CN219811016U - Circuit board processing test fixture - Google Patents

Abstract

The utility model relates to the field of circuit board jigs, in particular to a circuit board processing and testing jig, which comprises a jig body, wherein the jig body comprises a horizontally arranged bottom plate, a fixing device and a pressing device which are arranged on the bottom plate, a plurality of square accommodating grooves are formed in the bottom plate, a circuit board can be placed in each accommodating groove, and a welding through hole is formed in each accommodating groove; the pressing device comprises a plurality of pressing blocks, the pressing blocks are connected with the bottom plate through elastic components, the pressing blocks are arranged around the corresponding accommodating grooves, rubber pads are bonded at the end parts of the pressing blocks, and the lower surfaces of the rubber pads are abutted against the upper surfaces of the circuit boards placed in the accommodating grooves; the fixing device comprises a supporting frame and an elastic column, the supporting frame is detachably connected with the bottom plate, the upper end of the elastic column is connected with the supporting frame, and the lower end of the elastic column is abutted against the electronic element; the fixture can be used for placing a plurality of circuit boards for welding, can be used for fixing electronic elements on the circuit boards, and improves the welding precision of the electronic elements.

Description

Circuit board processing test fixture

Technical Field

The utility model belongs to the field of circuit board processing jigs, and particularly relates to a circuit board processing test jig.

Background

The term "PCB board" refers to a printed circuit board, also known as a printed circuit board or a printed circuit board, which is an important electronic component that can be used to carry various electronic elements, such as capacitors, inductors, resistors, diodes, connector sockets, etc., and to make connection with specific devices, modules, etc. For example, a circuit board in a telephone set has numerous functions such as signal conversion coating and information storage, and in order to achieve the functions, some electronic components need to be soldered on the circuit board, the electronic components on the circuit board are mainly divided into a plug-in unit and a surface adhesive component, the plug-in unit is an electronic component with plug pins, when the plug-in unit is installed, the plug pins penetrate through the circuit board and then are fixed by reverse side soldering, and soldering generally adopts soldering flux such as solder paste for soldering adhesion. The circuit board of the fixed telephone is an important component, and the quality of the circuit board is directly related to whether the fixed telephone can work normally or not.

The quality of the welding work is directly related to the quality of the circuit board, so that in the welding process, the circuit board is required to be fixed by using a jig, then the electronic component is accurately welded according to the expected welding position, the conventional jig for fixing the circuit board is single in specification and simple in structure, is not suitable for mass production modes with various fixed sizes, and cannot be installed and fixed when circuit boards with different specifications are used, new jigs are required to be customized in addition, and the use requirements of people cannot be well met; in addition, in the welding process, the phenomenon that the electronic components placed on the circuit board are easy to be misplaced, and the phenomenon that some electronic components are poor in welding is caused, so that the rejection rate in the welding process of the circuit board is greatly improved.

Disclosure of Invention

The utility model aims to provide a circuit board processing and testing jig, which is used for solving the technical problems that the jig cannot be applicable to circuit boards with various specifications and electronic components are dislocated and offset in the welding process of the circuit boards.

In order to achieve the above purpose, the specific technical scheme of the circuit board processing test fixture provided by the utility model is as follows:

the jig body comprises a horizontally arranged bottom plate, a fixing device and a pressing device, wherein the fixing device and the pressing device are arranged on the bottom plate, a plurality of square accommodating grooves are formed in the bottom plate, a circuit board can be placed in each accommodating groove, and each accommodating groove is internally provided with a welding through hole which penetrates through the bottom plate;

the compressing device comprises a plurality of movable compressing blocks, the compressing blocks are connected with the bottom plate through elastic components, the elastic components apply force to the compressing blocks, the compressing blocks are arranged around the accommodating grooves, the compressing blocks are arranged at the corresponding positions of at least two sides of each accommodating groove, rubber pads are bonded at the end parts of the compressing blocks, and the lower surfaces of the rubber pads are abutted against the upper surfaces of circuit boards placed in the accommodating grooves;

the fixing device comprises a supporting frame and an elastic column arranged on the supporting frame, the supporting frame is detachably connected with the bottom plate, the upper end of the elastic column is connected with the supporting frame, and the lower end of the elastic column is abutted to the upper end of an electronic element on a circuit board placed in a corresponding accommodating groove.

