A bucket elevator for producing silicon micro-powder
By introducing structures such as feed rods, baffles, guide plates, and vibrating blocks into the bucket elevator, the problems of powder spillage and material accumulation have been solved, achieving quantitative discharge and efficient conveying, thereby improving the efficiency of silicon micropowder production and the service life of the machinery.
Patent Information
- Application Number
- CN202511852366.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2045-12-10
AI Technical Summary
Existing bucket elevators have problems such as powder spillage and incomplete material discharge leading to accumulation during silicon micron powder production, which affect production efficiency and machine life.
A bucket elevator structure with a feed rod, baffle, guide plate and vibrating block was designed. The feed rod and the feeding part cooperate to achieve quantitative discharge, the vibrating block promotes material discharge, the guide plate reduces loss, and the return gear ensures normal operation of the bucket.
It effectively reduces powder spillage and material accumulation, improves production efficiency and machine lifespan, and reduces losses in silicon micropowder production.
Smart Images
Figure CN121292018B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of bucket elevator for producing silicon powder, in particular to a bucket elevator for producing silicon powder. BACKGROUND
[0002] The silicon powder is a silicate mineral powder made of natural quartz as raw material through processes such as sorting, crushing, washing, and acid leaching purification, and is widely used in more than 20 fields such as glass, ceramic glaze, building concrete, and electronic packaging glue. The core goal of silicon powder production is "purification" and "fineness", mainly including crushing, grinding, grading, purification, drying, and packaging steps, and the bucket elevator is needed for conveying between different steps.
[0003] The bucket elevator is a continuous conveying machine for vertically lifting materials by using a series of hoppers uniformly connected to an endless traction member, and is suitable for lifting from low to high. The machine automatically and continuously operates to transport upward after the supply material is thrown into the hopper by the vibrating table.
[0004] The existing bucket elevator cannot coincide with the upper and lower ends of the inlet, outlet, and hopper in actual use, and the powder is light in quality and prone to material escape, which increases production loss. At the same time, due to the uncontrollable feeding rate, the material in the hopper is prone to be too much, which is not convenient for material discharge, is prone to cause material overflow and accumulation in the machine, increases the pressure of the hopper, and affects the service life, which affects the production of silicon powder. SUMMARY
[0005] In view of the deficiencies of the existing bucket elevator for producing silicon powder in the background art, the present application provides a bucket elevator for producing silicon powder, which has the advantages of low powder loss, low mechanical loss, and high silicon powder production efficiency, and solves the technical problems of powder escape and incomplete material discharge causing material accumulation in the machine during the production of silicon powder.
[0006] The present application provides the following technical solution: a bucket elevator for producing silicon powder, comprising a shell, a transmission mechanism and a track are installed inside the shell, the transmission mechanism is connected with an external power supply and is driven, a hopper is connected to the outside of the transmission mechanism by a belt, and a feeding part is arranged at the lower position of the side surface of the shell, and a discharge plate is installed at the upper position of the side surface of the other surface of the shell.
[0007] Preferably, the transmission mechanism is connected with a plurality of slots on the outside, the slots are uniformly distributed, and the internal cross section of the slot is a "convex" structure.
[0008] Preferably, the track connection is installed on the inner wall of the shell, and a sliding groove is formed on the track, the sliding groove is parallel to the moving direction of the conveying belt outside the transmission mechanism, the track is provided with a vibrating block on one side of the sliding groove at a position above the discharge plate, the vibrating block is uniformly distributed, and the track is provided with a tooth block connected to the track at a position on one side below the discharge plate, and the tooth block is provided with a sawtooth on the side facing the sliding groove.
[0009] Preferably, the rear side of the hopper is connected with a plug block, the plug block is movably inserted into the slot, and the width of the plug block is smaller than the width of the slot. The two sides of the hopper are symmetrically connected with limiting parts, the limiting parts are movably clamped in the sliding groove, the inner side of the limiting part is connected with a spring block through a spring, and the spring block is movably sleeved on the limiting part. In the natural state, the spring block makes the hopper located in the middle of the slot.
