Lifting device for feeding hopper

Abstract

The lifting device comprises a lifting machine body, the feeding hopper is arranged in the lifting machine body, a discharging bin is installed at the top of the lifting machine body, a rotating shaft penetrates through the discharging bin, a material guiding plate is matched with the rotating shaft, two arc-shaped racks are connected to the bottom of one side of the material guiding plate, and a connecting rod is rotationally arranged at the bottom of the discharging bin. Two gears are arranged on the connecting rod in a matched mode and meshed with the corresponding arc-shaped racks. According to the needed discharging angle, the connecting rod is rotated to drive the arc-shaped rack so that the discharging angle of the material guide plate can be adjusted, the inclination angle of the material guide plate can be flexibly adjusted according to the physical characteristics and actual requirements of materials, and the materials can be discharged through the material guide plate more smoothly after being poured out of the feeding hopper; the material guiding-out efficiency is remarkably improved, the accumulation and detention time of the materials in the discharging bin is shortened, and the situation that the materials deviate and scatter is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of material conveying, in particular to a lifting device for a feeding hopper. Background Art

[0002] In modern industrial production, as an efficient and reliable vertical conveying device, a bucket elevator is widely used in the conveying process of various materials. The traditional bucket elevator realizes the continuous conveying of materials from a low place to a high place by arranging a plurality of feeding hoppers on the elevator. After the materials are lifted to the top in the feeding hopper, they are usually exported through a discharge bin obliquely arranged at the top of the elevator. Although this design meets the basic material conveying requirements, there are still some deficiencies in actual applications, especially in the material discharging link;

[0003] When the feeding hopper lifting device in the prior art is in use, since the discharge bin is fixed at the top of the lifting device and cannot be adjusted according to the properties of the materials, the conveying speed and the requirements of subsequent processing processes, when conveying special materials such as poor fluidity, easy caking or requiring precise control, problems such as unsmooth discharging, material accumulation or scattering often occur. And because the angle of the discharge bin is fixed, the materials often lack effective guidance during the discharging process, and phenomena such as material deviation and spilling are likely to occur, affecting production efficiency and environmental sanitation. Therefore, a lifting device for a feeding hopper is proposed to overcome the above defects. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lifting device for a feeding hopper, which realizes the function of adjusting the inclination angle of the guide plate during discharging by rotating the guide plate through the guide plate and the arc rack.

[0005] The utility model is realized by the following technical solutions:

[0006] The utility model is a lifting device for a feeding hopper, which includes a hoist body. A feeding hopper is arranged in the hoist body. A discharge bin is installed at the top of the hoist body. A rotating shaft penetrates through the discharge bin. A guide plate is fitted on the rotating shaft. Two arc racks are connected to the bottom of one side of the guide plate. A connecting rod rotates at the bottom of the discharge bin. Two gears are fitted on the connecting rod. The two gears are meshed with the corresponding arc racks.

[0007] One end of the rotating shaft is fitted with a ratchet wheel. A rectangular frame is installed on one side of the discharge bin close to the ratchet wheel. A connecting shaft penetrates through the rectangular frame. A ratchet pawl is fitted on the connecting shaft. The ratchet pawl is meshed with the ratchet wheel.

[0008] Preferably, two rectangular blocks are installed at the bottom of the discharge bin, and a buffer pad is installed on the inner wall of the discharge bin. The connecting rod is in an "L" shape and penetrates through the rectangular blocks.

[0009] Preferably, two adjustment slots are provided at the bottom of the discharge bin, the two arc-shaped racks are respectively fitted in the corresponding adjustment slots, and stoppers are installed at the bottom ends of the two arc-shaped racks.

[0010] Preferably, two torsion springs are connected inside the rectangular frame, and one end of each of the two torsion springs is connected to the pawl.

[0011] Preferably, a limiting slot is provided inside one end of the rectangular frame, a spring is connected to one side wall of the limiting slot, a limiting ring is fitted on the connecting shaft, and the limiting ring is connected to one end of the spring.

[0012] Preferably, a sliding slot is provided inside one side of the rectangular frame, and one end of the connecting shaft is slidably fitted in the sliding slot.

[0013] The utility model has the following beneficial effects:

[0014] 1. Under the combined action of the material guiding plate and the arc-shaped rack, according to the required discharge angle, the connecting rod is rotated to drive the arc-shaped rack so that the discharge angle of the material guiding plate is adjusted, enabling the device to flexibly adjust the inclination angle of the material guiding plate according to the physical properties of the material and the actual requirements. After the material is poured out from the feeding hopper, it can pass through the material guiding plate more smoothly, significantly improving the discharging efficiency of the material, reducing the accumulation and retention time of the material in the discharge bin, and avoiding the situation of material deviation and spilling.

