3D printing resin bottle blowing mold structure

Abstract

The utility model provides a 3D printing resin bottle blowing mold structure which comprises two half bottle body molds and a bottle bottom mold which are formed through 3D printing, the two half bottle body molds and the bottle bottom mold are oppositely combined to form a bottle blowing mold, and a bottle blowing cavity is formed in the bottle blowing mold; the mold shell can enable the two half bottle body molds and the bottle bottom mold to be oppositely combined, and the mold shell is arranged on the circumferential outer side of the bottle blowing mold in a surrounding mode; wherein the mechanical strength of the mold shell is greater than that of the bottle blowing mold. According to the 3D printing tree bottle blowing mold structure, the strength defect of a resin mold can be overcome, rapid forming of a bottle blowing mold and a sample bottle is achieved, then appearance evaluation and performance testing of a plastic bottle are facilitated, and the development period of the PET plastic bottle is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of blow molding, in particular to a 3D printing resin bottle blowing mold structure. Background Art

[0002] 3D printing technology is changing traditional manufacturing and innovation methods at an alarming rate, especially in the field of beverage packaging. For example, in the field of innovative development of PET plastic bottles, 3D printing technology has penetrated into all aspects of innovative development. Its unique advantage of what you see is what you get enables manufacturers to use 3D printing technology to output physical models after completing the digital design of PET plastic bottles for the appearance evaluation of plastic bottles. With the development of 3D printing technology, some manufacturers are no longer satisfied with using 3D printing technology to output physical plastic bottles. They hope to further use 3D printing to quickly output blow molding molds, and then use blow molding machines to quickly blow bottles to produce PET sample bottles. This not only allows for the appearance evaluation of plastic bottles, but also allows for further physical performance testing, which will greatly shorten the development cycle of PET plastic bottles and achieve agile development of PET plastic bottles.

[0003] However, since the strength of resin materials is relatively weaker than that of traditional metal materials, the bottle blowing molds produced by 3D printing technology cannot meet the high-intensity impact requirements of bottle blowing machines such as installation and mold closing. Utility Model Content

[0004] The purpose of the utility model is to provide a 3D printing resin bottle blowing mold structure, which overcomes the strength defects of the resin mold, realizes the rapid molding of the bottle blowing mold and the sample bottle, thereby facilitating the appearance evaluation and performance testing of the plastic bottle and shortening the development cycle of the PET plastic bottle.

[0005] The above-mentioned purpose of the utility model is mainly achieved through the following technical means:

[0006] The utility model provides a 3D printing resin bottle blowing mold structure, which includes:

[0007] Two half-bottle body molds and one bottle bottom mold formed by 3D printing, the two half-bottle body molds and the bottle bottom mold are combined to form a bottle blowing mold, and a bottle blowing chamber is formed in the bottle blowing mold;

[0008] A mold shell capable of making the two half-bottle body molds and the bottle bottom mold relatively fit together, the mold shell being arranged around the outer side of the bottle blowing mold in the circumferential direction;

[0009] Wherein, the mechanical strength of the mold shell is greater than the mechanical strength of the bottle blowing mold.

[0010] The 3D printed resin bottle blowing mold structure described in the utility model mainly includes an inner and outer layer structure, wherein the inner layer structure is a bottle blowing mold quickly formed by 3D printing technology, and the outer layer structure is a pre-manufactured standard mold shell. The bottle blowing mold is arranged in the mold shell, and the mold shell presses the two half bottle body molds in the bottle blowing mold together.

[0011] First of all, the two half-bottle body molds and one bottle bottom mold that match the outer contour of the product (plastic bottle) in the utility model are formed by 3D printing technology, which has the characteristics of rapid prototyping. Compared with directly manufacturing the blowing mold of metal material, the processing and manufacturing cost and processing and manufacturing time will be greatly shortened; and the blowing mold structure described in the utility model is mainly used in the design and development process of PET plastic bottles. After completing the preliminary design of the mold, the preliminary designed blowing mold structure is quickly processed by 3D printing, and then a small batch of sample bottles is manufactured by the blowing equipment, so as to realize the appearance evaluation and performance testing of the PET plastic bottle, provide technical support for the optimization of the bottle body structure, avoid the need to process the corresponding blowing mold by metal material during the design and development process, reduce the development and design cost, and shorten the development and design cycle.

