CN106116118A - Optical aspherical surface glass molds press forming device - Google Patents

Abstract

The invention is applicable to the technical field of glass molding, and discloses an optical aspheric glass molding equipment, comprising a frame, an upper mold assembly fixed in the frame, and a lower mold assembly connected below the upper mold assembly , a heating device arranged between the upper mold assembly and the lower mold assembly, and one end is connected below the lower mold assembly, the other end is fixed on the bottom of the frame and is used to drive the lower mold assembly up and down The driving assembly that moves to realize mold closing and mold opening; the frame includes a square main bracket, and claw-shaped brackets arranged inside the two ends of the main bracket, and the upper mold assembly and the driving assembly are respectively fixed On claw brackets at both ends of the frame. The present invention has improved the force condition of the frame well, reduced the deformation of the frame, and enhanced the stability of the equipment; the forces of the whole machine are all canceled out in the frame, and there is no force on the ground except gravity. force.

Description

Optical aspheric glass molding equipment

technical field

The invention belongs to the technical field of glass compression molding, in particular to an optical aspherical glass compression molding equipment.

Background technique

Optical glass lens molding technology is a high-precision optical element processing technology. It puts softened glass into a high-precision mold, and under the conditions of heating, pressure and oxygen-free, it is directly molded at one time. Optical parts required. The popularization and application of this technology is a major revolution in the optical industry in the processing of optical glass parts. Because this technology can directly press and form precise aspheric optical parts, it has created an era in which optical instruments can widely use aspheric glass optical parts. Therefore, it also brings new changes and developments to the optical system design of optoelectronic instruments, which not only reduces the size and weight of optical instruments, saves materials, reduces the workload of optical parts coating and workpiece assembly, and reduces costs , but also improved the performance of optical instruments and improved the quality of optical imaging.

At present, the optical glass lens molding equipment is subject to high pressure during the molding process, which causes the frame to easily deform, which in turn affects the molding accuracy of the glass lens.

Contents of the invention

The object of the present invention is to overcome the defects in the prior art that the molding accuracy is affected by the deformation of the frame of the molding equipment, and to provide an optical aspheric glass molding equipment, which improves the stress of the frame and reduces the The amount of deformation of the rack enhances the stability of the equipment.

The technical solution of the present invention is to provide an optical aspherical glass molding equipment, including a frame, an upper mold assembly fixed in the frame, a lower mold assembly connected below the upper mold assembly, and a The heating device between the upper mold assembly and the lower mold assembly, and one end connected below the lower mold assembly, the other end fixed on the bottom of the frame and used to drive the lower mold assembly to move up and down to achieve The driving assembly for mold closing and mold opening; the frame includes a square main bracket, and claw-shaped brackets arranged on the inner sides of both ends of the main bracket, and the upper mold assembly and the driving assembly are respectively fixed on the on the claw brackets at both ends of the rack.

The optical aspherical glass molding equipment of the present invention has the following beneficial effects: a claw-shaped bracket is respectively arranged on the top and bottom of the frame, which improves the stress of the frame well, reduces the deformation of the frame, and enhances the strength of the frame. The stability of the equipment; the force of the whole machine is offset in the frame, and there is no force on the ground except gravity.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is the front view of the rack that the embodiment of the present invention provides;

Fig. 2 is a top view of the rack provided by the embodiment of the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that when an element is referred to as being "fixed" or "disposed on" another element, it may be directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It should also be noted that the orientation terms such as left, right, up, and down in the embodiments of the present invention are only relative concepts or refer to the normal use state of the product, and should not be regarded as restrictive .

The optical aspherical glass compression molding equipment provided by the embodiment of the present invention includes a machine frame, an upper mold assembly, a lower mold assembly, a heating device and a driving assembly. Among them, the frame can be formed by casting or welding. The upper mold assembly is fixed in the frame and is located at one end of the frame. The lower mold assembly is connected below the upper mold assembly and can move up and down relative to the upper mold assembly. Clamping and opening of mold components and lower mold components. The heating device is arranged between the upper mold assembly and the lower mold assembly, and is used for heating the mold. The driving assembly is arranged below the lower mold assembly, and one end is connected with the lower mold assembly, and the other end is fixed on the bottom of the frame, that is, the end of the frame is away from the upper mold assembly. Molding and mold opening. The compression molding equipment of the embodiment of the present invention can form ultra-precision optical glass elements at one time. Compared with the traditional glass lens processing technology, the glass thermocompression molding technology has one-time compression molding, high material utilization rate, precise control of compression molding, and optical components. High precision, easy mass production. In addition, the glass optical components manufactured by using this equipment have high precision, and the stability and reliability of the equipment are relatively high, and multiple molds can be produced according to the size of the mold and components.

Specifically, as shown in Fig. 1 and Fig. 2, the frame includes a square main bracket 10, and claw-shaped brackets 20 arranged inside the two ends of the main bracket 10, and the above-mentioned upper mold assembly and the drive assembly are respectively fixed on both sides of the frame. On the claw bracket 20 at the end. In the embodiment of the present invention, a claw-shaped bracket 20 is respectively arranged on the top and bottom of the frame, which greatly improves the stress situation of the frame, reduces the deformation of the frame, and enhances the stability of the equipment; The inside of the frame cancels each other, and there is no force on the ground except gravity.