[0010] Preferably, the hopper is a semicircular structure, the center of the outer end of the hopper is connected with a material rod through a torsion shaft, the outer end of the material rod is a straight plate structure, the material rod is connected with a isolation cover at a position on the top of the hopper, the isolation cover is made of soft material, the material rod is divided into upper and lower ends, when the lower end of the material rod is above the hopper, the isolation cover is in a folded and stored state, and at the same time, the material rod extends the top inlet of the hopper, at this time, the material rod overlaps with the bottom outlet of the feeding part, when the lower end of the material rod is deflected below the hopper, the isolation cover is in an extended state and covers above the hopper, and the outer end of the center damping shaft of the material rod is connected with a homing gear, the homing gear can engage with the tooth block, and when the hopper moves along the tooth block, the isolation cover can be retracted.
[0011] Preferably, the inside of the feeding part is connected with a discharge bar, the discharge bar is a horizontal bar structure, the inside of the discharge bar is provided with a baffle movably inserted into the feeding part, the bottom of the baffle is connected with the bottom of the feeding part through a spring, the side structure of the baffle in contact with the discharge bar is the same as that of the discharge bar and coincides with the discharge bar in the natural state of the spring, and the position where the baffle is inserted into the feeding part is sealingly connected by a soft material, the end of the baffle at the bottom outlet of the feeding part is closed in the natural state of the spring, a discharge port is formed below the side part of the feeding part closed by the baffle, and the spring force required for the connecting spring of the feeding part to contract is smaller than the damping of the material rod connecting shaft, that is, after the material rod contacts the feeding part, the baffle is first moved upward, and then the material rod is deflected.
[0012] Preferably, the side of the discharge plate close to the hopper is movably connected with a guide plate through a torsion spring shaft, the guide plate is above the discharge plate in the natural state, and the position where the guide plate contacts the discharge plate is connected with a leakage prevention plate, the leakage prevention plate is a rubber plate that can deform.
[0013] Preferably, a discharge block is connected to the outside of the hopper. The outer end of the discharge block has an arc-shaped structure, and the arc-shaped structure of the outer end of the discharge block can coincide with the outer end of the vibrating block when the spring block is in its natural state. This allows the hopper to vibrate left and right when it reaches the position of the vibrating block, making it convenient for the material to be discharged from the discharge plate.
[0014] The present invention has the following beneficial effects:
[0015] 1. This invention, by setting the feed rod to coincide with the bottom outlet of the feed section, can achieve a guiding effect, reducing the problem of powder spillage. At the same time, through the cooperation of the feed rod and the baffle, it can achieve a single quantitative discharge effect, thereby avoiding the problem of the amount of material entering the hopper being difficult to control, reducing the burden on the hopper, and also avoiding the waste of powder during the blank period when adjacent hoppers cannot be connected, reducing losses in the silicon micro powder production process and improving production efficiency.
[0016] 2. This invention, by setting a spring block on the limiting part and cooperating with the discharge block and the vibration block, can cause the hopper to vibrate left and right when it moves above the discharge plate, thereby promoting the discharge of material from the discharge plate. At the same time, the movable guide plate can play a guiding role, which can reduce loss without affecting the normal operation of the hopper and avoid the problem of material residue inside the hopper. In addition, the isolation cover can also accelerate the discharge of material and reduce material loss, which is beneficial to the production of silicon micro powder.
[0017] 3. This invention enables the automatic return of the material rod through the cooperation of the return gear and the tooth block, thereby allowing the bucket to re-cooperate with the feeding part to realize the material transfer function. This ensures that the bucket elevator can perform the corresponding operation in a normal function, reduces the loss in the silicon micro powder production process while ensuring the normal operation of the bucket elevator, thereby improving the working efficiency and quality of the bucket elevator in the silicon micro powder production process. Attached Figure Description
[0018] Figure 1 A schematic diagram of the overall structure of the invention;
[0019] Figure 2 This is a partial cross-sectional structural diagram of the internal structure of the present invention;
[0020] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A;
[0021] Figure 4 For the present invention Figure 2 Enlarged structural diagram at point B;
[0022] Figure 5 This is a side view of a partial cross-section of the present invention;
[0023] Figure 6 For the application Figure 5 Enlarged structure diagram at C in the application
[0024] Figure 7 Structure diagram of the hopper in the application.
