Trundle assembling system

Abstract

The utility model discloses a trundle assembling system which comprises a main machine frame, a plurality of first stations and a plurality of second stations, the main machine frame comprises a base and a main conveying mechanism, the main conveying mechanism is rotatably arranged at the top of the base, and the main conveying mechanism is provided with a plurality of second stations which are arranged at intervals in the conveying direction; the mandrel feeding device is arranged on the base, located outside the main conveying mechanism and used for placing mandrels on the first station, and the main conveying mechanism is used for conveying the mandrels placed on the first station to the next assembly station; and the bottom plate feeding device is arranged outside the main conveying mechanism, located in front of the mandrel conveying direction of the main conveying mechanism and used for sleeving the mandrels placed on the first station with bottom plates from top to bottom. The trundle assembling system is more convenient and efficient to debug and maintain, higher in operation convenience, stability and reliability and higher in production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, and in particular to a caster assembly system. Background Technology

[0002] Casters include movable casters, fixed casters, and movable casters with brakes. CN218776060U discloses a mandrel threading device and its caster assembly equipment. In the assembly process, the mandrel is first inserted into the shaft hole of the base plate from bottom to top, and then the mandrel and the base plate are placed together in the assembly station of the rotating plate. This assembly method has the following shortcomings: the assembly structure of the mandrel and the base plate is relatively complex, the stability and efficiency are poor, and the debugging and maintenance are inconvenient. Summary of the Invention

[0003] This utility model aims to at least partially solve one of the problems existing in the prior art. To this end, this utility model proposes a caster assembly system that is more convenient and efficient for debugging and maintenance, has stronger operation convenience and stability, and higher production efficiency.

[0004] The caster assembly system described above is achieved through the following technical solution:

[0005] A caster assembly system includes: a main frame, comprising a base and a main conveying mechanism, the main conveying mechanism being rotatably disposed on the top of the base, and having a plurality of first stations spaced apart along the conveying direction on the main conveying mechanism; a mandrel feeding device, disposed on the base and located outside the main conveying mechanism, for placing mandrels on the first stations, the main conveying mechanism for conveying the mandrels placed on the first stations to the next assembly station; and a base plate feeding device, disposed outside the main conveying mechanism and located in front of the main conveying mechanism in the direction of conveying the mandrels, for fitting the base plate from top to bottom onto the mandrels placed on the first stations.

[0006] In some embodiments, the mandrel feeding device includes a mandrel conveying mechanism and a mandrel transfer mechanism. The mandrel conveying mechanism is used to transport the mandrel to the vicinity of the first workstation. The mandrel transfer mechanism is disposed at one end of the mandrel conveying mechanism near the main conveying mechanism and is used to transfer the mandrel from the mandrel conveying mechanism to the first workstation. A first detection component and a second detection component are respectively provided at opposite ends of the mandrel conveying mechanism. The first detection component is arranged near the main conveying mechanism and is used to detect whether a mandrel has been conveyed to the vicinity of the mandrel transfer mechanism. The second detection component is arranged away from the main conveying mechanism and is used to detect whether a mandrel is being fed at the end of the mandrel conveying mechanism away from the main conveying mechanism.

[0007] In some embodiments, the mandrel transfer mechanism includes a fixed bracket, a lifting bracket, a mandrel transfer assembly, a lateral drive assembly, and a vertical drive assembly. The lifting bracket is movably mounted on the fixed bracket, the mandrel transfer assembly is movably mounted on the lifting bracket, the lateral drive assembly is mounted on the fixed bracket and its output end is connected to the lifting bracket to drive the lifting bracket to move laterally, and the vertical drive assembly is mounted on the lifting bracket and its output end is connected to the mandrel transfer assembly to drive the mandrel transfer assembly to move up and down.

[0008] In some embodiments, the mandrel transfer mechanism further includes two limit switch assemblies, which are mounted on the fixed bracket and located on opposite outer sides of the lifting bracket, for limiting the lateral movement of the lifting bracket and / or for detecting whether the lifting bracket has moved into position.

[0009] In some embodiments, the mandrel feeding device further includes a mandrel feeding mechanism, which is located at the end of the mandrel conveying mechanism away from the first station, and is used to convey the mandrel onto the mandrel conveying mechanism.

