Diode lead straightening device

The diode lead straightening device with a small-volume pressure roller and a limiting structure solves the problem of difficult straightening of diode leads during production, achieving efficient and stable lead shaping effect.

CN224026351UActive Publication Date: 2026-03-24JINING YANZHOU DISTRICT YIZHEN ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Diode leads are difficult to straighten efficiently and stably during production and assembly, leading to frequent local bending of the leads.

Method used

A diode lead straightening device employing a small-volume pressure roller and a limiting structure guides and limits the lead through an electric telescopic rod-driven pressure roller and limiting assembly, allowing it to enter a specific straightening groove for straightening.

Benefits of technology

This achieves stable DC voltage conversion of diode leads, improves DC voltage conversion efficiency, and expands the range of applications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a diode lead straightening device which comprises a processing table, the top of the processing table is fixedly connected with a positioning jig, the rear side of the top of the processing table is fixedly connected with a supporting plate, an inner cavity of the supporting plate is provided with a lifting block capable of ascending and descending, the two sides of the lifting block are both rotationally connected with rotating arms, and the rotating arms are fixedly connected with the positioning jig. The bottom end of the rotating arm is rotationally connected with a pressing wheel, the top of the lifting block is fixedly connected with a fixing pipe, an electric telescopic rod is fixedly installed on the top of the supporting plate, and a lead groove matched with a diode lead is formed in the top of the positioning jig. According to the utility model, the electric telescopic rod, the fixing pipe and the limiting assembly are used in cooperation to press and limit the diode, and the rotating arm and the pressing wheel are used in cooperation to press the impression of the diode in the inner cavity of the lead groove and press the lead to be straight, so that the purposes of stable straightening process, high straightening efficiency and wide application range can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to diode processing technical field, especially, relate to a diode lead wire straightening device. BACKGROUND

[0002] Diode is a kind of electronic component with two electrodes, and the most important characteristic of diode is unidirectional conductivity, i.e. current can only flow from one direction of diode, and almost cannot pass from another direction, in circuit, diode can be used for rectification (convert AC into DC), voltage stabilization, signal detection, switching and other functions.

[0003] In the production and assembly process of diode, the flatness and straightness of lead wire can change the performance and reliability of diode, however, due to the small volume and length of diode and its lead wire, it is inconvenient to straighten the lead wire, generally, artificial straightening is relied on for short lead wire, but there is still the phenomenon of local bending of lead wire, therefore, it is needed to provide a diode lead wire straightening device, small-size pressure wheel is used to guide lead wire, so that it enters specific shaping groove to be straightened, and synchronous limiting structure is provided at the same time, to ensure the stability of diode in the straightening process. SUMMARY

[0004] The utility model aims at providing a diode lead wire straightening device, small-size pressure wheel is used to guide lead wire, so that it enters specific shaping groove to be straightened, and synchronous limiting structure is provided at the same time, to ensure the stability of diode in the straightening process, to solve the above technical problem.

[0005] The utility model solves the technical scheme as follows to the above technical problem: a diode lead wire straightening device, including processing table: the top of processing table is fixedly connected with positioning fixture, the rear side of the top of processing table is fixedly connected with support plate, the inner chamber of support plate is provided with liftable lifting piece, the both sides of lifting piece are all rotatably connected with swing arm, the bottom of swing arm is rotatably connected with pressure wheel, the top of lifting piece is fixedly connected with fixed tube, the top of support plate is fixedly installed with electric telescopic handle, the output of electric telescopic handle is penetrated to the inner chamber of support plate and is fixedly connected with fixed tube, the inner chamber of fixed tube is provided with limiting assembly, the top of positioning fixture is equipped with the lead wire groove that is suitable for diode lead wire.

[0006] Preferably, the limiting assembly includes a pressure rod slidingly connected in the inner chamber of the fixed tube, and a sponge pressing block is fixedly connected to the bottom of the pressure rod.

[0007] Preferably, the top of each side of the pressure rod is fixedly connected with a limiting pin, and each side of the fixed tube is provided with an arc-shaped limiting slot matched with the limiting pin.

[0008] The top of the fixed pipe inner cavity is preferably welded with a spring, and the bottom end of the spring is welded with the pressing rod.

