Foundry belt machine sand separating semi-automatic control structure

Abstract

The utility model discloses a kind of casting belt conveyor sand separating semi-automatic control structure, it is related to mechanical manufacturing technical field, including body, the body includes bracket, the bottom of the bracket is provided with a plurality of supporting legs, conveying belt is installed on the bracket, the side of the body is provided with hopper, the top of the body is detachably installed with assembly frame by multiple bolts, the assembly frame includes fixed arm and extension plate. The utility model is driven by the telescopic end of cylinder to make sand separating plate rotate, so that the one end of sand separating plate rises upward, thereby guiding the conveying direction of sand on conveying belt, adjusting the speed of sand into hopper, by the spring and guide block, when sand and movable plate contact, spring will be driven to contract to make movable plate reciprocating vibration, enhance the fluidity of sand, avoid blocking on conveying belt, improve the accuracy and efficiency of sand separating.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing technology, and in particular to a semi-automatic control structure for sand separation in a casting belt conveyor. Background Technology

[0002] In the casting production process, the conveying and distribution of molding sand is a core link connecting key processes such as sand treatment and molding. As the main equipment for conveying molding sand, the casting belt conveyor's sand distribution accuracy and efficiency directly affect the quality of sand molds, casting quality, and production continuity. The core requirement of the casting belt conveyor for sand distribution is to accurately distribute the molding sand from the sand storage bin or previous process to the corresponding hopper or workstation according to the needs of subsequent molding equipment such as sand molds or core shooters. At the same time, it needs to adapt to the different requirements of different casting production for molding sand flow rate and velocity.

[0003] Existing sand distribution control mechanisms for foundry belt conveyors typically employ manual operation or fully automated control. This involves manually adjusting the angle of the sand distribution plate or starting and stopping the conveyor belt, relying on operator experience to judge the sand distribution volume. This approach is not only labor-intensive and inefficient, but also significantly affected by human factors, easily leading to uneven sand accumulation or overflow in the hopper, resulting in mold defects. While fully automated control can achieve precise sand distribution, it requires large equipment investments and complex maintenance, increasing operating costs for smaller foundry enterprises. Furthermore, traditional sand distribution plates are mostly fixed baffles, lacking elastic buffering and dynamic adjustment capabilities. When molding sand flows through, it is prone to clogging the sand distribution channel due to excessive impact or strong adhesion, requiring frequent shutdowns for cleaning and disrupting production continuity. Therefore, this application proposes a semi-automatic sand distribution control structure for foundry belt conveyors. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies, such as low efficiency and difficulty in ensuring accuracy due to manual operation, and insufficient economic efficiency for casting enterprises with small production scale and frequent process adjustments due to the lack of fully automatic control, which makes it difficult to meet the requirements of efficient, precise and low-cost sand separation in modern casting production. Therefore, a semi-automatic control structure for sand separation of casting belt conveyors is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A semi-automatic control structure for sand separation in a casting belt conveyor includes a machine body, the machine body including a bracket, multiple support legs being aligned at the bottom of the bracket, a conveyor belt being installed on the bracket, a hopper being provided on one side of the machine body, and an assembly frame being detachably installed on the top of the machine body via multiple sets of bolts, the assembly frame including a fixed arm and an extension plate, and an adjustment mechanism being installed on the extension plate; A sand-dividing plate is provided below the adjusting mechanism, and the position of the sand-dividing plate corresponds to the position of the hopper. The sand-dividing plate includes an L-shaped frame, and multiple baffles are equally spaced on the frame. All the baffles are inclined, and movable plates are provided between the multiple baffles.

[0006] As a further preferred embodiment of this technical solution, the two ends of the conveyor belt are respectively provided with an electric roller and a redirecting roller, and the electric roller and the redirecting roller are respectively mounted on the bracket via a support. The conveyor belt is provided with multiple sets of guide wheels.

[0007] As a further preferred embodiment of this technical solution, the adjusting mechanism includes an automatic valve, a manual valve, and a cylinder, wherein both the automatic valve and the manual valve are mounted on an extension plate; The cylinder mounting base is located on top, and the cylinder mounting base is rotatably connected to the extension plate via a rotating seat.