The accommodating grooves are used for accommodating circuit boards to be welded, the plug pins of the electronic element are positioned at the positions of the welding through holes, each accommodating groove is provided with four compression blocks, the four compression blocks are symmetrically distributed at two opposite side positions of the accommodating groove, and the four compression blocks are abutted with the circuit boards through rubber pads; the support frame is connected with the bottom plate through a movable switch structure and the like, the elastic column is used for fixing the electronic element on the circuit board, the electronic element can be fixed at a preset position of the circuit board, deviation or dislocation of the electronic element in the subsequent welding process is avoided, and the welding quality is improved.

When the technical scheme is used, for example, when the circuit board is fixed on the jig, the pressing blocks are positioned at positions far away from the accommodating grooves, firstly, an operator pushes the circuit board to be welded into the accommodating grooves from outside to inside, then the pressing blocks move towards the positions of the accommodating grooves until all rubber pads on the pressing blocks are abutted against the circuit board, and at the moment, the fixing of the circuit board is completed; installing the support frame, adjusting the elastic columns on the support frame, enabling the lower end of each elastic column to be abutted against the upper end of the electronic element, and finally locking the support frame with the bottom plate, so that the whole clamping work is completed; the finished jig of the circuit board flows into a production line, and waits for the subsequent entering of welding equipment, and the welding equipment welds the circuit board from the welding through hole position of the bottom plate; the length of the accommodating groove is slightly larger than that of the circuit board, when the circuit board is placed, the three sides of the circuit board are abutted against the inner wall of the accommodating groove, so that the circuit board with various length specifications can be installed without customizing jigs with various specifications, and the production cost is saved.

Further, the elastic component includes bolt and first pressure spring, first pressure spring cover is established the outside of bolt, the mounting hole has been seted up to the central point of compact heap, the bolt passes mounting hole and bottom plate fixed connection, the lower extreme of first pressure spring with the up end looks butt of compact heap.

When the circuit board fixing device is used, the first pressure spring is in a compressed state, the first pressure spring applies force to the compression block, the corresponding compression block applies force to the rubber pad, the rubber pad between the circuit board and the compression block is in a compressed state, and the friction force between the circuit board and the rubber pad is increased, so that the circuit board can be better fixed; when the circuit board needs to be taken out, an operator holds the compressing block to lift up, then rotates 90 degrees along the bolt, and then moves the compressing block away from the circuit board, at the moment, the circuit board in the accommodating groove can be taken out, and the operation is convenient.

Further, the tool body still includes the curb plate of vertical setting, the curb plate with bottom plate fixed connection, both ends symmetry is provided with stopper and locating hole about the bottom plate, stopper and the curb plate that corresponds are parallel to each other and form installation space between the two, the support frame includes mounting panel, and reference column and the connecting plate that the symmetry set up, the upper end of reference column and connecting plate all with mounting panel fixed connection, the reference column is installed in the locating hole, the lower extreme of connecting plate is provided with the locking piece, the locking piece with be connected through compressible switch spring between the connecting plate, the lower extreme of connecting plate and locking piece all are located in the installation space, a side of locking piece with the inner wall looks butt of curb plate.

The positioning columns and the positioning holes are arranged, so that the support frame and the elastic columns on the support frame can be positioned quickly, and when the electronic device is used, the positioning columns are only required to be inserted into the positioning holes, and the positions of the elastic columns on the support frame and the electronic elements are exactly in one-to-one correspondence, so that an operator does not need to adjust the positions of the elastic columns on the support frame; the setting of locking piece and switch spring can realize the fixed between support frame and the bottom plate, and specifically, when installing the support frame, operating personnel presses the locking piece at both ends, and switch spring is in compressed state, and when the bottom and the bottom plate looks butt of locking piece, operating personnel unclamp the locking piece, and under the elasticity effect of switch spring this moment, the lateral surface of locking piece just realizes the fixed of support frame with the inside wall looks butt of curb plate, whole process convenient operation has promoted production efficiency.

Further, a plurality of vertical through holes are formed in the mounting plate, one vertical through hole is formed in each welding through hole, each elastic column comprises a cylindrical rod and a second pressure spring, each cylindrical rod penetrates through each vertical through hole, a rubber block is fixedly connected to the lower end of each cylindrical rod, the upper end of each cylindrical rod is higher than the upper end face of the mounting plate, the second pressure springs are sleeved on the outer side of each cylindrical rod, the upper ends of the second pressure springs are fixedly connected with the mounting plate, the lower ends of the second pressure springs are fixedly connected with the rubber blocks, and the lower ends of the rubber blocks are abutted against the upper surfaces of electronic elements.

