CN116197593A - 5G ceramic filter welding tool and welding method - Google Patents

Abstract

The utility model discloses a welding tool and a welding method of a 5G ceramic filter, wherein the welding tool comprises a first part, a second part and a third part, the first part and the second part are oppositely arranged, and the first part and the second part are configured to press a PCB to be welded and a ceramic block together; the third component is detachably connected with the first component or the second component, a plurality of limiting pieces which are arranged in one-to-one correspondence with the ceramic blocks are arranged on the third component, one end of each limiting piece penetrates through the PCB and extends to the side face of each ceramic block, and the limiting pieces are configured to limit the relative positions of the PCB and the ceramic blocks; the third component is further configured to be removed from the product to be soldered after positioning the PCB board and the ceramic block and before the product to be soldered enters the soldering apparatus. The utility model can improve the welding precision of the ceramic filter, improve the production efficiency and reduce the production cost.

Description

5G ceramic filter welding tool and welding method

Technical Field

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

Background

Ceramic filters have become one of the important components of 5GMIMO (multiple input multiple output) communication base stations, and since the 5GMIMO antennas are all in an array form, 32 or 64 ceramic filters are typically applied to one-sided AFU (antenna filter units) antennas. 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 PCB lining plate, a ceramic body and a PIN needle, and the problem encountered by the current ceramic filter manufacturing enterprises is large welding yield fluctuation. 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 application without explicit evidence that the above-mentioned content was disclosed prior to the filing date of the present patent application.

Disclosure of Invention

The utility model aims to provide a welding tool and a welding method for a 5G ceramic filter, which can improve the welding precision of the ceramic filter, improve the production efficiency and reduce the production 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, includes first part, second part and third part, wherein, first part and second part are relative to be set up, and the PCB board that waits to weld and ceramic block set up between first part and the second part, first part and second part are configured to press together PCB board and the ceramic block;

the third component is detachably connected with the first component or the second component and is configured to position the PCB and the ceramic block before welding products, a plurality of limiting pieces which are arranged in one-to-one correspondence with the ceramic blocks are arranged on the third component, one end of each limiting piece penetrates through the PCB and extends to the side face of each ceramic block, and the limiting pieces are configured to limit the relative positions of the PCB and the ceramic blocks;

the third component is further configured to be removed from the product to be soldered after positioning the PCB board and the ceramic block and before the product to be soldered enters the soldering apparatus.

Further, in the foregoing any one or combination of the foregoing aspects, a lower portion of an inner side surface of the limiting member is a vertical structure configured to be attached to an outer side surface around the ceramic block;

alternatively, the upper part of the limiting piece is provided with an outward expansion structure.

Further, according to any one or a combination of the foregoing technical solutions, the first component is provided with a plurality of elastic members, and the elastic members are arranged in one-to-one correspondence with the ceramic blocks and configured to compress the ceramic blocks toward the PCB board.

Further, according to any one or a combination of the foregoing aspects, the elastic member includes a pressing rod and a spring, a middle portion of the pressing rod passes through the first member and can slide up and down along the first member, two ends of the pressing rod are provided with bosses, the spring is disposed between a lower bottom surface of the first member 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 above-mentioned technical solutions, one end of the limiting member extending to the ceramic block is an annular sheet structure, the cross-sectional shape of the limiting member corresponds to the cross-sectional shape of the ceramic block, and a plurality of open slots are formed in the annular sheet structure; and/or the number of the groups of groups,

the limiting piece is made of a metal material, and the thickness of the side wall of the limiting piece ranges from 0.3 mm to 0.8mm.

Further, according to any one or a combination of the above technical solutions, the third component further comprises a base, the limiting piece is fixedly arranged on the base through a screw, a plurality of first grooves are formed in the base, a plurality of groups of threaded holes are formed in the first grooves, a plurality of first through holes are formed in the bottom of the limiting piece, the first through holes are in one-to-one correspondence with a plurality of threaded holes, and the screw penetrates through the first through holes and is in threaded connection with the threaded holes.

