CN215359648U

CN215359648U - Forming die of high temperature resistant optical lens base

Info

Publication number: CN215359648U
Application number: CN202121798230.9U
Authority: CN
Inventors: 柳恒生; 王云山; 冉马超; 朱士松
Original assignee: Nanyang Yongtai Photoelectric Co ltd
Current assignee: Nanyang Yongtai Photoelectric Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-31
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a forming die of a high-temperature-resistant optical lens base, which comprises an upper die and a lower die, wherein two edges of the bottom surface of the lower die are connected with a pillar; the bottom surface of going up the mould is connected with the upper plate, and the upper plate processing has last die cavity, still is connected with the cutting off subassembly that the card goes into the die cavity on the upper plate. This forming die of high temperature resistant optical lens base, before moulding plastics, promote the section and let the through-hole, go up die cavity and the state that the hole of moulding plastics is in the intercommunication, after the completion of moulding plastics, remove the section and utilize the blade of through-hole to cut off the injection molding material between die cavity and the hole of moulding plastics, take away the downthehole material of moulding plastics through the negative pressure, can cut off the material when moulding plastics, avoid the material to block up the hole of moulding plastics, the ejector pin rises through the cylinder rod drive of cylinder, the optical lens base ejecting lower die cavity after will cooling, reduce the technology step.

Description

Forming die of high temperature resistant optical lens base

Technical Field

The utility model relates to the technical field of forming dies, in particular to a forming die of a high-temperature-resistant optical lens base.

Background

The existing optical lens is mostly used in monitoring or shooting places except for good operation environment under individual scenes, many optical lenses are operated under high-temperature environment, the lens is required not to deform under the high-temperature environment, water resistance and clear imaging can still be guaranteed, a product is formed by injection molding of high-temperature-resistant fiber materials, the fiber materials are remained in injection molding holes with separated gates after injection molding, and the production cost is increased by later-stage cleaning.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forming die of a high-temperature-resistant optical lens base, which has the advantages that when a moving slice is cut off by using a cutting edge of a through hole, an injection molding material between an upper die cavity and an injection molding hole is cut off, the material in the injection molding hole is drawn away by negative pressure, the material can be cut off during injection molding, the injection molding hole is prevented from being blocked by the material, an ejector rod is driven by a cylinder rod of an air cylinder to ascend, the cooled optical lens base is ejected out of a lower die cavity, the process steps are reduced, and the problems in the prior art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a forming die of a high-temperature-resistant optical lens base comprises an upper die and a lower die, wherein two edges of the bottom surface of the lower die are connected with a supporting column, a lower plate is fixed on the top surface of the lower die, a lower die cavity is processed on the top surface of the lower plate, and an ejection assembly is connected in the lower die;

the bottom surface of the upper die is connected with an upper plate, an upper die cavity is processed on the upper plate, and the upper plate is also connected with a cutting assembly clamped in the upper die cavity;

the cutting-off assembly comprises a slice and through holes, the through holes are distributed on the slice, the slice is embedded into the upper die cavity, and the through holes are communicated with the upper die cavity;

the ejection assembly comprises an air cylinder, a transverse plate, a guide post and an ejection rod, wherein the air cylinder rod of the air cylinder is connected with one surface of the transverse plate, one end of the guide post is symmetrically fixed on the other surface of the transverse plate, the other end of the guide post is connected with the push plate, one end of the ejection rod is fixed with the push plate, and the other end of the ejection rod penetrates into the lower die cavity.

Preferably, the upper die is provided with an injection molding hole communicated with the upper die cavity, and the diameter of the injection molding hole is not more than 3 cm.

Preferably, the thickness of the slice is not more than 1cm, the slice is positioned at the joint between the injection molding hole and the upper mold cavity, and the slice penetrates out of the upper plate.

Preferably, a cutting edge is machined on the edge of the through hole.

Preferably, the upper die cavity and the lower die cavity are connected to form a sealed cavity.

Preferably, screw seats are fixed on the top surfaces of the lower die, which are positioned on the two sides of the lower plate, and the stud, which is positioned on the upper plate and penetrates through the upper plate, is meshed with the screw seats.