[0010] In some embodiments, the base plate feeding device includes a base plate conveying mechanism and a base plate transfer mechanism. The base plate conveying mechanism is disposed outside the main conveying mechanism and in front of the main conveying mechanism in the direction of conveying the mandrel, and is used to convey the base plate to the vicinity of the main conveying mechanism. The mandrel transfer mechanism is disposed at one end of the mandrel conveying mechanism near the main conveying mechanism, and is used to transfer the mandrel from the mandrel conveying mechanism and place it on the first workstation.

[0011] In some embodiments, at least one bottom plate feeding mechanism is provided at the end of the bottom plate conveying mechanism away from the main conveying mechanism. The discharge port of the bottom plate feeding mechanism is arranged facing the conveying part of the bottom plate conveying mechanism, and is used to place the bottom plate on the conveying part of the bottom plate transfer mechanism. The bottom plate transfer mechanism is provided with a guide part arranged opposite to the discharge port.

[0012] In some embodiments, the bottom plate feeding mechanism includes a material channel assembly, a misalignment assembly, and a pusher. The material channel assembly has an inclined discharge channel with its lower end open to form a discharge port. A bottom plate assembly and a pusher are disposed within the discharge channel. The pusher is located on the side of the bottom plate away from the discharge port and is used to push the bottom plate assembly toward the discharge port. The misalignment assembly is located at the discharge port and is used to push the bottom plate that has moved to the discharge port onto the conveying unit.

[0013] In some embodiments, the base plate has an upward-opening base plate groove, and an oiling device and a steel ball feeding device are sequentially arranged in the transmission direction of the main conveying mechanism. The oiling device is located on the side of the base plate feeding device away from the mandrel feeding device and is used to apply lubricating oil to the base plate groove. The steel ball feeding device is used to place steel balls in the base plate groove coated with lubricating oil.

[0014] In some embodiments, a dial feeding device, an oiling device, and a steel ball feeding device are sequentially arranged in the transmission direction of the main conveying mechanism. The dial feeding device is located on the side of the base plate feeding device away from the spindle feeding device, and is used to set the dial on the top of the base plate and fit it over the spindle. The oiling device is used to apply lubricating oil to the dial groove of the dial. The steel ball feeding device is used to place steel balls in the dial groove coated with lubricating oil.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] The caster assembly system of this utility model first places the mandrel on the first station of the main conveyor mechanism through the mandrel feeding device, and then the base plate feeding device puts the base plate on the mandrel from top to bottom, so that the mandrel and the base plate are separated. Compared with the existing method of assembling the mandrel and the base plate and then placing them together on the turntable, it is more convenient and efficient for debugging and maintenance, and has stronger operation convenience, stability and reliability, and higher production efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the caster assembly system in an embodiment of this utility model;

[0018] Figure 2 This is a top view of the caster assembly system in an embodiment of this utility model;

[0019] Figure 3 This is a schematic diagram of the main frame structure in an embodiment of this utility model;

[0020] Figure 4 This is a schematic diagram of the mandrel feeding device in an embodiment of this utility model;

[0021] Figure 5 This is a schematic diagram of the mandrel transfer mechanism in an embodiment of this utility model;

[0022] Figure 6 This is a schematic diagram of the bottom plate loading device in an embodiment of this utility model;

[0023] Figure 7 This is a schematic diagram of the base plate transfer mechanism in an embodiment of this utility model.

[0024] In the diagram: 1-Main frame, 11-Base, 12-Main conveying mechanism, 121-First station, 122-Second station; 2-Mandrel feeding device, 20-Mandrel, 21-Mandrel conveying mechanism, 22-Mandrel transfer mechanism, 221-Fixed bracket, 222-Lifting bracket, 223-Mandrel transfer assembly, 224-Horizontal drive assembly, 225-Vertical drive assembly, 226-Limit switch assembly, 231-First detection assembly, 232-Second detection assembly, 24-Mandrel feeding mechanism, 241-Mandrel feed channel, 242-Mandrel vibratory feeder; 3 - Bottom plate feeding device, 30- Bottom plate, 31- Bottom plate conveying mechanism, 311- Conveying part, 312- Guide part, 32- Bottom plate transfer mechanism, 321- Fixed support, 322- Lifting support, 323- Bottom plate material transfer assembly, 324- First drive assembly, 325- Second drive assembly, 33- Bottom plate feeding mechanism, 331- Material channel assembly, 332- Misalignment assembly, 333- Pushing component; 4- Dial feeding device, 40- Dial, 401- Dial groove; 5- Oiling device; 6- Steel ball feeding device; 7- Riveting device; 8- Removal device. Detailed Implementation

[0025] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific implementation of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solution claimed by the present invention.

