Silicon controlled rectifier supporting leg bending device

By designing a bending device for the thyristor legs and utilizing preheating and cooling technologies, the problem of thyristor legs breaking during bending was solved, achieving safe and efficient processing results.

CN223616646UActive Publication Date: 2025-12-02YANGZHOU YANGJING ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422889597.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-12-02
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The thyristor support has high rigidity during bending, which can easily lead to stress concentration and metal fatigue, resulting in breakage during bending.

Method used

A thyristor-controlled support leg bending device was designed, including a frame, belt conveyor, preheating component, bending groove, hydraulic cylinder and bending head. The support leg is preheated by an electric heating block in the preheating groove to improve the material's ductility. The temperature is adjusted by a temperature sensor and controller to prevent burns and deformation. The cooling groove cools the support leg to maintain its shape.

Benefits of technology

It reduces concentrated stress and metal fatigue during bending, avoids material cracking or poor deformation, and improves processing safety and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the technical scheme, the silicon controlled rectifier supporting foot bending device is characterized in that the silicon controlled rectifier supporting foot bending device comprises a rack, a belt conveyor is arranged on the inner bottom face of the rack, a plurality of silicon controlled rectifiers are arranged on the top face of the belt conveyor, a bending groove is formed in the inner bottom face of the rack, and a connecting plate is arranged in the rack; a bending head is fixedly installed on the bottom face of the connecting plate, a hydraulic cylinder is fixedly installed on the top face of the rack, and a shaft of the hydraulic cylinder is fixedly connected with the connecting plate. The preheating assembly is arranged on the inner bottom face of the rack and used for preheating the supporting feet of the silicon controlled rectifier, by arranging the electric heating block, the silicon controlled rectifier passes through the preheating groove before being conveyed to the bending groove through the belt conveyor, the supporting feet of the silicon controlled rectifier are preheated through the electric heating block in the preheating groove, the expandability of supporting foot materials is improved, and the service life of the silicon controlled rectifier is prolonged. Concentrated stress and metal fatigue in the bending process are reduced, and material cracking or poor deformation is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of thyristor processing technology, specifically to a thyristor support bending device. Background Technology

[0002] A thyristor, short for silicon controlled rectifier, is a high-power semiconductor device with a four-layer structure and three PN junctions. It is also known as a triac. Characterized by its small size, relatively simple structure, and powerful functionality, it is one of the most commonly used semiconductor devices. Currently, thyristors are typically sold packaged in a long, protective tube. This tube provides good protection for the thyristor, and its open ends facilitate easy access to the device.

[0003] Thyristor devices are widely used in air conditioners, televisions, refrigerators, washing machines, cameras, stereo systems, audio-visual circuits, timer controllers, toy devices, radio remote controls, video cameras, and industrial control systems. When soldering thyristors onto circuit boards, the leads of the thyristors need to be cut and bent to meet the installation requirements of different circuit boards.

[0004] Currently, the rigidity of the thyristor legs is relatively high during bending, which can easily lead to stress concentration and metal fatigue, causing the legs to break during bending. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a thyristor-controlled leg bending device, which solves the problems mentioned in the background art.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A thyristor support leg bending device includes: a frame, a belt conveyor disposed on the inner bottom surface of the frame, a plurality of thyristors disposed on the top surface of the belt conveyor, a bending groove formed on the inner bottom surface of the frame, a connecting plate disposed inside the frame, a bending head fixedly mounted on the bottom surface of the connecting plate, a hydraulic cylinder fixedly mounted on the top surface of the frame, and the shaft of the hydraulic cylinder being fixedly connected to the connecting plate; and a preheating assembly disposed on the inner bottom surface of the frame for preheating the supports of the thyristors.

[0008] Preferably, the preheating component includes: a preheating tank, which is formed on the inner bottom surface of the frame, and an electric heating block is provided inside the preheating tank.

[0009] Preferably, a protective frame is fixedly installed on the inner bottom surface of the frame, and the protective frame is located above the electric heating block.

[0010] Preferably, a temperature sensor is fixedly installed on the inner top surface of the protective frame, and a temperature controller is fixedly installed on one side of the frame, with the temperature sensor and the temperature controller being electrically connected.

[0011] Preferably, a cooling groove is provided on the inner bottom surface of the frame, a cooling box is fixedly installed on the inner bottom surface of the frame, and a plurality of spray pipes are provided on one side of the cooling box.

[0012] Preferably, a fixing frame is fixedly installed on the bottom surface of the connecting plate.

[0013] In summary, the present invention has the following main advantages:

[0014] By setting up electric heating blocks, when the thyristor is conveyed by the belt conveyor to the bending groove, it passes through the preheating groove. The electric heating blocks in the preheating groove preheat the support legs of the thyristor, improves the ductility of the support leg material, reduces concentrated stress and metal fatigue during the bending process, and avoids material cracking or poor deformation.

[0015] By setting up a protective frame, workers can be prevented from accidentally touching the electric heating block during the preheating process, which could lead to burns and improve processing safety. By setting up a temperature sensor to detect the surface temperature of the electric heating block, the surface temperature of the electric heating block can be adjusted by a temperature controller according to the different materials of the SCR pins, so as to adapt to the preheating of SCR pins of different materials. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the bending block structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the protective frame structure of this utility model.

