Production method for improving problem that external patterns of glass bottle are easy to explode
By designing the proportions of patterns and text within the glass bottle molding mold, the problem of glass bottle patterns being prone to explosion was solved, improving the yield rate and safety of production, and reducing production costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-12
- Publication Date
- 2026-04-10
AI Technical Summary
During the automated production of glass bottles, the patterned areas are easily damaged, leading to micro-cracks and localized breakage, which affects the yield rate and production costs of the glass bottles.
By carefully designing the proportions of patterns and text within the glass bottle molding mold, we ensure that the patterns and text are compatible with the area of the central part of the bottle. We adopt a rounded curve design to avoid stress concentration, and reasonably control the proportions of the bottle shoulder and base to enhance structural strength and reduce the risk of collision.
It significantly reduces the breakage of glass bottle surface patterns caused by physical impact, improves the overall production yield, ensures the safe operation of the production line, reduces defective waste, and controls production costs.
Smart Images
Figure CN121823927A_ABST
Abstract
Description
Technical Field
[0001] This invention pertains to the manufacturing method of patterned glass bottles, specifically relating to a production method that improves the problem of easily exploding external patterns on glass bottles. Background Technology
[0002] Glass bottles, as a traditional and mature packaging container, still hold an important position in the current packaging industry and are widely used in many fields. Statistics show that globally, up to 71% of beer is bottled in glass. China's use of glass beer bottles is particularly significant, accounting for 55% of the global total, with an annual consumption exceeding 50 billion bottles, demonstrating a massive market size. The reason glass bottles continue to maintain their mainstream position amidst diversified packaging materials and increasingly fierce competition is mainly due to their superior physical and chemical properties, including excellent light transmittance, high chemical stability, and strong mechanical hardness. These properties make glass bottles less likely to chemically react with the contents of beverages such as beer. Glass container packaging effectively maintains the purity and taste of the contents, while also aiding in product display and preservation.
[0003] Glass bottles are a common choice for beer packaging and are widely used by many beer producers. To enhance brand recognition and market competitiveness, manufacturers typically design and create various patterns on the surface of the glass bottles. These patterns include brand logos, slogans, decorative motifs, etc., forming unique visual symbols. The creation of these patterns must be completed during the glass bottle blowing stage, specifically by carving the corresponding texture structure inside the forming mold, so that the desired pattern effect is directly formed on the glass bottle during the blowing process.
[0004] However, in the automated production of glass bottles, the bottles inevitably collide with each other or come into contact with equipment due to their rapid movement on high-speed conveyor belts, easily leading to damage to the bottle's patterns. In actual production, defects such as micro-cracks and localized bursts frequently occur in the patterned areas. Currently, such defective products account for approximately 3% to 4% of the total production, directly impacting the overall yield rate and production costs of glass bottles. To effectively reduce pattern bursting and improve product quality and production efficiency, in-depth analysis and optimization of the relevant production processes are urgently needed. Summary of the Invention
[0005] To address the aforementioned technical problems, this invention provides a production method for improving the brittleness of external patterns on glass bottles. This method involves limiting the proportions of the bottle body and designing the proportions of patterns and text in the printed areas on the glass bottle to solve the problem of brittleness of the bottle's patterns. Specifically, the method includes the following steps: Molten glass is blown into shape using a row-type bottle-making machine, and the finished glass bottle is shaped using a precision molding die. The internal structure of the molding die consists of four parts in sequence: the base, the body, the shoulder, and the neck. The base is located at the bottom, the body is above the base, the shoulder connects to the top of the body, and the neck is located at the top of the shoulder. The shoulder area features a patterned area for engraving decorative patterns, while the base area has an inscription area for marking the bottle.
[0006] The bottle shoulder is further divided into upper and lower sections. The upper section features an inwardly concave design with a radius of 33mm, while the lower section has an outwardly convex shape with a radius of 24mm. The outer wall of the bottle neck gradually slopes outward from the bottle mouth towards the bottle shoulder, with the angle controlled at 7°. This not only greatly enhances the structural aesthetics of the bottle but also improves the comfort of holding it, making it easier to fill and seal.
[0007] The bottle base is divided into four sections, from top to bottom: upper, upper-middle, middle, and bottom. The upper section features an inward-curving arc design with a radius of 30mm; the upper-middle section is an outward-convex arc with a radius of 80mm; the middle section is a vertical, upright section with a simple and stable structure; and the bottom again features an outward-curving arc with a radius of 60mm. This design of the bottle base structure ensures the stability of the bottle and reduces shaking during transport. The middle section of the bottle base accounts for 6% to 9% of the total height of the bottle base to ensure structural balance and a reasonable distribution of strength.
[0008] The bottle neck is located at the top opening of the bottle neck. The top edge of the bottle neck is carefully designed as a smooth arc with a radius of 1.2mm to avoid sharp edges and improve safety during use.
