Automatic air-entrapping pressure aggregator

Abstract

The utility model relates to polymerization equipment for false tooth processing, and provides an automatic air-entrapping pressure aggregator which comprises an outer shell, a pressure cooker and a pressure gauge, the pressure cooker is arranged in the outer shell, the pressure gauge is arranged on the upper surface of the outer shell, and the pressure gauge is communicated with the interior of the pressure cooker through a main pipe; the device further comprises a gas adding pump, a steam pressure switch, a time delay relay and a controller. The gas adding pump, the steam pressure switch and the time delay relay are all arranged in the outer shell, and the gas adding pump is communicated with the header pipe through a first branch pipe; the steam pressure switch is communicated with the first branch pipe through a second branch pipe; the steam pressure switch is electrically connected with the gas adding pump, and the time delay relay is electrically connected with the steam pressure switch; the controller is arranged on the upper surface of the outer shell, and the pressure gauge and the time delay relay are electrically connected with the controller. The automatic air-entrapping pressure aggregator is high in automation degree, manual pressurization is not needed, and the labor intensity of technicians is relieved.

Description

Technical Field

[0001] The utility model relates to polymerization equipment in the process of artificial teeth processing, in particular to an automatic gas-filling pressure polymerization device. Background Art

[0002] With the rapid development of social economy and the continuous improvement of people's living standards, people pay more and more attention to oral care, which has promoted the rapid development of removable dentures. Removable dentures are a kind of prosthesis that uses the remaining natural teeth, mucosa and bone tissue under the base as support, relies on the denture retainer and base for retention, uses artificial teeth to restore the shape and function of missing teeth, and uses base materials to restore the defective alveolar ridge, jawbone and surrounding soft tissue shape. Patients can wear and remove them by themselves.

[0003] In tooth denture technology, in order to ensure the biocompatibility and mechanical properties of the base, the new material for making the base needs to be pressurized and polymerized so that the emulsion resin can be thermally solidified in the base model and the matrix can be obtained after shaping and curing. This ensures that no bubbles are generated during the polymerization process and the structure is relatively dense to ensure its mechanical properties.

[0004] The portable pressure polymerizer disclosed in the utility model with publication number CN110916831A needs to be pressurized manually with an air pump, and the degree of automation is low, which reduces the practicality of the pressure polymerizer. Utility Model Content

[0005] In view of this, the utility model proposes an automatic gas-filling pressure polymerizer which does not require manual pressurization and has a high degree of automation.

[0006] The technical solution of the utility model is achieved as follows: the utility model provides an automatic gas-filling pressure aggregator, comprising an outer shell, a pressure cooker and a pressure gauge, wherein the pressure cooker is placed in the outer shell, the pressure gauge is arranged on the upper surface of the outer shell, and the pressure gauge is connected with the inside of the pressure cooker through a main pipe; it also comprises an air filling pump, a steam pressure switch, a time delay relay and a controller; the air filling pump, the steam pressure switch and the time delay relay are all arranged inside the outer shell, the air filling pump is connected with the main pipe through a first branch pipe; the steam pressure switch is connected with the first branch pipe through a second branch pipe; the steam pressure switch is electrically connected to the air filling pump, and the time delay relay is electrically connected to the steam pressure switch; the controller is arranged on the upper surface of the outer shell, and the pressure gauge and the time delay relay are both electrically connected to the controller.

[0007] On the basis of the above technical solution, preferably, a heating device and a temperature sensor are provided at the bottom of the pressure cooker, and the temperature sensors are electrically connected to the controller.

[0008] On the basis of the above technical solution, preferably, the heating device is a PTC ceramic heating plate.

[0009] On the basis of the above technical solution, preferably, a support plate for mounting a heating device is provided at the bottom of the pressure cooker.

[0010] On the basis of the above technical solution, preferably, the middle part of the bracket plate is recessed toward the bottom of the outer shell to form a receiving cavity for accommodating the heating device, the heating device is embedded in the receiving cavity, and the top of the heating device is close to the bottom of the pressure cooker.

[0011] On the basis of the above technical solution, preferably, it further comprises a support frame, which is arranged inside the outer shell, one end of the support frame is connected to the bottom of the outer shell, and the other end of the support frame is connected to the bottom of the pressure cooker.

[0012] On the basis of the above technical solution, preferably, the connection points between the pressure cooker, the pressure gauge and the main pipe are all provided with an air pipe joint for sealingly connecting to the main pipe.

[0013] On the basis of the above technical solution, preferably, a storage rack is provided inside the pressure cooker.

[0014] On the basis of the above technical solution, preferably, a display is provided on the upper surface of the outer shell, and the display is electrically connected to the controller.

