CN218071958U

CN218071958U - Special fixture for PCB etching

Info

Publication number: CN218071958U
Application number: CN202220849365.1U
Authority: CN
Inventors: 李涛; 吕涛友
Original assignee: Anhui Linchi Electronic Co ltd
Current assignee: Anhui Linchi Electronic Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-12-16
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a PCB board etching special fixture for the hoist and mount etching of PCB board, including four stoppers, beam pole and two sets of slide bars, four stoppers act on the four corners department of PCB board and fix the PCB board, set up the spacing groove on the stopper, this spacing inslot has the right angle inner wall, and when the PCB board card goes into the spacing groove, the right angle limit of PCB board hugs closely on the right angle inner wall of spacing groove, the front and back end of stopper is threaded connection fixing needle respectively, the dirt end of fixing needle is located the spacing groove and is used for spacing the terminal surface of PCB board; the slide bar is including erecting slide bar and horizontal bar, two erect slide bar parallel arrangement and perpendicular fixed mounting on the beam pole, two horizontal bar parallel arrangement and slidable mounting are two erect between the slide bar, the stopper with horizontal bar sliding connection slides on the horizontal bar and is provided with two stoppers, horizontal bar and erect between the slide bar erect the slide bar with all be provided with the retaining member between the stopper.

Description

Special fixture for PCB etching

Technical Field

The utility model relates to an anchor clamps field specifically is a PCB board etching special fixture.

Background

The PCB is called a Printed Circuit Board (PCB) and is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Because it is made by electronic printing technique, so it is called "printed" circuit board, electroplating is a process of plating a thin layer of other metal or alloy on some metal surface by utilizing electrolysis principle, and is a process of making metal or other material product surface adhere a layer of metal film by utilizing electrolysis action so as to prevent metal oxidation (such as corrosion), raise wear resistance, conductivity, reflection property and corrosion resistance (copper sulfate, etc.) and raise beautiful appearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB board etching special fixture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a special clamp for PCB etching is used for lifting and etching a PCB and comprises four limit blocks, a beam rod and two groups of sliding rods, wherein the four limit blocks act on four corners of the PCB and fix the PCB;

the slide bar is including erecting slide bar and sideslip pole, two erect slide bar parallel arrangement and perpendicular fixed mounting on the roof beam pole, two sideslip pole parallel arrangement and slidable mounting are two erect between the slide bar, the stopper with sideslip pole sliding connection slides on a sideslip pole and is provided with two stoppers, the sideslip pole with erect between the slide bar erect the slide bar with all be provided with the retaining member between the stopper, the retaining member be used for to the sideslip pole with erect between the slide bar erect carry out the rigidity between slide bar and the stopper.

As a further aspect of the present invention: the two ends of the transverse sliding rod are fixedly provided with first sliding blocks, and the first sliding blocks are connected with the vertical sliding rods in a sliding mode.

As a further aspect of the present invention: erect the slide bar with retaining member between the horizontal slide bar is first locking bolt, first locking bolt screw thread is worn to locate on the first slider, the tip of first locking bolt supports to arrange in erect on the slide bar and realize erecting the position fixation between slide bar and the horizontal slide bar.

As a further aspect of the present invention: and a second sliding block is fixedly installed on the limiting block and is in sliding connection with the transverse sliding rod.

As a further aspect of the present invention: the locking piece between the transverse sliding rod and the limiting block is a second locking bolt, the second locking bolt is threaded on the second sliding block, and the end part of the second locking bolt is abutted to the transverse sliding rod and fixed in position between the transverse sliding rod and the limiting block.

As a further aspect of the present invention: and two lifting lugs which are symmetrically arranged are fixedly arranged on the beam rod.

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

the utility model discloses simple structure, convenient to use is through setting up four stoppers to extrude fixedly through the stopper to the edge of PCB board, the dirt end of the fixed needle of rethread contacts spacingly with the PCB board, thereby makes the terminal surface of PCB board unobstructed, and makes whole plate body and etching solution fully contact, avoids etching incomplete phenomenon to take place, improves the processingquality of PCB board.

Drawings

FIG. 1 is a schematic structural view of a jig dedicated for PCB etching;

FIG. 2 is a sectional view of a jig for PCB etching;

FIG. 3 is a schematic structural diagram of a limiting block in the special fixture for PCB etching;

in the figure: the device comprises a beam rod 1, a lifting lug 11, a vertical sliding rod 2, a first sliding block 3, a first locking bolt 31, a transverse sliding rod 4, a second sliding block 5, a second locking bolt 51, a limiting block 6, a limiting groove 61, a fixing pin 62 and a PCB 7.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 3, in the present embodiment, a fixture special for PCB etching is used for lifting and etching a PCB 7, and includes four limiting blocks 6, where the four limiting blocks 6 act on four corners of the PCB 7 and fix the PCB 7.

Specifically, limiting groove 61 has been seted up on stopper 6, has the right angle inner wall in this limiting groove 61, and when PCB 7 card was gone into limiting groove 61, the right angle limit of PCB 7 was hugged closely on the right angle inner wall of limiting groove 61, the front and back end difference threaded connection of stopper 6 fixes needle 62, fixed needle 62 is used for spacing to the terminal surface of PCB board 7. Specifically, fixing pin 62 wherein one end forms most advanced, and the other end is provided with the turncap, makes fixing pin 62's structure roughly be the screw form, and fixing pin 62's most advanced acts on PCB board 7 to it is spacing around making PCB board 7 carry out, prevents it and rocks, and simultaneously, because fixing pin 62's most advanced and PCB board 7 between be the point contact, consequently, can not cause the great area of the cover of PCB board 7 terminal surface, at PCB board 7 etching in-process, can make PCB board 7's terminal surface and etching solution contact completely, thereby improve PCB board 7's quality.

