Die for pressing threaded mirror by glass rod

Abstract

The utility model discloses a mold for pressing a threaded mirror on a glass rod, which relates to the technical field of molds, and comprises an upper mold cover plate, an upper mold inner ring I, an upper mold inner ring II, an upper mold inner ring III, an upper mold inner ring IV, an upper mold inner ring IIV and a bottom film, side exhaust holes and heating holes are formed in the upper die sleeve, the upper die inner ring I, the upper die inner ring II, the upper die inner ring III, the upper die inner ring IV and the upper die inner ring IIV are embedded in the upper die sleeve, and temperature measuring holes facilitating installation of a temperature measuring device are formed in the upper die inner ring II, so that the heating holes are additionally arranged, the die is heated more uniformly, the heating efficiency is improved, and the temperature measuring holes are additionally arranged, so that the production efficiency is improved. The temperature of the mold is more easily monitored by matching with an embedded temperature measuring device, the upper mold structure is changed, the inner ring is additionally provided with a flange and a threaded gland, and pin nails are matched for fixing, so that the mold is convenient to assemble, detachable and convenient to repair and maintain, and meanwhile, the coaxiality of the inner ring is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a glass rod pressing thread mirror mold. Background Art

[0002] The existing glass rod pressed threaded mirror mold structure has no temperature measuring holes and heating devices in the upper and lower molds. There are exhaust holes between the inner rings of the upper mold, but they are easy to be blocked and cracked over time. The inner ring is hot-assembled, and the gap, coaxiality and centrality are poor, which causes the optical axis of the product to be misaligned and affects the optical performance of the product. The mold production requirements are high; the exhaust is inconvenient, resulting in air marks and insufficient discharge of the product; the heating is uneven, the temperature measurement is inconvenient, and the hot pressing parameters are inconvenient to control; the mold cannot be repaired later due to hot assembly, and the cost increases.

[0003] In order to solve the above technical problems, a glass rod pressed thread mirror mold is now proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a glass rod pressed threaded mirror mold, which solves the problems of the prior glass rod pressed threaded mirror mold structure, in which the upper mold and the lower mold have no temperature measuring holes and no heating device, and the inner ring of the upper mold contains exhaust holes, but they are easy to be blocked and cracked over time. The inner ring is hot-assembled, and the gap, coaxiality and centrality are poor, which leads to the deviation of the product's optical axis and affects the product's optical performance, and the mold manufacturing requirements are high; the exhaust is inconvenient, resulting in air marks and insufficient discharge of the product; the heating is uneven, the temperature measurement is inconvenient, and the hot pressing parameters are inconvenient to control; the mold is hot-assembled, resulting in the inability to be repaired later, and the cost increases.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A glass rod pressing thread mirror mold, comprising: an upper mold cover plate, an upper mold inner ring I, an upper mold inner ring II, an upper mold inner ring III, an upper mold inner ring IV, upper mold inner rings I IV, and a bottom film;

[0009] The upper die cover plate is an external thread structure, and the upper die sleeve is bolted externally to the upper die cover plate;

[0010] The upper die sleeve is provided with side exhaust holes and heating holes.

[0011] Preferably: upper die inner ring I, upper die inner ring II, upper die inner ring III, upper die inner ring IV, upper die inner rings I IV are embedded in the upper die sleeve.

[0012] Preferably: a temperature measuring hole for facilitating installation of a temperature measuring device is provided on the inner ring II of the upper die.

[0013] Preferably, exhaust grooves are provided on the upper die inner ring I, the upper die inner ring II, the upper die inner ring III, the upper die inner ring IV, and the upper die inner rings I and IV.

[0014] Preferably, pins are provided between the upper die sleeve and the upper die cover plate, and the upper die sleeve and the upper die cover plate are bolted via the pins.

[0015] (III) Beneficial effects

[0016] 1. The heating holes are added to make the mold heating more uniform and improve the heating efficiency.

[0017] 2. The temperature measuring hole is added, and the mold temperature can be monitored more easily with the built-in temperature measuring device.

[0018] 3. Adding exhaust grooves and exhaust holes improves the product yield and reduces cold lines, air lines and insufficient discharge.

[0019] 4. Changes to the upper die structure: A flange is added to the inner ring, a threaded gland is added, and it is fixed with pins, making the mold easy to assemble and disassemble for easy maintenance. At the same time, it also improves the coaxiality of the inner ring and improves the performance of the product.

[0020] 5. The cutting edge is increased, the use of glass rods is reduced, and it is beneficial to the rolling edge processing of the blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0022] Figure 1 It is the overall structure diagram of the utility model;

[0023] Figure 2 It is the structural diagram of the temperature measuring hole in the utility model;

[0024] Figure 3 It is a structural diagram of the exhaust groove in the utility model.

