High-pressure grouting pipeline system for crucible forming machine

Abstract

The utility model relates to the technical field of crucible forming machines, and provides a high-pressure grouting pipeline system for a crucible forming machine, which is used for grouting into a mold and comprises a grouting main pipe, a normal-pressure buffer tank, a slurry inlet main valve, a slurry pressurizing machine and a grouting valve, one end of the grouting main pipe is connected with the normal-pressure buffer tank, and the other end of the grouting main pipe is used for being connected with the mold. The slurry inlet main valve, the slurry pressurizing machine and the grouting valve are sequentially connected to the grouting main pipe, and the slurry pressurizing machine is used for pressurizing slurry in the pipe. By means of the technical scheme, the problems that in the prior art, the grouting demolding period is long, and the forming efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of crucible forming machines, and in particular to a high-pressure grouting pipeline system for a crucible forming machine. Background Art

[0002] Crucible is a cup-shaped vessel used in the laboratory to heat solids at high temperatures. At present, the crucible manufacturing industry mainly relies on two production processes: plaster mold grouting method and injection-condensation method. Grouting method is widely used in practice, but it has defects such as long grouting demoulding cycle and low molding efficiency, which seriously restricts the realization of large-scale production. On the other hand, although the injection-condensation method shows certain potential as an emerging technology, it is not widely used in the manufacture of crucible blanks due to its complex process and difficulty in mastering the technology. Both of these traditional processes have the problem of significant waste of human resources, material resources and financial resources, and also extend the production cycle, which has caused serious constraints on the overall production efficiency. In view of the emergence of the above problems, the existing technology has not solved them well, which has brought troubles to the normal work in this field. Therefore, there is an urgent need for a high-pressure grouting pipeline system for a crucible forming machine to solve the above problems. Utility Model Content

[0003] The utility model provides a high-pressure grouting pipeline system for a crucible forming machine, which solves the problems of long grouting and demoulding cycle and low forming efficiency in the related technology.

[0004] The technical solution of the utility model is as follows: a high-pressure grouting pipeline system for a crucible forming machine, which is used for grouting into a mold, and includes a grouting main pipe, a normal pressure buffer tank, a slurry inlet main valve, a slurry pressurizer and a grouting valve. One end of the grouting main pipe is connected to the normal pressure buffer tank, and the other end is used to connect the mold. The slurry inlet main valve, the slurry pressurizer and the grouting valve are connected to the grouting main pipe in sequence, and the slurry pressurizer is used to pressurize the slurry in the pipe.

[0005] Optionally, it also includes a hydraulic cylinder and a hydraulic station, wherein the hydraulic cylinder is arranged on the slurry press and is used to generate pressure in the slurry press, and the hydraulic station is connected to the hydraulic cylinder and is used to circulate hydraulic oil.

[0006] Optionally, it also includes a stirring motor, a stirring shaft and a stirring blade, wherein the stirring motor is arranged on the normal pressure buffer tank, the stirring motor has an output shaft, the stirring shaft is arranged on the output shaft, the stirring shaft is located in the normal pressure buffer tank, and the stirring blade is arranged on the stirring shaft.

[0007] Optionally, it also includes an electric heating plate, which is arranged in the normal pressure buffer tank and located on the bottom wall of the normal pressure buffer tank.

[0008] Optionally, the grouting valve is a three-way valve, which has grouting port one, grouting port two and grouting port three, and also includes a circulation pipe and a circulation valve. The grouting port one is connected to the grouting main pipe, the grouting port two is used to connect the mold, the grouting port three is connected to one end of the circulation pipe, and the other end of the circulation pipe is connected to the normal pressure buffer tank, and the circulation valve is connected to the circulation pipe.

[0009] Optionally, the circulation valve is a three-way valve, which has circulation port 1, circulation port 2 and circulation port 3, and also includes a drain pipe and a water pull-out valve. The circulation port 1 and the circulation port 2 are both connected to the circulation pipe, the circulation port 3 is connected to one end of the drain pipe, and the other end of the drain pipe is used for emptying, and the water pull-out valve is connected to the drain pipe.

[0010] Optionally, a heating belt is also included, and the heating belt is wound around the circulation pipe.

[0011] Optionally, it also includes a thermal insulation layer, which is sleeved on the circulation pipe, forming a thermal insulation space between the thermal insulation layer and the circulation pipe, and the heating belt is located in the thermal insulation space.