[0026] Example 1

[0027] refer to Figure 1-3 This embodiment provides a caster assembly system, including a main frame 1, a spindle feeding device 2, and a base plate feeding device 3. The main frame 1 includes a base 11 and a main conveying mechanism 12. The main conveying mechanism 12 is preferably a rotating disk, which is rotatably disposed on the top of the base 11. The main conveying mechanism 12 is provided with a plurality of first stations 121 arranged at intervals along the conveying direction. In this embodiment, the main conveying mechanism 12 is provided with a plurality of second stations 122 arranged at intervals along the conveying direction. The plurality of second stations 122 and the plurality of first stations 121 are arranged alternately along the conveying direction.

[0028] The mandrel loading device 2 and the base plate loading device 3 are arranged at intervals along the transmission direction of the main conveying mechanism 12. The mandrel loading device 2 is set on the base 11 and located outside the main conveying mechanism 12. It is used to place the mandrel 20 on the first station 121 that has been moved to its vicinity. The main conveying mechanism 12 is used to transport the mandrel 20 placed on the first station 121 to the next assembly station (i.e., the base plate assembly station). The base plate loading device 3 is set outside the main conveying mechanism 12 and located in front of the main conveying mechanism 12 in the direction of conveying the mandrel 20. It is used to fit the base plate 30 from top to bottom onto the mandrel 20 placed on the first station 121.

[0029] During the caster assembly process, the spindle feeding device 2 first places the spindle on the first station 121 of the main conveyor mechanism 12. The main conveyor mechanism 12 then transports the spindle 20 placed on the first station 121 to the base plate assembly station. Then, the base plate feeding device 3 places the base plate 30 over the spindle 20 from top to bottom. This allows the spindle and the base plate to be placed separately at the first station. Compared with the existing method of assembling the spindle and the base plate and then placing them together on the turntable, this method is more convenient and efficient for debugging and maintenance, and offers greater ease of operation, stability, reliability, and production efficiency.

[0030] refer to Figure 1-5 The mandrel feeding device 2 includes a mandrel conveying mechanism 21 and a mandrel transfer mechanism 22. The mandrel conveying mechanism 21 is mounted on the base 11 and located outside the main conveying mechanism 12, and is used to convey mandrels 20 one by one to the vicinity of the first workstation 121. The mandrel transfer mechanism 22 is located at the end of the mandrel conveying mechanism 21 near the main conveying mechanism 12, and is used to transfer mandrels 20 from the mandrel conveying mechanism 21 to the first workstation 121 near it. Specifically, mandrels 20 can be placed one by one onto the mandrel conveying mechanism 21 manually, or the mandrel feeding mechanism 24 can automatically convey mandrels 20 one by one onto the mandrel conveying mechanism 21.

[0031] In this embodiment, a first detection component 231 and a second detection component 232 are respectively provided at opposite ends of the mandrel conveying mechanism 21. The first detection component 231 is arranged close to the main conveying mechanism 12 and is used to detect whether a mandrel 20 is being conveyed to the vicinity of the mandrel transfer mechanism 22. The second detection component 232 is arranged away from the main conveying mechanism 12 and is used to detect whether a mandrel 20 is being fed at the end of the mandrel conveying mechanism 21 away from the main conveying mechanism 12. Of course, it can also be configured to detect whether the placement direction of the mandrel 20 is correct, so as to avoid affecting the operation of the mandrel transfer mechanism 22.

[0032] refer to Figure 4-5The mandrel transfer mechanism 22 includes a fixed bracket 221, a lifting bracket 222, a mandrel transfer assembly 223, a horizontal drive assembly 224, and a vertical drive assembly 225. The fixed bracket 221 is mounted on the base 11 and located outside the main conveying mechanism 12. The lifting bracket 222 is movably mounted on the fixed bracket 221. The mandrel transfer assembly 223 is movably mounted on the lifting bracket 222. The horizontal drive assembly 224 is mounted on the fixed bracket 221 and its output end is connected to the lifting bracket 222, which is used to drive the lifting bracket 222 to move horizontally relative to the fixed bracket 221. The vertical drive assembly 225 is mounted on the lifting bracket 222 and its output end is connected to the mandrel transfer assembly 223, which is used to drive the mandrel transfer assembly 223 to move up and down.

