Lead frame transition device

Abstract

The utility model discloses a lead frame transition device. In the field of electronic component manufacturing, transition of a lead frame is crucial, and an existing device often has the problems of poor stability, inaccurate positioning and the like, the device mainly comprises a transition device main body, a transition device frame body is arranged on the outer side of the main body, an inner frame is arranged in the main body, and a moving block and a clamping assembly are arranged above the inner frame. A bottom frame and a guide plate are installed at the bottom of the frame body, connecting blocks are arranged on the front side and the rear side of the inner frame, transmission cavities and transmission wheels are arranged on the inner sides of the connecting blocks, the connecting blocks are connected with rotating shafts through transmission rods, the rotating shafts on the two sides are connected through transmission strips, and the operation coordination of the device is ensured. The lead frame can be stably clamped, the transition device frame body and the inner frame are fixed through the connecting plate, the inner frame is provided with an inner cavity corresponding to the moving block, and the device is made of a steel material, so that the stability is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical fields related to electronic component manufacturing, and particularly relates to a lead frame transition device. BACKGROUND

[0002] The lead frame is mainly used as the physical support of the chip and other electronic components. In the chip packaging process, the chip is placed on a specific position of the lead frame, and the lead frame can ensure that the chip is in a stable position in the package, prevents the chip from being damaged due to the interference of external physical factors, and builds an electrical path between the chip and the external world, which is a bridge for realizing the function of the chip. For example, in a common integrated circuit package, the electrical signals generated by the chip are connected to the pins of the lead frame through the bonding wires, and then the pins transmit the signals to other electronic components on the printed circuit board, so that the entire electronic system can operate normally.

[0003] However, the existing transition device has poor stability, and is easily disturbed by external factors such as vibration and external impact during the transition process, which causes the position of the lead frame to deviate, affects the subsequent processing procedure, cannot accurately position the lead frame at the appropriate position, and may cause deviation of the electronic components during the installation process, thereby reducing the yield of the product. UTILITY MODEL CONTENTS

[0004] The utility model discloses a lead frame transition device, which solves the problem of poor stability of the existing transition device, which is easily disturbed by external factors such as vibration and external impact during the transition process, which causes the position of the lead frame to deviate, affects the subsequent processing procedure, cannot accurately position the lead frame at the appropriate position, and may cause deviation of the electronic components during the installation process, thereby reducing the yield of the product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lead frame transition device, comprising a transition device main part,

[0006] The transition device main part is provided with a transition device frame body at the outer side position, an inner frame is arranged at the middle position in the inner part of the transition device main part, a moving block is arranged at the upper position in the inner part of the inner frame, and a clamping assembly is arranged at the upper position of the moving block.

[0007] The transition device frame body is provided with a bottom frame at the bottom position, a guide plate is arranged at the right side position of the bottom frame, connecting blocks are arranged at the front and rear side positions of the inner frame, and a limiting plate is arranged at the outer side position of the transition device frame body.

[0008] Preferably, the transition device frame body is provided with a rotating shaft at the inner side front and rear positions, and the inner frame is provided with a rotating shaft at the outer side position.

[0009] Preferably, a transmission cavity is arranged at the inner side of the connecting block, and a transmission wheel is arranged at the inner position of the transmission cavity, and the rotating shaft and the transmission wheel are connected through a transmission rod.

[0010] Preferably, the rotating shafts at the front and back sides are connected through transmission bars, and a plurality of transmission bar limiting frames are arranged at the inner position of the inner frame.

[0011] Preferably, a fixing frame is arranged at the outer position of the inner frame, and the inner frame is connected and fixed through the connecting block.

[0012] Preferably, an upper plate is arranged at the upper position of the moving block, a bottom plate is arranged at the bottom position of the upper plate, a clamping groove is arranged at the upper middle position of the upper plate, and a positioning hole is arranged at the inner middle position of the clamping groove.

[0013] Preferably, lead clamps are arranged at the left and right sides of the clamping assembly respectively, a fixing hole is arranged at the inner middle position of the clamping assembly, and the moving block and the clamping assembly are fixedly connected through the fixing hole and the positioning hole.

[0014] Preferably, a plurality of lead holes are arranged at the inner position of the lead clamp in an array, the transition device frame body and the inner frame are fixedly connected through a connecting plate, an inner cavity is arranged at the inner position of the inner frame, the inner cavity corresponds to the moving block, and the transition device frame body and the inner frame are made of steel.

