CN213073251U

CN213073251U - Be applied to PCB board wave-soldering tool of SMT subsides dress line

Info

Publication number: CN213073251U
Application number: CN202022340394.9U
Authority: CN
Inventors: 周敏
Original assignee: Jiangsu Shuomite Electronic Technology Co ltd
Current assignee: Jiangsu Shuomite Electronic Technology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-04-27
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a be applied to PCB board wave-soldering tool of SMT subsides dress line, which comprises a tray, the mounting groove has been seted up at the upside middle part of tray, the upside of tray is provided with the frame, first spout has all been seted up to both sides inner wall around the frame, the second spout has all been seted up in the upside on two limits around the frame about two portions, the inside left and right sides of frame all nests there is the bracing piece, both ends all are fixed with the slider around the bracing piece, the slider nestification is in first spout, the upper end of slider is fixed with the threaded rod, the second spout is run through to the upper end of threaded rod, the second nut has been cup jointed to the top screw thread of threaded rod, equidistant the piece that compresses tightly has been cup jointed on the bracing piece. The utility model discloses a remove the threaded rod and compress tightly the piece, can adjust the position that compresses tightly the piece according to the size of PCB board, can fix not unidimensional PCB board, can be suitable for with not unidimensional PCB board, enlarged application range.

Description

Be applied to PCB board wave-soldering tool of SMT subsides dress line

Technical Field

The utility model relates to a PCB board wave-soldering field, concretely relates to be applied to PCB board wave-soldering tool of SMT subsides dress line.

Background

Wave soldering is the soldering process in which the soldering surface of a plug-in board is directly contacted with high-temperature liquid tin to achieve the purpose of soldering, the high-temperature liquid tin keeps an inclined surface, and the liquid tin forms a wave-like phenomenon by a special device, so the wave soldering is called as wave soldering, and the main material of the wave soldering is a soldering tin bar. The existing wave-soldering jig generally comprises a bearing plate, a groove which is arranged on the bearing plate and used for accommodating a circuit board, and pressing pieces which are positioned on two sides of the groove and used for positioning the circuit board. When the positioning device is used, the circuit board is placed in the groove, and then the circuit board is pressed on two sides of the edge of the circuit board through the pressing piece, so that the positioning of the circuit board can be realized.

At present, the mounted position that compresses tightly of wave-soldering tool is generally fixed, when the PCB board is too big or undersize, can't carry out effectual fixed, needs to change the wave-soldering tool of corresponding, has increased manufacturing cost, makes the application range of wave-soldering tool receive the limitation simultaneously.

Therefore, it is necessary to provide a wave soldering jig for a PCB board applied to an SMT mounting line to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB wave-soldering jig applied to SMT mounting line, which removes the fixation of a threaded rod by loosening a second nut, thereby moving a support rod, adjusting the distance between a left support rod and a right support rod, achieving the purpose of adjusting the distance between the left pressing piece and the right pressing piece, arranging a sliding connection between a moving frame and the support rod, being convenient for changing the position of the pressing piece on the support rod, thereby changing the distance between the front pressing piece and the rear pressing piece, achieving the purpose of adjusting the distance between the front pressing piece and the rear pressing piece, thereby adjusting the position of the pressing piece according to the size of the PCB, fixing PCBs with different sizes, being suitable for PCBs with different sizes, enlarging the application range, and the PCB wave-soldering jig is composed of a tray, a support plate, an outer frame, a support rod and the pressing piece, is simple and convenient to install, and is convenient to disassemble, when one of the wave soldering jigs is damaged, the damaged wave soldering jig is only needed to be disassembled for replacement, the whole wave soldering jig is not needed to be replaced, the cost is saved, and the defects in the technology are overcome.

