CN216236666U - Device for forming optical glass groove - Google Patents

Abstract

The utility model belongs to the technical field of glass forming, and particularly discloses a device for forming an optical glass groove sink, which is simple in structure and basically does not generate material waste when a round cake-shaped optical glass material is produced. The device for forming the optical glass groove sink mainly comprises a bottom die, a die frame assembly and side dies, has simple structure, low manufacturing cost and convenient assembly, and when the device is used for producing a round cake-shaped optical glass material, a strip-shaped optical glass material meeting the quality and volume requirements is placed between the two side dies, the strip-shaped optical glass material is heated and softened to enable the strip-shaped optical glass material to have plasticity, then the two side dies are relatively close to each other through external force, and the strip-shaped optical glass material can be formed into the round cake-shaped optical glass material under the extrusion forming action of a forming arc surface; the whole forming process only needs two-person operation, is convenient and quick to operate, safe and reliable, does not need special equipment, does not produce material waste, and is particularly suitable for quick production of small-demand round cake-shaped optical glass materials.

Description

Device for forming optical glass groove

Technical Field

The utility model belongs to the technical field of glass forming, and particularly relates to a device for forming an optical glass groove sink.

Background

The demand of optical glass materials on the market is mostly in the shape of round cakes, but the quantity demand of some customers is not large, and the quantity demand is as small as several pieces and dozens of kilograms. Currently, for the production of a disk-shaped optical glass material, there are generally two ways: firstly, producing a strip material meeting the size requirement, and then cutting and grinding the strip material into a round cake-shaped product; secondly, the forming equipment of the production line is transformed on a large scale, and a cake-shaped mould is used at the forming position for dropping forming. In the first production mode, the specification of the strip material is changed through the processes of replacing a die, adjusting the process and the like, so that more molding waste products are generated, and the material is wasted due to cutting and grinding; the second production method increases the production time and labor cost, and is not suitable for the production of a small amount of the disk-shaped optical glass material.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for forming an optical glass groove sink, which has a simple structure and does not generate material waste basically when a round cake-shaped optical glass material is produced.

The technical scheme adopted by the utility model for solving the technical problems is as follows: device is used in shaping is sunk in optical glass groove, including the die block, be provided with the framed subassembly on the die block, framed subassembly and die block enclose into the spacing groove, be provided with two side forms that can be close to relatively or keep away from in the spacing groove, two side forms corresponding side each other are the shaping cambered surface.

Further, the bottom die is made of a heat-resistant cast iron plate.

Further, the die frame assembly comprises two transverse die frames arranged on the bottom die at intervals and two longitudinal die frames arranged on the bottom die and located between the two transverse die frames, and the end portions of the longitudinal die frames are connected with the transverse die frames through fixing assemblies.

Further, the transverse mould frame is a rectangular frame made of stainless steel rectangular pipes.

Further, the longitudinal mold frame is arranged along the movement direction of the side mold and comprises a longitudinal rectangular frame and an anti-overflow plate arranged on the inner side of the longitudinal rectangular frame.

Further, the longitudinal rectangular frame is made of stainless steel rectangular pipes, and the anti-overflow plate is made of heat-resistant stainless steel plates.

Further, the fixing assembly comprises two die frame fixing blocks arranged on the transverse die frame at intervals, and the end part of the longitudinal die frame is arranged between the two die frame fixing blocks.

Further, the forming arc surface is an arc surface with a horizontal section in a semicircular shape.

Further, the side form includes the arc and sets up the tailboard on the lateral surface of arc, the shaping cambered surface is the medial surface of arc.

Further, a counterweight is placed on the tail plate.

The utility model has the beneficial effects that: the device for forming the optical glass groove sink mainly comprises a bottom die, a die frame assembly and side dies, has simple structure, low manufacturing cost and convenient assembly, and when the device is used for producing a round cake-shaped optical glass material, a strip-shaped optical glass material meeting the quality and volume requirements is placed between the two side dies, the strip-shaped optical glass material is heated and softened to enable the strip-shaped optical glass material to have plasticity, then the two side dies are relatively close to each other through external force, and the strip-shaped optical glass material can be formed into the round cake-shaped optical glass material under the extrusion forming action of a forming arc surface; the whole forming process only needs two-person operation, is convenient and quick to operate, safe and reliable, does not need special equipment, does not produce material waste, and is particularly suitable for quick production of small-demand round cake-shaped optical glass materials. Through the longitudinal mold frame with the overflow prevention plate, adverse conditions such as side mold deviation and glass overflow can be effectively avoided during operation.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic diagram of an embodiment of a transverse mold frame;

FIG. 4 is a schematic diagram of an embodiment of a longitudinal mold frame;

FIG. 5 is a schematic diagram of an embodiment of a fixing block of a mold frame;

