Batching device and system for gypsum core mold production

Abstract

The utility model provides a batching device for gypsum core mold production and a system thereof. The device comprises a plurality of feeding units, a water supply unit, a control unit, a liquid preparation unit and a mixing unit, wherein the feeding units, the water supply unit and the control unit are sequentially arranged in parallel; the liquid preparation unit is located on one side of the control unit and is close to the water supply unit; the plurality of material supply units are communicated with the material mixing unit through material loading pieces and are respectively used for adding a plurality of solid raw materials into the material mixing unit; the water supply unit is communicated with the material mixing unit through a first water pipe and is used for adding water into the material mixing unit; the liquid preparation unit is communicated with the material mixing unit through a liquid conveying pipeline and is used for preparing a liquid material and conveying the liquid material into the material mixing unit; the mixing unit is used for mixing various solid raw materials, water and liquid materials entering the mixing unit to obtain raw materials for gypsum core mold production; and the control unit is used for controlling the batching process of the raw materials for gypsum core mold production. According to the invention, the labor cost of enterprises and the yield of dust are reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of gypsum core mold production equipment, and particularly relates to a batching device for gypsum core mold production and a system thereof. BACKGROUND

[0002] In the manufacturing process of winding engine housings and various large composite material storage tanks in the fields of aviation, aerospace, military and civil use, gypsum core molds are used. In the manufacturing process of the gypsum core molds, batching (in which the raw materials mainly include gypsum, cement, water, additives and various materials), stirring, inspection and other steps are needed. In the existing gypsum core mold production process, manual batching, stirring and inspection and other operations are mainly used. Specifically, each raw material is sequentially added into a stirring tank by manual operation, the raw materials in the stirring tank are stirred and mixed, and even the mixing of the various raw materials is manually inspected. In this way, the production process of the gypsum core mold has the defects of high labor intensity, small output and large dust, and thus the production environment of the gypsum core mold is poor and the dust generated by the production process damages the respiratory tract of the human body. Based on this, the application provides a batching device for gypsum core mold production and a system thereof. CONTENT OF THE UTILITY MODEL

[0003] The application provides a batching device for gypsum core mold production and a system thereof to solve the technical problems described in the background.

[0004] To solve the above technical problems, the application adopts the following technical solutions:

[0005] The application provides a batching device for gypsum core mold production, which comprises: a plurality of feeding units, a water supply unit and a control unit arranged side by side in sequence, a liquid preparation unit located on one side of the control unit and close to the water supply unit, and a mixing unit located on one side of the feeding unit and parallel to the liquid preparation unit.

[0006] The plurality of feeding units are in communication with the mixing unit through feeding members and are respectively used for adding a plurality of solid raw materials into the mixing unit.

[0007] The water supply unit is in communication with the mixing unit through a first water pipe and is used for adding water into the mixing unit.

[0008] The liquid preparation unit is in communication with the mixing unit through a liquid conveying pipeline and is used for preparing liquid materials and conveying the liquid materials into the mixing unit.

[0009] The mixing unit is used for mixing the plurality of solid raw materials, the water and the liquid materials in the mixing unit to obtain raw materials for gypsum core mold production.

[0010] The control unit is used for controlling a batching process of raw materials for the gypsum core mold production.

[0011] Optionally, each of the feeding units comprises a feeding bin, a first feeding pipe, a second feeding pipe, a weighing bin and a first supporting frame.

[0012] The first feeding pipe is inclined upward and communicated in the feeding bin and a first screw conveyor is arranged in the first feeding pipe along a length direction of the first feeding pipe, the second feeding pipe is inclined downward and communicated with an upper section of the first feeding pipe and a top of the weighing bin arranged on the first supporting frame, and the weighing bin is communicated with the mixing unit through a feeding member.

[0013] The bottom end of the first supporting frame is provided with a first weighing module for weighing the solid material added into the weighing bin, and the first weighing module is electrically connected with the control unit.

[0014] Optionally, the feeding member comprises a third feeding pipe, a fourth feeding pipe and a fifth feeding pipe.

