CN219851830U

CN219851830U - Precise bending device for chip pins for radio frequency part production

Info

Publication number: CN219851830U
Application number: CN202320903802.8U
Authority: CN
Inventors: 何丹
Original assignee: Chengdu Zhanyi Electronic Technology Co ltd
Current assignee: Chengdu Zhanyi Electronic Technology Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-10-20
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a precise bending device for chip pins for radio frequency part production, which comprises a die top and a die bottom, wherein the die bottom is partially inserted into the die top, a forming frame is arranged on the die top, a forming table matched with the forming frame is arranged on the die bottom, a second round angle is arranged on the top surface of the forming table, a first round angle matched with the second round angle is arranged on the inner wall of the forming frame, and forming grooves are formed in the forming frame and the forming table; firstly, the forming frame and the forming table form a die structure to shape pins of the chip, secondly, the first round corners and the second round corners form large-amplitude bending, stress of bending a certain point of the pins to form a point position is not too strong, and therefore the secondary bending repetition rate of the pins is improved, and the effect of reducing the loss rate of products is achieved.

Description

Precise bending device for chip pins for radio frequency part production

Technical Field

The utility model relates to the technical field of chip pin forming, in particular to a precise bending device for a chip pin for radio frequency part production.

Background

Pins, called pins, english called Pin; wiring with peripheral circuits is led out from the internal circuit of the integrated circuit (chip), and all pins form an interface of the chip; a section of the tail end of the lead, and the section and a bonding pad on the printed board form a welding spot together through soft soldering; the pins may be divided into heel (bottom), toe (toe), side (side), etc.

At present, the pins welded on the chip are welded relatively long before installation, the steps of bending, cutting and the like are carried out during welding, most of the existing pin bending machine is bent at a right angle fast, excessive stress is generated at the bending part of the pins instantly, the bending part cannot be bent for the second time after production, and if the bending for the second time is carried out, the bending part is broken.

Disclosure of Invention

The utility model aims to provide a precise bending device for pins of a chip for producing a radio frequency part, which is required to prevent overlarge stress when the pins of the chip are bent in the actual production process.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a precision bending device of chip pin is used in radio frequency part production, includes mould top, die bottom, the die bottom part inserts in the mould top, be provided with the shaping frame on the mould top, be provided with on the die bottom with shaping frame complex shaping platform, shaping platform top surface is provided with the second fillet, be provided with on the inner wall of shaping frame with the first fillet of second fillet matching, the shaping frame with all be provided with the shaping groove on the shaping platform.

Through adopting above-mentioned technical scheme, at first, constitute the pin of mould structure to the chip through shaping frame and shaping platform and mould, secondly form the bending of great range through first fillet and second fillet, can not buckle the stress at formation point position to a certain point of pin too strong to the repetition rate is buckled to the secondary of having improved the pin, has also reduced the loss rate of product.

The utility model is further provided with: the forming grooves comprise a first forming groove and a second forming groove, the first forming groove is arranged on the inner side wall of the forming frame and extends to the top of the inner wall of the forming frame, and the second forming groove is arranged on the outer side wall of the forming table and extends to the top of the outer wall of the forming table.

Through adopting above-mentioned technical scheme, firstly can be further comb many pins at the shaping groove, secondly can not cause the intersection between the pin when buckling to can carry out unified length when tailorring.

The utility model is further provided with: the first forming groove and the second forming groove are semicircular grooves.

Through adopting above-mentioned technical scheme, the design of semicircle groove can assist carding pin to can assist the effect of fastening when shaping it.

The utility model is further provided with: the inner wall top of mould top is provided with the mounting groove, be provided with a fixed plate through the spring in the mounting groove, the fixed plate can be in the mounting groove is internal to slide.

Through adopting above-mentioned technical scheme, the setting of fixed plate can guarantee that the chip guarantees the fixed of chip when bending.

The utility model is further provided with: the top of the die bottom is provided with a fixing groove matched with the fixing plate.

Through adopting above-mentioned technical scheme, the fixed slot can realize effectually holding the chip and at auxiliary chip's fixed.

The utility model is further provided with: the die top is provided with a guide post, and a guide hole is formed in the guide post.

