CN219437269U - Adjustable wave soldering jig for SMT (surface mounted technology) component - Google Patents

Abstract

The application relates to a wave-soldering tool with adjustable SMT component belongs to wave-soldering tool field, and it includes four edges of end to end, forms the welding space that is used for welding the circuit board between four edges of end to end, and the edge includes first framed board and second framed board, and first framed board is connected with the second framed board, and first framed board is connected with adjacent second framed board through telescopic assembly, is equipped with the back plate that is used for placing the circuit board in the welding space, and the back plate is connected with first framed board through fixed subassembly. The distance between first framed board and the adjacent second framed board is adjusted to operating personnel's use flexible subassembly to adjust the size in welding space, increased the holistic application scope of tool, reuse fixed subassembly is fixed the backup pad on first framed board, has reduced the step that operating personnel found suitable tool, so as to weld the circuit board of equidimension.

Description

Adjustable wave soldering jig for SMT (surface mounted technology) component

Technical Field

The application relates to the field of wave soldering jigs, in particular to an adjustable wave soldering jig for SMT components.

Background

SMT is a surface mount technology, which is one of the most popular technologies and techniques in the electronics assembly industry. The circuit mounting technology is to mount no-pin or short-lead surface assembly element on the surface of a Printed Circuit Board (PCB) or other substrate, and to perform welding assembly by wave soldering or reflow soldering. The wave soldering is mainly realized by a wave soldering machine, and a tool for supporting the circuit board to pass through the wave soldering machine and finishing wave soldering operation is called a wave soldering jig.

In the related art, wave soldering tool mainly includes welding frame, backup pad and clamp plate, and the backup pad passes through the bolt to be connected with the welding frame, and the lateral wall and the inner wall looks butt of welding frame of circuit board, and the circuit board setting is in the backup pad, and the clamp plate lid closes the one side of keeping away from the backup pad at the circuit board, is equipped with the elastic slice that is used for spacing clamp plate on the welding frame. After an operator clamps the circuit board between the supporting plate and the pressing plate, the jig with the circuit board can be placed into a crest welder for welding.

For the related art, the inventor finds that the application range of the welding frame with fixed size is smaller, when the size of the circuit board changes, the operator needs to select the welding frame matched with the size of the circuit board, and the welding spot positions of different circuit boards are different, and the operator needs to select the supporting plate matched with the circuit board to adapt to the welding spot at the same time, so that the whole process is complicated, and the improvement is needed.

Disclosure of Invention

In order to improve the above problems, the present application provides an adjustable wave soldering fixture for SMT components.

The application provides a wave soldering tool with adjustable SMT component adopts following technical scheme:

the utility model provides a wave soldering tool with adjustable SMT component is with, includes four corners of end to end, four of end to end form the welding space that is used for welding the circuit board between the corner, the corner includes first framed board and second framed board, first framed board is connected with the second framed board that the flexible subassembly is connected with adjacent, be equipped with the back-up plate that is used for placing the circuit board in the welding space, the back-up plate is connected with first framed board through fixed subassembly.

Through adopting above-mentioned technical scheme, when needs are welded the circuit board, the operating personnel uses flexible subassembly to adjust the distance between first framed board and the adjacent second framed board, with change the distance between four corners, thereby adjust between the size in welding space, so that the circuit board of welding space adaptation not unidimensional, the operating personnel reuse fixed subassembly is connected with the backup pad of corresponding size and first framed board, so that the circuit board is placed to the follow-up, under the effect of flexible subassembly and fixed subassembly this moment, the application scope of tool has been increased, the step of the tool of different sizes has been selected to the operating personnel has been reduced, the circuit board is welded for the operating personnel provides convenience.

