Paste mixing machine

Abstract

The utility model discloses a paste mixing machine which comprises a machine frame, a raw material weighing mechanism is installed on the machine frame, a paste mixing mechanism is arranged below the raw material weighing mechanism, and a lead paste storage mechanism is arranged below a paste outlet of the paste mixing mechanism. A lead powder weighing hopper is hung on three load sensors, a special discharging pneumatic butterfly valve is adopted for discharging of the lead powder weighing hopper and is controlled by an air cylinder with a magnetic switch, automatic control is achieved, an acid weighing cylinder is hung on a weighing sensor, an acid adding pipeline system is matched, and two acid-resisting ball valves with pneumatic actuators are used for controlling weighing and acid adding. A water weighing cylinder is hung on the other weighing sensor, two acid-resistant ball valves with pneumatic actuators are used for controlling weighing and water adding in cooperation with a water adding pipeline system, an electric magnetic valve is additionally arranged, the water supplementing and adding requirement can be met, automatic operation is achieved on lead powder, sulfuric acid and pure water in a formula according to a preset formula and a paste mixing technology, and the production efficiency is improved. The production cost and the labor burden are reduced while the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paste mixing machines, in particular to a paste mixing machine. Background Art

[0002] The plates of lead-acid batteries are generally manufactured through processes such as paste mixing, grid pouring, curing, formation, water washing and drying. Paste mixing is to mix lead powder and acid liquid into a uniform paste through mechanical stirring. The traditional paste mixing machine adopts a paddle stirring structure. The lead powder and acid water are weighed in advance, and then the lead powder and acid water are added to the agitator, and the agitator is turned on to mix the paste.

[0003] At present, when using a paste mixing machine to mix a variety of raw materials for making lead paste for lead-acid batteries, since the existing paste mixing machines mostly adopt manual dosing, the dosing accuracy of lead powder, additives, acid, water, etc. is poor, and the accurate proportion of the components of the lead paste cannot be achieved. All operations are manually supervised and operated, including feeding, stirring, mixing, etc., which has high labor intensity, low production efficiency, and increased production costs and labor burden. Therefore, we need to propose a paste mixing machine. Utility Model Content

[0004] The purpose of the utility model is to provide a paste mixing machine, which, through the cooperation of a raw material weighing mechanism, a paste mixing mechanism and a lead paste storage mechanism, can automatically operate the lead powder, sulfuric acid and pure water in the formula according to a preset formula and paste mixing process, thereby improving production efficiency while reducing production costs and labor burden, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The paste mixing machine comprises a frame, a raw material weighing mechanism is installed on the frame, a paste mixing mechanism is arranged below the raw material weighing mechanism, and a lead paste storage mechanism is arranged below the paste outlet of the paste mixing mechanism;

[0007] The raw material weighing mechanism includes a mounting frame, which is fixedly installed on the surface of the frame, and three groups of load sensors are installed in a circular array on the inner wall of the mounting frame, and lead powder weighing hoppers are suspended on the three groups of load sensors, and a pneumatic butterfly valve is provided at the discharge port of the lead powder weighing hopper. The mounting frame is located on one side of the lead powder weighing hopper and is fixedly installed with a support frame, and two groups of weighing sensors are fixedly installed on the bottom of the support frame, and an acid weighing cylinder and a water weighing cylinder are respectively suspended at the bottom of the two groups of weighing sensors, and the bottoms of the acid weighing cylinder and the water weighing cylinder are respectively connected to an acid adding pipeline system and a water adding pipeline system for feeding materials to the paste mixing mechanism.

[0008] Preferably, the paste mixing mechanism includes a fixing frame, which is fixedly embedded in the interior of the frame, a paste mixing cylinder is fixedly installed on the top of the fixing frame, and an upper cover is installed on the top of the paste mixing cylinder, the top of one side of the upper cover is connected to a cold air inlet, and the top of the other side of the upper cover is connected to an exhaust outlet, a lead powder inlet is provided on one side of the upper cover located at the exhaust outlet, and the lead powder inlet is located directly below the discharge port of the lead powder weighing hopper, and an acid adding port and a water adding port are fixedly connected on one side of the upper cover located at the cold air inlet, and the acid adding pipeline system and the water adding pipeline system are respectively connected to the acid adding port and the water adding port.

[0009] Preferably, a scraper assembly for stirring and scraping the raw materials is rotatably installed inside the paste mixing tube, and the scraper assembly is composed of a paddle and a scraper, and the scraper assembly is driven by a stirring motor arranged at the bottom of the fixed frame.

[0010] Preferably, a paste outlet door is provided on one side of the paste mixing tube, and the paste outlet door is composed of a concave frame, an electric push rod and a sealing door.

