Stock bin discharging device
By designing the shaker and discharge screw in the silo unloading device, the problems of silo blockage and bridging were solved, and the continuous stratified output of materials was realized, improving the stability and efficiency of the pulping process.
Patent Information
- Application Number
- CN202520431948.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-12
AI Technical Summary
During the unloading process, material silos are prone to blockage, sticking to the walls, and bridging, resulting in poor material flow performance and affecting the normal operation and efficiency of the pulping process.
A material unloading device for a silo was designed, including a shaker, a discharge chute, a discharge screw, a shaking plate, and a permanent magnet motor. The rotating shaft drives the paddle and rollers to shake the material. Combined with the conical material distribution block and the conical cover, it ensures continuous layered output of material and avoids blockage and dead corners.
It enables continuous stratified output of materials, avoids blockages and dead zones, ensures long-term stable operation of the pulping process, and improves the efficiency of pulping.
Smart Images
Figure CN223751591U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wood pulping, in particular to a stock bin unloading device. BACKGROUND
[0002] The stock bin unloading machine is one of the key equipment of the pulping process, and the stock bin unloading machine comprises a stock bin and a discharge device at the bottom, the stock bin is an important place for wood chips to be pre-steamed and softened or to be chemically pulped, and provides a place for material to stay and react, due to the physical flowability of the powder, the powder will change in a large span during actual storage and unloading.
[0003] When the wood pulp has relatively large viscosity or relatively large volume, blocky materials are prone to blockage, wall sticking and arching, which seriously affects the flow performance of the materials, and further causes the stock bin to be unable to operate normally, thereby directly affecting the subsequent pulping process and quality; and the traditional manual poking cleaning method is time-consuming and labor-intensive, and has high labor intensity, which reduces the pulping efficiency to a certain extent. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a stock bin unloading device, solving the problem of discontinuous or blocked stock bin, ensuring the long-term stable operation of the subsequent pulping process, and improving the pulping efficiency.
[0005] The utility model realizes the above-mentioned purpose through the following technical scheme:
[0006] A stock bin unloading device comprises a shaking device arranged on a stock bin discharge port, the bottom of the stock bin is symmetrically provided with a discharge chute, a discharge screw is rotatably connected to the discharge chute, a plurality of discharge ports are arranged on the discharge port and are in communication with one end of the discharge chute, the other end of the discharge chute is provided with a discharge port, the shaking device comprises a rotating shaft rotatably connected to the discharge port, and a plurality of stirring blocks are arranged on the rotating shaft.
[0007] Further, the top of the rotating shaft is provided with a conical distribution block.
[0008] Further, a plurality of shaking plates are rotatably connected to the discharge port, a plurality of vertical rods are arranged on the rotating shaft, the end of the vertical rod is rotatably connected with a roller, the roller is in contact with the plurality of shaking plates in sequence, and the plurality of driving shaking plates reciprocate on the stock bin.
[0009] Further, the end of the discharge port is provided with a conical cone cover.
[0010] Further, the discharge screw is a variable-diameter screw, and the pitch gradually increases from small to large.
[0011] Further, the discharge slot is provided with a plurality of filtrate openings, the filtrate openings are provided with sieve plates, and the sieve plates are provided with a plurality of filter holes communicating with the discharge slot.
[0012] Further, the bottom of the stock bin is provided with a permanent magnet motor, the movable end of the permanent magnet motor is provided with an eccentric wheel, and the eccentric wheel is connected with the rotating shaft.
[0013] Further, the discharge slot is provided with a driving motor, and the movable end of the driving motor is connected with the discharge screw.
[0014] Compared with the prior art, the beneficial effects of the utility model lie in:
[0015] 1. By rotating the rotating shaft at the discharge port, a plurality of the driving blocks provided on the rotating shaft are driven to rotate, so that the driving blocks are in contact with the materials, the materials are prevented from staying at one place for a long time and being accumulated into blocks, the materials are smoothly discharged into the discharge slot from the discharge port, the materials are moved from one end of the discharge slot to the discharge port provided at the other end of the discharge slot by the discharge screw, the materials are continuously and layer by layer discharged, the subsequent pulping process is stably performed for a long time, and the pulping work efficiency is improved.