In order to achieve the above object, the present invention provides the following technical solutions: a PCB wave-soldering jig applied to SMT mounting lines comprises a tray, wherein a mounting groove is formed in the middle of the upper side of the tray and is rectangular, bolt mounting holes are formed in the four corners of the mounting groove, rectangular holes are formed in the middle of the mounting groove, a supporting plate is nested in the mounting groove, wave-soldering holes are formed in the surface of the supporting plate, locking bolts are nested in the four corners of the supporting plate, the tail ends of the locking bolts are in threaded connection with the bolt mounting holes, an outer frame is arranged on the upper side of the tray, first sliding grooves are formed in the inner walls of the front side and the rear side of the outer frame and penetrate through the two inner sides of the side wall of the outer frame, second sliding grooves are formed in the left side and the right side of the upper side of the front side and the rear side of the outer frame and are communicated with the first sliding grooves, supporting rods are nested in the left, the cross-section of bracing piece sets up to the rectangle, both ends all are fixed with the slider around the bracing piece, the slider is nested in first spout, the upper end of slider is fixed with the threaded rod, the upper end of threaded rod runs through the second spout, the top screw thread of threaded rod has cup jointed the second nut, equidistant the cup jointing of bracing piece compresses tightly the piece, compress tightly the piece including removing the frame, remove the frame and cup joint on the bracing piece, it sets up to sliding connection to remove between frame and bracing piece, the lateral wall that removes the frame is fixed with the connecting block, the one end upside that removes the frame was kept away from to the connecting block is connected with the turning block, the thread nestification has adjusting screw on the turning block, adjusting screw's lower extreme runs through the turning block and is connected with.

Preferably, the four corners on the surface of the upper side of the tray are all fixed with threaded columns, the four corners on the surface of the upper side of the outer frame are all provided with limiting holes, the limiting holes penetrate through the upper side and the lower side of the outer frame, the threaded columns are respectively embedded in the four limiting holes, the height of each threaded column is larger than the depth of each limiting hole, a first nut is sleeved on the top end thread of each threaded column, and the outer diameter of the first nut is larger than the diameter of each limiting hole.

Preferably, sliding connection is arranged between the sliding block and the first sliding groove, and sliding connection is arranged between the threaded rod and the second sliding groove.

Preferably, the threaded rod, the sliding block and the supporting rod are processed into an integrated structure.

Preferably, the outer diameter of the second nut is larger than the width of the second sliding groove.

Preferably, the upper side surface of the supporting rod is provided with a groove, the upper side thread of the movable frame is nested with a fixing bolt, the lower end of the fixing bolt extends into the groove, and the lower end of the fixing bolt is in contact with the inner wall of the groove.

Preferably, the rotating block is hinged with the connecting block through a pin shaft.

Preferably, the holding tank has been seted up to the bottom of briquetting down, the port department nestification of holding tank has the extrusion piece, the bottom of extrusion piece is fixed with rubber buffer pad, be fixed with buffer spring between the upper side inner wall of extrusion piece and holding tank.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the fixing of the threaded rod is released by loosening the second nut, so that the supporting rod can be moved, the distance between the left supporting rod and the right supporting rod is adjusted, the purpose of adjusting the distance between the left pressing piece and the right pressing piece is achieved, the sliding connection is arranged between the moving frame and the supporting rod, the position of the pressing piece on the supporting rod is convenient to change, the distance between the front pressing piece and the rear pressing piece is changed, the purpose of adjusting the distance between the front pressing piece and the rear pressing piece is achieved, the position of the pressing piece can be adjusted according to the size of a PCB, PCBs with different sizes can be fixed, the PCB with different sizes can be suitable for PCB with different sizes, the application range is expanded, the PCB wave soldering jig is composed of a tray, a supporting plate, an outer frame, the supporting rod and the pressing piece, the installation is simple and convenient, the disassembly is convenient, when one of the PCB is damaged, only the disassembly of the PCB is needed, the cost is saved;

2. be fixed with rubber buffer through the bottom at the extrusion piece, and be provided with buffer spring between extrusion piece and lower briquetting, effectually avoid the extrusion piece to cause the damage to the PCB board through rubber buffer, have fine guard action, make the rubber buffer of extrusion piece bottom laminate with the PCB board all the time through buffer spring's elasticity, the effectual effect that improves spacing and protection, avoid causing the rigidity damage to the PCB board, and articulated through the round pin axle between turning block and link block, can rotate the position that comes the regulation turning block to the turning block, thereby adjust the position of extrusion piece, avoid the extrusion piece to press the electronic component on the PCB board, avoid causing the damage to electronic component.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the tray of the present invention;

fig. 3 is a top view of the outer frame of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a schematic view of the support rod of the present invention;

fig. 6 is a schematic view of the compressing member of the present invention;

fig. 7 is a cross-sectional view of the connection between the lower pressing block and the extruding block of the present invention.

