Stacked material buffering feeding bin

Abstract

The utility model discloses a stockpiling buffering feed bin, which relates to the field of feeding equipment, solves the problem that an inlet area is easily blocked or equipment is easily damaged due to large impact force generated by excessive accumulation of materials in a blanking process when the materials are directly fed into a screw conveyor by the traditional feed bin, and comprises a feed bin, a buffer structure is installed at the bottom in the feeding bin and comprises buffer rollers, the two parallel buffer rollers are arranged at the bottom in the feeding bin, the two ends of each buffer roller are fixedly connected with a main shaft, the main shafts are rotationally connected with the adjacent side faces of the feeding bin, and a plurality of annular arc-shaped grooves are formed in the side faces of the outer circles of the buffer rollers. The two first material guide plates are fixedly installed in the center of the bottom in the feeding bin, the two side faces of the bottom in the feeding bin are both fixedly connected with the second material guide plates, the material falling speed can be effectively reduced through the design of the arc-shaped grooves, and the situation that materials are stacked together due to too large impact force, and consequently equipment is blocked or damaged is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a material feeding equipment field, concretely to a material stacking buffer feeding bin. BACKGROUND

[0002] The buffer bin, also known as a buffer feeding bin, is a device for temporarily storing and preliminarily classifying materials, and is usually used for processing unstable flow or alternating conveying between different materials.

[0003] The conventional feeding bin directly feeds the materials into a screw conveyor, which causes a large impact force in the material falling process due to excessive accumulation, which easily causes blockage in the inlet area or damage to the equipment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a material stacking buffer feeding bin which can effectively slow down the speed of material falling through the design of the arc-shaped grooves, avoid the accumulation of materials due to excessive impact force, and cause blockage or damage to the equipment, and can solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a material stacking buffer feeding bin, comprising a feeding bin, a buffer structure is installed at the bottom of the feeding bin, the buffer structure comprises a buffer roller, two buffer rollers are arranged in parallel at the bottom of the feeding bin, main shafts are fixedly connected to both ends of the buffer roller, the main shafts are rotatably connected to the adjacent side of the feeding bin, a plurality of arc-shaped grooves are arranged in a ring shape on the outer side of the buffer roller, two first guide plates are fixedly installed at the center position of the bottom of the feeding bin, second guide plates are fixedly connected to the side surfaces of the bottom of the feeding bin, the adjacent first guide plates and second guide plates are symmetrically arranged about the buffer roller; a spiral conveying structure is arranged at the bottom of the buffer structure.

[0006] Preferably, the spiral conveying structure comprises conveying barrels, the two conveying barrels are arranged side by side and in parallel, the top of one end of the conveying barrel is in communication with the bottom of the feeding bin, the bottom of the other end is in communication with a discharging channel, a plurality of support rods are fixedly connected to the outer side of the bottom of the conveying barrel, a conveying shaft is arranged at the center position of the inner bottom of the conveying barrel, the two ends of the conveying shaft are rotatably connected to the two end surfaces of the conveying barrel, and helical blades are fixedly sleeved on the outer side wall of the conveying shaft.

[0007] Preferably, arc-shaped notches are arranged on the adjacent side surfaces of the first guide plate and the adjacent second guide plate, and the outer side of the buffer roller is matched with the arc-shaped notches.

[0008] Preferably, one end of the conveying shaft is rotatably penetrated through the side of the conveying cylinder, and a chain wheel is connected to the penetrated end; the adjacent main shaft is rotatably penetrated through the side of the feeding bin, and a chain wheel is connected to the penetrated end; the two vertical chain wheels are connected through a chain transmission; two motors are installed at the bottom of the feeding bin on the other side; the output end of the motor is rotatably penetrated through the side of the feeding bin, and the penetrated end is fixedly connected with the adjacent main shaft.

[0009] Preferably, a tensioning structure is installed on the side of the feeding bin, the tensioning structure comprises a tensioning wheel, an upper clamping plate and a lower clamping plate, the upper clamping plate and the lower clamping plate are fixedly connected to the outer side of the feeding bin and are arranged in parallel, the upper clamping plate and the lower clamping plate are slidably provided with a sliding block, the sliding block is rotatably connected with the tensioning wheel through a support shaft at the front end face, the tensioning wheel is engaged with the chain, and the sliding block is screw-connected with a pressing bolt at the front end face.