[0008] As a further preferred embodiment of this technical solution, a connecting seat is fixedly installed at the upper end of the frame. The connecting seat includes two symmetrically arranged fixing plates, and a pin is rotatably inserted between the two fixing plates. The pin is connected to the telescopic end of the cylinder. Two connecting rods are fixedly connected to both sides of the frame, and the ends of the two connecting rods away from the frame are rotatably connected to the fixed arm through limiting pins.

[0009] As a further preferred embodiment of this technical solution, springs are fixedly connected to the side walls of the plurality of baffles, and the length of the springs is equal to the distance between two adjacent baffles. The ends of the plurality of springs away from the baffles are fixedly connected to the side walls of the movable plates corresponding to their respective positions.

[0010] As a further preferred embodiment of this technical solution, multiple guide blocks are fixedly connected to the sidewalls of the multiple movable plates away from the spring, and the ends of the multiple guide blocks away from the movable plates are all set to be arc-shaped.

[0011] This utility model has the following beneficial effects: 1. This utility model, through the setting of a cylinder and a rotating seat, and the fixation of the limiting pin and connecting rod, allows the cylinder's telescopic end to drive the sand-distributing plate to rotate, causing one end of the sand-distributing plate to rise upwards. This guides the conveying direction of the molding sand on the conveyor belt and adjusts the speed at which the molding sand enters the hopper. Through the setting of springs and guide blocks, when the molding sand contacts the movable plate, it will drive the spring to contract, causing the movable plate to vibrate back and forth, enhancing the fluidity of the molding sand, avoiding blockage on the conveyor belt, and improving the accuracy and efficiency of sand distribution.

[0012] 2. This utility model allows for switching between automatic and manual valves to adjust the position of the sand separating plate, facilitating precise adjustment of the sand separating quantity and speed. This ensures the stability of the sand mold quality, improves casting quality, and provides flexible and safe operation. It also reduces complex automated equipment, lowers equipment investment and maintenance costs, and is more suitable for smaller foundries, thus enhancing the practicality of the device. Attached Figure Description

[0013] Figure 1 This is an isometric structural diagram of a semi-automatic sand separation control structure for a casting belt conveyor proposed in this utility model; Figure 2 This is a front view schematic diagram of a semi-automatic sand separation control structure for a casting belt conveyor proposed in this utility model; Figure 3 This is a schematic diagram of the structure of the machine body and hopper of a semi-automatic control structure for sand separation of a casting belt conveyor proposed in this utility model; Figure 4 This is a schematic diagram of the adjusting mechanism and the sand separating plate of a semi-automatic control structure for sand separation in a casting belt conveyor proposed in this utility model. Figure 5 This is a schematic diagram of the overall structure of the sand separating plate of a semi-automatic control structure for sand separating in a casting belt conveyor proposed in this utility model. Figure 6 This is a partial structural diagram of the sand-separating plate of a semi-automatic control structure for sand separation in a casting belt conveyor proposed in this utility model.

[0014] In the diagram: 1. Machine body; 11. Bracket; 12. Support leg; 13. Conveyor belt; 14. Electric roller; 15. Redirecting roller; 16. Guide wheel; 2. Hopper; 3. Assembly frame; 31. Fixed arm; 32. Extension plate; 4. Adjustment mechanism; 41. Automatic valve; 42. Manual valve; 43. Cylinder; 44. Rotating seat; 5. Sand separating plate; 51. Frame; 511. Connecting seat; 512. Connecting rod; 513. Limit pin; 52. Baffle; 53. Spring; 54. Movable plate; 55. Guide block. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] This utility model provides a technical solution: such as Figures 1 to 3As shown, a semi-automatic control structure for sand separation in a casting belt conveyor includes a body 1. The body 1 includes a bracket 11, with multiple support legs 12 aligned at the bottom of the bracket 11. A conveyor belt 13 is mounted on the bracket 11. The conveyor belt 13 is made of wear-resistant rubber, and its surface can be customized with anti-slip textures to enhance the friction between the molding sand and the conveyor belt 13, preventing slippage or deviation of the molding sand during conveying due to belt start-up, stop-up, or speed adjustment. Electric rollers 14 and redirecting rollers 15 are respectively installed at both ends of the conveyor belt 13, and the electric rollers 14 and redirecting rollers 15 are mounted on the bracket 11 via supports. Multiple sets of guide wheels 16 are installed inside the conveyor belt 13. The electric roller 14 serves as a power source, driven by an external motor to rotate, thereby driving the conveyor belt 13 to circulate. The rotation speed can be adjusted by an external control system to adapt to different sand separation speed requirements. The redirecting roller 15 changes the running direction of the conveyor belt 13, making the conveyor belt 13 form a closed circular conveying path. At the same time, the wheel surface of the guide wheel 16 is in contact with the inner side of the conveyor belt 13, which can accurately guide the running trajectory of the conveyor belt 13, avoid the conveyor belt 13 from running off track during long-term operation, and also distribute the weight of the conveyor belt 13 and molding sand, reduce the sagging deformation of the conveyor belt 13, and extend the service life of the conveyor belt 13.

