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CN-224224370-U - Terminal forming anti-exposure mechanism

CN224224370UCN 224224370 UCN224224370 UCN 224224370UCN-224224370-U

Abstract

The utility model relates to a terminal forming anti-exposure mechanism which comprises a female die, a male die and a male die, wherein the female die comprises a female die plate, a female die core and a female die ejector plate which are arranged on the female die plate, and a driving piece for pushing the female die ejector plate to move, the female die core is provided with a female die forming cavity which is formed by inwards sinking from the surface, the female die ejector plate is provided with a plurality of insert pins, the insert pins penetrate through the female die core and enter or withdraw from the female die forming cavity, the male die comprises a male die plate and a male die core which is arranged on the male die plate, the male die core is provided with a male die forming cavity which is formed by inwards sinking from the surface, and the male die forming cavity and the female die forming cavity are oppositely arranged. The terminal is fixed at a preset position by the aid of the driving piece in the injection molding process, after the terminal is completely wrapped by plastic, the insert pin is pushed by the driving piece and is separated from the terminal, and then Kong Tianping of the insert pin is pulled out by injection molding pressure maintaining, so that bad products caused by floating and leakage of the terminal are avoided.

Inventors

  • LAI CAILIANG
  • PAN YANG
  • ZHANG ZHITAO

Assignees

  • 苏州泰迅通电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (9)

  1. 1. A terminal molding anti-exposure mechanism, comprising: The female die (1) comprises a female die plate (13), a female die core (14) and a female die ejector plate (110) which are arranged on the female die plate (13), and a driving piece (19) for pushing the female die ejector plate (110) to move, wherein the female die core (14) is provided with a female die forming cavity (141) formed by inwards sinking from the surface, the female die ejector plate (110) is provided with a plurality of insert pins (111), and the insert pins (111) penetrate through the female die core (14) and enter or exit from the female die forming cavity (141); The male die (2) comprises a male die plate (23) and a male die core (24) arranged on the male die plate (23), wherein the male die core (24) is provided with a male die forming cavity (241) formed by inwards sinking from the surface, and the male die forming cavity (241) and the female die forming cavity (141) are oppositely arranged.
  2. 2. The terminal molding and exposure-preventing mechanism according to claim 1, wherein the female mold ejector plate (110) has a groove (1102) formed by recessing inwards from the upper surface, an insert pin (111) is provided in the groove (1102), the insert pin (111) penetrates through the female mold ejector plate (110) and the female mold plate (13) and the female mold core (14) from the bottom surface of the groove (1102), and the tip extends into the female mold molding cavity (141).
  3. 3. The terminal molding anti-exposure mechanism according to claim 2, wherein a limiting member (1103) is installed in the groove (1102), the limiting member (1103) covers the insert pin (111), and the limiting member (1103) and the female mold ejector plate (110) are penetrated by a bolt or a screw.
  4. 4. The terminal molding anti-exposure mechanism according to claim 1, wherein the top of the insert pin (111) is protruded outward to form a stopper portion (112), and the diameter of the stopper portion (112) is larger than the diameter of the insert pin (111).
  5. 5. The terminal molding anti-exposure mechanism according to claim 1, wherein the female die plate (13) has a mounting groove (131) formed by recessing inward from the upper surface, the female die ejector plate (110) is provided in the mounting groove (131), and the depth of the mounting groove (131) is larger than the height of the female die ejector plate (110).
  6. 6. The terminal molding anti-exposure mechanism according to claim 1, wherein the female ejector plate (110) is recessed inward from the side surface to form an i-shaped groove (1101), the driving member (19) has a driving shaft (191), a fixing ring (192) is sleeved at the end of the driving shaft (191), and the fixing ring (192) extends into the i-shaped groove (1101) from the side surface of the female ejector plate (110).
  7. 7. The terminal molding exposure-preventing mechanism according to claim 5, wherein the female mold (1) comprises a heat flow plate (12), the heat flow plate (12) has a receiving groove (121) formed by recessing inwards from a side surface, a driving member (19) is fixedly installed in the receiving groove (121), and the receiving groove (121) is communicated with the installation groove (131).
  8. 8. The terminal forming and exposure-preventing mechanism according to claim 1, wherein the male die (2) further comprises an ejection assembly (25), the ejection assembly (25) comprises a thimble (251) and a fixing plate (252) fixedly connected with the thimble (251), the bottom of the thimble (251) is fixedly connected with the fixing plate (252), and the top of the thimble penetrates through the male die plate (23) and the male die core (24) and stretches into the male die forming cavity (241).
  9. 9. The terminal forming and anti-exposure mechanism according to claim 1, wherein a side core pulling portion (3) is mounted on the outer side of the male die (2), the side core pulling portion (3) comprises a sliding block (31) and a die core (32) fixedly connected with the sliding block (31), and the die core (32) is driven to extend into or withdraw from the male die forming cavity (241) by pushing the sliding block (31).

