Sand mixer for cast iron pan production

Abstract

The utility model relates to the technical field of cast iron pan production, in particular to a sand mixer for cast iron pan production, which comprises a supporting mechanism, the supporting mechanism comprises a sand mixing box, a support is fixed at the lower end of the sand mixing box, a box cover is mounted at the upper end of the sand mixing box, a feeding hopper is arranged at the upper position of the outer wall of the sand mixing box, and a discharging hopper is arranged at the edge position of the bottom of the sand mixing box. A sand mixing mechanism used for mixing added sand is arranged in the sand mixing box, and a discharging mechanism used for discharging the mixed sand is arranged on the outer wall of the sand mixing box. A central shaft of a sand mixing mechanism transmits power through a gear to drive a first stirring assembly and a second stirring assembly on a supporting box to rotate along with the central shaft and rotate, so that a grinding roller and a stirring rod of the first stirring assembly longitudinally turn over sand raw materials in a sand mixing box; and stirring blades of the second stirring assembly transversely stir the sand raw materials in the sand mixing box, so that the mixing efficiency of the sand raw materials is improved, and the mixing effect of the sand raw materials is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cast iron pan production, in particular to a sand mixer for cast iron pan production. Background Art

[0002] Sand casting refers to a casting method in which molding sand is compacted into a mold and gravity casting is used. In sand casting, sands of different particle sizes for casting and necessary binders need to be evenly mixed together, and a sand mixer is required for mixing in this process; however, the existing sand mixer only stirs the sand particles through single mixing and stirring, and its mixing effect is not good, which affects the quality of casting sand. Content of the Utility Model

[0003] The purpose of the utility model is to provide a sand mixer for cast iron pan production to solve the above problems.

[0004] The utility model realizes the above purpose through the following technical solutions:

[0005] A sand mixer for cast iron pan production includes a support mechanism. The support mechanism includes a sand mixing box. A bracket is fixed at the lower end of the sand mixing box, and a box cover is installed at the upper end of the sand mixing box. A feeding hopper is arranged at a position on the outer wall of the sand mixing box close to the upper part, and a discharging hopper is arranged at the bottom edge position of the sand mixing box. A sand mixing mechanism for mixing the added sand materials is arranged in the sand mixing box, and a discharging mechanism for discharging the sand mixing materials is arranged on the outer wall of the sand mixing box. The sand mixing mechanism includes a central shaft vertically arranged in the sand mixing box. The lower end of the central shaft is connected with a power source, and a support box is fixed at the upper end of the central shaft. The support box is in the shape of a cross beam. A main gear is fixed in the support box on the upper side of the central shaft. The support box is provided with a first stirring component for longitudinally stirring the sand materials and a second stirring component for transversely stirring the sand materials. There are two sets of the first stirring component and the second stirring component respectively arranged oppositely. The first stirring component includes a first support shaft. One end of the first support shaft is fixed with a rolling roller, and stirring rods are arranged on the end face of the rolling roller. A first gear is installed on the first support shaft near the main gear. The second stirring component includes a second support shaft. A second gear and a third gear are respectively installed at two side positions on the second support shaft. A fourth gear is arranged below the third gear, and the lower end of the fourth gear is connected with a stirring shaft. The lower end of the stirring shaft passes through the support box and is fixed with a stirring blade.

[0006] Further setting: The central shaft is rotationally connected with the sand mixing box, and the first support shaft, the second support shaft and the stirring shaft are rotationally connected with the support box.

[0007] Further setting: The main gear meshes and rotates with the first gear and the second gear, and the third gear meshes and rotates with the fourth gear.

[0008] Further setting: The stirring blade contacts the bottom of the sand mixing box, and the stirring rods are circumferentially distributed on the rolling roller.

[0009] Further settings: The discharging mechanism includes a mounting seat fixed on the sand mixing box. A rotating rod is rotatably connected to the mounting seat. A handle is mounted on the rotating rod. A baffle is fixed to the lower end of the rotating rod. An outlet is formed at the bottom of the sand mixing box, and a limiting seat is arranged below the outlet.

[0010] Further settings: The baffle is slidably connected to the limiting seat, and the upper end face of the baffle is flush with the bottom of the sand mixing box.

[0011] Further settings: A cross-shaped scraper is arranged at the lower end of the box cover, and the lower end face of the scraper is tangent to the upper end face of the rolling roller.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] Through the central shaft of the sand mixing mechanism transmitting power through gears to drive the first stirring assembly and the second stirring assembly on the support box to rotate themselves while rotating with the central shaft, the rolling roller and the stirring rod of the first stirring assembly longitudinally turn the sand raw materials in the sand mixing box, and the stirring blades of the second stirring assembly transversely stir the sand raw materials in the sand mixing box, accelerating the mixing efficiency of the sand raw materials and improving the mixing effect on the sand raw materials. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 is an axonometric view of a sand mixer for producing cast iron pans according to the present utility model;

[0016] Figure 2 is a schematic structural diagram of a sand mixer for producing cast iron pans according to the present utility model in a disassembled state;

[0017] Figure 3 is a schematic structural diagram of a sand mixer for producing cast iron pans according to the present utility model from another perspective;

[0018] Figure 4 is a partial structural diagram of the sand mixing mechanism of a sand mixer for producing cast iron pans according to the present utility model.