[0025] In the figure: 1, the shell; 2, the hopper; 21, the material rod; 211, the isolation cover; 22, the discharge block; 23, the limiting part; 231, the spring block; 24, the plug block; 25, the homing gear; 3, the feeding part; 31, the discharge column; 32, the baffle; 321, the discharge port; 4, the transmission mechanism; 41, the plug slot; 5, the track; 51, the tooth block; 52, the vibration block; 53, the chute; 6, the discharge plate; 61, the guide plate; 611, the leakage prevention plate. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.
[0027] Please refer to Figures 1-2 A hopper type elevator for producing silicon powder, comprising a shell 1, a transmission mechanism 4 and a track 5 are installed inside the shell 1, the transmission mechanism 4 is connected with an external power supply, realizing the driving of the elevator during work, a conveying belt is connected with a hopper 2 outside the transmission mechanism 4, both ends of the hopper 2 are movably clamped in the track 5, so that the hopper 2 can move along the track 5 during work of the transmission mechanism 4, a feeding part 3 and a discharge plate 6 are arranged on the left and right sides of the shell 1, materials enter the hopper 2 from the feeding part 3 and are discharged from the discharge plate 6, realizing the conveying function of the hopper type elevator, the working principle of the hopper type elevator is prior art, so it will not be described in detail; please refer to Figure 7, the hopper 2 is a semi-circular structure, the center of the two sides of the hopper 2 is connected with a material rod 21 through a damping shaft, the top of the material rod 21 is connected with the top of the hopper 2 through a isolation cover 211, the isolation cover 211 is a soft material which is not transparent to air, and can be unfolded and folded with the movement of the material rod 21, and at the same time, when the transmission mechanism 4 gradually approaches the feeding part 3 from below, the material rod 21 is in a folded state, that is, the outer end of the material rod 21 coincides with the bottom of the feeding part 3, so that the powdery material in the production process of the silicon powder can enter the hopper 2 along the material rod 21, reducing the material loss problem, and when the material rod 21 contacts the bottom of the feeding part 3, the material rod 21 is deflected by the pressure of the feeding part 3, so that the isolation cover 211 at the top of the material rod 21 is unfolded, realizing the semi-closed top of the hopper 2, thereby reducing the loss of material conveying process, and also facilitating the discharge of the material.
[0028] Please refer to Figure 3 , the inside of the feeding part 3 is connected with a discharging column 31, the discharging column 31 does not affect the feeding of the feeding part 3, the inside of the discharging column 31 is also movably connected with a baffle 32 at the bottom outlet of the feeding part 3, the bottom of the baffle 32 is movably connected with the bottom of the feeding part 3 through a spring, the right side structure of the baffle 32 is the same as that of the discharging column 31, and in a natural state, the openings of the contact parts of the baffle 32 and the discharging column 31 coincide, so that the external material can normally enter the feeding part 3, at this time, the left side of the baffle 32 closes the inlet of the discharging column 31, and the damping of the damping shaft of the material rod 21 is greater than the elastic force required for the deformation of the spring connected at the bottom of the baffle 32, when the material rod 21 contacts the baffle 32, the baffle 32 is pressed and moves upward, so that the discharging port 321 formed in the lower side of the baffle 32 coincides with the outlet of the feeding part 3, and at the same time, the baffle 32 is dislocated with the discharging column 31 on the right side, which closes the discharging column 31, at this time, the material between the baffle 32 and the discharging column 31 enters the hopper 2 under the action of gravity, realizing quantitative feeding, avoiding the problems of material overflow and high pressure on the hopper which are easily caused by the uncontrolled feeding rate of the traditional bucket elevator, and after the material between the baffle 32 and the discharging column 31 is discharged, the baffle 32 restores to the original position until the material rod 21 moves away from the feeding part 3, at this time, the baffle 32 re-closes the outlet of the feeding part 3 until the next hopper 2 approaches the feeding part 3, which can greatly avoid the problem that the adjacent hoppers of the traditional bucket elevator also feed during the blank period, reducing material loss and improving the production capacity of the silicon powder production line.