Description

Terminal forming anti-exposure mechanism Technical Field Relates to the technical field of dies, in particular to a terminal forming anti-exposure mechanism. Background In the manufacturing process of modern electronic products, the injection molding process is widely applied to integrate and package the metal terminals and the plastic shell so as to meet the requirements of electric connection, mechanical fixation, sealing protection and the like. However, for application scenarios with high sealing requirements (such as automotive electronics, medical equipment or outdoor waterproof products), the positioning stability of the terminals during injection molding is particularly critical. According to chinese patent CN210389932U, an injection mold for a binding post is disclosed, in the mold, a first pushing mechanism pushes a first slider, a second pushing mechanism pushes a second slider, so that the first slider and the second slider are simultaneously close to a rear mold core, before the first slider and the second slider are combined together, a positioning needle provided on the first pushing mechanism starts to pass through a binding hole of a head of the binding post, when the first slider and the second slider are completely folded and form a cavity with the rear mold core, the positioning needle completely passes through the binding hole to position the binding post, and the position of the binding post is fixed, but when the binding post is mostly wrapped by plastic and has no hole for positioning, the structure is difficult to effectively position the binding post, and the binding post is deviated in the plastic. Accordingly, there is a need to develop a terminal molding anti-exposure mechanism to solve the above-described problems. Disclosure of utility model The utility model aims to provide a terminal forming anti-exposure mechanism for avoiding terminal displacement, In order to achieve the above purpose, the utility model provides a terminal forming anti-exposure mechanism, comprising: The female die comprises a female die template, a female die core and a female die ejector plate which are arranged on the female die template, and a driving piece for pushing the female die ejector plate to move, wherein the female die core is provided with a female die forming cavity formed by inwards sinking from the surface, the female die ejector plate is provided with a plurality of insert pins, and the insert pins penetrate through the female die core and enter or exit the female die forming cavity; The male die comprises a male die plate and a male die core arranged on the male die plate, wherein the male die core is provided with a male die forming cavity formed by inwards sinking from the surface, and the male die forming cavity and the female die forming cavity are oppositely arranged. Further, the female mold ejector plate is provided with a groove formed by inwards sinking from the upper surface, an insert pin is arranged in the groove, the insert pin penetrates through the female mold ejector plate, the female mold plate and the female mold core from the bottom surface of the groove, and the tail end of the insert pin stretches into the female mold forming cavity. Further, a limiting piece is arranged in the groove, the limiting piece covers the insert pin, and the limiting piece and the female die ejector plate are penetrated through by bolts or screws. Further, the top of the insert is outwards protruded to form a stop part, and the diameter of the stop part is larger than that of the insert. Further, the female die plate is provided with a mounting groove formed by inwards sinking from the upper surface, a female die ejector plate is arranged in the mounting groove, and the depth of the mounting groove is larger than the height of the female die ejector plate. Further, the female mold ejector plate is inwards recessed from the side face to form an I-shaped groove, the driving piece is provided with a driving shaft, the tail end of the driving shaft is sleeved with a fixing ring, and the fixing ring extends into the I-shaped groove from the side face of the female mold ejector plate. Further, the female die comprises a heat flow plate, the heat flow plate is provided with a storage groove formed by inwards sinking from the side surface, a driving piece is fixedly installed in the storage groove, and the storage groove is communicated with the installation groove. Further, the male die further comprises an ejection assembly, the ejection assembly comprises a thimble and a fixing plate fixedly connected with the thimble, the bottom of the thimble is fixedly connected with the fixing plate, and the top of the thimble penetrates through the male die plate and the male die core and stretches into the male die forming cavity. Further, a side core drawing part is arranged on the outer side of the male die, the side core drawing part comprises a sliding block and a die core fixedly connected with the