[0010] Preferably, a sliding groove is formed in the bottom of the upper clamping plate, and a matching sliding plate is fixedly connected to the top of the sliding block.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: through the design of the arc-shaped groove, the speed of the material falling can be effectively slowed down, the material can be prevented from piling up together due to excessive impact force, and the equipment can be prevented from being blocked or damaged, simultaneously, the setting of the first guide plate and the second guide plate can guide the material to fall along a specific path, and ensure that the material can accurately fall into the arc-shaped groove, in addition, the rotary motion of the spiral conveying structure can further stir and disperse the material, so that the material is more uniformly distributed on the conveying belt, thereby improving the uniformity and stability of the feeding, the design of the material stacking buffer feeding bin not only improves the production efficiency, but also reduces the maintenance and replacement cost of the equipment, and has a wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a front view structure schematic view of the utility model;

[0014] Figure 3 It is a three-dimensional structure schematic view of the internal structure of the utility model;

[0015] Figure 4 It is Figure 3 It is a local enlarged structure schematic view of A in the middle;

[0016] Figure 5 It is a sectional structure schematic view of the utility model in the side view direction.

[0017] In the figure: 1, feed bin; 2, buffer structure; 201, main shaft; 202, first guide plate; 203, arc-shaped groove; 204, second guide plate; 205, buffer roller; 3, screw conveying structure; 301, conveying cylinder; 302, motor; 303, chain; 304, conveying shaft; 305, support rod; 306, discharge channel; 307, chain wheel; 308, spiral blade; 4, tensioning structure; 401, compression bolt; 402, sliding block; 403, support shaft; 404, tensioning wheel; 405, sliding groove; 406, upper clamping plate; 407, lower clamping plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a kind of stack buffer feed bin is shown in the figure, including feed bin 1, buffer structure 2 is installed in the bottom of the feed bin 1, buffer structure 2 includes buffer roller 205, the bottom of the feed bin 1 is provided with two parallelly arranged buffer rollers 205, the two ends of buffer roller 205 are fixedly connected with main shaft 201, main shaft 201 is rotatably connected with the adjacent side surface of feed bin 1, a plurality of annularly arranged arc-shaped grooves 203 are formed on the outer circular side surface of buffer roller 205, two first guide plates 202 are fixedly installed at the center position of the bottom of feed bin 1, second guide plate 204 is fixedly connected on the two side surfaces of the bottom of feed bin 1, adjacent first guide plate 202 and second guide plate 204 are symmetrically arranged about buffer roller 205;Buffer structure 2 bottom is provided with screw conveying structure 3.

[0020] Notably, the material to be added first accumulates inside the feed bin 1, the buffer structure 2 is opened, the buffer roller 205 can be driven to rotate, and when the material falls into the arc-shaped groove 203 and is full, the material in the arc-shaped groove 203 is transported to the bottom position by rotating the buffer roller 205, thereby discharging the material, allowing the material to fall into the spiral conveying structure 3 for buffering and feeding, making the feeding uniform, and the design of the arc-shaped groove 203 can effectively slow down the speed of the material falling, avoiding the material from piling up together due to excessive impact force, causing blockage or damage to the equipment, at the same time, the first guide plate 202 and the second guide plate 204 can guide the material to fall along a specific path, ensuring that the material can accurately fall into the spiral conveying structure 3, in addition, the rotating movement of the spiral conveying structure 3 can further stir and disperse the material, making it more uniformly distributed on the conveying belt, thereby improving the uniformity and stability of the feeding, the design of this material stacking and buffering feed bin not only improves the production efficiency, but also reduces the maintenance and replacement cost of the equipment, and has a wide application prospect.

[0021] Please refer to Figure 1 , Figure 2 and Figure 3 , the spiral conveying structure 3 includes a conveying cylinder 301, two conveying cylinders 301 are arranged side by side and parallel, one end of the top of the conveying cylinder 301 is communicated with the bottom of the feed bin 1, the other end of the bottom is communicated with a discharge channel 306, a plurality of support rods 305 are fixedly connected to the outer side of the bottom of the conveying cylinder 301, a conveying shaft 304 is arranged at the center position of the inner bottom of the conveying cylinder 301, the two ends of the conveying shaft 304 are rotatably connected with the two end faces of the conveying cylinder 301, and a spiral blade 308 is fixedly sleeved on the outer side wall of the conveying shaft 304.

