False tooth forming mold

By driving multiple moving molds to close together to form a mold cavity for injection molding through a mold closing drive component, and then directly sending it to the grinding process, the problem of long processing cycle and low efficiency of denture models in the existing technology is solved, and the efficient molding of multiple denture models is realized.

CN223573743UActive Publication Date: 2025-11-21深圳大粤齿科技术开发有限公司
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Patent Information

Application Number
CN202423018348.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-21
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing denture molding molds require the use of a cutting machine to remove the sleeve when removing the molded denture model, which prolongs the processing cycle and can only mold one denture model at a time, resulting in low efficiency.

Method used

Multiple moving molds are driven to approach and enclose each other to form a mold cavity using a mold closing drive component. The mold is then injection molded through an injection port. After cooling, the molded denture model is directly sent to the grinding process. When the moving molds separate, the molded denture model is removed. The mold can mold multiple denture models at once.

Benefits of technology

It shortened the processing cycle of denture models, improved molding efficiency, and enabled the simultaneous molding of multiple denture models.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of false tooth processing, in particular to a false tooth forming mold which comprises a base, a controller, a fixed mold, a first movable mold, a second movable mold, a first mold closing driving assembly, a third movable mold and a second mold closing driving assembly, a plurality of protrusions are arranged on the rear side of the first movable mold, indents are formed in the front side of the second movable mold and right opposite to the protrusions, and the indents are arranged on the base. A plurality of recesses are formed in the bottom of the third movable mold, the first mold closing driving assembly drives the first movable mold and the second movable mold to be close to each other, and meanwhile, after the second mold closing driving assembly drives the third movable mold to descend, the upper surface of the fixed mold, a protrusion on the rear side of the first movable mold, an inner recess in the front side of the second movable mold and the recess in the bottom of the third movable mold are closed to define a mold cavity; an injection molding opening communicated with the mold cavity is formed in the movable mold III; according to the utility model, the formed false tooth model can be directly sent to the next grinding procedure, the processing cycle of the false tooth model is shortened, a plurality of false tooth models can be formed at one time, and the forming efficiency of the false tooth model is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a false tooth processing technical field, concretely to a false tooth forming die. BACKGROUND

[0002] In the production process of plastic teeth, a mold is needed to help the false tooth model forming, for example, the false tooth forming die structure disclosed in the existing Chinese patent with the authorization announcement No. CN217318985U, which comprises a workbench, a first mold plate and a second mold plate, the inner side top end right side of the workbench is fixedly connected with the first mold plate, the inner side of the first mold plate is provided with a false tooth model, the upper and lower sides of the rear end of the false tooth model are fixedly connected with sleeves, the inner side of the false tooth model is fixedly connected with a glue injection port, the inner side of the sleeve is provided with a threaded hole, the threaded hole is threadedly connected with a first threaded rod, the upper and lower ends of the first threaded rod penetrate through a first gear, the first threaded rod is fixedly connected with the first gear, the other end of the first threaded rod is rotatably connected with a first housing, the outer side of the first threaded rod is rotatably connected with the second mold plate, in the process of manufacturing the false tooth model, the mold structure facilitates the removal of the false tooth model, saves the time of removing the false tooth model, and thus improves the working efficiency of manufacturing the false tooth model.

[0003] However, the above-mentioned mold still has the following disadvantages in actual application: first, after the false tooth model is formed, it needs to be cut off by a cutting machine before the next polishing process, which is not convenient to use and prolongs the processing period of the false tooth model; second, the above-mentioned mold can only form one false tooth model at a time, which leads to low efficiency of false tooth model forming. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned shortage, provides a false tooth forming die, which can directly send the formed false tooth model into the next polishing process, shorten the processing period of the false tooth model, and also can form multiple false tooth models at a time, improve the forming efficiency of the false tooth model.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model relates to a denture forming die, including the base, the controller of setting up in the base one side, the fixed die of fixing on the base, the movable die one and movable die two of sliding connection on the base, the die driving assembly one for driving movable die one and movable die two are adopted to each other close, the movable die three of setting up above the fixed die, the die driving assembly two for driving movable die three ascends or falls is adopted, the rear side of movable die one is provided with a plurality of protrusions, the front side of movable die two is provided with the female recess opposite the protrusion, the bottom of movable die three is provided with a plurality of recesses, the die driving assembly one drives movable die one and movable die two are driven to each other close, and the die driving assembly two drives movable die three to drop behind, the fixed die upper surface, the protrusion of movable die one rear side, the female recess of movable die two front side and the recess of movable die three bottom are enclosed and form the die cavity after closing between, the injection port of being communicated the die cavity is set up on movable die three, and the die driving assembly one and die driving assembly two all electrically connect the controller.

[0007] Further, two parallel grooves are provided on the base for connecting the two grooves, and a connecting groove is used for connecting the two grooves; the die driving assembly one comprises a motor fixed on one side of the base, a lead screw rotatably connected in the groove, a sliding block one and a sliding block two slidingly connected in the groove, a transmission structure for connecting the lead screw and the motor, two adjacent external threads one and two with opposite rotation directions are provided on the lead screw, and an internal thread hole one and an internal thread hole two are provided on the sliding block one and the sliding block two, respectively, and the movable die one and the movable die two are fixed on the sliding block one and the sliding block two, respectively.

