IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0973932
(2010-12-21)
|
등록번호 |
US-8449286
(2013-05-28)
|
우선권정보 |
TW-99132188 (2010-09-23) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Hon Hai Precision Industry Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
10 |
초록
▼
An injection molding machine includes a moving platen. The moving platen includes a fixed support and an ejector assembly. The fixed support includes a first and a second adjustment motors, and a first and a second adjustment shafts. The first and second adjustment motors are connected to the first
An injection molding machine includes a moving platen. The moving platen includes a fixed support and an ejector assembly. The fixed support includes a first and a second adjustment motors, and a first and a second adjustment shafts. The first and second adjustment motors are connected to the first and second adjustment shafts respectively. The ejector assembly includes two guide shells, two drive shafts, two ejector pins, and two guide protrusions. Each guide shell is positioned in the fixed support and receives one drive shaft and one ejector pin. Each drive shaft engages with a corresponding ejector pin and is capable of driving the corresponding ejector pin to move back and forth in the guide shell. Each guide protrusion extends outwards from a corresponding guide shell. Each of the first and second adjustment shafts engages with a corresponding guide protrusion and is capable of moving the corresponding guide protrusion.
대표청구항
▼
1. An injection molding machine comprising a moving platen, the moving platen comprising: a fixed support defining an opening in one surface thereof and comprising a first adjustment motor, a second adjustment motor, a first adjustment shaft, and a second adjustment shaft, the first and second adjus
1. An injection molding machine comprising a moving platen, the moving platen comprising: a fixed support defining an opening in one surface thereof and comprising a first adjustment motor, a second adjustment motor, a first adjustment shaft, and a second adjustment shaft, the first and second adjustment motors opposite to each other, the first adjustment motor connected to the first adjustment shaft, the second adjustment motor connected to the second adjustment shaft; andan ejector assembly comprising two guide shells, two drive shafts, two ejector pins, and two guide protrusions, each guide shell positioned in the fixed support and receiving a corresponding drive shaft and a corresponding ejector pin, each drive shaft passing through the opening, engaging with a corresponding ejector pin and capable of driving the corresponding ejector pin to move back and forth in the guide shell, each guide protrusion extending outwards from a corresponding guide shell, each of the first and second adjustment shafts engaging with a corresponding guide protrusion and capable of driving the corresponding guide protrusion to move along the opening. 2. The injection molding machine of claim 1, further comprising a fixed platen, the fixed platen and the moving platen configured to cooperatively position molds, the fixed platen comprising two nozzles for filling molten materials in the molds. 3. The injection molding machine of claim 1, wherein the moving platen comprises a drive apparatus, the drive apparatus comprises a motor and a position adjustment unit, and the position adjustment unit is configured for supporting the motor and adjusting a position of the motor according to the positions of the two ejector pins. 4. The injection molding machine of claim 3, wherein the ejector assembly further comprises two first pulleys, the motor of the drive apparatus comprises a second pulley and a drive rod, the first pulleys are mounted on the drive shafts respectively, the drive rod is connected to the motor, the second pulley is mounted on the drive rod, and the first and second pulleys are connected to each other through a belt. 5. The injection molding machine of claim 4, wherein each ejector pin has a plurality of internal screw threads, one end of each drive shaft extends out of the fixed support through the opening and is connected to a corresponding first pulley, the other end of each drive shaft has a plurality of external screw threads engaging with the internal screw threads of a corresponding ejector pin, and the drive shaft is capable of being rotated by the motor to drive the corresponding ejector pin to move back and forth. 6. The injection molding machine of claim 5, wherein the drive apparatus defines a hole therein, and the drive rod passes through the hole. 7. The injection molding machine of claim 3, wherein the position adjustment unit is a spring. 8. The injection molding machine of claim 1, wherein the opening is strip-shaped. 9. The injection molding machine of claim 8, wherein each of the guide protrusions has a plurality of internal screw threads, each of the first and second adjustment shafts has a plurality of external screw threads engaging with the internal screw threads of a corresponding guide protrusion, and each of the first and second adjustment shafts is capable of being rotated to drive the corresponding guide protrusion to move along the opening. 