CN212526420U

CN212526420U - PCB clamping jig with quick buckling structure

Info

Publication number: CN212526420U
Application number: CN202020978090.2U
Authority: CN
Inventors: 邓育智
Original assignee: Shenzhen Dengpu Technology Co ltd
Current assignee: Shenzhen Dengpu Technology Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2021-02-12
Anticipated expiration: 2030-05-30

Abstract

The utility model discloses a PCB centre gripping tool with quick lock structure, including lock mechanism, clamp plate and lower part mould, lock mechanism sets up on clamp plate and lower part mould, realizes the quick combination and the liberation of clamp plate and tool, lock mechanism includes discount and the buckling body, the buckling body is corresponding to the discount setting, discount and the buckling body set up respectively on one of them of clamp plate or lower part mould, the discount is the columnar structure, and its lower part is provided with the lock groove, the concave buckle of locating in lock groove is on, correspondingly, the buckling body has buckle spare, buckle spare can imbed in the lock groove, realize the combination of discount and the buckling body.

Description

PCB clamping jig with quick buckling structure

Technical Field

The utility model relates to a tool is fixed to the PCB board, especially relates to a paster welding jig for PCB board that realizes quick pressfitting of clamp plate and mould.

Background

The PCB board is also called as a printed circuit board or a PCB, and is an important component of electronic devices such as electrical devices and computers, and is usually printed by using an electronic printing technique. The PCB board of seal tin paster needs the process through the printing tin cream before getting into the use, because the PCB board is very thin, consequently need be extremely careful in the aspect of adopting the welding tool, and the welding tool of current adoption although can accomplish seal tin reflow soldering process, nevertheless because fixed unstable, the phenomenon is deviate from the tool easily to appear rocking and PCB board in seal tin paster reflow soldering tin in-process very easily, cause the welding inconvenient, welding speed is slow, welding precision low grade, and dismouting PCB board is extremely its inconvenient, it is careless slightly, will cause scrapping of PCB board and electronic component, and then the resource has been wasted.

Under the general condition, the PCB realizes the welding process through a jig, for example, a solder paste process is needed to be carried out when a special chip material such as a dense pin chip exists on the surface, and a furnace-passing jig is needed to be used for protecting the chip component from falling off when the chip component passes through the wave soldering. The jig is generally divided into an upper part and a lower part, and the PCB is clamped from two surfaces respectively.

As patent application 201920405157.0 discloses a PCB circuit board welding jig, including the base, the plate body that link up about the base center is provided with presss from both sides the groove, and the four corners of base all is provided with the constant head tank, and the vertical both ends in top of base all are provided with the side direction briquetting, side direction briquetting back all is connected with adjusting screw, and adjusting screw passes the base and is connected with the side direction briquetting, and the horizontal one side in base top is provided with first spring buckle device, and the horizontal opposite side in base top is provided with the clamp plate, and clamp plate one side is connected with the base, and the opposite side top is provided with second spring buckle device. However, when the jig is used, because one ends of the base and the pressing plate are hinged together, when the jig is closed, the pressing plate starts to be pressed down from one side, so that the PCB can slightly displace, meanwhile, the problem of unbalanced pressure exists, and when the PCB is taken out, the buckle can be disengaged by pulling the pull rod 8, the pressing plate is opened, the operation steps are inconvenient, and the production efficiency is influenced.

Disclosure of Invention

To the problem that exists among the above-mentioned prior art, the utility model provides a PCB centre gripping tool with quick lock structure, this PCB centre gripping tool can realize the quick combination and the liberation of clamp plate and lower part mould through lock mechanism's setting, and convenient to use can improve PCB welded production efficiency effectively.

Another object of the utility model is to provide a PCB centre gripping tool with quick lock structure, this PCB centre gripping tool simple structure easily realizes, makes the combination of clamp plate and lower part mould stable, can not produce PCB's displacement, uses in the current PCB welding process of being convenient for.

To achieve the above object, the present invention is implemented as follows:

the PCB clamping jig is characterized in that the buckling mechanism comprises a buckle head and a buckle body, the buckle body is arranged corresponding to the buckle head, the buckle head and the buckle body are respectively arranged on one of the clamp plate or the lower die, the buckle head is of a columnar structure, a buckling groove is formed in the lower portion of the buckle head, the buckling groove is concavely arranged on the buckle head, correspondingly, the buckle body is provided with a buckle piece, and the buckle piece can be embedded into the buckling groove to realize the combination of the buckle head and the buckle body.

Further, the buckling groove is a groove, preferably an annular groove, so as to facilitate buckling of the buckling body to the buckling head.

Furthermore, the buckling piece is of an annular or U-shaped structure with a notch, and the buckling piece with the structure is more convenient to be matched with the buckling head.

Furthermore, the upper part of the buckle head is a reducing part, the buckle head main body is arranged below the reducing part, the buckle head main body is of a cylindrical structure, the lower part of the buckle head main body is an annular buckling groove, and the lowest part of the buckle head is provided with an arc-shaped head part so as to conveniently pass through a lower die to be buckled.