Compared with the prior art, the utility model has the following beneficial effects:

according to the forming die of the high-temperature-resistant optical lens base, the stud penetrating through the upper plate of the upper die is meshed with the screw seat, the stud rotates to drive the upper die to descend and close the lower die, the upper die cavity and the lower die cavity are connected to form a sealed cavity, and injection molding materials flow into the cavity to form the optical lens base; before moulding plastics, promote the section and let the through-hole, go up the die cavity and the state that the hole of moulding plastics is in the intercommunication, after the completion of moulding plastics, remove the section and utilize the blade of through-hole to cut off the injection molding material between die cavity and the hole of moulding plastics, take away the downthehole material of moulding plastics through the negative pressure, can cut off the material when moulding plastics, avoid the material to block up the hole of moulding plastics, the ejector pin of cylinder rod drive through the cylinder rises, the optical lens base ejecting lower die cavity after will cooling, reduction technology step.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is an internal cross-sectional view of the present invention;

FIG. 3 is a partial exploded view of the present invention;

fig. 4 is a connection diagram of the cutting assembly and the upper plate of the present invention.

In the figure: 1. an upper die; 11. an upper plate; 111. an upper mold cavity; 2. a lower die; 21. a pillar; 22. a lower plate; 221. a lower die cavity; 3. ejecting the assembly; 31. a cylinder; 32. a transverse plate; 33. a guide post; 34. ejecting the rod; 35. pushing the plate; 4. cutting off the assembly; 41. slicing; 42. and a through hole.

Detailed Description

The technical scheme in the embodiment of the utility model will be made clear below by combining the attached drawings in the embodiment of the utility model; fully described, it is to be understood that the described embodiments are merely a few, but not all embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a mold for molding a high temperature resistant optical lens base includes an upper mold 1 and a lower mold 2, wherein two edges of a bottom surface of the lower mold 2 are connected to a support column 21, the support column 21 supports the lower mold 2, a lower plate 22 is fixed to a top surface of the lower mold 2, a length and a width of the lower plate 22 are both smaller than those of the lower mold 2, the lower plate 22 is located at a center position of the lower mold 2, a lower mold cavity 221 is processed on the top surface of the lower plate 22, and an ejection assembly 3 is connected to the lower mold 2.

Referring to fig. 2-3, the bottom surface of the upper mold 1 is connected with an upper plate 11, the upper plate 11 is provided with an upper mold cavity 111, the upper mold 1 is provided with an injection molding hole communicated with the upper mold cavity 111, the diameter of the injection molding hole is not more than 3cm, the material is injected into the upper mold cavity 111 through the injection molding hole, the upper plate 11 is also connected with a cutting assembly 4 clamped into the upper mold cavity 111, screw bases are fixed on the top surfaces of the lower mold 2 at two sides of the lower plate 22, a stud penetrating through the upper plate 11 of the upper mold 1 is engaged with the screw bases, the stud rotates to drive the upper mold 1 to descend and close the lower mold 2, the upper mold cavity 111 and the lower mold cavity 221 are connected to form a sealed cavity, and the injection molding material flows into the cavity to form an optical lens base;

the ejection assembly 3 comprises an air cylinder 31, a transverse plate 32, a guide post 33 and an ejection rod 34, wherein the air cylinder rod of the air cylinder 31 is connected with one surface of the transverse plate 32, one end of the guide post 33 is symmetrically fixed on the other surface of the transverse plate 32, the other end of the guide post 33 is connected with a push plate 35, one end of the ejection rod 34 is fixed with the push plate 35, the other end of the ejection rod 34 penetrates into the lower die cavity 221, the ejection rod 34 is driven to ascend through the air cylinder rod of the air cylinder 31, and the cooled optical lens base is ejected out of the lower die cavity 221.

Referring to fig. 4, the cutting assembly 4 includes a cut-off piece 41 and a through hole 42, the through hole 42 is distributed on the cut-off piece 41, the cut-off piece 41 is embedded in the upper mold cavity 111, the thickness of the cut-off piece 41 is not more than 1cm, the cut-off piece 41 is located at the joint between the injection molding hole and the upper mold cavity 111, the cut-off piece 41 penetrates out of the upper plate 11, the through hole 42 is communicated with the upper mold cavity 111, before injection molding, the cut-off piece 41 is pushed to enable the through hole 42, the upper mold cavity 111 and the injection molding hole to be in a communicated state, after injection molding, the cut-off piece 41 is moved to cut off the injection molding material between the upper mold cavity 111 and the injection molding hole by using the cutting edge of the through hole 42, the material in the injection molding hole is pumped away by negative pressure, the material can be cut off during injection molding, the injection molding hole is prevented from being blocked by the material, and the material is synchronously ejected after cooling, and the process steps are reduced.