[0009] The front side and the rear side of the lifting block are preferably welded with two tension springs, and the end of the tension spring away from the lifting block is welded with the rotating arm.

[0010] The two sides of the top of the lifting block are preferably fixedly connected with guide plates, the two ends of the rear side of the support plate inner cavity are fixedly connected with guide rails, and the guide plates are slidably connected to the surface of the guide rails.

[0011] 1. The utility model discloses a beneficial effect is: the utility model discloses through the cooperation of electric telescopic rod, fixed pipe and limiting component, the diode is pressed and is positioned, and simultaneously through the cooperation of rotating arm and pressure wheel, the diode is pressed and is positioned in the inner chamber of lead groove, and the lead is pressed and is straight, can reach the purpose that the straightening process is stable, the straightening efficiency is high and the use range is wide.

[0012] 2. The utility model discloses through the setting of limiting component, wherein the cooperation of pressing rod and sponge pressure block plays the role of extruding and positioning diode, makes diode can be stably clamped in the inner chamber of positioning fixture, and under the cooperation of limiting pin and arc limiting groove, plays the role of limiting and guiding to pressing rod, makes the sponge pressure block can be accurately pressed and positioned on the surface of diode.

[0013] 3. The utility model discloses through the cooperation of guide plate and guide rail, plays the role of limiting and guiding to lifting block, makes lifting block can stably keep vertical up and down motion. DRAWINGS

[0014] Among them:

[0015] Figure 1 It is the three-dimensional schematic view of one embodiment of the utility model;

[0016] Figure 2 It is the three-dimensional schematic view of one embodiment of the utility model processing platform, positioning fixture and electric telescopic rod;

[0017] Figure 3 It is the three-dimensional schematic view of one embodiment of the utility model lifting block, rotating arm and pressure wheel;

[0018] Figure 4 It is one embodiment of the utility model Figure 3 The local enlarged view of point A.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, processing platform, 2, positioning fixture, 3, support plate, 4, lifting block, 5, rotating arm, 6, pressure wheel, 7, fixed tube, 8, electric telescopic rod, 9, limiting assembly, 91, pressure rod, 92, sponge pressure block, 93, limit pin, 94, arc limit groove, 95, spring, 10, lead slot, 11, tension spring, 12, guide plate, 13, guide rail. DETAILED DESCRIPTION

[0021] Hereinafter, the embodiment of the diode lead straightening device of the utility model will be described with reference to the drawings.

[0022] Figures 1-4 The diode lead straightening device of one embodiment of the utility model is shown, including processing platform 1: the top of processing platform 1 is fixedly connected with positioning fixture 2, the rear side of the top of processing platform 1 is fixedly connected with support plate 3, the inner cavity of support plate 3 is provided with liftable lifting block 4, the two sides of the top of lifting block 4 are both fixedly connected with guide plate 12, the two ends of the rear side of the inner cavity of support plate 3 are both fixedly connected with guide rail 13, guide plate 12 is slidingly connected on the surface of guide rail 13, through the cooperation of guide plate 12 and guide rail 13, lifting block 4 is limited and guided, lifting block 4 can stably keep vertical up-down movement, the two sides of lifting block 4 are both rotatably connected with rotating arm 5, the front side and the rear side of lifting block 4 are both welded with two tension springs 11, one end of tension spring 11 away from lifting block 4 is welded with rotating arm 5, the bottom end of rotating arm 5 is rotatably connected with pressure wheel 6, the top of lifting block 4 is fixedly connected with fixed tube 7, the top of support plate 3 is fixedly installed with electric telescopic rod 8, the output end of electric telescopic rod 8 penetrates to the inner cavity of support plate 3 and is fixedly connected with fixed tube 7, the inner cavity of fixed tube 7 is provided with limiting assembly 9, limiting assembly 9 includes pressure rod 91 slidingly connected in the inner cavity of fixed tube 7, the bottom of pressure rod 91 is fixedly connected with sponge pressure block 92, the top of the two sides of pressure rod 91 is both fixedly connected with limit pin 93, the two sides of fixed tube 7 are both provided with arc limit groove 94 matched with limit pin 93, the top of the inner cavity of fixed tube 7 is welded with spring 95, the bottom end of spring 95 is welded with pressure rod 91, through the setting of limiting assembly 9, the cooperation of pressure rod 91 and sponge pressure block 92, diode is extruded and limited, diode can stably engage in the inner cavity of positioning fixture 2, under the cooperation of limit pin 93 and arc limit groove 94, pressure rod 91 is limited and guided, sponge pressure block 92 can accurately press on the surface of diode, the top of positioning fixture 2 is provided with lead slot 10 matched with diode lead.