[0015] The third feeding pipe is inclined downward and communicated at a bottom of the weighing bin, and an end of the third feeding pipe away from the weighing bin is communicated with the fourth feeding pipe arranged inclined upward, the fourth feeding pipe is provided with a second screw conveyor along a length direction of the fourth feeding pipe, and the fifth feeding pipe is inclined downward and respectively communicated with an upper section of the fourth feeding pipe and the mixing unit.

[0016] Optionally, the feeding units are two, one of the feeding units is used for adding a first solid material into the mixing unit, and the other of the feeding units is used for adding a second solid material into the mixing unit.

[0017] The first solid material and the second solid material are two different solid materials.

[0018] Optionally, the water feeding unit comprises a water storage bin and a second supporting frame.

[0019] The water storage bin is arranged on the second supporting frame, a bottom end of the second supporting frame is provided with a second weighing module for weighing water added into the water storage bin, and the second weighing module is electrically connected with the control unit.

[0020] The first water pipe is provided with a first water pump.

[0021] Optionally, the water storage bin is communicated with a water adding pipe, and the water adding pipe is provided with a first control valve electrically connected with the control unit.

[0022] Optionally, the liquid preparation unit comprises a liquid preparation tank and a third supporting frame.

[0023] The liquid preparation tank is arranged on the third support frame, the bottom end of the third support frame is provided with a third weighing module for weighing water in the liquid preparation tank, and two ends of the infusion pipeline are communicated with the bottom end of the liquid preparation tank and the mixing unit respectively.

[0024] The second water pump is arranged on the infusion pipeline, and the third weighing module and the second water pump are electrically connected with the control unit.

[0025] Optionally, a second water pipe is communicated with the pipe body of the liquid preparation tank, one end of the second water pipe away from the liquid preparation tank is communicated with the first water pipe, and a second control valve electrically connected with the control unit is arranged on the second water pipe.

[0026] The liquid preparation tank is provided with a feeding opening, and a stirring piece for stirring materials entering the liquid preparation tank from the feeding opening and water entering the liquid preparation tank from the second water pipe is arranged in the liquid preparation tank, and the stirring piece is electrically connected with the control unit.

[0027] Optionally, the mixing unit comprises a stirrer and a plurality of feeding pipes, water pipes and liquid pipes.

[0028] The plurality of feeding pipes correspond to the plurality of feeding units one by one, the plurality of feeding pipes, the water pipes and the liquid pipes are all communicated with the top of the stirrer, and a third control valve is arranged on each of the pipes, and the plurality of third control valves are electrically connected with the control unit.

[0029] The bottom of the stirrer is communicated with a discharging pipe, and a discharging valve electrically connected with the control unit is arranged on the discharging pipe.

[0030] In a second aspect, the application provides a batching system for gypsum core mold production, comprising: a batching area and the batching device for gypsum core mold production according to any one of the preceding embodiments arranged in the batching area.

[0031] 1) The gypsum core mold production batching device provided by the application, through the feeding member, multiple solid raw materials (solid materials can be gypsum, cement, etc.) in multiple feeding units are sequentially added into the mixing unit, water is added into the mixing unit through the water supply unit, and the liquid material for gypsum core mold production is prepared through the liquid preparation unit and delivered to the mixing unit, and the solid materials, water and liquid materials etc. entering the mixing unit are mixed to prepare the raw materials for gypsum core mold production. In the above process, the control unit controls the entire preparation process of the raw materials for gypsum core mold production. Compared with the existing manual batching of raw materials for gypsum core mold production, the frequency of manual operation is reduced, thereby reducing the labor cost of enterprises, and the entire batching process is carried out in a closed state, thereby reducing the dust yield and ensuring that the preparation process of the raw materials for gypsum core mold production is in a good environment.

