CN111843145A - Welding process for tempered glass mold - Google Patents
Welding process for tempered glass mold Download PDFInfo
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- CN111843145A CN111843145A CN202010750330.8A CN202010750330A CN111843145A CN 111843145 A CN111843145 A CN 111843145A CN 202010750330 A CN202010750330 A CN 202010750330A CN 111843145 A CN111843145 A CN 111843145A
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- welding
- glass mold
- heating
- gun
- heat preservation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
- B23K10/027—Welding for purposes other than joining, e.g. build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The invention discloses a welding process for a tempered glass mold, which comprises the following steps of: a. a hair cutter; b. preheating; c. taking out; d. heating; e. primary welding and spraying; e. secondary spray welding; f. and (5) preserving the heat. Through the mode, the welding process for the strengthened glass mold provided by the invention effectively improves the surface performance of the glass mold, strengthens the surface of the inner cavity of the glass mold, has good welding uniformity and no pore phenomenon on the surface, is not easy to fall off after welding, eliminates the problem that the glass mold is easy to oxidize, and is beneficial to improving the quality of the glass mold.
Description
Technical Field
The invention relates to the technical field of glass molds, in particular to a welding process for a strengthened glass mold.
Background
The formation of high quality glass articles is strongly related to the action of the hot glass and the mold, and therefore, the selection of the mold material is important in the glass mold manufacturing industry. The dominance of cast iron as a material for manufacturing glass molding dies has not yet changed, and the mechanical strength, wear resistance, oxidation resistance, and other properties of glass dies have been attracting attention. In the glass mold manufacturing industry, in order to enhance the mechanical strength, wear resistance, oxidation resistance and other properties of the glass mold, the glass mold is often welded by using nickel-based powder.
The traditional welding is manual welding, so that the welding efficiency is low, the welding process of each worker is different, and the quality is difficult to guarantee. The usage amount of the nickel-based powder in the manual welding process is not easy to master, and the expensive nickel-based powder is often wasted. Moreover, the manual welding often leaves air holes on the surface of the glass mold, and the powder is easy to fall off after welding.
Disclosure of Invention
The invention mainly solves the technical problem of providing a welding process for a strengthened glass mold, effectively improves the surface performance of the glass mold, strengthens the surface of the inner cavity of the glass mold, has better welding uniformity and no pore phenomenon on the surface, is not easy to fall off after welding, eliminates the problem that the glass mold is easy to oxidize, and is beneficial to improving the quality of the glass mold.
In order to solve the technical problems, the invention adopts a technical scheme that: the welding process for the tempered glass mold comprises the following specific steps:
a. a hair cutter: performing rough cutter treatment on the inner cavity of the glass mold;
b. preheating: preheating the glass mold treated by the rough cutter in an electric furnace, heating the glass mold to the temperature of 320-380 ℃, and naturally cooling in the electric furnace after heating for 30-45 minutes;
c. taking out: taking out the preheated glass mold, clamping the glass mold on a welding workpiece table clamp, and preparing for spray welding;
d. heating: before spray welding, a heating gun is used for continuously heating the glass mold to 480-680 ℃;
e. primary welding and spraying: the distance between the welding gun and the glass mold is 5-8mm, and the linear speed of the welding gun for welding the glass mold is 125-185 mm/min;
e. secondary spray welding: the distance between the welding gun and the glass mold is kept between 10 and 15mm, and the linear speed of the welding gun for welding the glass mold is 160 and 220 mm/min;
f. and (3) heat preservation: and (4) placing the welded and sprayed glass mold in a heat preservation box for heat preservation for 45-60 minutes, and finally naturally cooling to finish the spray welding treatment.
In a preferred embodiment of the invention, the primary welding spray and the secondary welding spray are both treated by using a plasma surfacing welding machine.
In a preferred embodiment of the invention, the current of the plasma surfacing welding machine during the primary welding is set to 125-145A, and the powder feeding amount is set to 16-25 g.
In a preferred embodiment of the invention, the current of the plasma surfacing welding machine during secondary welding spraying is set to be 95-105A, and the powder feeding amount is set to be 20-30 g.
