Oral cavity tooth filling material mixing device
By designing a mixing device for oral filling materials, the problem of difficult to control the mixing ratio of powder and water agent is solved, and uniform mixing of powder and water agent and efficient filling performance of the filling materials is achieved.
Patent Information
- Application Number
- CN202510270009.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-04-25
AI Technical Summary
In the prior art, the mixing ratio of powder and water agent is difficult to control, which easily leads to the generation of pores in the filling material and affects the performance of the filling.
A mixing device for oral filling material is designed, including mixing container, end cap, incomplete gear, cam ring, powder hopper, water agent storage container and other components. Through an intermittent rotating mechanism and liquid level control device, a constant feeding amount and uniform mixing of powder and water agent are achieved.
Effectively control the mixing ratio of powder and water agent, avoid the generation of pores on dough-like plastics, and improve the filling performance of the filling material.
Smart Images
Figure CN119869334A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of powder-liquid mixing, and in particular to an oral filling material mixing device. Background Art
[0002] Dental filling is a method of repairing tooth defects with artificial materials. The material used for repair is called dental filling material. All tooth tissue defects caused by caries, wedge-shaped defects, trauma, etc. need to be repaired to restore their appearance and function. When the lesion has spread to the pulp and even caused periapical disease, the pulp should be treated first and then the tooth should be filled. Currently, the commonly used dental filling materials include silver-mercury alloy, composite resin, glass ionomer cement, glass ionomer resin, zinc oxide eugenol cement, zinc phosphate cement and polycarboxylate cement powder.
[0003] Before using the dental filling material, the powder and water need to be mixed. The commonly used mixing method is to place a certain amount of water in a clean glass or porcelain mixing cup, and then sprinkle the powder into it until the powder is completely soaked by the water but no excess water is visible, which is the appropriate ratio. Then use a stainless steel spatula to mix it evenly and wait for the mixture to become a dough-like plastic. In actual operation, this mixing method is difficult to control the mixing ratio of powder and water, which can easily lead to an imbalance in the ratio of powder and liquid. If there is too much water, the polymerization shrinkage is large and uneven, and irregular large pores or cavities will be formed everywhere in the dough-like plastic; if there is too little water, the powder is not completely swollen, and tiny pores can be formed, which are evenly distributed throughout the dough-like plastic. These pores provide a channel for bacteria to enter and cause reinfection, which may lead to complications such as pulpitis. If the pores cause secondary infection, symptoms such as toothache, difficulty chewing, bad breath, etc. may occur. In severe cases, systemic symptoms such as facial swelling and fever may also occur, seriously affecting the performance of the filling. Summary of the invention
[0004] The embodiment of the present invention provides an oral filling material mixing device, which can solve the problem in the prior art that the mixing ratio of powder and water is difficult to control when using manual mixing, which easily leads to an imbalance in the ratio of powder and liquid, and easily forms pores on the dough-like plastic material, seriously affecting the filling performance of the filling material.
[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: an oral filling material mixing device, comprising a mixing container, the upper end of the mixing container is detachably connected to an end cover, the middle part of the lower surface of the end cover is rotatably connected to an incomplete gear, the upper surface of the incomplete gear is provided with a cam ring, a powder upper hopper and a liquid storage container are provided on the end cover, the lower part of the powder upper hopper is provided with an "I"-shaped piece, the "I"-shaped piece is elastically connected to a rack adapted to the incomplete gear, and the rack A powder metering cylinder is provided at one end, a sealing cover is hinged at the lower end of the powder metering cylinder, a sealing plate is provided at the upper part of the powder metering cylinder, a vertical rod is vertically slidably connected to the end cover, the lower end of which is in close contact with the cam ring and the upper end of which extends into the liquid storage container, a blind hole is opened at the upper end of the vertical rod, a flow guide hole connected to the blind hole is provided on the vertical rod, a water metering cylinder connected to the blind hole is provided at the upper end of the vertical rod, a drainage tube adapted to the flow guide hole is provided on the end cover, and a liquid level control device is also provided on the liquid storage container;
[0006] The end cover is provided with an intermittent rotating mechanism for driving the incomplete gear to rotate intermittently.
[0007] Preferably, the incomplete gear is horizontally slidably connected to the "I"-shaped member, and a first elastic member is provided between the incomplete gear and the "I"-shaped member.