[0015] On the basis of the above technical solution, preferably, a plurality of rubber foot pads are provided at the bottom of the outer shell.

[0016] The automatic gas-filling pressure polymerizer of the utility model has the following beneficial effects compared with the prior art:

[0017] (1) The utility model adopts an air pump to inject air into the pressure cooker, avoiding artificial gasification. The air pump reaches a set pressure of 0.3kgf / cm 2 After that, the time delay relay controls the steam pressure switch to close, the gas pump stops pressurizing, and maintains it for 20 minutes to provide a high-pressure state for the pressure cooker. When the time reaches the set value, the time delay relay controls the output power supply to be turned off, and the power supply of the rear-end gas pump is disconnected and stops working; during the water heating process, pressurized gas is automatically generated, which can improve the heating efficiency and reduce the heating time. The automatic gas pressure polymerizer of the utility model has a high degree of automation, does not require manual pressurization, and reduces the labor intensity of technicians.

[0018] (2) The temperature sensor of the utility model can monitor the temperature inside the pressure cooker, which is convenient for monitoring the temperature of pressurized polymerization. The device is set to heat at a constant temperature. The controller sets the temperature range, and the temperature is obtained through the temperature sensor; the controller controls the heating device to heat up. When the temperature reaches the set value, the controller controls the power supply of the heating device to stop heating through the relay; when the temperature drops, the controller controls the power supply of the heating device to automatically control the heating device through the relay after obtaining the temperature sensor value to heat up.

[0019] (3) The air pump of the utility model is located inside the outer shell and is easy to carry.

[0020] (4) The outer shell of the utility model is provided with a display screen, which is convenient for adjusting the pressure and temperature values ​​of the automatic gas filling pressure aggregate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 paying creative work.

[0022] Figure 1 It is a three-dimensional diagram of the automatic gas-filling pressure polymerizer of the utility model;

[0023] Figure 2 This is the internal structure diagram of the automatic gas-filling pressure polymerizer of the utility model;

[0024] Figure 3 A three-dimensional diagram of a pressure cooker of the automatic gas-filling pressure polymerizer of the utility model;

[0025] Figure 4 This is the internal structure diagram of the pressure cooker of the automatic gas-filling pressure polymerizer of the utility model;

[0026] Figure 5 It is the circuit diagram of the power input / output module of the utility model automatic gas filling pressure aggregator;

[0027] Figure 6 It is the circuit diagram of the pressure cooker module of the utility model automatic gas-filling pressure polymerizer;

[0028] Figure 7 It is the time module circuit diagram of the utility model automatic gas filling pressure aggregator;

[0029] Figure 8 This is the circuit diagram of the controller and temperature module of the utility model automatic gas-filling pressure aggregate.

[0030] In the figure, 1-outer shell, 2-pressure cooker, 3-pressure gauge, 4-main pipe, 5-gas pump, 6-steam pressure switch, 7-delay relay, 8-controller, 9-first branch pipe, 10-second branch pipe, 11-heating device, 12-temperature sensor, 13-bracket plate, 14-accommodating cavity, 15-support frame, 16-trachea joint, 17-shelf, 18-display, 19-rubber foot pad. DETAILED DESCRIPTION

[0031] The following will be combined with the implementation of the utility model to clearly and completely describe the technical solutions in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it needs to be understood that the orientations or positional relationships indicated by “top”, “bottom”, “above”, “below”, etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of 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.

[0033] In order to solve the technical problem that the existing pressure polymerizer has low automation and needs manual pressurization, the utility model provides an automatic gas-filling pressure polymerizer, such as Figure 1-4 As shown, the automatic gas-filling pressure aggregate of the utility model comprises an outer shell 1, a pressure cooker 2, a pressure gauge 3, a gas-filling pump 5, a steam pressure switch 6, a time delay relay 7 and a controller 8.

[0034] The outer shell 1 is a rectangular parallelepiped made of high-quality cold-rolled steel plate, and the pressure cooker body 2 is arranged inside the outer shell 1. The pressure cooker body 2 is spirally nested with a pressure cooker cover, which protrudes from the top of the outer shell 1; the circumferential edge of the open end of the pressure cooker cover is also embedded with a sealing ring for high-pressure sealing between the contact surface of the pressure cooker 2 and the pressure cooker cover, and the pressure cooker cover is provided with a manual pressure relief valve for manually controlling the pressure relief and exhaust of the pressure cooker 2. The pot body and pot cover of the pressure cooker 2 are made of aluminum alloy, which is durable and has good pressure resistance and safety performance. The design pressure reaches 0.3kgf / cm 2 , fully meeting the needs of industry use, can withstand high pressure and temperature, and is easy to operate.

