Aspheric glass forming mold

Abstract

The utility model discloses an aspheric glass forming die which comprises a fixed base used for supporting, three groups of shaping sliding grooves are symmetrically formed in the upper end face of the fixed base, three groups of guiding sliding shafts are symmetrically arranged on the upper end face of the fixed base, and supporting clamping plates are fixedly installed on the upper end faces of the guiding sliding shafts. By arranging the multiple sets of shaping devices and the supporting devices, multiple sets of aspheric glass workpieces can be subjected to shaping operation in one-time shaping procedure, the efficiency of machining the workpieces in batches by the equipment is effectively improved, meanwhile, the machining efficiency is improved through limiting of the two sets of limiting guide plates and the positioning sliding grooves, and the machining precision is improved. According to the molding device, the precision of subsequent alignment molding of the molding bottom molds and the molding molds can be improved, then the molding stability of the glass workpiece is improved, the two sets of molding bottom molds can be automatically separated from the workpiece under the elastic force of the reset springs after being molded, meanwhile, the supporting guide mold can stably support the workpiece, and the production efficiency is improved. And the convenience and the stability of automatic blanking of the workpiece by the subsequent die are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass forming equipment technical field, concretely is a kind of aspheric glass forming mould. BACKGROUND

[0002] Aspheric glass forming mould is the key tool for manufacturing aspheric glass lens, and is widely used in optical instruments, photographic equipment, glasses manufacturing and other fields, especially in high-end camera lens, telescope, microscope and other optical instruments, the application of aspheric glass lens is indispensable.

[0003] As the publication number: CN219194810U, the utility model patent disclosed a one-mold four-cavity aspheric glass forming mould, including lower die seat, lower die and upper die, lower die seat is square, lower die seat is spaced apart and has four positioning holes in the center, lower die includes the base of the size of positioning hole, the first forming part extending upward from the base and the sleeve between the outer wall of base and the inner wall of positioning hole, and upper die includes gasket with larger diameter than guide channel and second forming part extending downward from gasket. First, four positioning holes are arranged in lower die seat, four aspheric glass lenses are formed at the same time, the structure can make upper die more uniform under the action of upper pressure machine, for example, the gravity point of pressure machine is arranged at the middle position of positioning plate, and the pressure insertion stroke of four second forming parts is kept consistent by the abutment of gasket and sleeve top wall, so as to ensure the consistency of product.

[0004] Although the above mould can simultaneously shape multiple groups of aspheric glass lenses, it is too complex to discharge the lenses, and it is not convenient to quickly discharge the aspheric glass lenses formed by pressing, which reduces the practicality of the equipment, so there is an urgent need for an aspheric glass forming mould to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an aspheric glass forming mould to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: an aspheric glass forming mould, comprising a fixing base for supporting, three groups of shaping sliding grooves are symmetrically arranged on the upper end surface of the fixing base, three groups of guide sliding shafts are symmetrically arranged on the upper end surface of the fixing base, and a supporting clamping plate is fixedly installed on the upper end surface of the guide sliding shaft,

[0007] A pressing cylinder is fixedly arranged at the center of the upper end face of the support clamping plate, and a cylinder push rod is arranged at the lower end face of the pressing cylinder, and a support sliding seat is fixedly arranged at the center of the lower end face of the cylinder push rod;

[0008] Six groups of shaping devices are equidistantly arranged at the lower end face of the support sliding seat.

[0009] Six groups of support devices are slidingly clamped at the inner end face of the shaping sliding groove, and support guide dies are arranged in the interiors of two opposite support devices.

[0010] Preferably, the shaping device comprises a fixed clamping plate, a spring clamping seat is fixedly arranged at the center of the lower end face of the fixed clamping plate, limit guide plates are symmetrically arranged at the side end faces of the spring clamping seat, and a shaping die is fixedly arranged at the center of the lower end face of the spring clamping seat.

[0011] Preferably, the support device comprises a shaping bottom die, two groups of return springs are symmetrically arranged at the rear end face of the shaping bottom die, a shaping cavity is arranged at the center of the upper end face of the shaping bottom die, a material guiding sliding groove is arranged at the center of the bottom of the shaping cavity, and a positioning sliding groove is arranged at the center of the rear end face of the shaping bottom die.

[0012] Preferably, the shaping bottom die is slidingly clamped at the inner end face of the fixed base through the shaping sliding groove, and the return springs are fixedly connected with the inner wall of the shaping sliding groove, so that the return springs can provide sufficient elastic force for the separation of the subsequent two groups of shaping bottom dies, thereby improving the automatic material guiding efficiency after the subsequent shaping of the glass workpiece.

