CN212885933U

CN212885933U - Welding device of lead frame

Info

Publication number: CN212885933U
Application number: CN202021285099.1U
Authority: CN
Inventors: 陈虎; 殷旭; 陈惠�
Original assignee: Taixing City Longteng Electronics Co ltd
Current assignee: Taixing City Longteng Electronics Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-06
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a welding set of lead frame, including the welding bench, first cavity has been seted up to the inside of welding bench, the interior diapire of first cavity has the clamp plate through the fixed hinge joint of round pin axle, the opening has been seted up to the left surface of welding bench, the left surface of clamp plate runs through the opening and extends to the left side of opening, the first spring of bottom surface fixedly connected with of clamp plate, the bottom of first spring and the interior diapire fixed connection of first cavity, the upper surface of clamp plate has the supporting shoe through the fixed hinge joint of pin, first through-hole has been seted up to the interior roof of first cavity. This welding set of lead frame reaches the effect to the adjustment of standing groove inner space, appears the limitation when avoiding fixing a position the lead frame of different length, has improved the flexibility when fixing the lead frame, and the lead frame of being convenient for simultaneously takes out from the standing groove is inside, prevents that the inconvenient phenomenon of taking out from appearing in the lead frame after the welding is accomplished.

Description

Welding device of lead frame

Technical Field

The utility model belongs to the technical field of the circuit board printing, especially, relate to a welding set of lead frame.

Background

The PCB printing is also called as circuit board printing and is a new industry developed at present, and the rapid development of the screen printing injects vitality into the industry, which brings great revolution to the electronic industry, the current screen printing process can completely adapt to the production of high-density PCB, the lead frame is needed to be used for connecting the leads in the PCB printing process, thus the electrical connection between the leading-out end of the internal circuit of the chip and the external leads can be realized, in the process of processing the lead frame, a welding device is needed to weld the lead frame, but the existing welding device can not position and fix the lead frames with different lengths, there is certain limitation when the welding to be not convenient for take out the lead frame after the welding is accomplished, will reduce welding set's welding efficiency, consequently for solving above problem, we provide a welding set of lead frame.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, it is fixed that it can't fix a position the lead frame of different length to aim at solving above-mentioned welding set who has now, has certain limitation when the welding to be not convenient for take out the lead frame after the welding is accomplished, will reduce welding set welding efficiency's problem.

The utility model is realized in such a way, a welding device of a lead frame, which comprises a welding table, wherein a first cavity is arranged inside the welding table, the inner bottom wall of the first cavity is fixedly articulated with a pressing plate through a pin shaft, the left side surface of the welding table is provided with an opening, the left side surface of the pressing plate penetrates through the opening and extends to the left side of the opening, the bottom surface of the pressing plate is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with the inner bottom wall of the first cavity, the upper surface of the pressing plate is fixedly articulated with a supporting block through a pin, the inner top wall of the first cavity is provided with a first through hole, the upper surface of the supporting block extends to the inside of the first through hole, the upper surface of the welding table is provided with a placing groove, the inside of the welding table is provided with a second cavity, the inner side wall of the second cavity is provided with a second through hole, the left side surface of the sliding plate penetrates through the second through hole and extends to the left side of the second through hole.

The inner bottom wall of second cavity has seted up the slide opening, the inner wall sliding connection of slide opening has the slider, the upper surface of slider and the bottom surface fixed connection of slide, the third through-hole has been seted up to the interior roof of second cavity, the last fixed surface of slide is connected with the connecting plate, the upper surface of connecting plate runs through the third through-hole and extends to the top of third through-hole, the left surface fixedly connected with second spring of connecting plate, the left end of second spring and the inside wall fixed connection of standing groove, the right side fixedly connected with welding mechanism of welding bench.

Preferably, the right side face of the connecting plate is fixedly connected with a protective pad, and the inner side wall of the placing groove is fixedly connected with a positioning block.

Preferably, the inner side wall of the first through hole is fixedly connected with symmetrical sliding blocks, sliding grooves are formed in the left side surface and the right side surface of the supporting block, one side surface, close to each other, of each sliding block extends to the inside of each sliding groove, and the outer surfaces of the sliding blocks are connected with the inner walls of the sliding grooves in a sliding mode.

Preferably, the bottom surface of the welding table is fixedly connected with symmetrical anti-slip seats, and anti-slip stripes are arranged on the bottom surface of each anti-slip seat.

Preferably, the inside of opening is equipped with the protective sheath, the surface of protective sheath and the inner wall fixed connection of opening.