Furthermore, the buckling body is also provided with a propping piece, and the propping piece can prop against the buckling piece to enable the buckling piece to be separated from the groove, so that the buckling head and the buckling body are separated.

Furthermore, the propping piece is arranged on one of the pressure plate or the lower die and is elastically connected with the buckling piece so as to elastically prop the buckling piece and enable the buckling piece to have two states of buckling and loosening the buckling head.

Furthermore, the PCB clamping jig is further provided with an elastic body, the elastic body is arranged between the pressing plate and the lower die, one end of the elastic body is fixed on the pressing plate or the lower die, the other end of the elastic body extends out to support the pressing plate or the lower die, so that the buckling head and the buckling body keep a proper distance, the PCB arranged between the pressing plate and the lower die can be protected, the buckling head and the buckling body can be separated and cannot be combined together, and the buckling head and the buckling body can be buckled together by pressing the elastic body downwards.

Furthermore, the elastic body is embodied as a spring so as to be convenient for installation and fixation, and has low cost and easy realization.

Furthermore, the spring is conical, and the bottom surface of the conical bottom of the spring faces the pressing plate or the lower die which is elastically supported so as to have enough supporting surface to keep the stability of elastic supporting.

Furthermore, the upper part of the spring is an annular lantern ring, and the spring can be sleeved on the buckle head through the lantern ring, so that the installation is convenient; the lower part of the lantern ring is connected with a spring main body through a connecting part, the spring main body is conical or frustum-shaped, the bottom surface of the spring main body faces to a lower die which is elastically supported, and the bottom surface is conical, so that the spring main body has a large enough supporting surface, and the stability of elastic supporting can be kept.

The utility model has the advantages that:

compared with the prior art, the utility model discloses this PCB centre gripping tool can realize the quick combination and the release of clamp plate and lower part mould through lock mechanism's setting, especially the utility model discloses the lock mechanism who realizes can realize the combination and the release of clamp plate and lower part mould through simple pressing down, convenient operation, convenient to use can improve PCB welded production efficiency effectively.

And this PCB centre gripping tool simple structure easily realizes, makes the combination of clamp plate and lower part mould stable, can not produce the displacement of PCB, uses in the current PCB welding process of being convenient for.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a bottom view of the present invention.

Fig. 3 is an exploded view of the implementation of the present invention.

Fig. 4 is a schematic structural diagram of the fastening mechanism of the present invention.

Fig. 5 is a schematic view of the PCB clamping jig of the present invention in butt joint.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

Fig. 1, 2 and 3 show a PCB clamping jig with a quick fastening structure, as shown in the drawings, the PCB clamping jig includes a fastening mechanism, a pressing plate 1 and a lower mold 3, and a PCB 2 is clamped by the pressing plate 1 and the lower mold 3; the buckling mechanism (comprising a buckle head 4 and a buckling body 6) is arranged on the pressing plate 1 and the lower die 3, so that the pressing plate 1 and the lower die 3 can be quickly combined and released. Specifically, the fastening mechanism comprises a fastening head 4 and a fastening body 6, the fastening body 6 is arranged corresponding to the position of the fastening head 4, and as shown in the figure, the fastening head 4 is arranged on the pressing plate 1 and fixed on the side edge of the pressing plate 1 through a fixing hole 11; the fasteners 6 are disposed on the lower mold 3, and usually the fasteners 6 are disposed on the lower mold 3 connected to the lower mold 3 by other components (this arrangement is conventional and therefore not described herein).

The fastener 6 in the fastening mechanism can be realized by adopting a conventional structure, and the structure corresponding to the fastening head is a conventional choice for the technicians in the field in the realization of the utility model, so that the structure of the fastener 6 is not described in detail in the specific realization of the application.

In other implementations, the positions of the fastener 4 and the fastener 6 can be interchanged without affecting the quick coupling of the platen 1 with the lower mold 3.

As shown in fig. 4, the core of the design of the present invention is the structure of the buckle 4, and the buckle structure is simplified to realize the quick buckling or releasing with the buckle body. As shown in the figure, the buckle head 4 is a columnar structure, and the upper part of the buckle head is a reducing part 41 so as to facilitate the spring 5 to be sleeved on the buckle head 4; the lower part of the reducing part 41 is provided with a buckle head main body 42, the buckle head main body 42 is of a cylindrical structure, the lower part of the buckle head main body 42 is provided with an annular buckling groove 43, the lowest part of the buckle head 4 is provided with an arc-shaped head part 44, and the arc-shaped head part 44 can conveniently pass through the buckling hole 31.

