CN219881661U - 5G ceramic filter welding frock - Google Patents

Abstract

The utility model discloses a 5G ceramic filter welding tool which is used for welding a plurality of ceramic blocks on a PCB board of a ceramic block to be welded at one time, and comprises a base, a limiting elastic piece, a supporting seat and a gland which are sequentially arranged, wherein the limiting elastic piece is arranged on the base, the upper end of the limiting elastic piece penetrates through the supporting seat and the PCB board and extends to the side surface of the ceramic block, and the limiting elastic piece is arranged in one-to-one correspondence with the ceramic block and is configured to limit the ceramic block arranged on the PCB board; the support seat is configured to bear the PCB, and the ceramic block and the PIN needle to be welded with the PCB; the gland is disposed over the ceramic block, which is configured to press the ceramic block onto the PCB board. The utility model can reduce the defective rate of the shape and position size of the welded product and has low cost.

Description

5G ceramic filter welding frock

Technical Field

The utility model relates to the technical field of filters, in particular to a welding tool for a 5G ceramic filter.

Background

Ceramic filters have become one of the important components of a 5G MIMO (Multi Input Multi Output, multiple input multiple output) communication base station, and since the 5G MIMO antennas are all in an array form, 32 or 64 ceramic filters are typically applied to an AFU (Antenna Filter Units, integrated antenna filter) antenna. Since a plurality of filters need to be pasted at the same time, if one side of welding failure occurs, the whole AFU antenna is bad. Therefore, in the processing of the AFU antenna, the requirements on the shape and size of the filter are very strict.

The ceramic filter is generally composed of a ceramic body, a PIN needle and a PCB lining board, and the problem encountered by the current ceramic filter manufacturing enterprises is large fluctuation of welding yield. The defective shape and position size of the welded product is the highest in defective rate, so that the product cost is increased, and the market competitiveness of the product is reduced.

The foregoing background is only for the purpose of aiding in the understanding of the principles and concepts of the present utility model and is not necessarily related to the prior art or the technical teachings of the present application; the above background should not be used to assess the novelty and creativity of the present utility model in the event that no clear evidence indicates that such is already disclosed prior to the filing date of the present patent application.

Disclosure of Invention

The utility model aims to provide a 5G ceramic filter welding tool which can reduce the defective rate of the shape, position and size of a welded product and has low cost.

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

the utility model provides a 5G ceramic filter welding frock, is used for the frock of a plurality of ceramic blocks of last welding of PCB board of waiting to weld ceramic block, the frock includes base, spacing shell fragment, supporting seat and the gland that sets gradually, wherein, spacing shell fragment sets up on the base, spacing shell fragment with base structure as an organic whole or split structure, the upper end of spacing shell fragment passes supporting seat and PCB board and extend to the side of ceramic block, and spacing shell fragment with the ceramic block one-to-one sets up, and it is configured to carry out spacingly to the ceramic block that sets up on the PCB board;

the supporting seat is configured to bear the PCB, and a ceramic block and a PIN needle to be welded with the PCB;

the gland is disposed above the ceramic block and is configured to press the ceramic block against the PCB board.

Further, according to any one or a combination of the above-mentioned technical solutions, the pressing cover is provided with a plurality of elastic members, and the elastic members are arranged in one-to-one correspondence with the ceramic blocks and are configured to press the ceramic blocks toward the PCB.

Further, according to any one or a combination of the foregoing technical solutions, the elastic member includes a pressing rod and a spring, a middle portion of the pressing rod passes through the pressing cover and can slide up and down along the pressing cover, two ends of the pressing rod are provided with bosses, the spring is disposed between a lower bottom surface of the pressing cover and an upper surface of the boss at a lower end of the pressing rod, and the spring is in a compressed state.

Further, according to any one or a combination of the foregoing aspects, the limiting spring is made of a metal material.

Further, in any one or a combination of the foregoing technical solutions, a thickness of the side wall of the limiting elastic sheet ranges from 0.3 to 0.8mm.

Further, according to any one or a combination of the above-mentioned technical solutions, the limiting elastic sheet is fixed on the base through a screw;

be equipped with a plurality of first recesses on the base, be equipped with a plurality of groups screw holes in the first recess, spacing shell fragment bottom is equipped with a set of first through-hole, and first through-hole and a set of screw hole one-to-one sets up, the screw passes first through-hole with screw hole threaded connection.

