CN218611429U

CN218611429U - Single-lead device pin forming tool

Info

Publication number: CN218611429U
Application number: CN202223187531.5U
Authority: CN
Inventors: 王海
Original assignee: Chengdu Jiachen Technology Co ltd
Current assignee: Chengdu Jiachen Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The utility model belongs to the technical field of the shaping frock, concretely relates to single lead wire device pin shaping frock. The utility model comprises an upper die and a lower die positioned below the upper die; the upper surface of the lower die is provided with a device main body positioning groove and a first forming structure, the lower surface of the upper die is provided with a second forming structure, and the first forming structure is positioned right below the second forming structure; when the upper die is buckled on the lower die, the first forming structure and the second forming structure form an arch-shaped pin forming cavity. The device main part constant head tank is used for fixing a position the device, installs the device main part on the device constant head tank when using, then presses the mould, and the pin of device will be extruded under first forming structure and the effect of second forming structure and be the arch. Adopt the utility model discloses afterwards, can effectively improve the fashioned efficiency of pin, and can guarantee the uniformity of pin shape, make things convenient for operating personnel's shaping more.

Description

Single-lead device pin forming tool

Technical Field

The utility model belongs to the technical field of the shaping frock, concretely relates to single lead wire device pin shaping frock.

Background

In electronic circuits, devices such as single lead power loads are often used, the body of which is often soldered directly to a structure, while the leads need to be soldered to a printed circuit board. It is usually necessary to form an arch bridge at the leads before soldering to relieve the stress caused by the different thermal deformation of the material, thereby ensuring good contact between the leads. The pins of the device are not made into arch bridge shapes when leaving the factory, the pins need to be manually made into the arch bridge shapes when in use, the device is often damaged by manual forming, the consistency of the shapes is difficult to ensure by the manual forming, and the forming speed is slow.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the utility model provides a can single lead wire device pin shaping frock of single lead wire equipment arch pin of shaping.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a single lead device pin forming tool, which comprises an upper die and a lower die positioned below the upper die; the upper surface of the lower die is provided with a device main body positioning groove and a first forming structure, the lower surface of the upper die is provided with a second forming structure, and the first forming structure is positioned right below the second forming structure; when the upper die is buckled on the lower die, the first forming structure and the second forming structure form an arch-shaped pin forming cavity.

Further, the method comprises the following steps: the lower die comprises a lower die body, a boss fixedly arranged on the upper surface of the lower die body and a push plate arranged above the lower die body; the first forming structure is arranged on the boss, the boss avoiding through hole for avoiding the boss is formed in the middle of the push plate, and the device main body positioning groove is formed in the push plate.

Further, the method comprises the following steps: the front side and the rear side of the upper surface of the boss are both provided with a first forming structure extending along the length direction of the boss, and the lower surface of the upper die is provided with a second forming structure which is consistent with the extending direction of the first forming structure; the front side and the rear side of the boss avoiding through hole are provided with a plurality of device main body positioning grooves which are arranged at intervals.

Further, the method comprises the following steps: still be provided with push pedal ejecting structure on push pedal and lower mould, under the effect of push pedal ejecting structure, the push pedal is released from the lower mould body.

Further, the method comprises the following steps: the push plate push-out structure comprises a limit screw and a compression spring, the limit screw is installed on the push plate and the lower die body, and the compression spring is arranged between the push plate and the lower die.

Further, the method comprises the following steps: the push plate push-out structure also comprises a first spring positioning groove arranged on the lower surface of the push plate and a second spring positioning groove arranged on the upper surface of the lower die body, and the second spring positioning groove is positioned right below the first spring positioning groove; the upper part of the compression spring is positioned in the first positioning groove of the spring, and the lower part of the compression spring is positioned in the second positioning groove of the spring.

Further, the method comprises the following steps: a central rod is arranged in the middle of the compression spring, the upper end of the central rod is connected with the push plate in a sliding mode, and the lower end of the central rod is fixedly connected with the lower die body.

Further, the method comprises the following steps: a vertical guide sliding connection pair is arranged between the upper die and the lower die.

Further, the method comprises the following steps: the side surface of the device main body positioning groove is also provided with a device main body taking-out groove.

Further, the method comprises the following steps: the upper die is provided with a handle.

