Platform spreading robot convenient for spiral wheel assembly

Abstract

The utility model discloses a spreading robot convenient for assembling spiral wheels, which relates to the technical field of mechanical automation and comprises a shell, a driving device, two spiral wheel groups and a flat key. The driving device comprises a driving motor and a rotating shaft, the rotating shaft is in transmission connection with the driving motor, and multiple first key grooves are formed in the rotating shaft at intervals; the two spiral wheel sets are arranged on the two opposite sides of the main body part respectively, each spiral wheel set comprises two spiral wheels and a plurality of shaft sleeves, each spiral wheel is provided with a first shaft hole, each shaft sleeve is provided with a second shaft hole, and the shaft sleeves are arranged at the two ends of the first shaft holes and provided with first grooves; wherein the second shaft hole of the shaft sleeve is sleeved with the rotating shaft, and the flat key arranged in the first key groove is matched with the first groove, so that the shaft sleeve is in transmission connection with the rotating shaft. The leveling robot facilitating assembly of the spiral wheel can solve the technical problem that in the prior art, a spiral wheel structure is not convenient to assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical automation, in particular to a warehouse closing robot which is convenient for assembling a spiral wheel. Background Art

[0002] In existing granary-leveling robots, the helical wheel structure used to turn the grain is directly mounted on a rotating shaft. Rotation of the shaft drives the helical wheel structure, thereby performing the grain turning operation. Typically, a long keyway is provided on the rotating shaft, and a corresponding groove is provided where the helical wheel and the rotating shaft meet. A flat key secures the two together. However, the long keyway compromises the strength of the rotating shaft, and the long keyway makes assembly of the helical wheel structure difficult. Utility Model Content

[0003] The main purpose of the utility model is to provide a warehouse closing robot which is convenient for assembling a spiral wheel, aiming to solve the technical problem that the spiral wheel structure in the prior art is difficult to assemble.

[0004] To achieve the above-mentioned purpose, the utility model proposes a flat-warehouse robot that is convenient for assembling a spiral wheel, and the flat-warehouse robot that is convenient for assembling a spiral wheel comprises a shell, a driving device, two spiral wheel groups and a flat key; the shell comprises a main body and mounting arms extending outward from opposite sides of the main body; the driving device comprises a driving motor and a rotating shaft, the driving motor is arranged on the mounting arm, the rotating shaft is transmission-connected to the driving motor, and the rotating shaft is provided with a plurality of first key slots arranged at intervals; the two spiral wheel groups are respectively arranged on opposite sides of the main body, the spiral wheel groups comprise two spiral wheels and a plurality of shaft sleeves, the spiral wheel has a first axial hole; the shaft sleeve has a second axial hole, the shaft sleeve is arranged at both ends of the first axial hole, and the shaft sleeve is provided with a first groove; the flat key is arranged in the first key slot; wherein the positions of the plurality of first key slots correspond to the positions of the plurality of first grooves, and the second axial hole of the shaft sleeve is sleeved with the rotating shaft, and the flat key arranged in the first key slot cooperates with the first groove so that the shaft sleeve is transmission-connected to the rotating shaft.

[0005] In one embodiment, in the length direction of the main body, the two spiral wheels of one spiral wheel group are respectively located on opposite sides of the mounting arm, and the driving device also includes a reducer, which is arranged between the two spiral wheels and is transmission-connected to the motor shaft of the driving motor.

[0006] In one embodiment, a second keyway is further provided on the rotating shaft corresponding to the reducer, the reducer is sleeved on the rotating shaft and a second groove is provided corresponding to the second keyway, a flat key is provided in the second keyway, and the second keyway cooperates with the second groove through the flat key, so that the reducer is connected to the rotating shaft in a transmission manner.

[0007] In one embodiment, a third keyway is provided on the motor shaft of the drive motor, and the reducer is also provided with a third groove. A flat key is provided in the third keyway, and the third keyway cooperates with the third groove through the flat key to connect the reducer to the motor shaft of the drive motor.

[0008] In one embodiment, a ring sleeve is provided between the reducer and the two adjacent spiral wheels, and two ends of the ring sleeve are respectively in contact with the reducer and the shaft sleeve.