The rubber block can be compressed, and the used rubber block is in contact with the electronic component, so that the electronic component on the circuit board can be effectively protected.

Further, two gag levers are fixedly connected with the lower end of the compression block, the two gag levers are arranged in a bilateral symmetry mode by taking the mounting hole as the center, two bilateral symmetry limiting holes are formed in the lower portion of each compression block, the depth of each limiting hole is larger than the length of each limiting lever, and each limiting lever is inserted into each limiting hole.

The arrangement of the limiting rod and the limiting hole is convenient for an operator to move the compressing block to the optimal position to fix the circuit board, and particularly, when the circuit board is fixed, the operator rotates the compressing block, only the limiting rod on the compressing block is inserted into the limiting hole, the compressing block cannot be rotated, and at the moment, the compressing block is mutually perpendicular to the side edge of the circuit board and is positioned at the position with the largest contact area; when the circuit board needs to be taken down, hold the compact heap and upwards mention, then rotate compact heap 90, at this moment, separate through the gag lever post between compact heap and the bottom plate, avoided the friction between compact heap and the bottom plate, can effectually protect the rubber pad, promote life.

Further, the number of the accommodating grooves formed in the bottom plate is more than two even, and the depth of the accommodating grooves is the same as the thickness of the circuit board.

When the circuit board is used, the circuit board is placed into the accommodating groove, the edge position of the circuit board is approximately flush with the upper end of the bottom plate, mutual collision between the circuit board and the circuit board in the process of moving the pressing block is avoided, and the circuit board is effectively protected.

Further, the locking block is provided with a antiskid plate, the outer side surface of the antiskid plate is a rough surface, and two or more switch springs are arranged between the locking block and the connecting plate.

The friction force can be increased due to the arrangement of the antiskid plate, and an operator can conveniently press the locking block.

The processing and testing jig for the circuit board has the following advantages:

the length of the accommodating groove is slightly larger than that of the circuit board, when the circuit board is placed, the three sides of the circuit board are abutted against the inner wall of the accommodating groove, so that the circuit board with various length specifications can be installed without customizing jigs with various specifications, and the production cost is saved.

The elastic columns are correspondingly arranged above the electronic components, so that the electronic components on the circuit board can be effectively compressed, the electronic components are prevented from being deviated or misplaced relative to the circuit board in the subsequent welding process, and the welding quality is improved.

3. The setting of gag lever post and spacing hole, the operating personnel of being convenient for remove the compact heap to the best position and fix the circuit board, simultaneously, at the in-process of moving the movable block of moving, separate through the gag lever post between compact heap and the bottom plate, avoided the friction between compact heap and the bottom plate, can effectual protection rubber pad, promote life.

Drawings

FIG. 1 is a diagram showing a three-dimensional structure of a circuit board processing test fixture according to the present utility model;

FIG. 2 is a front view of a circuit board processing test fixture according to the present utility model;

FIG. 3 is a bottom view of a circuit board manufacturing test fixture according to the present utility model;

FIG. 4 is a three-dimensional view of the fixture body of the present utility model;

FIG. 5 is a diagram of the elastomeric columns of the present utility model;

FIG. 6 is a block diagram of the present utility model;

the figure indicates: 1. a jig body; 11. a bottom plate; 12. a limiting block; 13. a receiving groove; 14. a side plate; 15. positioning holes; 16. welding the through holes; 2. a circuit board; 21. an electronic component; 3. a compaction block; 31. a bolt; 32. a first compression spring; 33. a rubber pad; 34. a limit rod; 35. a mounting hole; 36. a limiting hole; 4. a support frame; 41. a mounting plate; 411. a vertical through hole; 42. a connecting plate; 43. a locking block; 431. a cleat; 432. a switch spring; 44. a second compression spring; 45. positioning columns; 441. a cylindrical rod; 442. rubber blocks.

