CN103582312B - A kind of PCB erecting device - Google Patents

Abstract

The invention discloses a PCB installation device, which includes a PCB fixture and an auxiliary mechanism. The PCB fixture includes a fixture template and a fixed paper clip. The fixed paper clip is inserted into the guide groove of the fixture template, and the fixed paper clip is set There is a positioning hole, and the auxiliary mechanism includes a base plate, a cover plate, a cylinder, and a manual control valve. A plurality of positioning columns are arranged on the base plate. The base plate, the cover plate is hinged to the base plate, the air cylinder is arranged on the base plate, and the manual control valve is connected to the air cylinder through an air pipe. The invention has a simple and reasonable structure, is suitable for the positioning and installation of PCBs of different specifications, reduces its production cost; avoids the phenomenon of poor positioning and fixing of PCBs caused by the width of PCBs exceeding its tolerance range, and can easily realize the positioning and installation of PCBs. Fixed, it is convenient to assemble electronic components on the PCB, saving manpower and time, and improving work efficiency.

Description

A PCB mounting device

technical field

The invention relates to a mounting device, in particular to a mounting device for conveniently mounting a PCB.

Background technique

PCB (Printed Circuit Board), the Chinese name is printed circuit board, which is an important electronic component that is printed and spatially configured to install electronic components. Surface mount technology (Surface Mount Technology, SMT), which is a circuit assembly technology that mounts non-pin or short-lead surface mount components on the surface of a PCB, and solders and assembles them by reflow soldering or dip soldering. The prerequisite for the implementation of circuit assembly and connection technology is to position the PCB firmly, otherwise it will easily cause damage to the PCB and scrapping of electronic components. At present, the common methods of PCB installation are:

1. Position the PCB through the fixture and realize the installation of the PCB. The fixture includes an elastic positioning structure. When positioning the PCB with the elastic positioning structure, it is necessary to manually apply a thrust to shrink the elastic positioning structure. After the PCB is placed, cancel the thrust, and the PCB is positioned due to elasticity The structure is clamped.

2. The installation of PCB is realized manually.

Using the first method, the PCB can be better positioned, and the installation of the PCB can be realized, reducing the damage of the PCB and the scrapping of electronic components. However, this kind of PCB fixture still needs manual force to assist in installing the PCB, wasting time and manpower. Using the second method, due to factors such as improper operation methods, it is easy to cause damage to the PCB and scrapping of electronic components, and waste time and manpower, reducing work efficiency.

Contents of the invention

In order to solve the above technical problems, the object of the present invention is to provide a PCB mounting device with a reasonable and simple structure, which not only facilitates the positioning and fixing of the PCB, but also facilitates the assembly of electronic components on the PCB, and is simple and easy to operate, saving manpower and time, improving work efficiency.

In order to achieve the above object, the technical scheme of the present invention is as follows:

A PCB installation device, including a PCB fixture and an auxiliary mechanism, the PCB fixture includes a fixture template and a fixed paper clip, the upper end surface of the fixture template is provided with a plurality of strip-shaped grooves arranged equidistantly and used to place PCBs, the A plurality of guide grooves are arranged in the groove, the fixed paper clips are inserted in the guide grooves, a positioning hole is arranged on the fixed paper clips, and the auxiliary mechanism includes a base plate, a cover plate, a cylinder, a manual control valve, The upper end surface of the base plate is provided with a stopper and a plurality of positioning columns, and the PCB fixture is sleeved on the base plate through the cooperation of the positioning holes on the fixed paper clips and the positioning columns, and the lower end of the cover plate is connected to the positioning column. The base plate is hinged, the air cylinder is arranged on the upper end surface of the base plate, and the manual control valve is connected with the air cylinder through an air pipe.

As one of the preferred solutions of the present invention, the two sides of the guide groove are respectively provided with through holes communicating with the guide groove, the fixed paper clip includes a fixed block and a special-shaped spring, and the fixed block is arranged in the guide groove , and the fixed block is provided with a spring installation groove for fixing the special-shaped spring, the special-shaped spring is a fork formed by bending a metal wire, and its helical top supports the inner wall of one side of the spring installation groove , the spring arm of which bears against the bottom end surface of the clamp template through the through hole.

As one of the preferred solutions of the present invention, four positioning blocks for positioning the PCB fixture are symmetrically arranged on the upper end surface of the bottom plate, and the positioning blocks are respectively located at four corners of the PCB fixture.

As one of the preferred solutions of the present invention, a pair of support plates for supporting the cover plate are symmetrically arranged on the upper end surface of the bottom plate.

