Multi-mold-cavity aspheric lens compression molding device

Abstract

The utility model relates to the technical field of dies, in particular to a multi-die-cavity aspheric lens compression molding device which comprises a bottom plate, a base and a die pressing jig, the base is arranged on the bottom plate, the die pressing jig comprises a die holder and a die pressing assembly, the die holder is provided with a plurality of die cavities, the die cavities are provided with the die pressing assembly, and the die pressing assembly is arranged on the base. A plurality of limiting placement grooves are formed in the bottom plate and used for containing a mold pressing assembly and a mold base correspondingly. According to the compression molding device for the multi-mold-cavity aspheric lens, the bottom plate and the base are arranged, the compression molding jig is positioned and installed on the base, and when the compression molding device is disassembled, corresponding parts can be placed in the corresponding limiting placement grooves, so that the situation that the parts are lost or the installation sequence is disordered is avoided, and the disassembly and assembly efficiency of workers can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially is a kind of multi-mold cavity aspheric lens moulding forming device. BACKGROUND

[0002] In the field of optical element manufacturing, especially in the mold pressing production of lenses, mold pressing fixture as a key production equipment, its structure design has important influence on product quality and production efficiency. The traditional mold pressing fixture is usually composed of upper die, lower die and its supporting structure. These components are integrated in a die holder for easy installation and positioning. However, the mold pressing fixture in the prior art has obvious defects in use:

[0003] Convenient disassembly: when maintaining or replacing the mold, the entire die holder needs to be removed from the equipment, which is not only cumbersome to operate, but also increases the operation time and reduces the production efficiency.

[0004] Part management difficulty: the disassembled upper die, lower die and other parts lack a special temporary storage location, leading to confusion and loss of parts, especially in multi-station production lines, this problem is more prominent.

[0005] Cost increase: the loss of parts directly leads to additional fixture manufacturing cost, and frequent disassembly and assembly operations may also cause wear of the mold, further increasing the cost burden.

[0006] Reduced work efficiency: chaotic part management directly affects the work efficiency of operators, increases the uncertainty in the production process, and is not conducive to the stable execution of production plans.

[0007] In summary, the lens mold pressing production fixture in the prior art has obvious deficiencies in terms of disassembly convenience, part management and cost control, and an innovative design is needed to solve the above problems to improve the efficiency and economy of lens mold pressing production. SUMMARY

[0008] The utility model provides a kind of multi-mold cavity aspheric lens moulding forming device for the problems of prior art, by setting bottom plate and being set with corresponding limit arrangement slot on bottom plate, when disassembling, parts can be placed into corresponding limit arrangement slot, avoid the situation of part loss.

[0009] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of multi-mold cavity aspheric lens moulding forming device, including bottom plate, base and mold pressing fixture, the base is installed on the bottom plate, the mold pressing fixture includes die holder and mold pressing assembly, the die holder is provided with a plurality of mold cavities, the mold cavity is equipped with mold pressing assembly, the bottom plate is provided with a plurality of limit arrangement slots, and the plurality of limit arrangement slots are respectively used to place mold pressing assembly and die holder.

[0010] Preferably, the mold assembly comprises an upper mold, a lower mold and a sleeve, the upper mold is provided with an upper mold cavity, the lower mold is provided with a lower mold cavity, the upper mold cavity and the lower mold cavity form a mold cavity for lens mold forming, the sleeve is arranged in the mold cavity and the outer wall of the sleeve is matched with the inner wall of the mold cavity, the lower mold is arranged at one end of the sleeve, the upper mold is slidingly arranged at the other end of the sleeve, and the upper mold is located at the cavity opening of the mold cavity.

[0011] Preferably, the base is provided with a plurality of positioning holes, the positioning holes are fitted with positioning pins, and the lower mold is provided with a fixing hole.

[0012] Preferably, the positioning pin is provided with a limiting ring, the positioning hole is provided with a clamping groove, and the limiting ring is located in the clamping groove.

[0013] Preferably, the base is provided with a limiting plate, the mold seat is arranged behind the base, and the limiting plate is located at the outer periphery of the mold seat.

[0014] Preferably, the radial section of the mold seat is triangular in shape, the limiting plate is provided with at least two, and the limiting plate is matched with the outer wall of the mold seat.

[0015] Preferably, the base is provided with a steel plate, the steel plate is located between the mold seat and the base, the steel plate is provided with a plurality of through holes, and the through holes are correspondingly arranged with the positioning holes.