[0016] 2. The materials first fall on the conical material distributing blocks provided at the top of the rotating shaft, the impact force generated by the contact between the conical material distributing blocks and the materials breaks the large materials into a plurality of small materials, the materials are conveniently discharged from the stock bin, the subsequent pulping process is stably performed for a long time, and the pulping work efficiency is improved.
[0017] 3. The eccentric wheel is driven to rotate by the permanent magnet motor, the rotating shaft is driven to eccentrically rotate by the eccentric wheel, the shaking generated by the eccentric rotation of the rotating shaft better enables the materials to fall, the materials are continuously and layer by layer discharged, the pulping work efficiency is improved, the rollers provided at the end of the vertical rod are driven to move by the rotating shaft when the rotating shaft rotates at the discharge port, the rollers are in turn in contact with the bottoms of the corresponding shaking plates, the shaking plates are driven to move upward by the generated component forces, the shaking plates fall and reset under the gravity of the materials and the shaking plates when the rollers slide off the shaking plates, a plurality of the shaking plates are driven to reciprocatingly shake by repeating the above steps for a plurality of times, the materials on the shaking plates are continuously shaken, the materials are conveniently discharged from the stock bin, the subsequent pulping process is stably performed for a long time, and the pulping work efficiency is improved.
[0018] 4. The materials on the two sides are collected and dropped into the discharge port by the conical cover, the dead angle of the stock bin is avoided, the peripheral materials are prevented from not being timely discharged, and the pulping work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] ATTACHMENT Figure 1 It is a structural schematic view of the discharge slot of the utility model.
[0020] Appendix Figure 2 This is a schematic diagram of the structure of the rotating shaft of this utility model.
[0021] Appendix Figure 3 This is a schematic diagram of the structure of the toggle block of this utility model.
[0022] Appendix Figure 4 This is a schematic diagram of the structure of the shaking plate of this utility model.
[0023] Appendix Figure 5 This is an appendix to the utility model Figure 1 A magnified view of part A in the middle.
[0024] The labels shown in the attached diagram:
[0025] 1. Hopper; 2. Discharge port; 3. Discharge chute; 4. Discharge screw; 5. Drop port; 6. Discharge outlet; 7. Rotating shaft; 8. Pulley; 9. Conical dividing block; 10. Shaking plate; 11. Upright pole; 12. Roller; 13. Conical cover; 14. Filter outlet; 15. Screen plate; 16. Filter holes; 17. Permanent magnet motor; 18. Eccentric wheel; 19. Drive motor. Detailed Implementation
[0026] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.
[0027] A hopper unloading device, such as Figures 1-3 As shown, the device includes a shaker installed on the discharge port 2 of the silo 1. The bottom of the silo 1 is symmetrically provided with a discharge trough 3. A discharge screw 4 is rotatably connected to the discharge trough 3. The discharge port 2 is provided with several drop ports 5 connected to one end of the discharge trough 3. The other end of the discharge trough 3 is provided with a discharge port 6. The discharge screw 4 drives the material from one end of the discharge trough 3 to the discharge port 6 at the other end of the discharge trough 3, so that the material is continuously output in layers, ensuring the stable operation of the subsequent pulping process for a long time, thereby improving the pulping efficiency. The shaker includes a rotating shaft 7 rotatably connected to the discharge port 2. The rotating shaft 7 is provided with several levers 8. By rotating the rotating shaft 7 at the discharge port 2, the levers 8 on the rotating shaft 7 are driven to rotate together, so that the levers 8 come into contact with the material, avoiding the material from staying in one place for a long time, causing the material to bridge and accumulate into clumps, so that the material is smoothly discharged from the drop port 5 into the discharge trough 3.
[0028] Preferred, such as Figure 1 , Figure 2 and Figure 3As shown, the top of the rotating shaft 7 is provided with a conical distribution block 9, which is in contact with the material, and the impact force generated by the conical distribution block 9 breaks the large material into small pieces, facilitating the subsequent discharge of the material from the bin 1, further ensuring the long-term stable operation of the subsequent pulping process, and improving the work efficiency of pulping.