[0019] The reference numerals are explained as follows:

[0020] 1. Support mechanism; 11. Sand mixing box; 12. Bracket; 13. Box cover; 14. Scraper; 2. Sand mixing mechanism; 21. Central shaft; 22. Gearbox; 23. Motor; 24. Support box; 25. Main gear; 26. First support shaft; 27. Roller; 28. Stirring rod; 29. First gear; 210. Second support shaft; 211. Second gear; 212. Third gear; 213. Stirring shaft; 214. Stirring blade; 215. Fourth gear; 3. Feeding hopper; 4. Discharge hopper; 5. Discharging mechanism; 51. Mounting seat; 52. Rotating rod; 53. Handle; 54. Baffle; 55. Limit seat. Detailed implementation mode

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0022] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

[0023] The present invention will be further described below with reference to the drawings:

[0024] As Figures 1 - 4As shown in the figure, a sand mixer for cast iron pot production includes a support mechanism 1. The support mechanism 1 includes a sand mixing box 11. A bracket 12 is fixed to the lower end of the sand mixing box 11. A box cover 13 is installed at the upper end of the sand mixing box 11. A feeding hopper 3 is arranged at a position above the outer wall of the sand mixing box 11. A discharge hopper 4 is arranged at the bottom edge position of the sand mixing box 11. A sand mixing mechanism 2 for mixing the added sand materials is arranged in the sand mixing box 11. A discharging mechanism 5 for discharging the mixed sand materials is arranged on the outer wall of the sand mixing box 11.

[0025] In this embodiment: The sand mixing mechanism 2 includes a central shaft 21 vertically arranged in the sand mixing box 11. The lower end of the central shaft 21 is connected to a gearbox 22. The input end of the gearbox 22 is connected to a motor 23. A support box 24 is fixed to the upper end of the central shaft 21. The support box 24 is in the shape of a cross beam. A main gear 25 is fixed inside the support box 24 on the upper side of the central shaft 21. A first stirring component for longitudinally stirring the sand materials and a second stirring component for transversely stirring the sand materials are arranged on the support box 24. There are two sets of the first stirring component and the second stirring component respectively arranged opposite to each other.

[0026] The first stirring component includes a first support shaft 26. A rolling roller 27 is fixed to one end of the first support shaft 26. Stirring rods 28 are arranged on the end face of the rolling roller 27. A first gear 29 is installed on the first support shaft 26 near the main gear 25. The second stirring component includes a second support shaft 210. Second gears 211 and third gears 212 are respectively installed at both sides of the second support shaft 210. A fourth gear 215 is arranged below the third gear 212. A stirring shaft 213 is connected to the lower end of the fourth gear 215. The lower end of the stirring shaft 213 passes through the support box 24 and is fixed with a stirring blade 214. The central shaft 21 is rotationally connected to the sand mixing box 11. The first support shaft 26, the second support shaft 210 and the stirring shaft 213 are rotationally connected to the support box 24. The main gear 25 meshes and rotates with the first gear 29 and the second gear 211. The third gear 212 meshes and rotates with the fourth gear 215. The stirring blade 214 contacts the bottom of the sand mixing box 11. The stirring rods 28 are circumferentially distributed on the rolling roller 27. A cross-shaped scraper 14 is arranged at the lower end of the box cover 13. The lower end face of the scraper 14 is tangent to the upper end face of the rolling roller 27, and is used to scrape off the raw materials adhered to the rolling roller 27. By the operation of the motor 23, power is transmitted to the central shaft 21 to rotate. The central shaft 21 drives the support box 24 and the main gear 25 to rotate. During the rotation of the main gear 25, it meshes and rotates with the first gear 29 and the second gear 211, driving the rolling roller 27 and the stirring rods 28 on the first support shaft 26 to rotate, longitudinally turning the sand raw materials in the sand mixing box 11. At the same time, the second gear 211 drives the second support shaft 210 to rotate. Through the meshing rotation of the third gear 212 and the fourth gear 215, the stirring blade 214 at the lower end of the stirring shaft 213 is driven to rotate, transversely stirring the sand raw materials in the sand mixing box 11, improving the mixing effect of the sand raw materials.