[0019] Reference numerals: 1. Frame; 2. Belt conveyor; 3. SCR; 4. Bending groove; 5. Bending head; 6. Connecting plate; 7. Hydraulic cylinder; 8. Preheating tank; 9. Electric heating block; 10. Protective frame; 11. Temperature sensor; 12. Temperature controller; 13. Fixing frame; 14. Cooling tank; 15. Cooling box; 16. Spray pipe. Detailed Implementation

[0020] 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.

[0021] refer to Figure 1 , Figure 2 and Figure 3 A thyristor support leg bending device includes: a frame 1, a belt conveyor 2 is provided on the inner bottom surface of the frame 1, a plurality of thyristors 3 are provided on the top surface of the belt conveyor 2, a bending groove 4 is provided on the inner bottom surface of the frame 1, a connecting plate 6 is provided inside the frame 1, a bending head 5 is fixedly installed on the bottom surface of the connecting plate 6, a hydraulic cylinder 7 is fixedly installed on the top surface of the frame 1, and the shaft of the hydraulic cylinder 7 is fixedly connected to the connecting plate 6; and a preheating component, which is provided on the inner bottom surface of the frame 1 for preheating the support legs of the thyristors 3.

[0022] By setting up a belt conveyor 2, on which several thyristors 3 are evenly arranged, when the support leg of the thyristor 3 passes through the bending groove 4, the hydraulic cylinder 7 is activated, driving the bending head 5 to press down on the support leg, so as to bend the support leg, so as to realize continuous processing and improve processing efficiency.

[0023] As a further embodiment of this utility model, the preheating component includes: a preheating tank 8, which is opened on the inner bottom surface of the frame 1, and an electric heating block 9 is provided inside the preheating tank 8;

[0024] By setting up electric heating blocks 9, before the thyristor 3 is conveyed to the bending groove 4 by the belt conveyor 2, it passes through the preheating groove 8. The electric heating blocks 9 in the preheating groove 8 preheat the support legs of the thyristor 3, improve the ductility of the support leg material, reduce concentrated stress and metal fatigue during the bending process, and avoid material cracking or poor deformation.

[0025] As a further embodiment of this utility model, a protective frame 10 is fixedly installed on the inner bottom surface of the frame 1, and the protective frame 10 is located above the electric heating block 9.

[0026] By setting up a protective frame 10, it is possible to prevent workers from accidentally touching the electric heating block 9 during the preheating process, which could lead to burns and improve processing safety.

[0027] As a further embodiment of this utility model, a temperature sensor 11 is fixedly installed on the inner top surface of the protective frame 10, and a temperature controller 12 is fixedly installed on one side of the frame 1. The temperature sensor 11 and the temperature controller 12 are electrically connected.

[0028] By setting a temperature sensor 11, the surface temperature of the electric heating block 9 is detected. According to the different materials of the SCR 3 pins, the surface temperature of the electric heating block 9 can be adjusted by the temperature controller 12 to adapt to the preheating of the SCR 3 pins of different materials.

[0029] As a further embodiment of this utility model, a cooling groove 14 is provided on the inner bottom surface of the frame 1, and a cooling box 15 is fixedly installed on the inner bottom surface of the frame 1. Several spray pipes 16 are provided on one side of the cooling box 15.

[0030] By setting up a cooling box 15, when the three legs of the thyristor are bent and pass through the cooling tank 14, the coolant in the cooling box 15 is sprayed onto the legs through the spray pipe 16 to cool the three legs of the thyristor and maintain their processed shape.

[0031] As a further embodiment of this utility model, a fixing bracket 13 is fixedly installed on the bottom surface of the connecting plate 6;

[0032] By setting up the fixing frame 13, during use, the hydraulic cylinder 7 drives the bending head 5 to bend the support leg, and at the same time, it drives the fixing frame 13 to fix the thyristor 3 on the belt conveyor 2, so as to prevent the thyristor 3 from shaking and affecting the bending quality.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A thyristor-based leg bending device, characterized in that, include: A frame (1) is provided with a belt conveyor (2) on the bottom surface of the frame (1), and a number of thyristors (3) are provided on the top surface of the belt conveyor (2). A bending groove (4) is provided on the bottom surface of the frame (1). A connecting plate (6) is provided inside the frame (1). A bending head (5) is fixedly installed on the bottom surface of the connecting plate (6). A hydraulic cylinder (7) is fixedly installed on the top surface of the frame (1). The shaft of the hydraulic cylinder (7) is fixedly connected to the connecting plate (6). A preheating assembly is disposed on the inner bottom surface of the frame (1) for preheating the legs of the thyristor (3).

2. The thyristor support bending device according to claim 1, characterized in that, The preheating component includes: The preheating tank (8) is located on the bottom surface of the frame (1), and an electric heating block (9) is provided inside the preheating tank (8).

3. The thyristor support bending device according to claim 2, characterized in that, A protective frame (10) is fixedly installed on the inner bottom surface of the frame (1), and the protective frame (10) is located above the electric heating block (9).

4. The thyristor support bending device according to claim 3, characterized in that, A temperature sensor (11) is fixedly installed on the inner top surface of the protective frame (10), and a temperature controller (12) is fixedly installed on one side of the frame (1). The temperature sensor (11) and the temperature controller (12) are electrically connected.

5. The thyristor support bending device according to claim 2, characterized in that, The frame (1) has a cooling groove (14) on its inner bottom surface, and a cooling box (15) is fixedly installed on the inner bottom surface of the frame (1). Several spray pipes (16) are provided on one side of the cooling box (15).

6. The thyristor support bending device according to claim 1, characterized in that, A fixing bracket (13) is fixedly installed on the bottom surface of the connecting plate (6).