Feeding device and replacement bin system

Abstract

The utility model belongs to the field of kiln feeding, and particularly relates to a feeding device and a bin replacement system, and the feeding device comprises a support, a material conveying mechanism and a material pushing mechanism; the material pushing mechanism comprises a first linear driving mechanism arranged at one end of the support, and the other end of the support is aligned with the position to be fed. The material conveying mechanism comprises a roller way conveying mechanism and a bearing plate which are connected in sequence; the material conveying mechanism is arranged on the support in a sliding mode, and the material conveying mechanism can slide to the position between the first linear driving mechanism and a to-be-fed position. According to the feeding device, the problem of inertia slippage of materials caused by too high feeding speed of the materials can be avoided, the feeding stability can be improved on the basis of improving the feeding efficiency, in addition, the bearing plate can serve as a supplement of a roller way conveying mechanism, the number of roller bodies in the roller way conveying mechanism is reduced, and the production cost is reduced. The occurrence rate of roller body faults is reduced, and the maintenance frequency is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of charging for kilns, and particularly relates to a feeding device and a replacement bin system. Background Art

[0002] The roller hearth kiln is a widely used ceramic sintering device, which can be used to produce daily-use ceramics, sanitary ceramics, bricks and tiles, electrode materials and other products. Taking the atmosphere-protected roller hearth kiln as an example, its basic working principle is: an electric motor is used to drive multiple rows of roller rods to rotate, and the powder materials contained in graphite saggers are continuously fed into a closed furnace body dozens of meters long, and after being sintered at a high temperature of about 850 °C, they are taken out of the furnace and enter the next process. The roller hearth kiln has the advantages of uniform temperature, short firing cycle, stable operation, etc.

[0003] In the traditional atmosphere-protected roller hearth kiln, 1 replacement bin is arranged at each of the head and tail ends of the furnace body to remove the air of the materials and introduce the protective atmosphere. Usually, several saggers filled with powder materials are arranged in a row and driven by roller rods into the replacement bin, resulting in a replacement bin door width of more than 2 meters, which is difficult to process. Moreover, in order to install the driving roller in the replacement bin, holes need to be opened in the bin body, and the sealing performance is difficult to guarantee. In addition, generally, the weight of the saggers arranged in a row is very heavy. At this time, if the speed of the roller conveyor device for feeding is too fast, inertial slippage will occur, affecting the conveying stability of the saggers. If the conveying speed of the roller conveyor device is too slow, the feeding efficiency will be seriously affected. For this reason, a feeding mechanism for the replacement bin of the roller hearth kiln is proposed. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a feeding device and a replacement bin system that can ensure the feeding efficiency and feeding stability.

[0005] The utility model provides a feeding device, which includes a bracket, a material conveying mechanism and a material pushing mechanism;

[0006] The material pushing mechanism includes a first linear driving mechanism arranged at one end of the bracket, and the other end of the bracket is aligned with the position to be fed;

[0007] The material conveying mechanism includes a roller conveyor mechanism and a bearing plate connected in sequence, and the direction from the roller conveyor mechanism to the bearing plate is the material conveying direction;

[0008] The material conveying mechanism is slidably arranged on the bracket, and the material conveying mechanism can slide between the first linear driving mechanism and the position to be fed, and the first linear driving mechanism, the roller conveyor mechanism, the bearing plate and the position to be fed are arranged in sequence;

[0009] The sliding direction of the material conveying mechanism intersects with the material conveying direction.

[0010] Furthermore, the sliding direction of the material conveying mechanism is perpendicular to the material conveying direction.

[0011] Furthermore, the roller conveyor mechanism is a powered roller conveyor mechanism.

[0012] Furthermore, when the material conveying mechanism slides away from the position between the first linear drive mechanism and the material to be fed, the end of the roller conveyor mechanism away from the bearing plate is used for feeding.

[0013] Furthermore, the first linear drive mechanism is a linear module;

[0014] A support plate is provided at one end of the linear module close to the bracket, a sliding rod is provided on the output slide plate of the linear module, and the other end of the sliding rod penetrates through the support plate and is slidably arranged with the support plate.

[0015] Furthermore, two sliding rods are arranged in parallel, and a first pusher block is fixed at one end of the two sliding rods passing through the support plate.

