CN-116533440-B - Automatic continuous injection mold structure for sensor packaging shell and use method of automatic continuous injection mold structure

CN116533440BCN 116533440 BCN116533440 BCN 116533440BCN-116533440-B

Abstract

The invention provides an automatic continuous injection mold structure of a sensor packaging shell, which comprises a metal material belt and an injection mold, wherein the metal material belt comprises a chain belt, a plurality of metal inserts are arranged on the chain belt, the metal inserts are arranged at intervals along the length direction of the chain belt, the injection mold comprises a mold rear mold, a plurality of mold cavities for embedding the metal inserts are arranged on the mold rear mold, an ejection mechanism for driving injection finished products to separate from the mold cavities is further arranged on the mold rear mold, a first conveying device, a push plate and a second conveying device are sequentially arranged on the ejection mechanism along the conveying direction of the metal material belt, a first guide groove for the metal material belt to pass through is arranged on each of the first conveying device and the conveying device, a second guide groove for the metal material belt to pass through is arranged on the push plate and is perpendicular to the conveying direction of the metal material belt, and the mold cavities are distributed on two sides of the push plate. The invention also provides a use method of the automatic continuous injection mold structure of the sensor packaging shell.

Inventors

ZHANG WENBING
MA WEIWEI
WEI WENBIAO
GONG FENGYUAN
DU TIAN
XU KANG

Assignees

孝感华工高理电子有限公司

Dates

Publication Date: 20260505
Application Date: 20230404

Claims (8)

1. The automatic continuous injection mold structure for the sensor packaging shell is characterized by comprising a metal material belt and an injection mold, wherein the metal material belt comprises a chain belt, a plurality of metal inserts are arranged on the chain belt at intervals along the length direction of the chain belt, the injection mold comprises a mold rear mold, a plurality of mold cavities for embedding the metal inserts are formed in the mold rear mold, an ejection mechanism for driving injection finished products to be separated from the mold cavities is further arranged on the mold rear mold, a first conveying device, a push plate for secondary ejection and a second conveying device are sequentially arranged on the ejection mechanism along the conveying direction of the metal material belt, a first guide groove for allowing the metal material belt to pass is formed in each of the first conveying device and the second conveying device, a second guide groove for allowing the metal material belt to pass is formed in each push plate, the mold cavities are distributed on two sides of the push plate, the push plate comprises an upper cover plate and a base, a second guide groove is formed between the upper cover plate and the base, a plurality of positioning pins for being matched with the gears of the conveying device and the mold rear mold are arranged on the chain belt, and the positioning pins are correspondingly arranged in the mold insert positioning pins of the mold along the length direction of the mold positioning holes, and the positioning pins can be correspondingly arranged in the insert pin positioning holes of the mold positioning pins.
2. The automatic continuous injection mold structure of the sensor package shell of claim 1, wherein the first conveying device is a first ratchet wheel material pulling machine, the second conveying device is a second ratchet wheel material pulling machine, gears for driving a metal material belt to move forwards are arranged in the first ratchet wheel material pulling machine and the second ratchet wheel material pulling machine, a plurality of positioning holes capable of being meshed with the gears are formed in the metal material belt, the positioning holes are arranged at intervals along the length direction of a chain belt, and the positioning holes correspond to the metal inserts one by one.
3. The automatic continuous injection mold structure of the sensor package shell of claim 2, wherein the first ratchet material pulling machine and the second ratchet material pulling machine comprise a first cover plate and a machine body, a first guide groove is arranged between the first cover plate and the machine body, a gear transmission shaft is arranged on the machine body, and the metal material belt is meshed with the gear in the first guide groove.
4. The automated continuous injection mold structure of claim 1, wherein the ejector mechanism comprises a pin for ejecting the metal insert out of the mold cavity, the pin being disposed directly below the mold cavity and being capable of extending upward into the mold cavity.
5. The automatic continuous injection mold structure of sensor package of claim 4, wherein each mold cavity corresponds to a plurality of ejector pins, and the ejector pins are distributed at intervals along the length direction of the mold cavity.
6. The automatic continuous injection mold structure of the sensor package of claim 1, wherein the top of the positioning insert is provided with a guiding taper.
7. The automatic continuous injection mold structure of sensor package of claim 1, further comprising an inner film, wherein the inner film is provided with a plurality of holes corresponding to the mold cavities, the holes are in one-to-one correspondence with the mold cavities, and the holes and the mold cavities enclose a mold cavity for injection molding.
8. A method of using the automatic continuous injection mold structure for sensor packages according to any of claims 1-7, comprising the steps of: During injection molding production, a metal material belt advances one step distance in a guide groove under the action of a first ratchet wheel material pulling machine and a second ratchet wheel material pulling machine, after mold closing, an ejection mechanism resets to drive a metal insert on the metal material belt to be embedded into a corresponding mold cavity, and a positioning hole on a metal material belt chain is just embedded into a positioning insert pin to start injection molding; after injection molding is finished, the metal insert is ejected upwards by a distance by the ejector pin and the push plate together, the ejector pin stops moving, and the push plate continuously ejects the metal insert upwards by a distance; The metal material belt advances one step distance again under the action of the first ratchet wheel material pulling machine and the second ratchet wheel material pulling machine, the metal insert to be molded is pulled out of the second guide groove of the push plate, and meanwhile the metal insert to be molded is pulled into the second guide groove of the push plate to be molded for the next time.