[0008] Preferably, a limit plate is provided at the lower end of the vertical rod, and a second elastic member is provided between the limit plate and the end cover.
[0009] Preferably, a sealing plug is slidably connected inside the water dosage cylinder, a plug having an upper end flush with the upper end surface of the sealing plug is provided in the middle of the sealing plug, the lower end of the plug is inserted into the blind hole, and a telescopic device fixedly connected to the sealing plug is provided at the upper end of the water dosage cylinder.
[0010] Preferably, the liquid level control device includes a liquid level sensor, a liquid replenishment pump and a controller, the liquid level sensor is arranged on the water dosage cylinder, the liquid replenishment pump connects the water dosage cylinder with the external water agent, and the controller is electrically connected to the liquid level sensor and the liquid replenishment pump.
[0011] Preferably, the intermittent rotating mechanism includes a "U"-shaped mounting plate, a first driving part, a driving wheel, a driving pin, a driven wheel and a driving groove, the "U"-shaped mounting plate is arranged on the lower surface of the end cover, the first driving part is arranged on the "U"-shaped mounting plate, the output end of the first driving part is arranged with a driving wheel, the driving wheel is eccentrically provided with a driving pin, the incomplete gear is coaxially provided with a driven wheel, and the edge of the driven wheel is provided with a driving groove adapted to the driving pin.
[0012] Preferably, a locking arc is provided on the driving wheel, and a locking groove adapted to the locking arc is formed on the driven wheel.
[0013] Preferably, a driving pulley is provided at the output end of the first driving portion. A stirring shaft is rotatably connected to the "U"-shaped mounting plate. Horizontal stirring rods are provided on the stirring shaft. Stirring teeth are vertically provided on the horizontal stirring rods. A driven pulley is provided on the stirring shaft. A belt is connected between the driving pulley and the driven pulley for transmission.
[0014] Preferably, for the purpose of achieving..., preferably,...
[0015] Compared with the prior art, the present invention is provided with a mixing container, an end cover, an incomplete gear, a cam ring, a powder feeding hopper, an aqueous agent storage container, a "worker"-shaped member, a rack, a powder measuring cylinder, a sealing cover, a sealing plate, a vertical rod, a blind hole, a diversion hole, a water measuring cylinder, a drainage pipe, a liquid level control device and an intermittent rotation mechanism in cooperation. The intermittent rotation mechanism drives the incomplete gear to rotate intermittently. When the incomplete gear is not engaged with the rack, the powder measuring cylinder is located directly below the powder feeding hopper, and the powder in the powder feeding hopper falls into the powder measuring cylinder. When the incomplete gear is engaged with the rack, the powder measuring cylinder is pushed out by the rack, and the sealing cover is separated from the "worker"-shaped member and automatically opens under the action of the gravity of the powder. The powder enters the mixing container from the powder measuring cylinder. When the lower end of the vertical rod contacts the lower position of the cam ring, the upper end surface of the water measuring cylinder is below the liquid level in the aqueous agent storage container, and the aqueous agent enters the water measuring cylinder from the aqueous agent storage container. The liquid level control device keeps the liquid level of the aqueous agent in the aqueous agent storage container constant. When the lower end of the vertical rod contacts the upper position of the cam ring, the upper end surface of the water measuring cylinder is above the liquid level in the aqueous agent storage container, and the diversion hole connects the blind hole and the drainage pipe. The aqueous agent in the water measuring cylinder enters the mixing container through the drainage pipe. First, the single feeding amount of the aqueous agent and the powder is constant, which is convenient for controlling the mixing ratio of the powder and the aqueous agent, is beneficial to avoiding the generation of air holes on the dough-like plastic, and improves the filling performance of the filling material. Second, both the aqueous agent and the powder are intermittently fed multiple times, which is beneficial to the subsequent uniform mixing of the aqueous agent and the powder. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is the schematic front sectional structure view of the present invention;
[0017] Figure 2 is the schematic right view structure of the "worker"-shaped member of the present invention;
[0018] Figure 3 is the schematic top view structure of the powder measuring cylinder of the present invention;
[0019] Figure 4 is the schematic front sectional structure view of the "U"-shaped mounting plate of the present invention;
[0020] Figure 5 It is a schematic diagram of the top view of the intermittent rotating mechanism of the present invention;
[0021] Figure 6 For the present invention Figure 1 A schematic diagram of the enlarged structure in the middle.
