CN216565758U

CN216565758U - PCB carrier

Info

Publication number: CN216565758U
Application number: CN202122980850.0U
Authority: CN
Inventors: 伍文杰
Original assignee: Wuxi Jierong Precision Machinery Co ltd
Current assignee: Wuxi Jierong Precision Machinery Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-17
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a PCB carrier, which comprises a bottom plate, wherein the bottom plate comprises a bottom plate body and folding lugs, and a cover plate is connected above the bottom plate body; the PCB structure comprises a bottom plate body and a cover plate, wherein the bottom plate body is provided with a sunken groove used for limiting a PCB, and the cover plate is provided with a hollowed-out area used for exposing the front surface of a PCB unit. According to the utility model, the plurality of magnet holes are formed in the back surface of the bottom plate body, the magnet blocks are riveted in the magnet holes, the metal cover plate and the bottom plate body are tightly adsorbed together through opposite magnetic poles, namely the cover plate is used for covering the bottom plate body, and the four sides of the PCB are fixed by the cover plate and the bottom plate body, so that the stability of the PCB in the carrier is ensured, and the PCB can be adapted to a machine table by virtue of smooth movement of the bottom plate in a track, the operability of a product is improved, and the production efficiency is improved. The carrier of the utility model is not only convenient to operate, but also stable and reliable.

Description

PCB carrier

Technical Field

The utility model relates to the technical field of semiconductor packaging test and SMT (surface mount technology), in particular to a PCB (printed circuit board) carrier.

Background

The carrier for integrated circuit sealing and testing and SMT paster industry accounts for a large part of the whole production line and is used in the processes of sticking, bonding, plastic packaging and the like. Pcb (printed Circuit board), which is called printed Circuit board (pcb) and is also called printed Circuit board (pcb), is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. The circulation of PCB needs the carrier, generally can adopt different carriers to place PCB in SMT and test procedure, and the reliable and stable quality and the output of having decided PCB of carrier. Because the PCB has harder, also has thinner softer, and softer PCB stability is relatively poor, if fix it on the carrier with the sticky tape only, the PCB shifts easily or drops from the carrier in the circulation in-process to influence production efficiency, so on in order to make softer PCB can place the board such as chip mounter smoothly, need a dedicated carrier.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a PCB carrier which is convenient to operate, stable and reliable, can stably and efficiently place softer PCB patches on a machine table and improves the production efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a PCB carrier comprises a bottom plate, wherein the bottom plate comprises a bottom plate body and a folding lug; a cover plate is connected above the bottom plate body; the PCB structure comprises a bottom plate body and a cover plate, wherein the bottom plate body is provided with a sunken groove used for positioning a PCB, and the center of the cover plate is provided with a hollowed-out area used for exposing the front surface of a PCB unit.

Preferably, the edge of the upper surface of the bottom plate body is provided with a plurality of positioning pins, the edge of the cover plate is provided with a plurality of positioning holes, and the positioning holes correspond to the positioning pins.

Preferably, the bottom plate body is further provided with a first taking port and a second taking port, and the first taking port and the second taking port are respectively arranged on one side, opposite to the sinking groove, of the sinking groove.

Preferably, the edge of the inner side of the sinking groove is provided with a positioning bulge matched with the PCB notch.

Preferably, the back of the bottom plate body is provided with a plurality of magnet holes, and magnet sheets are arranged in the magnet holes.

Preferably, a plurality of heat dissipation holes are formed in the bottom plate body.

Preferably, the folding lugs are positioned on the edges of the two sides of the bottom plate body and are used for being embedded into a guide rail of a machine table.

The utility model has the beneficial effects that: according to the utility model, the plurality of magnet holes are formed in the back surface of the bottom plate body, the magnet blocks are riveted in the magnet holes, the metal cover plate and the bottom plate body are tightly adsorbed together through opposite magnetic poles, namely the cover plate is used for covering the bottom plate body, and the four sides of the PCB are fixed by the cover plate and the bottom plate body, so that the stability of the PCB in the carrier is ensured, and the PCB can be adapted to a machine table by virtue of smooth movement of the bottom plate in a track, the operability of a product is improved, and the production efficiency is improved. The carrier of the utility model is not only convenient to operate, but also stable and reliable.

Drawings

Fig. 1 is a schematic structural diagram of a PCB carrier of the present invention.

Fig. 2 is a structural view of the base plate according to the present invention.

Fig. 3 is a bottom view of the base plate of the present invention.

In the figure, 1-bottom plate, 11-bottom plate body, 12-folded lug, 13-sink groove, 2-cover plate, 3-hollowed-out area, 4-positioning pin, 5-positioning hole, 6-first fetching port, 7-second fetching port, 8-positioning projection, 9-magnet hole and 10-radiating hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3: a PCB carrier comprises a bottom plate 1, wherein the bottom plate 1 comprises a bottom plate body 11 and a folding lug 12, and a cover plate 2 is connected above the bottom plate body 11; the PCB positioning structure is characterized in that a sinking groove 13 used for positioning a PCB is formed in the center of the bottom plate body 11, and a hollow-out area 3 used for exposing the front face of a PCB unit is formed in the center of the cover plate 2.

