Casting processing sand mixer
By introducing a crushing and circulating mixing mechanism into the sand mixer, the problems of incomplete crushing and uneven mixing in the existing technology are solved, and a more efficient crushing and mixing effect is achieved.
Patent Information
- Application Number
- CN202423048722.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing sand mixers only perform one crushing operation, resulting in poor crushing effect and dead zones that lead to poor mixing.
It employs a crushing mechanism and a circulating mixing mechanism, including a motor, rotating shaft, crushing roller, guide block, stirring rod, etc., to achieve multiple crushing and circulating mixing, avoiding material accumulation in dead corners.
It improves the crushing and mixing effect, ensures that the raw materials are fully mixed, avoids material accumulation in dead corners, and enhances the practicality of the sand mixer.
Smart Images

Figure CN223588272U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foundry processing technical field, concretely is a kind of foundry processing sand mixer. BACKGROUND
[0002] Sand casting is a casting method for producing castings in sand molds, and steel, iron and most non-ferrous alloy castings can be obtained by sand casting method, and casting sand is a relatively important component in casting processing, and the sand mixer is a sand treatment equipment widely used in foundry industry, which uniformly mixes each component in the molding sand and effectively coats the binder on the surface of the sand particles.
[0003] After searching, the utility model patent with Chinese patent publication (announcement) No. CN216780226U discloses a sand mixer for foundry processing, which is roughly described as including a sand mixing box, two crushing rollers are arranged on the upper side of the inside of the sand mixing box, and a transmission rod is fixedly inserted into the roller end of each crushing roller. When in use, the caked raw materials and the raw materials with large particle size are quickly re-crushed, which is beneficial to subsequent rapid and uniform mixing, improves the mixing effect, and improves the convenience and thoroughness of discharging. However, the above-mentioned device still has some shortcomings, such as the above-mentioned device only crushes the raw materials once by two crushing rollers, which is not convenient for multiple crushing, the crushing effect is not very good, the crushing effect is poor, and there are dead angles in the sand mixing box when the raw materials are stirred, which can easily lead to unsatisfactory mixing effect and poor mixing effect. Therefore, we propose a foundry processing sand mixer. UTILITY MODEL CONTENT
[0004] (I) Technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a foundry processing sand mixer to solve the problem of the prior art that only crushes the raw materials once by two crushing rollers, which is not convenient for multiple crushing, the crushing effect is not very good, and the crushing effect is poor, and there are dead angles in the sand mixing box when the raw materials are stirred, which can easily lead to unsatisfactory mixing effect and poor mixing effect.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a foundry processing sand mixer, comprising:
[0008] A box body is provided with a feeding hopper;
[0009] A crushing mechanism is arranged on the box body for crushing the raw materials;
[0010] The circulating mixing mechanism is arranged on the box body, and comprises a flow guide block, a mounting plate and a feeding cylinder, the flow guide block is fixedly connected in the box body, a flow guide groove is formed in the flow guide block, the mounting plate is fixedly connected on the box body, the feeding cylinder is mounted on the box body, the feeding cylinder is communicated with the box body through an opening, the mounting plate is provided with a motor one, a fixed shaft is fixedly connected to the output end of the motor one, the fixed shaft penetrates into the box body and is fixedly connected with a plurality of stirring rods, the feeding cylinder is communicated with a feeding pipe, the feeding pipe is communicated with the feeding hopper, a spiral feeding shaft is rotatably connected in the feeding cylinder, the feeding cylinder is provided with a motor two, the output end of the motor two penetrates into the feeding cylinder and is fixedly connected with the spiral feeding shaft, a discharging plate is rotatably connected to the feeding cylinder, and a buckle lock is arranged between the discharging plate and the feeding cylinder, so that the raw materials are circulated and the mixing effect is improved.
[0011] Preferably, the crushing mechanism comprises a motor three and two rotating shafts, the motor three is mounted on the box body, the two rotating shafts are rotatably connected in the box body, a crushing roller is fixedly sleeved on the rotating shaft, the output end of the motor three penetrates into the box body and is fixedly connected with the rotating shaft, one end of the two rotating shafts penetrates out of the box body and is fixedly sleeved with a gear, and the two gears are engaged, so that the raw materials are crushed.
[0012] Further, a plurality of connecting rods are fixedly connected to the fixed shaft, two of the connecting rods are a group, and scraping plates are fixedly connected to the two connecting rods.
[0013] Still further, a cover plate is rotatably connected to the feeding hopper, and a handle is fixedly connected to the cover plate.
[0014] Still further, the box body is provided with a protective cover.
