Hot press molding equipment for antibacterial composite resin teeth

By optimizing the mold structure and antibacterial agent delivery mechanism, the problems of uneven material distribution and insufficient antibacterial performance during the hot pressing molding of composite resin teeth were solved, achieving high-precision molding and improved antibacterial effects.

CN223354746UActive Publication Date: 2025-09-19ANYANG YINGPAI DENTAL MATERIAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422700912.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-09-19
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

Existing composite resin tooth hot pressing molding equipment has uneven material distribution, is prone to bubbles and cracks, and has insufficient antibacterial performance after molding, affecting product quality and service life.

Method used

The mold structure with adjustable spacing, the microporous structure in the lower mold and the antimicrobial agent delivery mechanism are adopted to ensure uniform distribution of materials and effective penetration of antimicrobial agents. Combined with the heating element, precise molding and improved antimicrobial performance are achieved.

Benefits of technology

It improves molding accuracy and efficiency, avoids bubbles and cracks, enhances the antibacterial properties of the product, extends its service life and reduces health risks.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223354746U_ABST
    Figure CN223354746U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of manufacturing of resin teeth, in particular to hot press forming equipment for antibacterial composite resin teeth, which comprises an upper die, a lower die and a base, an adjusting mechanism capable of adjusting space is arranged between the upper die and the lower die, and a microporous structure and an antibacterial agent conveying mechanism are respectively arranged inside and outside the lower die. The upper die is provided with a microporous structure, the microporous structure is communicated with the antibacterial agent conveying mechanism, the bottom of the upper die is provided with a plurality of uniformly distributed heating elements, the adjusting mechanism is composed of a guide plate, a rack, a support and a gear, the guide plate and the rack are fixed on the upper die, and the support and the gear are fixed on the base. According to the hot press molding equipment for the antibacterial composite resin tooth, by optimizing the mold structure, uniform distribution of materials is achieved, bubbles and cracks are avoided, meanwhile, the antibacterial performance of a product is enhanced, the overall quality of the composite resin tooth is improved, and the service life of the composite resin tooth is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of resin tooth manufacturing, in particular to hot pressing molding equipment for antibacterial composite resin teeth. Background Art

[0002] With the improvement of living standards and the development of medical technology, people's demand for oral health is increasing. Among oral restoration materials, composite resin teeth are widely used due to their good aesthetics and biocompatibility. Composite resin materials can simulate the color and texture of natural teeth, while also possessing a certain mechanical strength, making them suitable for the restoration of anterior and posterior teeth. However, in actual application, the production process and technology of traditional composite resin teeth have some shortcomings, which limit their wider clinical application and development.

[0003] While existing hot-pressing equipment for composite resin teeth can meet production needs to a certain extent, it still needs to be improved in terms of molding accuracy, efficiency, and antibacterial properties. For example, during the traditional hot-pressing process, improper mold design leads to uneven material distribution, which can easily cause defects such as bubbles and cracks, affecting the quality of the final product. Furthermore, the surface treatment of the molded composite resin teeth is not fine enough to effectively inhibit bacterial growth, and long-term use may cause oral diseases. These problems not only shorten the service life of composite resin teeth but also pose unnecessary health risks to patients. Utility Model Content

[0004] The purpose of the present utility model is to provide a hot pressing molding device for antibacterial composite resin teeth, so as to solve the problems raised in the above-mentioned background technology, namely, uneven material distribution, easy generation of bubbles and cracks during the hot pressing molding process of composite resin teeth, and insufficient antibacterial performance of the molded product.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hot pressing molding device for antibacterial composite resin teeth, comprising an upper mold, a lower mold and a base. An adjustment mechanism with adjustable spacing is provided between the upper mold and the lower mold. A microporous structure and an antibacterial agent delivery mechanism are provided inside and outside the lower mold respectively. The microporous structure and the antibacterial agent delivery mechanism are connected, and a number of evenly distributed heating elements are provided at the bottom of the upper mold. The adjustment mechanism consists of a guide plate, a rack, a bracket and a gear. The guide plate and the rack are fixed on the upper mold, and the bracket and the gear are fixed on the base.

