An injection mold core structural component for optical lenses
By designing injection mold mold core structural components for optical lenses with multiple separate or one combined insert pressing plates, the problem of insufficient accuracy and strength of existing molds when processing AR glasses lenses is solved, and high-precision, high-strength molding and low-cost production are achieved.
Patent Information
- Application Number
- CN202420513892.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-03-15
AI Technical Summary
When processing AR glasses lenses, existing injection molds are difficult to achieve high precision and high strength forming, and are inconvenient to disassemble and assemble, and are costly.
A mold core structural component of injection mold for optical lenses is designed, and multiple separate or one combined insert pressing plate is used to adjust the insert position through the thread matching between the insert fixing member and the insert, improving the precision and strength of the mold, and reducing material and processing costs.
It realizes flexible adjustment of the insert press plate, improves the processing accuracy and strength of the injection mold, facilitates disassembly and assemble, reduces costs, and has good economic benefits.
Smart Images
Figure CN222697776U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to a mold core structural component of an injection mold for optical lenses. Background Art
[0002] Augmented Reality (AR) technology is a technology that cleverly integrates virtual information with the real world. It widely uses a variety of technical means such as multimedia, three-dimensional modeling, real-time tracking and registration, intelligent interaction, and sensing. It simulates computer-generated virtual information such as text, images, three-dimensional models, music, and videos, and applies them to the real world. The two types of information complement each other, thereby achieving "enhancement" of the real world.
[0003] AR glasses can facilitate information exchange and have great application prospects in personal audio-visual entertainment, simulation training and education. AR glasses require lenses to achieve the fusion of perspective light and virtual light in front of the human eye. With the development of smart wearable devices such as AR glasses, injection molds are needed in the production process of lenses, and lenses are manufactured through injection molding technology. In order to improve the display effect of augmented reality, AR glasses lenses require more sophisticated injection molding than ordinary vision lenses. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide an injection mold core structural component for optical lenses, which is suitable for processing multi-image source AR glasses lenses, has high processing accuracy, greater strength, is easy to disassemble and assemble, and can further reduce costs in terms of materials and processing.
[0005] The utility model is implemented by the following technical solution: a mold core structural component of an injection mold for an optical lens, comprising:
[0006] A mold core (3), wherein the upper end of the mold core (3) is provided with a mold core groove (31);
[0007] An insert pressing plate (4), wherein the insert pressing plate (4) is installed in a mold core groove (31) of the mold core (3); and
[0008] A mold core adjustment structure comprises an insert (1) and an insert fixing member (5); the bottom of the mold core (3) is provided with a plurality of insert through holes (32) at intervals; the insert (1) is arranged in the insert through hole (32) from the bottom; an insert threaded hole (11) is arranged in the center of the top of the insert (1); the insert fixing member (5) passes through the insert pressing plate (4) and is threadedly connected to the insert; and the installation position of the bottom end of the insert (1) in the insert through hole (32) can be adjusted by adjusting the matching length between each insert fixing member (5) and the insert (1).
[0009] Furthermore, the insert pressing plate (4) is provided with an inclined screw countersunk hole (41), the insert fixing piece (5) is installed in the inclined screw countersunk hole (41), and the bottom end of the insert fixing piece (5) is connected to the top end of the insert (1) by threaded fitting.
[0010] Furthermore, the insert pressing plate (4) is a plurality of separate insert pressing plates, and the mold core grooves (31) are multiple and are arranged at intervals on the upper end of the mold core (3).
[0011] Furthermore, the insert pressing plate (4) is a combined insert pressing plate, and the mold core groove (31) is one and is arranged at the center of the upper end of the mold core (3).
[0012] Furthermore, two separate threaded holes (35) are symmetrically arranged on both sides of the insert through hole (32) in the mold core groove (31), and two edge pressing plates (43) are symmetrically arranged on both sides of the separate insert pressure plate. The bottom end of the pressure plate screw (6) is installed in the separate threaded hole (35) through threaded fitting, and the separate insert pressure plate is fixed in the mold core groove (31) by pressing the edge pressing plates (43).
[0013] Furthermore, the insert pressure plate (4) is provided with a plurality of vertical screw countersunk holes (42), and the mold core (3) is centrally located at the bottom end of the mold core groove (31) and is also provided with a plurality of vertical threaded holes (34) at equal angles, wherein a pressure plate screw (6) is installed in each of the vertical screw countersunk holes (42), and the bottom end of the pressure plate screw (6) is installed in the vertical threaded hole (34) through threaded engagement, so as to fix the insert pressure plate (4) in the mold core groove (31).