Description

Automatic continuous injection mold structure for sensor packaging shell and use method of automatic continuous injection mold structure Technical Field The invention relates to the field of injection mold production, in particular to an automatic continuous injection mold structure of a sensor packaging shell and a use method thereof. Background The injection molding part with the metal insert is more and more widely applied to various products at present, wherein the injection molding packaging shell with the metal mounting sheet structure is widely applied to temperature sensor products, the packaging shell with the structure effectively improves the insulation voltage resistance level of the products, and meanwhile, the installation is more convenient and efficient. The injection molding packaging shell with the metal inserts is usually produced by adopting a conventional bulk injection mold, the metal inserts are required to be manually placed into corresponding acupuncture points of the mold one by one, the production efficiency is low, and potential safety hazards exist. Disclosure of Invention The invention aims to overcome the defects of the prior art, provides an automatic continuous injection mold structure of a sensor packaging shell and a use method thereof, and at least solves part of the problems in the prior art. The invention is realized in the following way: The invention provides an automatic continuous injection mold structure of a sensor packaging shell, which comprises a metal material belt and an injection mold, wherein the metal material belt comprises a chain belt, a plurality of metal inserts are arranged on the chain belt, the metal inserts are arranged at intervals along the length direction of the chain belt, the injection mold comprises a mold rear mold, a plurality of mold cavities for embedding the metal inserts are arranged on the mold rear mold, an ejection mechanism for driving injection finished products to separate from the mold cavities is further arranged on the mold rear mold, a first conveying device, a push plate and a second conveying device are sequentially arranged on the ejection mechanism along the conveying direction of the metal material belt, a first guide groove for the metal material belt to pass through is arranged on each of the first conveying device and the conveying device, a second guide groove for the metal material belt to pass through is arranged on the push plate and is perpendicular to the conveying direction of the metal material belt, and the mold cavities are distributed on two sides of the push plate. Further, the push plate comprises an upper cover plate and a base, and a second guide groove is arranged between the upper cover plate and the base. Further, the first conveying device is a first ratchet wheel material pulling machine, the second conveying device is a second ratchet wheel material pulling machine, gears for driving the metal material belt to move forward are arranged in the first ratchet wheel material pulling machine and the second ratchet wheel material pulling machine, a plurality of positioning holes capable of being meshed with the gears are formed in the metal material belt, the positioning holes are arranged at intervals along the length direction of the chain belt, and the positioning holes correspond to the metal inserts one by one. Further, the first ratchet draws the material machine with the second ratchet draws the material machine all to include first apron and fuselage, first apron with be equipped with first guide slot between the fuselage, install the gear drive axle on the fuselage, the metal material area is in first guide slot and gear engagement. Further, the ejection mechanism comprises a thimble for ejecting the metal insert out of the mold cavity, and the thimble is arranged right below the mold cavity and can extend into the mold cavity upwards. Further, each mold cavity corresponds to a plurality of ejector pins, and the ejector pins are distributed at intervals along the length direction of the mold cavity. Further, the automatic continuous injection mold structure of the sensor packaging shell further comprises a plurality of positioning insert pins which can extend into the positioning holes and are used for positioning the metal material strips, the positioning insert pins are arranged in the mold core of the mold rear mold, and the positioning insert pins are in one-to-one correspondence with the mold cavities. Further, a guiding taper is arranged at the top of the positioning insert pin. Further, the automatic continuous injection mold structure of the sensor packaging shell further comprises an inner film, a plurality of holes corresponding to the mold cavities are formed in the inner film, the holes correspond to the mold cavities one by one, and the holes and the mold cavities enclose a mold cavity for injection molding. The invention also provides a use method of the automatic continuous inje