High-precision quick-release stable optical mold structure

Abstract

The utility model relates to the technical field of injection molds, and particularly discloses a high-precision quick-release stable optical mold structure which comprises an upper fixing plate, a fixed mold plate, a movable mold plate, an ejector plate, a lower fixing plate, an insert, a fixed mold core and a movable mold core. The insert consists of an insert upper module and an insert lower module, both the insert upper module and the insert lower module are provided with holes, and the holes of the insert upper module and the insert lower module are communicated; the insert is embedded in an insert hole of the fixed mold plate, the fixed mold core is embedded in the insert, the fixed mold core in the insert and a movable mold core mounted in the movable mold plate are mounted in the movable mold plate and the fixed mold plate according to equal proportional angles, and the fixed mold core and the movable mold core mounted between the fixed mold plate and the movable mold plate are in contact to form an optical lens cavity; the mold with the structural design can quickly optimize and process optical molding data, effectively reduce the adjustment time of personnel and improve the utilization rate of injection molding consumables.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a high-precision quick-release stable optical mold structure. Background Art

[0002] With the rapid advancement of technology, mobile phone camera modules have undergone tremendous changes! Today's mobile phone cameras not only have higher pixels but also increasingly rich functions. While meeting the corresponding optical performance, it is necessary to further reduce the production cost of lenses to meet customer requirements.

[0003] Currently, plastic lenses are formed by injection molding in cavities on top of multiple fixed and movable molds. However, during assembly, unavoidable gaps between the fixed and movable molds create installation precision issues. Furthermore, frequent assembly and disassembly of the entire mold, which takes too long to meet production requirements, degrades the mold core precision, and accelerates mold failure, resulting in unnecessary financial losses. To mitigate these losses, improvements to other mold structures are being explored to lower lens production costs. Utility Model Content

[0004] The purpose of the present invention is to provide a high-precision quick-release stable optical mold structure to address the defects of the prior art and solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision quick-release stable optical mold structure, comprising an upper fixed plate, a fixed mold plate, a movable mold plate, an ejector plate, a lower fixed plate, an insert, a fixed mold core, and a movable mold core, wherein the upper fixed plate is connected to the fixed mold plate;

[0006] The insert is composed of an upper insert module and a lower insert module, both of which are provided with cavities, and the cavities of the upper insert module and the lower insert module are communicated;

[0007] The insert is embedded in the insert hole of the fixed template, the fixed mold core is embedded in the insert, the fixed mold core in the insert and the movable mold core installed in the movable template are installed in the movable template and the fixed template at an equal proportional angle, and the fixed mold core and the movable mold core installed between the fixed template and the movable template are in contact to form an optical lens cavity;

[0008] The lower insert module is installed on the upper insert module for adjusting the height of the fixed mold core, and is used to fix and adjust the fixed mold core. The upper fixing plate and the ejector plate are each provided with an annular water channel that is not connected to each other in the symmetrical directions of the four sides.

[0009] As an optimal technical solution of the present invention, the upper fixed plate is provided with a through screw hole for connecting the fixed template; the ejector plate is provided with a through screw hole for connecting the movable template; and the lower fixed plate is provided with a through screw for connecting the ejector plate.

[0010] As a preferred technical solution of the present utility model, a well-shaped water channel is provided on the upper fixed plate, and the well-shaped water channel is provided with front and rear main water channel holes and upper and lower main water channel holes. The water outlets of the front and rear main water channel holes and the upper and lower main water channel holes are connected to the external circulation water channel and the internal circulation water channel of the fixed template. The outer ring of the external circulation water channel and the inner ring of the internal circulation water channel are both provided with sealing rings for isolation. The water channels of the movable template and the ejector plate are the same;

[0011] The fixed template and the movable template are both crescent-shaped closed water channels, the upper fixed plate is connected to the fixed template water channel to form a well-shaped circulating water channel, the ejector plate is provided with a well-shaped inlet and outlet water channel, and the ejector plate is connected to the water channel of the movable template to form a well-shaped circulating water channel.