[0011] Preferably, the frame is covered with a protective cover above the paste outlet door, and a discharge port for discharging waste after cleaning is provided on one side of the paste mixing tube.

[0012] Preferably, the lead paste storage mechanism comprises a stainless steel cone cylinder, which is embedded in a frame, a paste storage cylinder is rotatably installed inside the stainless steel cone cylinder, a rotating motor for rotating the paste storage cylinder is installed on one side of the bottom of the stainless steel cone cylinder, and a manual sliding door is provided at the bottom of the stainless steel cone cylinder.

[0013] Preferably, a scraper plate is attached to the inner wall of the paste storage tube, and the top and bottom of the scraper plate are respectively installed on the top and bottom of the stainless steel cone tube.

[0014] Preferably, the mounting frame is located below the acid weighing cylinder and the water weighing cylinder and is provided with a material tray to prevent acid and water from overflowing, and a sewage pipe is provided at the bottom of the material tray.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model suspends a lead powder weighing hopper on three load sensors, uses a special pneumatic butterfly valve for unloading the lead powder weighing hopper, and is operated by a cylinder with a magnetic switch to achieve automatic control; an acid weighing cylinder is hung on a weighing sensor, and two acid-resistant ball valves with pneumatic actuators are used to control weighing and acid addition in conjunction with an acid-adding pipeline system; a water weighing cylinder is hung on another weighing sensor, and two acid-resistant ball valves with pneumatic actuators are used to control weighing and water addition in conjunction with a water-adding pipeline system; an electric magnetic valve is also provided to meet the requirement for replenishing water, and automatic operation is achieved for the lead powder, sulfuric acid and pure water in the formula according to a preset formula and paste-mixing process, thereby improving production efficiency while reducing production costs and labor burdens. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model in a front view;

[0018] Figure 2 It is a structural schematic diagram of the raw material weighing mechanism and the paste mixing mechanism of the utility model;

[0019] Figure 3 It is a schematic structural diagram of the raw material weighing mechanism of the utility model from a side view;

[0020] Figure 4 This is a schematic diagram of the structure of the raw material weighing mechanism of the utility model from a top view;

[0021] Figure 5 It is a schematic diagram of the structure of the paste-mixing mechanism of the utility model;

[0022] Figure 6 It is a schematic diagram of the top view of the paste-mixing mechanism of the utility model;

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the lead paste storage mechanism of the utility model;

[0024] Figure 8 This is a structural schematic diagram of the bottom of the lead paste storage mechanism of the utility model;

[0025] Fig. 9 It is a structural schematic diagram of the paste storage cylinder and the rotating motor of the utility model.

[0026] In the figure: 1. frame; 2. raw material weighing mechanism; 21. mounting frame; 22. load sensor; 23. lead powder weighing bucket; 24. pneumatic butterfly valve for unloading; 25. support frame; 26. weighing sensor; 27. acid weighing cylinder; 28. water weighing cylinder; 29. ​​material tray; 210. acid adding pipeline system; 211. water adding pipeline system; 3. paste mixing mechanism; 31. fixing frame; 32. paste mixing cylinder; 33. upper cover; 34. lead powder inlet; 35. exhaust outlet; 36. cold air inlet; 37. acid adding port; 38. water adding port; 39. scraper assembly; 310. paste outlet door; 311. protective cover; 312. discharge port; 4. lead paste storage mechanism; 41. stainless steel cone; 42. paste storage cylinder; 43. scraper plate; 44. rotating motor; 45. manual sliding door. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-9 , the utility model provides a technical solution:

[0029] The paste mixing machine comprises a frame 1, a raw material weighing mechanism 2 is installed on the frame 1, a paste mixing mechanism 3 is arranged below the raw material weighing mechanism 2, and a lead paste storage mechanism 4 is arranged below the paste outlet of the paste mixing mechanism 3;

[0030] The raw material weighing mechanism 2 includes a mounting frame 21, which is fixedly mounted on the surface of the frame 1. Three groups of load sensors 22 are installed in a circular array on the inner wall of the mounting frame 21. A lead powder weighing bucket 23 is suspended on the three groups of load sensors 22. A pneumatic butterfly valve 24 is provided at the discharge port of the lead powder weighing bucket 23. A support frame 25 is fixedly mounted on the mounting frame 21 on one side of the lead powder weighing bucket 23. Two groups of weighing sensors 26 are fixedly mounted on the bottom of the support frame 25. An acid weighing cylinder 27 and a water weighing cylinder 28 are respectively suspended at the bottom of the two groups of weighing sensors 26. The bottoms of the acid weighing cylinder 27 and the water weighing cylinder 28 are respectively connected to an acid adding pipeline system 210 and a water adding pipeline system 211 for feeding the paste mixing mechanism 3.

