CN219205130U

CN219205130U - SMT production jig of flexible PCB

Info

Publication number: CN219205130U
Application number: CN202320019484.9U
Authority: CN
Inventors: 杨伟光; 姚景科; 刘江华
Original assignee: Huizhou Aibaoda Electronics Co ltd
Current assignee: Huizhou Aibaoda Electronics Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-16
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to an SMT production jig for a flexible PCB, and belongs to the technical field of production jigs. The technical scheme mainly aims at the problem that an operating mechanism in the existing product lacks a limiting structure and comprises a base, the top of the base is provided with a lower die, the back of the lower die is provided with a sliding rod group positioned on the base, a loading frame is movably connected to the sliding rod group, the bottom of the loading frame is provided with an upper die, a second spring is connected between the loading frame and the base, and the right side of the loading frame is provided with an operating mechanism positioned on the base. According to the utility model, the adjusting structure is additionally arranged on the connecting block and the handle, and the limiting piece is further used for realizing the limiting locking after the handle is adjusted, so that hands of a worker are liberated, the flexible PCB can be fed and discharged in a double-hand state, and the flexible PCB can be rapidly and accurately placed in the lower die during feeding, so that the working efficiency is improved, and the flexible PCB feeding mechanism is simple in structure, convenient to operate, low in manufacturing cost and convenient to popularize.

Description

SMT production jig of flexible PCB

Technical Field

The utility model relates to the technical field of production jigs, in particular to an SMT production jig for a flexible PCB.

Background

In the SMT production jig of the flexible PCB, the flexible PCB is generally fixed by using the upper die and the lower die to clamp the flexible PCB, so that the flexible PCB is not easy to deform when being stuck with an SMT patch, but the production jig adopted in the current market has no positioning mechanism when the upper die and the lower die are clamped, and the clamping condition is confirmed by the artificial eyes, so that the clamping precision is greatly reduced, and the upper die and the lower die are clamped only manually, so that the production efficiency is not high.

The utility model provides a current Chinese patent of authorizing bulletin number CN211128465U, discloses a flexible PCB's SMT production tool, including last mould and lower mould, the bottom outer wall integrated into one piece of going up the mould has four location bosss, and the lower mould is close to one side outer wall of location boss and all opens there is the constant head tank, and one side outer wall of going up the mould is provided with fixed establishment, and one side outer wall of going up the mould is provided with operating device, and the bottom outer wall of lower mould has the base through bolted connection, and the top outer wall of base is provided with slide mechanism, and one side inner wall of base is opened there are two countersunk bolt holes, and the lower mould is close to the inner wall of countersunk bolt hole down and all is opened there are the lower screw hole, and the inner wall of going up the mould is opened there are a plurality of laminating holes, and fixed establishment includes mounting panel and slider. According to the utility model, the operating mechanism is arranged, after the surface mounting process is finished, an operator can press the handle and mesh the gear and the rack, so that the purpose of separating the die is achieved, the die is not required to be manually conveyed, and the production efficiency is improved.

The technical scheme in the above patent document realizes convenient film separation of the upper die and the lower die, but in the actual operation process, one hand of a worker is always positioned on the handle of the operating mechanism when the upper die and the lower die are separated, so that the worker can only operate by one hand when feeding and discharging the flexible PCB, and the operation mode of one hand is particularly in the calibration and placement process of the flexible PCB during feeding, so that the production efficiency of the worker is influenced.

Therefore, how to process the production jig is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides an SMT production jig for a flexible PCB.

The technical scheme of the utility model is as follows: the SMT production jig for the flexible PCB comprises a base, wherein a lower die is arranged at the top of the base, a sliding rod group positioned on the base is arranged at the back of the lower die, a loading frame is movably connected to the sliding rod group, an upper die is arranged at the bottom of the loading frame, a second spring is connected between the loading frame and the base, an operating mechanism positioned on the base is arranged on the right side of the loading frame, the operating mechanism comprises a fixed plate, a transmission shaft is rotatably connected to the fixed plate, an adjusting structure is arranged at the right end of the transmission shaft, a gear is arranged at the left end of the transmission shaft, and a rack positioned on the loading frame is arranged at the back of the gear;

the adjusting structure comprises a connecting piece, a handle is arranged on the front face of the connecting piece, and a limiting piece positioned on the fixing plate is arranged on the left side of the connecting piece.

Preferably, the connecting piece comprises a connecting block fixedly connected to the transmission shaft, a cavity is formed in the connecting block, a moving plate is slidably connected in the cavity, and a wedge block I and a spring group are arranged on the right side shell wall of the moving plate.

Preferably, the first wedge block is fixedly connected to the middle part of the right side of the movable plate, the spring group comprises first springs, the first springs are respectively positioned above and below the first wedge block, and the other ends of the first springs are arranged on the inner wall of the cavity.