[0035] A pressure gauge 3 for displaying the pressure in the pressure cooker 2 is provided on the outer shell 1 at the side of the pressure cooker 2. The pressure gauge 3 is used to detect the pressure in the pressure cooker 2. The pressure gauge 3 is connected to the inner cavity of the pressure cooker 2 through a main pipe 4, and the pressure cooker 2 is connected to the main pipe 4 through a right-angle quick-tighten joint.

[0036] Among them, the air pump 5 is arranged inside the outer shell 1 and is connected to the bottom bolts of the outer shell 1 to provide a high-pressure environment for the pressure cooker 2. The air pump 5 is connected to the main pipe 4 through the first branch pipe 9; the first branch pipe 9 and the main pipe 4 are connected through a quick-tightening tee; the steam pressure switch 6 and the delay relay 7 are used to control the air pump 5.

[0037] Specifically, the steam pressure switch 6 is arranged inside the outer shell 1, and the gas pump 5 is electrically connected to the steam pressure switch 6, and the steam pressure switch 6 is used to control the opening and closing of the gas pump 5. The steam pressure switch 6 is connected to the first branch pipe 9 through the second branch pipe 10, and the second branch pipe 10 is connected to the first branch pipe 9 through a quick-tightening tee, and the second branch pipe 10 and the bottom of the outer shell 1 are supported.

[0038] Specifically, the time delay relay 7 is arranged inside the outer shell 1, preferably arranged on the inner wall of the outer shell 1. The steam pressure switch 6 is electrically connected to the time delay relay 7, and the time delay relay 7 is used to control the steam switch 6 to start and stop.

[0039] Specifically, a controller 8 is provided on the outer housing 1 beside the pressure gauge 3 , and the pressure gauge 3 and the time delay relay 7 are both electrically connected to the controller 8 for receiving and controlling signals from the pressure gauge 3 and the time delay relay 7 .

[0040] In a specific embodiment, a heating device 11 and a temperature sensor 12 are provided at the bottom of the pressure cooker 2. The heating device 11 is connected to an external power source through a power line, and the temperature sensor 12 is electrically connected to the controller 8. The preferred heating device 11 is a PTC ceramic heating sheet, which has the advantages of rapid heating, ultra-long durability without oxidation, long service life, and high thermal efficiency.

[0041] In a specific embodiment, a support plate 13 for mounting the heating device 11 is provided at the bottom of the pressure cooker 2 , and the support plate 13 is connected to the pressure cooker 2 by bolts.

[0042] Specifically, the structure of the support plate 13 is as follows: the middle of the support plate 13 is recessed downward to form a receiving cavity 14 for receiving the heating device 11. The heating device 11 is embedded in the receiving cavity 14, and the top of the heating device 11 is in close contact with the bottom of the pressure cooker 2. The heating device 11 is connected to an external power source through a cable.

[0043] Specifically, Figure 2 As shown, since the pressure cooker 2 is suspended, in order to increase its stability, this embodiment also includes a support frame 15, which is arranged inside the outer shell 1, one end of the support frame 15 is connected to the bottom bolt of the outer shell 1, and the other end of the support frame 15 is connected to the bottom bolt of the pressure cooker 2.

[0044] Specifically, in order to ensure sealing and avoid air leakage, the connection points of the pressure cooker 2 , the pressure gauge 3 and the main pipe 4 are all provided with an air pipe joint 16 for sealingly connecting the main pipe 4 .

[0045] Specifically, a shelf 17 is provided inside the pressure cooker 2 for placing denture base powder.

[0046] Specifically, in order to display and adjust the temperature and pressure, a display 18 is provided on the upper surface of the outer shell 1 of this embodiment. The display 18 is electrically connected to the controller 8. The display 18 can display the temperature and pressure, and is provided with buttons to adjust the temperature and pressure.

[0047] In a specific embodiment, a plurality of rubber pads 19 , preferably four rubber pads 19 , are provided at intervals at the bottom of the outer shell 1 to support the outer shell 1 .

[0048] When the automatic air-filling pressure polymerizer of the utility model is used, a proper amount of water is put into the pressure cooker 2, and the prepared denture base powder is put on the shelf of the pressure cooker 2. The temperature is preset through the controller 8 and the display 18, and the heating device 11 is powered on to heat the water to 55°C. Then, air is injected into the pressure cooker 2 through the air-filling pump 5, and the pressure gauge 3 shows that the pressure reaches 0.3kgf / cm 2 At this time, under the action of the steam pressure switch 6 and the time delay relay 7, the air pump 5 stops working and keeps working for 20 minutes. At this time, the base powder is solidified into the basic state required for the denture. During the water heating process, compressed gas is automatically generated, which can improve the heating efficiency and reduce the heating time. The heated product does not need to be taken out to cool down. The heated product is cooled in a pressure environment, which can prevent the deformation of porcelain tooth embedding, casting, bracket, and rough outer wall during denture processing, thereby improving product quality and work efficiency.