Further, in combination with any one or more of the foregoing aspects, the third component further includes a base, the limiting member is disposed on the base, and the limiting member and the base are an integral member.

Further, in any one or a combination of the foregoing aspects, the second component 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 the PCB board; and/or the number of the groups of groups,

the first component and the second component are fixedly connected through a screw assembly, the first component is provided with a second through hole, and the second component is provided with a third through hole (23) which corresponds to the second through hole one by one; and/or the number of the groups of groups,

the third component is connected with the first component and/or the second component through a plurality of guide posts.

According to another aspect of the present utility model, there is provided a 5G ceramic filter welding method using the 5G ceramic filter welding tool as described above, the welding method comprising:

assembling the second component to the third component with the stop passing through the second component;

assembling the PCB onto the second component, and enabling the limiting piece to penetrate through the PCB;

placing the ceramic blocks and the limiting pieces on the PCB in one-to-one correspondence, wherein the position of each ceramic block relative to the PCB is limited by the limiting pieces, and PIN needles are preloaded on the ceramic blocks according to process requirements;

placing the first component on the ceramic block and fixing the first component and the second component so that the first component presses the ceramic block on the PCB;

removing the third component from the second component;

the first component, the second component, the PCB arranged between the first component and the second component, the ceramic block and the PIN needle are put into welding equipment together for welding;

after the welding is completed, the first part and the second part are removed from the welded product.

According to another aspect of the present utility model, there is provided a 5G ceramic filter welding method using the 5G ceramic filter welding tool as described above, the welding method comprising:

assembling the first component to the third component with the stop passing through the first component;

placing the ceramic blocks and the limiting pieces on the third component in one-to-one correspondence, wherein the positions of the ceramic blocks on the limiting pieces are limited by the limiting pieces, and PIN needles are preloaded on the ceramic blocks according to technological requirements;

assembling the PCB onto the ceramic block, wherein the limiting piece penetrates through the PCB and limits the relative positions of the PCB and the ceramic block;

placing the second component on the PCB, and fixing the first component and the second component so that the second component presses the PCB on the ceramic block;

removing the third component from the first component;

the first component, the second component, the PCB arranged between the first component and the second component, the ceramic block and the PIN needle are put into welding equipment together for welding;

after the welding is completed, the first part and the second part are removed from the welded product.

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 relative positions of the ceramic block and the PCB are limited through the limiting piece arranged on the third component, so that the relative shape and position precision between the ceramic block and the PCB can be ensured, and the welding tool can be removed from a product to be welded before the product enters the welding equipment for welding, so that the problem that the product to be welded and the tool are different in shape and position size due to expansion and contraction of different materials with different thermal expansion coefficients along with temperature change in the product welding process can be solved, and the welding precision and qualification rate of the product are further effectively improved;

b. in the ceramic filter welding process, the ceramic filter welding tool provided by the utility model can increase the number of jointed boards of the PCB part, so that the purchasing cost of the PCB can be reduced, and the production efficiency can be improved;

c. according to the ceramic filter welding tool provided by the utility model, the limiting structure is not required to be arranged on the second component for limiting the ceramic block, and one third component can be matched with a plurality of first components and second components for use, so that the tool cost can be reduced;

d. the limiting piece adopted by the utility model is made of metal materials, and the wall thickness of the limiting piece is between 0.3 and 0.8mm, so that the limiting piece can meet the positioning requirement of a low-precision ceramic block and has good service life.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 application, and other drawings may be obtained according to these drawings without inventive effort for a person 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 member according to an exemplary embodiment of the present utility model;

FIG. 7 is a flowchart of a first ceramic filter welding method provided by an exemplary embodiment of the present utility model;

fig. 8 is a flowchart of a second ceramic filter welding method according to an exemplary embodiment of the present utility model.