Preferably, the telescopic assembly comprises a telescopic rod, telescopic blocks and a plurality of clamping blocks, the telescopic rod is arranged on one side, close to the adjacent second frame plate, of the first frame plate, a first telescopic groove is formed in the second frame plate, the telescopic rod is slidably connected in the first telescopic groove, a second telescopic groove is formed in the inner wall of the first telescopic groove, the telescopic blocks are slidably connected in the second telescopic groove, telescopic springs are arranged between the telescopic blocks and the bottoms of the second telescopic grooves, the clamping blocks are uniformly arranged on the telescopic rod, and the clamping grooves matched with the telescopic blocks are formed between the adjacent two clamping blocks.

Through adopting above-mentioned technical scheme, operating personnel stimulate first deckle board, and first deckle board drives the telescopic link and removes, and the telescopic link drives each joint piece and removes, receives the extrusion and shrink into in the second expansion tank when flexible piece and joint piece contact, and telescopic spring is in compression state this moment, when the size in welding space and the size adaptation of circuit board, operating personnel stop removing first deckle board, and at this moment under telescopic spring's effect, the joint groove looks chucking of telescopic piece and corresponding position to operating personnel places the circuit board in welding space.

Preferably, a limiting plate is arranged at one end, far away from the first frame plate, of the telescopic rod, a limiting groove is formed in the inner wall of the first telescopic groove, and the limiting plate is slidably connected in the limiting groove.

Through adopting above-mentioned technical scheme, when operating personnel adjusts the size in welding space, the telescopic link drives the limiting plate and slides along the spacing groove, under the effect of gag lever post and spacing groove, provides spacingly for the removal of telescopic link on the one hand, on the other hand makes the telescopic link be difficult for separating with adjacent second framed panel.

Preferably, one end of the telescopic block, which is far away from the telescopic spring, is arranged into an arc shape, and one end of each clamping block, which is far away from the telescopic rod, is arranged into an arc shape.

Through adopting above-mentioned technical scheme, the joint piece that the arc set up and flexible piece have reduced the frictional force when joint piece and flexible piece remove, have reduced the wearing and tearing degree of joint piece and flexible piece to the size in welding space is adjusted for operating personnel provides convenience.

Preferably, the fixed subassembly fixed plate and fixed block, first fixed slot has been seted up on the first framed board, the fixed plate rotates to be connected in first fixed slot, the second fixed slot has been seted up on the fixed plate, fixed block sliding connection is in the second fixed slot, be equipped with fixed spring between the tank bottom of fixed block and second fixed slot, the groove of stepping down has been seted up to the inner wall of first fixed slot, the fixed block sets up in stepping down the groove, be equipped with the joint board in the backup pad, the bearing groove that is linked together with first fixed slot has been seted up on the first framed board, the joint board sets up in the bearing groove, fixed plate and joint board looks butt.

Through adopting above-mentioned technical scheme, after the size adjustment of welding space is accomplished to operating personnel, operating personnel will place in welding space with the backup pad of welding space's size and circuit board's model adaptation for in the holding groove is gone into to the joint board card, operating personnel rotates the fixed plate towards the direction of joint board again, when the inner wall looks butt of fixed block and first fixed slot, the fixed block shrink into in the second fixed slot, fixed spring is in compression state this moment, when the fixed block is relative with the position of stepping down the groove, under the effect of fixed spring resilience, the fixed block card is gone into and is stepping down in the groove and with stepping down the inner wall looks tight of groove, fixed plate and joint board looks butt simultaneously, in order to accomplish the fixed between backup pad and the four corners, so that the backup pad is the circuit board provides support subsequently.

Preferably, the fixing plate is provided with a fixing column, the clamping plate is provided with a clamping hole, and the fixing column is arranged in the clamping hole.

Through adopting above-mentioned technical scheme, at fixed plate orientation joint board pivoted in-process, the fixed column removes towards the joint board gradually, when fixed plate and joint board looks tightly, the fixed column inserts in the joint hole, and the fixed column further provides spacingly for the backup pad this moment to the backup pad provides the support for the circuit board comparatively steadily.