The utility model has the advantages that: the utility model discloses an go up mould and lower mould, be provided with device main part constant head tank and first molding structure on the lower mould upper surface, be provided with second molding structure on last mould lower surface, first molding structure is located second molding structure under. The device main part constant head tank is used for fixing a position the device, installs the device main part on the device constant head tank when using, then presses the mould, and the pin of device will be extruded under first forming structure and the effect of second forming structure and be the arch. Adopt the utility model discloses afterwards, can effectively improve the fashioned efficiency of pin, and can guarantee the uniformity of pin shape, make things convenient for operating personnel's shaping more.

Drawings

FIG. 1 is a schematic view of a single lead device pin forming tool of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an exploded schematic view of FIG. 1;

FIG. 4 is a schematic view of a single lead device mounted in a device body nest;

FIG. 5 is a schematic view showing a first state of pressing the upper die;

FIG. 6 is a schematic view showing a second state of pressing the upper die;

FIG. 7 is a schematic view of a single lead device with the top mold not depressed and the pusher plate pushed out;

fig. 8 is a schematic diagram of a single lead device.

Labeled as: the upper die comprises an upper die 1, a second forming structure 11, a handle 12, a lower die 2, a lower die body 21, a boss 22, a push plate 23, a device main body positioning groove 231, a device main body taking-out groove 232, a boss avoiding through hole 233, a first forming structure 24, a limit screw 25, a compression spring 26, a spring first positioning groove 27, a spring second positioning groove 28 and a central rod 29.

Detailed Description

The following detailed description of the present invention will be provided in order to further understand the concept of the present invention, the technical problems, the technical features constituting the technical solutions, and the technical effects brought by the technical features of the present invention, which are described in the following with reference to the accompanying drawings. However, the description of the embodiments is illustrative and not intended to limit the present invention.

The utility model provides a single lead device pin forming tool, which comprises an upper die 1 and a lower die 2 positioned below the upper die 1; a device body positioning groove 231 and a first forming structure 24 are arranged on the upper surface of the lower die 2, a second forming structure 11 is arranged on the lower surface of the upper die 1, and the first forming structure 24 is positioned right below the second forming structure 11; when the upper die 1 is buckled on the lower die 2, the first forming structure 24 and the second forming structure 11 form an arch-shaped pin forming cavity.

The structure of a single lead device is shown in fig. 8, which includes a device body and leads disposed on the device body. The utility model discloses in, device main part constant head tank 231 is used for installing the device main part, fixes a position the single lead wire device, and the shape, the size of the shape of device main part constant head tank 231 and the shape of device main part, size are relevant, consequently the utility model discloses in do not injure the shape and the size of device main part constant head tank 231. When the single-lead device is used, the pins on the single-lead device need to be processed, and an arch bridge shape is formed in the middle of the pins to release stress generated by different thermal deformation degrees of materials. For the shaping arched bridge shape the utility model discloses an go up 1 lower surfaces of mould and be provided with second forming structure 11, be provided with first forming structure 24 at 2 upper surfaces of lower mould, the cooperation of first forming structure 24 and second forming structure 11 forms arched pin shaping chamber. In the present invention, the first forming structure 24 may be a protrusion or a groove, the second forming structure 11 may also be a protrusion or a groove, the first forming structure 24 and the second forming structure 11 are in a corresponding relationship, and when the first forming structure 24 is a protrusion, the second forming structure 11 is a groove; when the first forming structure 24 is a groove, the second forming structure 11 is a protrusion. The forming of the arch of the pin is realized by pressing the upper die 1.

In the utility model, in order to facilitate the molded single lead device to fall off from the lower die 2, the lower die 2 comprises a lower die body 21, a boss 22 fixedly arranged on the upper surface of the lower die body 21 and a push plate 23 arranged above the lower die body 21; the first molding structure 24 is arranged on the boss 22, the middle part of the push plate 23 is provided with a boss avoiding through hole 233 avoiding the boss 22, and the device main body positioning groove 231 is arranged on the push plate 23. After the arrangement, when the upper die 1 is pressed, the push plate 23 is lifted upwards, so that the lead can fall off from the first molding structure 24, and the operation is very convenient.

