CN211920440U

CN211920440U - Lead frame

Info

Publication number: CN211920440U
Application number: CN202020247974.0U
Authority: CN
Inventors: 郭向阳; 郭江涛; 郭志强; 段华伟
Original assignee: Guangdong Siao Intelligent Technology Co ltd
Current assignee: Guangdong Siao Intelligent Technology Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-11-13
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a lead frame, including flange, middle part lead plate, first side lead plate and second side lead plate, middle part lead plate is vertical setting, middle part lead plate is from the horizontal direction downward bending extension gradually, form fore-and-aft arc transition structure, first side lead plate and second side lead plate symmetric connection are at the left and right sides face of middle part lead plate, first side lead plate and second side lead plate are mutually perpendicular with middle part lead plate respectively, first side lead plate and second side lead plate follow the horizontal direction gradually downward bending extension respectively, form horizontal arc transition structure. The utility model has the advantages of simple structure, reasonable in design, the copper wire can be exported round by round around the lead frame, can be accurate and fall to the take-up device smoothly on or other required devices, can make the copper wire keep good coiling state at the in-process of output, be favorable to take-up or other required devices to collect the copper wire.

Description

Lead frame

Technical Field

The utility model relates to a wire part technical field, more specifically say, relate to a lead frame.

Background

In a steel wire bundling, winding and packaging production line, steel wires need to be wound and formed one by one through a winding machine (as shown in fig. 4), and after the formed steel wires are output from an outlet of the winding machine, the steel wires need to accurately fall onto a wire collecting device for collection, and then are transferred to a production line for the operation of the next station. However, the conventional wire winding machine lacks a wire guiding device which can well convey the wound and molded steel wire to the wire collecting device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a lead frame.

In order to achieve the above object, the present invention provides a lead frame, which comprises a connecting flange, a middle wire board, a first side wire board and a second side wire board, wherein the middle wire board is vertically arranged, one end of the middle wire board is fixedly connected with the connecting flange, the other end of the middle wire board is gradually bent downwards from the horizontal direction to extend, so that the middle wire board forms a longitudinal arc transition structure, the first side wire board and the second side wire board are symmetrically connected to the left side surface and the right side surface of the middle wire board, the first side wire board and the second side wire board are respectively perpendicular to the middle wire board, one end of the first side wire board is fixedly connected with the connecting flange, the other end of the first side wire board is gradually bent downwards from the horizontal direction to extend, so that the first side wire board forms a transverse arc transition structure, one end of the second side wire plate is fixedly connected with the connecting flange, and the other end of the second side wire plate is gradually bent downwards from the horizontal direction to extend, so that the second side wire plate forms a transverse arc-shaped transition structure.

In a preferred embodiment, the connecting flange is annular, and a plurality of evenly distributed screw holes are formed in the connecting flange.

In a preferred embodiment, the first side wire guide plate and the second side wire guide plate are each provided in an E-shape.

As a preferred embodiment, a limiting block located in the middle of the middle wire guide plate is arranged between the bottom of the first side wire guide plate and the bottom of the second side wire guide plate, the limiting block is fixedly connected with the middle wire guide plate, the first side wire guide plate and the second side wire guide plate respectively, the limiting block is arranged in a U shape, and a limiting groove with an opening facing the front is arranged on the limiting block.

In a preferred embodiment, the opening of the limiting groove is in a flaring structure.

In a preferred embodiment, the left and right side surfaces of the middle wire guide plate are respectively provided with a support rib extending in a downward bending manner, and the two support ribs are symmetrically arranged with each other.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model has the advantages of simple structure, reasonable in design, under the direction and the limiting displacement of middle part wire board, first side wire board and second side wire board, the copper wire that comes out from the coiling machine can be exported around the lead frame round one circle, can be accurate and fall in the same direction as the ground on the take-up device or other required devices, can make the copper wire keep good coiling state at the in-process of output, be favorable to take-up device or other required devices to collect the copper wire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a lead frame according to an embodiment of the present invention;

fig. 2 is a side view of a lead frame according to an embodiment of the present invention;

fig. 3 is a bottom view of a lead frame according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a steel wire during winding forming according to an embodiment of the present invention;

fig. 5 is an assembly view of a lead frame according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a leadframe, which includes a connecting flange 1, a middle wire guide plate 2, a first side wire guide plate 3 and a second side wire guide plate 4, and the following describes each component of the embodiment in detail with reference to the drawings.

As shown in fig. 1, the connection flange 1 may be configured in a circular ring shape, a plurality of screw holes 5 are uniformly distributed on the connection flange 1, and the connection flange 1 may be fixed on a winding machine by screws.

As shown in fig. 1 and 2, the middle wire guide plate 2 is vertically disposed, one end of the middle wire guide plate 2 is fixedly connected to the connecting flange 1, and the other end of the middle wire guide plate 2 gradually bends and extends downwards from the horizontal direction, so that the middle wire guide plate 2 forms a longitudinal arc transition structure, such as an arc bending 90 degrees.