Preferably, the fixed plate is provided with a disassembly groove, the disassembly groove is connected with a disassembly plate in a sliding manner, the fixed plate is provided with a disassembly cavity, the disassembly plate extends into the disassembly cavity, the disassembly cavity is rotationally connected with a roller, the roller is wound with a pull rope, the pull rope is abutted against the disassembly plate, and one end of the pull rope, far away from the disassembly plate, extends into the second fixed groove and is connected with the fixed block.

Through adopting above-mentioned technical scheme, when operating personnel need change the backup pad, operating personnel presses the dismantlement board, dismantles the board and contacts with the stay cord and drive the one end of stay cord and move towards the direction of keeping away from the gyro wheel, and the other end of stay cord drives the fixed block again and moves towards the tank bottom of keeping away from the groove of stepping down, when the fixed block with step down the groove separation, operating personnel can rotate the fixed plate towards the direction of keeping away from first framed board, and operating personnel can change the backup pad this moment.

Preferably, still include the clamp plate, the clamp plate setting is kept away from between the backup pad at the circuit board, be equipped with the hold-down subassembly that is used for fixed clamp plate on the first framed board, hold-down subassembly includes hold-down post and hold-down plate, set up the hold-down groove on the first framed board, hold-down post sliding connection is in the hold-down groove, set up the compression chamber that is linked together with the hold-down groove in the first framed board, the hold-down post extends to in the compression chamber and is connected with the connecting plate, be equipped with hold-down spring between the inner wall in connecting plate and the compression chamber, the hold-down plate sets up the one end of keeping away from first framed board at the hold-down lever, hold-down plate and clamp plate looks through adopting above-mentioned technical scheme, after operating personnel is fixed the backup pad, operating personnel moves hold-down plate and hold-down post towards the direction of keeping away from first framed board, and the hold-down post drives the connecting plate and remove and make hold-down spring be in compression state, operating personnel places the clamp plate on the circuit board again, operating personnel unclamp the hold-down plate, under the effect of hold-down spring, hold-down plate for the clamp plate comparatively stably covers on the circuit board easily to keep down plate, so that the circuit board is comparatively stable to carry out the limit device on the circuit board simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up four corners and flexible subassembly, operating personnel uses flexible subassembly to adjust the distance between four corners to adjust the size of welding space, so that the adaptation circuit board of equidimension, increased the holistic application scope of tool, reduced the step of operating personnel's manual selection and the tool of circuit board adaptation;

2. by arranging the fixing component, the fixing component is convenient for operators to assemble the adaptive supporting plate after the size of the welding space is adjusted;

3. through setting up the hold-down assembly, hold-down assembly makes the clamp plate compress tightly the circuit board, provides spacingly for the circuit board on the one hand, and on the other hand provides the protection for the circuit board for the components and parts on the circuit board are difficult for the deformation impaired.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

fig. 2 is a schematic structural diagram for embodying a positional relationship between a support board and a circuit board according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 1;

FIG. 4 is an enlarged schematic view of the portion B in FIG. 2;

fig. 5 is a schematic structural diagram for embodying a positional relationship between a fixing post and a support plate according to an embodiment of the present application;

fig. 6 is an enlarged schematic view of the portion C in fig. 1.