10. A moving platen for an injection molding machine, comprising: a fixed support defining an opening in one surface thereof and comprising a first adjustment motor, a second adjustment motor, a first adjustment shaft, and a second adjustment shaft, the first and second adjustment motors opposite to each other, the first adjustment motor connected to the first adjustment shaft, the second adjustment motor connected to the second adjustment shaft;a drive apparatus; andan ejector assembly positioned in the fixed support, the ejector assembly comprising two guide shells, two drive shafts, two ejector pins and two guide protrusions, each guide shell receiving a corresponding drive shaft and a corresponding ejector pin, the drive shafts passing through the opening and engaging with the ejector pins correspondingly, each of the drive shafts capable of being driven by the drive apparatus to move a corresponding ejector pin back and forth, each guide protrusion extending outwards from a corresponding guide shell, each of the first and second adjustment shafts engaging with a corresponding guide protrusion and driving the corresponding guide protrusion to move along the opening. 11. The moving platen of claim 10, wherein each ejector pin has a plurality of internal screw threads, one end of each drive shaft extends out of the fixed support through the opening, the other end of each drive shaft has a plurality of external screw threads engaging with the internal screw threads of a corresponding ejector pin, and the drive shaft is capable of being rotated by the drive apparatus to drive the corresponding ejector pin to move back and forth. 12. The moving platen of claim 11, wherein the ejector assembly further comprises two first pulleys, the drive apparatus comprises a motor, the motor comprises a second pulley and a drive rod, the first pulleys are mounted on the drive shafts respectively, the drive rod is connected to the motor, the second pulley is mounted on the drive rod, and the first and second pulleys are connected to each other through a belt. 13. The moving platen of claim 10, wherein the drive apparatus comprises a motor and a position adjustment unit, and the position adjustment unit supports the motor and adjusts a position of the motor according to the positions of the two ejector pins. 14. A moving platen for an injection molding machine, comprising: a fixed support defining an opening in one surface thereof;a drive apparatus; andan ejector assembly positioned in the fixed support, the ejector assembly comprising two ejector pins and two drive shafts, the drive shafts passing through the opening and engaging with the ejector pins respectively, and each of the drive shafts driven by the drive apparatus to move a corresponding ejector pin back and forth;wherein a distance between the two ejector pins is adjustable by moving one or both of the two drive shafts along the opening. 15. The moving platen of claim 14, wherein the fixed support comprises two adjustment shafts, with axis directions of the two adjustment shafts parallel with each other, the ejector assembly further comprises two guide shells and two guide protrusions, with axis directions of the two drive shafts parallel with each other, and the axis directions of the two drive shafts orthogonal to the axis directions of the two adjustment shafts, each guide shell receives a corresponding drive shaft and a corresponding ejector pin, each guide protrusion extends outwards from a corresponding guide shell, and each adjustment shaft engages with a corresponding guide protrusion; and each drive shaft moves along the opening when a corresponding adjustment shaft is operated to make a corresponding guide shell move towards the other guide shell, such that the distance between the two ejector pins is adjusted. 16. The moving platen of claim 15, wherein the fixed support further comprises two motors connected to the two adjustment shafts respectively, and the two motor drives are configured to operate the two adjustment shafts. 17. The moving platen of claim 16, wherein the drive apparatus comprises a motor and a position adjustment unit, and the position adjustment unit supports the motor and adjusts a position of the motor according to the distance between the two ejector pins. 18. The moving platen of claim 17, wherein the ejector assembly further comprises two first pulleys, the motor of the drive apparatus comprises a second pulley and a drive rod, the first pulleys are mounted on the drive shafts respectively, the drive rod is connected to the motor, the second pulley is mounted on the drive rod, and the first and second pulleys are connected to each other through a belt. 19. The moving platen of claim 17, wherein the position adjustment unit comprises a spring configured to support the motor of the drive apparatus and adjust a position of the motor of the drive apparatus according to the distance between the two ejector pins.
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