[0022] In the figure: 1, mixing container; 2, end cover; 3, powder hopper; 4, liquid storage container; 5, incomplete gear; 6, cam ring; 7, "I" shaped piece; 8, rack; 9, first elastic piece; 10, powder metering cylinder; 11, sealing cover; 12, sealing plate; 13, vertical rod; 14, limit plate; 15, second elastic piece; 16, blind hole; 17, liquid metering cylinder; 18, diversion hole; 19, drainage tube; 20, sealing plug; 21, intubation; 22, telescopic device; 23, liquid level sensor device; 24, replenishing pump; 25, "U"-shaped mounting plate; 26, first driving part; 27, driving wheel; 28, driving pin; 29, driven wheel; 30, driving groove; 31, locking arc; 32, locking groove; 33, driving pulley; 34, stirring shaft; 35, horizontal stirring rod; 36, stirring teeth; 37, driven pulley; 38, belt; 39, roller; 40, base; 41, positioning groove; 42, groove column; 43, second driving part; 44, ball screw; 45, screw nut. DETAILED DESCRIPTION
[0023] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the technical solutions of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0024] like Figure 1 to Figure 6As shown in the figure, an oral filling material mixing device includes a mixing container 1. A cover 2 is detachably connected to the upper end of the mixing container 1. An incomplete gear 5 is rotatably connected to the middle of the lower surface of the cover 2. A cam ring 6 is arranged on the upper surface of the incomplete gear 5. A powder feeding hopper 3 and a water agent storage container 4 are arranged on the cover 2. A "worker"-shaped member 7 is arranged at the lower part of the powder feeding hopper 3. A rack 8 adapted to the incomplete gear 5 is elastically connected to the "worker"-shaped member 7. One end of the rack 8 is provided with a powder measuring cylinder 10. A sealing cover 11 is hinged to the lower end of the powder measuring cylinder 10. A sealing plate 12 is arranged at the upper part of the powder measuring cylinder 10. A vertical rod 13 is slidably connected to the cover 2. The lower end of the vertical rod 13 is in close contact with the cam ring 6, and the upper end extends into the water agent storage container 4. A blind hole 16 is opened at the upper end of the vertical rod 13. A diversion hole 18 communicating with the blind hole 16 is arranged on the vertical rod 13. A water agent measuring cylinder 17 communicating with the blind hole 16 is arranged at the upper end of the vertical rod 13. A drainage tube 19 adapted to the diversion hole 18 is arranged on the cover 2. A liquid level control device is also arranged on the water agent storage container 4;
[0025] An intermittent rotation mechanism for driving the intermittent rotation of the incomplete gear 5 is arranged on the cover 2.
[0026] During specific use, the intermittent rotation mechanism drives the intermittent rotation of the incomplete gear 5. When the incomplete gear 5 is not engaged with the rack 8, the powder measuring cylinder 10 is located directly below the powder feeding hopper 3, and the powder in the powder feeding hopper 3 falls into the powder measuring cylinder 10. When the incomplete gear 5 is engaged with the rack 8, the powder measuring cylinder 10 is pushed out by the rack 8, and the sealing cover 11 is separated from the "worker"-shaped member 7 and automatically opens under the gravity of the powder. The powder enters the mixing container 1 from the powder measuring cylinder 10. When the lower end of the vertical rod 13 contacts the low position of the cam ring 6, the upper end surface of the water agent measuring cylinder 17 is below the liquid level in the water agent storage container 4, and the water agent enters the water agent measuring cylinder 17 from the water agent storage container 4. The liquid level control device keeps the water agent liquid level in the water agent storage container 4 constant. When the lower end of the vertical rod 13 contacts the high position of the cam ring 6, the upper end surface of the water agent measuring cylinder 17 is above the liquid level in the water agent storage container 4, and the diversion hole 18 connects the blind hole 16 with the drainage tube 19. The water agent in the water agent measuring cylinder 17 enters the mixing container 1 through the drainage tube 19. The single feeding amount of the water agent and the powder is constant, which is convenient for controlling the mixing ratio of the powder and the water agent.
