阅读说明：本技术 一种单层玻璃杯的生产工艺 (Production process of single-layer glass cup ) 是由 裴海姣 于 2021-04-13 设计创作，主要内容包括：本发明涉及玻璃杯的生产工艺,具体涉及一种单层玻璃杯的生产工艺,其步骤如下：选取合适的玻璃管,通过火焰对玻璃管中部软化后用刀片切割形成两个一端封闭、一端开口的玻璃杯胚体,对玻璃杯胚体进行旋转加热烧制杯底,采用火焰对杯口进行预热,通过模具压制成型,对成型后的玻璃杯进行雕刻、研磨、剖光、清洗,即可得到单层玻璃杯成品,本发明的单层玻璃杯的生产工艺,具有突出的低能耗、工艺简单、且生产效率高的优点。(The invention relates to a production process of a glass cup, in particular to a production process of a single-layer glass cup, which comprises the following steps: selecting a proper glass tube, softening the middle part of the glass tube by flame, cutting the softened glass tube by a blade to form two glass cup blanks with one closed end and one open end, rotatably heating the glass cup blanks to fire the cup bottom, preheating the cup opening by the flame, performing compression molding by a mold, and engraving, grinding, polishing and cleaning the molded glass cup to obtain a single-layer glass cup finished product.)

1. A production process of a single-layer glass cup is characterized by comprising the following steps: the method comprises the following steps:

(1) preparing materials: selecting a high-quality high borosilicate crystal glass tube which meets the production requirements as a cup body of the glass cup;

(2) cutting the glass tube: cutting the glass tube into sections, wherein the length of each section is 2.5-3 times of that of a finished product, and the glass tubes are used for manufacturing a cup body of a glass cup;

(3) softening and cutting: heating the middle position of the cut glass tube by flame until the glass tube is softened, slowly cutting the glass tube by a blade to form two glass cup blank bodies with one closed end and one open end, wherein the heating temperature is 1200-1400 ℃;

(4) primary molding: placing the glass cup blank on a rotating device, heating the closed end of the glass cup blank through flame while rotating, and burning to obtain a cup bottom of the cup body;

(5) and (3) final forming: fixing the glass crude product at the bottom of the fired cup, preheating the mouth of the glass crude product by flame, and pressing the glass crude product into a structure with a smooth inner wall and a spiral raised thread on the outer wall by using a mold after the glass crude product is softened;

(6) polishing: carving, grinding, polishing and cleaning the formed glass cup to prepare a single-layer glass cup finished product;

(7) and (3) detection: carrying out crack inspection on the cleaned single-layer glass cup, and picking out defective products;

(8) packaging: and packaging and boxing the single-layer glass cup which is the certified product after detection.

2. A process for the production of a single-layer glass according to claim 1, wherein: the high-quality high borosilicate crystal glass tube is prepared from the following raw materials in parts by weight: 65-80 parts of quartz sand, 10-12 parts of boron oxide, 6-10 parts of boric acid, 6-9 parts of aluminum hydroxide, 2-6 parts of calcite, 0.4-0.7 part of ammonium fluosilicate, 0.5-1.6 parts of sodium chloride, 0.8-1.2 parts of rare earth metal oxide and 13-18 parts of cullet.

3. A process for the production of a single-layer glass according to claim 2, characterized in that: the rare earth metal oxide is one or more of lanthanum oxide, cerium oxide, strontium oxide and calcium oxide.

4. A process for the production of a single-layer glass according to claim 1, wherein: in the heating step, the flame uses natural gas, oxygen mixture or natural gas, oxygen, air mixture as combustion gas.

5. A process for the production of a single-layer glass according to claim 1, wherein: and the finally formed glass cup needs to be annealed in an annealing furnace.

6. A process for the production of a single-layer glass according to claim 1, wherein: and the glass cups during packaging need to be assembled with an isolation net and then packaged and boxed.

Technical Field

The invention relates to a production process of a single-layer glass cup, and belongs to the technical field of glass cup production.