[0014] Furthermore, an insert adjustment gasket (2) is provided between the bottom end of the insert pressure plate (4) and the top end of the insert (1), a gasket through hole (21) is provided at the center of the insert adjustment gasket (2), and the insert adjustment gasket (2) is sleeved on the lower outer side of the insert fixing member (5).
[0015] Furthermore, the outer wall of the mold core (3) is provided with a plurality of inner grooves (33) which are recessed from the outer circumference to the center.
[0016] Furthermore, the insert through hole (32) is arranged obliquely in the mold core (3).
[0017] Furthermore, the lower surface of the insert pressing plate (4) is provided with an inclined surface which is not parallel to the upper surface.
[0018] Compared with the prior art, the beneficial effects of the present invention are:
[0019] 1. The utility model discloses an injection mold core structural component for an optical lens, wherein the insert pressure plate is a plurality of separate insert pressure plates, each of which is installed in a corresponding mold core groove on the mold core, and the insert fixing piece is connected to the insert by threaded fitting, and the installation position of the bottom end of the insert in the insert through hole can be adjusted by the fitting length between each insert fixing piece and the insert, so that the position of each insert pressure plate can be flexibly adjusted according to needs, which is more convenient to use.
[0020] 2. The utility model provides an injection mold core structure component for an optical lens, wherein the insert pressure plate is a combined insert pressure plate, which is vertically fixed in the mold core groove by means of pressure plate screws, and the installation position of the bottom end of the insert in the insert through hole can be adjusted by the matching length between each insert fixing part and the insert. The overall installation requires fewer pressure plate screws and a smaller space, has higher processing precision and greater strength, is easy to disassemble and assemble, and can further reduce costs in terms of materials and processing, thereby having better economic benefits.
[0021] 3. The utility model is an injection mold core structural component for an optical lens, and an insert adjustment gasket is provided between the bottom end of the insert pressure plate and the top end of the insert, which can assist in adjusting the position of the bottom end of each insert in the insert through hole, thereby improving the precision of optical lens injection molding. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 Schematic diagram of the structural separation of the mold core structural components of the injection mold in Example 1 Figure 1
[0023] Figure 2 Schematic diagram of the structural separation of the mold core structural components of the injection mold in Example 1 Figure 1 ;
[0024] Figure 3 It is a schematic diagram of the structural separation of the mold core in Example 1;
[0025] Figure 4 is a top view of the mold core structural component of the injection mold in Example 1;
[0026] Figure 5 yes Figure 4 ABC section view;
[0027] Figure 6 Schematic diagram of the structural separation of the mold core structural components of the injection mold in Example 2 Figure 1 ;
[0028] Figure 7 Schematic diagram of the structural separation of the mold core structural components of the injection mold in Example 2 Figure 2 ;
[0029] Figure 8It is a schematic diagram of the structural separation of the mold core and the insert pressing plate in the second embodiment;
[0030] Fig. 9 It is a schematic diagram of the assembly of the mold core structural components of the injection mold in the second embodiment;
[0031] Fig.10 It is a cross-sectional view of the injection mold core structural component in Example 2.
[0032] In the figure: 1. insert; 2. insert adjustment gasket; 3. mold core; 4. insert pressure plate; 5. insert fixing piece; 6. pressure plate screw; 11. insert threaded hole; 21. gasket through hole; 31. mold core groove; 32. insert through hole; 33. insert inner groove; 34. vertical threaded hole; 35. separate threaded hole; 41. inclined screw countersunk hole; 42. vertical screw countersunk hole; 43. edge pressure piece. DETAILED DESCRIPTION
[0033] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.
[0034] The utility model aims to provide an injection mold core structural component for optical lenses in view of the defects of the prior art.
[0035] Embodiment 1
[0036] This embodiment provides a mold core structure component for an optical lens injection mold, referring to Figure 1 , Figure 2 As shown, it includes a mold core 3, an insert pressure plate 4 and a mold core adjustment structure. The mold core 3 in this embodiment is cylindrical, but it can also be in other shapes. A plurality of mold core grooves 31 are arranged at the upper end of the mold core 3, and the plurality of mold core grooves 31 are arranged at equal angles at the upper end of the mold core 3. The insert pressure plate 4 is a plurality of separate insert pressure plates, and each insert pressure plate 4 is installed in a corresponding mold core groove 31 on the mold core 3.