As one of the preferred solutions of the present invention, the lower end of the cover plate is connected to the bottom plate through a rotating shaft.

As one of the preferred solutions of the present invention, two sides of the bottom plate are respectively provided with avoidance grooves for easy access to the PCB fixture.

Through the above technical solution, the PCB installation device provided by the present invention can better realize the positioning and fixing of the PCB by using the PCB fixture, and facilitate the assembly of electronic components on the PCB. It can easily realize the positioning and fixing of the PCB by using the auxiliary mechanism. Fixed, saving manpower and time, improving work efficiency. In addition, the PCB installation device provided by the present invention utilizes the elastic effect of the fixed paper clips, and is suitable for positioning and installation of PCBs of different specifications within a certain size range, reducing the manufacturing cost of the PCB installation device; If the width exceeds its tolerance range, it will cause poor PCB positioning and fixing.

Description of drawings

In order to illustrate the structural features and technical points of the present invention more clearly, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of a PCB mounting device disclosed in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an auxiliary mechanism disclosed in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a PCB fixture disclosed in an embodiment of the present invention;

FIG. 4 is a partially enlarged schematic diagram at FIG. 3B;

Fig. 5 is a partially enlarged schematic diagram at Fig. 1A;

Fig. 6 is a schematic diagram of an exploded structure of a fixed paperclip disclosed in an embodiment of the present invention.

Explanation of reference signs: 1-PCB fixture, 11-fixture template, 11a-groove, 11b-guiding groove, 11c-through hole, 12-fixing paper clip, 12a-positioning hole, 12b-fixing block, 12b1-spring installation groove , 12c-special-shaped spring, 2-auxiliary mechanism, 21-base plate, 21a-block, 21b-positioning column, 21c-positioning block, 21d-support plate, 21f-avoidance groove, 22-cover plate, 23-cylinder, 24 -Manual control valve, 3-rotation shaft.

detailed description

The technical solution in the embodiment will be specifically, clearly and completely described below in conjunction with the drawings in the embodiment.

Referring to Figures 1, 2, 3 and 4, a PCB installation device includes a PCB fixture 1 and an auxiliary mechanism 2. The PCB fixture 1 includes a fixture template 11 and a fixed paper clip 12. The upper end surface of the fixture template 11 is provided with a plurality of The bar-shaped grooves 11a arranged equidistantly and used for placing the PCB, are provided with a plurality of guide grooves 11b in the grooves 11a, the fixed paper clips 12 are inserted in the guide grooves 11b, and a positioning hole 12a is arranged on the fixed paper clips 12, The auxiliary mechanism 2 includes a base plate 21, a cover plate 22, a cylinder 23, a manual control valve 24, and the upper end surface of the base plate 21 is provided with a stopper 21a and a plurality of positioning columns 21b. The cooperation of column 21b is sleeved on the base plate 21, the lower end of the cover plate 22 is hinged with the base plate 21, the cylinder 23 is located on the upper surface of the base plate 21, and the manual control valve 24 is connected with the cylinder 23 through the air pipe.

5 and 6, the two sides of the guide groove 11b are respectively provided with through holes 11c communicating with it, the fixed paper clip 12 includes a fixed block 12b and a special-shaped spring 12c, the fixed block 12b is arranged in the guide groove 11b, and the fixed block 12b is provided with a spring installation groove 12b1 for fixing the special-shaped spring 12c. The special-shaped spring 12c is a fork-shaped piece formed by bending a metal wire, and its helical top supports the inner wall of one side of the spring installation groove 12b1. 11c butts against the bottom end face of the jig template 11 .

Referring to FIG. 1 , four positioning blocks 21 c for positioning the PCB fixture 1 are arranged symmetrically on the upper surface of the base plate 21 , and the positioning blocks 21 c are respectively located at four corners of the PCB fixture 1 . The positioning block 21c can function to position the PCB fixture 1 .

Referring to Fig. 1 and Fig. 2, a pair of support plates 21d for supporting the cover plate 22 are also symmetrically arranged on the upper end surface of the bottom plate 21. When the cover plate 22 is opened at a certain angle, the support plate 21d can play a supporting role as the cover plate 22 to prevent the cover plate 22 from falling and covering the PCB fixture 1 again.

Referring to FIG. 1 and FIG. 2 , the lower end of the cover plate 22 is connected to the bottom plate 21 through a rotating shaft 3 .

Referring to FIG. 1 , two sides of the bottom plate 21 are respectively provided with avoidance grooves 21 f for easy access to the PCB fixture 1 .