[0031] The paste mixing mechanism 3 includes a fixing frame 31, which is fixedly embedded in the frame 1, and a paste mixing cylinder 32 is fixedly installed on the top of the fixing frame 31. A top cover 33 is installed on the top of the paste mixing cylinder 32. A cold air inlet 36 is connected to the top of one side of the top cover 33, and an exhaust port 35 is connected to the top of the other side of the top cover 33. A lead powder inlet 34 is provided on one side of the exhaust port 35 of the top cover 33. The lead powder inlet 34 is located just below the discharge port of the lead powder weighing hopper 23, so that the lead powder can be discharged through the pneumatic butterfly valve 23. Valve 24 controls the lead powder in the lead powder weighing hopper 23 to enter the paste cylinder 32 through the lead powder inlet 34. The upper cover 33 is located on one side of the cold air inlet 36 and is fixedly connected with an acid adding port 37 and a water adding port 38. The acid adding pipeline system 210 and the water adding pipeline system 211 are respectively connected to the acid adding port 37 and the water adding pipeline system 211, so that sulfuric acid in the acid weighing cylinder 27 can be added into the paste cylinder 32 through the acid adding pipeline system 210, and pure water in the water weighing cylinder 28 can be added into the paste cylinder 32 through the water adding pipeline system 211.

[0032] A scraper assembly 39 for stirring and scraping the raw materials is installed inside the paste mixing tube 32. The scraper assembly 39 is composed of a paddle and a scraper. The scraper assembly 39 is driven by a stirring motor arranged at the bottom of the fixed frame 31, so that the scraper assembly 39 can be driven to rotate by the stirring motor. The raw materials entering the paste mixing tube 32 are stirred and the paste is mixed by the paddle in the scraper assembly 39. While the scraper stirs the raw materials, it also scrapes the raw materials adhering to the inner wall of the paste mixing tube 32.

[0033] A paste outlet door 310 is provided on one side of the paste tube 32. The paste outlet door 310 is composed of a concave frame, an electric push rod and a sealing door, so that the electric push rod can drive the sealing door to close and open the material outlet of the paste tube 32.

[0034] The inner wall of the paste mixing cylinder 32, the paddles and scrapers in the scraper assembly 39 are all made of stainless steel. The cylinder wall and bottom are machined to achieve the best paste mixing and cleaning effects. The contact points between the scraper, paddles and the cylinder wall and bottom are lined with replaceable polymer linings.

[0035] The frame 1 is covered with a protective cover 311 above the paste outlet door 310, which is convenient for shielding and protecting the top of the paste outlet door 310 through the protective cover 311. A discharge port 312 for discharging waste after cleaning is provided on one side of the paste tube 32, which is convenient for opening the discharge port 312 to discharge waste when cleaning the inside of the paste tube 32.

[0036] The lead paste storage mechanism 4 includes a stainless steel cone cylinder 41, which is embedded in the frame 1. A paste storage cylinder 42 is rotatably installed inside the stainless steel cone cylinder 41. A rotating motor 44 for rotating the paste storage cylinder 42 is installed on one side of the bottom of the stainless steel cone cylinder 41. The outer wall of the paste storage cylinder 42 is sleeved with a gear disk, and a gear is meshed on one side of the gear disk. The gear is sleeved on the top of the output shaft of the rotating motor 44, so that the paste storage cylinder 42 can be driven to rotate by the rotating motor 44. A manual sliding door 45 is provided at the bottom of the stainless steel cone cylinder 41, so that the bottom of the paste storage cylinder 42 can be closed and opened by the manual sliding door 45.

[0037] A scraper plate 43 is attached to the inner wall of the paste storage barrel 42, and the top and bottom of the scraper plate 43 are respectively installed on the top and bottom of the stainless steel cone barrel 41. When the paste storage barrel 42 rotates, the scraper plate 43 scrapes the inner wall of the paste storage barrel 42. The manual sliding door 45 is provided with an avoidance groove for the scraper plate 43 to avoid. When the manual sliding door 45 is out of contact with the scraper plate 43 and the discharging state is opened at the bottom of the paste storage barrel 42, the rotating motor 44 will drive the paste storage barrel 42 to rotate.

[0038] The mounting frame 21 is located below the acid weighing cylinder 27 and the water weighing cylinder 28 and is equipped with a material tray 29 to prevent acid and water from overflowing. A sewage pipe is provided at the bottom of the material tray 29. The material tray 29 is mainly used to prevent sulfuric acid and water from overflowing, and plays a role in collecting and discharging wastewater. The sewage pipe can be directly connected to an external pipe to discharge the sewage.

