CN215789372U

CN215789372U - Multilayer PCB stator plate pasting clamp

Info

Publication number: CN215789372U
Application number: CN202122055297.XU
Authority: CN
Inventors: 周劲松
Original assignee: Guangzhou Ningshang Energy Technology Co ltd
Current assignee: Guangzhou Ningshang Energy Technology Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-11
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a multilayer PCB stator plate pasting clamp which comprises a base, an upper cover and a plurality of screws, wherein the base is provided with a plurality of through holes; the base is provided with a concave cavity, the bottom of the concave cavity is a plane, a PCB (printed circuit board) stator plate is placed on the concave cavity, a positioning column is arranged in the center of the plane of the concave cavity, and the PCB stator plate is positioned by the positioning column; the upper cover is provided with a boss which is pressed into the concave cavity, and the center of the boss is provided with a clearance hole of the positioning column; the edges of the base and the upper cover are connected with the central part through a plurality of screw rods, and the bosses of the upper cover compress the stator plate to be adhered. According to the multi-layer PCB stator plate pasting clamp provided by the utility model, after each layer of PCB of the multi-layer PCB stator plate is processed, the multi-layer PCB is pasted and solidified inside a company by using the clamp, so that the external processing cost is saved, the processing time of a product is shortened, and the quality of a proofing product is improved; and the clamp has simple structure, low cost and convenient operation.

Description

Multilayer PCB stator plate pasting clamp

Technical Field

The utility model relates to the technical field of motors, in particular to a multi-layer PCB stator plate pasting clamp applied to a PCB motor.

Background

When the stator is a multilayer (two or more layers) PCB, the multilayer PCB is required to be stacked together and the circuits are connected with each other to form a continuous trace line, firstly, the two layers of the multilayer PCB are brushed with a binder and pressed for a period of time to solidify the binder, then the circuits between the two layers of the PCB are connected, and then the outer layer of the PCB is fixedly stuck and connected with the circuits between the layers of the PCB, and finally the multilayer PCB is connected into a whole.

When the PCB motor is in an initial development stage, the PCB stator board as the motor needs a proofing test. The PCB production factory needing exterior speciality is manufactured, due to the fact that the PCB production factory is a proofing product, the quantity is small, the process operation is unskilled, the PCB production factory needs to return to a company to carry out circuit connection after two layers of boards are pasted and solidified every time, then the PCB production factory is sent out to paste and fix other layers of PCBs, and the more the number of layers of the PCBs is, the more the number of times of back and forth is needed. Therefore, the problems that the sample making product amount is small, and the processing cost is high are solved; secondly, the multi-layer PCB stator plate after pasting and pressing can not meet the use requirement; thirdly, the circuit connection between the two layers of the PCB needs to be returned to the company for carrying out, and the product wastes time when going back and forth between the company and an external PCB production factory, so that the working efficiency is not high.

Therefore, there is a need to solve the above technical problems.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the multi-layer PCB stator plate pasting clamp, after each layer of PCB of the multi-layer PCB stator plate is processed, the multi-layer PCB is pasted and solidified inside a company by using the clamp, so that the external processing cost is saved, the processing time of a product is shortened, and the quality of a proofing product is improved; and the clamp has simple structure, low cost and convenient operation.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a multi-layer PCB stator plate pasting clamp comprises:

the PCB stator plate positioning device comprises a base and a positioning column, wherein the base is provided with a concave cavity, the bottom of the concave cavity is a plane, a PCB stator plate is placed on the concave cavity, the center of the plane of the concave cavity is provided with the positioning column, and the positioning column is used for positioning the PCB stator plate;

the upper cover is provided with a boss, the boss is pressed into the concave cavity, and the center of the boss is provided with a clearance hole of the positioning column;

the edge and the central part of the base and the upper cover are connected through the screw rods, and the bosses of the upper cover compress the stator plate to be adhered.

According to the multi-layer PCB stator plate pasting clamp, after each layer of PCB of the multi-layer PCB stator plate is processed, the multi-layer PCB is pasted and solidified inside a company by using the clamp, so that the external processing cost is saved, the processing time of a product is shortened, and the quality of a proofing product is improved; and the clamp has simple structure, low cost and convenient operation.

Further anchor clamps are pasted to multilayer PCB stator board still includes first cushion and second cushion, first cushion central point puts and passes the reference column is located on the plane of cavity, second cushion central point puts and passes the reference column is located outer PCB stator board on the surface. The first rubber mat and the second rubber mat protect the surface of the PCB stator plate from being damaged by the clamp in the pressing process.

Furthermore, a through hole is formed in the edge of the base and communicated with the concave cavity. The through holes are convenient for picking and placing the PCB stator plate needing to be pasted and pressed.

Furthermore, the number of the through holes is four, and the through holes are arranged in a pairwise symmetrical mode. The four through holes which are symmetrical in pairs are arranged, so that the PCB stator plates which need to be pasted and pressed can be conveniently taken and placed in different directions.