[0029] Preferably, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the discharge port 2 is rotatably connected to a plurality of shaking plates 10, a plurality of vertical rods 11 are arranged on the rotating shaft 7, the end of the vertical rod 11 is rotatably connected to a roller 12, the roller 12 is in contact with the plurality of shaking plates 10 in turn and drives the plurality of shaking plates 10 to reciprocate on the bin 1 respectively, when the rotating shaft 7 rotates at the discharge port 2, the roller 12 at the end of the vertical rod 11 moves together, and through the roller 12, the bottom of the corresponding shaking plate 10 is in contact in turn, and the resulting component force drives the shaking plate 10 to move upward, when the roller 12 slides off the shaking plate 10, under the action of the gravity of the material and the shaking plate 10 itself, the shaking plate 10 falls back to its original position, and the above steps are repeated several times, which will in turn drive the plurality of shaking plates 10 to reciprocate, and the material on the shaking plate 10 is constantly shaken, facilitating the subsequent discharge of the material from the bin 1, further ensuring the long-term stable operation of the subsequent pulping process, and improving the work efficiency of pulping.
[0030] Preferably, as shown in Figure 1 and Figure 2 , the end of the discharge port 2 is provided with a conical cone cover 13, so that the materials on both sides are collected and fall into the discharge port 5, and at the same time, the dead angle of the bin 1 is avoided, which causes the peripheral material to be unable to be discharged in time, thereby improving the work efficiency of pulping.
[0031] Preferably, as shown in Figure 1 , the discharge screw 4 is arranged as a variable diameter screw, and the pitch gradually increases from small to large, which ensures uniform material conveying, prevents the screw from being blocked, and reduces the discharge pulse.
[0032] Preferably, as shown in Figure 1 and Figure 5 , a plurality of filtrate ports 14 are arranged on the discharge chute 3, a sieve plate 15 is arranged at the filtrate port 14, and a plurality of filter holes 16 are arranged on the sieve plate 15 and communicate with the discharge chute 3, so as to discharge the excess liquid or condensed water in the material, ensure the long-term stable operation of the subsequent pulping process, and improve the work efficiency of pulping.
[0033] Preferably, as shown in Figure 2As shown, the bottom of the bunker 1 is provided with a permanent magnet motor 17, the movable end of the permanent magnet motor 17 is provided with an eccentric wheel 18, the eccentric wheel 18 is connected with the rotating shaft 7, the permanent magnet motor 17 provides power for the rotation of the eccentric wheel 18, at the same time, the eccentric wheel 18 drives the eccentric rotation of the rotating shaft 7, the generated shaking can better make the material fall, further make the material continuous layered output, improve the working efficiency of pulping.
[0034] Preferably, as Figure 1 As shown, the discharge chute 3 is provided with a driving motor 19, the movable end of the driving motor 19 is connected with the discharge screw 4, and power is provided for the rotation of the discharge screw 4.
[0035] Example 1
[0036] The utility model provides a bunker unloading device, like Figures 1-3 As shown, in the unloading process, the rotating shaft 7 is rotated at the unloading port 2, drives the several prongs 8 provided on the rotating shaft 7 to rotate together, makes the prong 8 contact with the material, avoids the material staying in one place for a long time, causes the material to bridge and accumulate into a block, so that the material is smoothly discharged into the discharge chute 3 from the dropping port 5, and the material is moved from one end of the discharge chute 3 to the discharge port 6 provided at the other end of the discharge chute 3 by the discharge screw 4, so that the material is continuously layered output, ensures that the subsequent pulping process is stably carried out for a long time, so as to improve the working efficiency of pulping.
[0037] Example 2
[0038] Based on example 1, as Figures 1-4 As shown, in the unloading process, the material first falls on the conical material distributing block 9 provided at the top of the rotating shaft 7, the conical material distributing block 9 contacts with the material, the impact force generated breaks the large material into several small materials, which is convenient for the subsequent material to be discharged from the bunker 1, further ensures that the subsequent pulping process is stably carried out for a long time, improves the working efficiency of pulping.