FIG. 6 is a schematic diagram of an embodiment of a side mold;

labeled as: the mold comprises a bottom mold 100, a limiting groove 210, a transverse mold frame 220, a longitudinal mold frame 230, a longitudinal rectangular frame 231, an anti-overflow plate 232, a mold frame fixing block 240, a side mold 300, an arc plate 310, a forming arc surface 311, a tail plate 320 and a strip-shaped optical glass material 400.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, the device for optical glass groove sinking forming comprises a bottom die 100, wherein a die frame assembly is arranged on the bottom die 100, a limiting groove 210 is formed by the die frame assembly and the bottom die 100 in an enclosing manner, two side dies 300 which can be relatively close to or far away from the limiting groove 210 are arranged in the limiting groove 210, and the side surfaces of the two side dies 300 which correspond to each other are forming arc surfaces 311.

The device for forming the optical glass groove sink is generally designed and manufactured according to the size of a cake-shaped optical glass material to be formed, and has the advantages of simple structure, low manufacturing cost, convenience in assembly and the like; when the device for optical glass tank sinking forming is favorable for producing the round cake-shaped optical glass material, the bottom die 100 is firstly placed in a working place, and a layer of boron nitride release agent is coated on the upper surface of the bottom die 100; then, a strip-shaped optical glass material 400 with a selected appropriate size is placed on the bottom mold 100 and between the two side molds 300, preferably such that the longitudinal axis and the transverse axis of the strip-shaped optical glass material 400 are on the same vertical plane with the longitudinal axis and the transverse axis of the bottom mold 100, respectively; then, the whole device is moved into a tank furnace with operation holes at two ends, and the temperature is raised according to the process of softening the strip-shaped optical glass material 400; when the temperature in the tank furnace reaches the tank forming temperature, the two side molds 300 are relatively close to each other by external force until the two side molds 300 are closed; and finally, standing for a period of time until the raised glass surface is flattened, and then starting to operate a cooling program to prepare the required disc-shaped optical glass material.

The bottom die 100 is a base body of the device and is mainly used for mounting other parts and placing the device; the bottom mold 100 is generally made of a material having a good thermal conductivity and a certain strength at a high temperature, and is preferably made of a heat-resistant cast iron plate; the bottom mold 100 may have various structures, preferably a rectangular shape, and has a length and width not exceeding those of the hearth of the tank furnace.

The mold frame assembly is mainly used for enclosing a space for placing and guiding the side mold 300 on the bottom mold 100 so as to be convenient for the side mold 300 to be matched with the bottom mold 100 to mold a round cake-shaped optical glass material; the size of the mold frame assembly is generally smaller than that of the bottom mold 100, and the structure may be various, and preferably, as shown in fig. 2, the mold frame assembly includes two transverse mold frames 220 spaced apart from each other on the bottom mold 100, and two longitudinal mold frames 230 spaced apart from each other on the bottom mold 100 and located between the two transverse mold frames 220, and ends of the longitudinal mold frames 230 are connected to the transverse mold frames 220 through fixing assemblies.

The transverse mold frame 220 is used as two end parts of the mold frame assembly and is mainly used for installing and fixing the longitudinal mold frame 230; the transverse form frame 220 may be made of various materials, preferably, as shown in fig. 3, the transverse form frame 220 is a rectangular frame made of stainless steel rectangular pipes; specifically, the transverse mold frame 220 is made of four stainless steel rectangular pipes by welding, the length of the transverse mold frame does not exceed the width of the bottom mold 100, and the height of the transverse mold frame does not exceed the height of a hearth of the tank sinking furnace.

The longitudinal mold frame 230 serves as two side members of the mold frame assembly, and serves to guide the side mold 300 mainly to prevent displacement thereof; the longitudinal mold frame 230 is generally disposed along the moving direction of the side molds 300, and may have various structures, and in order to prevent the softened glass from flowing out between the two side molds 300 during the production process, it is preferable that, as shown in fig. 4, the longitudinal mold frame 230 includes a longitudinal rectangular frame 231 and an anti-overflow plate 232 disposed inside the longitudinal rectangular frame 231; the longitudinal rectangular frame 231 and the anti-overflow plate 232 can be made of various materials, preferably, the longitudinal rectangular frame 231 is made of a stainless steel rectangular pipe, and the anti-overflow plate 232 is made of a heat-resistant stainless steel plate; specifically, the longitudinal rectangular frame 231 is formed by four stainless steel rectangular pipes, an anti-overflow plate 232 made of heat-resistant stainless steel plates is welded on the inner side of the longitudinal rectangular frame 231, and the length of the longitudinal mold frame 230 is not more than the length of the bottom mold 100, and the height of the longitudinal mold frame is not more than the height of a hearth of the tank sinking furnace. In order to facilitate the movement of the side mold 300, the vertical distance between the two longitudinal mold frames 230 is preferably 4 to 6mm larger than the diameter of the forming arc 311 of the side mold 300.