Preferably, the left side of the welding table is provided with an anti-slip pad, and the bottom surface of the anti-slip pad is fixedly connected with the upper surface of the pressing plate.

Preferably, the left side surface of the sliding plate is fixedly connected with a pull handle, and the right side surface of the pull handle is in contact with the left side surface of the welding table.

Compared with the prior art, the beneficial effects of the utility model are that: through second cavity and the opening that is equipped with, can make the slide in both inside, so can drive the connecting plate and remove, reach the effect to standing groove inner space adjustment, limitation appears when avoiding fixing a position lead frame to different length, flexibility when having improved the lead frame fixed, utilize the elasticity that the second spring produced simultaneously, can drive the connecting plate and fix a position fixedly to the inside lead frame of standing groove, through the clamp plate that is equipped with, and with the cooperation between first through-hole and the supporting shoe, can upwards promote the inside lead frame of standing groove, thereby be convenient for the lead frame take out from the inside of standing groove, the inconvenient phenomenon of taking out of lead frame after preventing to weld the completion appears, welding set's welding efficiency will be improved.

Drawings

FIG. 1 is a cross-sectional view of an elevation view of a welding station of the present invention;

FIG. 2 is a top view of the welding table of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a welding table; 2. a first cavity; 3. a port; 4. a second through hole; 5. pressing a plate; 6. a support block; 7. a first through hole; 8. a placement groove; 9. a welding mechanism; 10. a protective pad; 11. a first spring; 12. a second spring; 13. a connecting plate; 14. positioning blocks; 15. a second cavity; 16. a slide plate; 17. a third through hole; 18. a slider; 19. a slide hole; 20. a chute; 21. a slider; 22. an anti-slip seat; 23. a protective sleeve; 24. a non-slip mat; 25. and (5) pulling the handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a lead frame welding device includes a welding table 1, a first cavity 2 is formed inside the welding table 1, a pressing plate 5 is fixedly hinged to an inner bottom wall of the first cavity 2 through a pin, a through hole 3 is formed in a left side surface of the welding table 1, the left side surface of the pressing plate 5 penetrates through the through hole 3 and extends to the left side of the through hole 3, a first spring 11 is fixedly connected to a bottom surface of the pressing plate 5, a bottom end of the first spring 11 is fixedly connected to the inner bottom wall of the first cavity 2, a supporting block 6 is fixedly hinged to an upper surface of the pressing plate 5 through a pin, a first through hole 7 is formed in an inner top wall of the first cavity 2, an upper surface of the supporting block 6 extends to the inside of the first through hole 7, a placing groove 8 is formed in the upper surface of the welding table 1, a second cavity 15 is formed in the welding table 1, a second through hole 4 is formed in an inner side wall of, the left side surface of the slide plate 16 extends through the second through hole 4 and to the left of the second through hole 4.

Slide opening 19 has been seted up to the inner bottom wall of second cavity 15, slide opening 19's inner wall sliding connection has slider 18, slider 18's upper surface and slide 16's bottom surface fixed connection, third through hole 17 has been seted up to the interior roof of second cavity 15, slide 16's last fixed surface is connected with connecting plate 13, the upper surface of connecting plate 13 runs through third through hole 17 and extends to the top of third through hole 17, connecting plate 13's left surface fixedly connected with second spring 12, the left end of second spring 12 and standing groove 8's inside wall fixed connection, the right side fixedly connected with welding mechanism 9 of weld bench 1.

The utility model discloses in, the right flank fixedly connected with protection of connecting plate 13 fills up 10, the inside wall fixedly connected with locating piece 14 of standing groove 8, can be to the better location of lead frame, can protect the lead frame simultaneously, the symmetrical sliding block 21 of inside wall fixedly connected with of first through-hole 7, spout 20 has all been seted up to the left and right sides face of supporting shoe 6, a side that two sliding blocks 21 are close to each other all extends to the inside of every spout 20, and the surface of sliding block 21 and the inner wall sliding connection of spout 20, can make supporting shoe 6 more stable when removing, improve the stability of supporting shoe 6, the symmetrical antiskid seat 22 of bottom surface fixedly connected with of welding bench 1, the antiskid stripe has all been seted up to the bottom surface of every antiskid seat 22, can the better support of the device, prevent the gliding phenomenon from appearing simultaneously.

The utility model discloses in, the inside of opening 3 is equipped with protective sheath 23, the surface of protective sheath 23 and the inner wall fixed connection of opening 3, can protect clamp plate 5, reduce the damage to clamp plate 5, the left side of weld bench 1 is equipped with slipmat 24, the bottom surface of slipmat 24 is connected with the last fixed surface of clamp plate 5, the left end that can make clamp plate 5 possesses certain anti-skidding effect, prevent that gliding phenomenon from appearing in the hand, slide 16's left surface fixed connection draws handle 25, draw handle 25's right flank and weld bench 1's left surface to contact, be convenient for stimulate slide 16, inconvenient phenomenon appears when avoiding slide 16 stimulations.