[0012] Secondly, the mold shell in the utility model is usually made of metal, which is a standard component. The mold shell is not only used to fix the two half-bottle body molds, but also can connect the entire blow molding mold structure to the blow molding equipment. Since the mold shell is a standard part, it can be used in blow molding molds with a variety of different blow molding chambers, that is, in the design and 3D printing process of the half-bottle body mold, its inner cross-sectional profile is designed according to actual needs, and its outer contour size is a fixed standard size; therefore, when retesting the optimized mold, it is only necessary to reprocess the corresponding half-bottle body mold through 3D printing technology, without redesigning and processing the mold shell.

[0013] Finally, the two half-bottle body molds and the bottle bottom mold are usually printed with resin materials, which have relatively low mechanical strength, while the mechanical strength of the mold shell made of metal materials is relatively high. By setting the mold shell on the circumferential outside of the half-bottle body mold, the structural strength of the bottle blowing mold is improved, and the continuous production feasibility and life of the bottle blowing mold are improved, ensuring that the 3D printed resin bottle blowing mold structure can produce a sufficient number of samples for appearance evaluation and performance testing.

[0014] In a preferred embodiment of the present invention, a bottle bottom interface is formed at the bottom of the two opposing half-bottle body molds, and the bottle bottom mold is connected to the bottle bottom interface.

[0015] In the present embodiment, the bottle bottom structure of a PET plastic bottle is usually relatively complex and is not a simple plane or curved structure. Therefore, if the bottle bottom mold is formed by fitting two half-bottle body molds, that is, the bottle bottom mold is divided into two halves and formed integrally with the two half-bottle body molds respectively, the risk of loose fitting at the bottle bottom fitting position will increase. Therefore, the bottle bottom mold is used as a separate mold component, and its matching surface with the two half-bottle body molds is a circular structure. The docking sealing effect is relatively good, thereby reducing the risk of leakage during the bottle blowing operation.

[0016] In a preferred embodiment of the present invention, the mold shell includes two metal semi-cylinders relative to each other, a mold cavity is formed between the two metal semi-cylinders, the bottle blowing mold is arranged in the mold cavity, and the half bottle body mold is abutted against the metal semi-cylinders.

[0017] In this embodiment, two semi-cylinders made of metal are joined together to form a mold shell, and its overall structure is similar to that of the bottle blowing mold, both of which are cylindrical structures. The mold shell can better cover the entire bottle blowing mold, and can improve the structural strength of the bottle blowing mold while squeezing the two half bottle body molds together.

[0018] In a preferred embodiment of the present invention, the mold shell includes two metal semi-cylinders that are relatively matched, and a metal support connected to the bottom of the two metal semi-cylinders, a mold cavity is formed between the two metal semi-cylinders and the metal support, the bottle blowing mold is arranged in the mold cavity, the half bottle body mold is abutted against the metal semi-cylinders, and the metal support is abutted against the bottle bottom mold.

[0019] In this embodiment, a metal support and two metal semi-cylinders are combined to form a structural form, wherein the two metal semi-cylinders are used to fix the two half-bottle body molds, and the metal support is used to fix the bottle bottom mold, thereby squeezing the two half-bottle body molds and the bottle bottom mold together to form a bottle blowing chamber in the bottle blowing mold.

[0020] In a preferred embodiment of the present invention, the bottle bottom mold and the metal support are connected by bolts.

[0021] In this embodiment, the connection structure strength between the metal support and the bottle bottom mold is improved by bolt connection, thereby preventing the bottle bottom mold from falling out of the bottle bottom interface at the bottom.