Wherein, the reference numerals include: 1-first part, 11-compression bar, 12-spring, 13-second through hole, 14-eighth through hole, 2-second part, 21-second groove, 22-fourth through hole, 23-third through hole, 24-fifth through hole, 3-third part, 31-stopper, 311-first through hole, 312-open slot, 32-base, 321-first groove, 322-threaded hole, 323-sixth through hole, 4-PCB board, 41-seventh through hole, 5-ceramic block, 6-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, a 5G ceramic filter soldering fixture is provided for soldering a plurality of ceramic blocks 5 on a PCB board 4 to be soldered, referring to fig. 1 to 4, the soldering fixture includes a first part 1, a second part 2 and a third part 3. The first component 1 and the second component 2 are oppositely arranged, the PCB 4 to be welded and the ceramic block 5 are arranged between the first component 1 and the second component 2, and the first component 1 and the second component 2 are configured to be pressed together by the PCB 4, the ceramic block 5 and the PIN needle according to the technological requirements of products. The third component 3 is configured to be detachably connected with the first component 1 or the second component 2, and defines the relative positions of the PCB 4 and the ceramic block 5, so that the shape and dimension therebetween meet the process requirements. In one embodiment of the utility model, the third part 3 is connected to the first part 1 and/or the second part 2 by means of guide posts. Referring to fig. 1, the base 32 is provided with a sixth through hole 323 for installing the guide post, and the second member is provided with a fifth through hole 24 for the guide post to pass through, or the first member 1 is provided with a through hole for the guide post to pass through.

In the present embodiment, referring to fig. 1, 4, 5 and 6, the third member 3 includes a stopper 31 and a base 32. The limiting piece 31 and the base 32 are of a split structure, and the limiting piece 31 is fixedly arranged on the base 32 through a screw assembly. The base 32 is provided with a plurality of first grooves 321 for accommodating the limiting members 31, and a plurality of groups of threaded holes 322 are formed in the first grooves 321, as shown in fig. 5, the number of the threaded holes 322 in each group is two; the bottom of the limiting member 31 is provided with a set of first through holes 311, as shown in fig. 6, the number of each set of first through holes 311 is two, the first through holes 311 are in one-to-one correspondence with a set of threaded holes 322, and the screws penetrate through the first through holes 311 and are in threaded connection with the threaded holes 322. Of course, for large-sized ceramic blocks, the number of the screw holes 322 and the first through holes 311 per set may be more than two.

The position of the limiting piece 31 on the third component 3 should meet that when the third component 3 is connected with the first component 1 or the second component 2, the position of the limiting piece 31 corresponds to the position of the ceramic block 5 on the PCB board one by one. The limiting piece 31 is configured to limit the relative positions of the PCB 4 and the ceramic block 5, one end of the limiting piece passes through the PCB 4 and extends to the side surface of the ceramic block 5, the side wall of the limiting piece 31 is divided into an upper part and a lower part, the inner side surface of the side wall of the lower part is of a vertical structure and is configured to be attached to the peripheral outer side surface of the ceramic block 5, and the shape and position precision of the PCB 4 and the ceramic block 5 can meet the process requirement of +/-0.05 mm through the limiting piece 31; the side wall of the upper part has an outwardly extending structure which serves as a guide, i.e. facilitates the entry of the ceramic block 5 into the stop 31. Correspondingly, the PCB 4 is provided with a seventh through hole 41 through which the limiting member 31 passes, the second component 2 is provided with a fourth through hole 22 through which the limiting member 31 passes, and the first component 1 is provided with an eighth through hole 14 through which the limiting member 31 passes.

In this embodiment, referring to fig. 6, one end of the limiting member 31 extending to the ceramic block 5 is an annular sheet structure, and the cross-sectional shape of the annular sheet structure corresponds to the cross-sectional shape of the ceramic block 5, and a plurality of open slots 322 are formed in the annular sheet structure. The stopper 31 is made of a metal material and has a sidewall thickness ranging from 0.3 to 0.8mm. The limiting piece 31 can be guaranteed to have certain elasticity, the ceramic blocks with low precision can be positioned, and the service life of the limiting piece can be guaranteed.

