CN216288309U

CN216288309U - Improved copper mould for sealing ceramic metal halide lamp

Info

Publication number: CN216288309U
Application number: CN202122500567.3U
Authority: CN
Inventors: 张长征
Original assignee: Nanjing Jionghua Lighting Technology Co ltd
Current assignee: Nanjing Jionghua Lighting Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-12
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of metal halide lamp sealing, in particular to an improved copper mould for sealing a ceramic metal halide lamp, which comprises a mould main body, wherein the upper end surface of the mould main body is provided with a plurality of placing cavities which are distributed in an equidistant annular array manner, the upper end of the mould main body is provided with a heat insulation mould, the upper end surface of the heat insulation mould is provided with a placing hole corresponding to the upper part of each placing cavity, the lower end edge of the heat insulation mould is provided with a waveform edge, and the waveform edge is positioned in the same plane with the central axis close to the placing hole and the central axis of the heat insulation mould along the vertical central line of each lower convex part; the upper surface adopts a double-layer molybdenum or tungsten heat insulation cover, so that the temperature gradient of a heating part of the pipe leg is improved, the sealing efficiency is improved, and the heating power is reduced; the flat plate type sheet heat insulation die covers the die main body, reduces deposition of evaporated and scattered substances at the placing cavity, and reduces die marks and foreign dirt.

Description

Improved copper mould for sealing ceramic metal halide lamp

Technical Field

The utility model relates to the technical field of metal halide lamp sealing, in particular to an improved copper mould for sealing a ceramic metal halide lamp.

Background

The problems of the copper mould for sealing the ceramic metal halide lamp at present are as follows: the heating power is high, the tube legs are easy to crack in the sealing process, the die opening is blackened in the sealing process, the sealing die mark of the sealed arc tube and the phenomenon of external dirt are caused, the operation is difficult, and the use efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the background art and provides an improved copper mould for sealing a ceramic metal halide lamp.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: the utility model provides an improved generation pottery metal halide lamp sealing-in uses copper mould, includes the mould main part, the chamber of placing that a plurality of equidistance annular array arranged is seted up to the up end of mould main part, the upper end of mould main part is provided with thermal-insulated mould, the top department that the chamber was placed to every corresponding upper end of thermal-insulated mould has seted up places the hole, the wave form edge has been seted up on the lower extreme border of thermal-insulated mould, the wave form edge every vertical central line at convex position down is in the coplanar with the axis that is close to mutually and places the hole and the axis of thermal-insulated mould, set up on the up end border of mould main part along splicing complex wave form mouth mutually with the wave form.

Preferably, the number of the placing holes is six, and the placing holes are arranged in an equidistant annular array.

Preferably, the lower end of the die main body extends out of the mounting plate, and the upper end face of the mounting plate is provided with a mounting hole in a penetrating mode.

Preferably, the lower end face of the die main body is provided with a positioning hole.

Preferably, the heat insulation mould adopts a double-layer structure, and is made of molybdenum or tungsten.

Preferably, the arc tube is inserted into the inner side of the placing chamber, and the leg of the upper end of the arc tube passes through the inner side of the placing hole.

Compared with the prior art, the utility model has the following beneficial effects:

an integrated mold is adopted, so that the cooling effect of cooling water is further improved; the upper surface adopts a double-layer molybdenum or tungsten heat insulation cover, so that the temperature gradient of a heating part of the pipe leg is improved, the sealing efficiency is improved, and the heating power is reduced; the flat plate type sheet heat insulation die covers the die main body, so that deposition of evaporated and scattered substances at the placing cavity is reduced, and die marks and external dirt are reduced; the sealing cracking of the electric arc tube is greatly reduced, the percent of pass is obviously improved, the dirt outside the tube leg part is reduced, the die mark of the electric arc tube is reduced, the power consumption is reduced, the energy is saved, the upper electric arc tube and the lower electric arc tube are convenient and safe, and the electric arc tube is not easy to touch and fall.

Drawings

FIG. 1 is a cross-sectional view of an improved copper mold for sealing a ceramic metal halide lamp in accordance with the present invention;

FIG. 2 is a schematic view of the shape of an improved copper mold for sealing a ceramic metal halide lamp according to the present invention.