[0029] Please refer to Figures 4-6 , the side of the discharging plate 6 close to the hopper 2 is movably connected with a guide plate 61, the guide plate 61 is connected with the two sides of the discharging plate 6 through a torsion spring shaft, in a natural state, the guide plate 61 coincides with the bottom outlet of the hopper 2 close to the discharging plate 6, which can play a guiding effect, greatly reducing material loss, and the guide plate 61 is movably connected, which can be deflected downward under the pressure of the hopper 2, without affecting the movement of the hopper 2; please refer to Figure 7, the outer side of the hopper 2 is connected with a discharge block 22, the outer end of the discharge block 22 is a circular arc structure, both ends of the hopper 2 are symmetrically connected with limiting parts 23, see Figure 2 , the track 5 is provided with a sliding groove 53, the limiting part 23 is movably inserted into the vibration block 52, and the limiting part 23 is movably connected with a spring block 231 through a spring, the spring block 231 maintains the balance of the hopper 2 in the left and right positions inside the shell 1 in a natural state, and the outer side of the transmission mechanism 4 is provided with a plurality of uniformly distributed insertion grooves 41, see Figure 4 , the rear side of the hopper 2 is connected with an insertion block 24, the insertion block 24 is movably inserted into the insertion groove 41, and the width inside the insertion groove 41 is greater than the outer width of the insertion block 24, the inner side of the track 5 is connected with a plurality of vibration blocks 52 opposite to the discharge block 22, the vibration blocks 52 are uniformly distributed, and the vibration blocks 52 are located above the discharge plate 6, when the discharge block 22 passes through the vibration block 52, the hopper 2 is in an inverted state, and the material inside the hopper 2 falls on the discharge plate 6 to realize discharge, and when the discharge block 22 passes through the vibration block 52, the discharge block 22 overlaps with the arc-shaped part of the outer end of the vibration block 52, the discharge block 22 is subjected to the pressure of the vibration block 52, and under the cooperation of the spring block 231, the left and right vibrations of the hopper 2 are realized, so as to promote the discharge of the material inside the hopper 2, greatly reduce the problem of material remaining inside the hopper 2, and improve the conveying efficiency of the bucket elevator in the production of silicon powder.
[0030] Please refer to Figure 2 , the bottom of the track 5 is connected with a tooth block 51, the tooth block 51 is located on one side of the sliding groove 53, when the material inside the hopper 2 is discharged from the discharge plate 6 and continues to move downward along the track 5, see Figure 7 , the outer end of the connecting shaft on both sides of the material rod 21 is connected with a homing gear 25, the homing gear 25 will engage with the tooth block 51 after the hopper 2 moves to the position of the tooth block 51, so that the homing gear 25 is deflected under the action of the tooth block 51, so that the isolation cover 211 is retracted, and the material rod 21 returns to the initial position, so that the material rod 21 can cooperate with the feeding part 3 again to realize the receiving function of the material, and realize the circulation work of the hopper 2 inside the bucket elevator.
