositely provided at two ends of the first beam 11 along the length direction of the first beam 11, and since the second beam 12 is parallel to the first beam 11, two support columns 13 are also oppositely provided at two ends of the second beam 12 along the length direction of the second beam 12.

Referring to fig. 1, in the present embodiment, the first beam 11, one of the two support columns 13, the second beam 12, and the other of the two support columns 13 are sequentially connected end to form the bracket 1 of the PCB board clamping device 100, and the first beam 11, the second beam 12, and the two support columns 13 are located in the same vertical plane, so that the PCB board is located in the vertical plane when being clamped in the bracket 1, and is conveniently placed in an electroplating bath for electroplating.

Furthermore, the supporting columns 13 are telescopic pieces, and the lengths of the supporting columns 13 can be adjusted according to the lengths of the PCB, so that the clamps 2 arranged in pairs can clamp two ends of the PCB, and therefore, the problem that the PCB cannot be clamped in the working process and copper plating is uneven is avoided; on the other hand, when the thin PCB is produced, the phenomenon that the PCB is bent and folded due to the influence of electroplating solution on the PCB, the quality of the PCB is influenced, or the PCB is damaged due to pulling can be avoided.

Further, the supporting column 13 includes a first rod 131, a second rod 132 and a locking mechanism 133, the first rod 131 is sleeved in the second rod 132, and the locking mechanism 133 is disposed on the second rod 132 and can lock and fix the first rod 131, so that after the length of the supporting column 13 is adjusted according to the length of the PCB to adapt to the length of the PCB, the relative positions of the first rod 131 and the second rod 132 are fixed, and the phenomenon that the first rod 131 and the second rod 132 move relatively in the working process to cause bending wrinkles on the thin PCB and affect the quality of the thin PCB is avoided, or the thin PCB is pulled to cause damage to the thin PCB.

Specifically, in the present embodiment, the first rod 131 is cylindrical or cylindrical, and the second rod 132 is cylindrical, in other embodiments, the first rod 131 and the second rod 132 may also be square or irregular, and the first rod 131 and the second rod 132 may be connected with each other in a matching manner.

Referring to fig. 2 to 3, further, the clamp 2 includes a connecting portion 21 connected to the bracket 1, and a clamping portion 22 connected to the connecting portion 21, the clamping portion 22 includes a fixed end 221 connected to the connecting portion 21, and a free end 222 far from the connecting portion 21, and the conductive point is disposed on the free end 222. Thus, it is convenient for a user to open the clamping portion 22 to clamp the PCB therein and make the conductive point contact with the PCB, so that the PCB is used as a cathode after the power is turned on, the plating bath is used as an anode, and a voltage difference exists between the PCB and the plating bath, thereby plating copper on the PCB.

Further, the gripping portion 22 is a jaw.

Further, anchor clamps 2 have wrapped up in outside the insulating glue layer that has, can avoid anchor clamps 2 electric leakage, cause the potential safety hazard. Wherein, the conductive point is exposed outside the insulating glue layer, so that when electrified, the PCB keeps electric communication with the clamp 2.

Referring to fig. 1, further, the plurality of pairs of the jigs 2 are arranged along the length direction of the first beam 11 at intervals, so that a plurality of PCB boards can be hung at the same time for copper plating, and the plating efficiency is improved.

Further, a switch is arranged on the second beam 12, and the switch controls the plurality of clamps 2 on the second beam 12 to be opened synchronously, so that the workload of a user can be reduced, the operation procedure can be shortened, and the work efficiency can be further improved.

To sum up, the beneficial effects of the utility model reside in that: the utility model discloses a PCB board clamping device 100 and have its longmen electroplating device, carry out the centre gripping through 2 pairs of relative both ends of PCB board of anchor clamps that set up in pairs and fix, avoided thin PCB board in the copper facing process, along with support 1 get into and leave the process of plating solution and receive the pressure of plating solution and bend, improve the quality of product, can improve the centre gripping fastness of PCB board moreover, avoid PCB board to drop from anchor clamps 2, and then improve the copper facing homogeneity; one end of the clamp 2, which is far away from the bracket 1, is provided with a conductive point, when the PCB is immersed in the electroplating solution and is electrified, two ends of the PCB clamped in the clamp 2 are respectively communicated with a power supply through the clamp 2 and the first beam 11, the clamp 2 and the second beam 12, the PCB is used as a cathode, and the electroplating bath is used as an anode, so that the PCB is plated with copper; the supporting columns 13 are telescopic pieces, and the length of the supporting columns 13 can be adjusted according to the length of the PCB, so that the clamps 2 arranged in pairs can clamp two ends of the PCB, and the thin PCB is prevented from being bent and folded to influence the quality of the thin PCB or being damaged by pulling the thin PCB; the switches arranged on the pairs of clamps 2 and the second beam 12 can improve the electroplating efficiency, reduce the workload of a user and shorten the operation procedures.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The detailed description set forth above is only a specific description of the feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. The PCB clamping device is characterized by comprising a support and clamps arranged in pairs, wherein the support comprises a first cross beam and a second cross beam which are oppositely arranged up and down along the vertical direction, and a supporting column for connecting the first cross beam with the second cross beam, one of the clamps in each pair is arranged on the first cross beam and is electrically connected with the first cross beam, the other clamp in each pair is arranged on the second cross beam and is electrically connected with the second cross beam, the clamps in each pair are oppositely arranged towards each other, and one end, far away from the support, of each clamp is provided with a conducting point.

2. The PCB board clamping device of claim 1, wherein the support posts are telescoping members.

3. The PCB clamping apparatus of claim 2, wherein the supporting post comprises a first rod, a second rod, and a locking mechanism, the first rod is sleeved in the second rod, and the locking mechanism is disposed on the second rod and locks and fixes the first rod.

4. The PCB board clamping device according to claim 1, wherein the clamp comprises a connecting portion connected to the bracket and a clamping portion connected to the connecting portion, the clamping portion comprises a fixed end connected to the connecting portion and a free end far away from the connecting portion, and the conductive point is disposed at the free end.

5. The PCB board clamping device of claim 4, wherein the clamping portion is a clamping jaw.

6. The PCB board clamping device according to claim 1, wherein the first beam and the second beam are arranged in parallel, and the clamps are arranged in pairs at intervals along a length direction of the first beam.

7. The PCB board clamping device of claim 6, wherein the first beam is arranged above the second beam, and a switch is arranged on the second beam and controls a plurality of clamps on the second beam to be opened synchronously.

8. The PCB board clamping device of claim 6, wherein the supporting columns are perpendicular to the first beam and the second beam, two supporting columns are arranged, and the two supporting columns are oppositely arranged at two ends of the first beam along the length direction of the first beam.

9. The PCB board clamping device of claim 1, wherein the clamp is wrapped with an insulating glue layer.

10. An electroplating apparatus for a gantry electroplating line, comprising the PCB board holding apparatus according to any one of claims 1 to 9.