Reference numerals illustrate: 1. corners; 11. welding space; 12. a first frame plate; 121. a first fixing groove; 122. a relief groove; 123. a support groove; 124. a compaction groove; 125. a compaction chamber; 126. a connecting plate; 13. a second frame plate; 131. a first expansion tank; 132. a second expansion tank; 133. a limit groove; 14. a telescopic spring; 2. a support plate; 21. welding holes; 22. a clamping plate; 221. a clamping hole; 3. a circuit board; 4. a pressing plate; 5. a telescoping assembly; 51. a telescopic rod; 52. a telescopic block; 53. a clamping block; 531. a clamping groove; 54. a limiting plate; 6. a fixing assembly; 61. a fixing plate; 611. a second fixing groove; 612. a fixed spring; 613. a dismantling groove; 614. disassembling the cavity; 62. a fixed block; 63. fixing the column; 64. disassembling the plate; 65. disassembling the spring; 66. a roller; 67. a pull rope; 68. a torsion spring; 7. a compression assembly; 71. a compression column; 72. a compacting plate; 73. and (5) compressing the spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses an adjustable wave soldering jig for SMT components. Referring to fig. 1 and 2, an adjustable wave soldering jig for SMT components comprises four corners 1 connected end to end, a soldering space 11 for soldering a circuit board 3 is formed between the four corners 1, a supporting plate 2 is arranged in the soldering space 11, a soldering hole 21 matched with the circuit board 3 is formed in the supporting plate 2, the circuit board 3 is abutted against the supporting plate 2, and a pressing plate 4 is arranged on one side, far away from the supporting plate 2, of the circuit board 3. The four corners 1 comprise a first frame plate 12 and a second frame plate 13, the first frame plate 12 and the second frame plate 13 are fixed, the first frame plate 12 and the second frame plate 13 are mutually perpendicular, the first frame plate 12 is connected with the second frame plate 13 of the adjacent corner 1 through a telescopic component 5, the supporting plate 2 is connected with the first frame plate 12 through a fixing component 6, and a pressing component 7 for fixing the pressing plate 4 is arranged on the first frame plate 12.

The operator adjusts the distance between the first frame plate 12 and the second frame plate 13 of the adjacent corner 1 using the telescopic assembly 5 to adjust the distance between the four corners 1 to form the welding spaces 11 of different sizes. The operating personnel reuse fixed subassembly 6 is fixed backup pad 2 in welding space 11, and the rethread compresses tightly the subassembly 7 with clamp plate 4 on circuit board 3 to weld circuit board 3, at this moment under the effect of telescopic subassembly 5, make things convenient for operating personnel to adjust welding space 11's size, increased the holistic application scope of tool, in order to become operating personnel to weld circuit board 3 of equidimension not.

Referring to fig. 1 and 3, the telescopic assembly 5 includes a telescopic rod 51, a telescopic block 52 and a plurality of clamping blocks 53, the telescopic rod 51 is fixed on one side of the first frame plate 12, which is close to the second frame plate 13 of the adjacent corner 1, each clamping block 53 is fixed on the telescopic rod 51 along the length direction of the telescopic rod 51, and a clamping groove 531 adapted to the telescopic block 52 is formed between two adjacent clamping blocks 53. The second frame plate 13 is provided with a first telescopic groove 131 along the length direction of the second frame plate 13, the telescopic rod 51 is slidably connected in the first telescopic groove 131 of the second frame plate 13 of the adjacent corner 1, the inner wall of the first telescopic groove 131 is provided with a second telescopic groove 132 along the vertical direction, the telescopic block 52 is slidably connected in the second telescopic groove 132, a telescopic spring 14 is arranged between the telescopic block 52 and the groove bottom of the second telescopic groove 132, one end of the telescopic spring 14 is fixed with the telescopic block 52, and the other end of the telescopic spring 14 is fixed with the groove bottom of the second telescopic groove 132.

In order to facilitate the movement of the telescopic rod 51, one end of the telescopic block 52, which is close to the telescopic rod 51, and one end of each clamping block 53, which is far away from the telescopic rod 51, are all arranged in an arc shape, so that the friction force between the telescopic block 52 and each clamping block 53 is effectively reduced, and the possibility of abrasion between the telescopic block 52 and the clamping block 53 is reduced.

In order to improve stability when the telescopic rod 51 moves, one end of the telescopic rod 51, which is far away from the first frame plate 12, is provided with a limiting plate 54, a limiting groove 133 is formed in the inner wall of the first telescopic groove 131 along the length direction of the second frame plate 13, the limiting plate 54 slides along the limiting groove 133, the limiting groove 133 is matched with a limiting block, guiding is provided for movement of the telescopic rod 51, so that the telescopic rod 51 moves stably, and meanwhile the telescopic rod 51 is not easy to separate from the second frame plate 13.