[0012] Optionally, it also includes a pressure transmitter, which is arranged on the grouting main pipe. The pressure transmitter is located between the slurry pressurizer and the grouting valve and is used to monitor the mud pressure in the pipe.

[0013] Optionally, a temperature transmitter is also included, which is arranged on the normal pressure buffer tank and is used to monitor the mud temperature in the tank.

[0014] The working principle and beneficial effects of the utility model are:

[0015] The normal pressure buffer tank, the main slurry inlet valve, the slurry pressurizer and the grouting valve are connected to the grouting main pipe in sequence. One end of the grouting main pipe is connected to the normal pressure buffer tank, and the other end is connected to the mold for grouting into the mold. Among them, the normal pressure buffer tank is used to store the prepared slurry, and the slurry is stirred and heated in the normal pressure buffer tank so that its temperature reaches the use requirements. The main slurry inlet valve is used to control the start and stop of the grouting action into the grouting main pipe. The slurry pressurizer is connected to the grouting main pipe, and pressurizes the conveyed slurry by connecting to the slurry conveying pipeline. Specifically, after the slurry in the normal pressure buffer tank reaches the required temperature, the main slurry inlet valve is opened first, and then the slurry is sucked into the slurry pressurizer, and then the main slurry inlet valve is closed, and the grouting valve is opened. The slurry pressurizer pressurizes the slurry, and the slurry is injected into the mold through the grouting valve, and finally the grouting process is completed. In this solution, pressure grouting replaces traditional plaster mold molding, which simplifies the process operation steps, greatly reduces the labor intensity of workers, and significantly improves production efficiency, greatly reduces the required working hours and costs, and shortens the cycle of green body molding. In addition, the green body produced by pressurized slurry has the characteristics of low water content, and its regularity is much higher than that of traditional plaster mold molding, thereby shortening the drying time of the green body and reducing the workload of trimming the green body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.

[0017] Figure 1 It is a structural schematic diagram of a high-pressure grouting pipeline system for a crucible forming machine;

[0018] Figure 2 A front view of a high-pressure grouting pipeline system for a crucible forming machine;

[0019] Figure 3 A top view of a high-pressure grouting pipeline system for a crucible forming machine;

[0020] Figure 4 This is a schematic diagram of the internal structure of the normal pressure buffer tank in the utility model;

[0021] Figure 5 This is a schematic diagram of the connection structure of the grouting valve in the utility model;

[0022] Figure 6 This is a schematic diagram of the connection structure of the circulation valve in the utility model;

[0023] Figure 7 It is a schematic diagram of the internal structure of the circulation pipe in the utility model.

[0024] In the figure: 1. grouting main pipe, 2. normal pressure buffer tank, 3. slurry inlet main valve, 4. slurry pressurizer, 5. grouting valve, 6. hydraulic cylinder, 7. hydraulic station, 8. stirring motor, 9. stirring shaft, 10. stirring blade, 11. electric heating plate, 12. circulation pipe, 13. circulation valve, 14. drain pipe, 15. water pull valve, 16. heating belt, 17. thermal insulation layer, 18. thermal insulation space, 19. pressure transmitter, 20. temperature transmitter, A1. grouting port 1, A2. grouting port 2, A3. grouting port 3, B1. circulation port 1, B2. circulation port 2, B3. circulation port 3. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0026] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0027] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0028] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0029] Reference Figure 1~Figure 3, which is the first embodiment of the utility model, proposes a high-pressure grouting pipeline system for a crucible forming machine, which is used for grouting into a mold, including a grouting main pipe 1, a normal pressure buffer tank 2, a slurry inlet main valve 3, a slurry pressurizer 4 and a grouting valve 5. One end of the grouting main pipe 1 is connected to the normal pressure buffer tank 2, and the other end is used to connect to the mold. The slurry inlet main valve 3, the slurry pressurizer 4 and the grouting valve 5 are connected to the grouting main pipe 1 in sequence, and the slurry pressurizer 4 is used to pressurize the slurry in the pipe.