[0027] Preferably, the incomplete gear 5 is horizontally slidably connected to the "I"-shaped part 7, a first elastic part 9 is arranged between the incomplete gear 5 and the "I"-shaped part 7, a limit plate 14 is arranged at the lower end of the vertical rod 13, and a second elastic part 15 is arranged between the limit plate 14 and the end cover 2. When the incomplete gear 5 is disengaged from the rack 8, the rack 8 is reset under the elastic potential energy of the first elastic part 9, driving the powder metering barrel 10 to move to the bottom of the powder upper hopper 3 for receiving the material; when the vertical rod 13 is transformed from a high position to a low position, the water metering barrel 17 is reset under the elastic potential energy of the second elastic part 15, so that the upper end surface of the water metering barrel 17 is immersed below the water level of the water storage container 4 for receiving the material.
[0028] In order to achieve the purpose of adjusting the mixing ratio of the powder and the aqueous solution, preferably, the interior of the aqueous solution dosage barrel 17 is slidably connected with a sealing plug 20, and the middle part of the sealing plug 20 is provided with a plug 21 whose upper end is flush with the upper end surface of the sealing plug 20, and the lower end of the plug 21 is inserted into the blind hole 16, and the upper end of the aqueous solution dosage barrel 17 is provided with a telescopic device 22 fixedly connected to the sealing plug 20, and the telescopic device 22 is preferably an electric push rod or a cylinder. When it is necessary to increase the mixing ratio of the aqueous solution, the telescopic end of the telescopic device 22 extends to drive the sealing plug 20 to move downward, increase the effective volume of the aqueous solution dosage barrel 17, and increase the mixing ratio of the aqueous solution by increasing the aqueous solution feeding rate; when it is necessary to reduce the mixing ratio of the aqueous solution, the telescopic end of the telescopic device 22 contracts to drive the sealing plug 20 to move upward, reduce the effective volume of the aqueous solution dosage barrel 17, and reduce the mixing ratio of the aqueous solution by reducing the aqueous solution feeding rate. The mixing ratio of the powder and the aqueous solution can be adjusted when it is not appropriate, and can also be adjusted according to different requirements for the mixing ratio of the powder and the aqueous solution of different filling materials.
[0029] In order to achieve the purpose of controlling the mixing ratio of powder and aqueous solution, preferably, the liquid level control device includes a liquid level sensor 23, a rehydration pump 24 and a controller. The liquid level sensor 23 is arranged on the aqueous solution dosage cylinder 17, the rehydration pump 24 connects the aqueous solution dosage cylinder 17 with the external aqueous solution, and the controller is electrically connected to the liquid level sensor 23 and the rehydration pump 24. The liquid level sensor 23 detects the liquid level of the aqueous solution inside the aqueous solution storage container 4 in real time. When the liquid level drops, the controller promptly controls the rehydration pump 24 to start, replenishes the aqueous solution storage container 4, and makes the liquid level position of the aqueous solution inside the aqueous solution storage container 4 constant.
[0030] In order to achieve the purpose of controlling the mixing ratio of the powder and the aqueous solution, preferably, the intermittent rotating mechanism includes a "U"-shaped mounting plate 25, a first driving part 26, a driving wheel 27, a driving pin 28, a driven wheel 29 and a driving groove 30. The "U"-shaped mounting plate 25 is arranged on the lower surface of the end cover 2. The "U"-shaped mounting plate 25 is provided with the first driving part 26, and the output end of the first driving part 26 is provided with a driving wheel 27, and the driving wheel 27 is eccentrically provided with a driving pin 28. The incomplete gear 5 is coaxially provided with a driven wheel 29, and the edge of the driven wheel 29 is provided with a driving groove 30 adapted to the driving pin 28, and the driving wheel 27 is provided with a locking arc 31. A locking groove 32 matched with the locking arc 31 is provided on the driven wheel 29. The first driving part 26 is preferably a motor. When in use, the first driving part 26 drives the driving pin 28 on the driving wheel 27 to rotate, and the driving pin 28 drives the driven wheel 29 to rotate intermittently through the driving groove 30. The driven wheel 29 drives the incomplete gear 5 to rotate intermittently, providing time for the powder to fall from the powder hopper 3 into the powder metering cylinder 10, the powder to fall from the powder metering cylinder 10 into the mixing container 1, the liquid agent to enter the liquid metering cylinder 17 from the liquid agent storage container 4, and the liquid agent to enter the mixing container 1 from the liquid agent metering cylinder 17, which is conducive to complete material dropping and controlling the mixing ratio of the powder and the liquid agent.