Firstly, place the PCB fixture 1 on the bottom plate 21 of the auxiliary mechanism 2 through the cooperation of the positioning hole 12a on the fixed paper clip 12 and the positioning column 21b on the bottom plate 21; then, connect the manual control valve 24 to the air circuit to operate the manual control The handle of the valve 24 moves with the cylinder 23 connected to the manual control valve 24 through the air pipe, and its push rod pushes the PCB fixture 1 out. At this time, the stopper 21a plays a role in restricting the movement of the PCB fixture 1 to prevent the stroke of the cylinder 23 from being too large Then, due to the thrust of the cylinder 23, the fixed block 12b of the fixed paper clip 12 is advanced to the bottom of the clamp template 11 along the guide groove 11b in a sliding manner, and the special-shaped spring 12c is installed by the spring One side of the groove 12b1 and the bottom end of the fixture template 11 contract and shrink; after the PCB is confirmed to be placed, the handle of the manual control valve 24 is operated in the opposite direction, the push rod of the cylinder 23 is retracted, and the thrust on the fixed paper clip 12 is cancelled, The fixed block 12b and the PCB are locked by the special-shaped spring 12c; finally, the cover plate 22 is put down, and the cover plate 22 is covered on the PCB fixture 1, which can play the role of fine-tuning, that is, the PCB is flattened by the cover plate 22, so that the PCB It can be more flat, which is conducive to the installation of electronic components on the PCB in the later stage, and can improve the quality. In addition, when the automation device picks up the PCB and places it on the PCB fixture, due to the high precision of the mechanical operation, the action of flattening the PCB with the cover plate 22 can be omitted. At this time, the cover plate 22 and the support can be eliminated. The support plate 21d of the cover plate 22.

To sum up, the PCB mounting device provided by the embodiment of the present invention uses the PCB fixture 1 to better realize the positioning and fixing of the PCB, and facilitates the assembly of electronic components on the PCB. It uses the auxiliary mechanism 2 to easily realize The positioning and fixing of PCB saves manpower and time, and improves work efficiency. In addition, the present invention provides the PCB installation device of the embodiment, which utilizes the elastic effect of the fixed paper clip 12, and is suitable for positioning and installation of PCBs of different specifications within a certain size range, reducing the manufacturing cost of the PCB installation device; PCB positioning and fixing are poor due to the width of the PCB exceeding its tolerance range.

The above specific implementation is only to illustrate the technical concept and structural features of the present invention, and the purpose is to allow relevant persons familiar with this technology to implement it, but the above-mentioned content does not limit the protection scope of the present invention. Any equivalent changes or modifications made to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (6)

1. a PCB erecting device, comprise PCB fixture and auxiliary body, described PCB fixture comprises fixture template and fixing paper clip, the upper surface of described fixture template is provided with a plurality of equidistant arrangement and strip groove for placing PCB, a plurality of guide groove is provided with in described groove, described fixing paper clip is inserted in described guide groove, it is characterized in that, described fixing paper clip is provided with a location hole, described auxiliary body comprises base plate, cover plate, cylinder, hand control valve, the upper surface of described base plate is provided with a block and a plurality of reference column, the location hole of described PCB fixture on described fixing paper clip coordinates with reference column, be sheathed on described base plate, the lower end of described cover plate and described base plate hinged, described cylinder is located at the upper surface of described base plate, described hand control valve connects through tracheae and described cylinders.

2. a kind of PCB erecting device according to claim 1, it is characterized in that, the both sides of described guide groove are respectively arranged with the through hole be communicated with described guide groove, described fixing paper clip comprises fixed block and deformed spring, described fixed block is arranged in described guide groove, and described fixed block is provided with the spring fitting groove for fixing described deformed spring, described deformed spring is the Y-piece be bent to form by wire, the side inwall that spring fitting groove is stated in residence is shored on its spiral top, and its spring arm props up the bottom face of described fixture template through described through hole.

3. a kind of PCB erecting device according to claim 1 and 2, is characterized in that, the upper surface of described base plate arranges four symmetrically for locating the locating piece of PCB fixture, and described locating piece lays respectively at four angles place of described PCB fixture.

4. a kind of PCB erecting device according to claim 1 and 2, is characterized in that, the upper surface of described base plate also arranges a pair symmetrically for supporting the supporting bracket of cover plate.

5. a kind of PCB erecting device according to claim 1 and 2, is characterized in that, the lower end of described cover plate is connected by a rotating shaft with described base plate.

6. a kind of PCB erecting device according to claim 1 and 2, is characterized in that, the both sides of described base plate offer an escape groove of conveniently taking PCB fixture respectively.