[0016] Furthermore, the feeding device further includes a sliding frame, and the material conveying mechanism is arranged on the sliding frame.

[0017] The utility model further provides a replacement bin system, including a replacement bin and the above-mentioned feeding device;

[0018] The position of the material to be fed in the feeding device is inside the replacement bin.

[0019] Furthermore, the replacement bin system further includes a replacement bin blanking device slidably arranged on the bracket;

[0020] The replacement bin blanking device includes a second linear drive mechanism, and the output end of the second linear drive mechanism penetrates through and is slidably arranged on the bin door of the replacement bin;

[0021] The bin door of the replacement bin moves synchronously with the second linear drive mechanism. When the replacement bin blanking device moves between the first linear drive mechanism and the replacement bin, the bin door seals the replacement bin.

[0022] Furthermore, the sliding directions of the second linear drive mechanism, the bin door and the material conveying mechanism on the bracket are the same and they slide synchronously.

[0023] The beneficial effect of the utility model is that the feeding device can avoid the problem of inertial slip of materials caused by the too fast moving speed of the output end of the first linear drive mechanism, can improve the feeding stability on the basis of improving the feeding efficiency. In addition, the setting of the bearing plate can also be used as a supplement to the roller conveyor mechanism, reduce the number of rollers in the roller conveyor mechanism, reduce the incidence of roller failures, and reduce the maintenance frequency. Description of the Drawings

[0024] Attached Figure 1 is a top view of the utility model;

[0025] Appended Figure 2 is the partial front view of the present utility model;

[0026] Appended Figure 3 is the partial rear view of the present utility model.

[0027] In the figure, 1 - bracket; 11 - guide rail; 2 - material conveying mechanism; 21 - roller conveyor mechanism; 22 - bearing plate; 23 - horizontal adjustment component; 3 - material pushing mechanism; 31 - first linear drive mechanism; 311 - output slide plate; 32 - support plate; 33 - sliding rod; 34 - first pusher block; 35 - sliding guide sleeve; 4 - sliding frame; 41 - slider; 5 - replacement bin; 51 - bin door; 511 - sealing sleeve; 52 - bearing platform; 6 - bin door opening and closing mechanism; 61 - third linear drive mechanism; 62 - support frame; 7 - replacement bin blanking device; 71 - second linear drive mechanism; 72 - drive rod; 73 - second pusher block; 8 - material. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0030] In addition, the descriptions such as "first" and "second" in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0031] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] In addition, the technical solutions between various embodiments of the present utility model can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0033] As shown in the Figure 1 - attached Figure 3 drawing, the present utility model provides a feeding device for transporting a material 8 to a position to be fed, including a bracket 1, a material conveying mechanism 2, and a material pushing mechanism 3;

[0034] The material pushing mechanism 3 includes a first linear driving mechanism 31 provided at one end of the bracket 1, and the other end of the bracket 1 is aligned with the position to be fed. Among them, the output end of the first linear driving mechanism 31 is used to push the material 8 to move;

[0035] The material conveying mechanism 2 includes a roller conveyor mechanism 21 and a carrier plate 22 connected in sequence. The upper bearing surface of the roller body of the roller conveyor mechanism 21 is flush with the upper end surface of the carrier plate 22. Therefore, the material 8 can move from the roller conveyor mechanism 21 to the carrier plate 22. The direction from the roller conveyor mechanism 21 to the carrier plate 22 is the material conveying direction, that is, the material 8 is conveyed from the roller conveyor mechanism 21 to the carrier plate 22;

[0036] The material conveying mechanism 2 is slidably arranged on the bracket 1. The material conveying mechanism 2 can slide between the first linear driving mechanism 31 and the position to be fed, or can slide away from between the first linear driving mechanism 31 and the position to be fed. When the material conveying mechanism 2 slides between the first linear driving mechanism 31 and the position to be fed, the first linear driving mechanism 31, the roller conveyor mechanism 21, the carrier plate 22, and the position to be fed are arranged in sequence and in a straight line. At this time, the output end of the first linear driving mechanism 31 can push the material 8 on the roller conveyor mechanism 21 from the carrier plate 22 to the position to be fed;

[0037] The sliding direction of the material conveying mechanism 2 intersects with the material conveying direction. At this time, the material conveying mechanism 2 can slide out of the position between the first linear drive mechanism 31 and the position to be fed, so that the material 8 can be loaded onto the roller conveyor mechanism 21.