[0022] In a preferred embodiment of the present invention, the tops of the two opposing half-bottle body molds are provided with bottle blowing ports.

[0023] In this embodiment, the setting of the bottle blowing port can facilitate the corresponding bottle blowing operation on the bottle blowing equipment.

[0024] In a preferred embodiment of the present invention, a wear-resistant plate is provided on the top of the two half-bottle body molds, and a through hole corresponding to the bottle blowing port is provided on the wear-resistant plate.

[0025] In this embodiment, the tops of the two half-bottle body molds are protected by the provision of wear-resistant plates to prevent them from excessive wear.

[0026] In a preferred embodiment of the present invention, a positioning groove is provided on the outer side surface of the half-bottle body mold, and a positioning strip that can be clamped in the positioning groove is provided on the inner side surface of the metal semi-cylinder; or, a positioning groove is provided on the inner side surface of the metal semi-cylinder, and a positioning strip that can be clamped in the positioning groove is provided on the outer side surface of the half-bottle body mold.

[0027] In this embodiment, the positioning groove and the positioning strip that are clamped together can realize the axial positioning of the bottle blowing mold, which is convenient for the installation and positioning of the entire bottle blowing mold structure.

[0028] In a preferred embodiment of the present invention, a bottle body pressing plate facing the half-bottle body mold is provided on the side wall of the metal semi-cylinder, and the bottle body pressing plate abuts against the outer side surface of the half-bottle body mold.

[0029] In this embodiment, the setting of the bottle body pressing plate can adjust the pressing force applied to the two half-bottle body molds according to actual needs, thereby adapting to different actual processing working environments and compensating for the printing processing errors of the two half-bottle body molds.

[0030] In a preferred embodiment of the present invention, the half-bottle body mold is a semi-cylindrical structure formed by using resin material through 3D printing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0032] The drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the components in the drawings are only for illustration purposes to help understand the present invention, and are not intended to specifically limit the shapes and proportional dimensions of the components of the present invention. Under the guidance of the present invention, those skilled in the art can select various possible shapes and proportional dimensions to implement the present invention according to specific circumstances.

[0033] Figure 1 This is a schematic cross-sectional view of the 3D printing resin bottle blowing mold structure of the utility model;

[0034] Figure 2 This is a side structural schematic diagram of the 3D printing resin bottle blowing mold structure described in the present invention.

[0035] Description of reference numerals:

[0036] 10. Bottle blowing mold; 11. Half bottle body mold; 12. Bottle blowing chamber; 13. Bottle bottom interface; 14. Bottle bottom mold; 15. Bottle blowing mouth; 16. Wear-resistant plate; 17. Through hole; 18. Positioning groove;

[0037] 20. mold shell; 21. metal semi-cylinder; 22. mold cavity; 23. metal support; 24. positioning strip; 25. bottle body pressing plate. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0039] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0041] like Figure 1 and Figure 2 As shown, the utility model provides a 3D printed resin bottle blowing mold structure, which includes: two half-bottle body molds 11 and a bottle bottom mold 14 formed by 3D printing, the two half-bottle body molds 11 and the bottle bottom mold 14 are combined to form a bottle blowing mold 10, and a bottle blowing chamber 12 is formed in the bottle blowing mold 10; a mold shell 20 that can make the two half-bottle body molds 11 and the bottle bottom mold 14 relatively combined, and the mold shell 20 is arranged around the circumferential outer side of the bottle blowing mold 10; wherein the mechanical strength of the mold shell 20 is greater than the mechanical strength of the bottle blowing mold 10.

[0042] The 3D printed resin bottle blowing mold structure described in the utility model mainly includes an inner and outer layer structure, wherein the inner layer structure is a bottle blowing mold 10 that is rapidly formed by 3D printing technology, and the outer layer structure is a pre-fabricated standard mold shell 20. The bottle blowing mold 10 is arranged in the mold shell 20, and the mold shell 20 presses the two half bottle body molds 11 in the bottle blowing mold 10 together.

