Pin forming tool suitable for flat lead SOP (Small Outline Package) device on military PCBA (Printed Circuit Board Assembly) product

Abstract

The utility model relates to the technical field of military PCBA products, in particular to a pin forming tool suitable for flat lead SOP devices on military PCBA products, which comprises a base, the top of the base is provided with an L-shaped cavity, one end of the base is provided with a gap adjusting assembly, one side of the L-shaped cavity is provided with a forming assembly, and the other side of the L-shaped cavity is provided with a gap adjusting assembly. A second bevel gear on a first rotating shaft is driven to rotate through a rotating disc, the second bevel gear drives a threaded rod to rotate through a first bevel gear, the threaded rod drives an L-shaped cavity to move downwards, and then the distance between the L-shaped cavity and a base is shortened, so that a pin limiting gap is more suitable for a pin of a component; the problem that the left shoulder width and the right shoulder width of the component are asymmetric due to the fact that the pin crease error on the two sides of the component is too large is solved, and the stress release requirement is better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to military PCBA product technical field especially suitable for the pin forming frock of flat lead SOP class device on military PCBA product. BACKGROUND

[0002] Military PCBA product refers to the printed circuit board assembly (PCBA) product applied in military field, these products usually have the characteristics such as high precision, high reliability, high stability and high anti harsh environment capacity to meet the strict requirements of military equipment on performance and reliability, and the SOP class device of gold ceramic package is often seen on military PCBA product, which is not formed when the customer provides the material, needs to be formed and sheared before welding, and the pin forming needs to use sleeve forming frock.

[0003] The sleeve forming frock of the prior art gradually finds the following defects in the process of installation and use at the user end:

[0004] (1) the sleeve forming frock of the prior art adopts integral type, and the shoulder of the pin on one side appears crease after frock processing, but the pin limiting gap on the frock is too large, the pin crease error of the two sides of the component is large, the left and right shoulder width of the component is asymmetric, and the stress release is not satisfied;

[0005] (2) the pin limiting gap on the sleeve forming frock of the prior art is certain, cannot be freely adjusted, cannot be applied to the bending of the pins of different types of components, and the applicability of the frock is low;

[0006] (3) the sleeve forming frock of the prior art bends the pin of the component, most of which adopts manual bending, which not only increases the labor intensity of workers, but also causes the problem of low work efficiency; UTILITY MODEL CONTENTS

[0007] In order to overcome the defects of the prior art pointed out above, the utility model person has made deep research, and after paying a lot of creative labor, the utility model is completed.

[0008] Specifically, the technical problem to be solved by the utility model is to provide the pin forming frock suitable for the flat lead SOP class device on military PCBA product, to solve the technical problem that the sleeve forming frock of the prior art adopts integral type, the shoulder of the pin on one side appears crease after frock processing, but the pin limiting gap on the frock is too large, the pin crease error of the two sides of the component is large, the left and right shoulder width of the component is asymmetric, and the stress release is not satisfied.

[0009] In order to solve the above technical problem, the utility model provides the following technical scheme:

[0010] The utility model provides a pin forming frock suitable for flat lead SOP type device on military PCBA product, including base, the top of base is equipped with L type cavity, one end of base is equipped with gap adjusting assembly, one side of L type cavity is equipped with forming assembly,

[0011] The gap adjusting assembly includes a mounting frame provided at one end of the base, a partition plate provided inside the mounting frame, a threaded rod rotatably connected to the partition plate, the threaded rod being threadedly connected to the L-shaped cavity, a first bevel gear provided at the top of the threaded rod, and a driving mechanism provided at one side of the first bevel gear.

[0012] As an improved technical solution, the driving mechanism includes a first rotating shaft, the first rotating shaft is provided at one side of the mounting frame, a second bevel gear is provided at one end of the first rotating shaft, the second bevel gear is engaged with the first bevel gear, and a rotating disc is provided at the other end of the first rotating shaft, and a rotating handle is provided at one side of the rotating disc.

[0013] As an improved technical solution, the L-shaped cavity is provided with a sliding block at each side, and a sliding groove is symmetrically provided below the partition plate inside the mounting frame, and the sliding block is slidingly connected with the sliding groove.

[0014] As an improved technical solution, the mounting frame is provided with a scale line symmetrically on the outer surface.

[0015] As an improved technical solution, the forming assembly includes a support plate provided at one side of the L-shaped cavity, an electric push rod provided at the top of the support plate, a pressing plate fixedly connected to the output end of the electric push rod, and an arc surface provided at one side of the pressing plate close to the L-shaped cavity.

[0016] As an improved technical solution, the pressing plate is provided with a guide rod symmetrically at the top, the guide rod penetrates through the support plate, the guide rod is slidingly connected with the support plate, and a limiting plate is provided at the top of the guide rod.

