Sand mixer for shell casting

Abstract

The utility model discloses a sand mixer for casing casting, which relates to the technical field of sand mixers, solves the technical problem that raw materials cannot be uniformly rolled and mixed in the prior art, and comprises a main base, a fixing sleeve is fixedly mounted on the upper wall surface of the main base, and a turntable is rotatably mounted in the fixing sleeve. A sand mixing box is fixedly installed on the rotating disc, a stirring structure is installed in the sand mixing box, an auxiliary discharging structure is installed at one end of the sand mixing box, and a rolling driving structure is installed between the fixing sleeve and the rotating disc. According to the sand mixing device, raw materials in the sand mixing box can be evenly mixed and rolled, and it is ensured that the mixing effect is more even; the equipment is more stable and efficient during working, and the working efficiency and the production quality are improved; the equipment is provided with an access hole and a charging hole, so that an operator can conveniently maintain and charge the equipment, and the use convenience of the equipment is improved; and the quality stability of the sand raw material of the casting mold can be improved, so that the qualification rate of cast products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand mixers, and particularly relates to a sand mixer for shell casting. Background Art

[0002] In the technical field related to the utility model, a sand mixer for casting is a device used in the casting process to mix sand, water, and other additives to produce molds. Its main function is to evenly mix various raw materials so that the casting mold can have good strength and density to ensure the quality of the casting product; the significance of the sand mixer for casting lies in that it can improve the efficiency and quality of casting production. Through the action of the sand mixer, raw materials can be quickly mixed, reducing the time and labor intensity of manual operation and improving production efficiency. At the same time, the sand mixer can ensure uniform mixing, making the quality of the casting mold more stable and reliable, thereby improving the qualified rate of casting products and reducing the rejection rate.

[0003] For example, a utility model with the name of a sand mixing device for casting machinery and the publication number of CN215544680U includes a sand mixing housing, a feeding chamber, a sand particle feeding hopper, a crushing chamber, a crushing assembly, a mixing chamber, an adhesive feeding hopper, a mixing assembly, a cleaning assembly, and a transmission assembly. The feeding chamber is arranged at the upper end of the sand mixing housing. The cross-section of the feeding chamber is funnel-shaped. The sand particle feeding hoppers are symmetrically arranged at both ends above the sand mixing housing. The lower ends of the sand particle feeding hoppers are connected to the top wall of the feeding chamber. The crushing chamber is arranged below the feeding chamber.

[0004] There is a technical problem in the prior art that the raw materials cannot be evenly tumbled and mixed. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the utility model provides a sand mixer for shell casting, which solves the technical problem that the raw materials in the prior art cannot be evenly tumbled and mixed.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A sand mixer for shell casting includes a main base. A fixed sleeve is fixedly installed on the upper wall surface of the main base. A turntable is rotatably installed in the fixed sleeve. A sand mixing box is fixedly installed on the turntable. A stirring structure is installed in the sand mixing box. An auxiliary discharging structure is installed at one end of the sand mixing box. A tumbling driving structure is installed between the fixed sleeve and the turntable.

[0007] Preferably, the sand mixing box is a cylindrical barrel. A feeding port is opened on the side wall surface of the sand mixing box. An inspection port is opened at one end of the sand mixing box. A discharging port is opened at the lower end of the side wall surface of the sand mixing box. An equipment cover is fixedly installed outside the sand mixing box.

[0008] Preferably, the stirring structure includes a stirring shaft. A shaft support is fixedly installed in the sand mixing box. One end of the stirring shaft is rotatably installed at one end of the sand mixing box, and the other end is rotatably installed in the shaft support. Stirring rods are fixedly installed on the stirring shaft, and a driving part is installed at one end of the stirring shaft.

[0009] Preferably, the driving part includes a stirring motor. The stirring motor is fixedly installed outside the sand mixing box. A driving pulley is fixedly installed at the driving end of the stirring motor. A driven pulley is fixedly installed at one end of the stirring shaft. A transmission belt is connected between the driving pulley and the driven pulley.

[0010] Preferably, the auxiliary discharging structure includes a discharging motor. The discharging motor is fixedly installed outside the sand mixing box. A convex groove is formed at one end of the side wall surface of the sand mixing box. A discharging rod is fixedly installed at the driving end of the discharging motor. The discharging rod is rotatably installed in the convex groove. Screw blades are fixedly installed on the discharging rod. An electromagnetic valve is fixedly installed outside the convex groove.