In a preferred embodiment of the present invention, the powder is nickel-based powder.
In a preferred embodiment of the present invention, the temperature during the heat preservation is 260-320 ℃.
The invention has the beneficial effects that: the welding process for the strengthened glass mold provided by the invention has the advantages that the surface performance of the glass mold is effectively improved, the surface of the inner cavity of the glass mold is strengthened, the welding uniformity is better, no pore phenomenon exists on the surface, the glass mold is not easy to fall off after welding, the problem that the glass mold is easy to oxidize is solved, and the quality of the glass mold is favorably improved.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a soldering process for a tempered glass mold in accordance with the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention includes:
example 1:
a welding process for a tempered glass mold comprises the following specific steps:
a. a hair cutter: performing rough cutter treatment on the inner cavity of the glass mold;
b. preheating: preheating the glass mold treated by the rough cutter in an electric furnace, heating the glass mold to 320 ℃, and naturally cooling in the electric furnace after heating for 30 minutes;
c. taking out: taking out the preheated glass mold, clamping the glass mold on a welding workpiece table clamp, and preparing for spray welding;
d. heating: before spray welding, continuously heating the glass mold by using a heating gun to 480 ℃;
e. primary welding and spraying: the distance between the welding gun and the glass mold is 5mm, and the linear speed of the welding gun for welding the glass mold is 125 mm/min;
e. secondary spray welding: the distance between the welding gun and the glass mold is kept at 10mm, and the linear speed of the welding gun for welding the glass mold is 160 mm/min;
f. and (3) heat preservation: and (3) placing the welded and sprayed glass mold in a heat preservation box for heat preservation, wherein the heat preservation time is 45 minutes, the temperature during heat preservation is 260 ℃, and finally, naturally cooling to finish the spray welding treatment.
In the above, the welding and spraying treatment is performed by using a plasma surfacing welding machine during the primary welding and spraying and the secondary welding. The current of the plasma surfacing welding machine during the primary welding and spraying is set to be 125A, and the powder feeding amount is set to be 16 g; and the current of the plasma surfacing welding machine during secondary welding and spraying is set to be 95A, and the powder feeding amount is set to be 20 g. In this embodiment, the powder is nickel-based powder.
Example 2:
a welding process for a tempered glass mold comprises the following specific steps:
a. a hair cutter: performing rough cutter treatment on the inner cavity of the glass mold;
b. preheating: preheating the glass mold treated by the rough cutter in an electric furnace, heating the glass mold to 350 ℃, and naturally cooling in the electric furnace after heating for 40 minutes;
c. taking out: taking out the preheated glass mold, clamping the glass mold on a welding workpiece table clamp, and preparing for spray welding;
d. heating: before spray welding, a heating gun is used for continuously heating the glass mold to 580 ℃;
e. primary welding and spraying: the distance between the welding gun and the glass mold is 6mm, and the linear speed of the welding gun for welding the glass mold is 145 mm/min;
e. secondary spray welding: the distance between the welding gun and the glass mold is kept to be 13mm, and the linear speed of the welding gun for welding the glass mold is 185 mm/min;
f. and (3) heat preservation: and (3) placing the welded and sprayed glass mold in a heat preservation box for heat preservation, wherein the heat preservation time is 55 minutes, the temperature during heat preservation is 295 ℃, and finally, naturally cooling to finish the spray welding treatment.
In the above, the welding and spraying treatment is performed by using a plasma surfacing welding machine during the primary welding and spraying and the secondary welding. The current of the plasma surfacing welding machine during the primary welding and spraying is set to be 135A, and the powder feeding amount is set to be 20 g; the current of the plasma surfacing welding machine during secondary welding and spraying is set to be 100A, and the powder feeding amount is set to be 25 g. In this embodiment, the powder is nickel-based powder.