Further, in any one or a combination of the foregoing aspects, the support base is provided with a second groove, and the second groove is configured to accommodate the PCB board, and has a shape and a size corresponding to those of the PCB board; and/or the number of the groups of groups,

the lower part of the side wall of the limiting elastic sheet is of a vertical structure, and the upper part of the side wall of the limiting elastic sheet is provided with an outward expansion structure.

Further, according to any one or a combination of the foregoing technical solutions, the supporting seat is provided with a second through hole through which the limiting elastic sheet passes, and the PCB board is provided with a third through hole (51) through which the limiting elastic sheet passes.

Further, according to any one or a combination of the above-mentioned technical solutions, the support seat and the gland are fixedly connected through a screw assembly; the supporting seat is detachably connected with the base through the guide post.

Further, according to any one or a combination of the foregoing technical solutions, a group of fourth through holes and a group of fifth through holes are provided on the support base, a sixth through hole corresponding to the fourth through hole is provided on the gland, and a seventh through hole corresponding to the fifth through hole is provided on the base.

The technical scheme provided by the utility model has the following beneficial effects:

a. according to the welding tool provided by the utility model, the ceramic block is limited by the limiting elastic sheet, so that the relative shape and position size between the ceramic block and the PCB can be ensured, and a limiting structure is not required to be arranged on the supporting seat for limiting the ceramic block, so that the tool cost is reduced;

b. in the welding tool provided by the utility model, the ceramic block is limited by the limiting elastic piece, and is pressed on the PCB by the elastic piece arranged on the pressing cover, so that the difference of the shape and position dimensions of the product caused by thermal expansion and cold contraction of the material in welding can be avoided, and the shape and position dimension defective rate of the product after welding is reduced;

c. the limiting elastic sheet is made of metal materials and has the thickness of 0.3-0.8mm, so that the elasticity of the limiting elastic sheet meets the use requirement and has good service life.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is an exploded schematic view of a ceramic filter welding tool provided by an exemplary embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a ceramic filter welding tool according to an exemplary embodiment of the present utility model;

FIG. 3 is a schematic top view of a ceramic filter welding tool according to an exemplary embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken in the direction A-A of FIG. 3;

FIG. 5 is a perspective view of a base provided in an exemplary embodiment of the present utility model;

fig. 6 is a schematic perspective view of a limiting spring according to an exemplary embodiment of the present utility model.

Wherein, the reference numerals include: the PIN comprises a base, a first groove, a 12-threaded hole, a 13-seventh through hole, a 2-limiting elastic piece, a 21-first through hole, a 3-supporting seat, a 31-second groove, a 32-second through hole, a 33-fourth through hole, a 34-fifth through hole, a 4-gland, a 41-compression bar, a 42-spring, a 43-sixth through hole, a 5-PCB, a 51-third through hole, a 6-ceramic block and a 7-PIN needle.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.

In one embodiment of the present utility model, referring to fig. 1 to 4, a 5G ceramic filter welding tool is provided, which is used for welding a plurality of ceramic blocks 6 on a PCB board 5 to be welded with ceramic blocks, the welding tool includes a base 1, a plurality of limiting elastic pieces 2, a supporting seat 3 and a gland 4 sequentially arranged from bottom to top, the PCB board 5, the ceramic blocks 6 to be welded with the PCB board 5 and PIN needles 7 are arranged on the supporting seat 3, and each ceramic block 6 is limited by the limiting elastic piece 2.

Referring to fig. 1 and 4, the limiting spring plate 2 is disposed on the base 1. In one embodiment of the present utility model, the limiting spring 2 is fixed on the base 1 by a screw. Specifically, referring to fig. 1, 4, 5 and 6, a plurality of first grooves 11 are formed in the base 1, a plurality of groups of threaded holes 12 are formed in the first grooves 11, a plurality of first through holes 21 are formed in the bottom of the limiting elastic sheet 2, the first through holes 21 are arranged in one-to-one correspondence with a plurality of the threaded holes 12, and the screws penetrate through the first through holes 21 and are in threaded connection with the threaded holes 12, so that the limiting elastic sheet 2 is fixed on the base 1.