[0043] First, the two half-bottle body molds 11 and a bottle bottom mold 14 that match the outer contour of the product (plastic bottle) in the utility model are processed and formed by 3D printing technology, which has the characteristics of rapid prototyping. Compared with the blow bottle mold 10 made of metal material directly, the processing and manufacturing cost and processing and manufacturing time will be greatly reduced. In addition, the blow bottle mold structure described in the utility model is mainly used in the design and development process of PET plastic bottles. After completing the preliminary design of the mold, the blow bottle mold structure with the preliminary design is quickly processed by 3D printing, and then a small batch of sample bottles is manufactured by the blow bottle equipment, so as to realize the appearance evaluation and performance test of the PET plastic bottle, provide technical support for the optimization of the bottle body structure, avoid the need to process the corresponding blow bottle mold 10 by metal materials during the design and development process, reduce the cost of development and design, and shorten the development and design cycle.

[0044] Secondly, the mold shell 20 in the utility model is usually made of metal, which is a standard component. The mold shell 20 is not only used to fix the two half-bottle body molds 11 and the bottle bottom mold 14, but also can connect the entire bottle blowing mold structure to the bottle blowing equipment. Since the mold shell 20 is a standard part, it can be used in a bottle blowing mold 10 with a variety of different bottle blowing chambers 12, that is, in the design and 3D printing process of the half-bottle body mold 11 and the bottle bottom mold 14, its internal cross-sectional profile is designed according to actual needs, and its external profile size is a fixed standard size; therefore, when retesting the optimized mold, it is only necessary to reprocess the corresponding half-bottle body mold 11 and the bottle bottom mold 14 through 3D printing technology, without redesigning and processing the mold shell 20.

[0045] Finally, the two half-bottle body molds 11 and the bottle bottom mold 14 are usually printed with resin materials, which have relatively low mechanical strength, while the mold shell 20 made of metal material has relatively high mechanical strength. By arranging the mold shell 20 on the circumferential outer side of the half-bottle body mold 11, the structural strength of the bottle blowing mold 10 is improved, and the continuous production feasibility and life of the bottle blowing mold 10 are improved, thereby ensuring that the 3D printed resin bottle blowing mold structure can produce a sufficient number of samples for appearance evaluation and performance testing.

[0046] The specific structures of the various parts of the 3D printing resin bottle blowing mold structure described in the utility model and the connection relationship between them will be described in detail below.

[0047] First, if Figure 1 and Figure 2 As shown, for the bottle blowing mold 10 composed of two half bottle body molds 11, the bottle blowing mold 10 abandons the conventional metal processing method in the prior art and adopts the additive manufacturing method with relatively fast single-piece production speed; in this embodiment, the half bottle body mold 11 and the bottle bottom mold 14 are formed by resin material through 3D printing technology.

[0048] The bottle blowing mold 10 of the utility model is mainly used for producing PET plastic bottles, so it is neatly formed into a cylindrical structure; in other embodiments of the utility model, the overall shape of the bottle blowing mold 10 can be adapted and designed accordingly according to the shape of the product. The bottle blowing mold 10 includes two half-bottle body molds 11 that are relatively matched, and the two half-bottle body molds 11 are formed with half mold cavities on the sides facing each other. The two half mold cavities are matched to form a bottle blowing chamber 12. The cross-sectional profile of the bottle blowing chamber 12 (that is, the inner profile of the half-bottle body mold 11) is designed accordingly according to the shape of the product. It has different cross-sectional profile shapes for different product (plastic bottle) shapes. Since it is not very relevant to the utility model, the cross-sectional profile of the bottle blowing chamber 12 will not be further described here.

[0049] like Figure 1 and Figure 2 As shown, the bottle blowing mold 10 further includes a bottle bottom mold 14 . A bottle bottom interface 13 is formed at the bottom of the two opposing half-bottle body molds 11 , and the bottle bottom mold 14 is connected to the bottle bottom interface 13 .