Detailed Description

In order to better understand the purpose, structure and function of the present utility model, a circuit board processing test fixture of the present utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a circuit board processing test fixture, includes tool body 1, tool body 1 includes the bottom plate 11 that the level set up, and install fixing device and closing device on bottom plate 11, set up a plurality of square holding tank 13 on bottom plate 11, can place circuit board 2 in the holding tank 13, set up welding through-hole 16 in every holding tank 13, welding through-hole 16 runs through bottom plate 11;

the compressing device comprises a plurality of movable compressing blocks 3, the compressing blocks 3 are connected with the bottom plate 11 through elastic components, the elastic components apply force to the compressing blocks 3, the compressing blocks 3 are arranged around the accommodating grooves 13, the compressing blocks 3 are arranged at corresponding positions of at least two sides of each accommodating groove 13, rubber pads 33 are bonded at the end parts of the compressing blocks 3, and the lower surfaces of the rubber pads 33 are abutted against the upper surface of the circuit board 2 placed in the accommodating grooves 13;

the fixing device comprises a support frame 4 and an elastic column arranged on the support frame 4, the support frame 4 is detachably connected with the bottom plate 11, the upper end of the elastic column is connected with the support frame 4, and the lower end of the elastic column is abutted against the upper end of the electronic element 21 on the circuit board 2 placed in the corresponding accommodating groove 13.

The accommodating grooves 13 are used for accommodating the circuit boards 2 to be welded, the plug pins of the electronic components 21 are positioned at the positions of the welding through holes 16, each accommodating groove 13 is provided with four compression blocks 3, the four compression blocks 3 are symmetrically distributed at two opposite side positions of the accommodating groove 13, and the four compression blocks 3 are abutted with the circuit boards 2 through rubber pads 33; the support frame 4 and the bottom plate 11 can be connected through movable switch structures and the like, the elastic columns are used for fixing the electronic elements 21 on the circuit board 2 and can be compressed, the electronic elements 21 can be fixed at preset positions of the circuit board 2, deflection or dislocation of the electronic elements 21 in the subsequent welding process is avoided, and the welding quality is improved.

When the technical scheme is used, for example, when the circuit board 2 is fixed on the jig body 1, the pressing blocks 3 are positioned at positions far away from the accommodating grooves 13, firstly, operators push the circuit board 2 to be welded into the accommodating grooves 13 from outside to inside, then the pressing blocks 3 move towards the positions of the accommodating grooves 13 until the rubber pads 33 on all the pressing blocks 3 are abutted against the circuit board 2, and at the moment, the fixation of the circuit board 2 is completed; installing the support frame 4, adjusting the elastic columns on the support frame 4, enabling the lower end of each elastic column to be abutted against the upper end of the electronic element 21, and finally locking the support frame 4 with the bottom plate 11, so that the whole clamping work is completed; the finished jig of the circuit board 2 flows into the production line and waits for the subsequent entering of the welding equipment, and the welding equipment welds the circuit board 2 from the welding through hole 16 of the bottom plate 11; the length of the accommodating groove 13 is slightly larger than that of the circuit board 2, when the circuit board 2 is placed, three sides of the circuit board 2 are abutted against the inner wall of the accommodating groove 13, so that the circuit board 2 with various length specifications can be installed without customizing jigs with various specifications, and the production cost is saved.

In one embodiment, the elastic component includes a bolt 31 and a first compression spring 32, the first compression spring 32 is sleeved on the outer side of the bolt 31, a mounting hole 35 is formed in the center of the compression block 3, the bolt 31 passes through the mounting hole 35 and is fixedly connected with the bottom plate 11, and the lower end of the first compression spring 32 is abutted to the upper end face of the compression block 3.

In the above scheme, when in use, the first pressure spring 32 is in a compressed state, the first pressure spring 32 applies force to the compression block 3, the corresponding compression block 3 applies force to the rubber pad 33, the rubber pad 33 between the circuit board 2 and the compression block 3 is in a compressed state, and the friction force between the circuit board 2 and the rubber pad 33 is increased, so that the circuit board 2 can be better fixed; when the circuit board 2 needs to be taken out, an operator holds the compression block 3 and lifts the compression block upwards, then rotates the compression block by 90 degrees along the bolt 31, so that the compression block 3 is moved away from the circuit board 2, and the circuit board 2 in the accommodating groove 13 can be taken out at the moment, so that the operation is convenient.

In one embodiment, the jig body 1 further includes a side plate 14 that is vertically disposed, the side plate 14 is fixedly connected with the bottom plate 11, two ends of the bottom plate 11 are symmetrically disposed with a limiting block 12 and a positioning hole 15, the limiting block 12 is parallel to the corresponding side plate 14 and forms a mounting space therebetween, the support frame 4 includes a mounting plate 41, and a positioning column 45 and a connecting plate 42 that are symmetrically disposed, the upper ends of the positioning column 45 and the connecting plate 42 are fixedly connected with the mounting plate 41, the positioning column 45 is mounted in the positioning hole 15, a locking block 43 is disposed at the lower end of the connecting plate 42, the locking block 43 is connected with the connecting plate 42 through a compressible switch spring 432, the lower end of the connecting plate 42 and the locking block 43 are both disposed in the mounting space, and one side surface of the locking block 43 is in abutment with the inner wall of the side plate 14.

