TWI415731B - Tool and method for taking out module core - Google Patents

Abstract

A tool for taking out a module core includes a connecting member and a supporting base. The connecting member includes a body and a resisting portion. A portion of the body defines some screws used for meshing with the module core. The supporting base includes a board defining a hole thereon. The connecting member passes through the hole and against to a surface of the supporting base by one end thereof. The middle portion of the connecting member defines multi-storey wedge-shaped gapes spaced from each other.

Description

Mould top jacker and jacking method thereof

The invention relates to a jacking device, in particular to a mould jacking device and a lifting method thereof.

Molding is widely used in the molding process, especially in the manufacturing of optical lens processes, such as aspherical optical lenses, light guides, prisms, etc. Direct die-molding technology can directly produce high-quality optical lenses. Products (see "Quartz Glass Molding by Precision Glass Molding Method", Trans.IEE Jpn., pp. 494-497, 2002), and without subsequent processing steps such as sanding, polishing, etc., can greatly improve production efficiency and yield.

The mold of the molded mold has high precision and high cost. After the optical component is molded in the mold, the formed optical component needs to be taken out from the mold. The conventional method is to lift the mold core from the cavity of the mold base, project the molded optical component out of the mold cavity of the mold base, and then take out the optical component. However, if the operation step is improperly applied, it is easy to cause a difference between the mold core and the cavity, causing the mold to be stuck in the cavity and damaging the mold.

Therefore, it is necessary to provide a mold top jack which can avoid the problem that the mold core and the cavity are not concentric when the mold core is jacked up, and the mold core is stuck in the cavity problem and the jacking method thereof.

A mold ejector for lifting a mold of a mold. The mold riser includes: a connecting device and a carrier. The connecting device comprises a body and a pressing portion. The body is threaded away from one end of the pressing portion for screwing with the mold core. The carrier includes a platform, and a through hole is defined, and the connecting device is disposed through the through hole. The center of the body of the connecting device is provided with a plurality of wedge-shaped notches surrounding the body, and the plurality of wedge-shaped notches are spaced apart from each other.

A method for jacking up a mold of a mold, comprising the steps of: providing a mold jacker comprising a connecting device and a carrier, the connecting device comprising a body and a pressing portion, the body being away from the pressing portion One end is provided with a thread for screwing with the screw hole of the mold core, and a center of the body of the connecting device is provided with a plurality of wedge-shaped notches surrounding the body, and the plurality of wedge-shaped notches are spaced apart from each other, and the carrier is spaced apart from each other. The utility model comprises a platform, wherein a through hole is formed in the platform; the carrier is placed on the partition between the molds, the platform of the carrier spans the guiding hole of the partition plate, and the through hole of the carrier is aligned with the threaded hole of the mold; a connecting device, the external thread of the connecting device is screwed into the threaded hole at the bottom of the mold core, the multi-layered wedge-shaped notch is received in the guiding hole of the partitioning plate; the mold core is jacked up, that is, by pressing the connecting device, the mold core moves upwards The forming portion of the mold core protrudes from the cavity.

Compared with the prior art, the connecting device has a wedge-shaped notch on the body, so that there is a certain fine-tuning space between the connecting device and the guiding hole of the spacer. When the mold core and the cavity are not concentric, causing the mold to be stuck in the cavity, the connection device can be finely adjusted in the guide hole, so that the mold core and the cavity are concentric. At the same time, due to the setting of the wedge The gap of the shape can reduce the surface contact area between the body of the connecting device and the side wall of the guiding hole, so that the guiding device and the guiding hole of the spacing plate can be further improved when the mold top jack lifts the mold core The concentricity between them improves the concentricity between the mold core and the mold cavity, and avoids the mold core being stuck in the mold cavity when the mold top jacker lifts the mold core, causing the mold core to be stuck in the mold. The problem of damage to the mold core.

