Sand mixer for casting with adjustable discharge

Abstract

The utility model discloses a cast with sand mixing machine convenient to adjust the discharge flow, including sand machine body, sand mixing machine body bottom fixed connection has the discharge pipe, is used for discharging the material in sand mixing machine body, still include adjusting assembly, adjusting assembly includes the baffle, when the baffle is in the discharge pipe and adjusts the angle, makes the discharge pipe caliber increase or reduce, adjusting assembly includes the fixed link in the fixed link of discharge pipe, and the gear is rotatably connected on the fixed link, and the gear and baffle fixed connection, sand mixing machine body top wall has seted up first through slot, and the first through slot slidingly connects with the gear and engages transmission's toothed plate. The utility model discloses a set through adjusting assembly, can adjust the angle of baffle in the discharge pipe to make the discharge pipe caliber increase or reduce, and then conveniently adjusts according to the discharge demand, through setting the sliding block and extruding spring, when the impact is too big, and the baffle can make the sliding block on the toothed plate move in the recess through the gear.

Description

Technical Field

[0001] This utility model relates to the field of sand mixer technology, and in particular to a casting sand mixer with easily adjustable discharge flow rate. Background Technology

[0002] Sand mixers are mainly used for the preparation of molding sand. By uniformly mixing the components of the molding sand, they ensure that the binder effectively coats the surface of the sand particles, thereby meeting the requirements of the casting process. Its working principle utilizes the relative movement of the grinding wheel and the grinding disc to crush the material placed between them under the dual action of crushing and grinding, while simultaneously achieving material mixing.

[0003] However, existing sand mixers have some shortcomings in actual use. Most sand mixers lack the function of effectively adjusting the discharge pipe flow rate. In addition, when the discharge pipe is blocked, the blockage will gradually worsen and eventually lead to complete blockage. In this case, manual cleaning is required, which not only increases the workload of operators but also seriously affects the overall construction efficiency. Therefore, a casting sand mixer with easy-to-adjust discharge flow rate is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a casting sand mixer that facilitates adjustment of the discharge flow rate.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a casting sand mixer that facilitates adjustment of discharge flow rate, comprising a sand mixer body, wherein a discharge pipe is fixedly connected to the bottom end of the sand mixer body for discharging materials inside the sand mixer body; and further comprising an adjustment component, wherein the adjustment component includes a baffle plate, and when the baffle plate adjusts its angle within the discharge pipe, the diameter of the discharge pipe increases or decreases.

[0006] As a further description of the above technical solution: the adjusting component includes a fixed rod fixedly connected inside the discharge pipe, a gear rotatably connected to the fixed rod, and the gear and the baffle plate fixedly connected; a first through groove is opened on the top wall of the sand mixer body, a toothed plate that meshes with the gear is slidably connected in the first through groove, a support rod is fixedly connected to the top of the sand mixer body, a control plate is fixedly connected to the toothed plate, a second through groove adapted to the size of the support rod is opened on the control plate, multiple axially arranged notches are opened on the outer wall of the support rod, a limit groove is opened on the inner wall of the second through groove, a slider is elastically installed in the limit groove, the slider is inserted into the notch, the slider and the limit groove slide in a limited manner, and the limit groove is within the limit groove. A compression spring is installed to abut against the slider. During use, the position of the control plate is moved, which drives the toothed plate and gear to mesh, thereby adjusting the angle of the baffle plate and thus adjusting the diameter of the discharge pipe, which can be easily adjusted according to the discharge requirements. When material accumulates in the discharge pipe, the material being conveyed outward continues to fill the accumulated material, causing the baffle plate to be impacted. When the impact is too great, the baffle plate can move the slider on the toothed plate within the notch through the gear. Thus, under normal use, the slider can fix the angle of the baffle plate, and when the impact is too great, the slider can move, so as not to affect the baffle plate's flipping, thereby improving its service life.

[0007] As a further description of the above technical solution: the outer end of the slider is an arc-shaped structure, which is adapted to the size of the notch. The notch is also an arc-shaped structure. Since both the outer end of the slider and the notch are arc-shaped structures, when a large force is applied to the slider, it is convenient for it to slide into or out of the notch.

[0008] This utility model has the following beneficial effects: 1. Compared with the existing technology, this casting sand mixer is easy to adjust the discharge flow rate. By setting the adjustment component, the angle of the baffle plate in the discharge pipe can be adjusted, thereby increasing or decreasing the diameter of the discharge pipe, which can be easily adjusted according to the discharge requirements.

[0009] 2. Compared with the existing technology, this casting sand mixer with easy-to-adjust discharge flow rate, by setting a slider and a compression spring, when the impact is too large, the baffle plate can move the slider on the toothed plate in the recess through the gear. Thus, during normal use, the slider can fix the angle of the baffle plate, and when the impact is too large, the slider can move, so as not to affect the baffle plate to flip over, thereby preventing blockage and improving service life. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of a casting sand mixer that facilitates adjustment of the discharge flow rate, as proposed in this utility model. Figure 2 This is a schematic diagram of the adjustment component structure of a casting sand mixer that facilitates adjustment of the discharge flow rate, as proposed in this utility model. Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 for Figure 2 Enlarged structural diagram at point B.