[0015] 2. Under the combined action of the ratchet wheel and the pawl, when the adjustment of the material guiding plate is completed, the pawl catches the ratchet wheel to limit the position of the material guiding plate. When releasing, the connecting shaft is pulled to one side to release the limit on the ratchet wheel so that the material guiding plate can rotate back to the bottom. The user can quickly adjust the inclination angle of the material guiding plate through simple operations and quickly fix it after the adjustment, making the entire adjustment process smoother and more convenient, thereby reducing the complexity of the operation and improving the work efficiency. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the lifting device;

[0017] Figure 2 It is a schematic internal structure diagram of the discharge bin;

[0018] Figure 3 It is a schematic bottom structure diagram of the discharge bin;

[0019] Figure 4 It is a schematic structural diagram of the material guiding plate;

[0020] Figure 5 It is a schematic structural diagram of the ratchet wheel and the pawl;

[0021] Figure 6 It is a schematic internal structure diagram of the rectangular frame.

[0022] In the figure: 1. Hoist body; 2. Discharge bin; 201. Rectangular block; 202. Buffer pad; 203. Adjustment groove; 3. Rotating shaft; 4. Guide plate; 5. Arc-shaped rack; 501. Stop block; 6. Connecting rod; 7. Gear; 8. Ratchet; 9. Rectangular frame; 901. Limit groove; 902. Slide groove; 10. Connecting shaft; 11. Pawl; 12. Torsion spring; 13. Limit ring; 14. Spring; 15. Loading hopper. Detailed implementation manner

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0024] Refer to Figures 1-6 , a lifting device for a loading hopper, including a hoist body 1. A loading hopper 15 is arranged inside the hoist body 1. A discharge bin 2 is installed at the top of the hoist body 1. Two rectangular blocks 201 are installed at the bottom of the discharge bin 2, and a buffer pad 202 is installed on the inner wall of the discharge bin 2. The buffer pad 202 is a rubber pad. By arranging the buffer pad 202, the guide plate 4 can be buffered when it turns back to the bottom to avoid damage. The connecting rod 6 is in an "L" shape and penetrates through the rectangular block 201. By setting the connecting rod 6 in an "L" shape, it is convenient to rotate the connecting rod 6. Two adjustment grooves 203 are opened at the bottom of the discharge bin 2. Two arc-shaped racks 5 are respectively fitted in the corresponding adjustment grooves 203. When the guide plate 4 rotates, the arc-shaped racks 5 move in the corresponding adjustment grooves 203, and stop blocks 501 are installed at the bottom ends of the two arc-shaped racks 5. The stop blocks 501 are rectangular. By arranging the stop blocks 501, it can prevent the guide plate 4 from rotating too much until the arc-shaped rack 5 moves into the discharge bin 2. A rotating shaft 3 penetrates through the discharge bin 2. A guide plate 4 is fitted on the rotating shaft 3. Two arc-shaped racks 5 are connected to the bottom of one side of the guide plate 4. A connecting rod 6 rotates at the bottom of the discharge bin 2. Two gears 7 are fitted on the connecting rod 6. The two gears 7 are meshed with the corresponding arc-shaped racks 5. After the hoist body 1 lifts the material to the inside of the discharge bin 2 through the loading hopper 15, according to the required discharge angle, rotate the connecting rod 6 to drive the two gears 7 to rotate, so that the two gears 7 drive the engaged arc-shaped racks 5 to rotate along the rotating shaft 3, and then drive the guide plate 4 to adjust the discharge angle of the guide plate 4. Then, the pawl 11 is used to lock the ratchet 8 to limit the rotating shaft 3, and thus the adjustment of the guide plate 4 can be completed, so that the device can flexibly adjust the inclination angle of the guide plate 4 according to the physical properties of the material and the actual requirements.