[0038] The specific feeding process of the feeding device is as follows: the material conveying mechanism 2 leaves the position between the first linear drive mechanism 31 and the position to be fed, and the material is loaded onto the roller conveying mechanism 21 from one end of the roller conveying mechanism 21 away from the carrying plate 22 through the conveying mechanism, and then the material conveying mechanism 2 carries the material 8 and slides relative to the bracket 1, and slides to the position between the first linear drive mechanism 31 and the position to be fed. At this time, the first linear drive mechanism 31, the roller conveying mechanism 21, the carrying plate 22 and the position to be fed are arranged in sequence and in a straight line, and then the output end of the first linear drive mechanism 31 is extended to push the material 8 on the roller conveying mechanism 21 through the carrying plate 22 to the position to be fed, thereby completing the feeding of the material 8.

[0039] The location to be fed is the feeding destination of the feeding device, which may be a carrying space for various equipment, such as the interior of the replacement bin 5 .

[0040] This feeding device is particularly suitable for heavy materials. Heavy materials will experience inertial slip when being transported on the roller conveyor mechanism 21. Of course, it is not limited to heavy materials, and can also be used for light materials 8. The material 8 is first loaded onto the roller conveyor mechanism 21 through the conveying mechanism, which can simplify the loading difficulty of the material 8. After the material 8 is loaded onto the roller conveyor mechanism 21, the roller conveyor mechanism 21 and the carrying plate 22 are operated to move to a position between the first linear drive mechanism 31 and the position to be fed. Finally, only the output end of the first linear drive mechanism 31 needs to be extended to move the material 8 on the roller conveyor mechanism 21 through the carrying plate 22 to the position to be fed. During the pushing process, the material 8 passes through the carrying plate 22, and the original line contact movement on the roller conveyor mechanism 21 can be transformed into surface contact sliding friction on the carrying plate 22, thereby avoiding the problem of inertial slip of the material 8 caused by the excessive movement speed of the output end of the first linear drive mechanism 31, and the feeding stability can be improved on the basis of improving the feeding efficiency. In addition, the setting of the carrying plate 22 can also serve as a supplement to the roller conveyor mechanism 21, reduce the number of rollers in the roller conveyor mechanism 21, reduce the incidence of roller failures, and reduce the maintenance frequency.

[0041] In one embodiment, the sliding direction of the material conveying mechanism 2 is perpendicular to the material conveying direction. At this time, the material conveying mechanism 2 can vertically enter and leave the position between the first linear driving mechanism 31 and the position where the material is to be fed. Furthermore, the intervals between the roller conveyor mechanism 21 and the first linear driving mechanism 31, and between the bearing plate 22 and the position where the material is to be fed can be reduced, improving the compactness of the device and facilitating the alignment of the first linear driving mechanism 31, the roller conveyor mechanism 21, the bearing plate 22, and the position where the material is to be fed.

[0042] In one embodiment, the roller conveyor mechanism 21 is a powered roller conveyor mechanism 21, that is, the rollers on the roller conveyor mechanism 21 can actively rotate to drive the movement of the material 8. At this time, the rollers of the roller conveyor mechanism 21 and the first linear driving mechanism 31 act together to drive the material 8 to move onto the bearing plate 22 and then move through the bearing plate 22 to the position where the material is to be fed.

[0043] In one embodiment, when the material conveying mechanism 2 slides away from the position between the first linear driving mechanism 31 and the position where the material is to be fed, the end of the roller conveyor mechanism 21 away from the bearing plate 22 is used for feeding. Preferably, the material 8 is conveyed onto the roller conveyor mechanism 21 by a conveying mechanism, and the conveying mechanism can be one of a belt conveying mechanism, a roller conveyor mechanism, or a plate conveying mechanism. At this time, the conveying speeds of the conveying mechanism and the roller conveyor mechanism 21 are the same, and a relatively fast speed can be adopted for conveying to improve the conveying efficiency. When conveying at a relatively fast speed, the material 8 will continue to slide forward due to inertia after being conveyed to the downstream end of the roller conveyor mechanism 21 and slide a certain distance onto the bearing plate 22, and stop due to the sliding friction of the bearing plate 22, ensuring the conveying stability.