[0012] As a preferred technical solution of the present invention, the upper insert module and the lower insert module are connected to the insert module fixing hole via a positioning pin hole;

[0013] The interior of the insert lower module is provided with an insert mold core hole for installing the fixed mold core, and the fixed mold plate is connected to the upper fixed plate through the fixed mold plate positioning hole;

[0014] The insert lower module is connected to the upper fixed plate through the insert through hole and the insert fixing screw. The fixed template and the movable template are both provided with guide sleeves and guide columns. The movable template is provided with a movable mold core. A center needle is installed between the ejector plate and the movable template. The ejector plate is installed with a return pin. The upper plate and the lower plate are placed in the middle of the ejector plate. The center needle is connected in a through-type manner to the upper plate and the lower plate.

[0015] As a preferred technical solution of the present invention, ball screws are installed in the insert holes of the fixed template for rapid assembly and disassembly of the mold.

[0016] As a preferred technical solution of the present invention, a fixed mold runner insert is installed in the insert upper module to prevent the glue injection nozzle from directly passing through the insert upper module and the insert lower module.

[0017] As an optimal technical solution of the present invention, there are several fixed mold cores, which are installed at intervals in the inserts. The positions of the inserts installed on the fixed mold plate are consistent with the positions of the fixed mold core and the movable mold core installed on the movable mold plate.

[0018] As a preferred technical solution of the present invention, positioning columns are installed at the diagonal positions of the inserts, and the movable template is provided with positioning sleeves that match the positioning columns.

[0019] As a preferred technical solution of the present invention, the insert is connected to the fixed template to achieve a gapless interference fit, and the lower module of the insert is assembled into an integral body with the upper fixed plate through countersunk screw holes.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The mold of the utility model has the characteristics of simple structure, good water channel heat dissipation performance, simple and fast operation, high precision, etc. When adjusting data and changing mold cores, it is often only necessary to disassemble the upper fixed plate, the fixed template and the insert on the upper and lower assemblies of the injection molding machine. When the operator makes adjustments, the operation is quick and simple and not prone to errors, thereby saving costs, effectively reducing personnel adjustment time, and improving the utilization rate of injection molding consumables. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 2 Schematic diagram of the cross-sectional structure of the upper fixed plate;

[0024] Figure 3 It is the top view of the fixed template;

[0025] Figure 4 Schematic diagram of the top and bottom of the insert;

[0026] Figure 5 Schematic diagram of the decomposition structure of the fixed template and inserts.

[0027] In the figure: 101, upper fixed plate; 102, fixed plate; 103, movable plate; 104, ejector plate; 105, lower fixed plate; 12, movable mold core; 13, center pin; 15, insert through-hole; 16, fixed plate positioning hole; 1701, front and rear main water channel holes; 1702, upper and lower main water channel holes; 24, guide sleeve; 26, spring; 31, guide column; 32, return pin; 33, insert injection runner; 34, insert Part fixing screws; 35, external circulation water channel; 36, internal circulation water channel; 38, insert upper module; 39, insert lower module; 42, upper fixed plate positioning hole; 43, ball screw; 45, insert mold core hole; 51, guide column hole; 55, insert precision positioning hole; 61, fixed template flow channel insert; 62, fixed mold core; 63, upper plate; 64, lower plate; 67, insert hole; 72, positioning pin hole; 73, insert module fixing hole. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0029] Example: See Figure 1-3 The utility model provides a technical solution: a high-precision quick-release stable optical mold structure, including an upper fixed plate 101, a fixed mold plate 102, a movable mold plate 103, an ejector plate 104, a lower fixed plate 105, an insert 3, a fixed mold core 62, and a movable mold core 12, characterized in that: the upper fixed plate 101 is connected to the fixed mold plate 102;

[0030] The insert 3 is composed of an upper insert module 38 and a lower insert module 39. Both the upper insert module 38 and the lower insert module 39 are provided with cavities, and the cavities of the upper insert module 38 and the lower insert module 39 are connected;