[0015] Compared with the prior art, the transition device of the lead frame has the following advantages

[0016] Beneficial effects:

[0017] 1. By the setting of the bottom frame, guide plate, connecting block, limiting plate, shaft, transmission cavity, transmission wheel, transmission rod, transmission bar, transmission bar limiting frame and fixed frame, the bottom frame is arranged at the bottom of the transition device frame body, which provides stable bottom support for the whole device and ensures the stability of the device during operation. The guide plate on the right side of the bottom frame can guide the movement of related parts or materials, making the operation more directional and accurate, which helps to improve work efficiency and reduce errors. The limiting plate on the outside of the transition device frame body can limit the movement range of some components in the device to prevent excessive displacement and ensure that each component works within the predetermined space, thereby improving the stability and reliability of the whole device operation. It is also beneficial to protect the parts in the device from unnecessary collision or damage. The shafts arranged on the transition device frame body and the inner frame are connected with the transmission wheel in the transmission cavity of the connecting block through the transmission rod, which constitutes a complex and orderly transmission system. The shafts on the front and back sides are also connected through transmission bars, further enhancing the coordination and continuity of transmission. This transmission system can efficiently transmit power and motion, ensuring coordinated action between components and meeting the needs of the device in different working conditions. The connecting blocks on the front and back sides of the inner frame and the fixed frame on the outside make the inner frame achieve stable connection through the connecting blocks, which not only ensures the stability of the inner frame structure itself, but also provides a basis for the stable work of other components such as moving blocks inside the inner frame, ensuring that the related functions of the inner frame are not affected during long-term operation of the device. The transmission bar limiting frame arranged inside the inner frame can limit the movement of the transmission bar to avoid shaking or deviating from the predetermined track during transmission, ensuring the accuracy and stability of transmission, while also reducing the possibility of damage to the transmission bar due to abnormal movement and prolonging the service life of the transmission component.

[0018] 2, through the setting of the upper plate, the bottom plate, the clamping groove, the positioning hole, the lead clamp and the fixing hole, the moving block and the clamping assembly are fixedly connected through the fixing hole and the positioning hole, the connection mode can make the two closely combine, and no loosening or displacement occurs in the operation process of the device, which is crucial to ensure the positioning accuracy of the lead frame in the machining or assembly process, avoids the position deviation of the lead frame due to the shaking of the clamping assembly, so as to affect the accuracy of the subsequent process, the clamping groove is arranged at the middle position of the upper plate, and the positioning hole is arranged at the middle position of the clamping groove, the design provides clear positioning basis for the installation of the clamping assembly, the operator can quickly and accurately install the clamping assembly on the moving block, improve the assembly efficiency, and also reduce the problems that may be caused by inaccurate installation position, the lead clamp is arranged at the left and right sides of the clamping assembly, and the lead clamp can stably clamp the lead frame from both sides, the double-sided clamp design can more evenly apply clamping force, effectively prevent the lead frame from shaking or falling off in the machining process, and ensure the stability of the lead frame in the device, provide reliable conditions for subsequent operation, the upper plate, the bottom plate, the clamping groove, the positioning hole, the clamping assembly, the lead clamp and the fixing hole and other structures are matched with each other, and form a compact and high-integration degree local structure, the design not only saves space, but also makes the cooperative work between the parts more efficient, and is beneficial to improve the performance of the whole lead frame transition device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the utility model.

[0020] Figure 2 It is a structure schematic view of the utility model main body bottom of transition device.

[0021] Figure 3 It is a structure schematic view of the utility model inner frame.

[0022] Figure 4 It is a structure schematic view of the utility model moving block.

[0023] Figure 5 It is a structure schematic view of the utility model transmission cavity.

[0024] Figure 6 It is a structure schematic view of the utility model clamping assembly.