[0032] 2) The gypsum core mold production batching system provided by the application, by arranging multiple feeding units, water supply units, control units and liquid preparation units in the batching area, the centralized batching of raw materials for gypsum core mold production is realized, thereby improving the batching efficiency of raw materials for gypsum core mold production. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0034] Figure 1 The structure diagram of the gypsum core mold production batching device provided by an embodiment of the application;

[0035] Figure 2 The top view of the gypsum core mold production batching device provided by an embodiment of the application;

[0036] Figure 3 The structure diagram of the feeding unit provided by an embodiment of the application;

[0037] Figure 4 The structure diagram of the water supply unit provided by an embodiment of the application;

[0038] Figure 5 The structure diagram of the liquid preparation unit provided by an embodiment of the application;

[0039] Figure 6 The structure diagram of the mixing unit provided by an embodiment of the application.

[0040] In the figure: 100, feeding unit; 101, feeding bin; 102, first feeding pipe; 103, second feeding pipe; 104, weighing bin; 105, first support frame; 1051, first weighing module; 200, water supply unit; 201, first water pipe; 2011, first water pump; 202, water storage bin; 203, second support frame; 2031, second weighing module; 300, control unit; 400, liquid preparation unit; 401, liquid conveying pipeline; 4011, second water pump; 402, liquid preparation tank; 4021, stirring part; 403, third support frame; 4031, third weighing module; 500, mixing unit; 501, mixer; 502, feeding pipe; 5021, third control valve; 503, water inlet pipe; 504, liquid inlet pipe; 505, discharging pipe; 5051, discharging valve; 600, feeding part; 601, third feeding pipe; 602, fourth feeding pipe; 603, fifth feeding pipe; 700, water inlet pipe; 701, first control valve; 800, second water pipe; 801, second control valve; 900, batching area. DETAILED DESCRIPTION

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0042] Reference Figures 1 to 6 The present application provides a batching device for gypsum core mold production, comprising: multiple feeding units 100, a water supply unit 200, and a control unit 300 arranged side by side in sequence, a liquid preparation unit 400 located on one side of the control unit 300 and close to the water supply unit 200, and a mixing unit 500 located on one side of the feeding unit 100 and parallel to the liquid preparation unit 400; the positional relationship of the multiple feeding units 100, the water supply unit 200, and the liquid preparation unit 400 is based on the batching process of raw materials for gypsum core mold production, and in the batching process, solid raw materials are usually added first, then mixed with water, and finally mixed with liquid materials. The above feeding process can ensure that the raw materials for gypsum core mold production are well mixed.

[0043] The multiple feeding units 100 are all communicated with the mixing unit 500 through the feeding part 600 and are respectively used for adding multiple solid raw materials into the mixing unit 500; wherein the multiple solid raw materials can be gypsum, cement, etc., and the specific raw materials required for gypsum core mold production can be set, and the present application does not make further limitation here.

[0044] The water supply unit 200 is communicated with the mixing unit 500 through the first water pipe 201, and is used for supplying water into the mixing unit 500; wherein the water is used as a solvent, so that the multiple solid raw materials can be better mixed.

[0045] The liquid preparation unit 400 is communicated with the mixing unit 500 through the liquid conveying pipe 401, and is used for preparing liquid material and conveying the liquid material into the mixing unit 500; wherein the liquid material is usually a polyvinyl alcohol solution, and the polyvinyl alcohol solution is prepared by mixing water, alcohol and polyvinyl alcohol in a certain proportion.

[0046] The mixing unit 500 is used for mixing the multiple solid raw materials, water and liquid material into the mixing unit 500 to obtain the raw material for gypsum core mold production; wherein the mixing time and mixing rate of the mixing unit 500 can be set according to the actual needs of the raw material for gypsum core mold production, and the application does not make specific limitation on it.

[0047] The control unit 300 is used for controlling the batching process of the raw material for gypsum core mold production; wherein the control unit 300 can be a control cabinet, which is integrated with a controller, a power supply and other structural components, and the type and size thereof can be set according to the actual needs, and the application does not make specific limitation on it.

[0048] The batching device for gypsum core mold production provided by the application adds the multiple solid raw materials (the solid material can be gypsum, cement, etc.) in the multiple feeding units 100 into the mixing unit 500 in sequence through the feeding member 600, adds water into the mixing unit 500 through the water supply unit 200, prepares the liquid material for gypsum core mold production through the liquid preparation unit 400 and conveys the liquid material to the mixing unit 500, and mixes the solid material, water and liquid material into the mixing unit 500 to obtain the raw material for gypsum core mold production. The control unit 300 controls the whole batching process of the raw material for gypsum core mold production in the above process. Compared with the existing manual batching of the raw material for gypsum core mold production, the application reduces the frequency of manual operation, thereby reducing the labor cost of enterprises, and the whole batching process is carried out in a closed state, thereby reducing the dust yield and ensuring that the batching process of the raw material for gypsum core mold production is in a good environment.