[0016] The beneficial effects of the present application are as follows:

[0017] The multi-cavity aspherical lens mold forming device provided by the present application sets a base plate and a base, and the mold pressing jig is positioned and installed on the base. When disassembling, the corresponding parts can be placed in the corresponding limiting accommodation grooves, so that the loss of parts or the disorder of installation sequence can be avoided, and the disassembly and assembly efficiency of the workers can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present application;

[0019] Figure 2 It is an exploded structural schematic diagram of the present application;

[0020] Figure 3 It is a sectional view of the present application;

[0021] Figure 4 It is a structural schematic diagram of the base and the steel plate of the present application;

[0022] Figure 5 It is a structural schematic diagram of the base plate of the present application;

[0023] Figure 6 Structural schematic diagram of the positioning pin of the present utility model;

[0024] Figure 7 Structural schematic diagram of the mold base of the present utility model.

[0025] In Figures 1 to 7 the attached drawings, the reference numerals include:

[0026] 1 - bottom plate, 2 - base, 3 - mold base, 4 - mold cavity, 5 - limit placement groove, 6 - upper mold, 7 - lower mold, 8 - sleeve, 9 - upper mold cavity, 10 - lower mold cavity, 11 - positioning hole, 12 - positioning pin, 13 - fixing hole, 14 - limit ring, 15 - clamping groove, 16 - limit plate, 17 - steel plate, 18 - through hole, 19 - lens bracket. Specific embodiments

[0027] For the convenience of understanding by those skilled in the art, the present utility model will be further described below in conjunction with embodiments and the attached drawings. The content mentioned in the embodiments does not limit the present utility model. The present utility model will be described in detail below with reference to the attached drawings.

[0028] A multi - cavity aspherical lens molding device provided in this embodiment, as Figures 1 to 7 , includes a bottom plate 1, a base 2 and a molding fixture. The base 2 is installed on the bottom plate 1. The molding fixture includes a mold base 3 and a molding component. The mold base 3 is provided with a plurality of mold cavities 4, and the mold cavities 4 are assembled with the molding component. The bottom plate 1 is provided with a plurality of limit placement grooves 5, and the plurality of limit placement grooves 5 are respectively used for placing the molding component and the mold base 3.

[0029] Specifically, as Figure 2 shown, there are a plurality of mold cavities 4 and molding components. If three groups are set, the mold base 3 of this embodiment is set in a similar triangular shape, which can control the volume of the mold base 3 within a more appropriate range. The setting of the base 2 can make the molding fixture have a fixed installation position. When installing, the staff can install the molding fixture on the base 2. When disassembling, the staff can place the disassembled parts in the corresponding limit placement grooves 5 in sequence, thus avoiding the loss of parts. And when assembling again, the staff can install the parts in place in sequence, which can effectively reduce the time for the staff to mark or label the installation positions of the parts, and there is no need to spend time looking for the corresponding parts. Thus, while avoiding the loss of parts, it can also effectively improve the disassembly and assembly efficiency of the staff, and can also avoid increasing the cost of the molding fixture.

[0030] The mold pressing assembly of the embodiment comprises an upper die 6, a lower die 7, and a sleeve 8. The upper die 6 is provided with an upper die cavity 9, the lower die 7 is provided with a lower die cavity 10, and a mold cavity for lens mold pressing is formed between the upper die cavity 9 and the lower die cavity 10. The sleeve 8 is arranged in the mold cavity 4 and the outer wall of the sleeve 8 is attached to the inner wall of the mold cavity 4. The lower die 7 is arranged at one end of the sleeve 8, and the upper die 6 is slidingly arranged at the other end of the sleeve 8 and located at the opening of the mold cavity 4.

[0031] Specifically, the shapes of the upper die 6 and the lower die 7 are as shown in Figure 2 and Figure 3 The upper die 6 is provided with an upper die cavity 9, and the lower die 7 is provided with a lower die cavity 10. When the mold is closed, the upper die cavity 9 and the lower die cavity 10 form a mold cavity for forming a lens. The upper die 6 can be connected to an external lifting structure, and the lifting work of the upper die 6 is controlled by the external structure, thereby realizing the effect of mold pressing. In this embodiment, a high-temperature mold pressing forming method is preferably adopted. During mold pressing, the corresponding lens support 19 is sleeved on the lower die 7, and the corresponding glass ball to be mold pressed is placed in the lower die cavity 10. Then, the upper die 6 is controlled to descend for mold pressing, thereby forming the corresponding lens. When the formed lens is taken out, the mold pressing jig needs to be disassembled. At this time, the removed upper die 6, sleeve 8, etc. can be placed in the corresponding limiting and arranging groove 5. When the lens is taken out and needs to be reassembled, the parts are assembled and reset to the mold base 3 in the order of the limiting and arranging groove 5, thereby reducing the time for identifying the parts by the workers.

