Piezoresistor welding system based on precise positioning welding structure

Abstract

The invention relates to the technical field of welding, and discloses a piezoresistor welding system based on a precise positioning welding structure, which comprises a transmission part, the transmission part is positioned on the side edge of wave-soldering equipment, the transmission part comprises transmission equipment penetrating through the wave-soldering equipment, and the side edge of the transmission equipment is fixedly connected with a fixing frame; one end of the fixing frame is fixedly connected with an inlet of wave-soldering equipment, a limiting structure is arranged at the top end of the inner wall of the fixing frame, and a righting structure is arranged at the end, close to the wave-soldering equipment, of the limiting structure. Aiming at the piezoresistor welding process, a structural system covering limiting, righting and positioning functions is built, the precision of the welding position of the piezoresistor is comprehensively guaranteed, the welding quality and efficiency are improved, the piezoresistor is prevented from shifting or falling off during transmission through the limiting structure, the righting structure accurately righting the piezoresistor before wave soldering is conducted, and the welding quality is improved. The positioning structure applies different pressures according to the requirements of different wave-soldering areas, so that the soldering quality is guaranteed.

Claims

1. A varistor welding system based on a precise positioning welding structure, characterized in that: include: A wave soldering device (1), wherein the interior of the wave soldering device (1) is divided into a preheating zone (12), a welding zone (13) and a cooling zone (14) from left to right according to different functions; a positioning structure (6) for applying different degrees of pressure to a varistor is arranged above the inner wall of the wave soldering device (1); the positioning structure (6) comprises a slide rail (61) fixedly connected to the upper inner wall of the wave soldering device (1); a positioning member (62) is slidably connected to the inner wall of the slide rail (61); the positioning member (62) applies different pressures to the varistor in the preheating zone (12), the welding zone (13) and the cooling zone (14); the positioning member (62) comprises a positioning column (625) in contact with the varistor; a positioning plate (623) is arranged at one end of the positioning column (625) close to the slide rail (61); the positioning plate (623) drives the positioning column (625) to move to apply different pressures to the varistor; A transmission part (2), the transmission part (2) being located at a side of the wave soldering device (1), a limiting structure (3) being arranged inside the transmission part (2), and a bottom end of the positioning column (625) being higher than a bottom end of the limiting structure (3) in an initial state; Wherein, a straightening structure (5) is provided at one end of the limiting structure (3) close to the wave soldering equipment (1), and the straightening structure (5) performs a final position correction on the component when the component is about to enter the entrance of the wave soldering equipment (1).

2. A varistor welding system based on a precise positioning welding structure according to claim 1, characterized in that: The positioning member (62) further comprises a slide frame (621) slidably connected to the inner wall of the slide rail (61), a spring sheet (622) being arranged on the side of the inner wall of the slide frame (621), a middle portion of the slide frame (621) being slidably connected to the outer wall of the positioning plate (623), and a telescopic rod (626) being fixedly connected to one end of the positioning plate (623) close to the slide rail (61).

3. A varistor welding system based on a precise positioning welding structure according to claim 1, characterized in that: The transmission part (2) comprises a transmission device (21) that penetrates the wave soldering equipment (1), a fixing frame (22) being fixedly connected to a side of the transmission device (21), and one end of the fixing frame (22) being fixedly connected to an entrance of the wave soldering equipment (1).

4. A varistor welding system based on a precise positioning welding structure according to claim 3, characterized in that: The limiting structure (3) comprises a limiting plate (31) fixedly connected to the top of the inner wall of the fixing frame (22), a pressing plate (32) being symmetrically arranged at the bottom end of the limiting plate (31), a connecting rod (33) being arranged on the side of the pressing plate (32), a side plate (35) being arranged at the other end of the connecting rod (33), and a limiting block (36) being arranged at the other end of the side plate (35).

5. A varistor welding system based on a precise positioning welding structure according to claim 4, characterized in that: The length of the limit plate (31) is greater than the length of the inner wall of the fixing frame (22); a straightening structure (5) is provided at the bottom end of the limit plate (31) beyond the fixing frame (22); the straightening structure (5) comprises a guide plate (51) located at one end of the side plate (35); a second connecting rod (53) is provided on the side of the guide plate (51); and a damping pad (52) is provided at the bottom end of the limit plate (31) in the area of ​​the guide plate (51).

6. A varistor welding system based on a precise positioning welding structure according to claim 5, characterized in that: A rotating shaft is provided in the middle of one end of the guide plate (51), and the rotating shaft is rotatably connected to one end of the side plate (35). The inclination angle of the guide plate (51) is determined by the telescopic length of the second connecting rod (53).

7. The varistor welding system based on the precise positioning welding structure according to claim 1, characterized in that: The lower surface of the positioning column (625) is arranged in an arc shape, and a telescopic spring is arranged on a side of the positioning column (625) close to the positioning plate (623).

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