[0031] The insert 3 is embedded in the insert hole 67 of the fixed plate 102, and the fixed mold core 62 is embedded in the insert 3. The fixed mold core 62 in the insert 3 and the movable mold core 12 installed in the movable plate 103 are installed in the movable plate 103 and the fixed plate 102 at an equal angle. The fixed mold core 62 and the movable mold core 12 installed between the fixed plate 102 and the movable plate 103 are in contact to form the optical lens cavity;

[0032] The lower insert module 39 is installed on the upper insert module 38 for adjusting the height of the fixed mold core 62, and is used to fix and adjust the fixed mold core 62. The upper fixing plate 101 and the ejector plate 104 are each provided with an annular water channel that is not connected to each other in the four symmetrical directions.

[0033] The upper fixing plate 101 is provided with through screw holes for connecting to the fixed plate 102 ; the ejector plate 104 is provided with through screw holes for connecting to the movable plate 103 ; and the lower fixing plate 105 is provided with through screws for connecting to the ejector plate 104 .

[0034] A well-shaped water channel is provided on the upper fixed plate 101, and the well-shaped water channel is provided with front and rear main water channel holes 1701 and upper and lower main water channel holes 1702. The water outlets of the front and rear main water channel holes 1701 and the upper and lower main water channel holes 1702 are connected to the external circulation water channel 35 and the internal circulation water channel 36 of the fixed template 102. The outer circle of the external circulation water channel 35 and the inner circle of the internal circulation water channel 36 are both provided with sealing rings for isolation. The water channels of the movable template 103 and the ejector plate 104 are the same.

[0035] The fixed template 102 and the movable template 103 are both crescent-shaped closed water channels. The upper fixed plate 101 is connected to the fixed template 102 water channel to form a well-shaped circulating water channel. The ejector plate 104 is provided with a well-shaped inlet and outlet water channel. The ejector plate 104 is connected to the water channel of the movable template 103 to form a well-shaped circulating water channel.

[0036] The upper insert module 38 and the lower insert module 39 are connected via the positioning pin hole 72 and the insert module fixing hole 73;

[0037] The lower insert module 39 is provided with an insert mold core hole 45 for installing the fixed mold core 62, and the fixed mold plate 102 is connected to the upper fixed plate 101 through the fixed mold plate positioning hole 16;

[0038] The insert lower module 39 is connected to the upper fixed plate 101 through the insert through hole 15 and the insert fixing screw 34. The fixed template 102 and the movable template 103 are both provided with a guide sleeve 24 and a guide column 31. The movable template 103 is provided with a movable mold core 12. A center needle 13 is installed between the connection between the ejector plate 104 and the movable template 103. The ejector plate 104 is installed with a return pin 32. The upper plate 63 and the lower plate 64 are placed in the middle of the ejector plate 104. The center needle 13 is connected in a through manner to the upper plate 63 and the lower plate 64.

[0039] A ball screw 43 is installed in the insert hole 67 of the fixed mold plate 102 for rapid assembly and disassembly of the mold.

[0040] A fixed mold plate flow channel insert 61 is installed in the upper insert module 38 to prevent the glue injection nozzle from directly penetrating the upper insert module 38 and the lower insert module 39.

[0041] There are several fixed mold cores 62 and they are installed at intervals in the insert 3. The position where the insert 3 is installed on the fixed plate 102 is consistent with the position where the fixed mold core 62 and the movable mold core 12 are installed on the movable plate 103.

[0042] Positioning columns are installed at the diagonal positions of the insert 3, and the movable plate 103 is provided with positioning sleeves that match the positioning columns.

[0043] The insert 3 is connected to the fixed plate 102 to achieve a gapless interference fit, and the lower insert module 39 is assembled into an integral body with the upper fixed plate 101 through countersunk screw holes.

