Lost foam casting coating adding equipment

By adopting a dual stirring shaft and disperser structure in the disappearing mold casting coating addition equipment, the problem of local stacking and uneven dispersion of raw materials in the mixing barrel is solved, uniform dispersion and rapid mixing of the coating are achieved, and mixing efficiency is improved.

CN222518316UActive Publication Date: 2025-02-25HUBEI CHENGQUAN MACHINERY CASTING CO LTD
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Patent Information

Application Number
CN202421279197.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-02-25
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

When the existing disappearing mold casting coating addition equipment is fed, the raw materials are easily piled up in the local area of ​​the mixing barrel, resulting in the inability to effectively disperse the raw materials of the coating. It takes a long time to mix and mix, and the mixing time is long and the efficiency is low.

Method used

A disappearing mold casting coating addition equipment is designed, using a dual stirring shaft and a disperser structure. The dual stirring shaft drives the movable stirring rod to rotate. The disperser evenly disperse the paint through the cone and the connecting rod, so that the paint is in the paint tank. The corners are evenly dispersed, and the mixing is achieved with physical stirring.

Benefits of technology

Through structural design, the raw materials can be pre-dispersed and mixed, which significantly shortens the coating mixing time, improves the mixing efficiency, and makes the coating mixing effect better.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses evanescent mode casting coating adding equipment, and relates to the technical field of coating processing, the evanescent mode casting coating adding equipment comprises a coating tank, a first stirring shaft, a second stirring shaft and a driving mechanism, the bottom of the coating tank is provided with four supporting legs, the evanescent mode casting coating adding equipment is provided with a disperser, and the disperser can uniformly disperse coating entering the coating tank, so that the coating can be uniformly dispersed; according to the utility model, through the structural design, the raw materials can be dispersed and mixed in advance, so that the mixing effect of the coating is good, the mixing time is short, and through the arrangement of the double stirring shafts, the mixing efficiency of the coating is greatly improved. The double stirring shafts drive the movable stirring rods to rotate so that paint can be stirred more evenly, the fixed stirring rods on the inner wall of the paint tank and the movable stirring rods on the double stirring shafts are combined in a dynamic and static mode, the auxiliary stirring effect can be achieved through mutual cooperation, and therefore stirring can be more thorough.
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Description

Technical Field

[0001] The utility model relates to the technical field of coating processing, in particular to a coating adding device for lost foam casting. Background Art

[0002] When using lost foam casting to produce aluminum alloy products, it is necessary to apply a layer of fire retardant coating on the surface of the EPS foam plastic model. The fire retardant coating can improve the strength and rigidity of the foam plastic model, and at the same time prevent dry sand from entering the mold, causing the mold to collapse, and prevent defects such as pores and carbon black. Therefore, the fire retardant coating plays a very important role in lost foam casting.

[0003] When configuring fire retardant coating, different materials need to be mixed and stirred. After searching, patent authorization announcement number CN218963966 U discloses a lost foam casting coating adding device, "including a shell, a plurality of first fixing holes are opened on the top of the shell, a feeding pipe is fixedly connected to the top of the shell, a stirring barrel is fixedly connected to the inside of the shell, two slide grooves are opened on the inner wall of the stirring barrel, a driving gear is arranged inside the stirring barrel, a first rotating shaft is fixedly connected to the inside of the driving gear, the outer surface of the first rotating shaft is inserted into the inside of one of the first fixing holes, a motor is arranged above the shell, one side of the output shaft of the first motor is fixedly connected to one side of the first rotating shaft, and two driven gears are arranged inside the stirring barrel". However, the feeding pipe of the above-mentioned equipment is installed on the eccentric side of the upper end face of the stirring barrel. When feeding, the raw materials are easily accumulated in the local area of ​​the stirring barrel. Since the raw materials cannot be effectively dispersed, it takes a long time to stir to make the raw materials of the coating evenly mixed, and the mixing time is long and the efficiency is low. Utility Model Content

[0004] The utility model aims to provide a coating adding device for lost foam casting to solve the problems raised in the above background technology.

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

[0006] A lost foam casting coating adding device comprises a coating tank, a first stirring shaft, a second stirring shaft and a driving mechanism, wherein four legs are installed at the bottom of the coating tank, a first stirring shaft and a second stirring shaft are arranged side by side in the coating tank, the first stirring shaft and the second stirring shaft pass through the bottom of the coating tank and are rotatably connected to the coating tank through a sealed bearing, movable stirring rods are installed on the first stirring shaft and the second stirring shaft, the bottom ends of the first stirring shaft and the second stirring shaft are connected to the driving mechanism installed at the bottom of the coating tank, a fixed stirring rod staggered with the movable stirring rod is installed on the side wall of the coating tank, a disperser is installed above the first stirring shaft and the second stirring shaft inside the coating tank, and a barrel is installed in the middle of the top of the coating tank.