Example 3:
a welding process for a tempered glass mold comprises the following specific steps:
a. a hair cutter: performing rough cutter treatment on the inner cavity of the glass mold;
b. preheating: preheating the glass mold treated by the rough cutter in an electric furnace, heating the glass mold to 380 ℃, heating for 45 minutes, and naturally cooling in the electric furnace;
c. taking out: taking out the preheated glass mold, clamping the glass mold on a welding workpiece table clamp, and preparing for spray welding;
d. heating: before spray welding, continuously heating the glass mold to 680 ℃ by using a heating gun;
e. primary welding and spraying: the distance between the welding gun and the glass mold is 8mm, and the linear speed of the welding gun for welding the glass mold is 185 mm/min;
e. secondary spray welding: the distance between the welding gun and the glass mold is kept at 15mm, and the linear speed of the welding gun for welding the glass mold is 220 mm/min;
f. and (3) heat preservation: and (3) placing the welded and sprayed glass mold in a heat preservation box for heat preservation, wherein the heat preservation time is 60 minutes, the temperature during heat preservation is 320 ℃, and finally naturally cooling to finish the spray welding treatment.
In the above, the welding and spraying treatment is performed by using a plasma surfacing welding machine during the primary welding and spraying and the secondary welding. The current of the plasma surfacing welding machine during the primary welding and spraying is set to 145A, and the powder feeding amount is set to 25 g; the current of the plasma surfacing welding machine during secondary welding and spraying is set to be 105A, and the powder feeding amount is set to be 30 g. In this embodiment, the powder is nickel-based powder.
The invention adopts the technology of two times of welding and spraying, the first time of welding and spraying combines the glass mould with the nickel-based powder to be welded, and the second time of welding and spraying can be carried out according to certain size requirements, thus achieving the ideal thickness of the welding layer. After two times of welding and spraying, the welding air holes are reduced, even the phenomenon of no air holes is realized, and the amount of the used nickel-based powder is also reduced. The current during the second welding spraying is reduced, and the welding hardness is also reduced, so that the glass mold can be easily processed in the subsequent steps under the condition that the hardness of the contact part of the glass mold is not influenced.
Meanwhile, in the interior of the glass mold, air holes often appear, and if the glass mold is subjected to one-time welding and spraying, the air holes are not easy to find. After the two-time welding and spraying process is adopted, air holes in the glass mold can appear in the first welding and spraying process, so that the second and subsequent steps are facilitated to repair, and the phenomenon of no air holes is realized.
In conclusion, the welding process for the strengthened glass mold provided by the invention has the advantages that the surface performance of the glass mold is effectively improved, the surface of the inner cavity of the glass mold is strengthened, the welding uniformity is better, no pore phenomenon exists on the surface, the glass mold is not easy to fall off after welding, the problem that the glass mold is easy to oxidize is solved, and the quality of the glass mold is favorably improved.
In the description of the present invention, it should be noted that all the components are general standard components or components known to those skilled in the art, the structure and principle of the components can be known by technical manuals or by conventional test methods, and the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate the orientations or positional relationships based on the drawings or the orientations or positional relationships usually placed when the product of the present invention is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the component referred to must have a specific orientation, be configured and operated in a specific orientation, and thus cannot be understood as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A welding process for a tempered glass mold is characterized by comprising the following specific steps of:
a. a hair cutter: performing rough cutter treatment on the inner cavity of the glass mold;
b. preheating: preheating the glass mold treated by the rough cutter in an electric furnace, heating the glass mold to the temperature of 320-380 ℃, and naturally cooling in the electric furnace after heating for 30-45 minutes;
c. taking out: taking out the preheated glass mold, clamping the glass mold on a welding workpiece table clamp, and preparing for spray welding;
d. heating: before spray welding, a heating gun is used for continuously heating the glass mold to 480-680 ℃;
e. primary welding and spraying: the distance between the welding gun and the glass mold is 5-8mm, and the linear speed of the welding gun for welding the glass mold is 125-185 mm/min;
e. secondary spray welding: the distance between the welding gun and the glass mold is kept between 10 and 15mm, and the linear speed of the welding gun for welding the glass mold is 160 and 220 mm/min;
f. and (3) heat preservation: and (4) placing the welded and sprayed glass mold in a heat preservation box for heat preservation for 45-60 minutes, and finally naturally cooling to finish the spray welding treatment.