The fixing component is mainly used for connecting and fixing the end of the longitudinal mold frame 230 and the transverse mold frame 220, and may be various, for example: a buckle component, a connecting bolt, a connecting angle iron and the like; in order to facilitate the connection and fixation of the longitudinal mold frame 230 and improve the stability of the device, as shown in fig. 1, 2 and 5, the fixing assembly includes two mold frame fixing blocks 240 spaced apart from each other on the transverse mold frame 220, and the end of the longitudinal mold frame 230 is disposed between the two mold frame fixing blocks 240. The mold frame fixing block 240 is generally made of heat-resistant stainless steel, and can connect the transverse mold frame 220 and the longitudinal mold frame 230 together with bolts into a mold frame assembly of a desired width and length; the number of the mold frame fixing blocks 240 is selected according to the requirement, for example, eight mold frame fixing blocks 240 are used in the embodiment of fig. 2 for fixing.

The side mold 300 is mainly used for molding the softened strip-shaped optical glass material 400 into a cake-shaped optical glass material under the action of external force, and has a molding arc 311 which is preferably an arc with a semicircular horizontal section so as to improve the roundness of a molded product; side mold 300 is generally made of heat-resistant stainless steel; for convenience of operation, it is preferable that the side mold 300, as shown in fig. 2 and 6, includes an arc plate 310 and a tail plate 320 disposed on an outer side surface of the arc plate 310, and the molding arc 311 is an inner side surface of the arc plate 310.

The arc-shaped plate 310 is mainly used for forming products, the tail plate 320 is mainly used for improving the moving stability of the side die 300, and a counterweight is generally placed on the tail plate 320 when the end die is used; the counterweight is typically made of refractory material, preferably refractory brick of relatively high density, relatively low cost, and readily available. In the using process, after the temperature in the tank sinking furnace reaches the tank sinking forming temperature, a plurality of refractory bricks are placed on the tail plate 320 to be used as a balance weight; when two side molds 300 are operated to be relatively close to each other, two operators usually use push rods at two ends of the device respectively, the side molds 300 are alternately pushed through operation holes of the tank furnace in turn, namely one operator pushes the side molds for a certain distance at one end, the other operator pushes the side molds 300 at the opposite end, and the pushing are alternately carried out after 3-5 minutes; the function of the weights is to prevent sideform 300 from tilting inwardly during pushing of sideform 300.

Claims (10)

1. The device for forming the optical glass groove is characterized in that: including die block (100), be provided with the framed subassembly on die block (100), framed subassembly and die block (100) enclose into spacing groove (210), be provided with two side forms (300) that can be close to relatively or keep away from in spacing groove (210), two side forms (300) side corresponding each other are shaping cambered surface (311).

2. An apparatus for channel sinking optical glass as in claim 1 wherein: the bottom die (100) is made of a heat-resistant cast iron plate.

3. An apparatus for channel sinking optical glass as in claim 1 wherein: the die frame assembly comprises two transverse die frames (220) arranged on the bottom die (100) at intervals and two longitudinal die frames (230) arranged on the bottom die (100) at intervals and located between the two transverse die frames (220), and the end parts of the longitudinal die frames (230) are connected with the transverse die frames (220) through fixing assemblies.

4. An apparatus for forming an optical glass channel deposit as in claim 3 wherein: the transverse mould frame (220) is a rectangular frame made of stainless steel rectangular tubes.

5. An apparatus for forming an optical glass channel deposit as in claim 3 wherein: the longitudinal mold frame (230) is arranged along the movement direction of the side mold (300) and comprises a longitudinal rectangular frame (231) and an anti-overflow plate (232) arranged on the inner side of the longitudinal rectangular frame (231).

6. An apparatus for channel sinking optical glass as in claim 5 wherein: the longitudinal rectangular frame (231) is made of stainless steel rectangular tubes, and the anti-overflow plate (232) is made of heat-resistant stainless steel plates.

7. An apparatus for forming an optical glass channel deposit as in claim 3 wherein: the fixing assembly comprises two die frame fixing blocks (240) which are arranged on the transverse die frame (220) at intervals, and the end part of the longitudinal die frame (230) is arranged between the two die frame fixing blocks (240).

8. An apparatus for channel sinking optical glass as in claim 1 wherein: the forming arc surface (311) is an arc surface with a horizontal section in a semicircular shape.

9. An apparatus for channel forming an optical glass according to any of claims 1 to 8, wherein: the side die (300) comprises an arc-shaped plate (310) and a tail plate (320) arranged on the outer side face of the arc-shaped plate (310), and the forming arc face (311) is the inner side face of the arc-shaped plate (310).

10. An apparatus for forming an optical glass channel deposit as in claim 9 wherein: and a counterweight is placed on the tail plate (320).

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