[0037] Reference Figure 2-Figure 5As shown, the mold core adjustment structure includes an insert 1 and an insert fixing member 5. The bottom of the mold core 3 is provided with an inclined insert through hole 32 at the bottom end of each mold core groove 31. The insert 1 is arranged in the insert through hole 32 from the bottom, and an insert threaded hole 11 is arranged at the center of the top of the insert 1; an inclined screw countersunk hole 41 is arranged on the insert pressing plate 4, and the insert fixing member 5 is installed in the inclined screw countersunk hole 41. The bottom end of the insert fixing member 5 is connected to the top end of the insert 1 through a threaded fit, and the installation position of the bottom end of the insert 1 in the insert through hole 32 can be adjusted by the fit length between each insert fixing member 5 and the insert 1. The insert pressing plate 4 is a multi-piece separate design, and the position of each insert pressing plate 4 can be flexibly adjusted, making it more convenient and flexible to use.
[0038] In this embodiment, the insert through hole 32 is inclined, and an inclined screw countersunk hole 41 is provided on the insert pressure plate 4. In order to facilitate the installation of the insert pressure plate 4, the lower surface of the insert pressure plate 4 is set as an inclined surface, which is not parallel to the upper surface, thereby limiting the way in which the insert pressure plate 4 is placed in the mold core groove 31, so that the center lines of the inclined screw countersunk hole 41 and the insert through hole 32 are aligned.
[0039] Reference Figure 2-Figure 5 As shown, specifically, two separate threaded holes 35 are symmetrically arranged on both sides of the insert through hole 32 in each mold core groove 31, and two edge pressing plates 43 are symmetrically arranged on both sides of the separate insert pressure plate. The bottom end of the pressure plate screw 6 is installed in the separate threaded hole 35 through threaded fitting, and the separate insert pressure plate is fixed in the mold core groove 31 by pressing the edge pressing plates 43.
[0040] Embodiment 2
[0041] This embodiment provides a mold core structure component for an optical lens injection mold, referring to Figure 6 , Figure 7 As shown, it includes a mold core 3, an insert pressure plate 4 and a mold core adjustment structure. The mold core 3 in this embodiment is cylindrical, and a mold core groove 31 is provided in the center of the upper end of the mold core 3; the insert pressure plate 4 is a combined insert pressure plate, and the insert pressure plate 4 is installed in the mold core groove 31 in the center of the mold core 3.
[0042] Reference Figure 7-10As shown, the mold core adjustment structure includes an insert 1 and an insert fixing member 5. Five inclined insert through holes 32 are arranged at equal angles at the bottom of the mold core groove 31 in the center of the mold core 3. The insert 1 is arranged in the insert through hole 32 from the bottom, and an insert threaded hole 11 is arranged in the center of the top of the insert 1. Five inclined screw countersunk holes 41 are arranged on the insert pressing plate 4. The insert fixing member 5 is installed in the inclined screw countersunk hole 41. The bottom end of the insert fixing member 5 is connected to the top end of the insert 1 through threaded fitting. The installation position of the bottom end of the insert 1 in the insert through hole 32 can be adjusted by the fitting length between each insert fixing member 5 and the insert 1. An insert inner groove 33 is arranged on the outer wall of the mold core 3.
[0043] Reference Figure 7-10 As shown, three vertical screw counterbores 42 are provided on the insert pressure plate 4, and three vertical threaded holes 34 are also provided at equal angles at the bottom end of the mold core groove 31 in the center of the mold core 3, wherein a pressure plate screw 6 is installed in the vertical screw counterbores 42, and the bottom end of the pressure plate screw 6 is installed in the vertical threaded hole 34 through threaded cooperation, so as to fix the insert pressure plate 4 in the mold core groove 31.
[0044] When using the mold core structural assembly of an injection mold for an optical lens of the utility model, three pressure plate screws 6 are used to vertically fix the insert pressure plate 4 in the mold core groove 31. Five inclined screw countersunk holes 41 are provided on the insert pressure plate 4, and the insert fixing member 5 is installed in the inclined screw countersunk holes 41. The bottom end of the insert fixing member 5 is connected to the top end of the insert 1 through a threaded fit. The installation position of the bottom end of the insert 1 in the insert through hole 32 can be adjusted by the matching length between each insert fixing member 5 and the insert 1, thereby adjusting the position of the bottom end of each insert 1, and improving the precision of optical lens injection molding. The insert pressure plate 4 is an integrated structure, and its installation requires fewer pressure plate screws, a smaller space, high processing accuracy, greater strength, and is easy to disassemble and assemble. The cost can be further reduced in terms of materials and processing, and it has better economic benefits.