[0011] Preferably, the tumbling driving structure includes a support roller. The support roller is rotatably installed on the inner ring of the fixed sleeve. Meshing teeth are formed on the support roller. Meshing teeth are formed outside the turntable. The turntable is meshed and connected with the support roller. A tumbling motor is fixedly installed on the main base. A driving sprocket is fixedly installed at the driving end of the tumbling motor. A driven sprocket is fixedly installed at one end of one of the support rollers. A transmission chain is installed between the driving sprocket and the driven sprocket.

[0012] Beneficial effects

[0013] The utility model provides a sand mixer for shell casting. Through the turntable and the stirring structure in the sand mixing box, the raw materials in the sand mixing box can be evenly mixed and tumbled, ensuring a more uniform mixing effect. An auxiliary discharging structure and a tumbling driving structure are designed to make the equipment more stable and efficient during operation, improving work efficiency and production quality. The equipment is provided with a maintenance opening and a feeding opening, which facilitate the operation of maintenance and feeding by operators, improving the convenience of use of the equipment. By ensuring the uniform mixing and tumbling of raw materials, the quality stability of the sand material for casting molds can be improved, thereby increasing the qualified rate of casting products. Description of the drawings

[0014] Figure 1 It is a schematic diagram of the main sectional structure of the sand mixer for shell casting described in the utility model.

[0015] In the figure: 1, main base; 2, fixed sleeve; 3, turntable; 4, sand mixing box; 5, feeding port; 6, maintenance port; 7, discharging port; 8, equipment cover; 9, stirring shaft; 10, shaft support; 11, stirring rod; 12, stirring motor; 13, driving pulley; 14, driven pulley; 15, transmission belt; 16, discharging motor; 17, discharging rod; 18, auger blade; 19, solenoid valve; 20, support roller; 21, tumbling motor; 22, driving sprocket; 23, driven sprocket; 24, transmission chain; Detailed implementation manners

[0016] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The detailed description is as follows.

[0017] Please refer to Figure 1 , the present utility model provides a technical solution: a sand mixer for shell casting, including a main base 1, a fixed sleeve 2 is fixedly installed on the upper wall surface of the main base 1, a turntable 3 is rotatably installed in the fixed sleeve 2, a sand mixing box 4 is fixedly installed on the turntable 3, a stirring structure is installed in the sand mixing box 4, an auxiliary discharging structure is installed at one end of the sand mixing box 4, and a tumbling driving structure is installed between the fixed sleeve 2 and the turntable 3.

[0018] In this embodiment, it is further set that the sand mixing box 4 is a cylindrical barrel, a feeding port 5 is opened on the side wall surface of the sand mixing box 4, a maintenance port 6 is opened at one end of the sand mixing box 4, a discharging port 7 is opened at the lower end of the side wall surface of the sand mixing box 4, and an equipment cover 8 is fixedly installed outside the sand mixing box 4.

[0019] In this embodiment, it is further set that the stirring structure includes a stirring shaft 9, a shaft support 10 is fixedly installed in the sand mixing box 4, one end of the stirring shaft 9 is rotatably installed at one end of the sand mixing box 4 and the other end is rotatably installed in the shaft support 10, stirring rods 11 are fixedly installed on the stirring shaft 9, and a driving part is installed at one end of the stirring shaft 9.

[0020] Preferably, the driving part includes a stirring motor 12, the stirring motor 12 is fixedly installed outside the sand mixing box 4, a driving pulley 13 is fixedly installed at the driving end of the stirring motor 12, a driven pulley 14 is fixedly installed at one end of the stirring shaft 9, and a transmission belt 15 is connected between the driving pulley 13 and the driven pulley 14.

[0021] In this embodiment, it is further set that the auxiliary discharging structure includes a discharging motor 16, which is fixedly installed outside the sand mixing box 4. One end of the side wall surface of the sand mixing box 4 is provided with a convex groove. The driving end of the discharging motor 16 is fixedly installed with a discharging rod 17, and the discharging rod 17 is rotatably installed in the convex groove. A screw blade 18 is fixedly installed on the discharging rod 17, and a solenoid valve 19 is fixedly installed outside the convex groove.

[0022] In this embodiment, it is further set that the tumbling driving structure includes a support roller 20, which is rotatably installed in the inner ring of the fixed sleeve 2. The support roller 20 is provided with meshing teeth, and the outside of the turntable 3 is provided with meshing teeth. The turntable 3 is meshed and connected with the support roller 20. A tumbling motor 21 is fixedly installed on the main base 1, and the driving end of the tumbling motor 21 is fixedly installed with a driving sprocket 22. One end of one of the support rollers 20 is fixedly installed with a driven sprocket 23, and a transmission chain 24 is installed between the driving sprocket 22 and the driven sprocket 23.