[0050] Usually, the bottom structure of a PET plastic bottle is relatively complex, and is not a simple plane or curved structure. Therefore, if the bottle bottom mold 14 is formed by combining two half bottle body molds 11, that is, the bottle bottom mold 14 is divided into two halves, and each of them is printed and formed integrally with the two half bottle body molds 11, the risk of loose matching at the matching position of the bottle bottom will increase. Therefore, the bottle bottom mold 14 is used as a separate mold component, and its matching surface with the two half bottle body molds 11 is a circular ring structure, and the docking sealing effect is relatively good, thereby reducing the risk of leakage during the bottle blowing operation.

[0051] Specifically, Figure 1 As shown, the bottoms of the two half-bottle body molds 11 are each formed with a semicircular opening, which forms a circular bottle bottom interface 13 when joined together; the bottle bottom mold 14 is a conical structure as a whole, which is assembled in the bottle bottom interface 13 and forms a sealed connection with the two half-bottle body molds 11.

[0052] In this embodiment, the bottle blowing chamber 12 is a cylindrical space. In order to save the consumables of the bottle blowing mold 10 and ensure the uniformity of the side wall thickness of the bottle blowing mold 10, the outer side surfaces of the two half-bottle body molds 11 are semi-cylindrical surfaces. The tops of the two half-bottle body molds 11 that are opposite to each other have bottle blowing openings 15, which connect the bottle blowing chamber 12 with the external space; the setting of the bottle blowing openings 15 can facilitate the corresponding bottle blowing operation on the bottle blowing equipment, thereby producing plastic bottle samples in the bottle blowing chamber 12.

[0053] Secondly, if Figure 1 and Figure 2 As shown, the mold shell 20 surrounding the outside of the bottle blowing mold 10 includes two metal semi-cylinders 21 facing each other, a mold cavity 22 is formed between the two metal semi-cylinders 21, the bottle blowing mold 10 is arranged in the mold cavity 22, and the half bottle body mold 11 is in contact with the metal semi-cylinders 21. The two semi-cylinders made of metal are matched together to form the mold shell 20, and its overall structure is similar to that of the bottle blowing mold 10, both of which are cylindrical structures. The mold shell 20 can better cover the entire bottle blowing mold 10, and the two half bottle body molds 11 are squeezed together to improve the structural strength of the bottle blowing mold 10.

[0054] In this embodiment, the mold shell 20 is a steel component produced by conventional mechanical processing. The inner side surfaces of the two metal semi-cylinders 21 are semi-cylindrical surfaces that match the outer side surfaces of the two half-bottle body molds 11. In order to ensure the uniformity of the side wall thickness of the mold shell 20, the outer side surfaces of the two metal semi-cylinders 21 are also semi-cylindrical surfaces. However, the outer side surfaces of the metal semi-cylinders 21 are provided with structures for connecting with the bottle blowing equipment, such as grooves and connected screws. This connection structure is a conventional structure provided to achieve the connection between the bottle blowing mold structure and the bottle blowing equipment, so it will not be further described. A cylindrical mold cavity 22 is formed between the two metal semi-cylinders 21 that are matched together. The bottom of the mold cavity 22 is closed and the top is open. The bottle blowing mold 10 is set in the mold cavity 22, and its outer side wall abuts against the side wall of the mold cavity 22, and the bottom wall of the bottle blowing mold 10 abuts against the bottom wall of the mold cavity 22.

[0055] The structure and technical effects of the preferred embodiment of the 3D printing resin bottle blowing mold structure of the utility model will be further described in detail below.

[0056] According to one embodiment of the present utility model, Figure 1 and Figure 2 As shown, the mold shell 20 includes two metal semi-cylinders 21 that are relatively matched, and a metal support 23 connected to the bottom of the two metal semi-cylinders 21. A mold cavity 22 is formed between the two metal semi-cylinders 21 and the metal support 23. The bottle blowing mold 10 is arranged in the mold cavity 22. The half bottle body mold 11 is abutted against the metal semi-cylinders 21, and the metal support 23 is abutted against the bottle bottom mold 14.