In the above scheme, the positioning columns 45 and the positioning holes 15 are arranged, so that the support frame 4 and the elastic columns on the support frame 4 can be positioned quickly, when the electronic device is used, only the positioning columns 45 are needed to be inserted into the positioning holes 15, and the positions of the elastic columns on the support frame 4 and the electronic elements 21 are exactly in one-to-one correspondence, so that an operator is not needed to adjust the positions of the elastic columns on the support frame 4; the setting of locking piece 43 and switch spring 432 can realize the fixed between support frame 4 and the bottom plate 11, specifically, when the installing support frame, operating personnel presses the locking piece 43 at both ends, and switch spring 432 is in compressed state, when the bottom of locking piece 43 and bottom plate 11 looks butt, operating personnel unclamp locking piece 43, and under the elasticity effect of switch spring 432 this moment, the lateral surface of locking piece 43 and the inside wall looks butt of curb plate 14 just realize the fixed of support frame 4, and whole process convenient operation has promoted production efficiency.

In one embodiment, the mounting plate 41 is provided with a plurality of vertical through holes 411, each vertical through hole 411 is corresponding to the position right above the corresponding welding through hole 16, the elastic column comprises a cylindrical rod 441 and a second pressure spring 44, the cylindrical rod 441 passes through the vertical through holes 411, the lower end of the cylindrical rod 441 is fixedly connected with a rubber block 442, the upper end of the cylindrical rod 441 is higher than the upper end face of the mounting plate 41, the second pressure spring 44 is sleeved on the outer side of the cylindrical rod 441, the upper end of the second pressure spring 44 is fixedly connected with the mounting plate 41, the lower end of the second pressure spring 44 is fixedly connected with the rubber block 442, and the lower end of the rubber block 442 is abutted against the upper surface of the electronic element 21.

In the above-mentioned scheme, the rubber block 442 can be compressed, and the rubber block 442 is used to contact with the electronic component 21, so that the electronic component 21 on the circuit board 2 can be effectively protected.

In one embodiment, the lower end of the compression block 3 is fixedly connected with two limiting rods 34, the two limiting rods 34 are symmetrically arranged around the mounting hole 35, two bilaterally symmetrical limiting holes 36 are respectively formed below each compression block 3, the depth of each limiting hole 36 is greater than the length of each limiting rod 34, and the limiting rods 34 are inserted into the limiting holes 36.

In the above scheme, the setting of the limiting rod 34 and the limiting hole 36 is convenient for the operator to move the compressing block 3 to the optimal position to fix the circuit board 2, specifically, when the circuit board 2 is fixed, the operator rotates the compressing block 3, as long as the limiting rod 34 on the compressing block 3 is inserted into the limiting hole 36, the compressing block 3 cannot be rotated, and at the moment, the compressing block 3 is mutually perpendicular to the side edge of the circuit board 2 and is positioned at the position with the largest contact area; when the circuit board 2 needs to be taken down, the hold-down block 3 is lifted upwards, then the hold-down block 390 degrees is rotated, at this moment, the hold-down block 3 and the bottom plate 11 are separated by the limiting rod 34, friction between the hold-down block 3 and the bottom plate 11 is avoided, the rubber pad 33 can be effectively protected, and the service life is prolonged.

In one embodiment, the bottom plate 11 is provided with more than two even receiving grooves 13, and the depth of the receiving grooves 13 is the same as the thickness of the circuit board 2.

In the scheme, the circuit board 2 is placed in the accommodating groove 13, the edge position of the circuit board 2 is approximately flush with the upper end of the bottom plate 11, mutual collision between the circuit board 2 and the circuit board 2 in the process of moving the pressing block 3 is avoided, and the circuit board 2 is effectively protected.

In one embodiment, the locking block 43 is provided with a cleat 431, the outer side surface of the cleat 431 is a rough surface, and two or more switch springs 432 are provided between the locking block 43 and the connecting plate 42.