[0009] In one embodiment, the groove depth of the first key groove and / or the second key groove ranges from 3 mm to 8 mm.

[0010] In one embodiment, the length of the first groove and / or the second keyway is 1 cm to 3 cm; and / or,

[0011] The width of the first groove and / or the second keyway is 6 mm to 15 mm.

[0012] In one embodiment, in the axial direction of the rotating shaft, the plurality of first key grooves and the second key grooves are spaced apart and their extension lines along the length direction are collinear.

[0013] In one embodiment, the first shaft hole of the spiral wheel and the outer wall surface of the sleeve are interference fit.

[0014] In one embodiment, a clamping block is provided on the outer wall surface of the shaft sleeve, and a clamping groove is provided on the spiral wheel corresponding to the clamping block, so that the spiral wheel and the shaft sleeve are clamped and interfered with each other.

[0015] The technical solution of the present invention is to assemble the spiral wheel and the rotating shaft by using multiple sleeves, wherein the rotating shaft is provided with multiple first keyways arranged at intervals, the sleeve is provided with a first groove adapted to the first keyway, a flat key is provided in the first keyway, and the flat key provided in the first keyway cooperates with the first groove so that the sleeve is transmission-connected to the rotating shaft. The spiral wheel is transmission-connected to the rotating shaft through the sleeve structure, and the sleeve and the rotating shaft are connected together by a flat key connection, which facilitates the assembly of the spiral wheel and the sleeve, further improving the assembly efficiency, and the two spiral wheels are installed on one rotating shaft through the sleeve structure, without the need to set a separate corresponding rotating shaft for each spiral wheel structure, further improving the assembly efficiency, and at the same time, since there is no need to provide a long keyway on the rotating shaft to connect the rotating shaft and the spiral wheel, the diameter of the rotating shaft does not need to be increased to ensure its structural strength, which can reduce the weight of the rotating shaft, thereby reducing the weight of the entire machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0017] Figure 1 This is a structural diagram of an embodiment of a warehouse closing robot that facilitates the assembly of spiral wheels provided by the present invention;

[0018] Figure 2 for Figure 1 An exploded view of the structure of the liquidation robot that facilitates the assembly of the spiral wheel;

[0019] Figure 3 for Figure 2 A partial enlarged view of point A in the middle;

[0020] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0021] Figure 5 for Figure 1 A cross-sectional view of a flattening robot from one perspective, which facilitates the assembly of the spiral wheel;

[0022] Figure 6 for Figure 5 A partial enlarged view of point C in the middle;

[0023] Figure 7 for Figure 1 A cross-sectional view of the unwinding robot from another angle, which facilitates the assembly of the spiral wheel;

[0024] Figure 8 for Figure 7 A partial enlarged view of point D in the middle.

[0025] Description of Figure Numbers:

[0026] 10. A close-out robot that facilitates the assembly of spiral wheels;

[0027] 100, housing; 110, main body; 120, mounting arm;

[0028] 200, driving device; 210, driving motor; 211, third keyway; 220, rotating shaft; 221, first keyway; 222, second keyway; 230, speed reducer; 231, second groove; 232, third groove;

[0029] 300, spiral wheel assembly; 310, spiral wheel; 311, spiral shaft; 311a, first shaft hole; 312, spiral blade; 313, clamping groove; 320, shaft sleeve; 320a, second shaft hole; 321, first groove; 322, clamping block;

[0030] 400, flat key; 500, ring sleeve; 600, connecting piece; 700, shaft sleeve protection cover.

[0031] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0035] In existing warehouse-turning robots, the helical wheel structure used for turning grain is directly mounted on a rotating shaft. Rotation of the shaft drives the helical wheel structure, thereby performing the grain turning operation. Typically, a long keyway is provided on the rotating shaft, and a corresponding groove is provided where the helical wheel and the rotating shaft mate. A flat key secures the two together. However, the long keyway compromises the strength of the rotating shaft, and the long keyway makes assembly of the helical wheel structure difficult.