[0022] Notably, the spiral blade 308 extends spirally along the axial direction of the conveying shaft 304, when the conveying shaft 304 is driven to rotate by the external motor 302, the spiral blade 308 can drive the material in the conveying cylinder 301 to move axially, realizing continuous conveying from the feed bin 1 to the bottom discharge channel 306. The arrangement of the support rods 305 not only provides stable support for the conveying cylinder 301, but also ensures the stability of the conveying cylinder 301 during operation. In addition, the side-by-side and parallel arrangement of the conveying cylinder 301 allows the two conveying channels to work together, improving the conveying efficiency of the material, and the design of the discharge channel 306 facilitates the collection and subsequent processing of the material, making the entire material stacking and buffering feeding process smoother and more efficient.

[0023] Please refer to Figure 5 , the first guide plate 202 and the adjacent second guide plate 204 are provided with arc-shaped notches on the adjacent side surfaces, and the outer circular side surface of the buffer roller 205 matches the arc-shaped notches, which allows the buffer roller 205 to rotate in the arc-shaped notches, ensuring that the material falls into the arc-shaped groove 203 and ensuring normal buffering and feeding.

[0024] Referring to Figure 2 , Figure 3 and Figure 4 , one end of the conveying shaft 304 is rotatably penetrated through the side of the conveying cylinder 301, and the penetrating end is connected with a chain wheel 307, the adjacent main shaft 201 is rotatably penetrated through the side of the feeding bin 1, and the penetrating end is connected with a chain wheel 307, the two vertical chain wheels 307 are drivingly connected through the chain 303, two motors 302 are installed on the bottom of the feeding bin 1 on the other side, the output end of the motor 302 is rotatably penetrated through the side of the feeding bin 1, and the penetrating end is fixedly connected with the adjacent main shaft 201.

[0025] It is worth noting that when the motor 302 is started, the main shaft 201 can be driven to rotate, the chain wheel 307 on the main shaft 201 is driven to rotate through the chain 303, the conveying shaft 304 is driven to rotate synchronously, the buffer feeding is realized, and the spiral blade 308 is driven to rotate and work, the use of multiple motors 302 is reduced, and the equipment cost and the power consumption cost are reduced.

[0026] Referring to Figure 1 , Figure 3 and Figure 4 , the feeding bin 1 is provided with a tensioning structure 4 on the side of the chain 303, the tensioning structure 4 comprises a tensioning wheel 404, an upper clamping plate 406 and a lower clamping plate 407, the upper clamping plate 406 and the lower clamping plate 407 are fixedly connected on the outer side of the feeding bin 1 and are arranged in parallel, the upper clamping plate 406 and the lower clamping plate 407 are slidingly provided with a sliding block 402, the front end surface of the sliding block 402 is rotatably connected with the tensioning wheel 404 through a supporting shaft 403, the tensioning wheel 404 is engaged with the chain 303, and the front end surface of the sliding block 402 is threadedly connected with a pressing bolt 401.

[0027] It is worth noting that the end of the pressing bolt 401 abuts against the lower clamping plate 407, by rotating the pressing bolt 401, the sliding distance of the sliding block 402 between the upper clamping plate 406 and the lower clamping plate 407 can be adjusted, so that the engagement degree between the tensioning wheel 404 and the chain 303 is adjusted, and the tensioning adjustment of the chain 303 is realized. Such design not only improves the transmission efficiency of the chain 303, but also effectively avoids the noise and wear caused by loosening of the chain 303, prolongs the service life of the equipment, at the same time, the installation and adjustment process of the tensioning structure 4 is simple and convenient, without the need for complex tools and operations, improves the maintenance efficiency of the equipment.

[0028] Referring to Figure 4 , the bottom of the upper clamping plate 406 is provided with a sliding groove 405, and the top of the sliding block 402 is fixedly connected with a matching sliding plate, so that the sliding block 402 can stably and horizontally move between the upper clamping plate 406 and the lower clamping plate 407, and cannot move towards the front direction.