[0017] After the above technical solution is adopted, the utility model has the following beneficial effects:

[0018] 1. The utility model discloses a rotating disc drives the second bevel gear on the first rotating shaft to rotate, the second bevel gear drives the threaded rod to rotate through the first bevel gear, the threaded rod drives the L-shaped cavity to move downwards, and then the distance between the L-shaped cavity and the base is reduced, so that the pin limiting gap is more suitable for the pins of components, the pin crease error of the two sides of the component is avoided to be too large, the problem that the left and right shoulder widths of the component are asymmetric appears, and the stress release requirement is better satisfied.

[0019] 2. The utility model discloses, through the rotation of the second bevel gear on the rotating shaft one is driven by the rotating disc, and the second bevel gear is driven the threaded rod rotation through the first bevel gear, and the threaded rod drives L type cavity to carry out up and down movement, and then change the distance between L type cavity and base, thereby being suitable for the bending of the pin of different kinds of components, make the applicability of tooling become high.

[0020] 3. The utility model discloses, through the scale line, the distance between L type cavity and base is observed conveniently, make the adjustment more accurate.

[0021] 4. The utility model discloses, through the downward movement of the pressing plate that electric push rod drives, through the pin of component of pressing plate and carry out the bending operation, do not need manual bending, not only will reduce the labor intensity of artificial, also improve the work efficiency. DRAWINGS

[0022] In order to make the technical scheme of the utility model embodiment clearer, the following will briefly introduce the drawing needed to be used in the embodiment description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor intensity. Among them:

[0023] Figure 1 It is the overall structure schematic drawing of the pin forming tool of the utility model suitable for the pin forming of flat lead SOP type component on military PCBA product.

[0024] Figure 2 It is the sectional structure schematic drawing of the pin forming tool of the utility model suitable for the pin forming of flat lead SOP type component on military PCBA product.

[0025] Figure 3 It is another sectional structure schematic drawing of the pin forming tool of the utility model suitable for the pin forming of flat lead SOP type component on military PCBA product.

[0026] Figure 4 It is the local enlarged structure schematic drawing of the pin forming tool of the utility model suitable for the pin forming of flat lead SOP type component on military PCBA product.

[0027] Figure 5 It is the forming assembly structure schematic drawing of the pin forming tool of the utility model suitable for the pin forming of flat lead SOP type component on military PCBA product.

[0028] Mark explanation:

[0029] 1. Base; 2. L-shaped cavity; 3. Gap adjustment assembly; 31. Mounting frame; 32. Partition plate; 33. Threaded rod; 34. First bevel gear; 35. Rotating shaft one; 36. Second bevel gear; 37. Turntable; 38. Rotating handle; 39. Slider; 310. Slide groove; 311. Scale line; 4. Molding assembly; 41. Support plate; 42. Electric push rod; 43. Pressure plate; 44. Arc-shaped surface; 45. Guide rod; 46. Limiting plate. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0033] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0034] like Figure 1 and Figure 5 As shown in the figure, this embodiment provides a pin forming fixture for flat lead SOP type devices applicable to military PCBA products, including a base 1, an L-shaped cavity 2 on the top of the base 1, a gap adjustment component 3 at one end of the base 1, and a forming component 4 on one side of the L-shaped cavity 2.

[0035] The gap adjusting assembly 3 comprises a mounting frame 31 arranged at one end of the base 1, a partition plate 32 arranged inside the mounting frame 31, a threaded rod 33 rotatably connected to the partition plate 32, the threaded rod 33 being threadedly connected with the L-shaped cavity 2, a first bevel gear 34 arranged at the top of the threaded rod 33, a driving mechanism arranged at one side of the first bevel gear 34, the driving mechanism driving the first bevel gear 34 to rotate the threaded rod 33, the threaded rod 33 driving the L-shaped cavity 2 to move downward, thereby reducing the distance between the L-shaped cavity 2 and the base 1, so that the pin limiting gap is more suitable for the pins of the components, avoiding that the pin crease error of the two sides of the components is too large, and the problem of asymmetric left and right shoulder width of the components occurs.

[0036] The driving mechanism comprises a first rotating shaft 35 arranged at one side of the mounting frame 31, the first rotating shaft 35 being rotatably connected with the mounting frame 31, a second bevel gear 36 arranged at one end of the first rotating shaft 35, the second bevel gear 36 being engaged with the first bevel gear 34, a rotating disc 37 arranged at the other end of the first rotating shaft 35, a rotating handle 38 arranged at one side of the rotating disc 37, the rotating handle 38 driving the rotating disc 37 to rotate, the rotating disc 37 driving the second bevel gear 36 on the first rotating shaft 35 to rotate, the second bevel gear 36 driving the first bevel gear 34 to rotate, and the driving mechanism achieving the function of motion transmission.