[0031] In order to achieve the purpose of mixing the powder and the aqueous solution, preferably, a driving pulley 33 is provided at the output end of the first driving part 26, a stirring shaft 34 is rotatably connected to the "U"-shaped mounting plate 25, a horizontal stirring rod 35 is provided on the stirring shaft 34, stirring teeth 36 are vertically provided on the horizontal stirring rod 35, a driven pulley 37 is provided on the stirring shaft 34, a belt 38 is connected between the driving pulley 33 and the driven pulley 37 for transmission, and the first driving part 26 drives the driving pulley 33 to rotate during operation, the driving pulley 33 drives the driven pulley 37 to rotate through the belt 38, and the driven pulley 37 drives the horizontal stirring rod 35 and the stirring teeth 36 to rotate through the stirring shaft 34, so as to mix the powder and the aqueous solution.
[0032] In order to achieve the purpose of improving the filling performance of the dental filling material, preferably, a roller 39 is rotatably connected to the horizontal stirring rod 35. When the roller 39 rotates with the horizontal stirring rod 35, due to the friction of the bottom wall of the mixing container 1 on the roller 39, the roller 39 continuously rotates to stir and squeeze the mixture of the powder and the aqueous solution, which is beneficial to the discharge of gas and prevents the generation of bubbles, thereby improving the filling performance of the dental filling material.
[0033] In order to achieve the purpose of removing the filling material and cleaning the mixing container 1, preferably, it also includes a base 40, a positioning groove 41 is opened on the base 40, a groove-shaped column 42 is vertically arranged at the edge of the positioning groove 41, and a second driving part 43 is arranged on the upper end of the groove-shaped column 42. The inner side of the groove-shaped column 42 is rotatably connected to a ball screw 44 fixedly connected to the output end of the second driving part 43, and the ball screw 44 is transmission-connected to a screw nut 45 slidably connected to the groove-shaped column 42. The screw nut 45 is fixedly connected to the end cover 2, and the end cover 2 and the mixing container 1 are easy to disassemble and clean.
[0034] Compared with the prior art, the present invention is provided with a mixing container 1, an end cover 2, an incomplete gear 5, a cam ring 6, a powder upper hopper 3, a liquid storage container 4, an "I"-shaped part 7, a rack 8, a powder metering barrel 10, a sealing cover 11, a sealing plate 12, a vertical rod 13, a blind hole 16, a guide hole 18, a water metering barrel 17, a drainage tube 19, a liquid level control device and an intermittent rotating mechanism. The intermittent rotating mechanism drives the incomplete gear 5 to rotate intermittently. When the incomplete gear 5 is not engaged with the rack 8, the powder metering barrel 10 is located directly below the powder upper hopper 3, and the powder in the powder upper hopper 3 falls into the powder metering barrel 10. When the incomplete gear 5 is engaged with the rack 8, the powder metering barrel 10 is pushed out by the rack 8, the sealing cover 11 is separated from the "I"-shaped part 7, and automatically opens under the gravity of the powder, and the powder enters the mixing container 1 from the powder metering barrel 10. When the lower end of the vertical rod 13 contacts the low position of the cam ring 6, the upper end surface of the water dosage cylinder 17 is located below the liquid level in the water storage container 4, and the water enters the water dosage cylinder 17 from the water storage container 4. The liquid level control device keeps the water level in the water storage container 4 constant. When the lower end of the vertical rod 13 contacts the high position of the cam ring 6, the upper end surface of the water dosage cylinder 17 is located above the liquid level in the water storage container 4, and the guide hole 18 connects the blind hole 16 with the drainage tube 19, and the water in the water dosage cylinder 17 enters the mixing container 1 through the drainage tube 19. Firstly, the single feeding amount of the water and the powder is constant, which is convenient for controlling the mixing ratio of the powder and the water, which is beneficial to avoid the formation of pores on the dough-like plastic, and improves the filling performance of the dental filling material. Secondly, the water and the powder are both fed intermittently and multiple times, which is beneficial to the subsequent uniform mixing of the water and the powder.