[0049] Figure 5-8 To control the circuit diagram, when the main switch of the 220V AC power supply is turned on, the gas pump 5 is automatically turned on, and automatically turned off when the set value is reached; the gas pump 5 stops pressurizing after reaching the set pressure, and automatically generates compressed gas during the water heating process, which can improve the heating efficiency and reduce the heating time; the 220V AC power supply is rectified and stabilized by the power module and then outputs 12V power to the relay, and 5V power to the time display module; after the time module is set, the delay relay 7 on the power module is controlled, and when the time reaches the set value, the delay relay 7 controls the shutdown of the output power supply, and the rear-end heating pump power is disconnected and stops working.

[0050] The equipment is set to heat at a constant temperature, the controller 8 sets the temperature range, and the temperature is obtained through the temperature sensor 12; the controller 8 controls the heating device 11 to heat up, and when the temperature reaches the set value, the controller 8 controls the power supply of the heating device 11 to stop heating through the delay relay 7; when the temperature drops, the controller 8 controls the value of the temperature sensor 12 and then automatically controls the power supply of the heating device 11 to heat up through the delay relay 7.

[0051] The automatic air-inflating pressure polymerizer of the utility model has a simple structure, a small size, and is easy to carry. It is suitable for the needs of making dentures in all rapid tooth-fitting processes, can provide services for patients who need rapid tooth restoration anytime and anywhere, and can make the internal structure of the rapid tooth-fitting tray material dense after pressure-polymerization in the polymerizer without the appearance of bubbles, thereby ensuring its reliable mechanical properties.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic gas-filling pressure polymerizer, comprising an outer shell (1), a pressure cooker (2) and a pressure gauge (3), wherein the pressure cooker (2) is placed in the outer shell (1), the pressure gauge (3) is arranged on the upper surface of the outer shell (1), and the pressure gauge (3) is connected to the inside of the pressure cooker (2) through a main pipe (4); characterized in that: It also includes an air pump (5), a steam pressure switch (6), a time delay relay (7) and a controller (8); The gas filling pump (5), the steam pressure switch (6) and the time delay relay (7) are all arranged inside the outer shell (1); the gas filling pump (5) is connected to the main pipe (4) through the first branch pipe (9); the steam pressure switch (6) is connected to the first branch pipe (9) through the second branch pipe (10); The steam pressure switch (6) is electrically connected to the gas pump (5), and the time delay relay (7) is electrically connected to the steam pressure switch (6); The controller (8) is arranged on the upper surface of the outer shell (1), and the pressure gauge (3) and the time delay relay (7) are both electrically connected to the controller (8).

2. The automatic gas-filling pressure polymerizer according to claim 1, characterized in that: A heating device (11) and a temperature sensor (12) are provided at the bottom of the pressure cooker (2); the temperature sensor (12) is electrically connected to the controller (8).

3. An automatic gas-filling pressure polymerizer as claimed in claim 2, characterized in that: The heating device (11) is a PTC ceramic heating plate.

4. An automatic gas-filling pressure polymerizer as claimed in claim 3, characterized in that: The bottom of the pressure cooker (2) is provided with a support plate (13) for mounting a heating device (11).

5. An automatic gas-filling pressure polymerizer as claimed in claim 4, characterized in that: The middle portion of the support plate (13) is recessed toward the bottom of the outer shell (1) to form a receiving cavity (14) capable of receiving the heating device (11). The heating device (11) is embedded in the receiving cavity (14), and the top of the heating device (11) is in close contact with the bottom of the pressure cooker (2).

6. The automatic gas-filling pressure polymerizer according to claim 1, characterized in that: The pressure cooker (2) further comprises a support frame (15), wherein the support frame (15) is arranged inside the outer shell (1), one end of the support frame (15) is connected to the bottom of the outer shell (1), and the other end of the support frame (15) is connected to the bottom of the pressure cooker (2).

7. The automatic gas-filling pressure polymerizer according to claim 1, characterized in that: The connection points between the pressure cooker (2), the pressure gauge (3) and the main pipe (4) are all provided with an air pipe joint (16) for sealingly connecting to the main pipe (4).

8. The automatic gas-filling pressure polymerizer according to claim 1, characterized in that: A storage rack (17) is provided inside the pressure cooker (2).

9. The automatic gas-filling pressure polymerizer according to claim 6, characterized in that: A display (18) is provided on the upper surface of the outer shell (1), and the display (18) is electrically connected to the controller (8).

10. The automatic gas-filling pressure polymerizer according to claim 1, characterized in that: A plurality of rubber pads (19) are provided at the bottom of the outer shell (1).

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