When the size of the welding space 11 needs to be adjusted, an operator moves two opposite first frame plates 12 simultaneously, the first frame plates 12 drive the telescopic rods 51 to move, the telescopic rods 51 drive the clamping blocks 53 to move, when the clamping blocks 53 are contacted with the telescopic blocks 52, the telescopic blocks 52 retract into the second telescopic grooves 132, the telescopic springs 14 are in a compressed state, when the size of the welding space 11 is matched with the circuit board 3, the operator stops moving the first frame plates 12, at the moment, under the action of resilience force of the telescopic springs 14, the telescopic blocks 52 are clamped into the clamping grooves 531 at corresponding positions, and under the action of the telescopic springs 14, the telescopic blocks 52 are clamped with the inner walls of the clamping grooves 531 at corresponding positions relatively stably, and at the moment, the adjustment of the size of the adjusting space is completed, so that the operator can weld the circuit boards 3 with different sizes.

Referring to fig. 2 and 4, the fixing assembly 6 includes a fixing plate 61 and a fixing block 62, a first fixing groove 121 is formed in the first frame plate 12, the fixing plate 61 is rotatably connected in the first fixing groove 121, a second fixing groove 611 is formed in the fixing plate 61, the fixing block 62 is slidably connected in the second fixing groove 611, a fixing spring 612 is disposed in the second fixing groove 611, one end of the fixing spring 612 is fixed to an inner wall of the second fixing groove 611, the other end of the fixing spring 612 is fixed to the fixing block 62, and a yielding groove 122 adapted to the fixing block 62 is formed in an inner wall of the first fixing groove 121.

Referring to fig. 4 and 5, the clamping plate 22 is fixed on the support plate 2, the first frame plate 12 is provided with a supporting groove 123 adapted to the clamping plate 22, the supporting groove 123 is communicated with the first fixing groove 121, and the fixing plate 61 is abutted to the clamping plate 22.

After the size adjustment of the welding space 11 by the operator is completed, the operator places the support plate 2 into the welding space 11, so that the clamping plate 22 is clamped into the bearing groove 123, the operator rotates the fixing plate 61 towards the direction of the clamping plate 22, when the fixing block 62 abuts against the inner wall of the first fixing groove 121, the fixing block 62 is retracted into the second fixing groove 611, the fixing spring 612 is in a compressed state, when the fixing block 62 is opposite to the yielding groove 122, the fixing block 62 is inserted into the yielding groove 122 under the resilience force of the fixing spring 612, and at this time, the fixing plate 61 abuts against the clamping plate 22 to complete the connection between the support plate 2 and the first frame, so that the support plate 2 supports the circuit board 3.

Referring to fig. 5, in order to further improve the limiting capability of the fixing plate 61 on the supporting plate 2, a fixing post 63 is fixed on one side of the fixing plate 61 near the first frame plate 12, and a clamping hole 221 adapted to the fixing post 63 is formed in the clamping plate 22. When the fixing plate 61 abuts against the clamping plate 22, the clamping column is inserted into the clamping plate 22 and abuts against the inner wall of the clamping hole 221, and the fixing column 63 provides further limit for the clamping plate 22, so that the connection stability between the support plate 2 and the first frame plate 12 is further improved.

Referring to fig. 4 and 5, in order to facilitate replacement of the support plate 2, a dismounting groove 613 is formed in the fixing plate 61, a dismounting plate 64 is slidably connected in the dismounting groove 613, and a dismounting spring 65 is fixed between the dismounting plate 64 and the bottom of the dismounting groove 613. The fixed plate 61 is provided with a disassembly cavity 614 communicated with the disassembly groove 613 and the second fixed groove 611, the disassembly cavity 614 is rotationally connected with a roller 66, the roller 66 is wound with a pull rope 67, the pull rope 67 extends into the second fixed groove 611 and is fixed with the fixed block 62, and the disassembly plate 64 extends into the disassembly cavity 614 and is abutted against the pull rope 67.

The rotation shaft of the fixing plate 61 is wound with a torsion spring 68, one end of the torsion spring 68 is fixed with the fixing plate 61, and the other end is fixed with the inner wall of the first fixing groove 121.