[0015] On the basis of the foregoing scheme, a stabilizing block is rotatably connected to the fixed shaft, and the stabilizing block is fixedly connected with the box body.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the casting processing sand mixer has the following beneficial effects:
[0018] The casting processing sand mixing machine, through the cooperation of motor three, two gears, two crushing rollers and the like, is convenient for crushing the raw materials, through the cooperation of the flow guide block and the flow guide groove, is convenient for guiding the raw materials, avoids the raw materials from being accumulated in the dead angle, is convenient for motor one to drive the fixed shaft, the stirring rod and the like to stir and mix the raw materials, is convenient for motor two, the feeding cylinder, the spiral feeding shaft and the like to cooperate, and the raw materials are sent into the feeding hopper again, is convenient for crushing the raw materials again, is convenient for stirring and mixing and circulating crushing, improves the crushing and mixing effect, and improves the practicability. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0020] Figure 2 It is a three-dimensional structural schematic diagram of the utility model partially cut away;
[0021] Figure 3 It is a three-dimensional structural schematic diagram of the utility model further partially cut away;
[0022] Figure 4 It is a three-dimensional structural schematic diagram of the utility model stirring rod, scraper and the like cooperation.
[0023] In the drawing: 1, box body; 2, feeding hopper; 3, flow guide block; 4, mounting plate; 5, feeding cylinder; 6, flow guide groove; 7, motor one; 8, fixed shaft; 9, stirring rod; 10, feeding pipe; 11, spiral feeding shaft; 12, motor two; 13, discharge plate; 14, motor three; 15, rotating shaft; 16, crushing roller; 17, gear; 18, scraper; 19, cover plate; 20, protective cover; 21, stabilizing block. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] EMBODIMENT
[0026] Please refer to Figures 1-4 The utility model provides the following technical scheme: a casting processing sand mixing machine, comprising:
[0027] Box body 1, the box body 1 is connected with feeding hopper 2;
[0028] The crushing mechanism is arranged on the box body 1, and comprises a third motor 14 and two rotating shafts 15. The third motor 14 is arranged on the box body 1, and the two rotating shafts 15 are rotatably connected in the box body 1. A crushing roller 16 is fixedly arranged on the rotating shaft 15. The output end of the third motor 14 penetrates into the box body 1 and is fixedly connected with the rotating shaft 15. One end of each of the two rotating shafts 15 penetrates out of the box body 1 and is fixedly arranged with a gear 17. The two gears 17 are engaged with each other. The third motor 14 is used for providing power. The two gears 17 are used for driving the two crushing rollers 16 to rotate. The two crushing rollers 16 are used for crushing raw materials.
[0029] The circulating mixing mechanism is arranged on the box body 1, and comprises a guide block 3, a mounting plate 4 and a feeding cylinder 5. The guide block 3 is fixedly connected in the box body 1. A guide groove 6 is arranged on the guide block 3. The mounting plate 4 is fixedly connected on the box body 1. The feeding cylinder 5 is arranged on the box body 1 and is in communication with the box body 1 through an opening. A first motor 7 is arranged on the mounting plate 4. A fixed shaft 8 is fixedly connected with the output end of the first motor 7. The fixed shaft 8 penetrates into the box body 1 and is fixedly connected with a plurality of stirring rods 9. A feeding pipe 10 is in communication with the feeding cylinder 5 and is in communication with the feeding hopper 2. A spiral feeding shaft 11 is rotatably connected in the feeding cylinder 5. A second motor 12 is arranged on the feeding cylinder 5. The output end of the second motor 12 penetrates into the feeding cylinder 5 and is fixedly connected with the spiral feeding shaft 11. A discharging plate 13 is rotatably connected on the feeding cylinder 5. A hasp lock is arranged between the discharging plate 13 and the feeding cylinder 5. The spiral feeding shaft 11, the feeding pipe 10 and the like are used for circulating the raw materials. In this way, the circulating crushing of the raw materials can be realized, and the mixing effect can be improved. The guide block 3 and the guide groove 6 are used for guiding the raw materials. The first motor 7, the fixed shaft 8 and the stirring rods 9 and the like are used for stirring and mixing the raw materials.
[0030] A plurality of connecting rods are fixedly connected with the fixed shaft 8. The connecting rods are arranged in pairs. Scrapers 18 are fixedly connected with the two connecting rods. The scrapers 18 are used for lifting the raw materials, improving the mixing effect and facilitating the cleaning of the guide groove 6 and avoiding the stagnation of the raw materials.
[0031] A cover plate 19 is rotatably connected with the feeding hopper 2. A handle is fixedly connected with the cover plate 19. The cover plate 19 is used for shielding the feeding hopper 2, avoiding the generation of a large amount of dust during the use of the device and protecting the workers.
[0032] A protective cover 20 is arranged on the box body 1 and is used for protecting the workers and the gears 17.
[0033] A stabilizing block 21 is rotatably connected with the fixed shaft 8. The stabilizing block 21 is fixedly connected with the box body 1 and is used for improving the stability of the fixed shaft 8.