Preferably, a through hole is formed in the front shell wall of the connecting block, and the handle is fixedly connected to the outer wall of the through hole.

Preferably, the handle comprises an outer sleeve, an adjusting rod is movably connected in the outer sleeve, one end of the adjusting rod extends into the cavity and is fixedly connected with a wedge block II, and the wedge block II is in sliding contact with the wedge block I.

Preferably, the other end of the adjusting rod extends out of the tail end of the outer sleeve and is provided with a pressing block.

Preferably, the limiting part comprises a fixed rod, a groove is formed in the fixed rod, a moving rod is slidably connected in the groove, a spring III is arranged at one end of the moving rod, and the other end of the spring III is fixedly connected to the inner wall of the groove.

Preferably, an arc-shaped groove is formed in the left shell wall of the connecting block, a through hole is formed in the middle of the arc-shaped groove, a ball is connected to one end, far away from the fixed rod, of the spring III in a rolling mode, and the ball is in rolling contact with the arc-shaped groove.

Compared with the prior art, the utility model has the following beneficial technical effects:

through add adjustment structure on connecting block and handle, assist the spacing kayser after the spacing piece and then realize the handle adjustment again, liberate staff's hand for it can go up the unloading to flexible PCB with the state of both hands, and then can be quick accurate place it in the lower mould during the material loading, improve work efficiency, and its simple and convenient structure, convenient operation, the cost is with low costs, the facilitate promotion.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of the adjusting structure of FIG. 1;

FIG. 3 is a schematic rear view of the structure of FIG. 2;

fig. 4 is a schematic diagram of a front cross-sectional structure of the stopper of fig. 1.

Reference numerals: 1. a base; 2. a lower die; 3. a slide bar set; 4. a loading rack; 5. a second spring; 6. an upper die; 7. a rack; 8. a gear; 9. a fixing plate; 10. a connecting piece; 101. a connecting block; 102. a moving plate; 103. a wedge block I; 104. a spring set; 11. a handle; 111. an outer sleeve; 112. an adjusting rod; 113. a wedge II; 12. a limiting piece; 121. a fixed rod; 122. a moving rod; 123. and a third spring.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1 and 3, the SMT production jig for flexible PCBs provided by the utility model comprises a base 1, wherein a lower die 2 is arranged at the top of the base 1, a slide bar group 3 positioned on the base 1 is arranged at the back of the lower die 2, a loading frame 4 is movably connected to the slide bar group 3, an upper die 6 is arranged at the bottom of the loading frame 4, a second spring 5 is connected between the loading frame 4 and the base 1, an operating mechanism positioned on the base 1 is arranged on the right side of the loading frame 4, the operating mechanism comprises a fixed plate 9, a transmission shaft is rotatably connected to the fixed plate 9, an adjusting structure is arranged at the right end of the transmission shaft, a gear 8 is arranged at the left end of the transmission shaft, and a rack 7 positioned on the loading frame 4 is arranged at the back of the gear 8;

the adjusting structure comprises a connecting piece 10, a handle 11 is arranged on the front surface of the connecting piece 10, and a limiting piece 12 positioned on the fixed plate 9 is arranged on the left side of the connecting piece 10;

the connecting piece 10 comprises a connecting block 101 fixedly connected to a transmission shaft, a cavity is formed in the connecting block 101, a movable plate 102 is slidably connected in the cavity, a wedge block I103 and a spring group 104 are arranged on the right side shell wall of the movable plate 102, the wedge block I103 is fixedly connected to the right side middle part of the movable plate 102, the spring group 104 comprises two springs I, the two springs I are respectively located above and below the wedge block I103, the other ends of the two springs I are arranged on the inner wall of the cavity, a through hole is formed in the front side shell wall of the connecting block 101, and the handle 11 is fixedly connected to the outer wall of the through hole.

The SMT production jig based on the first embodiment has the working principle that when the product needs to split the upper die 6 and the lower die 2, an adjusting structure in the operating mechanism is shifted, so that the upper die 6 is lifted, and the second spring 5 is stretched. When the adjusting structure in the operating mechanism is adjusted, the handle 11 is shifted, so that the connecting piece 10 moves along with the handle, the gear 8 is driven to rotate through the transmission shaft, the gear 8 and the rack are meshed for transmission, and then the loading frame 4 drives the upper die 6 to move, and the die separation operation is realized. The connecting piece 10 is in the in-process of motion, and along with the adjustment of its angle, the locating part 12 slides in last arc wall, and when its motion was put to suitable position, the locating part 12 joint was in the connecting piece 10, realizes spacing to adjustment structure, and then liberates staff's hand, makes things convenient for the staff to place flexible PCB on lower mould 2.