[0006] Preferably, the microporous structure is composed of a plurality of tiny holes and a convergence cavity, the tiny holes are evenly distributed on the forming surface of the lower mold, and the convergence cavity is arranged at the bottom of the entire tiny holes.

[0007] Preferably, the antimicrobial agent delivery mechanism includes a liquid storage tank, an infusion tube and a flow control valve. The liquid storage tank is installed on one side of the outside of the lower mold, one end of the infusion tube is connected to the liquid storage tank, and the other end is connected to the convergence cavity. The flow control valve is installed at the connection between the liquid storage tank and the infusion tube.

[0008] Preferably, wires are provided on both sides of the top of the heating element, and the wires pass through the upper mold and are connected to an external power source.

[0009] Preferably, an adjustment shaft passing through the bracket is provided at the center of the gear, and an adjustment stud is inserted and connected to the back side of the bracket through a screw ring, and the adjustment stud is located at one end of the adjustment shaft and is fixed with a block through a connecting piece.

[0010] Preferably, the adjustment mechanism further includes a guide column fixed on the base, and guide sleeves cooperating with the guide column are provided on both sides of the upper mold, and the upper end of the guide column movably passes through the guide sleeve.

[0011] Compared with existing technologies, the present invention offers the following advantages: By optimizing the mold structure, the hot-pressing molding equipment for antibacterial composite resin teeth achieves uniform material distribution, avoids bubbles and cracks, and simultaneously enhances the product's antibacterial properties, improving the overall quality and service life of the composite resin teeth. The equipment's adjustable mechanism between the upper and lower molds ensures precise control of the mold spacing, further improving molding accuracy. Furthermore, the combination of the microporous structure within the lower mold and the external antibacterial agent delivery mechanism ensures uniform distribution of the antibacterial agent throughout the composite resin material, effectively inhibiting bacterial growth. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of a hot pressing molding device for antibacterial composite resin teeth of the utility model;

[0013] Figure 2 This is a schematic diagram of the external top view of the bracket structure of a hot pressing molding device for antibacterial composite resin teeth of the utility model;

[0014] Figure 3 This is a schematic diagram of the top view of the lower mold of a hot pressing molding device for antibacterial composite resin teeth in the utility model.

[0015] In the figure: 1. Upper mold; 2. Lower mold; 3. Base; 4. Adjustment mechanism; 41. Guide plate; 42. Rack; 43. Bracket; 44. Gear; 45. Guide sleeve; 46. Guide column; 47. Adjustment shaft; 48. Adjustment stud; 49. Block; 5. Microporous structure; 51. Tiny holes; 52. Converging cavity; 6. Antibacterial agent delivery mechanism; 61. Liquid storage tank; 62. Infusion tube; 63. Flow control valve; 7. Heating element; 71. Wire. DETAILED DESCRIPTION