[0057] In order to achieve the positioning and fixation of the bottle blowing mold 10 provided with the bottle bottom mold 14, the mold shell 20 is designed as a structural form of a combination of a metal support 23 and two metal semi-cylinders 21, wherein the two metal semi-cylinders 21 are used to fix the two half-bottle body molds 11, and the metal support 23 is used to fix the bottle bottom mold 14, thereby squeezing the two half-bottle body molds 11 and the bottle bottom mold 14 together to form a bottle blowing chamber 12 in the bottle blowing mold 10; wherein the metal support 23 is a metal rod.

[0058] Specifically, Figure 1 As shown, the structure of the two metal semi-cylinders 21 has been described in detail in the previous text and will not be repeated here. In this embodiment, the bottom of the mold cavity 22 formed between the two metal semi-cylinders 21 is also in the form of an opening, and the metal support 23 is arranged in the bottom opening and abuts against the bottle bottom mold 14, and the metal support 23 can provide a certain clamping force to the bottle bottom mold 14, so that it can be tightly assembled in the bottle bottom interface 13.

[0059] Better, such as Figure 1As shown, the bottle bottom mold 14 is connected to the metal support 23 by bolts; the bolt connection improves the structural strength of the connection between the metal support 23 and the bottle bottom mold 14, thereby preventing the bottle bottom mold 14 from falling out of the bottle bottom interface 13.

[0060] According to one embodiment of the present utility model, Figure 1 and Figure 2 As shown, the tops of the two half-bottle body molds 11 are provided with wear-resistant plates 16, and the wear-resistant plates 16 are provided with through holes 17 corresponding to the bottle blowing ports 15. The wear-resistant plates 16 can protect the tops of the two half-bottle body molds 11 to prevent them from excessive wear.

[0061] Specifically, the wear-resistant plate 16 is a circular sheet structure, which is covered on the top of the two half-bottle body molds 11, and has a through hole 17 corresponding to the bottle blowing port 15 at its center, and its edge is fixed to the top of the mold shell 20 by screws.

[0062] According to one embodiment of the present utility model, Figure 2 As shown, a positioning groove 18 is provided on the outer side of the half-bottle body mold 11, and a positioning strip 24 that can be clamped in the positioning groove 18 is provided on the inner side of the metal semi-cylinder 21; or, a positioning groove 18 is provided on the inner side of the metal semi-cylinder 21, and a positioning strip 24 that can be clamped in the positioning groove 18 is provided on the outer side of the half-bottle body mold 11. The positioning groove 18 and the positioning strip 24 clamped together can realize the axial positioning of the bottle blowing mold 10, which is convenient for the installation and positioning of the entire bottle blowing mold structure.

[0063] Specifically, in this embodiment, the positioning groove 18 is formed on the top outer wall of the half-bottle body mold 11, and the positioning strip 24 is formed on the top inner wall of the metal semi-cylinder 21; wherein the positioning groove 18 is a circular ring groove, including two semi-circular ring grooves respectively located on the outer walls of the two half-bottle body molds 11, and the positioning strip 24 is a circular ring protrusion, including two semi-circular ring protrusions respectively located on the inner walls of the two metal semi-cylinders 21. When the half-bottle body mold 11 is assembled in the metal semi-cylinder 21, the positioning strip 24 can be clamped in the positioning groove 18.

[0064] According to one embodiment of the present utility model, Figure 2 As shown, a bottle body pressing plate 25 facing the half-bottle body mold 11 is provided on the side wall of the metal semi-cylinder 21, and the bottle body pressing plate 25 abuts against the outer surface of the half-bottle body mold 11. The pressing force applied to the two half-bottle body molds 11 by the bottle body pressing plate 25 can be adjusted according to actual needs, thereby adapting to different actual processing environments and compensating for the printing processing errors of the two half-bottle body molds 11.