[0049] In some embodiments, reference is made to Figure 3Each feeding unit 100 in the application comprises a feeding bin 101, a first feeding pipe 102, a second feeding pipe 103, a weighing bin 104 and a first supporting frame 105; specifically, the first feeding pipe 102 is communicated in the feeding bin 101 in an upward inclination and a first screw conveyor is arranged in the first feeding pipe 102 along the length direction of the first feeding pipe 102, the second feeding pipe 103 is communicated with the upper section of the first feeding pipe 102 and the top of the weighing bin 104 arranged on the first supporting frame 105 respectively in a downward inclination, and the weighing bin 104 is communicated with the mixing unit 500 through the feeding member 600; wherein the bottom end of the first supporting frame 105 is provided with a first weighing module 1051 for weighing the solid material added into the weighing bin 104, and the first weighing module 1051 is electrically connected with the control unit 300.

[0050] In the actual feeding process, a first mass of solid material is added into the feeding bin 101, denoted as m1, the solid material in the feeding bin 101 is added into the weighing bin 104 through the first screw conveyor in the first feeding pipe 102, the solid material added into the weighing bin 104 is weighed by the first weighing module 1051 at the bottom end of the first supporting frame 105, the mass of the solid material at this time is denoted as m2, the solid material in the weighing bin 104 is added into the mixing unit 500 through the feeding member 600, the mass of the solid material in the weighing bin 104 at this time is denoted as m3, the mass of the solid material added into the mixing unit 500 is denoted as m4, and m4 = m2 - m3, thereby realizing the accurate addition of solid material into the mixing unit 500 in turn, and improving the accuracy of raw material batching for gypsum core mold production. In addition, the first weighing module 1051 can be a weighing sensor, which can be specifically set according to the actual situation, and the application does not make specific limitation thereto.

[0051] In some embodiments, reference is made to Figure 1 The feeding member 600 in the application comprises a third feeding pipe 601, a fourth feeding pipe 602 and a fifth feeding pipe 603; specifically, the third feeding pipe 601 is communicated with the bottom of the weighing bin 104 in a downward inclination, and the end of the third feeding pipe 601 away from the weighing bin 104 is communicated with the fourth feeding pipe 602 arranged in an upward inclination, the fourth feeding pipe 602 is provided with a second screw conveyor along the length direction of the fourth feeding pipe 602, and the fifth feeding pipe 603 is communicated with the upper section of the fourth feeding pipe 602 and the mixing unit 500 respectively in a downward inclination.

[0052] In the above embodiment, the solid material in the weighing bin 104 enters the third feeding pipe 601 connected to the bottom of the weighing bin 104, and is transported to the mixing unit 500 through the second screw conveyor in the fourth feeding pipe 602 and the fifth feeding pipe 603, so as to realize the transportation of the solid material in the weighing bin 104. The downward inclination of the third feeding pipe 601 and the downward inclination of the fifth feeding pipe 603 facilitate the downward feeding of the solid material, so that the transportation process of the solid material is more smooth, and the transportation efficiency of the solid material is improved.

[0053] In some embodiments, referring to Figure 1 and Figure 2 , the feeding unit 100 in the present application has two, one of which is used to add the first solid material to the mixing unit 500, and the other is used to add the second solid material to the mixing unit 500; wherein the first solid material and the second solid material are two different solid materials.

[0054] In the above embodiment, since the solid raw material for gypsum core mold production is mainly gypsum and cement, if the first solid material is gypsum, the second solid material is cement; if the first solid material is cement, the second solid material is gypsum. It can be set according to actual conditions, and the present application does not make specific limitation here.