Furthermore, the middle part of the upper cover is provided with an inner concave structure, the center of the inner concave structure is provided with an outer bulge, and the clearance hole extends into the outer bulge. The concave structure of the upper cover reduces the weight of the upper cover and is convenient to operate.

Further, the concave structure is a conical structure with a narrow bottom and a wide outer part. The tapered concave structure increases the strength of the upper cover edge.

And a plurality of reinforcing ribs are arranged between the outer bulge and the bottom of the concave structure. The reinforcing ribs increase the connecting strength between the outer protrusion and the bottom of the concave structure.

Furthermore, the edge of the upper cover is provided with a notch penetrating to the concave structure, and the notch is of a trapezoidal structure with a narrow bottom and a wide outer part. The opening of the notch lightens the weight of the upper cover, is convenient to operate, and the trapezoidal notch ensures the strength of the edge of the upper cover.

Furthermore, the number of the notches is four, and the notches are arranged in a pairwise symmetrical mode. The four notches further reduce the weight of the upper cover.

Compared with the prior art, the utility model has the following technical advantages:

1. according to the multi-layer PCB stator plate pasting clamp, after each layer of PCB of the multi-layer PCB stator plate is processed, the multi-layer PCB is pasted, pressed and cured inside a company by using the clamp, so that the external processing cost is saved, the processing time of a product is shortened, and the quality of a proofing product is improved;

2. the multi-layer PCB stator plate pasting clamp is simple in structure, low in cost, light in upper cover weight, easy to take and place and convenient to operate.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view in half section of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a front view of FIG. 1;

fig. 5 is a sectional view a-a of fig. 4.

Detailed Description

The utility model will be described in further detail below with reference to embodiments shown in the drawings.

As shown in fig. 1 to 5, an embodiment of a multi-layer PCB stator plate pasting jig of the present invention.

As shown in fig. 1, 2 and 3, the multi-layer PCB stator plate pasting jig includes a base 10, an upper cover 20 and a plurality of screws 30; the base 10 has a cavity 11, the bottom of the cavity 11 is a plane, the PCB stator plate 60 is placed on the cavity, and a gap is formed between the PCB stator plate 60 and the edge of the cavity 11. The plane center of cavity 11 is equipped with reference column 12, and reference column 12 location PCB stator board 60.

As shown in fig. 3, the PCB stator plate 60 has a positioning hole 61, the positioning hole 61 may be a circular hole or a polygonal hole, and the positioning hole 61 of the PCB stator plate 60 of this embodiment is a regular hexagon. The corresponding positioning column 12 on the base 10 is a regular hexagonal column, and is matched with the positioning hole 61 of the regular hexagon, and the positioning column 12 passes through the positioning hole 61 of the PCB stator plate 60 to position the PCB stator plate 60.

As shown in fig. 2, 3 and 5, the upper cover 20 has a boss 21, the boss 21 is pressed into the cavity 11, the size of the boss 21 is the same as that of the PCB stator board 60, and of course, the size of the boss 21 may be larger than that of the PCB stator board 60; the boss 21 has a clearance hole 22 in the center for the positioning post 12.

As shown in fig. 3, the base 10 has a regular quadrilateral shape with four rounded corners. Three threaded holes are uniformly distributed between the edges of the four bases 10 and the concave cavity 11 in an arc shape, and a threaded hole is formed in the center of the positioning column 12. The upper cover 20 is a circular structure with a boss, and through holes corresponding to the threaded holes on the base 10 are arranged at the edge and the center of the upper cover 20. Twelve screws 30 on the edge and one screw 30 in the center are connected to the screw holes of the base 10 through the through holes of the upper cover 20. The lower layer of PCB stator plate 60 is placed in the cavity 11 of the base 10, the outer surface of the lower layer of PCB stator plate 60 is brushed with adhesive, the other layer of PCB stator plate 60 is placed, and the boss 21 of the upper cover 20 compresses the two PCB stator plates 60 to be adhered.

As shown in fig. 2 and 3, the multi-layer PCB stator plate pasting fixture further includes a first rubber mat 40 and a second rubber mat 50, wherein the center positions of the first rubber mat 40 and the second rubber mat 50 are respectively provided with a fixing hole, and the fixing hole is regular hexagon and is matched with the positioning column 12. The fixing hole of the first rubber pad 40 passes through the positioning column 12 and is located on the plane of the cavity 11, and the fixing hole of the second rubber pad 50 passes through the positioning column 12 and is located on the surface of the outer layer PCB stator plate 60. The surface of the boss 21 of the upper cover 20 is pressed on the second rubber pad 50, and the sizes of the first rubber pad 40 and the second rubber pad 50 are the same as the size of the PCB stator plate 60. The first rubber mat 40 and the second rubber mat 50 are made of silica gel, and the first rubber mat 40 and the second rubber mat 50 protect the surface of the PCB stator plate 60 from being damaged by a clamp in the pressing process.