[0030] In this embodiment, the normal pressure buffer tank 2, the slurry inlet main valve 3, the slurry pressurizer 4 and the grouting valve 5 are connected to the grouting main pipe 1 in sequence. One end of the grouting main pipe 1 is connected to the normal pressure buffer tank 2, and the other end is connected to the mold, which is used for grouting into the mold. Among them, the normal pressure buffer tank 2 is used to store the prepared slurry, and the slurry is stirred and heated in the normal pressure buffer tank 2 so that its temperature reaches the use requirements. The slurry inlet main valve 3 is used to control the start and stop of the grouting action into the grouting main pipe 1. The slurry pressurizer 4 is connected to the grouting main pipe 1, and is connected to the slurry conveying pipeline to pressurize the conveyed slurry. Specifically, after the slurry in the normal pressure buffer tank 2 reaches the required temperature, the slurry inlet main valve 3 is opened first, and then the slurry is sucked into the slurry pressurizer 4, and then the slurry inlet main valve 3 is closed, and the grouting valve 5 is opened. The slurry pressurizer 4 pressurizes the slurry, and the slurry is injected into the mold through the grouting valve 5, and finally the grouting process is completed. In this embodiment, pressure grouting replaces traditional plaster mold molding, simplifies the process operation steps, greatly reduces the labor intensity of workers, and thus significantly improves production efficiency, greatly reduces the required working hours and costs, and shortens the cycle of green body molding. In addition, the green body produced by pressurized slurry has the characteristics of low water content, and its regularity is much higher than that of traditional plaster mold molding, shortens the drying time of the green body, and reduces the workload of trimming the green body.

[0031] Reference Figure 1~Figure 3 , and also includes a hydraulic cylinder 6 and a hydraulic station 7. The hydraulic cylinder 6 is arranged on the slurry press 4 and is used to generate pressure in the slurry press 4. The hydraulic station 7 is connected to the hydraulic cylinder 6 and is used to circulate hydraulic oil.

[0032] In this embodiment, the slurry pressurizing machine 4 realizes pressurization and suction of slurry through the hydraulic cylinder 6. The hydraulic cylinder 6 is connected to the slurry pressurizing machine 4. When the telescopic end of the hydraulic cylinder 6 rises, the slurry is sucked, and when the telescopic end of the hydraulic cylinder 6 falls, the slurry is pressurized. A hydraulic station 7 is arranged beside the slurry pressurizing machine 4. The hydraulic station 7 is connected to the hydraulic cylinder 6 through a hydraulic pipeline, and is used to supply oil to the hydraulic cylinder 6 to meet the requirements of oil circulation.

[0033] Reference Figure 4, also includes a stirring motor 8, a stirring shaft 9 and a stirring blade 10, the stirring motor 8 is arranged on the normal pressure buffer tank 2, the stirring motor 8 has an output shaft, the stirring shaft 9 is arranged on the output shaft, the stirring shaft 9 is located in the normal pressure buffer tank 2, and the stirring blade 10 is arranged on the stirring shaft 9.

[0034] It also includes an electric heating plate 11, which is arranged in the normal pressure buffer tank 2 and located on the bottom wall of the normal pressure buffer tank 2.

[0035] In this embodiment, the stirring motor 8 is arranged at the top of the normal pressure buffer tank 2. After the stirring motor 8 is started, the output shaft is driven to rotate, thereby driving the stirring shaft 9 to rotate, and the stirring shaft 9 drives the stirring blade 10 to stir the slurry in the normal pressure buffer tank 2 to ensure its mixing uniformity. In addition, an electric heating plate 11 is arranged on the inner bottom wall of the normal pressure buffer tank 2 to heat the slurry in the tank, and the stirring blade 10 can ensure the sufficiency and uniformity of heating.

[0036] Reference Figure 5 The grouting valve 5 is a three-way valve, and the grouting valve 5 has a grouting port 1 A1, a grouting port 2 A2 and a grouting port 3 A3, and also includes a circulation pipe 12 and a circulation valve 13. The grouting port 1 A1 is connected to the grouting main pipe 1, the grouting port 2 A2 is used to connect the mold, the grouting port 3 A3 is connected to one end of the circulation pipe 12, and the other end of the circulation pipe 12 is connected to the normal pressure buffer tank 2, and the circulation valve 13 is connected to the circulation pipe 12.