[0036] The utility model proposes a warehouse-leveling robot that is easy to assemble with a spiral wheel, which can perform efficient grain turning operations inside the granary. The grains can specifically be wheat, rice, red beans, mung beans, millet, etc. The utility model's warehouse-leveling robot that is easy to assemble with a spiral wheel can solve the technical problem in the existing technology that the spiral wheel structure is difficult to assemble.

[0037] See also Figures 1 to 3In one embodiment of the present invention, the warehouse closing robot 10 for facilitating the assembly of the spiral wheel includes a housing 100, a driving device 200, two spiral wheel sets 300 and a flat key 400; the housing 100 includes a main body 110 and mounting arms 120 extending outward from opposite sides of the main body 110; the driving device 200 includes a driving motor 210 and a rotating shaft 220, the driving motor 210 is arranged on the mounting arm 120, the rotating shaft 220 is transmission-connected to the driving motor 210, and the rotating shaft 220 is provided with a plurality of first key slots 221 arranged at intervals; the two spiral wheel sets 300 are respectively arranged on opposite sides of the main body 110, and the spiral wheel The group 300 includes two spiral wheels 310 and multiple sleeves 320, the spiral wheels 310 have a first axial hole 311a; the sleeves 320 have a second axial hole 320a, the sleeves 320 are arranged at both ends of the first axial hole 311a, and the sleeves 320 are provided with a first groove 321; the flat key 400 is arranged in the first keyway 221; wherein, the positions of the multiple first keyways 221 correspond to the positions of the multiple first grooves 321, and the second axial hole 320a of the sleeve 320 is sleeved on the rotating shaft 220, and the flat key 400 arranged in the first keyway 221 cooperates with the first groove 321 to make the sleeve 320 and the rotating shaft 220 transmission connected.

[0038] Specifically, see Figure 1 The housing 100 includes a main body 110 and mounting arms 120 extending outward from opposite sides of the main body 110. A mounting space is formed within the housing 100 for mounting the main control module, battery module, camera module, drive motor 210, and the like of the lightweight, easy-to-assemble spiral wheel flattening robot 10. The mounting arms 120 are primarily used to mount and secure the drive motor 210, and to position the two spiral wheel assemblies 300, which are in transmission connection with the drive motor 210, on opposite sides of the main body 110 without interfering with the main body 110. The number of drive motors 210 is set to at least two, and the motor shaft of the drive motor 210 extends through the housing 100 and is in transmission connection with the rotating shaft 220. It should be noted that the drive motor 210 and the rotating shaft 220 are in transmission connection, and a corresponding transmission mechanism is provided between the two to transmit the driving force generated by the drive motor 210 to the rotating shaft 220, thereby causing the rotating shaft 220 to rotate.

[0039] See also Figures 1 to 4 、 Figure 7, two spiral wheel groups 300 are respectively arranged on opposite sides of the main body 110, and each spiral wheel group 300 is driven by a drive motor 210. Among them, one spiral wheel group 300 includes two spiral wheels 310 and multiple sleeves 320. The two spiral wheels 310 are formed with a first axial hole 311a, and the sleeves 320 are formed with a second axial hole 320a. The sleeves 320 are arranged at both ends of the first axial hole 311a, that is, the first axial hole 311a is sleeved on the outer wall surface of the sleeves 320, and the spiral wheels 310 and the sleeves 320 are connected together. At the same time, the second axial hole 320a of the sleeve 320 is sleeved on the rotating shaft 220, that is, the second sleeve 320 is relatively fixedly connected to the rotating shaft 220. Since the sleeves 320 are arranged at both ends of the first axial hole 311a, the number of the sleeves 320 is twice the number of the spiral wheels 310.

[0040] See also Figures 4 to 6 A plurality of first key grooves 221 are arranged at intervals on the rotating shaft 220. The positions of the plurality of first key grooves 221 correspond to the positions of the sleeves 320 of the spiral wheel assembly 300 mounted on the rotating shaft 220, that is, the positions of the plurality of first key grooves 221 correspond to the positions of the plurality of first grooves 321 in a one-to-one correspondence.