[0025] In the figure: 1, transition device main body; 2, transition device frame; 3, moving block; 4, inner frame; 5, clamping assembly; 6, connecting plate; 7, transmission rod; 8, connecting block; 9, rotating shaft; 10, guide plate; 11, transmission bar; 12, limiting plate; 13, bottom frame; 14, transmission bar limiting frame; 15, inner cavity; 16, upper plate; 17, clamping groove; 18, positioning hole; 19, bottom plate; 20, transmission wheel; 21, transmission cavity; 22, fixed frame; 23, lead clamp; 24, fixing hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] The utility model provides a kind of lead frame transition device as shown in Figures 1-6 It comprises transition device main body 1;

[0028] Transition device main body 1 outside position is provided with transition device frame 2, transition device main body 1 inside middle position is provided with inner frame 4, the upper position in the inside of inner frame 4 is provided with moving block 3, the upper position of moving block 3 is provided with clamping assembly 5;

[0029] Transition device frame 2 bottom position is provided with bottom frame 13, bottom frame 13 right side position is provided with guide plate 10, inner frame 4 front and rear sides position is provided with connecting block 8, transition device frame 2 outside position is provided with limiting plate 12.

[0030] Transition device frame 2 inside front and rear are provided with rotating shaft 9 respectively, and rotating shaft 9 is arranged at the outside position of inner frame 4.

[0031] Connecting block 8 inside position is provided with transmission cavity 21, transmission wheel 20 is arranged at the inside position of transmission cavity 21, and rotating shaft 9 and transmission wheel 20 are connected by transmission rod 7.

[0032] Front and rear rotating shaft 9 are connected by transmission bar 11, and transmission bar limiting frame 14 is arranged in inner frame 4.

[0033] Inner frame 4 outside position is provided with fixed frame 22, and inner frame 4 is connected and fixed by connecting block 8.

[0034] The upper position of moving block 3 is provided with upper plate 16, the bottom position of upper plate 16 is provided with bottom plate 19, the upper middle position of upper plate 16 is provided with clamping groove 17, and the middle position of clamping groove 17 is provided with positioning hole 18.

[0035] The lead clamps 23 are arranged at the left and right sides of the clamping assembly 5, and the fixed holes 24 are arranged at the middle of the clamping assembly 5. The moving block 3 is fixedly connected with the clamping assembly 5 through the fixed holes 24 and the positioning holes 18.

[0036] The lead holes are arranged in an array at the inner position of the lead clamps 23. The transition device frame 2 is fixedly connected with the inner frame 4 through the connecting plate 6. The inner cavity 15 is arranged at the inner position of the inner frame 4, and the inner cavity 15 corresponds to the moving block 3. The transition device frame 2 and the inner frame 4 are made of steel.

[0037] In the embodiment, the specific implementation steps of the lead frame transition device are as follows. First, the transition device is placed at a suitable working position, and it is confirmed that the transition device main body 1 and the transition device frame 2 are in a stable state. The position of the inner frame 4 in the transition device frame 2 is observed, and the moving block 3 above the inner frame 4 and the clamping assembly 5 above the moving block 3 are also observed. The connection of the bottom frame 13 at the bottom of the transition device frame 2 is checked, and it is ensured that the right guide plate 10 is correctly installed. It is checked whether the limiting plate 12 outside the transition device frame 2 is in a normal position. The limiting plate 12 can limit some movements or placements of the device. The rotation flexibility and stability of the rotating shafts 9 in front of and behind the transition device frame 2 and the rotating shafts 9 outside the inner frame 4 are checked. The transmission wheel 20 in the transmission cavity 21 inside the connecting block 8 is observed, and it is confirmed whether the transmission rod 7 accurately connects the rotating shaft 9 with the transmission wheel 20. The integrity of the transmission system is ensured. The connection of the transmission bars 11 between the rotating shafts 9 in front of and behind the transition device frame 2 is checked, and the transmission bar limiting frame 14 inside the inner frame 4 is also observed. The transmission bar limiting frame 14 can ensure that the transmission bars 11 do not deviate during operation. The fastening degree of the inner frame 4 connected with the connecting block 8 and the state of the fixed frame 22 outside the inner frame 4 are confirmed. When the lead frame is prepared to be placed, the upper plate 16 above the moving block 3 and the bottom plate 19 are observed. The positions of the middle clamping groove 17 and the positioning hole 18 above the upper plate 16 are noted. The clamping assembly 5 is aligned with the lead frame to be processed through the lead clamps 23 at the left and right sides of the clamping assembly 5. The lead holes arranged in an array inside the lead clamps 23 are used to fix the lead. Then, the moving block 3 is fixedly connected with the clamping assembly 5 through the fixed holes 24 in the middle of the clamping assembly 5 and the positioning holes 18 on the moving block 3. During the whole process, it is noted that the transition device frame 2 is fixedly connected with the inner frame 4 through the connecting plate 6, and the corresponding relationship between the inner cavity 15 inside the inner frame 4 and the moving block 3 is also observed. The inner cavity 15 provides space for the movement of the moving block 3. The transition device frame 2 and the inner frame 4 are made of steel, which can ensure the strength and stability of the device.