[0008] Further, a driven bevel gear is mounted at one end of the lead screw; the transmission structure comprises a transmission shaft rotatably connected in the connecting groove, the output shaft of the motor is drivingly connected to the transmission shaft, and a driving bevel gear is provided on the transmission shaft and engaged with the driven bevel gear.

[0009] Further, the die driving assembly two comprises a H-shaped frame body mounted on the base, an electric cylinder vertically fixed on the transverse part of the H-shaped frame body, and the piston rod head of the electric cylinder vertically extends downward to drivingly connect the movable die three.

[0010] Further, at least two die cavities are provided, and the at least two die cavities are equidistantly arranged.

[0011] The utility model has the advantages that:

[0012] In practical applications, during use, the first mold-closing drive component drives the first and second moving molds to move closer together, while the second mold-closing drive component drives the third moving mold to descend. This causes the upper surface of the fixed mold, the protrusion on the rear side of the first moving mold, the indentation on the front side of the second moving mold, and the recess at the bottom of the third moving mold to close and form a mold cavity. Molding is then injected into the mold cavity through the injection port. After the denture model inside the mold cavity cools and solidifies, the first mold-closing drive component drives the first and second moving molds to move away from each other, while the second mold-closing drive component drives the third moving mold to rise. This allows the formed denture model to be removed from the base and sent to the next grinding process. This invention can not only directly send the formed denture model to the next grinding process, shortening the processing cycle of the denture model, but also form multiple denture models at once, improving the forming efficiency of the denture model. Attached Figure Description

[0013] Figure 1 This is a first-view structural schematic diagram of the present invention;

[0014] Figure 2 This is a structural schematic diagram of the present invention from a second perspective;

[0015] Figure 3 This is a partial sectional view of the top view of this utility model;

[0016] Reference numerals: Base 1; Slide groove 11; Connecting groove 12; Controller 2; Fixed mold 3; Moving mold one 4; Protrusion 41; Moving mold two 5; Inner recess 51; Moving mold three 6; Recess 61; Injection port 62; Lead screw 71; Driven bevel gear 711; Drive shaft 721; Driven bevel gear 722; Motor 73; U-shaped frame 81; Electric cylinder 82. Detailed Implementation

[0017] like Figure 1 , Figure 2 and Figure 3As shown, a denture forming mold, comprising a base 1, a controller 2 arranged on one side of the base 1, a fixed mold 3 fixed on the base 1, a movable mold one 4 and a movable mold two 5 slidingly connected on the base 1, a mold closing driving assembly one for driving the movable mold one 4 and the movable mold two 5 to approach each other, a movable mold three 6 arranged above the fixed mold 3, a mold closing driving assembly two for driving the movable mold three 6 to ascend or descend, a plurality of protrusions 41 arranged on the rear side of the movable mold one 4, a plurality of concaves 51 arranged on the front side of the movable mold two 5 and facing the protrusions 41, a plurality of recesses 61 arranged on the bottom of the movable mold three 6, the mold closing driving assembly one drives the movable mold one 4 and the movable mold two 5 to approach each other, at the same time, the mold closing driving assembly two drives the movable mold three 6 to descend, and then the mold cavity is formed by the fixed mold 3, the protrusions 41 on the rear side of the movable mold one 4, the concaves 51 on the front side of the movable mold two 5 and the recesses 61 on the bottom of the movable mold three 6, an injection port 62 is arranged on the movable mold three 6 and communicates with the mold cavity, and the mold closing driving assembly one and the mold closing driving assembly two are electrically connected with the controller 2.

[0018] In use, the mold closing driving assembly one drives the movable mold one 4 and the movable mold two 5 to approach each other, at the same time, the mold closing driving assembly two drives the movable mold three 6 to descend, so that the mold cavity is formed by the fixed mold 3, the protrusions 41 on the rear side of the movable mold one 4, the concaves 51 on the front side of the movable mold two 5 and the recesses 61 on the bottom of the movable mold three 6, and then the mold cavity is injected through the injection port 62, after the denture model in the mold cavity is cooled and formed, the mold closing driving assembly one drives the movable mold one 4 and the movable mold two 5 to move away from each other, at the same time, the mold closing driving assembly two drives the movable mold three 6 to ascend, so that the denture model formed on the base 1 can be taken down and sent to the next polishing process, the denture model formed on the base 1 can be directly sent to the next polishing process, the processing period of the denture model is shortened, and a plurality of denture models can be formed at one time, so that the forming efficiency of the denture model is improved

[0019] As Figure 1 , Figure 2 and Figure 3As shown, the base 1 is provided with two parallel sliding grooves 11, and a connecting groove 12 is arranged for connecting the two sliding grooves 11; the mold closing driving assembly I includes a motor 73 fixed on one side of the base 1, a lead screw 71 rotatably connected in the sliding groove 11, a sliding block I and a sliding block II slidably connected in the sliding groove 11, a transmission structure for connecting the lead screw 71 and the motor 73, two opposite external threads I and II arranged on the lead screw 71, and internal thread holes I and II arranged on the sliding block I and the sliding block II respectively and opposite to the external threads I and II, and the movable mold I 4 and the movable mold II 5 are fixed on the sliding block I and the sliding block II respectively; in this embodiment, the motor 73 drives the lead screw 71 to rotate through the transmission structure, the sliding block I and the movable mold I 4 are driven to move through the internal thread hole I and the external thread I, and the sliding block II and the movable mold II 5 are driven to move through the internal thread hole II and the external thread II, so that the sliding block I and the sliding block II move close to or away from each other, and the movable mold I 4 and the movable mold II 5 move close to or away from each other.