[0025] Legend: 1. Upper die cover; 2. Upper die inner ring I; 3. Upper die inner ring II; 4. Upper inner ring III; 5. Upper die inner ring IV; 6. Upper die inner rings I IV; 7. Upper die sleeve; 8. Bottom film; 9. Pins; 10. Temperature measuring hole; 11. Exhaust groove. DETAILED DESCRIPTION

[0026] The embodiment of the present application provides a glass rod pressed threaded mirror mold, which effectively solves the existing glass rod pressed threaded mirror mold structure. The upper mold and the lower mold have no temperature measuring holes and no heating device. There are exhaust holes between the inner rings of the upper mold, but they are easy to be blocked and cracked over time. The inner ring is hot-assembled, and the gap, coaxiality and centrality are poor, which causes the optical axis of the product to be offset and affects the optical performance of the product. The mold manufacturing requirements are high; the exhaust is inconvenient, resulting in air marks and insufficient discharge of the product; the heating is uneven, the temperature measurement is inconvenient, and the hot pressing parameters are inconvenient to control; the mold is hot-assembled, resulting in subsequent inability to repair and increased costs. Technical problems.

[0027] Example

[0028] The overall idea of ​​the technical solution in the embodiment of the present application is as follows:

[0029] like Figure 1-3 As shown, in view of the problems existing in the prior art, the utility model provides a glass rod pressing thread mirror mold, comprising: an upper mold cover plate 1, an upper mold inner ring I2, an upper mold inner ring II 3, an upper mold inner ring II I4, an upper mold inner ring IV5, an upper mold inner ring I IV6, and a bottom film 8. The upper mold cover plate 1 is an external thread structure, and the upper mold cover plate 1 is externally bolted with an upper mold sleeve 7, and the upper mold sleeve 7 is provided with side exhaust holes and heating holes. The upper mold inner ring I 2, the upper mold inner ring II 3, the upper mold inner ring II I4, the upper mold inner ring IV5, and the upper mold inner ring I IV6 are embedded in the upper mold sleeve 7, and the heating holes are added, so that the mold heating is more uniform and the heating efficiency is improved. The temperature measuring holes are added, and the mold temperature is more easily monitored with the embedded temperature measuring device, and the exhaust grooves and exhaust holes are added, so that the product yield is improved, and the cold lines, gas lines, and insufficient discharge are reduced;

[0030] A temperature measuring hole 10 is provided on the upper mold inner ring II 3 for facilitating the installation of a temperature measuring device. An exhaust groove 11 is provided on the upper mold inner ring I2, the upper mold inner ring II 3, the upper mold inner ring II I4, the upper mold inner ring IV5, and the upper mold inner ring I IV6. A pin 9 is provided between the upper mold sleeve 7 and the upper mold cover plate 1, and the upper mold sleeve 7 and the upper mold cover plate 1 are bolted together by the pin 9.

[0031] Working principle: The heating holes are added to make the mold heating more uniform and the heating efficiency is improved. The temperature measuring holes are added, and it is easier to monitor the mold temperature with the built-in temperature measuring device. The exhaust grooves and exhaust holes are added to improve the product yield and reduce cold lines, air lines, and insufficient discharge. The upper mold structure is changed, a flange is added to the inner ring, a threaded cover is added, and it is fixed with pins, which makes the mold easy to assemble and disassemble for easy maintenance. At the same time, it also improves the coaxiality of the inner ring and the performance of the product. The cutting edge is increased, the use of glass rods is reduced, and it is beneficial to the rolling processing of the blank.

[0032] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A glass rod pressed thread mirror mold, characterized in that: The glass rod pressing thread mirror mold comprises: an upper mold cover plate (1), an upper mold inner ring I (2), an upper mold inner ring II (3), an upper mold inner ring III (4), an upper mold inner ring IV (5), an upper mold inner ring IIV (6), and a bottom film (8); The upper die cover plate (1) is an external thread structure, and the upper die cover plate (1) is externally bolted with an upper die sleeve (7); The upper die sleeve (7) is provided with side exhaust holes and heating holes.

2. A glass rod pressed thread mirror mold as claimed in claim 1, characterized in that: The upper die inner ring I (2), the upper die inner ring II (3), the upper die inner ring III (4), the upper die inner ring IV (5), and the upper die inner ring IIV (6) are embedded in the upper die sleeve (7).

3. A glass rod pressed thread mirror mold as claimed in claim 2, characterized in that: A temperature measuring hole (10) is provided on the upper die inner ring II (3) for facilitating installation of a temperature measuring device.

4. A glass rod pressed thread mirror mold as claimed in claim 1, characterized in that: The upper die inner ring I (2), the upper die inner ring II (3), the upper die inner ring III (4), the upper die inner ring IV (5), and the upper die inner ring IIV (6) are all provided with exhaust grooves (11).

5. A glass rod pressed thread mirror mold as claimed in claim 2, characterized in that: A pin (9) is provided between the upper die sleeve (7) and the upper die cover plate (1), and the upper die sleeve (7) and the upper die cover plate (1) are bolted via the pin (9).

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