[0016] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-3The utility model provides a technical solution: a hot pressing molding device for antibacterial composite resin teeth, comprising an upper mold 1, a lower mold 2 and a base 3, the base 3 is fixed to the bottom of the lower mold 2, an adjustment mechanism 4 with adjustable spacing is provided between the upper mold 1 and the lower mold 2, the interior and exterior of the lower mold 2 are respectively provided with a microporous structure 5 and an antibacterial agent delivery mechanism 6, the microporous structure 5 and the antibacterial agent delivery mechanism 6 are connected, and a plurality of evenly distributed heating elements 7 are provided at the bottom of the upper mold 1, the adjustment mechanism 4 is composed of a guide plate 41, a rack 42, a bracket 43 and a gear 44, the guide plate 41 and the rack 42 are fixed to the upper mold 1, the top of the guide plate 41 is welded and fixed to the outer wall of the bottom end of the side of the upper mold 1, the rack 42 is fixed to the outer side of the bottom end of the guide plate 41 by screws, the bracket 43 and The gear 44 is fixed on the base 3, and the pad of the bracket 43 is welded and fixed to the bottom of the base 3. The gear 44 is rotatably connected to the upper end of the bracket 43 and meshed with the rack 42. The upper mold 1 and the lower mold 2 of this structure can achieve precise adjustment of the spacing through the adjustment mechanism 4 therebetween, that is, when it is necessary to adjust the spacing between the upper mold 1 and the lower mold 2, the operator rotates the gear 44 on the bracket 43, and the gear 44 meshes with the rack 42 to move the guide plate 41 up and down to achieve fine-tuning of the height of the upper mold 1, thereby achieving precise adjustment of the spacing, and the antibacterial agent delivery mechanism 6 can evenly deliver the antibacterial agent to the composite resin material by cooperating with the microporous structure 5, thereby ensuring the antibacterial performance of the composite resin tooth after molding, and at the same time the heating element 7 can evenly heat the composite resin tooth. Composite resin materials promote the fluidity and molding quality of materials, avoid the generation of bubbles and cracks, thereby not only improving the molding accuracy and efficiency, but also significantly improving the surface quality and antibacterial properties of composite resin teeth, and solving the problems of uneven material distribution, bubbles, cracks, etc. caused by unreasonable mold design of traditional equipment, effectively extending the service life of composite resin teeth and reducing the health risks of patients. The microporous structure 5 is composed of multiple tiny holes 51 and convergence cavity 52. ​​The tiny holes 51 are evenly distributed on the molding surface of the lower mold 2. The diameter of the tiny holes 51 is 10-50 microns. The convergence cavity 52 is located at the bottom of the entire tiny hole 51. During the molding process of this structure, the antibacterial agent is evenly distributed to each tiny hole 51 through the convergence cavity 52, and then from The tiny holes 51 penetrate into the composite resin material, ensuring the uniform distribution of the antibacterial agent in the material. The tiny holes 51 not only ensure the effective transmission of the antibacterial agent, but also prevent the problem of material leakage caused by the holes being too large or the poor transmission of the antibacterial agent caused by the holes being too small. This not only improves the utilization rate of the antibacterial agent, but also enhances the antibacterial performance of the composite resin teeth, effectively prevents the growth of bacteria, and improves the surface quality and antibacterial effect of the composite resin teeth. The antibacterial agent delivery mechanism 6 includes a liquid storage tank 61, an infusion tube 62 and a flow control valve 63. The liquid storage tank 61 is installed on one side of the outside of the lower mold 2. One end of the infusion tube 62 is connected to the liquid storage tank 61, and the other end is connected to the convergence cavity 52. ​​The flow control valve 63 is installed at the connection between the liquid storage tank 61 and the infusion tube 62.In this structure, the antibacterial agent is transported from the liquid storage tank 61 to the convergence chamber 52 through the infusion tube 62, and then evenly distributed to the tiny holes 51 through the convergence chamber 52, and finally penetrates into the composite resin material. The flow control valve 63 can accurately control the flow of the antibacterial agent to ensure the uniform distribution of the antibacterial agent in the material, avoiding excessive or insufficient conditions. Wires 71 are provided on both sides of the top of the heating element 7, and the wires 71 pass through the upper mold 1 and are connected to an external power supply. In this structure, the external power supply supplies power to the heating element 7 through the wires 71, and the heating element 7 evenly heats the composite resin material at the bottom of the upper mold 1, ensuring the fluidity of the material at high temperatures and promoting sufficient filling and uniform distribution of the material. An adjustment shaft 47 is provided at the center of the gear 44, which passes through the bracket 43, and an adjustment stud 48 is inserted and connected to the back side of the bracket 43 through a screw ring, and the adjustment The stud 48 is located at one end of the adjustment shaft 47 and is fixed with a block 49 through a connecting piece. The block 49 is provided with a bayonet that matches the structure of the adjustment shaft 47. The adjustment shaft 47 of this structure can be displaced by rotating on the back side of the bracket 43 to drive the bayonet on the block 49 to match the structure of the adjustment shaft 47, ensuring the stability and anti-loosening of the adjustment shaft 47 and avoiding adjustment failure due to vibration during use. The adjustment mechanism 4 also includes a guide column 46 fixed to the base 3. Both sides of the upper mold 1 are provided with a guide sleeve 45 that cooperates with the guide column 46. The upper end of the guide column 46 movably passes through the guide sleeve 45. When adjusting the distance between the upper mold 1 and the lower mold 2, this structure ensures the stability and linearity of the upper mold 1 during the up and down movement, avoiding molding errors caused by offset or shaking.