[0023] Working principle: the utility model for use, the user is placed in the inner chamber of positioning fixture 2 through the diode, at the moment diode lead is in the state of bending and is located in the top of positioning fixture 2, subsequently opens electric telescopic handle 8, electric telescopic handle 8 pushes down fixed pipe 7 and is located, make that lifting piece 4 slide down, in turn make that pressure bar 91 and swing arm 5 occur displacement, sponge pressure block 92 first contact with the surface of diode, and press the diode and limit, lifting piece 4 continuously slide down, make that pressure bar 91 compress spring 95, simultaneously, when the lead of diode is contacted by pressure wheel 6, it is blocked by positioning fixture 2, two swing arm 5 move back and compress extension spring 11, under the action of pressure wheel 6 and the surface arc groove thereof, the bent diode lead is guided to the inner chamber of lead groove 10 under the guiding action, make that the diode lead can be straightened, subsequently electric telescopic handle 8 resets upwards, through the resilience of extension spring 11 and the rolling pressure effect of pressure wheel 6, the diode lead is shaped again, subsequently sponge pressure block 92 is separated from the surface of diode, two swing arm 5 resets and can.

[0024] In conclusion: the diode lead straightening device, through the cooperation of electric telescopic handle 8, fixed pipe 7 and limiting component 9, the diode is pressed and limited, and simultaneously through the cooperation of swing arm 5 and pressure wheel 6, the diode is pressed and combined in the inner chamber of lead groove 10, the lead is straightened, so that the straightening process is stable, the straightening efficiency is high and the use range is wide.

Claims

1. A diode lead straightening device, characterized in that, The equipment includes a processing table (1): a positioning fixture (2) is fixedly connected to the top of the processing table (1), a support plate (3) is fixedly connected to the rear side of the top of the processing table (1), a lifting block (4) is provided in the inner cavity of the support plate (3), a rotating arm (5) is rotatably connected to both sides of the lifting block (4), a pressure roller (6) is rotatably connected to the bottom end of the rotating arm (5), a fixing pipe (7) is fixedly connected to the top of the lifting block (4), an electric telescopic rod (8) is fixedly installed on the top of the support plate (3), the output end of the electric telescopic rod (8) passes through the inner cavity of the support plate (3) and is fixedly connected to the fixing pipe (7), a limit component (9) is provided in the inner cavity of the fixing pipe (7), and a lead groove (10) adapted to the diode lead is opened on the top of the positioning fixture (2).

2. The diode lead straightening device according to claim 1, characterized in that, The limiting component (9) includes a pressure rod (91) that is slidably connected to the inner cavity of the fixed tube (7), and a sponge pressure block (92) is fixedly connected to the bottom of the pressure rod (91).

3. The diode lead straightening device according to claim 2, characterized in that, The top of both sides of the pressure rod (91) is fixedly connected with a limiting pin (93), and both sides of the fixing tube (7) are provided with an arc-shaped limiting groove (94) that matches the limiting pin (93).

4. A diode lead straightening device according to claim 3, characterized in that, A spring (95) is welded to the top of the inner cavity of the fixed tube (7), and the bottom end of the spring (95) is welded to the pressure rod (91).

5. A diode lead straightening device according to claim 4, characterized in that, Two tension springs (11) are welded to the front and rear sides of the lifting block (4), and the end of the tension spring (11) away from the lifting block (4) is welded to the rotating arm (5).

6. A diode lead straightening device according to claim 5, characterized in that, Guide plates (12) are fixedly connected to both sides of the top of the lifting block (4), and guide rails (13) are fixedly connected to both ends of the rear side of the inner cavity of the support plate (3). The guide plates (12) are slidably connected to the surface of the guide rails (13).