[0044] Working principle: A high-precision quick-release stable optical mold structure. The upper fixed plate 101 is provided with front and rear main water channel holes 1701 and upper and lower main water channel holes 1702. The water channel outlet is connected to the inner circulation water channel 36 and the outer circulation water channel 35 of the fixed mold plate 102. The outer circle of the outer circulation water channel 35 and the inner circle of the inner circulation water channel 36 are separated by a sealing ring. The water channel structure of the movable mold plate 103 is consistent with that of the ejector plate 104.

[0045] The upper insert module 38 and the lower insert module 39 are connected to the positioning pin hole 72 and the insert module fixing hole 73 to fix the upper and lower insert modules. The insert mold core hole 45 inside the lower insert module 39 is used to install the fixed mold core 62. The fixed template 102 is connected to the upper fixed plate 101 through the fixed template positioning hole 16. The insert is installed in the insert hole 67 in the fixed template 102 and is connected to the upper fixed plate 101 through the insert positioning hole 15 and the insert fixing screw 34. The fixed template 102 and the movable template 103 are provided with a guide sleeve 24 and a guide column 31. The movable template 103 is provided with a movable mold core 12. A center pin 13 is installed between the connection between the ejector plate 104 and the movable template 103. The ejector plate 104 is equipped with a limit sleeve 32. The upper plate 63 and the lower plate 64 are placed in the middle of the ejector plate 104. The center pin 13 is a through-type connection between the upper and lower ejector plates.

[0046] In this embodiment, the glass bead screw 43 involved in the utility model is installed in the insert hole 67 of the fixed template 102, which facilitates the rapid disassembly and assembly of the mold, and the quick disassembly of the mold insert lower module 39 and the fixed template 102, and has the functions of extending the overall service life of the mold, high stability, and quick disassembly.

[0047] In this embodiment, the fixed mold runner insert 61 involved in the utility model is installed in the fixed mold runner insert 61 in the insert upper module 38, so as to avoid the glue injection nozzle directly passing through the insert upper module 38 and the insert lower module 39, resulting in the inability to directly quickly disassemble the mold insert and the wear caused by disassembling the insert, and has the advantages of extending the overall service life of the mold, high stability, and quick disassembly function.

[0048] In this embodiment, the upper fixed plate 101 involved in the utility model is provided with upper and lower main water channel holes 1702 and front and rear main water channels 1701 on the upper fixed plate 101 and the ejector plate 104, which can avoid the cracking of the main water inlet interface caused by the operator or water quality, and has the function of extending the overall service life of the mold and high stability.

[0049] In this embodiment, the utility model involves a fixed template 102 and a movable template 103. Internal and external circulation water channels are designed on the contact surface between the fixed template 102 and the upper fixed 101, and internal and external circulation water channels are set on the contact surface between the movable template 103 and the ejector plate 104, which has the function of extending the overall service life of the mold and high stability.

[0050] This embodiment implements a new workflow: the number of movable mold cores 12 and fixed mold cores 62 is 12 each, the insert 3 is installed in the insert hole 67 on the fixed mold plate 102 and is connected to the matching hole in the movable mold plate 103, and the glue is injected into the mold through the nozzle during glue injection, and then injected into the mold core cavity where the insert lower module 39 and the movable mold plate 103 are installed through the runner 33 of the insert 3. After cooling, the fixed mold plate 102 and the movable mold plate 103 are opened, pushing the center needle 13 and the small ejector pin of the lower plate 64 to eject the product and then retract the upper plate 63 through the return pin 32 on the spring 26.

[0051] The above embodiments merely represent implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the concept of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.