In this embodiment, referring to fig. 1, the second component 2 is provided with a second groove 21, and the second groove 21 is configured to accommodate the PCB 4, and has a shape and a size corresponding to those of the PCB 4. After the PCB 4 to be welded, the ceramic block 5 and the PIN needle are placed between the first component 1 and the second component 2 according to the technological requirements, the first component 1 and the second component 2 are fixedly connected through screw assemblies, a second through hole 13 for installing the screw assemblies is formed in the first component 1, and a third through hole 23 for installing the screw assemblies, which corresponds to the second through holes 13 one by one, is formed in the second component 2.

Referring to fig. 1 and 4, the first component 1 is provided with a plurality of elastic members, and the elastic members are arranged in one-to-one correspondence with the ceramic blocks 5 and configured to press the ceramic blocks 5 toward the PCB 4. In one embodiment of the present utility model, the elastic member includes a pressing rod 11 and a spring 12, the middle portion of the pressing rod 11 passes through the first member 1 and can slide up and down along the first member 1, bosses are provided at both ends of the pressing rod 11, the spring 12 is disposed between the lower bottom surface of the first member 1 and the upper surface of the boss at the lower end of the pressing rod 11, and the spring 12 is in a compressed state. Of course, the embodiments of the present disclosure include, but are not limited to, other implementations of the elastic member may be used, and the scope of the present disclosure is not limited thereto.

In the filter welding process, all parts and tools of a product to be welded are difficult to be made of the same material in practical application, namely, the thermal expansion coefficients of different materials are different, and the welding operation is performed at high temperature, and the expansion and contraction of different materials are different in the process of normal temperature, high temperature and normal temperature, so that the problems that the welding shape and position with high precision are difficult to realize or the welding qualification rate is low are caused. The utility model provides a ceramic filter welding tool, wherein before a product enters welding equipment for welding, a part 3 is configured to limit the relative positions of a PCB and a ceramic block, and after the PCB and the ceramic block to be welded are fixed through a first part 1 and a second part 2, the part 3 is detached from the first part 1 or the second part 2; the first part 1 or the second part 2 and the product to be welded arranged between them are then placed in a welding device for welding. Compared with the traditional tool, the welding tool does not need to be provided with a limiting structure on the second component 2 for limiting the ceramic block, the tool cost is reduced, and in the welding process of the product, the ceramic block 5 is limited by the limiting structure, and the distance between the top end of the ceramic block 5 and the first component 1 is adjustable through the elastic component. Therefore, the welding tool provided by the utility model can solve the problem of difference of product shape and position dimensions caused by thermal expansion and cold contraction of materials, and further effectively improve the accuracy and qualification rate of product welding; in addition, through the ceramic filter welding tool provided by the utility model, the number of jointed boards of the PCB part can be increased, so that the purchasing cost of the PCB can be reduced, and the production efficiency can be improved.

The present utility model does not solve the problem of precision of the ceramic block 5, but provides two structures of the component 3 in consideration of the influence of the precision of the ceramic block 5 on the operability and the operation result of the welding tool provided by the present utility model. If the precision of the ceramic block 5 is not high, the limiting member 31 and the base 32 provided in the above embodiment are in a split structure. If the precision of the ceramic block 5 is high, the limiting member 31 and the base 32 may be an integral structure, in addition to the split structure provided in the above embodiment. Therefore, in another embodiment of the present utility model, unlike the above embodiment, the limiting member 31 and the base 32 are separate structures, the limiting member 31 and the base 32 may be manufactured as a single piece by CNC machining.