Further, the main support 10 includes a plurality of columns 11 and two horizontal frames 12 . Wherein, a plurality of columns 11 are vertically connected between two horizontal frames 12 . The horizontal frame 12 is square, so four uprights 11 are provided to connect between two horizontal frames 12 , and then combined into a square main support 10 . Moreover, in order to enhance the strength of the main support 10 , a base beam 121 is provided in the horizontal frame 12 , and the base beam 121 includes two crossed sets, and the two ends are respectively connected to opposite corners of the horizontal frame 12 .

Further, the frame further includes a force transmission column 30 , one end of the force transmission column 30 is fixedly connected to the intersection point of the base beam 121 , that is, the center, and the other end is fixedly connected to the claw-shaped bracket 20 . The force transmission column 30 is used to transmit part of the force borne by the claw-shaped bracket 20 to the main bracket 10, thereby realizing force distribution.

Further, the claw-shaped bracket 20 includes a plurality of force component claws 21 and a force-receiving platform 22 . Wherein, the force component claws 21 are arranged inwardly at the junction of the horizontal frame 12 and the column 11, and the force platform 22 is connected to the ends of the multiple force component claws 21 away from the horizontal frame 12, thereby forming a claw-shaped bracket. The above-mentioned upper mold assembly and driving assembly are respectively fixed on the force bearing platforms 22 at both ends of the frame, through which the force is transmitted to the force component claws 21 and the force is further dispersed. One end of the above-mentioned force transmission column 30 is fixedly connected to the intersection point of the base beam 121 , that is, the center, and the other end is fixedly connected to the force receiving platform 22 .

Preferably, the angle between the force component claw 21 and the horizontal frame 12 is 30° to 60°. Further preferably, the angle between the force component claw 21 and the horizontal frame 12 is 45°, so as to fully disperse the force.

Further, the main support 10 also includes a plurality of crossbeams 13 connected between two adjacent columns 11 and arranged horizontally. The crossbeams 13 are used to enhance the strength of the main support 10 .

Further, in order to enhance the structural strength of the entire rack, reinforcing ribs are provided at the joints of the upright column 11 and the horizontal frame 12 and the joints of the upright column 11 and the crossbeam 13 .

Further, in an embodiment of the present invention, the main bracket 10 and the claw bracket 20 are integrally formed by casting. In another embodiment of the present invention, the main bracket 10 and the claw bracket 20 are fixedly connected together by welding.

In summary, the driving device of the embodiment of the present invention pushes the lower mold assembly to move upward to realize glass molding, and the molding pressure is finally transmitted to the upper and lower ends of the frame. Offset, the force on the frame is transmitted from the force platform 22 to the base beam 121 and each column 11 and beam 13 through the force component claw 21 and the force transmission column 30. The force component claw 21 is used to decompose the force into pairs of base beams. The force of 121 and the pressure directly on the column 11 and the beam 13 can enhance the stability of the frame; in addition, because the design is completely internal force of the frame, so as long as the wheels are installed on the lower end of the frame, the whole equipment will be It is very convenient to move freely.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement or improvement made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. an optical aspherical surface glass molds press forming device, it is characterised in that include frame, be fixed in described frame upper Die assembly, it is connected to the lower mold assembly below described mold assembly, is arranged on described mold assembly and lower mold group Heater between part, and one end is connected to the lower section of described lower mold assembly, the other end is fixed on the end of described frame Portion and for drive described lower mold assembly move up and down with the driving assembly realizing matched moulds and die sinking；Described frame includes in side The main support of shape, and it is arranged on the claw type support inside described main support two ends, described mold assembly and described driving group Part is separately fixed on the claw type support at described frame two ends.

2. optical aspherical surface glass molds press forming device as claimed in claim 1, it is characterised in that described main support includes putting down Many root posts that row is arranged, and it is connected to the two ends of many described columns and the horizontal frame being square.

3. optical aspherical surface glass molds press forming device as claimed in claim 2, it is characterised in that set in described horizontal frame It is equipped with base beam.

4. optical aspherical surface glass molds press forming device as claimed in claim 3, it is characterised in that described frame also includes Holding the center with described base beam to fix to be connected, the other end fixes, with described claw type support, the force-transmitting pole being connected.

5. optical aspherical surface glass molds press forming device as claimed in claim 2, it is characterised in that described claw type support includes The many component pawls being arranged on described horizontal frame with the junction of column that slope inwardly, and it is connected to many described component pawls It is separately fixed at described machine away from the stress platform of one end of described horizontal frame, described mold assembly and described driving assembly On the stress platform at frame two ends, described force-transmitting pole is connected with described stress platform away from one end of described base beam.

6. optical aspherical surface glass molds press forming device as claimed in claim 5, it is characterised in that described component pawl is with described Angle between horizontal frame is 30 ° to 60 °.

7. optical aspherical surface glass molds press forming device as claimed in claim 2, it is characterised in that described main support also includes Many are connected between the described column of adjacent two piece and horizontally disposed crossbeam.

8. optical aspherical surface glass molds press forming device as claimed in claim 7, it is characterised in that described column and described water The junction of the junction of flat frame and described column and described crossbeam is provided with reinforcement.

9. optical aspherical surface glass molds press forming device as claimed in claim 1, it is characterised in that described main support is with described Claw type support is by casting integrated molding.

10. optical aspherical surface glass molds press forming device as claimed in claim 1, it is characterised in that described main support and institute State claw type support to be fixedly connected by welding together.