[0041] The process of installing and assembling the spiral wheel assembly 300 is specifically as follows: first, the two shaft sleeves 320 are respectively installed to the two ends of the first shaft hole 311a of a spiral wheel 310, so as to realize the assembly of the two shaft sleeves 320 and the spiral wheel 310; at this time, the flat key 400 needs to be installed in the first key groove 221. The shape of the first key groove 221 is adapted to the shape of the flat key 400, and the height of the flat key 400 should be protruding from the first key groove 221. The protruding part is used to mate with the first concave part of the shaft sleeve 320. The flat key 400 is adapted to the first keyway 221; after the flat key 400 is installed in the first keyway 221, the spiral wheel 310 assembled with the sleeve 320 is then sleeved on the rotating shaft 220, that is, the second shaft hole 320a of the sleeve 320 is sleeved on the rotating shaft 220. At this time, the first groove 321 of the sleeve 320 is aligned with the part of the flat key 400 protruding from the first keyway 221, so that the flat key 400 is located in the first keyway 221 and the first groove 321 at the same time, thereby realizing the transmission connection between the sleeve 320 and the rotating shaft 220.

[0042] The flat key 400 is a conventional flat key 400, and its end shape can be round, square, or single round, without specific limitation. Of course, in other embodiments, the flat key 400 can also be of other types. The operating principle of connecting the shaft sleeve 320 and the rotating shaft 220 via the flat key 400 is described in detail in the prior art and will not be elaborated upon here.

[0043] See also Figures 4 to 6, the shaft sleeve 320 and the rotating shaft 220 cooperate with the first groove 321 through the flat key 400 provided in the first keyway 221, so that the shaft sleeve 320 is connected to the rotating shaft 220 in a transmission manner. The design of the flat key 400 connection is relatively simple, mainly consisting of the flat key 400 and the keyway, which makes its processing, installation and maintenance relatively convenient. Due to the simple structure of the flat key 400 connection, the assembly and disassembly of the shaft sleeve 320 can be completed quickly, thereby improving work efficiency. The two side surfaces of the flat key 400 connection are working surfaces, and the torque is transmitted by squeezing the key and the keyway side surfaces. This design makes the concentricity of the connection part better, helps to maintain the coaxiality of the rotating shaft 220 and the shaft sleeve 320, and reduces the vibration and noise caused by eccentricity.

[0044] In this embodiment, a spiral wheel assembly 300 includes two spiral wheels 310, both of which are mounted on a rotating shaft 220 and driven for rotation by the rotating shaft 220. The first grooves 321 of the two sleeves 320 on the rotating shaft 220 corresponding to each spiral wheel 310 are each provided with a first keyway 221. In other words, multiple first keyways 221 are spaced apart on the rotating shaft 220, and the length of the first keyway 221 does not need to be particularly long, thereby reducing the impact of the long keyway on the strength of the rotating shaft 220. Furthermore, the spiral wheels 310 are connected to the rotating shaft 220 through the sleeves 320, facilitating assembly of the spiral wheels 310 and further improving assembly efficiency. Furthermore, since two spiral wheels 310 are mounted on a single rotating shaft 220 through the sleeves 320, there is no need to provide a separate corresponding rotating shaft 220 for each spiral wheel 310 structure, thus facilitating assembly.

[0045] Furthermore, in the prior art, since a long keyway is required on the rotating shaft 220 to connect the rotating shaft 220 with the spiral wheel 310, the diameter of the rotating shaft 220 needs to be increased to ensure the structural strength of the rotating shaft 220. In the present application, multiple first keyways 221 are provided, and the transmission connection between the spiral wheel 310 and the rotating shaft 220 is achieved through the shaft sleeve 320 structure. Since a long keyway is not required on the rotating shaft 220 to connect the rotating shaft 220 with the spiral wheel 310, the diameter of the rotating shaft 220 does not need to be increased to ensure its structural strength, which can reduce the weight of the rotating shaft 220 and thus the weight of the entire machine. At the same time, a single rotating shaft 220 is transmission-connected to the drive motor 210, and a single drive motor 210 can drive the rotation of both spiral wheels 310, without requiring a drive motor 210 to drive the rotation of each spiral wheel assembly 300. This reduces the number of drive motors 210 and reduces costs.