[0011] Legend: 1. Sand mixer body; 2. Discharge pipe; 3. Baffle plate; 4. Fixing rod; 5. Gear; 6. First through groove; 7. Tooth plate; 8. Support rod; 9. Notch; 10. Limiting groove; 11. Compression spring; 12. Sliding block; 13. Arc structure; 14. Control panel; 15. Second through groove. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0013] Reference Figures 1-4 The present invention provides a casting sand mixer that is easy to adjust the discharge flow rate: it includes a sand mixer body 1, and a discharge pipe 2 is fixedly connected to the bottom end of the sand mixer body 1 for discharging the material in the sand mixer body 1; it also includes an adjustment component, which includes a baffle plate 3, and when the baffle plate 3 is adjusted at an angle in the discharge pipe 2, the diameter of the discharge pipe 2 is increased or decreased.

[0014] The adjusting assembly includes a fixed rod 4 fixedly connected inside the discharge pipe 2, a gear 5 rotatably connected to the fixed rod 4, and the gear 5 fixedly connected to the baffle plate 3; a first through groove 6 is provided on the top wall of the sand mixer body 1, a toothed plate 7 that meshes with the gear 5 is slidably connected in the first through groove 6, a support rod 8 is fixedly connected to the top of the sand mixer body 1, a control plate 14 is fixedly connected to the toothed plate 7, a second through groove 15 adapted to the size of the support rod 8 is provided on the control plate 14, and multiple axially arranged grooves are provided on the outer wall of the support rod 8. The recess 9 has a limiting groove 10 on the inner wall of the second through groove 15. A slider 12 is elastically installed in the limiting groove 10. The slider 12 is inserted into the recess 9 and the limiting groove 10 limits the sliding. A compression spring 11 is installed in the limiting groove 10 and abuts against the slider 12. In use, by moving the position of the control plate 14, the control plate 14 drives the toothed plate 7 and the gear 5 to mesh, thereby adjusting the angle of the baffle plate 3, so as to adjust the diameter of the discharge pipe 2, and thus facilitate adjustment according to the discharge requirements.

[0015] When material accumulates in the discharge pipe 2, the material being conveyed outward continues to fill the accumulated material, causing the baffle plate 3 to be impacted. When the impact is too great, the baffle plate 3 can move the slider 12 on the toothed plate 7 within the recess 9 via the gear 5. Thus, during normal use, the slider 12 can fix the angle of the baffle plate 3, and when the impact is too great, the slider 12 can move, thus not affecting the baffle plate 3 to flip over, thereby improving its service life.

[0016] The outer end of the slider 12 is an arc-shaped structure 13, which is adapted to the size of the notch 9. The notch 9 is also an arc-shaped structure. Since both the outer end of the slider 12 and the notch 9 are arc-shaped structures, when a larger force is applied to the slider 12, it is convenient for it to slide into or out of the notch 9.

[0017] Working principle: During the operation of the sand mixer, the diameter of the discharge pipe 2 can be changed by adjusting the position of the control plate 14. Specifically, when the control plate 14 moves, it will drive the toothed plate 7 and the gear 5 to mesh, and this mechanical transmission will ultimately adjust the angle of the baffle plate 3. In this way, the operator can flexibly adjust the discharge flow of the discharge pipe 2 according to the actual production needs, thereby optimizing production efficiency and material flow.

[0018] In actual operation, materials sometimes accumulate in the discharge pipe 2. At this time, the subsequently conveyed materials will continue to fill the accumulation area, causing the baffle plate 3 to be subjected to increased impact force from the materials. When the impact force is small, the baffle plate 3 can stably maintain the set angle to ensure a constant discharge flow rate. However, when the impact force is too large, in order to protect the equipment and maintain normal operation, the baffle plate 3 can cooperate with the gear 5 to make the slider 12 on the gear plate 7 displace within the recess 9. Under normal operating conditions, the slider 12 can firmly fix the angle of the baffle plate 3 to ensure the stability of the discharge flow rate. When encountering abnormal situations where the material impact force is too large, the mobility of the slider 12 allows the baffle plate 3 to be flexibly flipped and adjusted, thereby avoiding equipment damage caused by excessive impact. The above structure not only improves the service life of the equipment, but also ensures the continuity and stability of the production process and reduces downtime caused by equipment failure.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A casting sand mixer with easily adjustable discharge flow rate, comprising a sand mixer body (1), characterized in that: The bottom end of the sand mixer body (1) is fixedly connected to a discharge pipe (2) for discharging the material inside the sand mixer body (1); it also includes an adjustment component, which includes a baffle plate (3). When the baffle plate (3) adjusts the angle inside the discharge pipe (2), the diameter of the discharge pipe (2) increases or decreases. The adjustment assembly includes a fixed rod (4) fixedly connected inside the discharge pipe (2), a gear (5) rotatably connected to the fixed rod (4), and the gear (5) and the baffle plate (3) are fixedly connected. The top wall of the main body (1) of the sand mixer is provided with a first through groove (6), and a toothed plate (7) that meshes with the gear (5) is slidably connected in the first through groove (6). The top of the main body (1) of the sand mixer is fixedly connected to a support rod (8), and the toothed plate (7) is fixedly connected to a control plate (14). The control plate (14) is provided with a second through groove (15) that is adapted to the size of the support rod (8). The outer wall of the support rod (8) is provided with a plurality of axially arranged notches (9), and the inner wall of the second through groove (15) is provided with a limiting groove (10). A slider (12) is elastically installed in the limiting groove (10), and the slider (12) is inserted into the notch (9). The slider (12) and the limiting groove (10) are limited to slide, and a compression spring (11) that abuts against the slider (12) is installed in the limiting groove (10). The outer end of the slider (12) is an arc-shaped structure (13), and the arc-shaped structure (13) and the notch (9) are adapted to each other in size.

Images