100‧‧‧Molden jacks

10‧‧‧ Carrier

20‧‧‧Connecting device

11‧‧‧ platform

13‧‧‧ feet

12‧‧‧through hole

21‧‧‧ body

22‧‧‧Resistance Department

212‧‧‧ external thread

214‧‧‧ gap

200‧‧‧Mold

50‧‧‧The mold base

30‧‧‧Men

40‧‧‧ Spacer

52‧‧‧ cavity

522‧‧‧First storage trough

524‧‧‧Second holding trough

32‧‧‧ bottom

31‧‧‧ top

322‧‧‧Threaded holes

312‧‧‧Forming Department

42‧‧‧ Guide hole

1 is a cross-sectional view of a mold top riser of the present invention; FIG. 2 is a view showing a state of use of the mold top riser of the present invention; and FIG. 3 is a flow chart of a method for jacking up a mold core using the mold top riser of the present invention; Figure 4 is a schematic cross-sectional view showing the mold core of Figure 2 when it is jacked up.

The technical solution will be further described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1 , the mold ejector 100 includes a carrier 10 and a connecting device 20 .

The carrier 10 includes a platform 11 and two legs 13. The platform 11 is a rectangular flat plate. The two legs 13 are respectively symmetrically disposed on the outer edge of the platform 11, and are respectively formed by extending upward from both sides of the platform 11 to support the platform 11. A through hole 12 is defined in the center of the platform 11.

In the embodiment, the connecting device 20 is a screw, and includes a body 21 and a pressing portion 22 . The body 21 is provided with an external thread 212 away from one end of the pressing portion 22 . A plurality of wedge-shaped notches 214 surrounding the body 21 are provided at the center of the body 21, and the plurality of wedge-shaped notches 214 are evenly spaced from each other. The body 21 of the connecting device 20 can pass through the through hole 12 in the center of the platform 11, and the width of the pressing portion 22 of the connecting device 20 is greater than The diameter of the hole 12 can be abutted against the platform 11.

Referring to FIG. 2, the mold 200 includes a mold base 50, a mold core 30 and a partition plate 40. The mold base 50 is formed with a cavity 52 extending through the mold base 50. The cavity 52 is a stepped structure, and includes a first receiving groove 522 and a second receiving groove 524. The diameter of the first receiving groove 522 is larger than the diameter of the second receiving groove 524. The structure of the cavity 52 corresponds to the structure of the mold core 30. The mold core 30 includes a cylindrical bottom portion 32 and a top portion 31 opposite to the bottom portion 32. The bottom portion 32 is received in the first receiving groove 522. The top portion 31 is received in the second receiving groove 524. A threaded hole 322 is formed in the center of the bottom portion 32 to engage the external thread 212 of the connecting device 20. The top portion 31 of the mold core 30 is formed with a forming portion 312 having a shape corresponding to the shape of the optical lens article to be molded. The length of the spacer 40 is greater than the diameter of the first receiving slot 522. The spacer 40 is fixed to the bottom end of the die holder 50 and seals the first receiving slot 522. The spacer plate 40 defines a guiding hole 42 corresponding to the screw hole 322 of the bottom portion 32 of the mold core 30, and the guiding hole 42 faces the through hole 12 of the platform 11. The wedge-shaped notch 214 is received in the guiding hole 42. The distance between the two legs 13 is less than the length of the spacer 40, and the platform 11 can span the guiding hole 42. The sum of the heights of the threaded holes 322, the guide holes 42 and the carrier 10 is smaller than the length of the body 21 of the connecting device 20.

The body 21 of the connecting device 20 is provided with a wedge-shaped notch 214. Therefore, there is a certain fine-tunable space between the connecting device 20 and the guiding hole 42 of the partitioning plate 40. When the mold core 30 and the cavity 52 are not concentric, causing the mold core 30 to be stuck in the cavity 52, the connection device 20 can be finely adjusted in the guide hole 42 so that the mold core 30 and the cavity 52 are concentric. . At the same time, since the wedge-shaped notch 214 is provided, the surface contact area between the body 21 of the connecting device 20 and the side wall of the guiding hole 42 can be reduced, so that the mold top jacker is When the mold core 30 is lifted up by 100, the concentricity between the connecting device 20 and the guiding hole 42 of the partitioning plate 40 can be further improved, thereby improving the concentricity between the mold core 30 and the cavity 52, thereby avoiding When the mold top jack 100 lifts the mold core 30, the mold core 30 is stuck in the mold cavity 52, causing the mold core 30 to be stuck in the mold cavity 52 to damage the mold core 30.