[0029] Working principle: the material is first added into the feeding bin 1; then, the motor 302 is started, the motor 302 drives the main shaft 201 connected with it to rotate; the rotation of the main shaft 201 drives other main shafts 201 and the conveying shaft 304 to rotate synchronously through the transmission of the chain wheel 307 and the chain 303; when the main shaft 201 rotates, the buffer roller 205 fixedly connected with it also rotates; the material falls into the arc-shaped groove 203 opened on the outer circular side of the buffer roller 205; with the rotation of the buffer roller 205, the material in the arc-shaped groove 203 is transported to the bottom position; the material can fall into the spiral conveying structure 3; in the spiral conveying structure 3, the rotation of the conveying shaft 304 drives the spiral blade 308 fixedly sleeved on the outer side wall thereof to rotate; the rotary motion of the spiral blade 308 drives the material in the conveying cylinder 301 to move axially, realizing the continuous conveying from the feeding bin 1 to the bottom discharging channel 306; in addition, the tensioning structure 4 adjusts the sliding distance of the sliding block 402 between the upper clamping plate 406 and the lower clamping plate 407, thereby adjusting the meshing degree between the tensioning wheel 404 and the chain 303, realizing the tensioning adjustment of the chain 303; this guarantees the transmission efficiency of the chain 303 and avoids the noise and abrasion caused by loosening.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes-modifications-replacements and variations of the embodiments can be made by those skilled in the art without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stockpile buffer feed bin comprising a feed bin (1), characterised in that, The bottom of the feeding bin (1) is provided with a buffer structure (2), the buffer structure (2) comprises a buffer roller (205), the bottom of the feeding bin (1) is provided with two buffer rollers (205) arranged in parallel, the two ends of the buffer roller (205) are fixedly connected with main shafts (201), the main shafts (201) are rotatably connected with the adjacent side surfaces of the feeding bin (1), a plurality of arc-shaped grooves (203) are arranged in the outer circular side surface of the buffer roller (205) in an annular manner, two first guide plates (202) are fixedly installed at the center position of the bottom of the feeding bin (1), the second guide plates (204) are fixedly connected with the side surfaces of the bottom of the feeding bin (1), and the adjacent first guide plates (202) and the second guide plates (204) are symmetrically arranged about the buffer roller (205); the bottom of the buffer structure (2) is provided with a spiral conveying structure (3).

2. A surge bin according to claim 1, wherein: The spiral conveying structure (3) comprises conveying barrels (301), two conveying barrels (301) are arranged side by side and in parallel, one end of the conveying barrel (301) is in communication with the bottom of the feeding bin (1), the other end of the conveying barrel (301) is communicated with a discharging channel (306), a plurality of support rods (305) are fixedly connected with the outer side surface of the bottom of the conveying barrel (301), a conveying shaft (304) is arranged at the center position of the inner bottom of the conveying barrel (301), the two ends of the conveying shaft (304) are rotatably connected with the two end surfaces of the conveying barrel (301), and a spiral blade (308) is fixedly sleeved with the outer side wall of the conveying shaft (304).

3. A surge bin according to claim 1, wherein: The adjacent side surfaces of the first guide plate (202) and the second guide plate (204) are provided with arc-shaped notches, and the outer circular side surface of the buffer roller (205) is matched with the arc-shaped notches.

4. A surge bin according to claim 2, wherein: One end of the conveying shaft (304) rotatably penetrates through the side surface of the conveying barrel (301), and a sprocket (307) is connected with the penetrating end, the adjacent main shaft (201) rotatably penetrates through the side surface of the feeding bin (1), and a sprocket (307) is connected with the penetrating end, the two vertical sprockets (307) are drivingly connected through a chain (303), two motors (302) are installed at the bottom position of the other side surface of the feeding bin (1), the output end of the motor (302) rotatably penetrates through the side surface of the feeding bin (1), and the penetrating end is fixedly connected with the adjacent main shaft (201).

5. A surge bin according to claim 4, wherein: The feeding bin (1) is provided with a tensioning structure (4) on the side surface of the chain (303), the tensioning structure (4) comprises a tensioning wheel (404), an upper clamping plate (406) and a lower clamping plate (407), the upper clamping plate (406) and the lower clamping plate (407) are fixedly connected with the outer side surface of the feeding bin (1) and arranged in parallel, the upper clamping plate (406) and the lower clamping plate (407) are slidingly provided with sliding blocks (402), the front end surface of the sliding block (402) is rotatably connected with the tensioning wheel (404) through a support shaft (403), the tensioning wheel (404) is engaged with the chain (303), and the front end surface of the sliding block (402) is threadedly connected with a pressing bolt (401).

6. A surge bin according to claim 5, wherein: The bottom of the upper clamping plate (406) is provided with a sliding groove (405), and the top of the sliding block (402) is fixedly connected with a matched sliding plate.

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