The first forming structure 24 and the second forming structure 11 may be single-point or integrated as in the present invention. The single-point type refers to that one first forming structure 24 corresponds to one second forming structure 11, and if a plurality of single-lead devices are required to be processed simultaneously, a plurality of first forming structures 24 and a plurality of second forming structures 11 are required to be arranged. In the embodiment of the present invention, the front and rear sides of the upper surface of the boss 22 are both provided with the first forming structures 24 extending along the length direction of the boss 22, the lower surface of the upper die 1 is provided with the second forming structures 11 extending, and the extending directions of the first forming structures 24 and the second forming structures 11 are the same; a plurality of device body positioning grooves 231 arranged at intervals are arranged on the front side and the rear side of the boss avoiding through hole 233. Such an arrangement facilitates simultaneous processing of multiple single lead devices, and the integrated first and

second mold structures

24 and 11 are more convenient to manufacture.

In order to realize that the push plate 23 automatically pushes out the single-lead device after the upper die 1 is pressed, the lead is separated from the first molding structure 24, and operation steps are saved. The utility model discloses in, it is preferred that, still be provided with push pedal release structure on push pedal 23 and lower mould 2, under the effect of push pedal release structure, push pedal 23 is released from lower mould body 21. When the push plate 23 is pushed out, the push plate 23 is separated from the lower die body 21, thereby pushing out the single-lead device. The push plate push-out structure is used to push out the push plate 23, and the structure thereof is various, such as a spiral push-out structure, a cylinder push-out structure, and the like.

Preferably, the push plate push-out structure includes a limit screw 25 and a compression spring 26, the limit screw 25 is installed on the push plate 23 and the lower die body 21, and the compression spring 26 is disposed between the push plate 23 and the lower die 2. The structure of the limit screw 25 is, as shown in fig. 2, the limit screw 25 does not fix the push plate 23 and the lower die body 21, but leaves a certain moving space so that the push plate 23 can be pushed out; a compression spring 26 is provided between the push plate 23 and the lower die 2, and the push plate 23 is pushed out by the urging force of the compression spring 26. The push plate push-out structure is simple in parts and easy to manufacture.

In order to limit the compression spring 26, the compression spring 26 is prevented from being displaced and affecting the use in the process of pressing the upper die 1 and resetting the push plate 23 under the acting force of the compression spring 26. The push plate pushing structure further comprises a first spring positioning groove 27 formed in the lower surface of the push plate 23 and a second spring positioning groove 28 formed in the upper surface of the lower die body 21, and the second spring positioning groove 28 is located right below the first spring positioning groove 27; the upper part of the compression spring 26 is positioned in the first spring positioning groove 27, and the lower part of the compression spring 26 is positioned in the second spring positioning groove 28.

Further, in order to guide the push plate 23 to be pushed out and to control the position of the compression spring 26 in the process of pushing out the push plate 23 by the compression spring 26, a center rod 29 is provided in the middle of the compression spring 26, the upper end of the center rod 29 is slidably connected to the push plate 23, and the lower end thereof is fixedly connected to the lower die body 21. The fixing connection between the central rod 29 and the lower die body 21 is various, and in the embodiment of the present invention, as shown in fig. 4, the fixing connection is realized by screws.

When the upper die 1 is pressed on the lower die 2, it is necessary to ensure that the first forming structure 24 on the upper surface of the lower die 2 is aligned with the second forming structure 11 arranged on the lower surface of the upper die 1. For this purpose, a vertical sliding guide connection pair is preferably arranged between the upper die 1 and the lower die 2. The vertical guide sliding connection pair is characterized in that a vertical guide sliding shaft is arranged on the upper die 1, a vertical guide sliding groove is arranged on the lower die 2, and the guide sliding shaft is positioned in the guide sliding groove and is in sliding connection; or a vertical guide sliding groove is arranged on the upper die 1, a vertical guide sliding shaft is arranged on the lower die 2, and the guide sliding shaft is positioned in the guide sliding groove and connected in a sliding manner. As shown in fig. 3, in the embodiment of the present invention, two sliding guide shafts are provided on the lower surface of the upper mold 1, and two sliding guide grooves are provided on the boss 22.