During the molding process, the forming portion 312 of the mold core 30 is received in the second receiving groove 524 of the cavity 52. After the molding is completed, the mold core 30 is lifted from the cavity 52 so that the product in the forming portion 312 protrudes from the second receiving groove 524. Please refer to FIG. 3, which is a flow chart of a method for jacking up a mold core using the mold jacker 100 of the present invention. The method includes the following steps: S101: providing a mold core riser 100 including a connecting device 20 and a carrier The connecting device 20 includes a body 21 and a pressing portion 22. The body 21 is threaded away from one end of the pressing portion 22 for screwing with the screw hole 322 of the mold core 30. The connecting device 20 The center of the body 21 is provided with a plurality of wedge-shaped notches 214 surrounding the body 21, the plurality of wedge-shaped notches 214 are spaced apart from each other, the carrier 10 includes a platform 11, and a through hole 12 is defined in the platform 11; S102: the carrier 10 is placed on the partition plate 40 between the mold 200, the platform 11 of the carrier 10 spans the guide hole 42 of the partition plate 40, and the through hole 12 of the carrier 10 is aligned with the threaded hole 322 of the mold core 30; S103: screwing into the connecting device 20, the external thread 212 of the connecting device 20 is screwed into the threaded hole 322 of the bottom portion 32 of the mold core 30, and the multi-layered wedge-shaped notch 214 is received in the guiding hole 42 of the partitioning plate 40; S104: jacking up The mold core 30, as shown in Fig. 4, is by pressing the connecting device 20, the mold core 30 direction The upper movement causes the forming portion 312 of the mold core 30 to protrude from the cavity 52.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100‧‧‧Molden jacks

10‧‧‧ Carrier

20‧‧‧Connecting device

11‧‧‧ platform

13‧‧‧ feet

12‧‧‧through hole

21‧‧‧ body

22‧‧‧Resistance Department

212‧‧‧ external thread

214‧‧‧ gap

Claims (4)

A mold ejector for lifting a mold of a mold, the mold ejector comprising: a connecting device and a carrier, the connecting device comprising a body and a pressing portion, the body is away from the pressing One end of the portion is provided with a thread for screwing with the mold core. The carrier includes a platform, and a through hole is formed. The connecting device is disposed through the through hole, and the improvement is: the body of the connecting device The center is provided with a plurality of wedge-shaped notches surrounding the body, and the plurality of wedge-shaped notches are spaced apart from each other. The mold riser according to claim 1, wherein the pressing portion has a width larger than a diameter of the through hole. The mold core jacking device according to claim 1, wherein the carrier further comprises two legs, the two legs are symmetrically disposed on the outer edge of the platform, respectively, from the sides of the platform upward Extended formation. A method for jacking up a mold of a mold, comprising the steps of: providing a mold jacker comprising a connecting device and a carrier, the connecting device comprising a body and a pressing portion, the body being away from the pressing One end of the connecting portion is provided with a thread for screwing with the screw hole of the mold core, and a center of the body of the connecting device is provided with a plurality of wedge-shaped notches surrounding the body, and the plurality of wedge-shaped notches are spaced apart from each other, and the bearing is disposed at intervals The rack comprises a platform, the platform is provided with a through hole; the carrier is placed on the partition between the molds, the platform of the carrier spans the guiding hole of the partition plate, and the through hole of the carrier is aligned with the threaded hole of the mold; Into the connecting device, the external thread of the connecting device is screwed into the threaded hole at the bottom of the mold core, and the plurality of wedge-shaped notches are received in the guiding holes of the partitioning plate; The mold core is jacked up, that is, by pressing the connecting device, the mold core moves upward to cause the forming portion of the mold core to protrude from the mold cavity.