[0055] In some embodiments, referring to Figure 4 , the water feeding unit 200 in the present application includes a water storage bin 202 and a second support frame 203; specifically, the water storage bin 202 is arranged on the second support frame 203, and the bottom end of the second support frame 203 is provided with a second weighing module 2031 for weighing the water added to the water storage bin 202, and the second weighing module 2031 is electrically connected with the control unit 300; wherein the second weighing module 2031 can be a weighing sensor, which can be set according to actual conditions, and the present application does not make specific limitation here.

[0056] Wherein, the first water pipe 201 is provided with a first water pump 2011.

[0057] In the above embodiment, the mass of the water added to the water storage bin 202 is weighed by the second weighing module 2031 and recorded as m5, and after the water in the water storage bin 202 is added to the mixing unit 500 by opening the first water pump 2011, the mass of the water in the water storage bin 202 is m6, and the mass of the water added to the mixing unit 500 is m7, m7=m5-m6, so as to realize the accurate addition of the amount of water to the mixing unit 500, and realize the accuracy of the raw material batching process for gypsum core mold production.

[0058] In some embodiments, referring to Figure 4The water storage bin 202 in the application is connected with a water adding pipe 700, and the water adding pipe 700 is provided with a first control valve 701 electrically connected with the control unit 300. The end of the water adding pipe 700 away from the water storage bin 202 is connected with a water source.

[0059] In the above embodiment, the water in the water source enters the water storage bin 202 through the water adding pipe 700, and the first control valve 701 can control the on-off of the water entering the water storage bin 202 and calculate the amount of water added, so as to facilitate the control of the amount of water added to the water storage bin 202.

[0060] In some embodiments, referring to Figure 5 The liquid preparation unit 400 in the application comprises a liquid preparation tank 402 and a third support frame 403. Specifically, the liquid preparation tank 402 is arranged on the third support frame 403, and the bottom end of the third support frame 403 is provided with a third weighing module 4031 for weighing the water in the liquid preparation tank 402. The two ends of the infusion pipeline 401 are connected to the bottom end of the liquid preparation tank 402 and the mixing unit 500, respectively. The third weighing module 4031 can be a weighing sensor, and the specific configuration can be determined according to the actual situation, which is not limited herein.

[0061] The infusion pipeline 401 is provided with a second water pump 4011, and the third weighing module 4031 and the second water pump 4011 are electrically connected with the control unit 300.

[0062] In the above embodiment, the liquid material in the liquid preparation tank 402 is weighed by the third weighing module 4031, and the weighed mass is m8. The control unit 300 is used to open the second water pump 4011 to add the liquid material in the liquid preparation tank 402 into the mixing unit 500 through the infusion pipeline 401. At this time, the mass of the liquid material in the liquid preparation tank 402 weighed by the third weighing module 4031 is m9, and the mass of the liquid material added into the mixing unit 500 is m 10 =m9-m8, so as to accurately add the liquid material into the mixing unit 500, thereby improving the accuracy of the raw material preparation for the gypsum core mold production.

[0063] In some embodiments, referring to Figure 2The pipe body of the liquid preparation tank 402 in the application is communicated with a second water pipe 800, one end of the second water pipe 800 away from the liquid preparation tank 402 is communicated with the first water pipe 201 and a second control valve 801 electrically connected with the control unit 300 is arranged on the second water pipe 800; since the liquid preparation tank 402 is used for preparing liquid materials, additives are needed in the process of preparing raw materials for gypsum core mold production, and the additives are polyvinyl alcohol solution which is mainly prepared by mixing water, alcohol and polyvinyl alcohol in a certain proportion. That is, water is needed for the preparation of polyvinyl alcohol solution, and the water in the water storage bin 202 enters the liquid preparation tank 402 through the first water pipe 201 and the second water pipe 800 in turn, and provides the water needed for preparing polyvinyl alcohol solution to the liquid preparation tank 402. In this process, the second control valve 801 controls the on-off of the process of water entering the liquid preparation tank 402 from the second water pipe 800 and calculates the amount of water added.