Description of reference numerals:

1 tray, 2 mounting grooves, 3 bolt mounting holes, 4 rectangular holes, 5 supporting plates, 6 wave soldering holes, 7 locking bolts, 8 threaded columns, 9 outer frames, 10 limiting holes, 11 first nuts, 12 first sliding grooves, 13 second sliding grooves, 14 supporting rods, 15 grooves, 16 sliding blocks, 17 threaded rods, 18 second nuts, 19 moving frames, 20 fixing bolts, 21 connecting blocks, 22 rotating blocks, 23 adjusting screw rods, 24 lower pressing blocks, 25 accommodating grooves, 26 extruding blocks, 27 buffer springs and 28 pressing pieces.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a PCB wave soldering jig applied to SMT mounting line as shown in figures 1-7, which comprises a tray 1, wherein a mounting groove 2 is arranged at the middle part of the upper side of the tray 1, the mounting groove 2 is set to be rectangular, bolt mounting holes 3 are arranged at the four corners of the mounting groove 2, a rectangular hole 4 is arranged at the middle part of the mounting groove 2, a supporting plate 5 is nested in the mounting groove 2, a wave soldering hole 6 is arranged on the surface of the supporting plate 5, locking bolts 7 are nested at the four corners of the supporting plate 5, the tail end of the locking bolt 7 is in threaded connection with the bolt mounting holes 3, an outer frame 9 is arranged at the upper side of the tray 1, first chutes 12 are arranged on the inner walls of the front side and the rear side of the outer frame 9, the first chutes 12 penetrate through the inner sides of the side wall of the outer frame 9, second chutes 13 are arranged at the left part and the right part of, the second sliding groove 13 is communicated with the first sliding groove 12, the left side and the right side of the inner part of the outer frame 9 are respectively nested with a supporting rod 14, the section of the supporting rod 14 is set to be rectangular, the front end and the rear end of the supporting rod 14 are respectively fixed with a sliding block 16, the sliding blocks 16 are nested in the first sliding grooves 12, the upper ends of the sliding blocks 16 are fixed with a threaded rod 17, the upper ends of the threaded rods 17 penetrate through the second sliding groove 13, the top end threads of the threaded rods 17 are sleeved with second nuts 18, the supporting rod 14 is sleeved with pressing pieces 28 at equal intervals, the pressing pieces 28 comprise a movable frame 19, the movable frame 19 is sleeved on the supporting rod 14, a sliding connection is arranged between the movable frame 19 and the supporting rod 14, the side wall of the movable frame 19 is fixed with a connecting block 21, the upper side of one end, far away from the movable frame 19, of the connecting block 21 is, the lower end of the adjusting screw 23 penetrates through the rotating block 22 and is connected with a lower pressing block 24.

Further, in above-mentioned technical scheme, the four corners on the upside surface of tray 1 all is fixed with screw thread post 8, spacing hole 10 has all been seted up in the four corners on the upside surface of frame 9, spacing hole 10 runs through the upper and lower both sides of frame 9, four screw thread post 8 is nested four respectively in spacing hole 10, screw thread post 8 highly is greater than the degree of depth of spacing hole 10, first nut 11 has been cup jointed to the top screw thread of screw thread post 8, first nut 11's external diameter is greater than the diameter of spacing hole 10, and the installation is simple and convenient between tray 1 and frame 9, and convenient to detach simultaneously conveniently dismantles and gets off to wash the change conveniently to dismantle.

Further, in the above technical solution, a sliding connection is provided between the slider 16 and the first sliding chute 12, and a sliding connection is provided between the threaded rod 17 and the second sliding chute 13, so that the slider 16 can move in the first sliding chute 12, and the threaded rod 17 can move in the second sliding chute 13, so that the threaded rod 17 can move.

Furthermore, in the above technical scheme, the threaded rod 17, the slider 16 and the support rod 14 are processed into an integrated structure, so that the connection strength among the threaded rod 17, the slider 16 and the support rod 14 is improved, and the connection stability is improved.

Further, in the above technical solution, the outer diameter of the second nut 18 is greater than the width of the second sliding groove 13, so that the second nut 18 is screwed tightly to fix the threaded rod 17 and prevent the threaded rod 17 from moving, thereby fixing the supporting rod 14 and making the supporting rod 14 unable to move.

Further, in the above technical solution, a groove 15 is formed in the upper surface of the support rod 14, a fixing bolt 20 is nested in the upper thread of the movable frame 19, the lower end of the fixing bolt 20 extends into the groove 15, the lower end of the fixing bolt 20 contacts with the inner wall of the groove 15, the fixing bolt 20 is loosened, the movable frame 19 is released from being fixed, so that the movable frame 19 can move on the support rod 14, the distance between the front and rear adjacent pressing members 28 can be adjusted, the fixing bolt 20 is tightened, the movable frame 19 can be tightly fixed on the support rod 14, and the pressing members 28 are prevented from moving.