[0020] As shown in Figure 1 , Figure 2 and Figure 3 , one end of the lead screw 71 is provided with a driven bevel gear 711; the transmission structure includes a transmission shaft 721 rotatably connected in the connecting groove 12, the output shaft of the motor 73 is drivingly connected to the transmission shaft 721, and the transmission shaft 721 is provided with a driving bevel gear 722 engaged with the driven bevel gear 711; in this embodiment, during the rotation of the motor 73 driving the transmission shaft 721, the transmission shaft 721 drives the lead screw 71 to rotate through the engagement of the driving bevel gear 722 and the driven bevel gear 711, so that the movable mold I 4 and the movable mold II 5 are closed or separated.

[0021] As shown in Figure 1 , Figure 2 and Figure 3 , the mold closing driving assembly II includes a door-shaped frame body 81 mounted on the base 1, and an electric cylinder 82 vertically fixed on the transverse part of the door-shaped frame body 81, and the piston rod head of the electric cylinder 82 vertically extends downward to drivingly connect the movable mold III 6; in this embodiment, the movable mold III 6 is driven to move downward to close the mold through the extension of the piston rod head of the electric cylinder 82.

[0022] As shown in Figure 1 , Figure 2 and Figure 3 , the mold cavity is provided with at least two, and the at least two mold cavities are equidistantly arranged; in this embodiment, at least two denture models can be formed at a time through the equidistant arrangement of the at least two mold cavities, and the forming efficiency of the denture models is higher.

[0023] The specific embodiments described herein are merely illustrative of the present application. Various modifications or changes can be made to the specific embodiments described herein by those skilled in the art without departing from the scope of the present application.

Claims

1. A denture molding mold, characterized in that: The system includes a base (1), a controller (2) disposed on one side of the base (1), a fixed mold (3) fixed on the base (1), two moving molds (4) and (5) slidably connected to the base (1), a mold-closing drive assembly 1 for driving the moving molds (4) and (5) to move closer to each other, a moving mold (6) disposed above the fixed mold (3), and a mold-closing drive assembly 2 for driving the moving mold (6) to rise or fall. The rear side of the moving mold (4) has multiple protrusions (41), and the front side of the moving mold (5) is directly opposite the protrusions (41). The bottom of the moving mold three (6) is provided with multiple recesses (61). The mold closing drive component one drives the moving mold one (4) and the moving mold two (5) to move closer to each other. At the same time, the mold closing drive component two drives the moving mold three (6) to descend. After the mold closing is completed, the upper surface of the fixed mold (3), the protrusion (41) on the rear side of the moving mold one (4), the inner recess (51) on the front side of the moving mold two (5) and the recess (61) at the bottom of the moving mold three (6) form a mold cavity. The moving mold three (6) is provided with an injection port (62) that communicates with the mold cavity. The mold closing drive component one and the mold closing drive component two are electrically connected to the controller (2).

2. The denture forming mold according to claim 1, characterized in that, The base (1) has two parallel sliding grooves (11) for connecting the two sliding grooves (11) to the connecting grooves (12); the mold closing drive assembly includes a motor (73) fixed on one side of the base (1), a lead screw (71) rotatably connected in the sliding groove (11), and a slider one and a slider two slidably connected in the sliding groove (11) for connecting the lead screw (71) and the transmission structure used by the motor (73). The lead screw (71) has two external threads one and two with opposite directions of rotation. The slider one and slider two are respectively provided with internal thread holes one and two facing the external threads one and external thread two. The moving mold one (4) and the moving mold two (5) are respectively fixed on the slider one and slider two.

3. The denture forming mold according to claim 2, characterized in that, One end of the lead screw (71) is equipped with a driven bevel gear (711); the transmission structure includes a transmission shaft (721) rotatably connected in the connecting groove (12), the output shaft of the motor (73) drives the transmission shaft (721), and the transmission shaft (721) is provided with a driving bevel gear (722) that meshes with the driven bevel gear (711).

4. A denture forming mold according to claim 1, characterized in that, The mold closing drive assembly two includes a portal frame (81) mounted on the base (1), an electric cylinder (82) vertically fixed to the horizontal part of the portal frame (81), and the piston rod of the electric cylinder (82) extending vertically downward to drive and connect to the moving mold three (6).

5. A denture forming mold according to claim 1, characterized in that, The mold cavity is provided with at least two cavities, and the at least two mold cavities are arranged at equal intervals.

Citation Information

Patent Citations

  • False tooth forming mold structure

    CN217318985U