[0033] In this embodiment, the fixed bracket 221 includes a vertical bracket and a horizontal bracket. The lifting bracket 222 is mounted on the vertical bracket via the horizontal bracket. The horizontal bracket can move vertically relative to the vertical bracket, and the horizontal bracket and the vertical bracket are locked or unlocked by a locking assembly. This allows for flexible height adjustment according to actual conditions, enabling the mandrel feeding device 2 to adapt to mandrel feeding at different heights. In other embodiments, the horizontal bracket can be fixedly mounted on the vertical bracket to prevent it from moving up and down relative to the vertical bracket.

[0034] refer to Figure 5 Furthermore, the spindle transfer mechanism 22 also includes two limit switch assemblies 226. The two limit switch assemblies 226 are mounted on the fixed bracket 221 and located on opposite outer sides of the lifting bracket 222, used to limit the lateral movement of the lifting bracket 222, and / or to detect whether the lifting bracket 222 has moved into position. In this embodiment, the limit switch assembly 226 includes a limiting part and a detection switch. The limiting part is mounted on the left or right end of the lateral support of the fixed bracket 221 to limit the lifting bracket 222 to the left or right. The detection switch is mounted on the left or right end of the lateral support of the fixed bracket 221 to detect whether the lifting bracket 222 has moved into position.

[0035] refer to Figure 4 The mandrel feeding device 2 further includes a mandrel feeding mechanism 24, which is located at the end of the mandrel conveying mechanism 21 away from the first station 121, and is used to feed mandrels 20 one by one onto the mandrel conveying mechanism 21. In this embodiment, the mandrel feeding mechanism 24 includes a mandrel feed channel 241 and a mandrel vibrating plate 242, and the outlet of the mandrel vibrating plate 242 is connected to the end of the mandrel conveying mechanism 21 away from the first station 121 through the mandrel feed channel 241.

[0036] refer to Figure 1-3 and Figure 6-7The base plate feeding device 3 includes a base plate conveying mechanism 31 and a base plate transfer mechanism 32. The base plate conveying mechanism 31 is located outside the main conveying mechanism 12 and in front of the main conveying mechanism 12 in the direction of conveying the mandrel 20, and is used to convey the base plates 30 one by one to the vicinity of the main conveying mechanism 12. The mandrel transfer mechanism 22 is located at one end of the mandrel conveying mechanism 21 near the main conveying mechanism 12, and is used to transfer the mandrel 20 from the mandrel conveying mechanism 21 and place it on one of the first workstations 121.

[0037] refer to Figure 7 In this embodiment, the base plate transfer mechanism 32 includes a fixed base 321, a lifting support 322, a base plate transfer assembly 323, a first drive assembly 324, and a second drive assembly 325. The fixed base 321 is disposed on the base 11 and located outside the main conveying mechanism 12. The lifting support 322 is movably disposed on the fixed base 321. The base plate transfer assembly 323 is movably mounted on the lifting support 322. The first drive assembly 324 is disposed on the fixed base 321 and its output end is connected to the lifting support 322, and is used to drive the lifting support 322 to move laterally relative to the fixed base 321. The second drive assembly 325 is disposed on the lifting support 322 and its output end is connected to the base plate transfer assembly 323, and is used to drive the base plate transfer assembly 323 to move up and down.

[0038] refer to Figure 6 Furthermore, it also includes a bottom plate loading mechanism 33. At least one bottom plate loading mechanism 33 is provided at the end of the bottom plate conveying mechanism 31 away from the main conveying mechanism 12. The discharge port of the bottom plate loading mechanism 33 is arranged facing the conveying section 311 of the bottom plate conveying mechanism 31, and is used to place the bottom plates 30 one by one onto the conveying section 311 of the bottom plate transfer mechanism 32. The bottom plate transfer mechanism 32 is provided with a guide section 312 arranged opposite to the discharge port. The guide section 312 is used to guide the bottom plates 30 falling from the discharge port to fall accurately onto the conveying section 311, and can also prevent the bottom plates 30 from falling outside the bottom plate conveying mechanism 31 during the falling process. In this embodiment, there are two bottom plate loading mechanisms 33, which are arranged at intervals along the conveying direction of the bottom plate conveying mechanism 31, and the guide sections 312 are respectively arranged opposite to the discharge ports of the two bottom plate loading mechanisms 33.