The implementation mode is specifically as follows: the supporting plate 5 is arranged in the mounting groove 2 on the tray 1, the supporting plate 5 is fixed through a locking bolt 7, four limit holes 10 on an outer frame 9 are aligned with four thread columns 8 on the tray 1, the four limit holes 10 on the outer frame 9 are respectively sleeved on the four thread columns 8 on the tray 1, then a first nut 11 is sleeved at the top ends of the thread columns 8 through threads, the first nut 11 is screwed tightly, the outer frame 9 is fixed on the tray 1, a pressing piece 28 is sleeved on a supporting rod 14 through a moving frame 19, a sliding block 16 and a threaded rod 17 at two ends of the supporting rod 14 are firstly nested in a first sliding groove 12, the supporting rod 14 is rotated to enable the threaded rod 17 to penetrate through a second sliding groove 13, then a second nut 18 is sleeved at the top end of the threaded rod 17 through threads, the second nut 18 is screwed tightly, the whole PCB wave crest soldering jig is mounted, the mounting is simple and convenient, the dismounting is simultaneously realized, when one of the components is damaged, when the PCB is fixed, the second nut 18 is loosened to enable the supporting rod 14 to move left and right, the positions of the left and right supporting rods 14 are moved according to the size of the PCB, the distance between the left and right pressing pieces 28 is adjusted according to the length of the PCB, the second nut 18 is tightened to fix the threaded rod 17 so as to fix the supporting rod 14, the fixing bolt 20 on the pressing pieces 28 is loosened so that the pressing pieces 28 can move on the supporting rod 14, the distance between the front and rear pressing pieces 28 is adjusted according to the width of the PCB, then the fixing bolt 20 is tightened to fix the pressing pieces 28, the positions of the pressing pieces 28 can be adjusted according to the size of the PCB, PCB boards with different sizes can be fixed, the wave soldering jig can be suitable for PCB boards with different sizes, and the application range is expanded, this embodiment has specifically solved the wave-soldering tool that exists among the prior art and has compressed tightly the mounted position of piece and generally be fixed, when the PCB board is too big or the undersize, can't carry out effectual fixed, needs to change the wave-soldering tool of corresponding, has increased manufacturing cost, makes the application range of wave-soldering tool receive the problem of limitation simultaneously.

As shown in fig. 1 and fig. 6 to 7, in the above technical solution, the rotating block 22 is hinged to the connecting block 21 by a pin shaft, so that the rotating block 22 and the connecting block 21 can rotate conveniently, and the position of one end of the rotating block 22 away from the connecting block 21 is adjusted, so as to adjust the position of the extruding block 26, prevent the extruding block 26 from pressing the electronic component on the PCB board, and avoid damaging the electronic component.

Further, in above-mentioned technical scheme, holding tank 25 has been seted up to briquetting 24's bottom down, the port department nestification of holding tank 25 has extrusion piece 26, extrusion piece 26's bottom is fixed with rubber buffer, be fixed with buffer spring 27 between extrusion piece 26 and holding tank 25's the upside inner wall, cause the damage to the PCB board through the effectual extrusion piece 26 of avoiding of rubber buffer, have fine guard action, make the rubber buffer of extrusion piece 26 bottom laminate with the PCB board all the time through buffer spring 27's elasticity, the effectual effect that improves spacing and protection.