After the operator positions the support plate 2 using the fixing plate 61, the torsion spring 68 is in a compressed state. The operating personnel presses the dismantlement board 64 towards the direction of stay cord 67 for dismantle spring 65 is in compressed state, dismantle the one end that drives the stay cord 67 behind board 64 and the stay cord 67 contact and move towards the direction of keeping away from gyro wheel 66, stay cord 67 drives gyro wheel 66 and rotates, under the effect of gyro wheel 66, make stay cord 67 be difficult for the fracture, the other end control fixed block 62 of stay cord 67 moves towards the direction of keeping away from the tank bottom of the groove 122 of stepping down this moment, when fixed block 62 and the groove 122 of stepping down separate, under the effect of torsional spring 68 resilience, fixed plate 61 moves towards the direction of keeping away from first framed board 12 voluntarily, fixed plate 61 drives fixed column 63 and joint board 22 separation simultaneously, operating personnel can change backup pad 2 this moment.

Referring to fig. 1 and 6, the pressing assembly 7 includes a pressing column 71 and a pressing plate 72, the first frame plate 12 is provided with a pressing groove 124 in a vertical direction, the pressing column 71 is slidably connected in the pressing groove 124, and the pressing plate 72 is fixed at an end of the pressing column 71 remote from the first frame plate 12. The first frame plate 12 is provided with a compressing cavity 125 communicated with the compressing groove 124, the compressing column 71 extends into the compressing cavity 125 and is fixed with a connecting plate 126, the connecting plate 126 is slidably connected in the compressing cavity 125 along the vertical direction, the compressing cavity 125 is provided with a compressing spring 73, one end of the compressing spring 73 is fixed with one side of the connecting plate 126 close to the compressing plate 72, and the other end is fixed with the inner wall of the compressing cavity 125.

After the operator installs backup pad 2, the operator places circuit board 3 on backup pad 2, and the operator moves pinch plate 72 towards the direction of keeping away from first framed board 12 again, and pinch plate 72 drives pinch post 71 and connecting plate 126 and removes, and pinch spring 73 is in compressed state, and the operator places clamp plate 4 again between pinch plate 72 and first framed board 12 for clamp plate 4 and circuit board 3 looks butt, and clamp plate 4 carries out spacingly to the components and parts on the circuit board 3 this moment, makes the difficult possibility of deformation of the components and parts on the circuit board 3. The operator releases the hold-down plate 72 again, and under the effect of the resilience of the hold-down spring 73, the hold-down plate 72 offsets tightly with the clamp plate 4 for the clamp plate 4 is difficult for separating with the circuit board 3, so that the clamp plate 4 is comparatively steadily spacing the circuit board 3.

The implementation principle of the adjustable wave soldering jig for the SMT component is as follows: the operator uses the size of flexible subassembly 5 regulation welding space 11 to the not unidimensional circuit board 3 of adaptation, and the backup pad 2 that reuse fixed subassembly 6 will with circuit board 3 looks adaptation is fixed mutually with first frame plate 12, at this moment under the effect of flexible subassembly 5 and fixed subassembly 6, has increased the holistic application scope of tool, has reduced the step that the operator looked for the not unidimensional tool, thereby has provided convenience for the operator to the welding of not unidimensional circuit board 3.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. Wave soldering tool with adjustable SMT component is used, its characterized in that: including four corner (1) of end to end, four of end to end form between corner (1) be used for welding space (11) of circuit board (3), corner (1) are including first framed board (12) and second framed board (13), first framed board (12) are connected with adjacent second framed board (13) through telescopic subassembly (5), be equipped with backup pad (2) that are used for placing circuit board (3) in welding space (11), backup pad (2) are connected with first framed board (12) through fixed subassembly (6).