In one embodiment of the present utility model, there is provided a 5G ceramic filter welding method for product welding using the 5G ceramic filter welding tool described in the above embodiment, referring to fig. 7, the welding method including:

assembling the second part 2 to the third part 3 with the stop 31 passing through the second part 2;

assembling the PCB 4 to the second component 2, and enabling the limiting piece 31 to penetrate through the PCB 4;

placing the ceramic blocks 5 and the limiting pieces 31 on the PCB 4 in one-to-one correspondence, wherein the position of each ceramic block 5 relative to the PCB 4 is limited by the limiting pieces 31, and PIN needles 6 are preassembled on the ceramic blocks 5 according to process requirements;

placing the first component 1 on the ceramic block 5 and fixing the first component 1 and the second component 2 such that the first component 1 presses the ceramic block 5 against the PCB board 4;

removing the third part 3 from the second part 2;

the first component 1, the second component 2, the PCB 4 arranged between the first component 1 and the second component 2, the ceramic block 5 and the PIN needle 6 are put into a welding device together for welding;

after the welding is completed, the first part 1 and the second part 2 are removed from the welded product.

It should be noted that, other assembly modes exist in practical application of the welding tool for the 5G ceramic filter. In another embodiment of the present utility model, there is provided a 5G ceramic filter welding method for product welding using the 5G ceramic filter welding tool described in the above embodiment, referring to fig. 8, the welding method including:

fitting the first part 1 to the third part 3 with the stop 31 passing through the first part 1;

placing the ceramic blocks 5 and the limiting pieces 31 on the third component 3 in one-to-one correspondence, wherein the positions of the ceramic blocks 5 on the limiting pieces 31 are limited by the limiting pieces 31, and PIN needles 6 are preloaded on the ceramic blocks 5 according to process requirements;

assembling the PCB 4 onto the ceramic block 5, wherein the limiting piece 31 penetrates through the PCB 4 and limits the relative positions of the PCB 4 and the ceramic block 5;

placing the second part 2 on the PCB 4 and fixing the first part 1 and the second part 2 such that the second part 2 presses the PCB 4 against the ceramic block 5;

removing the third part 3 from the first part 2;

the first component 1, the second component 2, the PCB 4 arranged between the first component 1 and the second component 2, the ceramic block 5 and the PIN needle 6 are put into a welding device together for welding;

after the welding is completed, the first part 1 and the second part 2 are removed from the welded product.

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 exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.

Claims (10)

1. The welding tool for the 5G ceramic filter is characterized by comprising a first component (1), a second component (2) and a third component (3), wherein the first component (1) and the second component (2) are oppositely arranged, a PCB (4) to be welded and a ceramic block (5) are arranged between the first component (1) and the second component (2), and the first component (1) and the second component (2) are configured to press the PCB (4) and the ceramic block (5) together;

the third component (3) is detachably connected with the first component (1) or the second component (2) and is configured to position the PCB (4) and the ceramic block (5) before welding products, a plurality of limiting pieces (31) which are arranged in one-to-one correspondence with the ceramic blocks (5) are arranged on the third component (3), and one end of each limiting piece (31) penetrates through the PCB (4) and extends to the side face of each ceramic block (5) and is configured to limit the relative positions of the PCB (4) and the ceramic blocks (5);

the third component (3) is further configured to be removed from the product to be soldered after positioning the PCB board (4) and the ceramic block (5) and before the product to be soldered enters the soldering apparatus.

2. The welding fixture of the 5G ceramic filter according to claim 1, wherein the lower part of the inner side surface of the limiting member (31) is a vertical structure configured to be attached to the peripheral outer side surface of the ceramic block (5);

alternatively, the upper part of the limiting piece (31) is provided with an outward expansion structure.

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

4. A 5G ceramic filter welding fixture according to claim 3, wherein the elastic member comprises a pressing rod (11) and a spring (12), the middle part of the pressing rod (11) passes through the first component (1) and can slide up and down along the first component (1), bosses are arranged at two ends of the pressing rod (11), the spring (12) is arranged between the lower bottom surface of the first component (1) and the upper surface of the boss at the lower end of the pressing rod (11), and the spring (12) is in a compressed state.