[0038] As Figures 1-4As shown, the transition device frame 2 is provided with a bottom frame 13 at the bottom position, a guide plate 10 at the right side of the bottom frame 13, a connecting block 8 at the front and rear sides of the inner frame 4, a limiting plate 12 at the outer side of the transition device frame 2, a rotating shaft 9 at the inner side of the transition device frame 2, a rotating shaft 9 at the outer side of the inner frame 4, a transmission cavity 21 at the inner side of the connecting block 8, a transmission wheel 20 at the inner position of the transmission cavity 21, a transmission rod 7 connecting the rotating shaft 9 and the transmission wheel 20, a transmission bar 11 connecting the front and rear rotating shafts 9, a transmission bar limiting frame 14 at the inner position of the inner frame 4, a fixed frame 22 at the outer side of the inner frame 4, and the inner frame 4 is connected and fixed through the connecting block 8.

[0039] Preferably, the transition device frame 2 is provided with a bottom frame 13 at the bottom position, a guide plate 10 at the right side of the bottom frame 13, a connecting block 8 at the front and rear sides of the inner frame 4, a limiting plate 12 at the outer side of the transition device frame 2, a rotating shaft 9 at the inner side of the transition device frame 2, a rotating shaft 9 at the outer side of the inner frame 4, a transmission cavity 21 at the inner side of the connecting block 8, a transmission wheel 20 at the inner position of the transmission cavity 21, a transmission rod 7 connecting the rotating shaft 9 and the transmission wheel 20, a transmission bar 11 connecting the front and rear rotating shafts 9, a transmission bar limiting frame 14 at the inner position of the inner frame 4, a fixed frame 22 at the outer side of the inner frame 4, and the inner frame 4 is connected and fixed through the connecting block 8.

[0040] As shown in the drawings, the transition device frame 2 is provided with a bottom frame 13 at the bottom position, a guide plate 10 at the right side of the bottom frame 13, a connecting block 8 at the front and rear sides of the inner frame 4, a limiting plate 12 at the outer side of the transition device frame 2, a rotating shaft 9 at the inner side of the transition device frame 2, a rotating shaft 9 at the outer side of the inner frame 4, a transmission cavity 21 at the inner side of the connecting block 8, a transmission wheel 20 at the inner position of the transmission cavity 21, a transmission rod 7 connecting the rotating shaft 9 and the transmission wheel 20, a transmission bar 11 connecting the front and rear rotating shafts 9, a transmission bar limiting frame 14 at the inner position of the inner frame 4, a fixed frame 22 at the outer side of the inner frame 4, and the inner frame 4 is connected and fixed through the connecting block 8. Figure 1 and Figures 5-6As shown, an upper plate 16 is provided above the moving block 3, a bottom plate 19 is provided at the bottom of the upper plate 16, a slot 17 is provided at the middle position above the upper plate 16, a positioning hole 18 is provided at the middle position inside the slot 17, wire clamps 23 are provided on the left and right sides of the clamping component 5 respectively, and a fixing hole 24 is provided at the middle position inside the clamping component 5. The moving block 3 and the clamping component 5 are fixedly connected through the fixing hole 24 and the positioning hole 18.

[0041] Preferably, the movable block 3 and the clamping component 5 are fixedly connected through the fixing hole 24 and the positioning hole 18. This connection method ensures that the two are tightly joined and will not loosen or shift during the operation of the device. This is crucial for ensuring the positioning accuracy of the lead frame during processing or assembly, and avoids positional deviation of the lead frame due to the shaking of the clamping component 5, which would affect the accuracy of subsequent processes. A slot 17 is provided at the middle position above the upper plate 16, and a positioning hole 18 is provided at the middle position inside the slot 17. This design provides a clear positioning basis for the installation of the clamping component 5, allowing operators to quickly and accurately install the clamping component 5 on the movable block 3, improving assembly efficiency and reducing the risk of misalignment due to inaccurate installation. To address potential issues, lead wire clamps 23 are provided on both sides of the clamping assembly 5, which can firmly clamp the lead wire frame from both sides. This double-sided clamping design can apply clamping force more evenly, effectively preventing the lead wire frame from shaking or falling off during processing, ensuring the stability of the lead wire frame in the device, and providing reliable conditions for subsequent operations. The upper plate 16, the bottom plate 19, the slot 17, the positioning hole 18, the clamping assembly 5, the lead wire clamps 23, and the fixing hole 24 cooperate with each other to form a compact and highly integrated local structure. This design not only saves space but also makes the collaborative work between various components more efficient, which is conducive to improving the performance of the entire lead wire frame transition device.