[0018] Working principle: When using the hot pressing molding equipment for antibacterial composite resin teeth, first put the composite resin material into the lower mold 2, and then connect the wire 71 through the external power supply to supply power to the heating element 7. The heating element 7 evenly heats the composite resin material at the bottom of the upper mold 1 to ensure the fluidity of the material at high temperature and promote the full filling and uniform distribution of the material. At the same time, the operator rotates the gear 44 on the bracket 43, and the gear 44 engages with the rack 42 to move the guide plate 41 up and down, thereby achieving fine adjustment of the height of the upper mold 1 and ensuring that the distance between the upper mold 1 and the lower mold 2 is accurately adjusted. Then, the adjusting shaft 47 is rotated on the back side of the bracket 43 to drive the bayonet on the block 49 to engage with the adjusting shaft 47. The structures are consistent with each other, ensuring the stability and anti-loosening of the adjustment shaft 47. At the same time, when the upper mold 1 moves up and down, the cooperation of the guide column 46 and the guide sleeve 45 ensures the stability and linearity of the upper mold 1. At the same time, the antibacterial agent in the antibacterial agent delivery mechanism 6 is delivered from the liquid storage tank 61 to the convergence cavity 52 through the infusion tube 62, and then evenly distributed to the tiny holes 51 through the convergence cavity 52, and finally penetrates into the composite resin material. The flow control valve 63 accurately controls the flow of the antibacterial agent to ensure the uniform distribution of the antibacterial agent in the material. During the whole process, the design of the tiny holes 51 and the convergence cavity 52 in the microporous structure 5 ensures the effective transmission of the antibacterial agent and improves the utilization rate of the antibacterial agent, thereby completing a series of tasks.

[0019] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hot pressing molding device for an antibacterial composite resin tooth, comprising an upper mold (1), a lower mold (2) and a base (3), characterized in that: An adjusting mechanism (4) with adjustable spacing is provided between the upper mold (1) and the lower mold (2), a microporous structure (5) and an antimicrobial agent delivery mechanism (6) are provided inside and outside the lower mold (2), respectively, the microporous structure (5) and the antimicrobial agent delivery mechanism (6) are connected, and a plurality of evenly distributed heating elements (7) are provided at the bottom of the upper mold (1), the adjusting mechanism (4) is composed of a guide plate (41), a rack (42), a bracket (43) and a gear (44), the guide plate (41) and the rack (42) are fixed on the upper mold (1), and the bracket (43) and the gear (44) are fixed on the base (3).

2. The hot pressing molding device for antibacterial composite resin teeth according to claim 1, characterized in that: The microporous structure (5) is composed of a plurality of micropores (51) and a convergence cavity (52), wherein the micropores (51) are evenly distributed on the molding surface of the lower mold (2), and the convergence cavity (52) is arranged at the bottom of the entire micropores (51).

3. The hot pressing molding device for antibacterial composite resin teeth according to claim 2, characterized in that: The antimicrobial agent delivery mechanism (6) comprises a liquid storage tank (61), a liquid infusion tube (62) and a flow control valve (63). The liquid storage tank (61) is installed on one side of the outside of the lower mold (2). One end of the liquid infusion tube (62) is connected to the liquid storage tank (61), and the other end is connected to the convergence chamber (52). The flow control valve (63) is installed at the connection between the liquid storage tank (61) and the liquid infusion tube (62).

4. The hot pressing molding device for antibacterial composite resin teeth according to claim 1, characterized in that: Wires (71) are provided on both sides of the top of the heating element (7), and the wires (71) pass through the upper mold (1) and are connected to an external power source.

5. The hot pressing molding device for antibacterial composite resin teeth according to claim 1, characterized in that: An adjusting shaft (47) passing through the bracket (43) is provided at the center of the gear (44), and an adjusting stud (48) is inserted and connected to the back side of the bracket (43) through a screw ring, and a clamping block (49) is fixed to one end of the adjusting stud (48) located on the adjusting shaft (47) through a connecting piece.

6. The hot pressing molding device for antibacterial composite resin teeth according to claim 1, characterized in that: The adjustment mechanism (4) further comprises a guide column (46) fixed on the base (3), and guide sleeves (45) cooperating with the guide column (46) are provided on both sides of the upper mold (1), and the upper end of the guide column (46) movably passes through the guide sleeve (45).