5. The welding fixture of the 5G ceramic filter according to claim 1, wherein one end of the limiting piece (31) extending to the ceramic block (5) is of an annular sheet structure, the cross-sectional shape of the limiting piece corresponds to the cross-sectional shape of the ceramic block (5), and a plurality of open slots (322) are formed in the annular sheet structure; and/or the number of the groups of groups,

the limiting piece (31) is made of a metal material, and the thickness of the side wall of the limiting piece ranges from 0.3 mm to 0.8mm.

6. The welding fixture for the 5G ceramic filter according to claim 1, wherein the third component (3) further comprises a base (32), the limiting piece (31) is fixedly arranged on the base (32) through a screw, a plurality of first grooves (321) are formed in the base (32), a plurality of groups of threaded holes (322) are formed in the first grooves (321), a plurality of groups of first through holes (311) are formed in the bottom of the limiting piece (31), the first through holes (311) are arranged in one-to-one correspondence with one groups of threaded holes (322), and the screw penetrates through the first through holes (311) to be in threaded connection with the threaded holes (322).

7. The 5G ceramic filter welding fixture according to claim 1, wherein the third component (3) further comprises a base (32), the limiting piece (31) is disposed on the base (32), and the limiting piece (31) and the base (32) are an integral piece.

8. The 5G ceramic filter welding fixture according to claim 1, characterized in that the second part (2) is provided with a second groove (21), the second groove (21) being configured to accommodate the PCB board (4), the shape and size of which correspond to the PCB board (4); and/or the number of the groups of groups,

the first component (1) is fixedly connected with the second component (2) through a screw assembly, a second through hole (13) is formed in the first component (1), and third through holes (23) which are in one-to-one correspondence with the second through holes (13) are formed in the second component (2); and/or the number of the groups of groups,

the third component (3) is connected with the first component (1) and/or the second component (2) through a plurality of guide posts.

9. A method for welding a 5G ceramic filter, using the 5G ceramic filter welding tool according to claim 1, the welding method comprising:

-assembling the second part (2) to the third part (3) with the stop (31) passing through the second part (2);

-assembling the PCB (4) to the second component (2) with the limiting member (31) passing through the PCB (4);

placing the ceramic blocks (5) and the limiting pieces (31) on the PCB (4) in one-to-one correspondence, wherein the position of each ceramic block (5) relative to the PCB (4) is limited by the limiting piece (31), and PIN needles (6) are preassembled on the ceramic blocks (5) according to process requirements;

-placing the first component (1) on the ceramic block (5) and fixing the first component (1) and the second component (2) such that the first component (1) presses the ceramic block (5) against the PCB board (4);

-removing the third part (3) from the second part (2);

the first component (1), the second component (2) and the PCB (4), the ceramic block (5) and the PIN needle (6) which are arranged between the first component (1) and the second component (2) are jointly placed into a welding device for welding;

after the welding is completed, the first part (1) and the second part (2) are removed from the welded product.

10. A method for welding a 5G ceramic filter, using the 5G ceramic filter welding tool according to claim 1, the welding method comprising:

-assembling the first part (1) to the third part (3) with the stop (31) passing through the first part (1);

placing the ceramic blocks (5) and the limiting pieces (31) on the third component (3) in one-to-one correspondence, wherein the positions of the ceramic blocks (5) on the limiting pieces (31) are limited by the limiting pieces (31), and PIN needles (6) are preassembled on the ceramic blocks (5) according to process requirements;

-assembling the PCB (4) onto the ceramic block (5), the limiting piece (31) passing through the PCB (4) and defining the relative position of the PCB (4) and the ceramic block (5);

placing the second component (2) on the PCB (4) and fixing the first component (1) and the second component (2) so that the second component (2) presses the PCB (4) on the ceramic block (5);

-removing the third part (3) from the first part (2);

the first component (1), the second component (2) and the PCB (4), the ceramic block (5) and the PIN needle (6) which are arranged between the first component (1) and the second component (2) are jointly placed into a welding device for welding;

after the welding is completed, the first part (1) and the second part (2) are removed from the welded product.

Images