[0064] In addition, the liquid preparation tank 402 is provided with a feeding port, and a stirring member 4021 for stirring the materials entering the liquid preparation tank 402 from the feeding port and the water entering the liquid preparation tank 402 from the second water pipe 800 is arranged in the liquid preparation tank 402, and the stirring member 4021 is electrically connected with the control unit 300. Among them, polyethylene and ethanol are added to the liquid preparation tank 402 through the feeding port, and the polyethylene, ethanol and water added to the liquid preparation tank 402 are stirred and mixed by the stirring member 4021 to prepare polyvinyl alcohol solution. The stirring member 4021 can be a stirring rod, and stirring blades are arranged on the rod body of the stirring rod extending into the liquid preparation tank 402, and one end of the stirring rod outside the liquid preparation tank 402 is connected with the output shaft of the motor, which can be set according to actual needs, and the application does not make specific limitation here.

[0065] In some embodiments, reference is made to Figure 6 The mixing unit 500 in the application includes a mixer 501 and a plurality of feeding pipes 502, water inlet pipes 503 and liquid inlet pipes 504; specifically, the plurality of feeding pipes 502 correspond one-to-one to the plurality of feeding units 100, the plurality of feeding pipes 502, water inlet pipes 503 and liquid inlet pipes 504 are all communicated with the top of the mixer 501 and the third control valves 5021 are arranged on them, and the plurality of third control valves 5021 are all electrically connected with the control unit 300; wherein the control unit 300 controls the on-off of the third control valve 5021 on the feeding pipe 502 corresponding to the feeding unit 100 to add solid materials to the mixer 501, the on-off of the third control valve 5021 on the water inlet pipe 503 corresponding to the water supply unit 200 to add water to the mixer 501 and the on-off of the third control valve 5021 on the liquid inlet pipe 504 corresponding to the liquid preparation unit 400 to add liquid materials to the mixer 501, avoiding manual operation, thereby improving the convenience and efficiency of the preparation process.

[0066] In addition, the bottom of the stirrer 501 is communicated with a discharge pipe 505, and the discharge pipe 505 is provided with a discharge valve 5051 electrically connected with the control unit 300. Wherein, after the material in the stirrer 501 is stirred uniformly, the discharge valve 5051 is opened by the control unit 300, so that the raw material for producing the gypsum core mold produced in the stirrer 501 is discharged for making the gypsum core mold.

[0067] In a second aspect, the application provides a gypsum core mold production batching system, comprising: a batching area 900 and the gypsum core mold production batching device described in any one of the preceding embodiments arranged in the batching area 900.

[0068] The gypsum core mold production batching system provided by the application realizes the centralized batching of the raw material for producing the gypsum core mold by arranging the plurality of feeding units 100, the water supply unit 200, the control unit 300 and the liquid preparation unit 400 in the batching area 900, thereby improving the batching efficiency of the raw material for producing the gypsum core mold.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that; it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the application.

Claims

1. A batching device for producing plaster core molds, characterized in that, include: Multiple feeding units (100), water supply units (200) and control units (300) are arranged in parallel, a liquid preparation unit (400) is located on one side of the control unit (300) and close to the water supply unit (200), and a mixing unit (500) is located on one side of the feeding unit (100) and parallel to the liquid preparation unit (400). Each of the feeding units (100) is connected to the mixing unit (500) via a feeding component (600), and is used to add a variety of solid raw materials into the mixing unit (500); The water supply unit (200) is connected to the mixing unit (500) through the first water pipe (201) and is used to add water to the mixing unit (500); The liquid preparation unit (400) is connected to the mixing unit (500) through the liquid delivery pipe (401) and is used to prepare liquid materials and deliver the liquid materials to the mixing unit (500); The mixing unit (500) is used to mix the various solid raw materials, the water and the liquid materials that enter therein to obtain raw materials for the production of gypsum core molds; The control unit (300) is used to control the batching process of the raw materials for producing the gypsum core mold.