[0039] Working principle: When the utility model is used, the lead powder weighing hopper 23 is suspended on three load sensors 22. The lead powder weighing hopper 23 is unloaded by a special pneumatic butterfly valve 24, which is operated by a cylinder with a magnetic switch to achieve automatic control. The acid weighing cylinder 27 is hoisted on a weighing sensor 26, and the acid adding pipeline system 210 uses two acid-resistant ball valves with pneumatic actuators to control weighing and acid adding. The water weighing cylinder 28 is hoisted on another weighing sensor 26, and the water adding pipeline system 211 uses two acid-resistant ball valves with pneumatic actuators to control weighing and water adding. An electric magnetic valve is also provided to meet the requirement of adding water. The lead powder, sulfuric acid and pure water in the formula are automatically operated according to the preset formula and paste mixing process, which improves production efficiency while reducing production costs and labor burden.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paste mixing machine, comprising a frame (1), characterized in that: A raw material weighing mechanism (2) is installed on the frame (1), a paste mixing mechanism (3) is arranged below the raw material weighing mechanism (2), and a lead paste storage mechanism (4) is arranged below the paste outlet of the paste mixing mechanism (3); The raw material weighing mechanism (2) comprises a mounting frame (21), the mounting frame (21) being fixedly mounted on the surface of the frame (1), three groups of load sensors (22) being mounted in a circular array on the inner side wall of the mounting frame (21), lead powder weighing hoppers (23) being suspended on the three groups of load sensors (22), a discharge port of the lead powder weighing hopper (23) being provided with a discharge pneumatic butterfly valve (24), and the mounting frame (21) being located at the lead powder weighing hopper A support frame (25) is fixedly installed on one side of (23), and two groups of weighing sensors (26) are fixedly installed on the bottom of the support frame (25). An acid weighing cylinder (27) and a water weighing cylinder (28) are respectively suspended at the bottom of the two groups of weighing sensors (26). The bottoms of the acid weighing cylinder (27) and the water weighing cylinder (28) are respectively connected to an acid adding pipeline system (210) and a water adding pipeline system (211) for feeding materials to the paste mixing mechanism (3).

2. The paste mixing machine according to claim 1, characterized in that: The paste mixing mechanism (3) comprises a fixing frame (31), the fixing frame (31) is fixedly embedded in the interior of the frame (1), a paste mixing cylinder (32) is fixedly mounted on the top of the fixing frame (31), a top cover (33) is mounted on the top of the paste mixing cylinder (32), a top of one side of the top cover (33) is connected to a cold air inlet (36), a top of the other side of the top cover (33) is connected to an exhaust port (35), a lead powder inlet (34) is provided on one side of the top cover (33) located at the exhaust port (35), the lead powder inlet (34) is located directly below the discharge port of the lead powder weighing hopper (23), an acid adding port (37) and a water adding port (38) are fixedly connected on one side of the top cover (33) located at the cold air inlet (36), and the acid adding pipeline system (210) and the water adding pipeline system (211) are respectively connected to the acid adding port (37) and the water adding port (38).

3. The paste mixing machine according to claim 2, characterized in that: A scraper assembly (39) for stirring and scraping the raw materials is rotatably installed inside the paste mixing tube (32). The scraper assembly (39) is composed of a paddle and a scraper. The scraper assembly (39) is driven by a stirring motor arranged at the bottom of the fixed frame (31).

4. The paste mixing machine according to claim 3, characterized in that: A paste outlet door (310) is provided on one side of the paste mixing tube (32), and the paste outlet door (310) is composed of a concave frame, an electric push rod and a sealing door.

5. The paste mixing machine according to claim 4, characterized in that: The frame (1) is covered with a protective cover (311) located above the paste outlet door (310), and a discharge port (312) for discharging waste after cleaning is provided on one side of the paste mixing tube (32).

6. The paste mixing machine according to claim 1, characterized in that: The lead paste storage mechanism (4) comprises a stainless steel cone cylinder (41), the stainless steel cone cylinder (41) is embedded in the frame (1), a paste storage cylinder (42) is rotatably mounted inside the stainless steel cone cylinder (41), a rotating motor (44) for rotating the paste storage cylinder (42) is mounted on one side of the bottom of the stainless steel cone cylinder (41), and a manual sliding door (45) is provided at the bottom of the stainless steel cone cylinder (41).

7. The paste mixing machine according to claim 6, characterized in that: A scraper plate (43) is attached to the inner wall of the paste storage cylinder (42), and the top and bottom of the scraper plate (43) are respectively mounted on the top and bottom of the stainless steel cone cylinder (41).

8. The paste mixing machine according to claim 1, characterized in that: The mounting frame (21) is located below the acid weighing cylinder (27) and the water weighing cylinder (28) and is provided with a material tray (29) for preventing acid and water from overflowing, and a sewage pipe is provided at the bottom of the material tray (29).

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