[0046] See also Figures 4 to 6It is worth mentioning that there is a gap between the inner wall surface of the first shaft hole 311a and the outer wall surface of the rotating shaft 220. That is to say, the spiral wheel 310 structure realizes transmission connection with the rotating shaft 220 through the shaft sleeve 320 structure. The first shaft hole 311a of the spiral wheel 310 does not contact the rotating shaft 220. The spiral shaft 311 part of the spiral wheel 310 can be made thinner while ensuring that the original diameter remains unchanged, thereby reducing the use of materials for the spiral wheel 310, reducing costs and further reducing the weight of the entire machine.

[0047] The technical solution of the present invention is to assemble the spiral wheel 310 and the rotating shaft 220 by adopting multiple sleeves 320, wherein the rotating shaft 220 is provided with multiple first key slots 221 arranged at intervals, and the sleeve 320 is provided with a first groove 321 adapted to the first key slot 221, and a flat key 400 is provided in the first key slot 221. The flat key 400 arranged in the first key slot 221 cooperates with the first groove 321 to make the sleeve 320 and the rotating shaft 220 transmission connected. The spiral wheel 310 is connected to the rotating shaft 220 through the shaft sleeve 320 structure, and the shaft sleeve 320 and the rotating shaft 220 are connected together by a flat key 400, which facilitates the assembly of the spiral wheel 310 and the shaft sleeve 320, further improving the assembly efficiency, and the two spiral wheels 310 are installed on one rotating shaft 220 through the shaft sleeve 320 structure, and there is no need to set a separate corresponding rotating shaft 220 for each spiral wheel 310 structure, further improving the assembly efficiency. At the same time, since there is no need to open a long keyway on the rotating shaft 220 to realize the connection between the rotating shaft 220 and the spiral wheel 310, the diameter of the rotating shaft 220 does not need to be increased to ensure its structural strength, and the weight of the rotating shaft 220 can be reduced, thereby reducing the weight of the entire machine.

[0048] See also Figure 1 and Figure 5 In one embodiment, in the length direction of the main body 110, the two spiral wheels 310 of a spiral wheel group 300 are respectively located on opposite sides of the mounting arm 120, and the driving device 200 also includes a reducer 230, which is arranged between the two spiral wheels 310, and the reducer 230 is connected to the motor shaft of the driving motor 210.

[0049] Specifically, the two spiral wheels 310 are respectively arranged on opposite sides of the mounting arm 120. The reasonable layout is conducive to balancing the overall weight of the warehouse closing robot 10 for facilitating the assembly of the spiral wheels, and the space on the opposite sides of the main body 110 is reasonably utilized to ensure that the main body 110 does not appear top-heavy at both ends along its length. A reducer 230 is also provided between the two spiral wheels 310 in a spiral wheel assembly 300. In this embodiment, the drive motor 210 is vertically mounted in the housing 100, that is, the motor shaft of the drive motor 210 extends in a vertical direction, and the extension direction of the rotating shaft 220 is perpendicular to the extension direction of the motor shaft. The arrangement of the reducer 230 can change the rotational direction of the torque to meet the working requirements of the warehouse closing robot 10 for facilitating the assembly of the spiral wheels. At the same time, the reducer 230 can reduce the rotational speed of the rotating shaft 220 through a precise speed ratio calculation method and the meshing of gears with different numbers of teeth, thereby adjusting the rotational speed of the spiral wheel 310. On the other hand, the reducer 230 can reduce the inertia of the load while reducing the rotational speed.

[0050] See also Figure 7 and Figure 8 Furthermore, when the motor shaft of the drive motor 210 is connected to the reducer 230, there is a gap between the two due to the structural influence of the drive motor 210 and the reducer 230. In order to prevent the lightweight and convenient spiral wheel assembly of the flattening robot 10 from allowing food or other foreign matter to enter the shell 100 through the gap between the two during operation, or to hinder the operation of the drive motor 210, a connecting piece 600 is further provided between the reducer 230 and the drive motor 210 to solve the aforementioned problem.