[0042] like Figures 1-6 As shown, lead wire holes are arrayed inside the lead wire clamp 23. The transition device frame 2 and the inner frame 4 are fixedly connected by the connecting plate 6. An inner cavity 15 is provided inside the inner frame 4, which corresponds to the moving block 3. The transition device frame 2 and the inner frame 4 are made of steel.

[0043] Optionally, the lead clamps 23 are arranged with lead holes at the inner positions, which has the advantages that the multiple leads can be orderly positioned and fixed, the multiple leads can be processed at the same time, the work efficiency is improved, each lead hole can ensure the accurate position of the lead during the processing or transmission, the mutual entanglement or misplacement of the leads is avoided, the quality and precision of the lead frame processing are ensured, the transition device frame body 2 and the inner frame 4 are fixedly connected through the connecting plate 6, the connecting mode makes the two form a stable whole structure, the mechanical strength and stability of the whole device are enhanced, the device can effectively resist the action of external force during the operation, the loosening or displacement between the frame body and the inner frame is prevented, the relative position stability of the internal components is ensured, the normal operation of the device is ensured, the steel material has high strength and hardness, can bear large external force and pressure, and is not easy to deform, which makes the device can prolong the service life and reduce the maintenance cost in the complex working environment.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A lead frame transition device, comprising a transition device body (1); A transition device frame (2) is provided on the outer side of the transition device body (1), an inner frame (4) is provided in the middle of the transition device body (1), a moving block (3) is provided at the upper part of the inner frame (4), and a clamping component (5) is provided at the upper part of the moving block (3). Its features are: The transition device frame (2) has a bottom frame (13) at the bottom position, a guide plate (10) at the right side of the bottom frame (13), a connecting block (8) at the front and rear sides of the inner frame (4), and a limit plate (12) at the outer side of the transition device frame (2).

2. The lead frame transition device according to claim 1, characterized in that: The transition device frame (2) has a rotating shaft (9) on the front and back sides of its inner side, and the inner frame (4) has a rotating shaft (9) on its outer side.

3. The lead frame transition device according to claim 2, characterized in that: A transmission cavity (21) is provided on the inner side of the connecting block (8), and a transmission wheel (20) is provided inside the transmission cavity (21). The rotating shaft (9) and the transmission wheel (20) are connected by a transmission rod (7).

4. A lead frame transition device according to claim 3, characterized in that: The rotating shafts (9) on the front and rear sides are connected by transmission bars (11), and transmission bar limit frames (14) are arranged in array inside the inner frame (4).

5. A lead frame transition device according to claim 4, characterized in that: A fixing frame (22) is provided on the outer side of the inner frame (4), and the inner frame (4) is fixed by a connecting block (8).

6. A lead frame transition device according to claim 1, characterized in that: An upper plate (16) is provided above the movable block (3), a bottom plate (19) is provided at the bottom of the upper plate (16), a slot (17) is provided at the middle position above the upper plate (16), and a positioning hole (18) is provided at the middle position inside the slot (17).

7. A lead frame transition device according to claim 5, characterized in that: The clamping assembly (5) is provided with lead wire clamps (23) on the left and right sides respectively, and a fixing hole (24) is provided in the middle of the clamping assembly (5). The moving block (3) is fixedly connected to the clamping assembly (5) through the fixing hole (24) and the positioning hole (18).

8. A lead frame transition device according to claim 7, characterized in that: The lead wire clamp (23) has an array of lead wire holes inside. The transition device frame (2) and the inner frame (4) are fixedly connected by a connecting plate (6). The inner frame (4) has an inner cavity (15) inside. The inner cavity (15) corresponds to the moving block (3). The transition device frame (2) and the inner frame (4) are made of steel.

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