After the flexible PCB is placed, the upper die 6 and the lower die 2 need to be clamped, the handle 11 is adjusted first, so that the handle can adjust the moving plate 102 in the connecting piece 10, the limiting piece 12 is ejected out, and the adjusting structure is convenient to adjust, so that the clamping operation of the upper die 6 and the lower die 2 is realized.

Example two

As shown in fig. 3, the SMT production jig for flexible PCB according to the present utility model further includes, compared to the first embodiment: the handle 11 comprises an outer sleeve 111, an adjusting rod 112 is movably connected in the outer sleeve 111, one end of the adjusting rod 112 extends into the cavity and is fixedly connected with a wedge block II 113, the wedge block II 113 is in sliding contact with the wedge block I103, and the other end of the adjusting rod 112 extends out of the tail end of the outer sleeve 111 and is provided with a pressing block.

In this embodiment, during the operation of the handle 11, the pressing block is pressed, so that the adjusting rod 112 drives the second wedge 113 to move, the second wedge 113 is in sliding contact with the first wedge 103, so that the moving plate 102 is displaced, and the spring set 104 is stretched.

In this embodiment, the movement of the moving plate 102 causes the stopper 12 to cancel its stopper function, and the spring set 104 is arranged so that it automatically resets without the operation of the handle 11.

Example III

As shown in fig. 2 and 4, the SMT production jig for flexible PCBs according to the present utility model further includes: the limiting part 12 comprises a fixed rod 121, a groove is formed in the fixed rod 121, a moving rod 122 is slidably connected in the groove, a third spring 123 is arranged at one end of the moving rod 122, the other end of the third spring 123 is fixedly connected to the inner wall of the groove, an arc-shaped groove is formed in the left shell wall of the connecting block 101, a through hole is formed in the middle of the arc-shaped groove, a ball is connected to one end, far away from the fixed rod 121, of the third spring 123 in a rolling mode, and rolling contact is achieved between the ball and the arc-shaped groove.

In this embodiment, the limiting member 12 moves in the arc-shaped slot, and the arc-shaped slot is provided with a through hole, so that when the connecting member 10 is adjusted to a proper position, the moving rod 122 in the limiting member 12 is clamped into the through hole, thereby realizing the clamping and limiting of the moving rod, and freeing the hands of the staff.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a flexible PCB's SMT production tool, includes the base, the top of base is provided with the lower mould, and the back of lower mould is equipped with the slide bar group that is located the base, and swing joint has the loading frame on the slide bar group, and the bottom of loading frame is provided with the mould, and is connected with the spring two between loading frame and the base, the right side of loading frame is provided with the operating device who is located the base, its characterized in that: the operating mechanism comprises a fixed plate, a transmission shaft is rotatably connected to the fixed plate, an adjusting structure is arranged at the right end of the transmission shaft, a gear is arranged at the left end of the transmission shaft, and a rack positioned on the loading frame is arranged at the back of the gear;

2. The SMT production jig of flexible PCB of claim 1, wherein: the connecting piece comprises a connecting block fixedly connected to the transmission shaft, a cavity is formed in the connecting block, a moving plate is slidably connected in the cavity, and a wedge block I and a spring group are arranged on the right side shell wall of the moving plate.

3. The SMT production jig of flexible PCB of claim 2, wherein: the first wedge block is fixedly connected to the middle of the right side of the movable plate, the spring group comprises two first springs, the two first springs are respectively located above and below the first wedge block, and the other ends of the two first springs are arranged on the inner wall of the cavity.

4. The SMT production jig of flexible PCB of claim 2, wherein: and a through hole is formed in the front shell wall of the connecting block, and the handle is fixedly connected to the outer wall of the through hole.

5. The SMT production jig of flexible PCB of claim 2, wherein: the handle comprises an outer sleeve, an adjusting rod is movably connected inside the outer sleeve, one end of the adjusting rod extends into the cavity and is fixedly connected with a wedge block II, and the wedge block II is in sliding contact with the wedge block I.

6. The SMT production jig of claim 5, wherein: the other end of the adjusting rod extends out of the tail end of the outer sleeve and is provided with a pressing block.

7. The SMT production jig of flexible PCB of claim 2, wherein: the limiting piece comprises a fixed rod, a groove is formed in the fixed rod, a moving rod is slidably connected in the groove, a spring III is arranged at one end of the moving rod, and the other end of the spring III is fixedly connected to the inner wall of the groove.

8. The SMT production jig of claim 7, wherein: an arc groove is formed in the left shell wall of the connecting block, a through hole is formed in the middle of the arc groove, one end, far away from the fixed rod, of the spring III is connected with a ball in a rolling mode, and the ball is in rolling contact with the arc groove.