[0031] Please refer to Figure 2, through the cooperation of the material rod 21 and the baffle 32, the effect of fixed-point and fixed-quantity discharging can be realized, the loss of materials in the production process of silicon powder is reduced, and the problems of overflow caused by too much material in the hopper 2 or too large pressure borne by the hopper 2 are avoided, the loss of materials and mechanical parts is reduced; and the damping of the material rod 21 connecting shaft is set to be greater than the elastic force of the baffle 32 connecting spring, so that the pressure of the material rod 21 on the baffle 32 is ensured to make the baffle 32 move upwards and realize the discharging of the feeding part 3, and through the cooperation of the material rod 21, the flow guiding effect can be achieved, the problem of powder escaping is reduced, and with the help of the pressure of the feeding part 3 on the material rod 21, the material rod 21 is deflected under pressure, so that the isolation cover 211 covers the upper part of the hopper 2, the problems of contact and escaping of powder during transportation are reduced, and when the hopper 2 moves along the track 5 and turns over, the flow guiding effect on material discharge can also be achieved, and through the cooperation of the flow guide plate 61, the powder is conveniently unloaded, the problem of easy accumulation of materials in the machine is greatly improved, the loss in the production process of silicon powder is reduced, and the working efficiency and quality of the elevator in the production process of silicon powder are improved.
[0032] The use method of the present application is as follows: the bucket elevator is installed at the corresponding position of the silicon powder production line according to the existing production requirements, so that the feeding part 3 and the discharge plate 6 are well connected with part of the other production line, the power supply is connected and the setting is completed, and then the bucket elevator is put into use, the transmission mechanism 4 starts to work, the outer conveying belt is driven to move at a constant speed, and the feeding part 3 is driven to move along the track 5 at a constant speed. Figure 2The material hopper 2 moves in the counterclockwise direction, so that the material hopper 2 approaches the feeding part 3 from the bottom of the feeding part 3, and the external material directly enters the feeding part 3 and is blocked by the baffle 32 through the discharge column 31. When the material hopper 2 gradually approaches the feeding part 3, the material rod 21 first contacts the baffle 32 and generates an upward pressure on the baffle 32, so that the baffle 32 moves upward to close the discharge column 31, and the powder material defined in the baffle 32 enters the material hopper 2 through the discharge port 321 along the material rod 21. The material rod 21 deflects to the bottom of the material hopper 2 with the movement of the material hopper 2, so that the isolation cover 211 covers the top of the material hopper 2. When the material hopper 2 leaves the feeding part 3, the baffle 32 returns to the original position, and the discharge column 31 is connected to make the material enter the range of the baffle 32, and the baffle 32 blocks the outlet at the bottom of the feeding part 3 until the next material hopper 2 approaches the feeding part 3. The material hopper 2 loaded with powder material moves along the chute 53 under the action of the transmission mechanism 4. When the material hopper 2 moves along the transmission mechanism 4 and turns over to above the discharge plate 6, the discharge block 22 contacts the vibration block 52, so that the material hopper 2 is pressed and left-right vibration of the material hopper 2 is realized under the action of the spring block 231, so that the powder material in the material hopper 2 accelerates to enter the discharge plate 6 and is discharged from the discharge plate 6 along the guide plate 61. After the powder material in the material hopper 2 is discharged, the material hopper 2 approaches the guide plate 61, the guide plate 61 is deflected downward under pressure and moves the material hopper 2 to below the discharge plate 6. At this time, the guide plate 61 returns to the original position. When the material hopper 2 continues to move to the position of the tooth block 51, the tooth block 51 and the homing gear 25 are engaged, the homing gear 25 rotates along the tooth block 51 and makes the material rod 21 return to the original position, and continues to pass through the feeding part 3 to realize the material conveying function.