[0039] Then the permanent magnet motor 17 provides power for the rotation of the eccentric wheel 18, at the same time, the eccentric wheel 18 drives the eccentric rotation of the rotating shaft 7, the generated shaking can better make the material fall, further make the material continuous layered output, improve the working efficiency of pulping; at the same time, when the rotating shaft 7 rotates at the unloading port 2, the roller 12 provided at the end of the vertical rod 11 moves together, and the roller 12 sequentially contacts with the bottom of the corresponding shaking plate 10, drives the shaking plate 10 to move upward, when the roller 12 slides off the shaking plate 10, under the action of the gravity of the material and the shaking plate 10 itself, the shaking plate 10 falls and resets, the above steps are repeated for several times, which will sequentially drive the several shaking plates 10 to reciprocate, constantly shakes the material on the shaking plate 10, which is convenient for the subsequent material to be discharged from the bunker 1, further ensures that the subsequent pulping process is stably carried out for a long time, improves the working efficiency of pulping.
[0040] Then through the tapered cone cover 13, so that both sides of the material gathered into the drop port 5, while avoiding the bunker 1 dead angle, resulting in peripheral material can not be timely output, thereby improving the work efficiency of pulping.
[0041] Example 3
[0042] Based on example 1, as shown in Figure 1 and Figure 5 After the material falls on the discharge chute 3, the discharge screw 4 is driven by the driving motor 19 to rotate, so that the material gradually moves on the discharge chute 3 until it moves to the discharge port 6, thereby discharging the bunker 1, and the discharge screw 4 is provided as a variable diameter screw, and the pitch gradually increases from small to large, which ensures uniform material conveying, prevents screw jamming, and reduces the material dropping pulse;
[0043] In addition, a plurality of filtrate ports 14 are provided on the discharge chute 3, and a sieve plate 15 is provided at the filtrate port 14 to avoid material being discharged therefrom, and a plurality of filter holes 16 are provided on the sieve plate 15 to discharge excess liquid or condensed water from the discharged material, thereby avoiding its influence on the subsequent process and improving the work efficiency of pulping.
Claims
1. A silo unloading apparatus comprising a rattle chute arranged at a discharge opening (2) of a silo (1), characterized in that: The bottom of the bin (1) is symmetrically provided with a discharge chute (3), the discharge chute (3) is rotatably connected with a discharge screw (4), the discharge port (2) is provided with a plurality of drop ports (5) in communication with one end of the discharge chute (3), the other end of the discharge chute (3) is provided with a discharge port (6), the duster includes a rotating shaft (7) rotatably connected at the discharge port (2), and the rotating shaft (7) is provided with a plurality of stirring blocks (8).
2. A bin unloading device according to claim 1, characterized in that: The top of the rotating shaft (7) is provided with a conical distribution block (9).
3. A bin unloading device according to claim 1, characterized in that: A plurality of shaking plates (10) are rotatably connected at the discharge port (2), a plurality of vertical rods (11) are provided on the rotating shaft (7), the end of the vertical rod (11) is rotatably connected with a roller (12), the roller (12) sequentially contacts with a plurality of shaking plates (10) and drives a plurality of shaking plates (10) to reciprocatingly swing on the bin (1) respectively.
4. A bin unloading device according to claim 1, characterized in that: The end of the discharge port (2) is provided with a conical cone cover (13).
5. A bin unloading device according to claim 1, wherein: The discharge screw (4) is arranged as a variable diameter screw, and the pitch gradually increases from small to large.
6. A bin unloading device according to claim 1, characterized in that: A plurality of filtrate ports (14) are provided on the discharge chute (3), a sieve plate (15) is provided at the filtrate port (14), and a plurality of filter holes (16) in communication with the discharge chute (3) are provided on the sieve plate (15).
7. A bin unloading device according to claim 1, wherein: The bottom of the bin (1) is provided with a permanent magnet motor (17), the movable end of the permanent magnet motor (17) is provided with an eccentric wheel (18), and the eccentric wheel (18) is connected with the rotating shaft (7).
8. A bin unloading apparatus according to claim 1, wherein: A driving motor (19) is provided on the discharge chute (3), and the movable end of the driving motor (19) is connected with the discharge screw (4).