In this embodiment, the upper end of the limiting elastic piece 2 passes through the supporting seat 3 and the PCB board 5 and extends to the side surface of the ceramic block 6, and the limiting elastic piece 2 and the ceramic block 6 are arranged in one-to-one correspondence. The limiting spring plate 2 is configured to limit the ceramic block 6 disposed on the PCB 5, referring to fig. 4 and 6, the limiting spring plate 2 is an annular thin-wall structure with a plurality of open slots, the cross-sectional shape of the annular thin-wall structure corresponds to the cross-sectional shape of the ceramic block 6, and the inner wall of the annular thin-wall structure is configured to be attached to the peripheral outer side walls of the ceramic block 6. Preferably, the limiting elastic sheet 2 is made of a metal material, and the thickness range of the limiting elastic sheet 2 is 0.3-0.8mm, so that the elasticity of the limiting elastic sheet 2 can be ensured to meet the use requirement, and the service life of the limiting elastic sheet can be ensured. The supporting seat 3 is provided with a second through hole 32 for the limiting elastic sheet 2 to pass through, and the PCB 5 is provided with a third through hole 51 for the limiting elastic sheet 2 to pass through.

Referring to fig. 1 and 4, the supporting seat 3 is configured to bear the PCB 5, and the ceramic block 6 and PIN 7 to be soldered with the PCB 5, and the supporting seat 3 is provided with a second groove 31, and the second groove 31 is configured to accommodate the PCB 5, and has a shape and a size corresponding to those of the PCB 5. In practical application, the PCB 5 is placed in the second groove 31, and the limiting spring 2 correspondingly passes through the third through hole 51 on the PCB 5. And a plurality of groups of pre-assembled ceramic blocks 6 and PIN needle 7 assemblies are placed in the limiting elastic pieces 2 in a one-to-one correspondence manner, and the relative shape and size between the ceramic blocks 6 and the PCB 5 are ensured through the limiting elastic pieces 2.

The gland 4 is arranged above the ceramic block 6 and is fixedly connected with the gland 4 through a screw assembly. Four corners of the supporting seat 3 are provided with fourth through holes 33, the gland 4 is provided with sixth through holes 43 corresponding to the fourth through holes 33, and bolts can be adopted to penetrate through the fourth through holes 33 and the sixth through holes 43 and fastened by nuts; alternatively, the fourth through hole 33 is a threaded hole, and a screw is inserted through the sixth through hole 43 and fastened in the fourth through hole 33.

In this embodiment, the pressing cover 4 is configured to press the ceramic block 6 against the PCB board 5. The gland 4 is provided with a plurality of elastic pieces, the elastic pieces are arranged in one-to-one correspondence with the ceramic blocks 6, and the elastic pieces are configured to press the ceramic blocks 6 towards the direction of the PCB 5. As shown in fig. 1 and 4, the elastic member includes a pressing rod 41 and a spring 42, the middle portion of the pressing rod 41 passes through the pressing cover 4 and can slide up and down along the pressing cover 4, bosses are provided at both ends of the pressing rod 41, the spring 42 is disposed between the lower bottom surface of the pressing cover 4 and the upper surface of the boss at the lower end of the pressing rod 41, and the spring 42 is in a compressed state. When the pressing cover 4 is connected with the supporting seat 3, the spring 42 has a pressure towards the ceramic blocks 6 on the pressing rod 41, so that each ceramic block 6 is pressed on the PCB 5. Of course, the embodiments of the present disclosure include, but are not limited to, other implementations of the elastic member described above are also possible, and the scope of the present disclosure is not limited thereto.

In this embodiment, the support base 3 and the base 1 are connected in a quick-release and quick-assembly manner. Specifically, the support base 3 is provided with a group of fifth through holes 34, the base 1 is provided with a seventh through hole 13 corresponding to the fifth through hole 34, and the support base 3 and the base 1 are connected by passing through the fifth through hole 34 and the seventh through hole 13 through a guide post; or, the support base 3 is provided with a group of fifth through holes 34, the base 1 is provided with guide posts corresponding to the fifth through holes 34, and the guide posts correspondingly pass through the fifth through holes 34. In practical application, after the gland 4 is connected with the supporting seat 3, the base 1 and the limiting spring piece 2 are removed from the supporting seat 3, and the supporting seat 3, the gland 4, the PCB 5, the ceramic block 6 and the PIN needle 7 arranged between the supporting seat and the gland enter reflow soldering equipment together for reflow soldering. Compared with the traditional tool, the welding tool does not need to arrange a limiting structure on the supporting seat 3 for limiting the ceramic blocks, so that the tool cost is reduced; in addition, this welding frock adopts spacing shell fragment 2 with the elastic component is right ceramic block 6 is spacing, when can guarantee the ceramic block 6 with the relative shape and position size between the PCB board 5 also avoids the difference of product shape and position size that causes because of the expend with heat and contract with cold of material in the welding.