[0051] See also Figure 5 and Figure 6 In one embodiment, a second keyway 222 is further provided on the rotating shaft 220 corresponding to the reducer 230. The reducer 230 is sleeved on the rotating shaft 220 and is provided with a second groove 231 corresponding to the second keyway 222. A flat key 400 is provided in the second keyway 222. The second keyway 222 cooperates with the second groove 231 via the flat key 400, so that the reducer 230 is transmission-connected to the rotating shaft 220. Specifically, the reducer 230 and the rotating shaft 220 are also transmission-connected together by the flat key 400. The flat key 400 connection has a simple structure, which facilitates the assembly and disassembly of the shaft parts, namely the reducer 230, and improves work efficiency. At the same time, the two side surfaces connected by the flat key 400 serve as working surfaces, and torque is transmitted through the squeezing of the key and the side surfaces of the keyway. This design improves the concentricity of the connection part, helps maintain the coaxiality of the shaft and the parts on the shaft, and reduces vibration and noise caused by eccentricity.

[0052] See also Figure 7 and Figure 8In one embodiment, the motor shaft of the drive motor 210 is provided with a third keyway 211, and the reducer 230 is further provided with a third groove 232. A flat key 400 is disposed in the third keyway 211. The third keyway 211 engages with the third groove 232 via the flat key 400, thereby connecting the reducer 230 to the motor shaft of the drive motor 210. Similarly, the motor shaft of the drive motor 210 and the reducer 230 are also connected together using the flat key 400, which facilitates assembly and disassembly of the reducer 230 and the drive motor 210, further improving installation efficiency.

[0053] See also Figure 6 In one embodiment, a sleeve 500 is provided between the reducer 230 and the two adjacent spiral wheels 310, and the two ends of the sleeve 500 are respectively in contact with the reducer 230 and the shaft sleeve 320. Specifically, a certain distance needs to be maintained between the reducer 230 and the two adjacent spiral wheels 310 to facilitate the operation of the spiral wheels 310, and at the same time, the spiral wheels 310 need to be limited in the axial direction of the rotating shaft 220. Therefore, a sleeve 500 is provided between the reducer 230 and the two adjacent spiral wheels 310, and the two ends of the sleeve 500 are respectively in contact with the reducer 230 and the shaft sleeve 320 to limit the position of the two spiral wheels 310 in the axial direction of the rotating shaft 220, while also ensuring that a certain distance is maintained between the reducer 230 and the two adjacent spiral wheels 310.

[0054] In one embodiment, the groove depth of the first keyway 221 and / or the second keyway 222 ranges from 3 mm to 8 mm. Specifically, to prevent the flat key 400 from easily disengaging from the first keyway 221 and / or the second keyway 222, and to ensure the stability of the connection between the rotating shaft 220, the sleeve 320, and the reducer 230 via the flat key 400, the groove depth of the first keyway 221 and / or the second keyway 222 is limited to between 3 mm and 8 mm. Exemplary groove depths of the first keyway 221 and / or the second keyway 222 may be 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, or 8 mm. These values ​​are approximate, taking into account manufacturing errors in actual product production.

[0055] In one embodiment, the length of the first keyway 221 and / or the second keyway 222 is 1 cm to 3 cm; and / or the width of the first keyway 221 and / or the second keyway 222 is 6 mm to 15 mm. Specifically, the length of the first keyway 221 and / or the second keyway 222 is 1 cm to 3 cm, which can ensure that the flat key 400, which is adapted in size and shape to the first keyway 221 and the second keyway 222, has a sufficiently long working surface to transmit torque, thereby improving the force transmission effect and making the connection between the rotating shaft 220 and the on-shaft structure (bushing 320 or reducer 230) via the flat key 400 more stable. The length of the first keyway 221 and / or the second keyway 222 can be, for example, 1 cm, 1.5 cm, 2 cm, 2.5 cm, or 3 cm. Considering the processing errors in the actual processing and production of the product, the aforementioned values ​​are approximate values. Similarly, the width of the first keyway 221 and / or the second keyway 222 is limited to 6 mm to 15 mm, which, on the one hand, facilitates production and processing, and on the other hand, has little impact on the strength of the rotating shaft 220, thereby ensuring the structural strength of the rotating shaft 220. The width of the first keyway 221 and / or the second keyway 222 can be, for example, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, or 15 mm. Considering the processing errors that may occur in the actual production of the product, the aforementioned values ​​are approximate.