[0025] One end of the rotating shaft 3 is fitted with a ratchet wheel 8. On one side of the discharge bin 2 close to the ratchet wheel 8, a rectangular frame 9 is installed. Two torsion springs 12 are connected inside the rectangular frame 9. One end of each of the two torsion springs 12 is connected to a pawl 11. By means of the arranged torsion springs 12, when the ratchet wheel 8 rotates, the pawl 11 rotates in cooperation and compresses the torsion springs 12. When the ratchet wheel 8 stops rotating, the pawl 11 cooperates with the torsion springs 12 and enters into two adjacent teeth of the ratchet wheel 8 to limit the ratchet wheel 8. A limiting groove 901 is opened inside one end of the rectangular frame 9. One side wall of the limiting groove 901 is connected with a spring 14. A limiting ring 13 is fitted on the connecting shaft 10. The limiting ring 13 is connected to one end of the spring 14. The limiting ring 13 slides in the limiting groove 901. When the connecting shaft 10 is pulled, the limiting ring 13 drives to compress the spring 14, so that when the connecting shaft 10 is released, the spring 14 can rebound the limiting ring 13 to drive the connecting shaft 10 to drive the pawl 11 to return to its original position. A sliding groove 902 is opened inside one side of the rectangular frame 9. The length of the sliding groove 902 is greater than that of the limiting groove 901. One end of the connecting shaft 10 is slidably fitted in the sliding groove 902. When the connecting shaft 10 is pulled, one end of the connecting shaft 10 is located inside the sliding groove 902, preventing the connecting shaft 10 from moving out of the sliding groove 902. The connecting shaft 10 penetrates through the rectangular frame 9. The pawl 11 is fitted on the connecting shaft 10. The pawl 11 meshes with the ratchet wheel 8. When the guide plate 4 is adjusted, the rotating shaft 3 is driven to make the ratchet wheel 8 rotate. At this time, the pawl 11 rotates with the rotation of the ratchet wheel 8 and compresses the torsion springs 12. After the adjustment is completed, the torsion springs 12 drive the pawl 11 to catch the ratchet wheel 8 to limit the ratchet wheel 8. When the limit on the guide plate 4 is released and it moves downward, the connecting shaft 10 is pulled to one side to make the limiting ring 13 slide in the limiting groove 901 and squeeze the spring 14. At this time, the connecting shaft 10 drives the pawl 11 to move out of the adjacent teeth of the ratchet wheel 8, so that the limit on the ratchet wheel 8 can be released and the guide plate 4 can rotate back to the bottom.

[0026] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered by the protection scope of the present invention.

Claims

1. A lifting device for an upper hopper, characterized in that: include: An elevator body (1), wherein an upper hopper (15) is arranged in the elevator body (1), a discharge bin (2) is installed on the top of the elevator body (1), a rotating shaft (3) passes through the discharge bin (2), a guide plate (4) is matched on the rotating shaft (3), two arc-shaped racks (5) are connected to the bottom of one side of the guide plate (4), a connecting rod (6) is rotatable at the bottom of the discharge bin (2), two gears (7) are matched on the connecting rod (6), and the two gears (7) are meshed with the corresponding arc-shaped racks (5); One end of the rotating shaft (3) is matched with a ratchet (8), and a rectangular frame (9) is installed on the side of the discharge bin (2) close to the ratchet (8). A connecting shaft (10) passes through the rectangular frame (9), and a ratchet pawl (11) is matched on the connecting shaft (10), and the ratchet pawl (11) is meshed with the ratchet (8).

2. A lifting device for a hopper according to claim 1, characterized in that: Two rectangular blocks (201) are installed at the bottom of the discharge bin (2), and a buffer pad (202) is installed on the inner wall of the discharge bin (2). The connecting rod (6) is "L"-shaped and passes through the rectangular block (201).

3. A lifting device for a hopper according to claim 2, characterized in that: Two adjustment grooves (203) are provided at the bottom of the discharge bin (2), and the two arc-shaped racks (5) are respectively fitted in the corresponding adjustment grooves (203), and the bottom ends of the two arc-shaped racks (5) are both installed with stoppers (501).

4. A lifting device for a hopper according to claim 1, characterized in that: Two torsion springs (12) are connected inside the rectangular frame (9), and one end of the two torsion springs (12) is connected to the ratchet (11).

5. A lifting device for a hopper according to any one of claims 1 or 4, characterized in that: A limiting groove (901) is provided inside one end of the rectangular frame (9), a side wall of the limiting groove (901) is connected to a spring (14), a limiting ring (13) is matched on the connecting shaft (10), and the limiting ring (13) is connected to one end of the spring (14).

6. A lifting device for a hopper according to claim 4, characterized in that: A sliding groove (902) is provided inside one side of the rectangular frame (9), and one end of the connecting shaft (10) is slidably fitted in the sliding groove (902).

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