2. The batching device for producing plaster core molds according to claim 1, characterized in that, Each of the feeding units (100) includes a feeding bin (101), a first feeding pipe (102), a second feeding pipe (103), a weighing bin (104), and a first support frame (105). The first feeding pipe (102) is inclined upward and connected to the feeding bin (101), and a first screw conveyor is provided inside it along its own length direction. The second feeding pipe (103) is inclined downward and connected to the upper section of the first feeding pipe (102) and the top of the weighing bin (104) provided on the first support frame (105). The weighing bin (104) is connected to the mixing unit (500) through the feeding component (600). The bottom end of the first support frame (105) is provided with a first weighing module (1051) for weighing solid materials added into the weighing bin (104), and the first weighing module (1051) is electrically connected to the control unit (300).

3. The batching device for producing gypsum core molds according to claim 2, characterized in that, The feeding component (600) includes a third feeding pipe (601), a fourth feeding pipe (602) and a fifth feeding pipe (603). The third feeding pipe (601) is inclined downward and connected to the bottom of the weighing hopper (104), and its end away from the weighing hopper (104) is connected to the fourth feeding pipe (602) which is inclined upward. The fourth feeding pipe (602) is provided with a second screw conveyor along its length direction. The fifth feeding pipe (603) is inclined downward and is connected to the upper section of the fourth feeding pipe (602) and the mixing unit (500) respectively.

4. The batching device for producing gypsum core molds according to claim 1, characterized in that, There are two feeding units (100), one of which is used to add a first solid material to the mixing unit (500), and the other feeding unit (100) is used to add a second solid material to the mixing unit (500); The first solid material and the second solid material are two different solid materials.

5. The batching device for producing gypsum core molds according to claim 1, characterized in that, The water supply unit (200) includes a water storage tank (202) and a second support frame (203); The water storage tank (202) is mounted on the second support frame (203). The bottom end of the second support frame (203) is provided with a second weighing module (2031) for weighing the water added to the water storage tank (202). The second weighing module (2031) is electrically connected to the control unit (300). The first water pipe (201) is equipped with a first water pump (2011) that is electrically connected to the control unit (300).

6. The batching device for producing gypsum core molds according to claim 5, characterized in that, The water storage tank (202) is connected to a water supply pipe (700), and the water supply pipe (700) is equipped with a first control valve (701) that is electrically connected to the control unit (300).

7. The batching device for producing plaster core molds according to claim 1, characterized in that, The liquid preparation unit (400) includes a liquid preparation tank (402) and a third support frame (403). The liquid preparation tank (402) is mounted on the third support frame (403). The bottom end of the third support frame (403) is provided with a third weighing module (4031) for weighing the water in the liquid preparation tank (402). The two ends of the liquid delivery pipe (401) are respectively connected to the bottom end of the liquid preparation tank (402) and the mixing unit (500). The infusion pipeline (401) is equipped with a second water pump (4011), and both the third weighing module (4031) and the second water pump (4011) are electrically connected to the control unit (300).

8. The batching device for producing gypsum core molds according to claim 7, characterized in that, The liquid preparation tank (402) has a second water pipe (800) connected to its body. The end of the second water pipe (800) away from the liquid preparation tank (402) is connected to the first water pipe (201) and a second control valve (801) electrically connected to the control unit (300) is provided thereon. The liquid preparation tank (402) is provided with a feeding port, and is provided with a stirring element (4021) for stirring the material entering it from the feeding port and the water entering it from the second water pipe (800). The stirring element (4021) is electrically connected to the control unit (300).

9. The batching device for producing plaster core molds according to any one of claims 1 to 8, characterized in that, The mixing unit (500) includes a mixer (501) and multiple feed pipes (502), water inlet pipes (503) and liquid inlet pipes (504); Each of the multiple feed pipes (502) corresponds to one of the multiple feeding units (100). The multiple feed pipes (502), the water inlet pipe (503) and the liquid inlet pipe (504) are all connected to the top of the mixer (501) and are each provided with a third control valve (5021). The multiple third control valves (5021) are all electrically connected to the control unit (300). The bottom of the mixer (501) is connected to a discharge pipe (505), and a discharge valve (5051) electrically connected to the control unit (300) is provided on the discharge pipe (505).

10. A batching system for producing plaster core molds, characterized in that, include: The batching area (900) and the batching device for producing plaster core molds according to any one of claims 1 to 9, provided in the batching area (900).

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