For convenience of use, the fastener and the fastener are usually kept at a proper distance, so that the PCB arranged between the pressing plate and the lower mold can be protected, and the fastener can be separated and cannot be combined together until the elastic body is pressed down to clamp the fastener and the fastener together. The device which enables the fastening head and the fastening body to keep a proper distance is an elastic body which can elastically support, so that the pressing plate 1 and the lower die 3 can be conveniently pressed; in a specific implementation, the elastic body is a spring 5, so that the installation and the fixation are convenient, the cost is low, and the implementation is easy. One end of the spring 5 is fixed on the pressing plate or the lower die, and the other end extends out to support the pressing plate 1 or the lower die 1. Specifically, the upper part of the spring 5 is an annular collar 51, and the spring 5 can be sleeved on the button head 4 through the collar 51, so that the installation is convenient; the spring main body 53 is connected to the lower part of the collar 51 through the connecting part 52, the spring main body 53 is conical or frustum-shaped (commonly called a trumpet spring), the bottom surface 54 of the spring main body 53 faces the lower die 3 which is elastically supported, and the bottom surface 54 is a conical bottom and has a large enough supporting surface, so that the stability of elastic supporting can be kept.

Of course, the spring 5 may be provided separately, and need not necessarily be integrated with the button head 4.

Generally, the fastener 6 has a fastener and a supporting member, the fastener is in a ring or U-shaped structure with a notch, and the fastener of such a structure is more convenient to fit with the fastening groove 43 of the fastener 4; the propping piece can prop against the buckling piece to enable the buckling piece to be separated from the buckling groove, so that the buckling head and the buckling body are separated.

A plurality of buckling mechanisms are often arranged between one pressing plate 1 and the lower die 3 to form balanced buckling, so that the use is convenient, and in the implementation of the utility model, two buckling bodies 6 are arranged and are respectively arranged at two sides of the lower die 3, so that the operation is convenient; corresponding to the

buckling bodies

6, 4 buckling heads 4 are correspondingly arranged, and one buckling body 6 corresponds to two buckling heads 4.

Referring to fig. 5, after the lower mold 3 is assembled with the PCB 2, the pressing plate 1 covers the lower mold 3, the lower mold 3 has a hole 31 at a position aligned with the button, the button 4 is aligned with the button hole 31 and pressed down, the pressing plate 1 presses the spring 5, the spring 5 contracts under the propping of the lower mold 3, the button 4 passes through the button hole 31 and is fastened by the fastener 6, thereby completing the stable connection between the pressing plate 1 and the lower mold 3.

Because the buckle head is buckled with the buckling body through the buckle hole, the PCB cannot be displaced on a plane, and the stability is better.

Through foretell embodiment, can see that this PCB centre gripping tool passes through the setting of lock mechanism and can realize the quick combination and the liberation of clamp plate and lower part mould, especially the utility model discloses the lock mechanism who realizes can realize the combination and the liberation of clamp plate and lower part mould through simple pressing down, convenient operation, convenient to use can improve PCB welded production efficiency effectively.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. The utility model provides a PCB centre gripping tool with quick lock structure, includes lock mechanism, clamp plate and lower part mould, lock mechanism sets up on clamp plate and lower part mould, its characterized in that lock mechanism includes discount and buckling body, the buckling body sets up corresponding to the discount, discount and buckling body set up respectively on one of them of clamp plate or lower part mould, the discount is the columnar structure, and its lower part is provided with the lock groove, the concave buckle that locates of lock groove is, correspondingly, the buckling body has buckle spare, buckle spare can imbed in the lock groove.

2. The PCB clamping fixture with the rapid buckling structure as claimed in claim 1, wherein the buckling groove is a groove.

3. The PCB clamping fixture with the rapid buckling structure as claimed in claim 2, wherein the buckling grooves are annular grooves.

4. The PCB clamping jig with the rapid buckling structure as claimed in claim 3, wherein the upper part of the buckling head is a reducing part, the lower part of the reducing part is a buckling head main body, the buckling head main body is a cylindrical structure, the lower part of the buckling head main body is an annular buckling groove, and the lowest part of the buckling head is provided with an arc-shaped head part so as to pass through the lower die for buckling.

5. The PCB clamping jig with the rapid buckling structure as claimed in claim 3, wherein the buckling member is a ring or U-shaped structure with a gap.

6. The PCB clamping jig with the quick buckling structure as claimed in claim 1, wherein an elastic body is further disposed on the PCB clamping jig, the elastic body is disposed between the pressing plate and the lower mold, one end of the elastic body is fixed on the pressing plate or the lower mold, and the other end of the elastic body extends out to support the pressing plate or the lower mold.

7. The PCB clamping fixture with the rapid buckling structure as claimed in claim 6, wherein the elastic body is embodied as a spring.

8. The PCB clamping fixture with quick buckling structure as claimed in claim 7, wherein the spring is tapered, and the bottom surface of the tapered bottom of the spring faces the pressing plate or the lower mold elastically supported to have enough supporting surface to maintain the stability of elastic supporting.

9. The PCB clamping jig with the quick buckling structure as claimed in claim 8, wherein the upper part of the spring is an annular lantern ring, and the spring can be sleeved on the buckle head through the lantern ring; the lower part of the lantern ring is connected with a spring main body through a connecting part, the spring main body is conical or frustum-shaped, and the bottom surface of the spring main body faces to a lower die which is elastically supported.