[0034] It needs to be further explained that the motor one 7, the motor two 12 and the motor three 14 in the embodiment are conventional devices known to those skilled in the art purchased on the market, and the model can be selected or customized according to actual needs. We only use them in this patent, and do not improve their structure and function. The setting method, installation method and electrical connection method can be debugged according to the requirements of the instruction manual for those skilled in the art, and will not be described here. The motor one 7, the motor two 12 and the motor three 14 are provided with a control switch matched therewith. The installation position of the control switch is selected according to the actual use requirement, and the operator can operate and control it.
[0035] In summary, the working principle and working process of the casting processing sand mixing machine are as follows: in use, first, place the casting processing sand mixing machine at the desired location, then start the motor one 7, the motor two 12 and the motor three 14, open the cover plate 19, add the raw materials into the feeding hopper 2, the raw materials will fall on the crushing roller 16, the motor three 14 will cooperate with the shaft 15, the gear 17 and the like to drive the two crushing rods to rotate relatively, so as to facilitate the crushing of the raw materials, then the raw materials fall on the flow guide block 3, because the flow guide block 3 and the flow guide groove 6 are inclined, the raw materials will first enter the flow guide groove 6, at this time the motor one 7 will drive the fixed shaft 8, the stirring rod 9, the scraper 18 and the like to rotate, so as to facilitate the mixing of the raw materials. If the raw materials are all added into the box 1, the cover plate 19 can be closed at this time to avoid the dust generated by crushing and mixing from floating out of the feeding hopper 2, effectively protecting the environment and the workers, then the motor two 12 will drive the spiral feeding shaft 11 to rotate, the spiral feeding shaft 11 cooperates with the feeding cylinder 5 to facilitate the conveying of the raw materials into the feeding pipe 10, then the feeding pipe 10 is inclined, the raw materials in the feeding pipe 10 will enter the feeding hopper 2 again, so as to be crushed and mixed again, realizing the cycle crushing and mixing and improving the crushing and mixing effect. After mixing, the people open the hasp lock and the discharge plate 13, at this time the motor two 12 drives the spiral feeding shaft 11 to rotate slowly, so that the spiral feeding shaft 11 will not feed the raw materials into the feeding pipe 10, then the spiral feeding shaft 11 will discharge the mixed raw materials, at this time the motor one 7, the scraper 18 and the stirring rod 9 rotate to facilitate the flow speed of the raw materials and facilitate better discharge.
[0036] The above embodiment only expresses the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application.
Claims
1. A casting sand mixer, characterized in that, include: A housing (1) is connected to a feed hopper (2); A crushing mechanism is provided on the housing (1) for crushing raw materials; A circulating mixing mechanism is installed on a housing (1). The circulating mixing mechanism includes a guide block (3), a mounting plate (4), and a feeding cylinder (5). The guide block (3) is fixedly connected inside the housing (1) and has a guide groove (6). The mounting plate (4) is fixedly connected to the housing (1). The feeding cylinder (5) is installed on the housing (1) and is connected to the housing (1) through an opening. A motor (7) is installed on the mounting plate (4), and a fixed shaft (8) is fixedly connected to the output end of the motor (7). The fixed shaft (8) passes through the box body (1) and is fixedly connected to multiple stirring rods (9). The feeding cylinder (5) is connected to the feeding pipe (10), which is connected to the feeding hopper (2). The feeding cylinder (5) is rotatably connected to the spiral feeding shaft (11). The feeding cylinder (5) is equipped with a second motor (12). The output end of the second motor (12) passes through the feeding cylinder (5) and is fixedly connected to the spiral feeding shaft (11). The feeding cylinder (5) is rotatably connected to the discharge plate (13), and a latch lock is installed between the discharge plate (13) and the feeding cylinder (5).
2. The casting processing sand mixer according to claim 1, characterized in that: The crushing mechanism includes a motor (14) and two rotating shafts (15). The motor (14) is mounted on the housing (1). The two rotating shafts (15) are rotatably connected inside the housing (1). Crushing rollers (16) are fixedly sleeved on the rotating shafts (15). The output end of the motor (14) passes through the housing (1) and is fixedly connected to the rotating shafts (15). One end of each of the two rotating shafts (15) passes through the housing (1) and is fixedly sleeved with gears (17). The two gears (17) mesh with each other.
3. A casting processing sand mixer according to claim 2, characterized in that: Multiple connecting rods are fixedly connected to the fixed shaft (8), and the multiple connecting rods are in pairs. Scrapers (18) are fixedly connected to two of the connecting rods.
4. A casting processing sand mixer according to claim 3, characterized in that: A cover plate (19) is rotatably connected to the feed hopper (2), and a handle is fixedly connected to the cover plate (19).
5. A casting processing sand mixer according to claim 4, characterized in that: A protective cover (20) is provided on the box (1).
6. A casting sand mixer according to claim 5, characterized in that: A stabilizing block (21) is rotatably connected to the fixed shaft (8), and the stabilizing block (21) is fixedly connected to the housing (1).
Citation Information
Patent Citations
Sand mixer for casting processing
CN216780226U