[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An oral filling material mixing device, comprising a mixing container (1), characterized in that: The upper end of the mixing container (1) is detachably connected to an end cover (2), the middle part of the lower surface of the end cover (2) is rotatably connected to an incomplete gear (5), the upper surface of the incomplete gear (5) is provided with a cam ring (6), the end cover (2) is provided with a powder upper hopper (3) and an aqueous storage container (4), the lower part of the powder upper hopper (3) is provided with an "I"-shaped piece (7), the "I"-shaped piece (7) is elastically connected to a rack (8) adapted to the incomplete gear (5), one end of the rack (8) is provided with a powder metering barrel (10), the lower end of the powder metering barrel (10) is hinged with a sealing cover (11), A sealing plate (12) is provided on the upper part of the powder metering cylinder (10); a vertical rod (13) is vertically slidably connected to the end cover (2), the lower end of which is in close contact with the cam ring (6) and the upper end of which extends into the liquid medicine storage container (4); a blind hole (16) is opened at the upper end of the vertical rod (13); a flow guide hole (18) communicating with the blind hole (16) is provided on the vertical rod (13); a water metering cylinder (17) communicating with the blind hole (16) is provided at the upper end of the vertical rod (13); a drainage tube (19) adapted to the flow guide hole (18) is provided on the end cover (2); and a liquid level control device is also provided on the liquid medicine storage container (4); The end cover (2) is provided with an intermittent rotating mechanism for driving the incomplete gear (5) to intermittently rotate.
2. The oral filling material mixing device according to claim 1, characterized in that: The incomplete gear (5) is horizontally slidably connected to the "I"-shaped member (7), and a first elastic member (9) is arranged between the incomplete gear (5) and the "I"-shaped member (7).
3. The oral filling material mixing device according to claim 1, characterized in that: A limiting plate (14) is provided at the lower end of the vertical rod (13), and a second elastic member (15) is provided between the limiting plate (14) and the end cover (2).
4. The oral filling material mixing device according to claim 1, characterized in that: The interior of the water dosage cylinder (17) is slidably connected to a sealing plug (20), a plug (21) whose upper end is flush with the upper end surface of the sealing plug (20) is provided in the middle of the sealing plug (20), the lower end of the plug (21) is inserted into the blind hole (16), and a telescopic device (22) fixedly connected to the sealing plug (20) is provided at the upper end of the water dosage cylinder (17).
5. The oral filling material mixing device according to claim 4, characterized in that: The liquid level control device comprises a liquid level sensor (23), a liquid replenishing pump (24) and a controller. The liquid level sensor (23) is arranged on a water dosage cylinder (17). The liquid replenishing pump (24) connects the water dosage cylinder (17) with an external water agent. The controller is electrically connected to the liquid level sensor (23) and the liquid replenishing pump (24).
6. The oral filling material mixing device according to claim 5, characterized in that: The intermittent rotating mechanism comprises a "U"-shaped mounting plate (25), a first driving part (26), a driving wheel (27), a driving pin (28), a driven wheel (29) and a driving groove (30), wherein the "U"-shaped mounting plate (25) is arranged on the lower surface of the end cover (2), the first driving part (26) is arranged on the "U"-shaped mounting plate (25), the output end of the first driving part (26) is arranged with a driving wheel (27), the driving pin (28) is eccentrically arranged on the driving wheel (27), the incomplete gear (5) is coaxially arranged with a driven wheel (29), and the edge of the driven wheel (29) is provided with a driving groove (30) adapted to the driving pin (28).
7. The oral filling material mixing device according to claim 6, characterized in that: The driving wheel (27) is provided with a locking arc (31), and the driven wheel (29) is provided with a locking groove (32) adapted to the locking arc (31).
8. The oral filling material mixing device according to claim 7, characterized in that: The output end of the first driving part (26) is provided with a driving pulley (33), the U-shaped mounting plate (25) is rotatably connected with a stirring shaft (34), the stirring shaft (34) is provided with a horizontal stirring rod (35), the horizontal stirring rod (35) is vertically provided with stirring teeth (36), the stirring shaft (34) is provided with a driven pulley (37), and a belt (38) is connected between the driving pulley (33) and the driven pulley (37) for transmission.
9. The oral filling material mixing device according to claim 8, characterized in that: A roller (39) is rotatably connected to the horizontal stirring rod (35).