[0056] See also Figure 3 and Figure 5 In one embodiment, a plurality of first key slots 221 and second key slots 222 are spaced apart in the axial direction of the rotating shaft 220 and their extension lines along the length direction are collinear. Specifically, the first key slots 221 and the second key slots 222 are spaced apart and extend a certain length along the axial direction of the rotating shaft 220 to ensure the reliability of the connection between the rotating shaft 220 and the on-shaft components (the bushing 320 and the reducer 230) via the flat key 400. The extension line of the first key slot 221 along its length direction refers to the center line of the slot width of the first key slot 221, which extends along the length direction of the first key slot 221, and the length direction of the first key slot 221 is in the same direction as the axial direction of the rotating shaft 220. Similarly, the extension line of the second key slot 222 along its length direction refers to the center line of the slot width of the second key slot 222, which extends along the length direction of the second key slot 222, and the length direction of the second key slot 222 is in the same direction as the axial direction of the rotating shaft 220. In other words, the plurality of first key slots 221 and second key slots 222 are collinear along the axial extension of the rotating shaft 220, i.e., the center lines of the plurality of first key slots 221 and second key slots 222 are aligned. This arrangement facilitates the machining of the first key slots 221 and second key slots 222, further improving production efficiency and facilitating the rapid positioning and assembly of the shaft components (the sleeve 320 and the reducer 230) later.

[0057] See also Figures 3 to 5 In one embodiment, the first axial hole 311a of the spiral wheel and the outer wall surface of the sleeve 320 are interference fit. Specifically, the spiral wheel has a spiral shaft 311 and a spiral blade 312, the spiral blade 312 is connected to the outer wall surface of the spiral shaft 311, the first axial hole 311a is formed in the spiral shaft 311, and the first axial hole 311a and the outer wall surface of the sleeve 320 are interference fit. Specifically, the spiral shaft 311 and the spiral blade 312 are integrally formed. In order to prevent the sleeve 320 from falling off from the first axial hole 311a, the outer wall surface of the sleeve 320 and the first axial hole 311a are interference fit. Furthermore, a clamping block 322 is provided on the outer wall surface of the sleeve 320, and a clamping groove 313 is provided on the spiral wheel 310 corresponding to the clamping block 322. The spiral wheel 310 and the sleeve 320 are clamped and interference fit. The provision of the clamping block 322 and the clamping groove 313 can prevent the sleeve 320 provided in the first axial hole 311a from rotating. At the same time, the number of the clamping blocks 322 and the clamping slots 313 can be set to two groups, and the setting of two groups of clamping blocks 322 and clamping slots 313 has a better anti-rotation effect.

[0058] See also Figures 1 to 3 In one embodiment, the lightweight, easy-to-assemble spiral wheel closing robot 10 further includes a sleeve protective cover 700 , which is connected to the sleeves 320 disposed at both ends of the rotating shaft 220 . Specifically, after the two spiral wheels 310 are mounted on the rotating shaft 220 via the sleeves 320 , the ends of the sleeves 320 need to be secured with nuts to prevent them from falling off the rotating shaft 220 . The sleeve protective cover 700 is connected to the sleeves 320 and covers the nuts. In this way, on the one hand, the nut can be protected to prevent the nut from loosening due to the friction with the grain during the operation of the lightweight flattening robot 10 which is easy to assemble with the spiral wheel, thereby affecting the stability of the connection between the sleeve 320 and the rotating shaft 220, and preventing the nut and the sleeve 320 from falling off or loosening from the rotating shaft 220; on the other hand, by connecting the sleeve protection cover 700 to the sleeve 320, the nut and the rotating shaft 220 can be prevented from rusting due to contact with the humid air in the granary. At the same time, it can also prevent fine impurities in the granary from entering the rotating shaft 220 through the gap between the nut and the rotating shaft 220 or the nut and the sleeve 320, or impurities from being stuck in the gap and affecting the operation of the rotating shaft 220.