Through adopting above-mentioned technical scheme, the setting of guiding hole can, makes this device can not slope when carrying out the pin and bend.

The utility model is further provided with: the die bottom is provided with a guide rod which is inserted into the guide hole.

Through adopting above-mentioned technical scheme, through inserting the setting and can be better make this device cooperate the guide post to implement when using.

In summary, the utility model has the following beneficial effects: firstly, the forming frame and the forming table form a die structure to shape pins of the chip, secondly, the first round corners and the second round corners form large-amplitude bending, stress of bending a certain point of the pins to form a point position is not too strong, and therefore the secondary bending repetition rate of the pins is improved, and the loss rate of products is also reduced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a perspective view of a forming frame in an embodiment of the utility model;

FIG. 4 is a bottom view of a forming frame in an embodiment of the utility model;

fig. 5 is a perspective view of a molding station in an embodiment of the utility model.

In the figure: 1. a die top; 2. a die bottom; 3. a guide post; 4. a fixed spring; 5. a fixing plate; 6. a first rounded corner; 7. a fixing groove; 8. a forming table; 9. forming a frame; 10. a guide hole; 11. a first molding groove; 12. a second molding groove; 13. a mounting hole; 14. and a second rounded corner.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that if the terms "first," "second," and the like are referred to in the description of the present utility model and the claims and the above figures, they are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, if the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Further, in the present utility model, the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly if they relate to. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The utility model is described in further detail below with reference to fig. 1-5.

Examples

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a precise bending device for a chip pin for radio frequency part production comprises a die top 1 and a die bottom 2, wherein a forming frame 9 is arranged on the die top 1, a forming table 8 is arranged on the die bottom 2, the forming table 8 stretches into the forming frame 9 to be embedded, and the forming table 8 can slide in a cavity in the forming frame 9.

As shown in fig. 1, the bottom surface of the die top 1 is provided with a molding frame 9 and a plurality of guide posts 3.

As shown in fig. 2 and 3, the center of the mold top 1 is provided with a molding frame 9 having an opening at the bottom, the opening at the bottom of the molding frame 9 forms a position for accommodating the molding table 8, and a first molding groove 11 is provided on the inner side wall thereof, and the first molding groove 11 extends from the opening at the inner wall of the molding frame 9 into the mounting hole 13.

The forming frame 9 is provided with a first rounded corner 6 on its inner side wall.

As shown in fig. 3 and 4, guide posts 3 are provided around the molding frame 9, guide posts 3 are provided at four corners of the mold bottom 2, one end of each guide post 3 is fixedly provided with the bottom surface of the mold top 1, and the other end is provided with a guide hole 10.

As shown in fig. 5, the forming table 8 is a rectangular table body with a first round corner 6 at the top, wherein a fixing groove 7 is formed in the top surface of the rectangular table body, and the fixing groove 7 is positioned in the center of the forming table 8; the side wall of the forming table 8 is provided with a second forming groove 12, the second forming groove 12 corresponds to the first forming groove 11 in the opening position, wherein the second forming groove 12 extends along the bottom of the side wall of the forming table 8 to extend to the top surface and is communicated with the fixed groove 7.

The top surface of shaping platform 8 all is provided with second fillet 14 all around, and second fillet 14 and first fillet 6 cooperation use can form extrusion molding to the pin of chip.

The inner wall top position of shaping frame 9 is provided with the mounting groove, is provided with mounting hole 13 in the mounting groove, and mounting hole 13 internal fixation is provided with a spring, and the other end fixedly connected with fixed plate 5 of spring, and the spring setting is in the central point of fixed plate 5 puts, and the mounting groove is rectangular opening, can hold fixed plate 5 and supply it to slide outside inside, and when shaping frame 9 and shaping platform 8 gomphosis use, the position of fixed plate 5 corresponds with the position of fixed groove 7 to fixed plate 5 can be completely gomphosis like in the fixed groove 7.

The first molding groove 11 and the second molding groove 12 are semicircular grooves formed in the body where the first molding groove and the second molding groove are located, and the first molding groove and the second molding groove can form a circular groove for passing through a chip pin when matched.