In order to facilitate the device main body to be taken out from the device main body positioning groove 231, a device main body taking-out groove 232 is further formed in the side surface of the device main body positioning groove 231. After such arrangement, when the device body is engaged with the device body positioning groove 231 too tightly, the device body can be taken out from the device body taking-out groove 232 by using a tool such as tweezers or the like to be gripped or pried.

In order to facilitate the user to press the upper mold 1, a handle 12 is provided on the upper mold 1. The handle 12 has various structures, such as a handle arranged on the upper surface of the upper die 1, and also can be a handle structure which is convenient for holding by the edge of the lower die 2 shown in fig. 3.

The use method of the utility model is introduced as follows:

the first step is as follows: as shown in fig. 4, the device body of the single-lead device is first mounted in the device body positioning groove 231;

the second step is that: as shown in fig. 5 and 6, the upper die 1 is buckled on the push plate 23, and then the upper die 1 is pressed downwards until the lower surface of the push plate 23 is attached to the upper surface of the lower die 2;

the third step: as shown in fig. 4, the upper die 1 is released, the compression spring 26 is reset to drive the push plate 23 to be pushed out upwards, and the lead falls off from the first molding structure 24;

the fourth step: the processed single lead device is taken out from the device body positioning groove 231.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Single lead wire device pin shaping frock, its characterized in that: comprises an upper die (1) and a lower die (2) positioned below the upper die (1); a device main body positioning groove (231) and a first forming structure (24) are arranged on the upper surface of the lower die (2), a second forming structure (11) is arranged on the lower surface of the upper die (1), and the first forming structure (24) is positioned right below the second forming structure (11); when the upper die (1) is buckled on the lower die (2), the first forming structure (24) and the second forming structure (11) form an arch-shaped pin forming cavity.

2. The single lead device pin forming tool according to claim 1, wherein: the lower die (2) comprises a lower die body (21), a boss (22) fixedly arranged on the upper surface of the lower die body (21) and a push plate (23) arranged above the lower die body (21); the first forming structure (24) is arranged on the boss (22), the boss avoiding through hole (233) which avoids the boss (22) is arranged in the middle of the push plate (23), and the device main body positioning groove (231) is arranged on the push plate (23).

3. The single lead device pin forming tool according to claim 2, characterized in that: the front side and the rear side of the upper surface of the boss (22) are respectively provided with a first forming structure (24) extending along the length direction of the boss (22), and the lower surface of the upper die (1) is provided with a second forming structure (11) consistent with the extending direction of the first forming structure (24); a plurality of device main body positioning grooves (231) which are arranged at intervals are arranged on the front side and the rear side of the boss avoiding through hole (233).

4. The single lead device pin forming tool according to any one of claims 2 to 3, wherein: push plate push-out structures are further arranged on the push plate (23) and the lower die (2), and under the action of the push plate push-out structures, the push plate (23) is pushed out of the lower die body (21).

5. The single lead device pin forming tool according to claim 4, wherein: the push plate push-out structure comprises a limit screw (25) and a compression spring (26), wherein the limit screw (25) is installed on the push plate (23) and the lower die body (21), and the compression spring (26) is arranged between the push plate (23) and the lower die (2).

6. The single lead device pin forming tool according to claim 5, wherein: the push plate push-out structure also comprises a first spring positioning groove (27) arranged on the lower surface of the push plate (23) and a second spring positioning groove (28) arranged on the upper surface of the lower die body (21), and the second spring positioning groove (28) is positioned under the first spring positioning groove (27); the upper part of the compression spring (26) is positioned in the spring first positioning groove (27), and the lower part of the compression spring (26) is positioned in the spring second positioning groove (28).

7. The single lead device pin forming tool according to claim 6, wherein: a central rod (29) is arranged in the middle of the compression spring (26), the upper end of the central rod (29) is connected with the push plate (23) in a sliding mode, and the lower end of the central rod is fixedly connected with the lower die body (21).

8. The single lead device pin forming tool according to any one of claims 1 to 3, characterized in that: a vertical guide sliding connection pair is arranged between the upper die (1) and the lower die (2).

9. The single lead device pin forming tool according to any one of claims 1 to 3, wherein: a device body taking-out groove (232) is also formed on the side surface of the device body positioning groove (231).

10. The single lead device pin forming tool according to any one of claims 1 to 3, wherein: the upper die (1) is provided with a handle (12).