[0009] The radius of the concave decorative pattern in the patterned area is 0.5 to 0.6 mm, and the spacing between multiple patterns is 28 to 30 mm to ensure that the pattern is clear and beautiful. The concave patterned area is used to print raised patterns on the shoulder of the glass bottle.
[0010] The radius of the concave structure of the text in the inscription area is 0.3 to 0.4 mm, and the spacing between the characters is set to 5 to 6 mm to ensure the readability of the text and the durability of the marking. The concave inscription area prints raised text on the base of the glass bottle.
[0011] This invention provides a production method to improve the problem of easily shattered external patterns on glass bottles. It meticulously designs the proportions of patterns and text within the glass bottle molding mold, ensuring that the size and density of the patterns and text are compatible with the area of the central region of the bottle, preventing localized stress concentration due to overly dense or large patterns and text. Simultaneously, the proportions of the bottle shoulder and base are limited to conform to mechanical principles, enhancing the structural strength of the bottle and reducing micro-cracks and localized bursting caused by collisions or uneven stress. In the pattern area, the shape of the patterns adopts a rounded, smooth curve design, avoiding sharp angles to reduce the risk of stress concentration. In the inscription area, the text uses a regular and clear font to ensure clarity and legibility, while controlling the protrusion curvature of the text and patterns to harmonize with the bottle structure. Through the coordinated optimization of multiple stages, the risk of collisions caused by mutual contact during the production process is effectively reduced, significantly decreasing the breakage of the surface patterns on the glass bottles due to physical impact. This not only significantly improves the overall yield rate of glass bottles, but also ensures the safe operation of the production line, reduces waste from defective products, and controls overall production costs, which is of great significance for promoting the efficient and sustainable development of the glass bottle manufacturing industry. Attached Figure Description
[0012] The present invention will now be described in further detail with reference to the accompanying drawings.
[0013] Figure 1 This is a schematic diagram of the inner cavity structure of the molding die in Example 4. Detailed Implementation
[0014] To further illustrate the concept of the present invention, the specific embodiments of the present invention will be further described below with reference to the accompanying drawings: Example 1
[0015] A production method for improving the problem of easily shattered external patterns on glass bottles involves blowing molten glass into shape using a rotary machine, and then blowing the finished glass bottle through a forming mold. The inner cavity of the forming mold consists of the bottle neck, bottle shoulder, bottle body, and bottle base from top to bottom. The patterned area is located on the bottle shoulder, and the inscription area is located on the bottle base.
[0016] The upper concave section of the shoulder has an arc of 33mm, and the lower convex section has an arc of 24mm. The outer wall of the neck slopes outward from top to bottom at an angle of 7°. The upper part of the base is an inward arc with a radius of 30mm, the upper middle part is an outward arc with a radius of 80mm, and the bottom is an outward arc with a radius of 60mm. The middle part is vertically positioned, with a base height of 43mm and a middle height of 3.5mm. The neck is the bottle mouth, with a 1.2mm radius arc on the top side. The concave radius of the patterns in the patterned area is 0.6mm, and the spacing between the patterns is 28.5mm. The concave radius of the inscriptions in the inscription area is 0.35mm, and the spacing between the inscription characters is 5.5mm. Example 2
[0017] A production method for improving the problem of easily shattered external patterns on glass bottles involves blowing molten glass into shape using a rotary machine, and then blowing the finished glass bottle through a forming mold. The inner cavity of the forming mold consists of the bottle neck, bottle shoulder, bottle body, and bottle base from top to bottom. The patterned area is located on the bottle shoulder, and the inscription area is located on the bottle base.
[0018] The upper concave section of the shoulder has an arc of 33mm, and the lower convex section has an arc of 24mm. The outer wall of the neck slopes outward from top to bottom at an angle of 7°. The upper part of the base is an inward arc with a radius of 30mm, the upper middle part is an outward arc with a radius of 80mm, and the bottom is an outward arc with a radius of 60mm. The middle part is vertically positioned, with a base height of 42.8mm and a middle height of 3.46mm. The neck is the mouth, with a 1.2mm radius arc on the top side. The concave radius of the patterns in the patterned area is 0.55mm, and the spacing between the patterns is 28.8mm. The concave radius of the inscriptions in the inscription area is 0.38mm, and the spacing between the inscription characters is 5.2mm. Example 3
[0019] A production method for improving the problem of easily shattered external patterns on glass bottles involves blowing molten glass into shape using a rotary machine, and then blowing the finished glass bottle through a forming mold. The inner cavity of the forming mold consists of the bottle neck, bottle shoulder, bottle body, and bottle base from top to bottom. The patterned area is located on the bottle shoulder, and the inscription area is located on the bottle base.