[0013] Preferably, the two groups of shaping bottom dies are sealingly and fixedly clamped with the support guide die through the material guiding sliding groove, and the two groups of shaping bottom dies and the support guide die can jointly form a shaping bottom die, and after the two groups of shaping bottom dies are separated, the support guide die can support the shaped glass workpiece, facilitating subsequent discharging.

[0014] Preferably, the spring clamping seat is slidingly clamped with the shaping bottom die through the limit guide plate and the positioning sliding groove, and when the spring clamping seat drives the shaping die and the limit guide plate to synchronously descend during the shaping of the aspherical glass workpiece, the limit guide plate can close the two groups of shaping bottom dies through the positioning sliding groove, thereby improving the stability of subsequent shaping.

[0015] Compared with the prior art, the beneficial effects of the present application are as follows:

[0016] 1.The utility model discloses a plurality of groups of plastic devices and supporting devices are set up, can be shaped operation to a plurality of groups of aspheric glass workpieces in one shaping process, effectively improve the efficiency of equipment to batch workpiece processing, the limit of two groups of limiting guide plates and positioning sliding groove can improve the accuracy of the subsequent plastic bottom die and plastic mold alignment shaping, and further improve the stability of glass workpiece shaping, and two groups of plastic bottom die can be shaped under the elastic force of reset spring and workpiece automatic separation, and supporting guide die can stably support workpiece, effectively improve the convenience and stability of subsequent mold automatic blanking to workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the split diagram of the main body of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the main body of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the plastic device of the utility model;

[0020] Figure 4 It is the structure schematic diagram of the supporting device of the utility model.

[0021] In the drawing: 1-plastic sliding groove, 2-cylinder push rod, 3-pressing cylinder, 4-supporting sliding seat, 5-plastic device, 6-supporting clamping plate, 7-guiding sliding shaft, 8-supporting guide die, 9-supporting device, 10-fixed base, 51-fixed clamping plate, 52-spring clamping seat, 53-limiting guide plate, 54-plastic mold, 91-feeding sliding groove, 92-plastic cavity, 93-plastic bottom die, 94-reset spring, 95-positioning sliding groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: an aspheric glass forming mold, including the fixed base 10 for supporting, the upper end surface of fixed base 10 is opened with three groups of plastic sliding grooves 1, is provided with three groups of guiding sliding shafts 7 on the upper end surface of fixed base 10, and is fixedly installed with supporting clamping plate 6 on the upper end surface of guiding sliding shaft 7,

[0024] The pressing cylinder 3 is fixedly arranged at the center of the upper end face of the support clamping plate 6, and a cylinder push rod 2 is arranged at the lower end face of the pressing cylinder 3. A support sliding seat 4 is fixedly arranged at the center of the lower end face of the cylinder push rod 2.

[0025] The shaping device 5 is arranged at the lower end face of the support sliding seat 4.

[0026] The support device 9 is arranged at the inner end face of the shaping sliding groove 1, and a support guide mold 8 is arranged in the two opposite support devices 9.

[0027] The shaping device 5 comprises a fixed clamping plate 51, a spring clamping seat 52 is fixedly arranged at the center of the lower end face of the fixed clamping plate 51, limit guide plates 53 are symmetrically arranged at the side end faces of the spring clamping seat 52, and a shaping mold 54 is fixedly arranged at the center of the lower end face of the spring clamping seat 52.

[0028] The support device 9 comprises a shaping bottom mold 93, two groups of return springs 94 are symmetrically arranged at the rear end face of the shaping bottom mold 93, a shaping cavity 92 is arranged at the center of the upper end face of the shaping bottom mold 93, a material guiding sliding groove 91 is arranged at the center of the bottom of the shaping cavity 92, and a positioning sliding groove 95 is arranged at the center of the rear end face of the shaping bottom mold 93.

[0029] The shaping bottom mold 93 is slidably clamped at the inner end face of the fixed base 10 through the shaping sliding groove 1, the return springs 94 are fixedly connected with the inner wall of the shaping sliding groove 1, the return springs 94 can provide sufficient elastic force for the separation of the subsequent two groups of shaping bottom molds 93, thereby improving the automatic material guiding efficiency after the shaping of the glass workpiece.