The utility model discloses a theory of operation is: when the lead frame is welded, firstly, the welding device is communicated with a power supply, then the sliding plate 16 can be pulled by the pull handle 25, the connecting plate 13 can be driven to move along with the sliding plate 16 by the leftward movement of the sliding plate 16, the second spring 12 contracts, then the lead frame can be placed in the placing groove 8, then the pull handle 25 is slowly loosened, the connecting plate 13 and the protective pad 10 can be driven to move rightwards by the extension of the second spring 12 and are contacted and fixed with the lead frame, then the lead frame can be welded by the welding mechanism 9, when the welded lead frame needs to be taken out, the left end of the pressing plate 5 can be pressed downwards, the right end of the pressing plate 5 can be lifted, and the supporting block 6 is installed above the pressing plate 5 through a pin, so that the supporting block 6 can be driven to move upwards, the effect of pushing out lead frame in the placing groove 8 fast is achieved, and the lead frame after welding is taken out conveniently.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A welding device of a lead frame comprises a welding table (1), and is characterized in that: the welding bench is characterized in that a first cavity (2) is formed inside the welding bench (1), a pressing plate (5) is fixedly hinged to the inner bottom wall of the first cavity (2) through a pin shaft, a through hole (3) is formed in the left side face of the welding bench (1), the left side face of the pressing plate (5) penetrates through the through hole (3) and extends to the left side of the through hole (3), a first spring (11) is fixedly connected to the bottom face of the pressing plate (5), the bottom end of the first spring (11) is fixedly connected with the inner bottom wall of the first cavity (2), a supporting block (6) is fixedly hinged to the upper surface of the pressing plate (5) through a pin, a first through hole (7) is formed in the inner top wall of the first cavity (2), the upper surface of the supporting block (6) extends into the first through hole (7), a placing groove (8) is formed in the upper surface of the welding bench (1), a second cavity (15) is formed in the welding bench (1, a second through hole (4) is formed in the inner side wall of the second cavity (15), a sliding plate (16) is arranged inside the second cavity (15), and the left side surface of the sliding plate (16) penetrates through the second through hole (4) and extends to the left side of the second through hole (4);

slide opening (19) have been seted up to the inner bottom wall of second cavity (15), the inner wall sliding connection of slide opening (19) has slider (18), the bottom surface fixed connection of the upper surface of slider (18) and slide (16), third through-hole (17) have been seted up to the interior roof of second cavity (15), the last fixed surface of slide (16) is connected with connecting plate (13), the upper surface of connecting plate (13) runs through third through-hole (17) and extends to the top of third through-hole (17), the left surface fixedly connected with second spring (12) of connecting plate (13), the left end of second spring (12) and the inside wall fixed connection of standing groove (8), the right flank fixedly connected with welding mechanism (9) of welding bench (1).

2. The bonding device for lead frames according to claim 1, wherein: the right side face of the connecting plate (13) is fixedly connected with a protective pad (10), and the inner side wall of the placing groove (8) is fixedly connected with a positioning block (14).

3. The bonding device for lead frames according to claim 1, wherein: the inside wall fixedly connected with symmetrical sliding block (21) of first through-hole (7), spout (20) have all been seted up to the left and right sides face of supporting shoe (6), two a side that sliding block (21) are close to each other all extends to the inside of every spout (20), and the surface of sliding block (21) and the inner wall sliding connection of spout (20).

4. The bonding device for lead frames according to claim 1, wherein: the bottom surface of the welding table (1) is fixedly connected with symmetrical anti-skidding seats (22), and anti-skidding stripes are arranged on the bottom surface of each anti-skidding seat (22).

5. The bonding device for lead frames according to claim 1, wherein: the inside of opening (3) is equipped with protective sheath (23), the surface of protective sheath (23) and the inner wall fixed connection of opening (3).

6. The bonding device for lead frames according to claim 1, wherein: the left side of the welding table (1) is provided with an anti-slip pad (24), and the bottom surface of the anti-slip pad (24) is fixedly connected with the upper surface of the pressing plate (5).

7. The bonding device for lead frames according to claim 1, wherein: the left side surface of the sliding plate (16) is fixedly connected with a pull handle (25), and the right side surface of the pull handle (25) is in contact with the left side surface of the welding table (1).