As shown in fig. 1, a guide rod matched with the guide post 3 is also arranged on the top surface of the die bottom 2, and one end of the guide rod is fixedly connected with/integrally formed with the top surface of the die bottom 2;

the other end of the guide rod is inserted into the guide hole 10, and the guide rod can slide in the guide hole 10, so that the accuracy of sliding fit can be better ensured during installation.

As preferable: the first round corner 6 is also provided with a first forming groove 11, the second round corner 14 is also provided with a second forming groove 12, and the bending part is shaped through the first round corner 6 and the second round corner 14, so that the chip can be better shaped.

Because a plurality of parallel soldered pins occur in the time of the chip pins for the production of the radio frequency part, the pins are crossed due to uneven stress when being bent, so that the chip is extremely difficult to weld, and bending after a double-worker is needed, but the situation that a plurality of parallel pins are relatively parallel after bending cannot be ensured by using a traditional bending machine or a simple bending device.

As preferable: in order to solve the problem of the chip pins for the production of the radio frequency part, the first molding grooves 11 and the second molding grooves 12 are respectively arranged in parallel on the arranging body, as shown in fig. 4, the first molding grooves 11 are arranged on the inner side walls of the molding frame 9, and a plurality of first molding grooves 11 are arranged on the inner wall of one side of the molding frame 9; as shown in fig. 5, the four side walls of the molding table 8 are each provided with a second molding groove 12, wherein the second molding grooves 12 are each provided in parallel.

Working principle: firstly, placing a chip to be molded on the top of a molding table 8, then covering the die top 1 on the die top 1, firstly matching the die top 1 with a guide rod through a guide post 3, then starting extrusion, finally gradually embedding the molding table 8 into a molding frame 9, starting bending of pins of the chip due to the gradual application of extrusion force, then pressing the chip into a fixing groove 7 by a fixing plate 5, and finally simultaneously molding/shaping the pins of the chip by a first round corner 6 and a second round corner 14.

It should be noted that all of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except mutually exclusive features and/or steps.

In addition, the foregoing detailed description is exemplary, and those skilled in the art, having the benefit of this disclosure, may devise various arrangements that, although not explicitly described herein, are within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. The utility model provides a accurate bending device of chip pin for radio frequency part production which characterized in that: including mould top (1), mould bottom (2) part inserts in mould top (1), be provided with shaping frame (9) on mould top (1), be provided with on mould bottom (2) with shaping frame (9) complex shaping platform (8), shaping platform (8) top surface is provided with second fillet (14), be provided with on the inner wall of shaping frame (9) with first fillet (6) of second fillet (14) matching, shaping frame (9) with all be provided with the shaping groove on shaping platform (8).

2. The precise bending device for the pins of the chip for the production of the radio frequency part according to claim 1, wherein the precise bending device is characterized in that: the forming grooves comprise a first forming groove (11) and a second forming groove (12), the first forming groove (11) is arranged on the inner side wall of the forming frame (9) and extends to the top of the inner wall of the forming frame, and the second forming groove (12) is arranged on the outer side wall of the forming table (8) and extends to the top of the outer wall of the forming table.

3. The precise bending device for the chip pins for the production of the radio frequency parts according to claim 2, wherein the precise bending device is characterized in that: the first forming groove (11) and the second forming groove (12) are semicircular grooves.

4. The precise bending device for the pins of the chip for the production of the radio frequency part according to claim 1, wherein the precise bending device is characterized in that: the die top is characterized in that an installation groove is formed in the top of the inner wall of the die top (1), a fixing plate (5) is arranged in the installation groove through a spring, and the fixing plate (5) can slide in the installation groove.

5. The precise bending device for the chip pins for the production of the radio frequency parts according to claim 4, wherein the precise bending device is characterized in that: the top of the die bottom (2) is provided with a fixing groove (7) matched with the fixing plate (5).

6. The precise bending device for the pins of the chip for the production of the radio frequency part according to claim 1, wherein the precise bending device is characterized in that: the die top (1) is provided with a guide column (3), and a guide hole (10) is formed in the guide column (3).

7. The precise bending device for the chip pins for the production of the radio frequency parts according to claim 6, wherein the precise bending device is characterized in that: the die bottom (2) is provided with a guide rod which is inserted into the guide hole (10).