The implementation mode is specifically as follows: the adjusting screw 23 is rotated, the adjusting screw 23 moves downwards to drive the lower pressing block 24 to move downwards, the lower pressing block 24 moves downwards to drive the extrusion block 26 to move downwards to fix the PCB, the bottom of the extrusion block 26 is fixed with a rubber buffer, a buffer spring 27 is arranged between the extrusion block 26 and the lower pressing block 24, the extrusion block 26 is effectively prevented from damaging the PCB through the rubber buffer, the PCB is well protected, the rubber buffer at the bottom of the extrusion block 26 is always attached to the PCB through the elasticity of the buffer spring 27, the limiting and protecting effects are effectively improved, rigid damage to the PCB is avoided, the rotating block 22 is hinged with the connecting block 21 through a pin shaft, the rotating block 22 can be rotated to adjust the position of the rotating block 22, the position of the extrusion block 26 is adjusted, the extrusion block 26 is prevented from pressing electronic elements on the PCB, and damage to the electronic elements is avoided, this embodiment has specifically solved the position fixed plate that compresses tightly the piece that exists among the prior art for compress tightly the electronic component on the extrusion piece is pressed the PCB board easily, cause the problem of damage to electronic component.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a be applied to PCB board wave-soldering tool of SMT subsides dress line, includes tray (1), its characterized in that: the middle part of the upper side of the tray (1) is provided with a mounting groove (2), the mounting groove (2) is set to be rectangular, four corners of the mounting groove (2) are provided with bolt mounting holes (3), the middle part of the mounting groove (2) is provided with a rectangular hole (4), the mounting groove (2) is nested with a support plate (5), the surface of the support plate (5) is provided with wave-soldering holes (6), four corners of the support plate (5) are nested with locking bolts (7), the tail end of each locking bolt (7) is in threaded connection with the bolt mounting holes (3), the upper side of the tray (1) is provided with an outer frame (9), the inner walls of the front side and the rear side of the outer frame (9) are provided with first sliding grooves (12), the first sliding grooves (12) penetrate through the two inner sides of the side wall of the outer frame (9), the upper side and the left side and the right side of the upper side of the, the second sliding groove (13) is communicated with the first sliding groove (12), the left side and the right side of the inner part of the outer frame (9) are respectively nested with a supporting rod (14), the section of the supporting rod (14) is set to be rectangular, the front end and the rear end of the supporting rod (14) are respectively provided with a sliding block (16), the sliding blocks (16) are nested in the first sliding groove (12), the upper end of each sliding block (16) is fixedly provided with a threaded rod (17), the upper end of each threaded rod (17) penetrates through the second sliding groove (13), the top end of each threaded rod (17) is in threaded sleeve connection with a second nut (18), the supporting rods (14) are sleeved with pressing pieces (28) at equal intervals, each pressing piece (28) comprises a moving frame (19), each moving frame (19) is sleeved on the corresponding supporting rod (14), a sliding connection is arranged between each moving frame (19) and the corresponding supporting rod (14), and connecting blocks (21) are fixed on the, the one end upside that removal frame (19) was kept away from in connecting block (21) is connected with turning block (22), threaded nest has adjusting screw (23) on turning block (22), the lower extreme of adjusting screw (23) runs through turning block (22) and is connected with briquetting (24) down.

2. The PCB wave soldering jig applied to the SMT attaching line according to claim 1, wherein: the four corners on the upper side surface of tray (1) all are fixed with screw thread post (8), spacing hole (10) have all been seted up in the four corners on the upper side surface of frame (9), the upper and lower both sides of frame (9) are run through in spacing hole (10), four screw thread post (8) are nested respectively in four in spacing hole (10), the degree of depth that highly is greater than spacing hole (10) of screw thread post (8), first nut (11) have been cup jointed to the top screw thread of screw thread post (8), the outside diameter of first nut (11) is greater than the diameter in spacing hole (10).

3. The PCB wave soldering jig applied to the SMT attaching line according to claim 1, wherein: sliding connection is arranged between the sliding block (16) and the first sliding groove (12), and sliding connection is arranged between the threaded rod (17) and the second sliding groove (13).

4. The PCB wave soldering jig applied to the SMT attaching line according to claim 1, wherein: the threaded rod (17), the sliding block (16) and the supporting rod (14) are processed into an integrated structure.

5. The PCB wave soldering jig applied to the SMT attaching line according to claim 1, wherein: the outer diameter of the second nut (18) is greater than the width of the second runner (13).

6. The PCB wave soldering jig applied to the SMT attaching line according to claim 1, wherein: the utility model discloses a support bar, including bracing piece (14), the upside screw thread of removal frame (19) is nested and is had fixing bolt (20), the lower extreme of fixing bolt (20) stretches into in recess (15), the lower extreme of fixing bolt (20) and the inner wall contact of recess (15).

7. The PCB wave soldering jig applied to the SMT attaching line according to claim 1, wherein: the rotating block (22) is hinged with the connecting block (21) through a pin shaft.

8. The PCB wave soldering jig applied to the SMT attaching line according to claim 1, wherein: holding tank (25) have been seted up to the bottom of briquetting (24), the port department nestification of holding tank (25) has extrusion piece (26), the bottom of extrusion piece (26) is fixed with rubber buffer pad, be fixed with buffer spring (27) between the upside inner wall of extrusion piece (26) and holding tank (25).