[0020] The upper concave section of the shoulder has an arc of 33mm, and the lower convex section has an arc of 24mm. The outer wall of the neck slopes outward from top to bottom at an angle of 7°. The upper part of the base is an inward arc with a radius of 30mm, the upper middle part is an outward arc with a radius of 80mm, the bottom is an outward arc with a radius of 60mm, and the middle part is vertically positioned. The height of the base is 41.5mm, and the height of the middle part is 3.7mm. The neck is the mouth, and the top side of the mouth is an arc with a radius of 1.2mm. The concave radius of the patterns in the patterned area is 0.5mm, and the spacing between the patterns is 28.2mm. The concave radius of the inscriptions in the inscription area is 0.4mm, and the spacing between the inscription characters is 6mm. Example 4
[0021] A production method for improving the problem of easily shattered external patterns on glass bottles involves blowing molten glass into shape using a rotary machine, and then blowing the finished glass bottle through a forming mold. The inner cavity of the forming mold consists of the bottle neck, bottle shoulder, bottle body, and bottle base from top to bottom. The patterned area is located on the bottle shoulder, and the inscription area is located on the bottle base.
[0022] The upper concave section of the shoulder has an arc of 33mm, and the lower convex section has an arc of 24mm. The outer wall of the neck slopes outward from top to bottom at an angle of 7°. The upper part of the base is an inward arc with a radius of 30mm, the upper middle part is an outward arc with a radius of 80mm, the bottom is an outward arc with a radius of 60mm, and the middle is vertically positioned. The height of the base is 41.79mm, and the height of the middle part is 3mm. At the neck is the mouth, and the top side of the mouth is an arc with a radius of 1.2mm. The concave radius of the patterns in the patterned area is 0.5mm, and the spacing between the patterns is 28mm. The concave radius of the inscriptions in the inscription area is 0.3mm, and the spacing between the inscription characters is 5mm. Figure 1 As shown.
[0023] Using Example 4 as the experimental control group, the cracking rate of the glass bottles produced was statistically analyzed. Production was conducted on three production lines. After 10 days of experimental production, the production rate of glass bottles increased to 129 bottles / min. The cracking rate on the first production line was 2.4%, on the second production line it was 2.9%, and on the third production line it was 2.1%. Previously, the production rate was 127 bottles / min, with an average cracking rate of 3%–4%. The method provided by this invention effectively reduces the cracking rate of glass bottles by 1%, significantly improving production cost and product quality control. Simultaneously, the production rate is also increased by 1%, resulting in a simultaneous improvement in both production speed and product yield.
[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Various modifications and variations can be made by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made using the present invention should be included within the protection scope of the present invention.
Claims
1. A production method for improving the problem of easily shattering external patterns on glass bottles, comprising blowing molten glass into shape using a series machine, and forming the finished glass bottle by blowing it through a forming mold, characterized in that: The inner cavity of the molding mold includes a bottle root, a bottle body, a bottle shoulder, and a bottle neck. The bottle root is located at the bottom, the bottle body is located above the bottle root, the bottle shoulder is located above the bottle body, and the bottle neck is located above the bottle shoulder. A patterned area is provided on the bottle shoulder, and an inscription area is provided on the bottle root. The bottle shoulder is composed of two parts: the upper part is concave inward and the lower part is convex outward. The radius of the arc of the upper concave part is 33mm, and the radius of the arc of the lower convex part is 24mm. The outer wall of the bottle neck gradually slopes outward from the bottle mouth towards the bottle shoulder at an angle of 7°.
2. The production method for improving the problem of easily shattering external patterns on glass bottles according to claim 1, characterized in that: The bottle root is divided into four parts, from top to bottom: upper part, upper middle part, middle part and bottom part. The upper part is an inward arc with a radius of 30mm; the upper middle part is an outward arc with a radius of 80mm; the middle part is vertically set. The bottom is an outward arc with a radius of 60mm.
3. The production method for improving the problem of easily shattering external patterns on glass bottles according to claim 2, characterized in that: The middle part of the bottle root accounts for 6% to 9% of the bottle root height.
4. The production method for improving the problem of easily shattering external patterns on glass bottles according to claim 3, characterized in that: The bottle neck is provided with a bottle mouth at the top, and the top side of the bottle mouth is an arc with a radius of 1.2mm.
5. The production method for improving the problem of easily shattering external patterns on glass bottles according to claim 1, characterized in that: The concave radius of the pattern in the patterned area is 0.5–0.6 mm, and the spacing between multiple patterns is 28–30 mm.
6. The production method for improving the problem of easily shattering external patterns on glass bottles according to claim 1, characterized in that: The concave radius of the inscription in the inscription area is 0.3 to 0.4 mm, and the spacing between the inscription characters is 5 to 6 mm.