[0027] In this embodiment: The discharging mechanism 5 includes a mounting seat 51 fixed on the sand mixing box 11. A rotating rod 52 is rotatably connected to the mounting seat 51. A handle 53 is mounted on the rotating rod 52. A baffle 54 is fixed to the lower end of the rotating rod 52. An outlet is formed at the bottom of the sand mixing box 11, and a limiting seat 55 is arranged below the outlet; the baffle 54 is slidably connected to the limiting seat 55. The upper end surface of the baffle 54 is flush with the bottom of the sand mixing box 11. The limiting seat 55 limits and supports the baffle 54. When discharging is required, the rotating rod 52 is rotated through the handle 53 to make the baffle 54 rotate out of the sand mixing box 11, so that the sand mixture flows out.

[0028] The working principle and usage process of the present utility model: The sand raw material is poured into the sand mixing box 11 through the feeding hopper 3. The motor 23 works to transmit power to the central shaft 21 to rotate. The central shaft 21 drives the support box 24 and the main gear 25 to rotate. During the rotation of the main gear 25, it meshes with the first gear 29 and the second gear 211 to rotate, driving the rolling roller 27 and the stirring rod 28 on the first support shaft 26 to rotate, so as to longitudinally turn the sand raw material in the sand mixing box 11. At the same time, the second gear 211 drives the second support shaft 210 to rotate. After meshing and rotating with the third gear 212 and the fourth gear 215, it drives the stirring blade 214 at the lower end of the stirring shaft 213 to rotate, so as to laterally stir the sand raw material in the sand mixing box 11. After mixing, the rotating rod 52 is rotated through the handle 53 to make the baffle 54 at the lower end of the rotating rod 52 rotate out of the bottom of the sand mixing box 11, and the mixed sand material flows out through the discharge hopper 4.

[0029] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A sand mixer for cast iron pan production, comprising a support mechanism (1), the support mechanism (1) includes a sand mixing box (11), a bracket (12) is fixed at the lower end of the sand mixing box (11), a box cover (13) is installed at the upper end of the sand mixing box (11), a feeding hopper (3) is arranged at a position close to the upper part of the outer wall of the sand mixing box (11), and a discharging hopper (4) is arranged at the bottom edge position of the sand mixing box (11), characterized in that: A sand mixing box (11) is provided with a sand mixing mechanism (2) for mixing the added sand materials. An unloading mechanism (5) for discharging the mixed sand materials is arranged on the outer wall of the sand mixing box (11). The sand mixing mechanism (2) includes a central shaft (21) vertically arranged in the sand mixing box (11). The lower end of the central shaft (21) is connected to a power source. The upper end of the central shaft (21) is fixed with a support box (24). The support box (24) is in the shape of a cross beam. A main gear (25) is fixed in the support box (24) on the upper side of the central shaft (21). The support box (24) is provided with a first stirring component for longitudinally stirring the sand materials and a second stirring component for transversely stirring the sand materials. There are two sets of the first stirring component and the second stirring component respectively arranged oppositely. The first stirring component includes a first support shaft (26). One end of the first support shaft (26) is fixed with a rolling roller (27). Stirring rods (28) are arranged on the end face of the rolling roller (27). A first gear (29) is installed on the first support shaft (26) near the main gear (25). The second stirring component includes a second support shaft (210). Second gears (211) and third gears (212) are respectively installed at both side positions on the second support shaft (210). A fourth gear (215) is arranged below the third gear (212). The lower end of the fourth gear (215) is connected to a stirring shaft (213). The lower end of the stirring shaft (213) passes through the support box (24) and is fixed with a stirring blade (214).

2. The muller for producing cast iron pans according to claim 1, characterized in that: The central shaft (21) is rotationally connected to the sand mixing box (11), and the first support shaft (26), the second support shaft (210), and the stirring shaft (213) are rotationally connected to the support box (24).

3. The muller for producing cast iron pans according to claim 1, characterized in that: The main gear (25) meshes and rotates with the first gear (29) and the second gear (211), and the third gear (212) meshes and rotates with the fourth gear (215).

4. The muller for producing cast iron pans according to claim 1, characterized in that: The stirring blade (214) contacts the bottom of the sand mixing box (11), and the stirring rods (28) are circumferentially distributed on the rolling roller (27).

5. The sand mixer for producing cast iron pans according to claim 1, characterized in that: The unloading mechanism (5) includes a mounting seat (51) fixed on the sand mixing box (11). A rotating rod (52) is rotationally connected to the mounting seat (51). A handle (53) is installed on the rotating rod (52). A baffle (54) is fixed at the lower end of the rotating rod (52). An outlet is formed at the bottom of the sand mixing box (11), and a limiting seat (55) is arranged below the outlet.

6. The sand mixer for producing cast iron pans according to claim 5, characterized in that: The baffle (54) is slidably connected to the limiting seat (55), and the upper end face of the baffle (54) is flush with the bottom of the sand mixing box (11).

7. A muller for the production of cast iron pans according to claim 1, characterized in that: A cross-shaped scraper (14) is arranged at the lower end of the box cover (13), and the lower end face of the scraper (14) is tangent to the upper end face of the rolling roller (27).

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