[0033] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0034] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A bucket elevator for producing silicon micro-powder, comprising a shell (1), a transmission mechanism (4) and a track (5) are installed inside the shell (1), the transmission mechanism (4) is connected with an external power source and is driven, characterized in that: The outer side of the transmission mechanism (4) is connected with the slot (41), the slot (41) has multiple uniform distribution, the internal section of the slot (41) is "convex" structure, the outer side of the transmission mechanism (4) is connected with the hopper (2), the rear side of the hopper (2) is connected with the plug-in block (24), the plug-in block (24) is movably inserted in the slot (41), and the width of the plug-in block (24) is less than the width of the internal slot (41), the both sides of the hopper (2) are symmetrically connected with the limiting portion (23), the limiting portion (23) is movably clamped in the sliding groove (53), the inner side of the limiting portion (23) is connected with the spring block (231) through the spring, the spring block (231) is movably sleeved on the limiting portion (23), and the spring block (231) makes the hopper (2) located in the middle of the slot (41) in the natural state, the lower position of the side of the shell (1) is provided with the feeding portion (3), the upper position of the side of the other surface of the shell (1) is provided with the discharging plate (6), the vibration blocks (52) on the track (5) have multiple uniform distribution, and the tooth blocks (51) on the track (5) are rack structures, the sawtooth is located on the side facing the sliding groove (53), the track (5) is connected and installed on the inner wall of the shell (1), and the sliding groove (53) is formed in the track (5), the sliding groove (53) is parallel to the moving direction of the conveyor belt outside the transmission mechanism (4), the track (5) is provided with the vibration block (52) located on one side of the sliding groove (53) and located above the discharging plate (6), the sliding groove (53) is provided with the tooth block (51) connected on the track (5) and located on one side below the discharging plate (6), the hopper (2) is a semicircular structure, the outer end of the hopper (2) is connected with the material rod (21) through the torsion shaft, the outer end of the material rod (21) is a straight plate structure, the material rod (21) is connected with the isolation cover (211) at the position of the top of the hopper (2), the isolation cover (211) is made of soft material, the material rod (21) is divided into upper and lower ends, when the lower end of the material rod (21) is located above the hopper (2), the isolation cover (211) is in the folded and stored state, and at the same time, the material rod (21) extends the top inlet of the hopper (2), at this time, the material rod (21) overlaps with the bottom outlet of the feeding portion (3), when the lower end of the material rod (21) is deflected to below the hopper (2), the isolation cover (211) is in the stretched state and covers above the hopper (2), and the outer end of the center damping shaft of the material rod (21) is connected with the homing gear (25), the homing gear (25) can engage with the tooth block (51), and when the hopper (2) moves along the tooth block (51), the isolation cover (211) can be retracted.
2. The bucket elevator for producing silicon micro-powder according to claim 1, characterized in that: The inside of the feeding part (3) is connected with a discharging column (31), which is a horizontal column structure, and the inner side of the discharging column (31) is provided with a movable baffle (32) inserted into the feeding part (3), the bottom of the baffle (32) is connected with the bottom of the feeding part (3) through a spring, the structure of the side of the baffle (32) in contact with the discharging column (31) is the same as that of the discharging column (31) and coincides with the discharging column (31) in the natural state of the spring, the position of the baffle (32) inserted into the feeding part (3) is connected through a soft sealing material, one end of the baffle (32) at the outlet of the bottom of the feeding part (3) closes the outlet of the feeding part (3) in the natural state of the spring, a discharging port (321) is arranged below the side of the baffle (32) closing the outlet of the feeding part (3), and the elastic force required for the contraction of the connecting spring of the feeding part (3) is smaller than the damping of the connecting shaft of the material rod (21).
3. The bucket elevator for producing silicon micro-powder according to claim 2, characterized in that: The discharging plate (6) is movably connected with a guide plate (61) through a torsion spring shaft on the side close to the hopper (2), the guide plate (61) is located above the discharging plate (6) in the natural state, and the position of the guide plate (61) in contact with the discharging plate (6) is connected with a leakage prevention plate (611), which is a deformable rubber plate.
4. The bucket elevator for producing silicon micro-powder according to claim 3, characterized in that: The outer side of the hopper (2) is connected with a discharging block (22), the outer end of the discharging block (22) is an arc structure, and the arc structure of the outer end of the discharging block (22) can coincide with the outer end of the vibrating block (52) in the natural state of the spring block (231) connecting spring.
Citation Information
Patent Citations
Bucket elevator
CN115367387A
Elevator capable of preventing materials from shaking
CN118405416A