[0017] like Figure 4 As shown, a hopper 2 is provided on one side of the machine body 1. An assembly frame 3 is detachably mounted on the top of the machine body 1 via multiple sets of bolts. The assembly frame 3 includes a fixed arm 31 and an extension plate 32. An adjustment mechanism 4 is mounted on the extension plate 32. The adjustment mechanism 4 includes an automatic valve 41, a manual valve 42, and a cylinder 43. Both the automatic valve 41 and the manual valve 42 are mounted on the extension plate 32. The mounting seat of the cylinder 43 is located on the top, and the mounting seat of the cylinder 43 is rotatably connected to the extension plate 32 via a rotating seat 44. It should be noted that during the sand separation process, the automatic valve 41 can be activated by the control system. 1. Alternatively, the operator can activate the manual valve 42 to adjust the extension end of the cylinder 43. With the support of the rotating seat 44, the extension end of the cylinder 43 drives the frame 51 to move through the connecting seat 511. With the support of the connecting rod 512 and the limit pin 513, the frame 51 rotates around the limit pins 513 on both sides as the axis. The end of the sand separating plate 5 away from the cylinder 43 is lifted upward and contacts the molding sand on the conveyor belt 13 through the baffles 52 at different positions, thereby adjusting the flow speed and direction of the molding sand, so that the molding sand falls into the hopper 2 placed on one side for subsequent casting.

[0018] like Figure 5 and Figure 6As shown, a sand-dividing plate 5 is provided below the adjusting mechanism 4, and the position of the sand-dividing plate 5 corresponds to the position of the hopper 2. The sand-dividing plate 5 includes an L-shaped frame 51, on which multiple baffles 52 are equally spaced and inclined. Movable plates 54 are respectively provided between the multiple baffles 52. A connecting seat 511 is fixedly installed at the upper end of the frame 51. The connecting seat 511 includes two symmetrically arranged fixed plates. A pin is rotatably inserted between the two fixed plates, and the pin is connected to the telescopic end of the cylinder 43. Two fixed plates are respectively fixedly connected to the two sides of the frame 51. The connecting rods 512, with the ends of the two connecting rods 512 away from the frame 51 respectively rotatably connected to the fixed arm 31 via limit pins 513, and springs 53 are fixedly connected to the side walls of multiple baffles 52 respectively, with the length of the springs 53 being equal to the distance between two adjacent baffles 52. The ends of the multiple springs 53 away from the baffles 52 are fixedly connected to the side walls of the movable plates 54 corresponding to the positions, and multiple guide blocks 55 are fixedly connected to the side walls of the multiple movable plates 54 away from the springs 53 respectively, with the ends of the multiple guide blocks 55 away from the movable plates 54 all being arc-shaped.