[0037] The L-shaped cavity 2 is provided with a sliding block 39 at each side, and the mounting frame 31 is symmetrically provided with a sliding groove 310 below the partition plate 32, the sliding block 39 being slidably connected with the sliding groove 310, and the sliding groove 310 guiding the sliding block 39 on the L-shaped cavity 2.

[0038] The mounting frame 31 is symmetrically provided with a scale line 311 on the outer surface, the scale line 311 facilitating observation of the distance between the L-shaped cavity 2 and the base 1, so that the adjustment is more accurate.

[0039] As shown in Figs. Figure 1 and Figure 5 As shown in Figs.

[0040] The pressing plate 43 is symmetrically provided with a guide rod 45 at the top, the guide rod 45 penetrating through the support plate 41, the guide rod 45 being slidably connected with the support plate 41, and the guide rod 45 being provided with a limiting plate 46 at the top, the guide rod 45 guiding the pressing plate 43.

[0041] In use, the worker manually holds the rotating handle 38 according to the pin size of different kinds of components, rotates the rotating handle 38 to drive the rotating disc 37 to rotate, drives the second bevel gear 36 on the rotating shaft I 35 to rotate, drives the first bevel gear 34 to rotate, drives the threaded rod 33 to rotate, drives the L-shaped cavity 2 to move up and down along the sliding groove 310 through the sliding block 39, and better knows the distance between the L-shaped cavity 2 and the base 1 through the observation of the scale line 311, so as to be suitable for the bending of the pins of different kinds of components, makes the applicability of the tooling higher, at the same time makes the pin limiting gap more suitable for the pins of the components, avoids the problem that the pin crease error of the pins on both sides of the components is too large and the left and right shoulder widths of the components are asymmetric, better meets the stress release requirement, through the scale line 311, the distance between the L-shaped cavity 2 and the base 1 is convenient to observe, makes the adjustment more accurate, then extends the component pin into the pin limiting gap between the L-shaped cavity 2 and the base 1, then starts the electric push rod 42, drives the pressing plate 43 to move downward along the guide rod 45, and the pressing plate 43 bends the pin of the component, which not only reduces the labor intensity of the worker, but also improves the work efficiency.

[0042] It should be understood that the use of these embodiments is only for illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various changes, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the appended claims of the present application.

Claims

1. A pin forming tool suitable for flat lead SOP devices on military PCBA products, comprising a base (1), the top of the base (1) is provided with an L-shaped cavity (2), characterized in that: One end of the base (1) is provided with a gap adjusting assembly (3), one side of the L-shaped cavity (2) is provided with a shaping assembly (4); The gap adjusting assembly (3) comprises a mounting frame (31), the mounting frame (31) is arranged at one end of the base (1), a partition plate (32) is arranged inside the mounting frame (31), a threaded rod (33) is rotatably connected to the partition plate (32), the threaded rod (33) is threadedly connected with the L-shaped cavity (2), a first bevel gear (34) is arranged at the top of the threaded rod (33), and a driving mechanism is arranged on one side of the first bevel gear (34).

2. The pin forming tooling for flat lead SOP devices on military PCBA products according to claim 1, characterized in that: The driving mechanism comprises a rotating shaft (35), the rotating shaft (35) is arranged on one side of the mounting frame (31), a second bevel gear (36) is arranged at one end of the rotating shaft (35), the second bevel gear (36) is engaged with the first bevel gear (34) in a corresponding manner, and a rotating disc (37) is arranged at the other end of the rotating shaft (35), a rotating handle (38) is arranged on one side of the rotating disc (37).

3. The pin forming tooling for flat lead SOP devices on military PCBA products according to claim 2, characterized in that: Both sides of the L-shaped cavity (2) are respectively provided with sliding blocks (39), and symmetrically arranged sliding grooves (310) are formed below the partition plate (32) on the inner side of the mounting frame (31), and the sliding blocks (39) are slidably connected with the sliding grooves (310).

4. The pin forming tooling for flat lead SOP devices on military PCBA products according to claim 3, characterized in that: Symmetrical scale lines (311) are arranged on the outer surface of the mounting frame (31).

5. The pin forming tooling for flat lead SOP devices on military PCBA products according to claim 1, characterized in that: The shaping assembly (4) comprises a support plate (41), the support plate (41) is arranged on one side of the L-shaped cavity (2), an electric push rod (42) is arranged at the top of the support plate (41), a pressing plate (43) is fixedly connected to the output end of the electric push rod (42), and an arc surface (44) is arranged on one side of the pressing plate (43) close to the L-shaped cavity (2).

6. The pin forming tooling for flat lead SOP devices on military PCBA products according to claim 5, characterized in that: Symmetrical guide rods (45) are arranged at the top of the pressing plate (43) and penetrate through the support plate (41), the guide rods (45) are slidably connected with the support plate (41), and limit plates (46) are arranged at the top of the guide rods (45).

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