[0007] As a further solution of the utility model: the disperser includes a fixing ring, a connecting rod and a cone, the fixing ring is fixed on the inner wall of the paint tank, the cone is arranged in the middle of the fixing ring, and the cone is fixedly connected to the fixing ring by a connecting rod.

[0008] As a further solution of the utility model: the outer wall of the barrel is provided with capacity scale lines, the bottom of the barrel is installed with a feed pipe, and the feed pipe is installed with a feed valve.

[0009] As a further solution of the utility model: a discharge pipe is installed on one side of the bottom of the paint tank, and a discharge valve is installed on the discharge pipe.

[0010] As a further solution of the utility model: the driving mechanism includes gears, gear covers and motors, the gears are installed at the bottom ends of the first stirring shaft and the second stirring shaft, and the two gears are meshed with each other, a gear cover is provided outside the gears, the gear cover is fixedly connected to the bottom of the paint tank, the motor is installed at the bottom of the gear cover and the motor output shaft is fixedly connected to the gears.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with a disperser, which can evenly disperse the paint entering the paint tank, so that the paint is dispersed to every corner of the paint tank, and can achieve dispersion and mixing of different types of paint raw materials, and then the paint can be evenly mixed after physical stirring. The utility model can pre-disperse and mix the raw materials through structural design, so that the paint mixing effect is good and the mixing time is short.

[0013] 2. The utility model sets double stirring shafts, which drive the movable stirring rods to rotate so that the paint can be stirred more evenly. The fixed stirring rod on the inner wall of the paint tank and the movable stirring rod on the double stirring shafts are combined with each other to assist stirring, so that the stirring can be more thorough.

[0014] 3. The utility model provides a barrel with capacity scale lines, which makes it convenient for personnel to check the amount of coating added, and facilitates processing personnel to grasp the addition ratio of each coating, so that the processing quality of lost foam casting coating is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the internal structure of a coating adding device for lost foam casting.

[0016] Figure 2 An overall appearance diagram of a lost foam casting coating adding equipment.

[0017] Figure 3Adding equipment for a lost foam casting coating Figure 1 Overall top view of the diffuser.

[0018] 1. Paint tank; 2. Support legs; 3. First stirring shaft; 4. Second stirring shaft; 5. Movable stirring rod; 6. Driving mechanism; 601. Gear; 602. Gear cover; 603. Motor; 7. Fixed stirring rod; 8. Disperser; 801. Fixed ring; 802. Connecting rod; 803. Cone; 9. Barrel; 10. Feed pipe; 11. Feed valve; 12. Capacity scale line; 13. Discharge pipe; 14. Discharge valve. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-2 In the embodiment of the utility model, a coating adding device for lost foam casting includes a coating tank 1, a first stirring shaft 3, a second stirring shaft 4 and a driving mechanism 6. Four legs 2 are installed at the bottom of the coating tank 1. The first stirring shaft 3 and the second stirring shaft 4 are arranged side by side in the coating tank 1. The first stirring shaft 3 and the second stirring shaft 4 pass through the bottom of the coating tank 1 and are rotatably connected to the coating tank 1 through a sealed bearing. Movable stirring rods 5 are installed on the first stirring shaft 3 and the second stirring shaft 4. The bottom ends of the first stirring shaft 3 and the second stirring shaft 4 are connected to the driving mechanism 6 installed at the bottom of the coating tank 1. The driving mechanism 6 is driven by the first stirring shaft 3 and the second stirring shaft 4. The mechanism 6 includes a gear 601, a gear cover 602 and a motor 603. The gear 601 is installed at the bottom of the first stirring shaft 3 and the second stirring shaft 4, and the two gears 601 are meshed with each other. A gear cover 602 is arranged outside the gear 601, and the gear cover 602 is fixedly connected to the bottom of the paint tank 1. The motor 603 is installed at the bottom of the gear cover 602 and the output shaft of the motor 603 is fixedly connected to the gear 601. A fixed stirring rod 7 is installed on the side wall of the paint tank 1, which is staggered with the movable stirring rod 5. Compared with the single stirring shaft, the design of the double stirring shaft can make the paint stirring more uniform and the stirring effect better.