[0037] In this embodiment, after each grouting is completed, there will be slurry remaining in the grouting main pipe 1, and this part of the slurry needs to be discharged to prevent clogging of the pipeline and avoid waste of resources. For this purpose, a circulation pipe 12 and a circulation valve 13 are set, and the grouting valve 5 adopts a three-way pneumatic ball valve. The grouting port A1 of the grouting valve 5 is connected to the grouting main pipe 1, the grouting port A2 is connected to the mold, and the grouting port A3 is connected to one end of the circulation pipe 12, and the other end of the circulation pipe 12 is connected to the normal pressure buffer tank 2. The circulation valve 13 is connected to the circulation pipe 12 to control the connection and disconnection of the circulation pipe 12 and the grouting main pipe 1. After each grouting is completed, the circulation valve 13 is opened, and the remaining slurry is circulated to the normal pressure buffer tank 2 through the circulation pipe 12 by the slurry pressurizer 4, and re-stirred and heated to meet the temperature requirements of grouting again.

[0038] Reference Figure 6 The circulation valve 13 is a three-way valve, and the circulation valve 13 has a circulation port 1 B1, a circulation port 2 B2 and a circulation port 3 B3, and also includes a drain pipe 14 and a water pull valve 15. The circulation port 1 B1 and the circulation port 2 B2 are both connected to the circulation pipe 12, the circulation port 3 B3 is connected to one end of the drain pipe 14, and the other end of the drain pipe 14 is used for emptying, and the water pull valve 15 is connected to the drain pipe 14.

[0039] In this embodiment, in order to relieve the pressure in the pipe after each grouting is completed, a sewage pipe 14 and a water pull valve 15 are also provided. The circulation valve 13 is preferably a three-way pneumatic ball valve. The circulation port 1 B1 and the circulation port 2 B2 of the circulation valve 13 are both connected to the circulation pipe 12, and the circulation port 3 B3 is connected to one end of the sewage pipe 14. The other end of the sewage pipe 14 is led to the ditch. After the grouting is completed, the water pull valve 15 is opened to discharge sewage and relieve pressure.

[0040] Reference Figure 7 , and also includes a heating belt 16, which is wound around the circulation pipe 12.

[0041] In this embodiment, after the grouting is completed, it is necessary to control the opening and closing of each valve and complete the sewage discharge and pressure relief. Therefore, when the remaining slurry in the pipe is circulated to the normal pressure buffer tank 2, it has often been stationary for a period of time. In order to ensure the fluidity of the slurry during circulation, a heating belt 16 is spirally wound on the circulation pipe 12, so that the circulation pipe 12 is properly heated to ensure the fluidity of the slurry.

[0042] Reference Figure 7 , and also includes a thermal insulation layer 17, which is sleeved on the circulation pipe 12, and a thermal insulation space 18 is formed between the thermal insulation layer 17 and the circulation pipe 12, and the heating belt 16 is located in the thermal insulation space 18.

[0043] In this embodiment, in order to improve the heating efficiency of the heating belt 16, a heat preservation and heat insulation layer 17 is sleeved on the circulation pipe 12, and the interlayer between the heat preservation and heat insulation layer 17 and the circulation pipe 12 forms a heat preservation space 18. The heating belt 16 is located in the heat preservation space 18, thereby reducing the heat loss during the heating process of the heating belt 16, improving the heating efficiency and the speed at which the heating belt 16 is heated to a certain temperature. In addition, the heat preservation space 18 can also play a heat preservation effect and reduce heat loss.

[0044] Reference Figure 1~Figure 3 , and also includes a pressure transmitter 19, which is arranged on the grouting main pipe 1. The pressure transmitter 19 is located between the slurry pressurizer 4 and the grouting valve 5, and is used to monitor the mud pressure in the pipe.

[0045] In this embodiment, the pressure transmitter 19 is preferably a diaphragm type pressure transmitter 19 with a digital display function, with a pressure range of 0-1.6MPa, which is arranged on the grouting main pipe 1, between the slurry pressurizer 4 and the grouting valve 5. The grouting main pipe 1 between the normal pressure buffer tank 2 and the pressure transmitter 19 is made of stainless steel polished pipe welded by automatic argon arc welding to ensure rigidity and strength; the grouting main pipe 1 between the pressure transmitter 19 and the grouting valve 5 adopts a high-pressure hose to withstand the high pressure during pressurized grouting. The stainless steel pipe section and the high-pressure hose section of the grouting main pipe 1 are connected by a clamp. The pressure transmitter 19 outputs an electrical signal of 4-20mA, which can display the pressure curve and historical curve during the grouting process, achieving perfect monitoring capabilities.

[0046] Reference Figure 1~Figure 3 , and also includes a temperature transmitter 20, which is arranged on the normal pressure buffer tank 2 and is used to monitor the mud temperature in the tank.