[0039] In this embodiment, the bottom plate feeding mechanism 33 includes a material channel assembly 331, a misalignment assembly 332, and a pusher 333. The material channel assembly 331 has a discharge channel (not shown in the figure) arranged obliquely in the vertical direction. The lower end of the discharge channel is open to form a discharge port facing the conveying part 311 of the bottom plate conveying mechanism 31. A bottom plate assembly and the pusher 333 are provided in the discharge channel. The bottom plate assembly includes a plurality of bottom plates 30 stacked sequentially along the length of the discharge channel. The pusher 333 is located on the side of the bottom plate 30 away from the discharge port and is used to automatically push the bottom plate assembly along the discharge channel toward the discharge port. The misalignment assembly 332 is located at the discharge port and is used to push the bottom plates 30 that have moved to the discharge port one by one onto the conveying part 311. Thus, with the cooperation of the misalignment assembly 332 and the pusher 333, the individual bottom plates 30 of the bottom plate assembly can be pushed onto the conveying part 311 stably and reliably.

[0040] Example 2

[0041] refer to Figure 1-2 The difference between this embodiment and embodiment 1 is that the base plate 30 is provided with an upward-opening base plate groove, and an oiling device 5 and a steel ball feeding device 6 are sequentially provided in the transmission direction of the main conveying mechanism 12. The oiling device 5 is located on the side of the base plate feeding device 3 away from the spindle feeding device 2, and is used to apply lubricating oil to the base plate groove. The steel ball feeding device 6 is used to place steel balls in the base plate groove coated with lubricating oil.

[0042] Furthermore, a riveting device 7 and a take-out device 8 are also provided in the transmission direction of the main conveying mechanism 12. The riveting device 7 is located between the take-out device 8 and the steel ball feeding device 6. In addition, a manual assembly station is provided between the riveting device 7 and the steel ball feeding device 6 for workers to install the bracket on the first station and for workers to place the small dial on the second station.

[0043] Example 3

[0044] refer to Figure 1-2 The difference between this embodiment and embodiment 2 is that the bottom plate 30 omits the upward-opening bottom plate groove. In this case, the caster assembly system also includes a dial feeding device 4. That is, the dial feeding device 4, the oiling device 5, and the steel ball feeding device 6 are arranged sequentially in the transmission direction of the main transmission mechanism 12. The dial feeding device 4 is located on the side of the bottom plate feeding device 3 away from the spindle feeding device 2. It is used to set the dial 40 on the top of the bottom plate 30 and fit it on the outside of the spindle 20. The oiling device 5 is used to apply lubricating oil to the dial groove 401 of the dial 40. The steel ball feeding device 6 is used to place steel balls in the dial groove 401 coated with lubricating oil.

[0045] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A caster assembly system, characterized in that, include: The main frame (1) includes a base (11) and a main conveying mechanism (12). The main conveying mechanism (12) is rotatably disposed on the top of the base (11). A plurality of first stations (121) are arranged at intervals along the conveying direction on the main conveying mechanism (12). The mandrel feeding device (2) is set on the base (11) and located outside the main conveying mechanism (12), and is used to place the mandrel (20) on the first station (121). The main conveying mechanism (12) is used to transport the mandrel (20) placed on the first station (121) to the next assembly station. as well as The base plate feeding device (3) is located outside the main conveying mechanism (12) and in front of the main conveying mechanism (12) in the direction of conveying mandrel (20), and is used to fit the base plate (30) from top to bottom onto the mandrel (20) placed on the first station (121).

2. The caster assembly system according to claim 1, characterized in that, The mandrel feeding device (2) includes a mandrel conveying mechanism (21) and a mandrel transfer mechanism (22). The mandrel conveying mechanism (21) is used to convey the mandrel (20) to the vicinity of the first station (121). The mandrel transfer mechanism (22) is located at one end of the mandrel conveying mechanism (21) near the main conveying mechanism (12) and is used to transfer the mandrel (20) from the mandrel conveying mechanism (21) to the first station (121). A first detection component (231) and a second detection component (232) are respectively provided at opposite ends of the mandrel conveying mechanism (21). The first detection component (231) is arranged close to the main conveying mechanism (12) and is used to detect whether a mandrel (20) is conveyed to the vicinity of the mandrel transfer mechanism (22). The second detection component (232) is arranged away from the main conveying mechanism (12) and is used to detect whether a mandrel (20) is being fed at the end of the mandrel conveying mechanism (21) away from the main conveying mechanism (12).