[0059] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A warehouse closing robot (10) for facilitating the assembly of a spiral wheel, characterized in that: include: The housing (100) includes a main body (110) and mounting arms (120) extending outward from opposite sides of the main body (110); A driving device (200) comprises a driving motor (210) and a rotating shaft (220), wherein the driving motor (210) is arranged on the mounting arm (120), the rotating shaft (220) is in driving connection with the driving motor (210), and the rotating shaft (220) is provided with a plurality of first key slots (221) arranged at intervals; Two spiral wheel assemblies (300) are respectively arranged on opposite sides of the main body (110), the spiral wheel assembly (300) includes two spiral wheels (310) and a plurality of shaft sleeves (320), the spiral wheel (310) has a first shaft hole (311a); the shaft sleeve (320) has a second shaft hole (320a), the shaft sleeve (320) is arranged at both ends of the first shaft hole (311a), and the shaft sleeve (320) is provided with a first groove (321); and A flat key (400) is disposed in the first keyway (221); The positions of the plurality of first keyways (221) are arranged corresponding to the positions of the plurality of first grooves (321), and the second shaft hole (320a) of the shaft sleeve (320) is sleeved with the rotating shaft (220), and the flat key (400) arranged in the first keyway (221) cooperates with the first groove (321) to enable the shaft sleeve (320) to be transmission-connected with the rotating shaft (220).

2. The warehouse closing robot (10) for facilitating the assembly of the spiral wheel according to claim 1, characterized in that: In the length direction of the main body (110), the two spiral wheels (310) of one spiral wheel assembly (300) are respectively located on opposite sides of the mounting arm (120); the driving device (200) further comprises a reducer (230); the reducer (230) is arranged between the two spiral wheels (310); and the reducer (230) is in driving connection with the motor shaft of the driving motor (210).

3. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to claim 2, characterized in that: A second keyway (222) is further provided on the rotating shaft (220) corresponding to the reducer (230); the reducer (230) is sleeved on the rotating shaft (220) and a second groove (231) is provided corresponding to the second keyway (222); a flat key (400) is provided in the second keyway (222); the second keyway (222) is matched with the second groove (231) through the flat key (400), so that the reducer (230) is connected to the rotating shaft (220) in a transmission manner.

4. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to claim 2, characterized in that: A third keyway (211) is provided on the motor shaft of the drive motor (210), and the reducer (230) is further provided with a third groove (232). A flat key (400) is provided in the third keyway (211), and the third keyway (211) cooperates with the third groove (232) via the flat key (400), so that the reducer (230) is connected to the motor shaft of the drive motor (210).

5. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to claim 2, characterized in that: A ring sleeve (500) is provided between the reducer (230) and the two adjacent spiral wheels (310), and two ends of the ring sleeve (500) are respectively in contact with the reducer (230) and the shaft sleeve (320).

6. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to claim 3, characterized in that: The groove depth of the first key groove (221) and / or the second key groove (222) ranges from 3 mm to 8 mm.

7. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to claim 3, characterized in that: The length of the first groove (321) and / or the second keyway (222) is 1 cm to 3 cm; and / or, The width of the first groove (321) and / or the second keyway (222) is 6 mm to 15 mm.

8. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to claim 3, characterized in that: In the axial direction of the rotating shaft (220), the plurality of first key grooves (221) and the second key grooves (222) are arranged at intervals and their extension lines along the length direction are collinear.

9. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to any one of claims 1 to 8, characterized in that: The first shaft hole (311a) of the spiral wheel (310) and the outer wall surface of the shaft sleeve (320) are interference fit.

10. The warehouse closing robot (10) for facilitating the assembly of a spiral wheel according to any one of claims 1 to 8, characterized in that: The outer wall surface of the shaft sleeve (320) is provided with a clamping block (322), and the spiral wheel (310) is provided with a clamping groove (313) corresponding to the clamping block (322), and the spiral wheel (310) and the shaft sleeve (320) are clamped and interference-fitted.

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