1. A mold body; 2. a heat insulation die; 3. a placement chamber; 4. placing holes; 5. a waveform edge; 6. a wave-shaped port; 7. mounting a plate; 8. mounting holes; 9. positioning holes; 10. an arc tube; 11. and (4) pipe legs.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The improved copper mold for sealing the ceramic metal halide lamp comprises a mold main body 1, a plurality of placing cavities 3 which are distributed in an equidistant annular array mode are formed in the upper end face of the mold main body 1, a heat insulation mold 2 is arranged at the upper end of the mold main body 1, placing holes 4 are formed in the upper end face of the heat insulation mold 2 corresponding to the positions above the placing cavities 3, waveform edges 5 are formed in the lower end edge of the heat insulation mold 2, the vertical central line of each lower protruding portion of the waveform edges 5 is located in the same plane with the central axis close to the placing holes 4 and the central axis of the heat insulation mold 2, and waveform openings 6 which are matched with the waveform edges 5 in a splicing mode are formed in the upper end edge of the mold main body 1.

In the packaging, the arc tube 10 is inserted into the inner side of the placing chamber 3, and the leg 11 of the upper end of the arc tube 10 passes through the inner side of the placing hole 4.

The number of placing holes 4 sets up to six, and places hole 4 and be the equidistance annular array and arrange, when setting up to six, the wave form links up comparatively steadily along the border department of 5 adjacent lower convex parts.

The lower extreme of mould main part 1 extends mounting panel 7, and mounting hole 8 has been seted up in the up end of mounting panel 7 run through to with mould main part 1 fixed mounting on the operation mesa.

The lower end face of the die main body 1 is provided with a positioning hole 9, a positioning column extends out of the corresponding position of the operation table top, and the positioning hole 9 is used for being matched with the positioning column in a sleeved mode.

The heat insulation die 2 adopts a double-layer structure, the heat insulation die 2 is made of molybdenum or tungsten materials, the temperature gradient of the heating part of the tube leg 11 is improved, the sealing efficiency is improved, and the heating power is reduced.

An integrated mold is adopted, so that the cooling effect of cooling water is further improved; the upper surface adopts a double-layer molybdenum or tungsten heat insulation cover, so that the temperature gradient of the heating part of the pipe leg 11 is improved, the sealing efficiency is improved, and the heating power is reduced; the flat plate type sheet heat insulation die 2 covers the die main body 1, so that deposition of evaporated and scattered substances at the position of the placing cavity 3 is reduced, and the occurrence of die marks and external dirt is reduced; the sealing cracking of the electric arc tube 10 is greatly reduced, the percent of pass is obviously improved, the dirt outside the tube leg 11 is reduced, the die marks of the electric arc tube 10 are reduced, the power consumption is reduced, the energy is saved, the upper electric arc tube 10 and the lower electric arc tube 10 are convenient and safe, and the electric arc tube is not easy to touch and fall.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the appearances of the phrases "one embodiment," "some embodiments," "a specific embodiment," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment or example, but rather to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improved generation pottery metal halide lamp seals uses copper mould, includes mould main part (1), its characterized in that: the utility model discloses a mould, including mould main part (1), the upper end face of mould main part (1) is seted up the chamber of placing (3) that a plurality of equidistance annular array arranged, the upper end of mould main part (1) is provided with thermal-insulated mould (2), the upper end face of thermal-insulated mould (2) corresponds every top department of placing chamber (3) and has seted up and place hole (4), seted up waveform edge (5) on the lower extreme border of thermal-insulated mould (2), the vertical central line at every lower convex position of waveform edge (5) is in the coplanar with the axis that is close to mutually and places hole (4) and thermal-insulated mould (2), set up on the upper end border of mould main part (1) along (5) concatenation complex waveform mouth (6) mutually with the waveform.

2. The improved copper mold for sealing ceramic metal halide lamps as claimed in claim 1, wherein: the number of the placing holes (4) is set to six, and the placing holes (4) are arranged in an equidistant annular array.

3. The improved copper mold for sealing ceramic metal halide lamps as claimed in claim 1, wherein: the lower end of the die main body (1) extends out of the mounting plate (7), and the upper end face of the mounting plate (7) is provided with a mounting hole (8) in a penetrating mode.

4. The improved copper mold for sealing ceramic metal halide lamps as claimed in claim 1, wherein: the lower end face of the die main body (1) is provided with a positioning hole (9).

5. The improved copper mold for sealing ceramic metal halide lamps as claimed in claim 1, wherein: the heat insulation die (2) is of a double-layer structure, and the heat insulation die (2) is made of molybdenum or tungsten.

6. The improved copper mold for sealing ceramic metal halide lamps as claimed in claim 1, wherein: the arc tube (10) is inserted into the inner side of the placing cavity (3), and the tube leg (11) at the upper end of the arc tube (10) penetrates through the inner side of the placing hole (4).