2. An adjustable wave soldering jig for SMT components as defined in claim 1, wherein: the telescopic assembly (5) comprises a telescopic rod (51), a telescopic block (52) and a plurality of clamping blocks (53), wherein the telescopic rod (51) is arranged on one side, close to an adjacent second frame plate (13), of a first frame plate (12), a first telescopic groove (131) is formed in the second frame plate (13), the telescopic rod (51) is slidably connected in the first telescopic groove (131), a second telescopic groove (132) is formed in the inner wall of the first telescopic groove (131), the telescopic block (52) is slidably connected in the second telescopic groove (132), a telescopic spring (14) is arranged between the telescopic block (52) and the groove bottom of the second telescopic groove (132), each clamping block (53) is uniformly arranged on the telescopic rod (51), and a clamping groove (531) matched with the telescopic block (52) is formed between the two adjacent clamping blocks (53).

3. An adjustable wave soldering jig for SMT components as defined in claim 2, wherein: one end of the telescopic rod (51) far away from the first frame plate (12) is provided with a limiting plate (54), the inner wall of the first telescopic groove (131) is provided with a limiting groove (133), and the limiting plate (54) is slidably connected in the limiting groove (133).

4. An adjustable wave soldering jig for SMT components as defined in claim 2, wherein: one end of the telescopic block (52) far away from the telescopic spring (14) is arranged in an arc shape, and one end of each clamping block (53) far away from the telescopic rod (51) is arranged in an arc shape.

5. An adjustable wave soldering jig for SMT components as defined in claim 1, wherein: fixed subassembly (6) fixed plate (61) and fixed block (62), first fixed slot (121) have been seted up on first framed board (12), fixed plate (61) rotate and connect in first fixed slot (121), second fixed slot (611) have been seted up on fixed plate (61), fixed block (62) sliding connection is in second fixed slot (611), be equipped with fixed spring (612) between the tank bottom of fixed block (62) and second fixed slot (611), yield groove (122) have been seted up to the inner wall of first fixed slot (121), fixed block (62) set up in yield groove (122), be equipped with joint board (22) on backup pad (2), set up on first framed board (12) with first fixed slot (121) be linked together's supporting groove (123), joint board (22) set up in supporting groove (123), fixed plate (61) and joint board (22).

6. An adjustable wave soldering jig for SMT components as defined in claim 5, wherein: the fixing plate (61) is provided with a fixing column (63), the clamping plate (22) is provided with a clamping hole (221), and the fixing column (63) is arranged in the clamping hole (221).

7. An adjustable wave soldering jig for SMT components as defined in claim 5, wherein: the utility model discloses a detachable plate, including fixed plate (61), fixed plate (61) and stay cord (67), set up dismantlement groove (613), sliding connection has dismantlement board (64) in dismantlement groove (613), set up in fixed plate (61) and dismantle chamber (614), dismantlement board (64) extend to dismantle in chamber (614), it is connected with gyro wheel (66) to dismantle chamber (614) rotation, around being equipped with stay cord (67) on gyro wheel (66), stay cord (67) and dismantlement board (64) looks butt, the one end that dismantles board (64) was kept away from to stay cord (67) extends to in second fixed groove (611) and is connected with fixed block (62).

8. An adjustable wave soldering jig for SMT components as defined in claim 1, wherein: still include clamp plate (4), clamp plate (4) set up between backup pad (2) is kept away from in circuit board (3), be equipped with on first framed board (12) and be used for fixed clamp plate (4) compress tightly subassembly (7), compress tightly subassembly (7) including compressing tightly post (71) and pressure strip (72), offered on first framed board (12) and compress tightly groove (124), compress tightly post (71) sliding connection in compressing tightly groove (124), set up in first framed board (12) with compress tightly groove (124) be linked together compress tightly chamber (125), compress tightly post (71) and extend into in compressing tightly chamber (125) and be connected with connecting plate (126), be equipped with between connecting plate (126) and the inner wall that compresses tightly chamber (125) and compress tightly spring (73), compress tightly plate (72) set up the one end that first framed board (12) were kept away from to the pressure strip, pressure strip (72) and clamp plate (4) looks butt.