[0044] In one embodiment, the first linear driving mechanism 31 is a linear module, and the linear module has the advantage of precise control. The linear module includes a body and an output slide plate 311 provided on the body;

[0045] A support plate 32 is provided at one end of the linear module close to the bracket 1. A sliding rod 33 is provided on the output slide plate 311 of the linear module. The other end of the sliding rod 33 penetrates through the support plate 32 and is slidably arranged with the support plate 32, thereby improving the sliding stability of the sliding rod 33. Preferably, a mounting hole is provided on the support plate 32, and a sliding guide sleeve 35 is provided on the mounting hole. The sliding rod 33 is slidably arranged in the sliding guide sleeve 35, thereby improving the smoothness of the sliding.

[0046] In one embodiment, two sliding rods 33 are arranged in parallel. One end of the two sliding rods 33 passing through the support plate 32 is fixed with a first pusher block 34. By providing the first pusher block 34, the contact area with the material 8 is increased, and the pushing stability is improved. In addition, by providing two sliding rods 33, the structural strength can be increased and the use reliability can be improved.

[0047] In one embodiment, the feeding device further includes a sliding frame 4, and the material conveying mechanism 2 is arranged on the sliding frame 4. At this time, the roller conveyor mechanism 21 and the bearing plate 22 move synchronously, avoiding offset between the roller conveyor mechanism 21 and the bearing plate 22. Preferably, a guide rail 11 is arranged on the bracket 1, and a slider 41 is arranged on the sliding frame 4, that is, the sliding frame 4 is slidably arranged on the bracket 1 through a guide rail-slider assembly, improving the sliding effect. Preferably, the bearing plate 22 is arranged on the sliding frame 4 through a horizontal adjustment assembly 23, thereby facilitating the adjustment of the level of the bearing plate 22.

[0048] In one embodiment, the bearing plate 22 is made of graphite material, thereby ensuring smooth sliding and increasing the service life.

[0049] The present utility model further provides a replacement bin system, including a replacement bin 5 and the above-mentioned feeding device;

[0050] The position of the material to be fed in the feeding device is inside the replacement bin 5, that is, the feeding device feeds the material 8 into the replacement bin 5.

[0051] In one embodiment, the replacement bin system further includes a replacement bin discharging device 7 slidably arranged on the bracket 1. The replacement bin discharging device 7 is used to discharge the material 8 entering the replacement bin 5 from the other side of the replacement bin 5. At this time, the replacement bin discharging device 7 for discharging the material 8 in the replacement bin 5 is also arranged on the bracket 1, rather than at the other end of the replacement bin 5, which can simplify the structural complexity of the other end of the replacement bin 5 and facilitate the connection between the replacement bin 5 and the kiln;

[0052] The replacement bin discharging device 7 includes a second linear driving mechanism 71, and the output end of the second linear driving mechanism 71 penetrates and is slidably arranged on the door 51 of the replacement bin 5;

[0053] The door 51 of the replacement bin 5 moves synchronously with the second linear driving mechanism 71, that is, the door 51 and the second linear driving mechanism 71 can move synchronously to the position between the first linear driving mechanism 31 and the replacement bin 5, and can also move synchronously away from the position between the first linear driving mechanism 31 and the replacement bin 5;

[0054] When the replacement bin discharging device 7 moves to the position between the first linear driving mechanism 31 and the replacement bin 5, the door 51 seals the replacement bin 5.

[0055] The specific process of feeding the material into the replacement bin 5 is as follows: The material 8 is conveyed into the replacement bin 5 through the feeding device. At this time, the roller conveyor mechanism 21 and the bearing plate 22 are located between the first linear drive mechanism 31 and the replacement bin 5, while the second linear drive mechanism 71 and the bin door 51 leave the position between the first linear drive mechanism 31 and the replacement bin 5, and the bin door on the other side of the replacement bin 5 is in the closed state. After the feeding device conveys the material 8 into the replacement bin 5, the roller conveyor mechanism 21 and the bearing plate 22 leave the position between the first linear drive mechanism 31 and the replacement bin 5, and the second linear drive mechanism 71 and the bin door 51 move to the position between the first linear drive mechanism 31 and the replacement bin 5, and the bin door 51 is directly docked with the replacement bin 5 and seals the replacement bin 5. At this time, the bin doors at both ends of the sealed bin 5 are in the closed state, and the replacement bin 5 can be evacuated to discharge the air on the material 8. After evacuation, a protective gas is introduced, and the bin door at the other end of the replacement bin 5 is opened. Subsequently, the output end of the second linear drive mechanism 71 extends, driving the material 8 in the replacement bin 5 to leave the replacement bin 5 from the other end of the replacement bin 5 and enter the kiln. During this process, the output end of the second linear drive mechanism 71 is always in sliding fit with the bin door 51 to ensure the sealing performance of the bin door 51.