[0019] Specifically, multiple baffles 52, equidistantly arranged within the frame 51, are inclined. Adjacent baffles 52 form multiple flow channels. When the molding sand on the conveyor belt 13 is transported to the area of ​​the sand distribution plate 5, the inclined baffles 52 divide the molding sand into multiple streams, ensuring a uniform flow of the molding sand towards the material 2. This avoids blockage caused by concentrated accumulation of molding sand and reduces uneven accumulation of molding sand in the hopper. Furthermore, when the molding sand flows past the movable plate 54, the impact force of the molding sand compresses the spring 53, causing the movable plate 54 to move towards the baffle 52. When the molding sand flow decreases or there is a brief interruption in material flow, the rebound force of the spring 53 pushes the movable plate 54 back to its original position, thereby driving the movable plate 54 towards... The repeated motion can break the adhesion between the molding sand at the sand separating plate 5, prevent the molding sand from clumping on the surface of the movable plate 54, and avoid the molding sand from accumulating on the conveyor belt 13 and causing blockage. Furthermore, by setting the arc-shaped guide block 55, the contact area between the movable plate 54 and the molding sand is reduced, preventing the molding sand from adhering to the surface of the movable plate 54 due to excessive frictional resistance. This is suitable for conveying molding sand with high humidity or easy adhesion. Moreover, the arc-shaped structure of the guide block 55 will generate a guiding force on the molding sand to disperse it. Together with the guidance of the inclined direction of the baffle 52, it ensures that the molding sand flows into the hopper 2, preventing the molding sand from deviating and falling outside the conveyor belt 13, reducing molding sand waste and improving the sand separating accuracy.

[0020] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A semi-automatic control structure for sand separation in a casting belt conveyor, comprising a body (1), characterized in that, The machine body (1) includes a bracket (11), and multiple support legs (12) are arranged at the bottom of the bracket (11). A conveyor belt (13) is installed on the bracket (11). A hopper (2) is provided on one side of the machine body (1). An assembly frame (3) is detachably installed on the top of the machine body (1) by multiple sets of bolts. The assembly frame (3) includes a fixed arm (31) and an extension plate (32). An adjustment mechanism (4) is installed on the extension plate (32). A sand-dividing plate (5) is provided below the adjusting mechanism (4), and the position of the sand-dividing plate (5) corresponds to the position of the hopper (2). The sand-dividing plate (5) includes an L-shaped frame (51), and multiple baffles (52) are equidistantly arranged on the frame (51). The multiple baffles (52) are all inclined, and movable plates (54) are respectively arranged between the multiple baffles (52).

2. The semi-automatic control structure for sand separation of a casting belt conveyor according to claim 1, characterized in that, The conveyor belt (13) is provided with an electric roller (14) and a redirecting roller (15) at both ends, and the electric roller (14) and the redirecting roller (15) are respectively mounted on the bracket (11) by a bracket. The conveyor belt (13) is provided with multiple sets of guide wheels (16).

3. The semi-automatic control structure for sand separation of a casting belt conveyor according to claim 1, characterized in that, The regulating mechanism (4) includes an automatic valve (41), a manual valve (42) and a cylinder (43), and the automatic valve (41) and the manual valve (42) are both mounted on the extension plate (32); The mounting base of the cylinder (43) is located on the top, and the mounting base of the cylinder (43) is rotatably connected to the extension plate (32) through the rotating seat (44).

4. The semi-automatic control structure for sand separation of a casting belt conveyor according to claim 1, characterized in that, The upper end of the frame (51) is fixedly installed with a connecting seat (511). The connecting seat (511) includes two symmetrically arranged fixing plates. A pin is rotatably inserted between the two fixing plates, and the pin is connected to the telescopic end of the cylinder (43). The frame (51) is fixedly connected to two connecting rods (512) on both sides. The ends of the two connecting rods (512) away from the frame (51) are rotatably connected to the fixed arm (31) through the limiting pin (513).

5. The semi-automatic control structure for sand separation of a casting belt conveyor according to claim 1, characterized in that, A spring (53) is fixedly connected to the side wall of each of the multiple baffles (52), and the length of the spring (53) is the distance between two adjacent baffles (52). The ends of the multiple springs (53) away from the baffles (52) are fixedly connected to the side wall of the movable plate (54) corresponding to the position.

6. The semi-automatic control structure for sand separation of a casting belt conveyor according to claim 5, characterized in that, Multiple guide blocks (55) are fixedly connected to the side wall of the multiple movable plates (54) away from the spring (53), and the ends of the multiple guide blocks (55) away from the movable plates (54) are all set to be arc-shaped.

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