Sand mixer bin body discharge gate

Abstract

The utility model relates to a kind of sand mixer bin body discharge gate, including sand mixer body, sand mixing bin is provided in sand mixer body, the discharge gate is provided at the bottom of sand mixer body, the discharge gate includes switch structure, support structure and baffle door;The switch structure includes rotating shaft, connecting plate, turnover bearing seat and turnover oil cylinder, turnover bearing seat is symmetrically set in the bottom of sand mixer body, rotating shaft is set on turnover bearing seat, rotating shaft is connected with turnover oil cylinder by crank, the connecting plate is set on rotating shaft, and connecting plate end is provided with mounting seat;The support structure includes lug plate, the bottom of lug plate is provided with plate shaft, plate shaft is arranged on mounting seat, the bottom of lug plate is also provided with fixed support rod and elastic support rod, and baffle door is set on the top of lug plate;Realize the automatic switch of baffle door, improve the security and efficiency of operation.

Description

Technical Field

[0001] This utility model relates to the technical field of sand mixing equipment, and in particular to a sand mixing machine hopper unloading door. Background Technology

[0002] A sand mixer is a device that uniformly mixes the components in molding sand and effectively coats the sand particles with binder. During the operation of the sand mixer, the mixing bin and the mixing roller rotate in opposite directions to achieve a better mixing effect. However, the mixed material needs to be unloaded, which is usually done at the bottom of the mixing bin. Since the mixing bin needs to rotate during operation, the discharge gate on the discharge port of the traditional mixing bin is usually directly set on the mixing bin and rotates with it, making it difficult to set up an automatic gate opening device. Therefore, the discharge gate usually needs to be opened manually during unloading, which is not only cumbersome but also poses a significant safety hazard. Utility Model Content

[0003] In order to overcome the shortcomings of the existing problems mentioned above, this utility model provides a discharge door for a sand mixer hopper that can realize automatic opening and closing of the discharge door.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a discharge gate for a sand mixer hopper, including a sand mixer body, a sand mixing hopper provided in the sand mixer body, a discharge port provided at the bottom of the sand mixing hopper, and a corresponding discharge gate provided at the bottom of the sand mixer body. The discharge gate includes a switching structure, a supporting structure, and a baffle gate; the switching structure includes a rotating shaft, a connecting plate, a tilting bearing seat, and a tilting cylinder. The tilting bearing seats are symmetrically arranged on one side of the bottom of the sand mixer body at the discharge port, and the rotating shaft is arranged on the tilting bearing seat. One end of the rotating shaft is also connected to... A crank is provided, and a rotating shaft is connected to a tilting cylinder via the crank. The connecting plate is located in the middle section of the rotating shaft, and a mounting seat is provided at the end of the connecting plate corresponding to the discharge port. The support structure includes an ear plate, which is a gate-shaped structure. A plate shaft is provided at the bottom of the ear plate, and the plate shaft passes through the mounting seat. A fixed support rod and an elastic support rod are also provided at the bottom of the ear plate, and the fixed support rod and the elastic support rod are provided on the mounting seat. A material gate bearing seat is provided at the top of the ear plate, and the material gate is rotatably provided at the top of the ear plate via the material gate bearing seat.

[0005] Preferably, the elastic support rod protects the upper spring seat and the lower spring seat. The upper spring seat is located at the bottom of the ear plate, and the lower spring seat is located on the mounting base. A support spring and a telescopic rod are provided between the upper spring seat and the lower spring seat.

[0006] Preferably, the connecting plate is provided with a sandproof cover via a bracket, and the sandproof cover is provided on both sides of the ear plate.

[0007] The beneficial effects of this utility model are: it realizes the automatic opening and closing of the material gate, improving the safety and efficiency of operation; at the same time, during the operation, the material gate can continuously fit the discharge port, maintain a seal, and prevent leakage. Attached Figure Description

[0008] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0009] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the bottom structure of this utility model; Figure 3 This is a front view structural diagram of unloading gate 2; Figure 4 This is a top view of the unloading gate 2. Figure 5 This is a side view of the unloading gate 2. Figure 6 yes Figure 5 Schematic diagram of the structure at point AA; Figure 7 yes Figure 5 Schematic diagram of the structure at point BB: In the diagram: 1. Sand mixing bin; 2. Discharge gate; 3. Switching structure; 31. Rotating shaft; 32. Connecting plate; 33. Mounting base; 34. Tilting bearing seat; 35. Crank; 36. Tilting cylinder; 4. Support structure; 41. Ear plate; 42. Plate shaft; 43. Fixed support rod; 44. Elastic support rod; 45. Material gate bearing seat; 46. Upper spring seat; 47. Lower spring seat; 48. Lower spring seat; 49. Telescopic rod; 5. Material stop gate; 6. Sandproof cover. Detailed Implementation

[0010] All features disclosed in this specification, or steps in all methods or processes disclosed herein, may be combined in any way, except for mutually exclusive features and / or steps.