In summary, the following steps: according to the forming die of the high-temperature-resistant optical lens base, a stud penetrating through an upper plate 11 of an upper die 1 is meshed with a screw seat, the stud rotates to drive the upper die 1 to descend and close with a lower die 2, an upper die cavity 111 and a lower die cavity 221 are connected to form a sealed cavity, and injection molding materials flow into the cavity to form the optical lens base; before injection molding, the section 41 is pushed to enable the through hole 42, the upper mold cavity 111 and the injection molding hole to be in a communicated state, after injection molding is completed, the section 41 is moved to cut off injection molding materials between the upper mold cavity 111 and the injection molding hole by utilizing the cutting edge of the through hole 42, the materials in the injection molding hole are taken away through negative pressure, the materials can be cut off during injection molding, the injection molding hole is prevented from being blocked by the materials, the ejector rod 34 is driven to ascend through the air cylinder rod of the air cylinder 31, the cooled optical lens base is ejected out of the lower mold cavity 221, and the process steps are reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the term "includes"; "comprises," "comprising," or any other variation thereof, is intended to cover a non-exclusive inclusion, such that a process that comprises a list of elements; a method; an article or apparatus may comprise not only those elements but also other elements not expressly listed or embodied as such; a method; an article or an apparatus.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model; modifying; alternatives and modifications, the scope of the utility model being defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a forming die of high temperature resistant optical lens base, includes mould (1) and lower mould (2), its characterized in that: the two edges of the bottom surface of the lower die (2) are connected with the support columns (21), the top surface of the lower die (2) is fixedly provided with a lower plate (22), the top surface of the lower plate (22) is provided with a lower die cavity (221), and the lower die (2) is internally connected with an ejection assembly (3);

the bottom surface of the upper die (1) is connected with an upper plate (11), an upper die cavity (111) is processed on the upper plate (11), and the upper plate (11) is also connected with a cutting assembly (4) clamped into the upper die cavity (111);

the cutting assembly (4) comprises a cutting piece (41) and through holes (42), the through holes (42) are distributed on the cutting piece (41), the cutting piece (41) is embedded into the upper die cavity (111), and the through holes (42) are communicated with the upper die cavity (111);

the ejection assembly (3) comprises an air cylinder (31), a transverse plate (32), guide columns (33) and an ejection rod (34), the air cylinder rod of the air cylinder (31) is connected with one surface of the transverse plate (32), one ends of the guide columns (33) are symmetrically fixed on the other surface of the transverse plate (32), the other ends of the guide columns (33) are connected with a push plate (35), one ends of the ejection rods (34) are fixed with the push plate (35), and the other ends of the ejection rods (34) penetrate into a lower die cavity (221).

2. The mold for molding a high temperature resistant optical lens mount as claimed in claim 1, wherein: and the upper die (1) is provided with an injection molding hole communicated with the upper die cavity (111), and the diameter of the injection molding hole is not more than 3 cm.

3. The mold for molding a high temperature resistant optical lens mount as claimed in claim 1, wherein: the thickness of the cutting sheet (41) is not more than 1cm, the cutting sheet (41) is positioned at the joint between the injection molding hole and the upper mold cavity (111), and the cutting sheet (41) penetrates out of the upper plate (11).

4. The mold for molding a high temperature resistant optical lens mount as claimed in claim 1, wherein: and a cutting edge is processed on the edge of the through hole (42).

5. The mold for molding a high temperature resistant optical lens mount as claimed in claim 1, wherein: the upper die cavity (111) and the lower die cavity (221) are connected to form a sealed cavity.

6. The mold for molding a high temperature resistant optical lens mount as claimed in claim 1, wherein: the screw bases are fixed on the top surfaces of the lower die (2) on the two sides of the lower plate (22), and the studs penetrating through the upper plate (11) on the upper die (1) are meshed with the screw bases.