[0065] Specifically, a plurality of fixing holes penetrating the side wall of the metal semi-cylinder 21 are provided, and the bottle body pressing plate 25 is provided in each fixing hole; the bottle body pressing plate 25 has a connected arc portion and an adjustment portion, wherein the arc portion is located at the inner side wall of the metal semi-cylinder 21 and abuts against the outer wall surface of the half-bottle body mold 11, and the adjustment portion is located in the above-mentioned fixing hole, and a long strip-shaped through groove is provided on the adjusting portion, and a movable fastening bolt passing through the through groove of the adjusting portion can fasten it in the fixing hole. When performing the actual bottle blowing operation, first loosen the fastening bolt in the through groove, adjust the position of the arc portion through the through groove so that it abuts against the half-bottle body pressing plate 25, and then tighten the above-mentioned fastening bolt to fix the bottle body pressing plate 25.

[0066] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific embodiment of the utility model and is not intended to limit the scope of protection of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A 3D printed resin bottle blowing mold structure, characterized in that: include: Two half-bottle body molds and one bottle bottom mold formed by 3D printing, the two half-bottle body molds and the bottle bottom mold are combined to form a bottle blowing mold, and a bottle blowing chamber is formed in the bottle blowing mold; A mold shell capable of making the two half-bottle body molds and the bottle bottom mold relatively fit together, the mold shell being arranged around the outer side of the bottle blowing mold in the circumferential direction; Wherein, the mechanical strength of the mold shell is greater than the mechanical strength of the bottle blowing mold.

2. The 3D printing resin bottle blowing mold structure according to claim 1, characterized in that: A bottle bottom interface is formed at the bottom of the two relatively matched half-bottle body molds, and the bottle bottom mold is relatively connected to the bottle bottom interface.

3. The 3D printing resin bottle blowing mold structure according to claim 1, characterized in that: The mold shell includes two metal semi-cylinders that are relatively connected, a mold cavity is formed between the two metal semi-cylinders, the bottle blowing mold is arranged in the mold cavity, and the half bottle body mold abuts against the metal semi-cylinders.

4. The 3D printing resin bottle blowing mold structure according to claim 2, characterized in that: The mold shell includes two metal semi-cylinders that are relatively matched, and a metal support connected to the bottom of the two metal semi-cylinders. A mold cavity is formed between the two metal semi-cylinders and the metal support. The bottle blowing mold is arranged in the mold cavity. The half bottle body mold is abutted against the metal semi-cylinders, and the metal support is abutted against the bottle bottom mold.

5. The 3D printing resin bottle blowing mold structure according to claim 4, characterized in that: The bottle bottom mold and the metal support are connected via bolts.

6. The 3D printing resin bottle blowing mold structure according to claim 1 or 2, characterized in that: The tops of the two relatively matched half-bottle body molds are provided with bottle blowing ports.

7. The 3D printing resin bottle blowing mold structure according to claim 6, characterized in that: The tops of the two half-bottle body molds are provided with wear-resistant plates, and the wear-resistant plates are provided with through holes corresponding to the bottle blowing ports.

8. The 3D printing resin bottle blowing mold structure according to claim 3 or 4, characterized in that: A positioning groove is provided on the outer side surface of the half-bottle body mold, and a positioning strip that can be clamped in the positioning groove is provided on the inner side surface of the metal semi-cylinder; or, a positioning groove is provided on the inner side surface of the metal semi-cylinder, and a positioning strip that can be clamped in the positioning groove is provided on the outer side surface of the half-bottle body mold.

9. The 3D printing resin bottle blowing mold structure according to claim 3 or 4, characterized in that: A bottle body pressing plate facing the half bottle body mold is arranged on the side wall of the metal semi-cylinder, and the bottle body pressing plate abuts against the outer side surface of the half bottle body mold.

10. The 3D printing resin bottle blowing mold structure according to claim 1, characterized in that: The half-bottle body mold is a semi-cylindrical structure formed by using resin material through 3D printing technology.

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