[0011] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0012] according to Figures 1-7As shown, a discharge gate for a sand mixer includes a sand mixer body, a sand mixing chamber 1 disposed within the sand mixer body, a discharge port at the bottom of the sand mixing chamber 1, and a corresponding discharge gate 2 at the bottom of the sand mixer body. The discharge gate 2 includes a switching structure 3, a supporting structure 4, and a baffle gate 5. The switching structure 3 includes a rotating shaft 31, a connecting plate 32, a tilting bearing seat 34, and a tilting cylinder 36. The tilting bearing seat 34 is symmetrically arranged on one side of the bottom of the sand mixer body at the discharge port. The rotating shaft 31 is mounted on the tilting bearing seat 34, and a crank 35 is connected to one end of the rotating shaft 31. The rotating shaft 31 is connected to the tilting cylinder 36 via the crank 35. The connecting plate 32 is located in the middle section of the rotating shaft 31, and a mounting seat 33 is located at the end of the connecting plate 32 corresponding to the discharge port. A channel structure for discharge is provided at the bottom of the sand mixer body, and the bearing seat 34 is located on both sides of the channel structure. The rotating shaft 31 passes through... The bearing seat 34 is inserted into the channel structure. The tilting cylinder 36 and crank 35 are located on the outside of the channel structure, and the connecting plate 32 and mounting base 33 are located on the inside of the channel structure. The support structure 4 includes an ear plate 41, which is configured as a gate-shaped structure. A plate shaft 42 is provided at the bottom of the ear plate 41, and the plate shaft 42 is inserted into the mounting base 33. A fixed support rod 43 and an elastic support rod 44 are also provided at the bottom of the ear plate 41. The fixed support rod 43 and the elastic support rod 44 are provided on the mounting base 33. The fixed support rod 43 and the elastic support rod 44 are respectively located on both sides of the plate shaft 42 on the mounting base 33. The fixed support rod 43 is closer to the rotating shaft 31 than the elastic support rod 44. The fixed support rod 43 rests on the bottom of the ear plate 41. A pad is provided at the bottom of the ear plate 41 at a corresponding position. A material gate bearing seat 45 is provided at the top of the ear plate 41. The material gate 5 is rotatably mounted on the top of the ear plate 41 through the material gate bearing seat 45.

[0013] The elastic support rod 44 protects the upper spring seat 46 and the lower spring seat 47. The upper spring seat 46 is located at the bottom of the ear plate 41, and the lower spring seat 47 is located on the mounting base 33. A support spring 48 and a telescopic rod 49 are provided between the upper spring seat 46 and the lower spring seat 47. The telescopic rod 49 is located in the support spring 48 and is used to control the extension and retraction of the support spring 48, limiting its vertical extension and retraction to ensure stability during extension and retraction.

[0014] A sandproof cover 6 is provided on the connecting plate 32 via a bracket, and the sandproof cover 6 is provided on both sides of the ear plate 41.

[0015] During use, the movable end of the rotating cylinder 36 extends and retracts, which in turn controls the rotation of the rotating shaft 31 via the crank 35. This, in turn, causes the connecting plate 32 to rotate, thereby controlling the material gate 5 on the support structure 4 at the end of the connecting plate 32 to move up and down, opening and closing. The fixed support rod 43 on the support structure 4 provides fixed support on one side of the ear plate 41, while the elastic support rod 44 provides continuous elastic pressure on the other side of the ear plate 41. This allows the material gate 5 to adapt to the vibration during the rotation of the sand mixing bin, as well as the dynamic load generated by the material in the bin during sand mixing. This ensures that the material gate 5 always stays in contact with the discharge port, reducing vibration, maintaining a seal, and preventing leakage. The material gate 5 is mounted on the support structure 4 via the material gate bearing seat 45, allowing the material gate 5 to rotate synchronously with the rotation of the sand mixing bin 1.

[0016] This design is ingenious. Through the setting of a switch structure, a support structure, and a baffle gate, the automatic opening and closing of the baffle gate is realized, reducing the need for manual operation and improving the safety and efficiency of operation. At the same time, the setting of fixed support rods and elastic support rods ensures that the baffle gate can continuously fit against the discharge port during operation, adapting to the vibration and internal material pressure during the operation of the sand mixing bin, maintaining a seal and preventing leakage.

[0017] This invention is not limited to the specific embodiments described above. This invention extends to any new feature or combination disclosed in this specification, as well as any new method or process step or combination disclosed herein.

Claims

1. A discharge gate for a sand mixer hopper, characterized in that: The system includes a sand mixer body, a sand mixing chamber (1) within the sand mixer body, a discharge port at the bottom of the sand mixing chamber (1), and a corresponding discharge gate (2) at the bottom of the sand mixer body. The discharge gate (2) includes a switch structure (3), a support structure (4), and a baffle gate (5). The switch structure (3) includes a rotating shaft (31), a connecting plate (32), a tilting bearing seat (34), and a tilting cylinder (36). The tilting bearing seat (34) is symmetrically arranged on one side of the bottom of the sand mixer body at the discharge port. The rotating shaft (31) is mounted on the tilting bearing seat (34), and a crank (35) is connected to one end of the rotating shaft (31). The rotating shaft (31) is connected to the tilting cylinder (36) via the crank (35). The connecting plate (32) is located in the middle of the rotating shaft (31), and the end of the connecting plate (32) is provided with a mounting seat (33) corresponding to the discharge port; the support structure (4) includes an ear plate (41), which is configured as a door-shaped structure. The bottom of the ear plate (41) is provided with a plate shaft (42), which passes through the mounting seat (33). The bottom of the ear plate (41) is also provided with a fixed support rod (43) and an elastic support rod (44), which are provided on the mounting seat (33). The top of the ear plate (41) is provided with a material gate bearing seat (45), and the material gate (5) is rotatably provided on the top of the ear plate (41) through the material gate bearing seat (45).

2. The discharge gate of the sand mixer hopper according to claim 1, characterized in that: The elastic support rod (44) protects the upper spring seat (46) and the lower spring seat (47). The upper spring seat (46) is located at the bottom of the ear plate (41), and the lower spring seat (47) is located on the mounting base (33). A support spring (48) and a telescopic rod (49) are provided between the upper spring seat (46) and the lower spring seat (47).

3. The discharge gate of the sand mixer hopper according to claim 1, characterized in that: A sandproof cover (6) is provided on the connecting plate (32) via a bracket, and the sandproof cover (6) is provided on both sides of the ear plate (41).

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