In the above scheme, the arrangement of the antiskid plate 431 can increase friction force, so that an operator can conveniently press the locking block 43.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. The utility model provides a circuit board processing test fixture, includes tool body (1), its characterized in that, tool body (1) include bottom plate (11) that the level set up, and install fixing device and closing device on bottom plate (11), set up a plurality of square holding tank (13) on bottom plate (11), can place circuit board (2) in holding tank (13), every set up welding through-hole (16) in holding tank (13), welding through-hole (16) run through bottom plate (11);

the compressing device comprises a plurality of movable compressing blocks (3), the compressing blocks (3) are connected with the bottom plate (11) through elastic components, the elastic components apply force to the compressing blocks (3), the compressing blocks (3) are arranged around the accommodating grooves (13), the compressing blocks (3) are installed at corresponding positions of at least two sides of each accommodating groove (13), rubber pads (33) are bonded at the end parts of the compressing blocks (3), and the lower surfaces of the rubber pads (33) are abutted against the upper surfaces of circuit boards (2) placed in the accommodating grooves (13);

the fixing device comprises a supporting frame (4) and an elastic column arranged on the supporting frame (4), wherein the supporting frame (4) is detachably connected with the bottom plate (11), the upper end of the elastic column is connected with the supporting frame (4), and the lower end of the elastic column is abutted to the upper end of an electronic element (21) on a circuit board (2) placed in a corresponding accommodating groove (13).

2. The circuit board processing test fixture according to claim 1, wherein the elastic component comprises a bolt (31) and a first pressure spring (32), the first pressure spring (32) is sleeved on the outer side of the bolt (31), a mounting hole (35) is formed in the center position of the compression block (3), the bolt (31) penetrates through the mounting hole (35) and is fixedly connected with the bottom plate (11), and the lower end of the first pressure spring (32) is abutted to the upper end face of the compression block (3).

3. The circuit board processing test jig according to claim 1, wherein the jig body (1) further comprises a side plate (14) which is vertically arranged, the side plate (14) is fixedly connected with the bottom plate (11), a limiting block (12) and a positioning hole (15) are symmetrically arranged at the left end and the right end of the bottom plate (11), the limiting block (12) and the corresponding side plate (14) are mutually parallel and form an installation space between the limiting block and the corresponding side plate (14), the support frame (4) comprises a mounting plate (41) and symmetrically arranged positioning columns (45) and a connecting plate (42), the upper ends of the positioning columns (45) and the connecting plate (42) are fixedly connected with the mounting plate (41), the positioning columns (45) are installed in the positioning hole (15), the lower end of the connecting plate (42) is provided with a locking block (43), the lower end of the connecting plate (42) and the locking block (43) are both located in the installation space, and the lower end of the connecting plate (42) and the locking block (43) are abutted against one side of the inner wall (14).

4. A circuit board processing test fixture according to claim 3, characterized in that, a plurality of vertical through holes (411) have been seted up on mounting panel (41), every welding through hole (16) all correspond a vertical through hole (411) directly over, the elastic column includes cylinder pole (441) and second pressure spring (44), cylinder pole (441) pass vertical through hole (411), the lower extreme fixedly connected with rubber piece (442) of cylinder pole (441), the upper end of cylinder pole (441) is higher than the up end of mounting panel (41), second pressure spring (44) cover is established the outside of cylinder pole (441), the upper end of second pressure spring (44) with mounting panel (41) fixed connection, the lower extreme of second pressure spring (44) with rubber piece (442) fixed connection, the lower extreme of rubber piece (442) and the upper surface butt of electronic component (21).

5. The circuit board processing test fixture according to claim 1, wherein two limit rods (34) are fixedly connected to the lower end of the compression block (3), the two limit rods (34) are symmetrically arranged around the mounting hole (35), two laterally symmetrical limit holes (36) are formed in the lower portion of each compression block (3), the depth of each limit hole (36) is larger than the length of each limit rod (34), and the limit rods (34) are inserted into the limit holes (36).

6. The jig for processing and testing a circuit board according to claim 1, wherein the number of the accommodating grooves (13) formed in the bottom plate (11) is an even number of two or more, and the depth of the accommodating grooves (13) is the same as the thickness of the circuit board (2).

7. The circuit board processing test fixture according to claim 3, wherein the locking block (43) is provided with a antiskid plate (431), the outer side surface of the antiskid plate (431) is a rough surface, and the number of switch springs (432) between the locking block (43) and the connecting plate (42) is two or more.