2. The process of claim 1, wherein the first and second welding passes are performed using a plasma surfacing welder.
3. The process of claim 2, wherein the electric current of the plasma surfacing welder for one welding shot is set to 125-145A, and the powder feeding amount is set to 16-25 g.
4. A welding process for a strengthened glass mold according to claim 3, wherein the current of the plasma overlay welding machine at the time of the secondary welding is set to 95 to 105A, and the amount of the powder fed is set to 20 to 30 g.
5. The process of claim 3 or 4, wherein the powder is nickel-based.
6. The process of claim 1, wherein the temperature of the heat-preserving step is 260-320 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010750330.8A CN111843145A (en) | 2020-07-30 | 2020-07-30 | Welding process for tempered glass mold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010750330.8A CN111843145A (en) | 2020-07-30 | 2020-07-30 | Welding process for tempered glass mold |
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| CN111843145A true CN111843145A (en) | 2020-10-30 |
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| CN202010750330.8A Pending CN111843145A (en) | 2020-07-30 | 2020-07-30 | Welding process for tempered glass mold |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549946A (en) * | 2009-05-11 | 2009-10-07 | 苏州东方枫晟科技有限公司 | Method for packing nickel base alloy into glass mold cavity adopting silicon-copper alloy as base metal matrix |
| CN101913019A (en) * | 2010-07-23 | 2010-12-15 | 常熟市精工模具制造有限公司 | Method for overlaying glass die by plasma |
| CN102806408A (en) * | 2012-09-05 | 2012-12-05 | 常熟市精工模具制造有限公司 | Full spray welding method for boundary of inner cavity of copper alloy glass mould |
| CN103121158A (en) * | 2013-03-05 | 2013-05-29 | 苏州东海玻璃模具有限公司 | Spray welding treatment process of glass mold |
| CN104384879A (en) * | 2014-10-09 | 2015-03-04 | 无锡康柏斯机械科技有限公司 | Machining method of glass mold |
| CN107214488A (en) * | 2017-06-22 | 2017-09-29 | 常熟市兄弟玻璃模具有限公司 | A kind of processing method of glass mold |
| CN107363387A (en) * | 2017-06-22 | 2017-11-21 | 常熟市兄弟玻璃模具有限公司 | A kind of overlaying method of glass mold |
| CN109128732A (en) * | 2018-09-28 | 2019-01-04 | 柳州科沃塑业有限公司 | A kind of processing method of glass mold |
-
2020
- 2020-07-30 CN CN202010750330.8A patent/CN111843145A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549946A (en) * | 2009-05-11 | 2009-10-07 | 苏州东方枫晟科技有限公司 | Method for packing nickel base alloy into glass mold cavity adopting silicon-copper alloy as base metal matrix |
| CN101913019A (en) * | 2010-07-23 | 2010-12-15 | 常熟市精工模具制造有限公司 | Method for overlaying glass die by plasma |
| CN102806408A (en) * | 2012-09-05 | 2012-12-05 | 常熟市精工模具制造有限公司 | Full spray welding method for boundary of inner cavity of copper alloy glass mould |
| CN103121158A (en) * | 2013-03-05 | 2013-05-29 | 苏州东海玻璃模具有限公司 | Spray welding treatment process of glass mold |
| CN104384879A (en) * | 2014-10-09 | 2015-03-04 | 无锡康柏斯机械科技有限公司 | Machining method of glass mold |
| CN107214488A (en) * | 2017-06-22 | 2017-09-29 | 常熟市兄弟玻璃模具有限公司 | A kind of processing method of glass mold |
| CN107363387A (en) * | 2017-06-22 | 2017-11-21 | 常熟市兄弟玻璃模具有限公司 | A kind of overlaying method of glass mold |
| CN109128732A (en) * | 2018-09-28 | 2019-01-04 | 柳州科沃塑业有限公司 | A kind of processing method of glass mold |
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Application publication date: 20201030 |