[0023] The detailed connection means are well-known techniques in the art; as Figure 1 shown, preparation work: Place the sand mixer on a stable ground, and connect the power supply and other necessary equipment; Open the feeding port 5 of the equipment, and gradually add the raw materials to be mixed into the sand mixing box 4; Start the stirring motor 12 and the tumbling motor 21 to make the stirring structure and the tumbling driving structure start to work. Drive the driving pulley 13 to rotate through the driving end of the stirring motor 12. The driving pulley 13 drives the driven pulley 14 to rotate through the transmission belt 15, and then drives the stirring shaft 9 to rotate, thereby stirring the raw materials. Drive the driving sprocket 22 to rotate through the driving end of the tumbling motor 21, drive the driven sprocket 23 to rotate through the transmission chain 24, and then drive the support roller 20 to rotate. Drive the sand mixing box 4 to rotate through the support roller 20 to complete tumbling; The stirring structure starts to evenly mix the raw materials, and the tumbling driving structure makes the raw materials in the sand mixing box 4 tumble and mix; During the use process, monitor the operating state of the sand mixer in a timely manner to ensure the normal operation of the equipment; When the mixing is completed, open the discharging port 7, and use the discharging motor 16 to drive the discharging rod 17 for discharging operation; After the sand mixer is used up, turn off the equipment, clean the inside and outside of the equipment, and perform maintenance on the equipment.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0025] The above are only the preferred embodiments of the present invention and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments of equivalent changes within the scope of the technical solution of the present invention by using the above-disclosed technical content. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A sand mixer for shell casting, comprising a main base (1), characterized in that: A fixed sleeve (2) is fixedly mounted on the upper wall of the main base (1), a turntable (3) is rotatably mounted inside the fixed sleeve (2), a sand mixing box (4) is fixedly mounted on the turntable (3), a stirring structure is mounted inside the sand mixing box (4), an auxiliary material discharge structure is mounted at one end of the sand mixing box (4), and a tumbling drive structure is mounted between the fixed sleeve (2) and the turntable (3).

2. A sand mixer for shell casting according to claim 1, characterized in that The sand mixing box (4) is a cylindrical body, a feeding port (5) is provided on the side wall of the sand mixing box (4), a maintenance port (6) is provided at one end of the sand mixing box (4), a discharge port (7) is provided at the lower end of the side wall of the sand mixing box (4), and an equipment cover (8) is fixedly installed outside the sand mixing box (4).

3. A sand mixer for shell casting according to claim 1, characterized in that The stirring structure comprises a stirring shaft (9), a shaft bracket (10) is fixedly installed in the sand mixing box (4), one end of the stirring shaft (9) is rotatably installed at one end of the sand mixing box (4) and the other end is rotatably installed in the shaft bracket (10), a stirring rod (11) is fixedly installed on the stirring shaft (9), and a driving part is installed at one end of the stirring shaft (9).

4. A sand mixer for shell casting according to claim 3, characterized in that The driving unit comprises a stirring motor (12), the stirring motor (12) is fixedly mounted outside the sand mixing box (4), a driving pulley (13) is fixedly mounted on the driving end of the stirring motor (12), a driven pulley (14) is fixedly mounted on one end of the stirring shaft (9), and a transmission belt (15) is connected between the driving pulley (13) and the driven pulley (14).

5. A sand mixer for shell casting according to claim 1, characterized in that The auxiliary discharge structure comprises a discharge motor (16), the discharge motor (16) is fixedly mounted outside the sand mixing box (4), a convex groove is provided at one end of the side wall of the sand mixing box (4), a discharge rod (17) is fixedly mounted at the driving end of the discharge motor (16), the discharge rod (17) is rotatably mounted in the convex groove, an auger blade (18) is fixedly mounted on the discharge rod (17), and a solenoid valve (19) is fixedly mounted outside the convex groove.

6. A sand mixer for shell casting according to claim 1, characterized in that The rolling drive structure comprises a support roller (20), the support roller (20) is rotatably mounted on the inner ring of the fixed sleeve (2), the support roller (20) is provided with meshing teeth, the outer surface of the turntable (3) is provided with meshing teeth, the turntable (3) is meshingly connected with the support roller (20), a rolling motor (21) is fixedly mounted on the main base (1), a driving sprocket (22) is fixedly mounted on the driving end of the rolling motor (21), one end of one of the support rollers (20) is fixedly mounted with a driven sprocket (23), and a transmission chain (24) is installed between the driving sprocket (22) and the driven sprocket (23).

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