A sinking groove 13 for placing a PCB is formed in the middle of a bottom plate body 11, the PCB is placed in the sinking groove 13, and a cover plate 2 is covered above the bottom plate body 11 and then fixed; the cover plate is used for covering the bottom plate body, and the four sides of the PCB are fixed by the cover plate and the bottom plate body, so that the stability of the PCB in the carrier is ensured; moreover, the design of 2 fretworks of apron has guaranteed that PCB's front obtains fully exposing, is convenient for carry out next step's process.

Further, the edge of the upper surface of the bottom plate body 11 is provided with a plurality of positioning pins 4, the edge of the cover plate 2 is provided with a plurality of positioning holes 5, and the positioning holes 5 correspond to the positioning pins 4 in position.

The locating pin 4 that the upper surface edge of bottom plate body 11 set up is corresponding with 5 positions of locating hole on the apron 2, has further guaranteed that apron 2 and bottom plate body 11 can link together accurately.

Further, a first taking opening 6 and a second taking opening 7 are further formed in the bottom plate body 11, and the first taking opening 6 and the second taking opening 7 are respectively formed in one side, opposite to the sinking groove 13, of the bottom plate body.

Two taking openings are formed in the left side and the right side of the sinking groove 13, so that an operator can take out the PCB from the carrier more easily.

Furthermore, a positioning protrusion 8 matched with the PCB notch is arranged on the inner side edge of the sinking groove 13 close to one side of the first taking opening 6.

The notch on the PCB is aligned with the positioning projection 8 and can be accurately placed in the sinking groove 13.

Furthermore, a plurality of magnet holes 9 are formed in the back surface of the bottom plate body 11, and magnet blocks are riveted in the magnet holes 9.

Set up a plurality of magnet holes 9 at the back of bottom plate body 11 to wherein riveting the magnet piece, apron 2 adopts the metal material, and apron 2 and bottom plate body 11 can closely adsorb together through opposite magnetic pole, make PCB can not rock in heavy groove 13, the effectual roughness of having guaranteed PCB, greatly increased apron 2 and bottom plate body 11 to PCB's clamping-force, ensured the normal development of process on next step.

Further, a plurality of heat dissipation holes 10 are formed around the bottom plate body 11 and in the sink groove 13.

There is the heating process in SMT process, and the design of louvre provides heat in turn, heat dissipation that can be quick makes PCB be difficult to adsorb on bottom plate body 11, and the design of louvre has also alleviateed carrier weight simultaneously.

Further, the folding lugs 12 are located near two side edges of the extending direction of the bottom plate body 11, and are used for being embedded into a guide rail of a machine table.

PCB passes through apron 2 and bottom plate body 11 is fixed, and the ear 12 of folding of 1 both sides of bottom plate imbeds respectively in the guide rail of board, makes bottom plate 1 smooth and easy motion in the track, improves the maneuverability of product.

The working principle of the utility model is as follows: the middle position of the bottom plate body 11 is provided with a sinking groove 13 for placing the PCB, the softer PCB is placed in the sinking groove 13, the magnet blocks are riveted in the magnet holes 9 on the back surface of the bottom plate body 11, the metal cover plate 2 is covered above the bottom plate body 11, the cover plate 2 and the bottom plate body 11 are tightly adsorbed together through opposite magnetic poles, namely the four sides of the PCB are fixed by the cover plate 2 and the bottom plate body 11, and therefore the stability of the PCB in a carrier is guaranteed. During the folded ear 12 of bottom plate 1 both sides imbeds the guide rail of board respectively, with the help of the smooth and easy motion of bottom plate 1 in the track to make PCB can the adaptation board, improve the maneuverability of product, improve production efficiency.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A PCB carrier, its characterized in that: the folding type folding chair comprises a bottom plate (1), wherein the bottom plate (1) comprises a bottom plate body (11) and folding lugs (12); a cover plate (2) is connected above the bottom plate body (11); the PCB positioning device is characterized in that a sinking groove (13) used for positioning the PCB is formed in the middle of the bottom plate body (11), and a hollow-out area (3) used for exposing the front face of the PCB unit is formed in the middle of the cover plate (2).

2. The PCB carrier of claim 1, wherein: the edge of the upper surface of the bottom plate body (11) is provided with a plurality of positioning pins (4), the edge of the cover plate (2) is provided with a plurality of positioning holes (5), and the positioning holes (5) correspond to the positioning pins (4).

3. The PCB carrier of claim 2, wherein: the bottom plate body (11) is further provided with a first taking opening (6) and a second taking opening (7), and the first taking opening (6) and the second taking opening (7) are respectively arranged on one side, opposite to the sinking groove (13).

4. The PCB carrier of claim 3, wherein: and a positioning bulge (8) matched with the PCB notch is arranged at the edge of the inner side of the sinking groove (13).

5. The PCB carrier of claim 1, wherein: the back of bottom plate body (11) is equipped with a plurality of magnet holes (9), set up the magnet piece in magnet hole (9).

6. The PCB carrier of claim 5, wherein: the bottom plate body (11) is provided with a plurality of heat dissipation holes (10).

7. The PCB carrier of claim 1, wherein: the folding lugs (12) are positioned on the two side edges of the bottom plate body (11) and are used for being embedded into a guide rail of a machine table.