[0056] In this embodiment, both the feeding device and the replacement bin discharging device 7 are arranged on the support 1. The feeding device is used to feed the material into the replacement bin 5 from one end of the replacement bin 5, while the replacement bin discharging device 7 is used to discharge the material from the other end of the replacement bin 5, so that both the feeding device and the replacement bin discharging device 7 of the replacement bin 5 are located on one side, facilitating the connection between the other end of the replacement bin and the kiln and simplifying the connection difficulty between the replacement bin 5 and the kiln.

[0057] In addition, this replacement bin system can realize the feeding and discharging operations of the kiln in a sealed state all the time, thereby avoiding the loss of vacuum degree in the replacement bin 5 or the kiln or the leakage of the protective gas during the feeding and discharging operations of the replacement bin 5. When the kiln is in a high-temperature environment, it can also avoid heat loss, thereby reducing the energy loss of the kiln.

[0058] In addition, the installation position of the replacement bin discharging device 7, on the one hand, facilitates the configuration, assembly and maintenance of the furnace door at the other end of the replacement bin 5. On the other hand, the entire operation process of the replacement bin discharging device 7 will not affect the transfer of the material 8 between the replacement bin 5 and the kiln, nor affect the opening and closing of the furnace door at the other end of the replacement bin 5. On the third hand, the driving part of the replacement bin discharging device 7, the second linear drive mechanism 71, is located outside the replacement bin 5, away from the harsh environment inside the replacement bin 5 and the kiln. Therefore, the performance requirements of the second linear drive mechanism 71 can be reduced, thereby reducing the cost and improving the service life of the second linear drive mechanism 71.

[0059] In addition, the output end of the second linear drive mechanism 71 is slidably engaged with the storage door 51. On the one hand, it can enable the output end of the second linear drive mechanism 71 to move synchronously with the opening and closing of the storage door 51, maintaining their relative positions. On the other hand, the sliding fit can also serve as an intermediate support structure for the output end of the second linear drive mechanism 71, changing the output end of the second linear drive mechanism 71, which was originally in a cantilever structure, into a two-point support structure, improving the structural stability. In addition, the output end of the second linear drive mechanism 71 can also serve as a supplement to the sliding hole on the storage door 51, ensuring the sealing performance of the storage door 51 and enabling the pushing and pulling of the material 8 when the storage door 51 is in the closed state.

[0060] In one embodiment, the sliding directions of the second linear drive mechanism 71, the storage door 51, and the material conveying mechanism 2 on the bracket 1 are the same and they slide synchronously. Preferably, both the second linear drive mechanism 71 and the storage door 51 are arranged on the sliding frame 4, thereby ensuring the synchronous movement of the second linear drive mechanism 71, the storage door 51, and the material conveying mechanism 2.

[0061] In one embodiment, a storage door opening and closing mechanism 6 is further arranged on the sliding frame 4. The storage door opening and closing mechanism 6 includes a third linear drive mechanism 61 arranged on the sliding frame 4, and the storage door 51 is fixedly arranged at the output end of the third linear drive mechanism 61, and the moving direction of the third linear drive mechanism 61 is parallel to the moving direction of the second linear drive mechanism 71. Preferably, the storage door opening and closing mechanism 6 further includes a support frame 62, the third linear drive mechanism 61 is arranged on the support frame 62, and the storage door 51 is also slidably arranged on the support frame 62 through a guide rail and slider, thereby reducing the burden on the third linear drive mechanism 61 and improving the stability of the movement of the storage door 51. At this time, the output end of the second linear drive mechanism 71 passes through the middle of the storage door 51 through the support frame 62, thereby enabling the output end of the second linear drive mechanism 71 to drive the position below the replacement bin 5 as much as possible to adapt to the pushing of materials 8 at different heights.