[0030] The two groups of shaping bottom molds 93 are sealingly and fixedly clamped with the support guide mold 8 through the material guiding sliding groove 91, the two groups of shaping bottom molds 93 and the support guide mold 8 can jointly form a shaping bottom mold, and after the two groups of shaping bottom molds 93 are separated, the support guide mold 8 can support the shaped glass workpiece, facilitating subsequent discharging.

[0031] The spring clamping seat 52 is slidably clamped with the shaping bottom mold 93 through the limit guide plate 53 and the positioning sliding groove 95, and when the spring clamping seat 52 drives the shaping mold 54 and the limit guide plate 53 to move downward synchronously during the shaping of the aspherical glass workpiece, the limit guide plate 53 can close the two groups of shaping bottom molds 93 through the positioning sliding groove 95, thereby improving the stability of subsequent shaping.

[0032] Working principle: when the aspheric glass workpiece is processed, the operator can position the external feeding module to the two sides of the fixed base 10, which facilitates subsequent rapid feeding operation, when the workpiece is processed, the operator can guide the raw material to the upper part of the supporting guide die 8, and then the pressing cylinder 3 can be started, at this time the pressing cylinder 3 can drive the supporting sliding seat 4 to move down through the cylinder push rod 2, the supporting sliding seat 4 can drive the six groups of shaping devices 5 to move down synchronously, the shaping devices 5 can be limited by the two groups of limiting guide plates 53 and the limiting fitting of the positioning sliding groove 95 when moving down, thereby driving the two groups of shaping bottom dies 93 to close the outside of the supporting guide die 8, thereby forming the shaping bottom die, then the shaping die 54 moves down to the inside of the shaping cavity 92, thereby shaping the raw material, after shaping, the pressing cylinder 3 resets, at this time the two groups of limiting guide plates 53 release the limiting of the shaping bottom die 93, so that the two groups of shaping bottom dies 93 are automatically reset under the elastic force of the reset spring 94, at the same time the supporting guide die 8 can support the workpiece shaped, which facilitates the external equipment to guide the workpiece out.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A non-spherical glass forming mold, comprising a fixed base (10) for support, the upper end of the fixed base (10) is symmetrically provided with three sets of shaping sliding grooves (1), three sets of guide sliding shafts (7) are symmetrically arranged at the upper end of the fixed base (10), and a support clamping plate (6) is fixedly installed at the upper end of the guide sliding shaft (7); characterized in that: a pressing cylinder (3) is fixedly arranged at the center of the upper end of the support clamping plate (6), and a cylinder push rod (2) is arranged at the lower end of the pressing cylinder (3), and a support sliding seat (4) is fixedly arranged at the center of the lower end of the cylinder push rod (2); six sets of shaping devices (5) are arranged at the lower end of the support sliding seat (4) at equal intervals; six sets of support devices (9) are slidingly clamped at the inner end surface of the shaping sliding groove (1), and a support guide mold (8) is arranged inside two opposite support devices (9).

2. The aspherical glass forming mold according to claim 1, wherein: The shaping device (5) comprises a fixed clamping plate (51), a spring clamping seat (52) is fixedly arranged at the center of the lower end of the fixed clamping plate (51), limit guide plates (53) are symmetrically arranged at the side end surface of the spring clamping seat (52), and a shaping mold (54) is fixedly arranged at the center of the lower end of the spring clamping seat (52).

3. The aspherical glass forming mold according to claim 2, wherein: The support device (9) comprises a shaping bottom mold (93), two sets of reset springs (94) are symmetrically arranged at the rear end surface of the shaping bottom mold (93), a shaping cavity (92) is arranged at the center of the upper end of the shaping bottom mold (93), a material guide sliding groove (91) is arranged at the center of the bottom of the shaping cavity (92), and a positioning sliding groove (95) is arranged at the center of the rear end surface of the shaping bottom mold (93).

4. The aspherical glass forming mold according to claim 3, wherein: The shaping bottom mold (93) is slidingly clamped in the inner end surface of the fixed base (10) through the shaping sliding groove (1), and the reset spring (94) is fixedly connected with the inner wall of the shaping sliding groove (1).

5. The aspherical glass forming mold according to claim 3, wherein: Two sets of the shaping bottom mold (93) are sealingly and fixedly clamped with the support guide mold (8) through the material guide sliding groove (91).

6. The aspherical glass forming mold according to claim 3, wherein: The spring clamping seat (52) is adapted with the positioning sliding groove (95) through the limit guide plate (53), and is further slidingly clamped with the shaping bottom mold (93).

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