As shown in fig. 3 and 4, through holes 13 are formed in the edge of the base 10, the through holes 13 are communicated with the cavity 11, and four through holes 13 are formed at four rounded corners and are arranged symmetrically in pairs. The four through holes which are symmetrical in pairs are arranged, so that the PCB stator plates which need to be pasted and pressed can be conveniently taken and placed in different directions.

As shown in fig. 3, the middle of the upper cover 20 has a concave structure 23, an outer protrusion 24 is provided at the center of the concave structure 23, and the clearance hole 22 extends into the outer protrusion 24. The concave structure 23 of the upper cover 20 reduces the weight of the upper cover 20 for easy operation. The concave structure 23 is a conical structure with a narrow bottom and a wide outer part. The tapered concave structure 23 increases the strength of the rim of the upper cap 20. A plurality of reinforcing ribs 25 are arranged between the outer bulge 24 and the bottom of the concave structure 23. The ribs 25 increase the strength of the connection between the outer protrusion 24 and the bottom of the inner recess 23.

As shown in fig. 3 and 4, the edge of the upper cover 20 has notches 26 penetrating through the concave structure 23, the notches 26 are trapezoidal structures with narrow bottoms and wide outer portions, the number of the notches 26 is four, the notches 26 are symmetrically arranged in pairs, and each notch 26 corresponds to a through hole 13 of the base 10. The weight of the upper cover is reduced due to the arrangement of the four notches, the operation is convenient, and the strength of the edge of the upper cover is ensured due to the trapezoidal notches.

As shown in fig. 2, 3 and 5, the multi-layer PCB stator plate pasting jig is used as follows:

1. the first rubber pad 40 is placed on the plane of the concave cavity 11 of the base 10;

2. placing the lower layer of PCB stator board 60;

3. brushing an adhesive on the outer surface of the lower PCB stator plate 60;

4. adjusting the position of another layer of PCB stator plate 60 to be adhered, and placing the other layer of PCB stator plate 60 on the outer surface of the lower layer of PCB stator plate 60;

5. the second rubber mat 50 is placed on the outer surface of the upper PCB stator plate 60;

6. covering the upper cover 20, wherein the surface of the boss 21 of the upper cover 20 is pressed on the second rubber gasket 50;

7. the screw rods 30 are respectively connected to the threaded holes of the base 10 through the through holes of the upper cover 20, the screw rods 30 are symmetrically and alternately locked, the uniform gap between the base 10 and the edge of the upper cover 20 is determined, and the pressing force between the PCB stator plates 60 which are pressed together and the flatness of the PCB stator plates 60 are ensured;

8. standing for a period of time until the adhesive is cured, and completing the pressing process of the PCB stator plate 60;

9. the pasting and the pressing of the PCB stator plates 60 of other layers are completed according to the steps.

The above-mentioned embodiments are merely provided for convenience of illustration of the present invention and are not intended to be limiting in form; those skilled in the art should understand that they can easily make various changes and modifications to the disclosed embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a anchor clamps are pasted to multilayer PCB stator board which characterized in that includes:

the edge and the central part of the base and the upper cover are connected through the screw rods, and the lug boss of the upper cover compresses the PCB stator plate to be adhered.

2. The multi-layer PCB stator plate pasting jig of claim 1, further comprising a first rubber pad and a second rubber pad, wherein the center of the first rubber pad is located on the plane of the concave cavity through the positioning column, and the center of the second rubber pad is located on the surface of the outer layer PCB stator plate through the positioning column.

3. The jig for sticking a stator plate to a multi-layer PCB as claimed in claim 1 or 2, wherein the base has a through hole formed at an edge thereof, the through hole communicating with the cavity.

4. The jig for affixing a stator plate of a multi-layered PCB as claimed in claim 3, wherein the number of the through holes is four, and two of the through holes are symmetrically disposed.

5. The multi-layer PCB stator plate pasting fixture as claimed in claim 1, wherein the middle part of the upper cover is provided with a concave structure, an outer protrusion is arranged at the center of the concave structure, and the clearance hole extends into the outer protrusion.

6. The multi-layer PCB stator plate pasting jig of claim 5, wherein said concave structure is a tapered structure with a narrow bottom and a wide outside.

7. The multi-layer PCB stator plate pasting jig of claim 5, wherein a plurality of ribs are provided between said outer protrusions and said bottom of said inner concave structure.

8. The multi-layer PCB stator plate pasting jig of claim 5, wherein the edge of the upper cover is provided with a notch penetrating to the concave structure, and the notch is in a trapezoidal structure with a narrow bottom and a wide outer part.

9. The jig for affixing a stator plate to a multi-layered PCB as recited in claim 8, wherein said notches are four, and are symmetrically disposed in pairs.