3. The caster assembly system according to claim 2, characterized in that, The mandrel transfer mechanism (22) includes a fixed bracket (221), a lifting bracket (222), a mandrel transfer assembly (223), a horizontal drive assembly (224), and a vertical drive assembly (225). The lifting bracket (222) is movably mounted on the fixed bracket (221). The mandrel transfer assembly (223) is movably mounted on the lifting bracket (222). The horizontal drive assembly (224) is mounted on the fixed bracket (221) and its output end is connected to the lifting bracket (222) to drive the lifting bracket (222) to move horizontally. The vertical drive assembly (225) is mounted on the lifting bracket (222) and its output end is connected to the mandrel transfer assembly (223) to drive the mandrel transfer assembly (223) to move up and down.

4. A caster assembly system according to claim 3, characterized in that, The spindle transfer mechanism (22) further includes two limit switch assemblies (226), which are mounted on the fixed bracket (221) and located on opposite outer sides of the lifting bracket (222). They are used to limit the lateral movement of the lifting bracket (222) and / or to detect whether the lifting bracket (222) has moved into place.

5. A caster assembly system according to claim 2, characterized in that, The mandrel feeding device (2) further includes a mandrel feeding mechanism (24), which is located at one end of the mandrel conveying mechanism (21) away from the first station (121) and is used to convey the mandrel (20) onto the mandrel conveying mechanism (21).

6. A caster assembly system according to claim 2, characterized in that, The bottom plate feeding device (3) includes a bottom plate conveying mechanism (31) and a bottom plate transfer mechanism (32). The bottom plate conveying mechanism (31) is located outside the main conveying mechanism (12) and in front of the main conveying mechanism (12) in the direction of conveying the mandrel (20). It is used to convey the bottom plate (30) to the vicinity of the main conveying mechanism (12). The mandrel transfer mechanism (22) is located at one end of the mandrel conveying mechanism (21) near the main conveying mechanism (12). It is used to transfer the mandrel (20) from the mandrel conveying mechanism (21) and place it on the first station (121).

7. A caster assembly system according to claim 6, characterized in that, At least one bottom plate feeding mechanism (33) is provided at one end of the bottom plate conveying mechanism (31) away from the main conveying mechanism (12). The discharge port of the bottom plate feeding mechanism (33) is arranged facing the conveying part (311) of the bottom plate conveying mechanism (31) for placing the bottom plate (30) on the conveying part (311) of the bottom plate transfer mechanism (32). The bottom plate transfer mechanism (32) is provided with a guide part (312) arranged opposite to the discharge port.

8. A caster assembly system according to claim 7, characterized in that, The bottom plate feeding mechanism (33) includes a material channel assembly (331), a misalignment assembly (332), and a pusher (333). The material channel assembly (331) is provided with an inclined discharge channel (3311). The lower end of the discharge channel (3311) is open to form a discharge port. The bottom plate assembly and the pusher (333) are provided in the discharge channel (3311). The pusher (333) is located on the side of the bottom plate (30) away from the discharge port and is used to push the bottom plate assembly toward the discharge port. The misalignment assembly (332) is located at the discharge port and is used to push the bottom plate (30) that has moved to the discharge port onto the conveyor (311).

9. A caster assembly system according to any one of claims 1-8, characterized in that, The base plate (30) is provided with an upward-opening base plate groove. An oiling device (5) and a steel ball feeding device (6) are sequentially provided in the transmission direction of the main conveying mechanism (12). The oiling device (5) is located on the side of the base plate feeding device (3) away from the spindle feeding device (2) and is used to apply lubricating oil to the base plate groove. The steel ball feeding device (6) is used to place steel balls in the base plate groove coated with lubricating oil.

10. A caster assembly system according to any one of claims 1-8, characterized in that, A dial feeding device (4), an oiling device (5), and a steel ball feeding device (6) are sequentially arranged in the transmission direction of the main conveying mechanism (12). The dial feeding device (4) is located on the side of the base plate feeding device (3) away from the spindle feeding device (2) and is used to place the dial (40) on the top of the base plate (30) and fit it on the outside of the spindle (20). The oiling device (5) is used to apply lubricating oil to the dial groove (401) of the dial (40). The steel ball feeding device (6) is used to place steel balls in the dial groove (401) coated with lubricating oil.

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