[0021] See also Figure 1 and Figure 3A disperser 8 is installed above the first stirring shaft 3 and the second stirring shaft 4 inside the paint tank 1. The disperser 8 includes a fixing ring 801, a connecting rod 802 and a cone 803. The fixing ring 801 is fixed on the inner wall of the paint tank 1. The cone 803 is arranged in the middle of the fixing ring 801. The cone 803 is fixedly connected to the fixing ring 801 by the connecting rod 802. The disperser 8 can evenly disperse the paint entering the paint tank 1, so that the paint is dispersed to every corner of the paint tank 1, and different types of paint raw materials can be dispersed and mixed.

[0022] See also Figure 1-2 A barrel 9 is installed in the middle of the top of the paint tank 1, and a capacity scale line 12 is set on the outer wall of the barrel 9. The setting of the capacity scale line 12 can facilitate personnel to observe the remaining material amount in the barrel 9, and thus better help personnel to control the feeding ratio. A feed pipe 10 is installed at the bottom of the barrel 9, and a feed valve 11 is installed on the feed pipe 10. A discharge pipe 13 is installed on one side of the bottom of the paint tank 1, and a discharge valve 14 is installed on the discharge pipe 13.

[0023] The working principle of the utility model is:

[0024] When in use, first add the raw materials for manufacturing the lost foam casting coating into the barrel 9, then open the feed valve 11, so that the raw materials enter the coating tank 1 from the feed pipe 10, and the coating directly falls on the disperser 8 after entering the coating tank 1, and the raw materials roll to the surroundings from the top of the cone 803 in the disperser 8, and are evenly dispersed to various places in the coating tank 1, and then other raw materials are added to the coating tank 1 in the above manner, and the motor 603 is turned on. The motor 603 drives the first stirring shaft 3 and the second stirring shaft 4 to rotate in the same direction through the mutual engagement of two gears 601, and the movable stirring rods 5 on the first stirring shaft 3 and the second stirring shaft 4 cooperate with the fixed stirring rod 7 installed on the inner wall of the coating tank 1 to stir the raw materials, and after stirring, they are discharged through the discharge pipe 13.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coating adding device for lost foam casting, comprising a coating tank (1), a first stirring shaft (3), a second stirring shaft (4) and a driving mechanism (6), characterized in that: Four legs (2) are installed at the bottom of the coating tank (1), and a first stirring shaft (3) and a second stirring shaft (4) are arranged side by side in the coating tank (1). The first stirring shaft (3) and the second stirring shaft (4) pass through the bottom of the coating tank (1) and are rotatably connected to the coating tank (1) through a sealed bearing. A movable stirring rod (5) is installed on the first stirring shaft (3) and the second stirring shaft (4). The bottom ends of the first stirring shaft (3) and the second stirring shaft (4) are connected to a driving mechanism (6) installed at the bottom of the coating tank (1). A fixed stirring rod (7) is installed on the side wall of the coating tank (1) and is staggered with the movable stirring rod (5). A disperser (8) is installed above the first stirring shaft (3) and the second stirring shaft (4) inside the coating tank (1), and a barrel (9) is installed in the middle of the top of the coating tank (1).

2. The lost foam casting coating adding device according to claim 1, characterized in that: The disperser (8) comprises a fixing ring (801), a connecting rod (802) and a cone (803); the fixing ring (801) is fixed on the inner wall of the paint tank (1); a cone (803) is arranged in the middle of the fixing ring (801); and the cone (803) is fixedly connected to the fixing ring (801) via the connecting rod (802).

3. The lost foam casting coating adding device according to claim 1, characterized in that: The outer wall of the barrel (9) is provided with a capacity scale line (12), a feed pipe (10) is installed at the bottom of the barrel (9), and a feed valve (11) is installed on the feed pipe (10).

4. The lost foam casting coating adding device according to claim 1, characterized in that: A discharge pipe (13) is installed on one side of the bottom of the coating tank (1), and a discharge valve (14) is installed on the discharge pipe (13).

5. The lost foam casting coating adding device according to claim 1, characterized in that: The driving mechanism (6) comprises a gear (601), a gear cover (602) and a motor (603); the gear (601) is mounted at the bottom ends of the first stirring shaft (3) and the second stirring shaft (4), and the two gears (601) are meshed with each other; a gear cover (602) is arranged outside the gear (601), and the gear cover (602) is fixedly connected to the bottom of the coating tank (1); the motor (603) is mounted at the bottom of the gear cover (602), and the output shaft of the motor (603) is fixedly connected to the gear (601).