As shown in fig. 1, fig. 2 and fig. 3, first side wire guide plate 3 and second side wire guide plate 4 symmetric connection are in the left and right sides face of middle part wire guide plate 2, first side wire guide plate 3 and second side wire guide plate 4 are perpendicular with middle part wire guide plate 2 respectively, the one end and the flange 1 fixed connection of first side wire guide plate 3, the other end of first side wire guide plate 3 is followed the horizontal direction and is down bent extension gradually, make first side wire guide plate 3 form horizontal arc transition structure, like the crooked 90 degrees of arc. One end of the second side wire plate 4 is fixedly connected with the connecting flange 1, and the other end of the second side wire plate 4 gradually bends and extends downwards from the horizontal direction, so that the second side wire plate 4 forms a transverse arc transition structure, such as an arc bending 90 degrees.

Preferably, the general shapes of the first side wire guide plate 3 and the second side wire guide plate 4 may be respectively arranged in an E-shape.

As shown in fig. 3, a limiting block 6 located in the middle of the middle wire guide plate 2 is arranged between the bottom of the first side wire guide plate 3 and the bottom of the second side wire guide plate 4, and the limiting block 6 is fixedly connected with the middle wire guide plate 2, the first side wire guide plate 3 and the second side wire guide plate 4 respectively. In this embodiment, the limiting block 6 may be preferably provided in a U shape, and a limiting groove 7 with an opening facing forward is provided on the limiting block 6. Wherein, the opening of the limiting groove 7 can be a flaring structure.

In addition, as shown in fig. 1, the left and right sides of the middle wire guide plate 2 may be respectively provided with a support rib 8 extending downward in a bending manner, and the two support ribs 8 are symmetrically arranged.

In this embodiment, the connecting flange 1, the middle wire guide plate 2, the first side wire guide plate 3, the second side wire guide plate 4, the limiting block 6, the support rib 8, and other components of the lead frame may be made of metal materials.

For example, as shown in fig. 5, in one of the installation manners, the lead frame 10 may be installed between the wire outlet of the winding machine 20 and the wire take-up device 30, the middle wire guide plate 2 of the lead frame 10 may guide and limit the wound and formed steel wire in the up-down direction, and the first side wire guide plate 3 and the second side wire guide plate 4 may guide and limit the wound and formed steel wire in the left-right direction, so that the steel wire coming out of the winding machine 20 may be output around the lead frame one turn, and may accurately and smoothly fall onto the wire take-up device 30, so that the steel wire may be kept in a good winding state during the output process, which is beneficial for the wire take-up device 30 to collect the steel wire.

It should be noted that the present invention is directed to a lead frame, and does not relate to structural improvement of a winding machine and a take-up device, and the lead frame may be matched with other machines requiring a lead, which is not limited in this embodiment.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A lead frame, comprising: comprises a connecting flange (1), a middle wire board (2), a first side wire board (3) and a second side wire board (4), wherein the middle wire board (2) is arranged vertically, one end of the middle wire board (2) is fixedly connected with the connecting flange (1), the other end of the middle wire board (2) is gradually bent downwards from the horizontal direction to extend, so that the middle wire board (2) forms a longitudinal arc transition structure, the first side wire board (3) and the second side wire board (4) are symmetrically connected with the left side surface and the right side surface of the middle wire board (2), the first side wire board (3) and the second side wire board (4) are respectively vertical to the middle wire board (2), one end of the first side wire board (3) is fixedly connected with the connecting flange (1), the other end of the first side wire board (3) is gradually bent downwards from the horizontal direction to extend, make first side wire board (3) form horizontal arc transition structure, the one end and flange (1) fixed connection of second side wire board (4), the other end of second side wire board (4) is from the horizontal direction down bending extension gradually, makes second side wire board (4) form horizontal arc transition structure.

2. The lead frame of claim 1, wherein: the connecting flange (1) is arranged into a circular ring shape, and a plurality of uniformly distributed screw holes (5) are formed in the connecting flange (1).

3. The lead frame of claim 1, wherein: the first side wire guide plate (3) and the second side wire guide plate (4) are respectively arranged in an E shape.

4. The lead frame of claim 1, wherein: be equipped with between the bottom of first side wire board (3) and the bottom of second side wire board (4) and be located stopper (6) in the middle of middle part wire board (2), stopper (6) respectively with middle part wire board (2), first side wire board (3) and second side wire board (4) fixed connection, stopper (6) set to the U-shaped, be equipped with spacing groove (7) that the opening moved towards the place ahead on stopper (6).

5. The lead frame of claim 4, wherein: the opening of the limiting groove (7) is of a flaring structure.

6. The lead frame of claim 1, wherein: the left side surface and the right side surface of the middle wire guide plate (2) are respectively provided with a support rib (8) which is bent and extended downwards, and the two support ribs (8) are arranged symmetrically.