Claims

1. A high-precision quick-release stable optical mold structure, comprising an upper fixed plate (101), a fixed mold plate (102), a movable mold plate (103), an ejector plate (104), a lower fixed plate (105), an insert (3), a fixed mold core (62), and a movable mold core (12), characterized in that: The upper fixed plate (101) is connected to the fixed template (102); The insert (3) is composed of an insert upper module (38) and an insert lower module (39), and both the insert upper module (38) and the insert lower module (39) are provided with cavities, and the cavities of the insert upper module (38) and the insert lower module (39) are communicated; The insert (3) is embedded in the insert hole (67) of the fixed mold plate (102), the fixed mold core (62) is embedded in the insert (3), the fixed mold core (62) in the insert (3) and the movable mold core (12) installed in the movable mold plate (103) are installed in the movable mold plate (103) and the fixed mold plate (102) at equal proportional angles, and the fixed mold core (62) and the movable mold core (12) installed between the fixed mold plate (102) and the movable mold plate (103) are in contact with each other to form an optical lens cavity; The lower insert module (39) is installed on the upper insert module (38) for adjusting the height of the fixed mold core (62) and is used to fix and adjust the fixed mold core (62). The upper fixing plate (101) and the ejector plate (104) are each provided with an annular water channel that is not communicated with each other in the symmetrical directions of the four sides.

2. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: The upper fixing plate (101) is provided with a through screw hole for connecting to the fixed plate (102); the ejector plate (104) is provided with a through screw hole for connecting to the movable plate (103); and the lower fixing plate (105) is provided with a through screw for connecting to the ejector plate (104).

3. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: The upper fixed plate (101) is provided with a well-shaped water channel, and the well-shaped water channel is provided with front and rear main water channel holes (1701) and upper and lower main water channel holes (1702). The water channel outlets of the front and rear main water channel holes (1701) and the upper and lower main water channel holes (1702) are connected to the outer circulation water channel (35) and the inner circulation water channel (36) of the fixed template (102). The outer ring of the outer circulation water channel (35) and the inner ring of the inner circulation water channel (36) are both provided with sealing rings for isolation. The water channels of the movable template (103) and the ejector plate (104) are the same. The fixed die plate (102) and the movable die plate (103) are both crescent-shaped closed water channels. The upper fixed plate (101) is connected to the water channel of the fixed die plate (102) to form a well-shaped circulating water channel. The ejector plate (104) is provided with a well-shaped inlet and outlet water channel. The ejector plate (104) is connected to the water channel of the movable die plate (103) to form a well-shaped circulating water channel.

4. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: The upper insert module (38) and the lower insert module (39) are connected to the insert module fixing hole (73) via a positioning pin hole (72); The lower insert module (39) is provided with an insert mold core hole (45) for installing a fixed mold core (62), and the fixed mold plate (102) is connected to the upper fixed plate (101) through the fixed mold plate positioning hole (16); The insert lower module (39) is connected to the upper fixed plate (101) through the insert through hole (15) and the insert fixing screw (34). The fixed template (102) and the movable template (103) are both provided with a guide sleeve (24) and a guide column (31). The movable template (103) is provided with a movable mold core (12). A center needle (13) is installed between the ejector plate (104) and the movable template (103). The ejector plate (104) is installed with a return pin (32). An upper plate (63) and a lower plate (64) are placed in the middle of the ejector plate (104). The center needle (13) is connected to the upper plate (63) and the lower plate (64) in a through-type manner.

5. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: A ball screw (43) is installed in the insert hole (67) of the fixed template (102) for rapid assembly and disassembly of the mold.

6. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: A fixed mold plate flow channel insert (61) is installed in the insert upper module (38) to prevent the glue injection nozzle from directly penetrating the insert upper module (38) and the insert lower module (39).

7. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: The fixed mold cores (62) are provided in a plurality and are installed at intervals in the insert (3). The position of the insert (3) installed on the fixed mold plate (102) is consistent with the position of the fixed mold core (62) and the movable mold core (12) installed on the movable mold plate (103).

8. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: Positioning columns are installed at the diagonal positions of the insert (3), and the movable plate (103) is provided with positioning sleeves matching the positioning columns.

9. The high-precision quick-release stable optical mold structure according to claim 1, characterized in that: The insert (3) is connected to the fixed template (102) to achieve a gapless interference fit, and the insert lower module (39) is assembled into an integral body with the upper fixed plate (101) through countersunk screw holes.

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