In another embodiment of the present utility model, unlike the above embodiment in which the limiting spring 2 and the base 1 are in a separate structure, in this embodiment, the limiting spring 2 and the base 1 are integrated, and may be manufactured into an integrated piece by CNC processing. The limiting elastic sheet 2 and the base 1 provided in the embodiment adopt an integral structure, and are suitable for the ceramic blocks to be welded to be high-precision ceramic blocks.

It is noted that 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the embodiments of this utility model and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the utility model, and it is intended to cover all modifications and variations as fall within the scope of the utility model.

Claims (10)

1. The utility model provides a 5G ceramic filter welding frock for wait to weld frock of a plurality of ceramic blocks (6) on PCB board (5) of ceramic block last time, its characterized in that, frock includes base (1), spacing shell fragment (2), supporting seat (3) and gland (4) that set gradually, wherein, spacing shell fragment (2) set up on base (1), spacing shell fragment (2) with base (1) integrated structure or components of a whole that can function independently structure, the upper end of spacing shell fragment (2) passes supporting seat (3) and PCB board (5) and extend to the side of ceramic block (6), and spacing shell fragment (2) with ceramic block (6) one-to-one sets up, and it is configured to spacing ceramic block (6) that are arranged on PCB board (5);

the supporting seat (3) is configured to bear the PCB (5) and a ceramic block (6) and a PIN needle (7) to be welded with the PCB (5);

the gland (4) is arranged above the ceramic block (6) and is configured to press the ceramic block (6) onto the PCB board (5).

2. The 5G ceramic filter welding fixture according to claim 1, wherein a plurality of elastic members are arranged on the gland (4), and the elastic members are arranged in one-to-one correspondence with the ceramic blocks (6) and are configured to press the ceramic blocks (6) towards the direction of the PCB board (5).

3. The 5G ceramic filter welding fixture according to claim 2, wherein the elastic member comprises a pressing rod (41) and a spring (42), the middle part of the pressing rod (41) passes through the pressing cover (4) and can slide up and down along the pressing cover (4), bosses are arranged at two ends of the pressing rod (41), the spring (42) is arranged between the lower bottom surface of the pressing cover (4) and the upper surface of the boss at the lower end of the pressing rod (41), and the spring (42) is in a compressed state.

4. The 5G ceramic filter welding fixture according to claim 1, wherein the limiting spring plate (2) is made of a metal material.

5. The 5G ceramic filter welding fixture according to claim 1, wherein the thickness of the side wall of the limiting spring piece (2) ranges from 0.3 to 0.8mm.

6. The welding fixture of the 5G ceramic filter according to claim 1, wherein the limiting shrapnel (2) is fixed on the base (1) through a screw;

be equipped with a plurality of first recesses (11) on base (1), be equipped with a plurality of groups screw hole (12) in first recess (11), spacing shell fragment (2) bottom is equipped with a set of first through-hole (21), and first through-hole (21) and a set of screw hole (12) one-to-one sets up, the screw passes first through-hole (21) with screw hole (12) threaded connection.

7. The 5G ceramic filter welding fixture according to claim 1, characterized in that the support base (3) is provided with a second groove (31), the second groove (31) is configured to accommodate the PCB board (5), and the shape and size of the second groove correspond to those of the PCB board (5); and/or the number of the groups of groups,

the lower part of the side wall of the limiting elastic sheet (2) is of a vertical structure, and the upper part of the side wall of the limiting elastic sheet is provided with an outwards-expanded structure.

8. The welding fixture of the 5G ceramic filter according to claim 1, wherein the supporting seat (3) is provided with a second through hole (32) for the limiting shrapnel (2) to pass through, and the PCB board (5) is provided with a third through hole (51) for the limiting shrapnel (2) to pass through.

9. The 5G ceramic filter welding fixture according to claim 1, wherein the support base (3) and the gland (4) are fixedly connected by a screw assembly; the supporting seat (3) is detachably connected with the base (1) through a guide post.

10. The welding fixture of the 5G ceramic filter according to claim 9, wherein the supporting seat (3) is provided with a group of fourth through holes (33) and a group of fifth through holes (34), the gland (4) is provided with a sixth through hole (43) corresponding to the fourth through holes (33), and the base (1) is provided with a seventh through hole (13) corresponding to the fifth through holes (34).