[0045] Similarly, in this embodiment, the insert through hole 32 is inclined, and an inclined screw countersunk hole 41 is provided on the insert pressure plate 4. In order to facilitate the installation of the insert pressure plate 4, the lower surface of the insert pressure plate 4 is provided with multiple inclined surfaces, which are not parallel to the upper surface. The lower surface of the insert pressure plate 4 except for the multiple inclined surfaces is parallel to the upper surface, thereby limiting the way in which the insert pressure plate 4 is placed in the mold core groove 31, so that the center lines of the inclined screw countersunk hole 41 and the insert through hole 32 are aligned.
[0046] Embodiment 3
[0047] This embodiment provides a mold core structure component for an optical lens injection mold, referring to Figure 2 , Figure 5As shown, an insert adjusting gasket 2 is arranged between the bottom end of the insert pressing plate 4 and the top end of the insert 1, a gasket through hole 21 is arranged in the center of the insert adjusting gasket 2, and the insert adjusting gasket 2 is sleeved on the lower outer side of the insert fixing part 5 to assist in adjusting the position of the bottom end of each insert 1 and improve the precision of optical lens injection molding.
[0048] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A mold core structural component for an injection mold for an optical lens, characterized in that: include A mold core (3), wherein the upper end of the mold core (3) is provided with a mold core groove (31); An insert pressing plate (4), wherein the insert pressing plate (4) is installed in a mold core groove (31) of the mold core (3); and A mold core adjustment structure comprises an insert (1) and an insert fixing member (5); the bottom of the mold core (3) is provided with a plurality of insert through holes (32) at intervals; the insert (1) is arranged in the insert through hole (32) from the bottom; an insert threaded hole (11) is arranged in the center of the top of the insert (1); the insert fixing member (5) passes through the insert pressing plate (4) and is threadedly connected to the insert; and the installation position of the bottom end of the insert (1) in the insert through hole (32) can be adjusted by adjusting the matching length between each insert fixing member (5) and the insert (1).
2. The injection mold core structural assembly for optical lenses according to claim 1, characterized in that: The insert pressing plate (4) is provided with an inclined screw countersunk hole (41), the insert fixing piece (5) is installed in the inclined screw countersunk hole (41), and the bottom end of the insert fixing piece (5) is connected to the top end of the insert (1) by threaded fitting.
3. The injection mold core structural assembly for optical lenses according to claim 1, characterized in that: The insert pressing plate (4) is a plurality of separate insert pressing plates, and the mold core grooves (31) are multiple and are arranged at intervals on the upper end of the mold core (3).
4. The injection mold core structural assembly for optical lenses according to claim 1, characterized in that: The insert pressing plate (4) is a combined insert pressing plate, and the mold core groove (31) is one and is arranged at the center of the upper end of the mold core (3).
5. The injection mold core structural assembly for optical lenses according to claim 3, characterized in that: Two separate threaded holes (35) are symmetrically arranged on both sides of the insert through hole (32) in the mold core groove (31), and two edge pressing plates (43) are symmetrically arranged on both sides of the separate insert pressure plate. The bottom end of the pressure plate screw (6) is installed in the separate threaded hole (35) through threaded cooperation, and the separate insert pressure plate is fixed in the mold core groove (31) by pressing the edge pressing plates (43).
6. The injection mold core structural assembly for optical lenses according to claim 4, characterized in that: The insert pressure plate (4) is provided with a plurality of vertical screw counterbores (42), and the mold core (3) is centrally located at the bottom end of the mold core groove (31) and is also provided with a plurality of vertical threaded holes (34) at equal angles, wherein a pressure plate screw (6) is installed in each of the vertical screw counterbores (42), and the bottom end of the pressure plate screw (6) is installed in the vertical threaded hole (34) through threaded engagement, so as to fix the insert pressure plate (4) in the mold core groove (31).
7. The injection mold core structural component for optical lenses according to claim 5 or 6, characterized in that: An insert adjustment gasket (2) is arranged between the bottom end of the insert pressure plate (4) and the top end of the insert (1), a gasket through hole (21) is arranged at the center of the insert adjustment gasket (2), and the insert adjustment gasket (2) is sleeved on the lower outer side of the insert fixing piece (5).
8. The injection mold core structural assembly for optical lenses according to claim 1, characterized in that: The outer wall of the mold core (3) is provided with a plurality of inner grooves (33) which are recessed from the outer circumference to the center.
9. The injection mold core structural assembly for optical lenses according to claim 1, characterized in that: The insert through hole (32) is arranged obliquely in the mold core (3).
10. The injection mold core structural assembly for optical lenses according to claim 1, characterized in that: The lower surface of the insert pressing plate (4) is provided with an inclined surface which is not parallel to the upper surface.