It should be noted that the fixing pin 62 only has a limiting function, the tip of the fixing pin 62 contacts with the PCB 7, and the fixing of the PCB 7 depends on the four limiting blocks 6 to synchronously press the edge of the board body inwards, that is, the fixing pressing force-bearing position of the PCB 7 is located at the edge of the board body.

In order to further adjust four stopper 6's position, still include roof beam pole 1 and two sets of slide bars, two sets of slide bars are including a set of perpendicular slide bar 2 and a set of sideslip pole 4, and every group slide bar has two, two erect 2 parallel arrangement of slide bar and perpendicular fixed mounting on roof beam pole 1, two 4 parallel arrangement of sideslip pole and slidable mounting are two erect between the slide bar 2, stopper 6 with 4 sliding connection of sideslip pole, the slip is provided with two stopper 6 on 4 of sideslip pole to make four stopper 6 can be the rectangle distribution between two sideslip pole 4. In addition, be provided with the retaining member between horizontal sliding rod 4 and the perpendicular sliding rod 2, erect sliding rod 2 with all be provided with the retaining member between the stopper 6, the retaining member is used for 4 and perpendicular sliding rod 2 between the perpendicular sliding rod 2 carry out the position fixing between perpendicular sliding rod 2 and the stopper 6, fixed mounting has two lugs 11 that the symmetry set up on the roof beam pole 1.

Through the sliding arrangement of the two transverse sliding rods 4, the longitudinal distance between the two groups of limiting blocks 6 is adjusted, the distance between the two limiting blocks 6 in the same group can be adjusted, so that the rectangle surrounded by the four limiting blocks 6 can be further adjusted in size, and after the PCB 7 is fixed, the special clamp disclosed by the invention and the PCB 7 are lifted together through the lifting lugs 11 and immersed into etching liquid for etching.

In this embodiment, specifically, the two ends of the horizontal sliding rod 4 are fixedly provided with the first sliding blocks 3, and the first sliding blocks 3 are connected with the vertical sliding rod 2 in a sliding manner. Erect slide bar 2 with retaining member between the horizontal slide bar 4 is first locking bolt 31, first locking bolt 31 screw thread is worn to locate on the first slider 3, and the tip of first locking bolt 31 supports to arrange in on erecting slide bar 2 and realize erecting the position fixation between slide bar 2 and the horizontal slide bar 4.

In this embodiment, specifically, a second slider 5 is fixedly mounted on the limiting block 6, and the second slider 5 is slidably connected to the horizontal sliding rod 4. The locking piece between the transverse sliding rod 4 and the limiting block 6 is a second locking bolt 51, the second locking bolt 51 is threaded on the second sliding block 5, and the end part of the second locking bolt 51 is abutted against the transverse sliding rod 4 and fixed in position between the transverse sliding rod 4 and the limiting block 6.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, in this document, "greater than," "less than," "more than," and the like are understood to not include the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is known, other changes and modifications can be made to the embodiments by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all the modifications of the equivalent structure or equivalent flow path using the contents of the specification and the drawings of the present invention, or directly or indirectly using other related technical fields are also included in the scope of the present invention.

Claims

1. The utility model provides a PCB board etching special fixture for the hoist and mount etching of PCB board, its characterized in that: the PCB board fixing device comprises four limiting blocks, a beam rod and two groups of sliding rods, wherein the four limiting blocks act on four corners of a PCB board and fix the PCB board, limiting grooves are formed in the limiting blocks, right-angle inner walls are arranged in the limiting grooves, when the PCB board is inserted into the limiting grooves, right-angle edges of the PCB board are tightly attached to the right-angle inner walls of the limiting grooves, the front ends and the rear ends of the limiting blocks are respectively in threaded connection with fixing needles, and dust ends of the fixing needles are located in the limiting grooves and used for limiting the end faces of the PCB board;

2. The jig special for etching a PCB according to claim 1, wherein: the two ends of the transverse sliding rod are fixedly provided with first sliding blocks, and the first sliding blocks are connected with the vertical sliding rods in a sliding mode.

3. The jig special for etching a PCB according to claim 2, wherein: the locking piece between the vertical sliding rod and the transverse sliding rod is a first locking bolt, the first locking bolt is threaded on the first sliding block, the end part of the first locking bolt abuts against the vertical sliding rod and the position between the vertical sliding rod and the transverse sliding rod is fixed.

4. The jig special for etching a PCB according to claim 1, wherein: and a second sliding block is fixedly installed on the limiting block and is in sliding connection with the transverse sliding rod.

5. The jig special for etching a PCB according to claim 4, wherein: the locking piece between the transverse sliding rod and the limiting block is a second locking bolt, the second locking bolt is threaded on the second sliding block, and the end part of the second locking bolt is abutted to the transverse sliding rod and fixed in position between the transverse sliding rod and the limiting block.

6. The jig special for etching a PCB according to claim 1, wherein: and two lifting lugs which are symmetrically arranged are fixedly arranged on the beam rod.