[0032] As shown in Figure 2 The base 2 is provided with at least two limiting plates 16. Preferably, after the mold base 3 is installed on the base 2, the limiting plates 16 are attached to the outer periphery of the mold base 3, thereby preventing the mold base 3 from moving and also serving as the positioning of the mold base 3. The base 2 is provided with a plurality of positioning holes 11, and the positioning holes 11 are fitted with positioning pins 12. The lower die 7 is provided with fixing holes (not shown in the drawings), and the positioning pins 12 are inserted into the fixing holes. The base 2 is provided with a steel plate 17 located between the mold base 3 and the base 2. The steel plate 17 is provided with a plurality of through holes 18 corresponding to the positioning holes 11. Specifically, the steel plate 17 is installed below the mold base 3. After the positioning pins 12 pass through the steel plate 17, they are inserted into the fixing holes of the lower die 7, thereby achieving the positioning of the lower die 7. During mold pressing, the lower die 7 does not move, thereby ensuring the mold pressing quality of the product. In addition, the steel plate 17 is detachably arranged below the mold base 3 instead of being integrally connected to the mold base 3, thereby facilitating the disassembly and assembly of the upper die 6, the lower die 7, and other parts. Figure 4 and Figure 6As shown, the positioning pin 12 is provided with a limiting ring 14, the positioning hole 11 is provided with a clamping groove 15, the limiting ring 14 is located in the clamping groove 15, the positioning pin 12 can be moved upward, but is limited by the clamping groove 15, the positioning pin 12 cannot fall off, thus the situation that the positioning pin 12 is lost can be avoided, the normal positioning effect on the lower mold 7 is ensured, and the stability of product mold pressing is further improved.

[0033] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent to the above embodiment. Any simple modification, equivalent change and modification of the above embodiment according to the present application are within the scope of the present application.

Claims

1. A multi-cavity aspherical lens molding apparatus, characterized in that: The utility model provides a lens moulding device, including bottom plate, base and moulding fixture, the base is equipped with bottom plate, the moulding fixture includes mould base and moulding assembly, the mould base is equipped with a plurality of mould cavities, the mould cavity is assembled with moulding assembly, the bottom plate is equipped with a plurality of limiting installation slot, a plurality of limiting installation slot are used for placing moulding assembly and mould base respectively.

2. The apparatus for molding a multi-molded aspherical lens according to claim 1, wherein: The moulding assembly includes upper die, lower die and sleeve, the upper die is equipped with upper die hole, the lower die is equipped with lower die hole, the upper die hole and lower die hole form the mould hole for lens moulding forming between the upper die hole and lower die hole, the sleeve is equipped in the mould cavity and the outer wall of sleeve and the inner wall of mould cavity are attached, the lower die is equipped with one end of sleeve, the upper die is equipped with the other end of sleeve and the upper die is located in the cavity mouth of mould cavity.

3. The apparatus for molding a multi-molded aspherical lens according to claim 2, wherein: The base is equipped with a plurality of positioning holes, the positioning hole is assembled with positioning pin, the lower die is equipped with fixed hole, the positioning pin is inserted in the fixed hole.

4. The apparatus for molding a multi-molded aspherical lens of claim 3, wherein: The positioning pin is provided with a limiting ring, the positioning hole is provided with a clamping groove, and the limiting ring is located in the clamping groove.

5. The apparatus for molding a multi-molded aspherical lens of claim 1, wherein: The base is equipped with a limiting plate, the mould base is equipped with the base, and the limiting plate is located on the outer wall of the mould base.

6. The apparatus for molding a multi-molded aspherical lens of claim 5, wherein: The radial section of the mould base is triangular, the limiting plate is provided with at least two, and the limiting plate is attached to the outer wall of the mould base.

7. The apparatus for molding a multi-molded aspherical lens of claim 3, wherein: The base is equipped with a steel plate, the steel plate is located between the mould base and the base, the steel plate is equipped with a plurality of through holes, and the through hole is correspondingly provided with the positioning hole.

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