Background

Along with the gradual improvement of living standard, the requirements of people on daily necessities are higher and higher, glass cups are popular because the surfaces are smooth, easy to clean, not easy to age and free from adverse effects on human health, and the manufacturing method of the prior single-layer glass cup, which is a compression molding method or a blow molding method, has higher requirements on related matched equipment, complex process, lower efficiency and high processing cost of the single cup.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects and provide a production process of a single-layer glass cup, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a production process of a single-layer glass cup is characterized by comprising the following steps: the method comprises the following steps:

(1) preparing materials: selecting a high-quality high borosilicate crystal glass tube which meets the production requirements as a cup body of the glass cup;

(2) cutting the glass tube: cutting the glass tube into sections, wherein the length of each section is 2.5-3 times of that of a finished product, and the glass tubes are used for manufacturing a cup body of a glass cup;

(3) softening and cutting: heating the middle position of the cut glass tube by flame until the glass tube is softened, slowly cutting the glass tube by a blade to form two glass cup blank bodies with one closed end and one open end, wherein the heating temperature is 1200-1400 ℃;

(4) primary molding: placing the glass cup blank on a rotating device, heating the closed end of the glass cup blank through flame while rotating, and burning to obtain a cup bottom of the cup body;

(5) and (3) final forming: fixing the glass crude product at the bottom of the fired cup, preheating the mouth of the glass crude product by flame, and pressing the glass crude product into a structure with a smooth inner wall and a spiral raised thread on the outer wall by using a mold after the glass crude product is softened;

(6) polishing: carving, grinding, polishing and cleaning the formed glass cup to prepare a single-layer glass cup finished product;

(7) and (3) detection: carrying out crack inspection on the cleaned single-layer glass cup, and picking out defective products;

(8) packaging: and packaging and boxing the single-layer glass cup which is the certified product after detection.

Further, the high-quality high borosilicate crystal glass tube is prepared from the following raw materials in parts by weight: 65-80 parts of quartz sand, 10-12 parts of boron oxide, 6-10 parts of boric acid, 6-9 parts of aluminum hydroxide, 2-6 parts of calcite, 0.4-0.7 part of ammonium fluosilicate, 0.5-1.6 parts of sodium chloride, 0.8-1.2 parts of rare earth metal oxide and 13-18 parts of cullet.

Further, the rare earth metal oxide is one or more of lanthanum oxide, cerium oxide, strontium oxide and calcium oxide.

Further, in the heating step, the flame uses natural gas, oxygen mixture, or natural gas, oxygen, air mixture as the combustion gas.

Further, the finally formed glass cup needs to be annealed in an annealing furnace.

Furthermore, the glass cups need to be assembled with an isolation net and then packaged and boxed.

The invention has the beneficial effects that: according to the production process of the single-layer glass cup, two glass cups can be manufactured by one section of the glass tube during softening and cutting, so that blanks of the two glass cups can be manufactured in one process, the production efficiency is improved, the process is simple, a matched mould is not needed, related matched equipment is few, and the production cost is low.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

A production process of a single-layer glass cup is characterized by comprising the following steps: the method comprises the following steps:

(1) preparing materials: selecting a high-quality high borosilicate crystal glass tube which meets the production requirements as a cup body of the glass cup;

(2) cutting the glass tube: cutting the glass tube into sections, wherein the length of each section is 2.5-3 times of that of a finished product, and the glass tubes are used for manufacturing a cup body of a glass cup;

(3) softening and cutting: heating the middle position of the cut glass tube by flame until the glass tube is softened, slowly cutting the glass tube by a blade to form two glass cup blank bodies with one closed end and one open end, wherein the heating temperature is 1200-1400 ℃;

(4) primary molding: placing the glass cup blank on a rotating device, heating the closed end of the glass cup blank through flame while rotating, and burning to obtain a cup bottom of the cup body;

(5) and (3) final forming: fixing the glass crude product at the bottom of the fired cup, preheating the mouth of the glass crude product by flame, and pressing the glass crude product into a structure with a smooth inner wall and a spiral raised thread on the outer wall by using a mold after the glass crude product is softened;

(6) polishing: carving, grinding, polishing and cleaning the formed glass cup to prepare a single-layer glass cup finished product;

(7) and (3) detection: carrying out crack inspection on the cleaned single-layer glass cup, and picking out defective products;

(8) packaging: and packaging and boxing the single-layer glass cup which is the certified product after detection.

Specifically, the high-quality high borosilicate crystal glass tube is prepared from the following raw materials in parts by weight: 65-80 parts of quartz sand, 10-12 parts of boron oxide, 6-10 parts of boric acid, 6-9 parts of aluminum hydroxide, 2-6 parts of calcite, 0.4-0.7 part of ammonium fluosilicate, 0.5-1.6 parts of sodium chloride, 0.8-1.2 parts of rare earth metal oxide and 13-18 parts of cullet.

Specifically, the rare earth metal oxide is one or more of lanthanum oxide, cerium oxide, strontium oxide and calcium oxide.

Specifically, in the heating step, the flame uses natural gas, oxygen mixture, or natural gas, oxygen, and air mixture as the combustion gas.

Specifically, the finally molded glass cup needs to be annealed in an annealing furnace.

Specifically, the glass cups during packaging need to be assembled with an isolation net and then packaged and boxed.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.