[0047] In this embodiment, the temperature transmitter 20 is arranged below the atmospheric pressure buffer tank 2, and can monitor the temperature of the slurry in the tank. If it exceeds the preset limit value, it will automatically alarm to remind the operator to ensure safety during production.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A high-pressure grouting pipeline system for a crucible forming machine, used for grouting into a mold, characterized in that: The invention comprises a grouting main pipe (1), a normal pressure buffer tank (2), a slurry inlet main valve (3), a slurry pressurizing machine (4) and a grouting valve (5); one end of the grouting main pipe (1) is connected to the normal pressure buffer tank (2), and the other end is used to connect to a mold; the slurry inlet main valve (3), the slurry pressurizing machine (4) and the grouting valve (5) are connected to the grouting main pipe (1) in sequence; and the slurry pressurizing machine (4) is used to pressurize the slurry in the pipe.

2. A high-pressure grouting pipeline system for a crucible forming machine according to claim 1, characterized in that: It also includes a hydraulic cylinder (6) and a hydraulic station (7); the hydraulic cylinder (6) is arranged on the slurry press (4) and is used to generate pressure in the slurry press (4); the hydraulic station (7) is connected to the hydraulic cylinder (6) and is used to circulate hydraulic oil.

3. A high-pressure grouting pipeline system for a crucible forming machine according to claim 1, characterized in that: It also comprises a stirring motor (8), a stirring shaft (9) and a stirring blade (10), wherein the stirring motor (8) is arranged on the atmospheric pressure buffer tank (2), the stirring motor (8) has an output shaft, the stirring shaft (9) is arranged on the output shaft, the stirring shaft (9) is located in the atmospheric pressure buffer tank (2), and the stirring blade (10) is arranged on the stirring shaft (9).

4. A high-pressure grouting pipeline system for a crucible forming machine according to claim 1, characterized in that: It also comprises an electric heating plate (11), wherein the electric heating plate (11) is arranged in the normal pressure buffer tank (2) and located on the bottom wall of the normal pressure buffer tank (2).

5. The high-pressure grouting pipeline system for a crucible forming machine according to claim 1, characterized in that: The grouting valve (5) is a three-way valve, and has a grouting port 1 (A1), a grouting port 2 (A2) and a grouting port 3 (A3), and also includes a circulation pipe (12) and a circulation valve (13), wherein the grouting port 1 (A1) is connected to the grouting main pipe (1), the grouting port 2 (A2) is used to connect to the mold, the grouting port 3 (A3) is connected to one end of the circulation pipe (12), and the other end of the circulation pipe (12) is connected to the normal pressure buffer tank (2), and the circulation valve (13) is connected to the circulation pipe (12).

6. A high-pressure grouting pipeline system for a crucible forming machine according to claim 5, characterized in that: The circulation valve (13) is a three-way valve, and has a circulation port 1 (B1), a circulation port 2 (B2), and a circulation port 3 (B3), and also includes a sewage pipe (14) and a water pull valve (15). The circulation port 1 (B1) and the circulation port 2 (B2) are both connected to the circulation pipe (12), the circulation port 3 (B3) is connected to one end of the sewage pipe (14), and the other end of the sewage pipe (14) is used for emptying, and the water pull valve (15) is connected to the sewage pipe (14).

7. A high-pressure grouting pipeline system for a crucible forming machine according to claim 5, characterized in that: It also includes a heating belt (16), wherein the heating belt (16) is wound around the circulation pipe (12).

8. A high-pressure grouting pipeline system for a crucible forming machine according to claim 7, characterized in that: It also comprises a thermal insulation layer (17), the thermal insulation layer (17) being sleeved on the circulation pipe (12), a thermal insulation space (18) being formed between the thermal insulation layer (17) and the circulation pipe (12), and the heating belt (16) being located in the thermal insulation space (18).

9. A high-pressure grouting pipeline system for a crucible forming machine according to claim 1, characterized in that: It also includes a pressure transmitter (19), which is arranged on the grouting main pipe (1). The pressure transmitter (19) is located between the slurry pressurizer (4) and the grouting valve (5) and is used to monitor the slurry pressure in the pipe.

10. The high-pressure grouting pipeline system for a crucible forming machine according to claim 1, characterized in that: It also includes a temperature transmitter (20), which is arranged on the normal pressure buffer tank (2) and is used to monitor the temperature of the mud in the tank.

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