[0062] In one embodiment, the second linear drive mechanism 71 is a linear module. The replacement bin blanking device 7 further includes a drive rod 72 arranged on the output slide plate of the second linear drive mechanism 71, and the drive rod 72 is slidably engaged with the storage door 51. Preferably, a sealing sleeve 51 is arranged on the storage door 51, and the drive rod 72 is slidably arranged on the sealing sleeve 51 to ensure the sealing effect of the storage door 51, and a second pusher block 73 is arranged at the end of the drive rod 72 extending into the storage door 51 to increase the contact area with the material 8.

[0063] In one embodiment, a loading platform 52 for carrying the material 8 and allowing the material 8 to move is arranged in the replacement bin 5, facilitating the stable conveying and loading of the material 8 in the replacement bin 5. Preferably, the loading platform 52 is made of graphite material.

[0064] The above description is only for this embodiment and does not impose any limitations on the present utility model. Any person skilled in the art can, without departing from the scope of the technical solution of the present utility model, make many possible changes, modifications or equivalents to the technical solution of the present utility model by using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model shall fall within the scope of protection of the technical solution of the present utility model.

Claims

1. A feeding device, characterized in that: It comprises a bracket (1), a material conveying mechanism (2) and a material pushing mechanism (3); The material pushing mechanism (3) comprises a first linear driving mechanism (31) arranged at one end of the bracket (1), and the other end of the bracket (1) is aligned with the position where the material is to be fed; The material conveying mechanism (2) comprises a roller conveying mechanism (21) and a carrying plate (22) which are connected in sequence, and the direction from the roller conveying mechanism (21) to the carrying plate (22) is the material conveying direction; The material conveying mechanism (2) is slidably arranged on the bracket (1), and the material conveying mechanism (2) can slide between the first linear drive mechanism (31) and the position to be fed, and the first linear drive mechanism (31), the roller conveying mechanism (21), the carrying plate (22) and the position to be fed are arranged in sequence; The sliding direction of the material conveying mechanism (2) intersects with the material conveying direction.

2. The feeding device according to claim 1, characterized in that: The sliding direction of the material conveying mechanism (2) is perpendicular to the material conveying direction.

3. The feeding device according to claim 1, characterized in that: The roller conveying mechanism (21) is a powered roller conveying mechanism (21).

4. The feeding device according to claim 1, characterized in that When the material conveying mechanism (2) slides away from between the first linear drive mechanism (31) and the position to be fed, the end of the roller conveying mechanism (21) facing away from the carrying plate (22) is used for loading materials.

5. The feeding device according to claim 1, characterized in that: The first linear drive mechanism (31) is a linear module; A support plate (32) is arranged at one end of the linear module close to the bracket (1), a sliding rod (33) is arranged on the output slide plate (311) of the linear module, and the other end of the sliding rod (33) passes through the support plate (32) and is slidably arranged with the support plate (32).

6. The feeding device according to claim 5, characterized in that: Two sliding rods (33) are arranged in parallel, and a first pushing block (34) is fixed to one end of the two sliding rods (33) passing through the support plate (32).

7. The feeding device according to claim 1, characterized in that: It also comprises a sliding frame (4), and the material conveying mechanism (2) is arranged on the sliding frame (4).

8. A bin replacement system, characterized in that: It comprises a replacement bin (5) and a feeding device as claimed in any one of claims 1 to 7; The position to be fed in the feeding device is inside the replacement bin (5).

9. The chamber replacement system according to claim 8, characterized in that: It also includes a replacement bin unloading device (7) slidably arranged on the bracket (1); The replacement bin unloading device (7) comprises a second linear drive mechanism (71), the output end of the second linear drive mechanism (71) penetrates and is slidably disposed on the bin door (51) of the replacement bin (5); The chamber door (51) of the replacement chamber (5) moves synchronously with the second linear drive mechanism (71), and when the replacement chamber unloading device (7) moves between the first linear drive mechanism (31) and the replacement chamber (5), the chamber door (51) seals the replacement chamber (5).

10. The chamber replacement system according to claim 9, characterized in that: The second linear drive mechanism (71), the bin door (51) and the material conveying mechanism (2) slide in the same direction on the support (1) and slide synchronously.

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