Steel ball assembling device

By designing the steel ball assembly device, the automatic assembly and flip of the steel ball is achieved, solving the problem of low efficiency in traditional bearing assembly, and improving the production efficiency and automation level.

CN223250997UActive Publication Date: 2025-08-22NINGBO ZEE AUTOMATION EQUIP
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Patent Information

Application Number
CN202422561974.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-22
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

During the traditional bearing assembly process, the steel ball installation efficiency is low and requires manual flip of the cage, which affects the overall efficiency.

Method used

A steel ball assembly device is designed, including a cage, assembly mechanism, moving mechanism and flip mechanism, and assemble the steel balls into the cage through automated means, and the assembled cage is flipped to a unified posture to achieve automated production.

Benefits of technology

The steel ball installation efficiency is improved, ensuring that the cage is transported to subsequent processing equipment in the same posture, and improving production efficiency and automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a steel ball assembling device, and relates to the technical field of bearing equipment. The steel ball assembling device comprises a retainer, an assembling mechanism, a moving mechanism and a turnover mechanism. The retainer comprises a first side and a second side which are opposite to each other, and a plurality of clamping grooves are formed in the first side; the assembling mechanism is provided with a plurality of assembling grooves, the clamping grooves correspond to the assembling grooves in a one-to-one mode, and the assembling grooves are used for containing steel balls and pressing the steel balls located in the assembling grooves into the clamping grooves from the first sides or the second sides; the retainer is moved to the assembling mechanism through the moving mechanism, the steel balls are assembled into the clamping grooves in the retainer through the assembling mechanism, then the retainer is moved to the position of the overturning mechanism through the moving mechanism, and finally the retainer is overturned to be in the state that the first side faces upwards or the second side faces upwards through the overturning mechanism, so that the whole process is high in automation degree; the mounting efficiency is effectively improved, the retainers loaded with the steel balls can be conveyed to follow-up machining equipment in the same posture, and the production efficiency is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bearing equipment, in particular to a steel ball assembly device. Background Art

[0002] During the bearing assembly process, multiple steel balls need to be installed into the cage. Traditionally, this method involves manually installing each steel ball individually, resulting in low installation efficiency. While existing steel ball installation equipment is available, it still requires manual flipping of the cage after the balls are installed, further impacting installation efficiency. Utility Model Content

[0003] The purpose of the present utility model is to provide a steel ball assembly device, which can solve the above problems.

[0004] The embodiment of the present utility model is achieved as follows:

[0005] In a first aspect, the present invention provides a steel ball assembly device, comprising:

[0006] A retainer, the retainer comprising a first side and a second side opposite to each other, the first side being provided with a plurality of slots;

[0007] An assembly mechanism, wherein the assembly mechanism is provided with a plurality of assembly slots, the plurality of clamping slots are provided in a one-to-one correspondence with the plurality of assembly slots, the assembly slots are used to accommodate the steel balls and to press the steel balls located in the assembly slots into the clamping slots from a first side or a second side;

[0008] A moving mechanism, the moving mechanism being used to move the retaining frame to the assembly mechanism, or to move the retaining frame equipped with steel balls to a flipping mechanism;

[0009] A flipping mechanism is used to receive the retaining frame and flip the retaining frame so that the first side or the second side of the retaining frame is vertically facing upward.

[0010] In an optional embodiment, the flipping mechanism includes a first rotating member, a first driving member and two first clamps; the output end of the first rotating member is connected to the first driving member, for driving the first driving member to rotate along the vertical plane direction, and the two first clamps are both arranged on the first driving member, for moving toward or away from each other under the drive of the first driving member to clamp or detach from the retaining frame.

[0011] In an optional embodiment, the assembly mechanism includes a base, an assembly seat and an assembly part, the assembly seat is arranged on the base, the assembly part can be movably arranged in the assembly seat, the assembly part is provided with a plurality of first grooves, and the assembly seat is provided with a plurality of second grooves, the plurality of first grooves and the plurality of second grooves correspond one to one and together form a plurality of assembly grooves.

[0012] In an optional embodiment, the assembly mechanism further includes a connecting member and a second rotating member, one end of the connecting member is connected to the assembly member, and the other end is connected to the output end of the second rotating member, for driving the assembly member to rotate under the drive of the second rotating member.

[0013] In an optional embodiment, the connecting member includes a guide shaft and an elastic member, the guide shaft is connected to the assembly member, the elastic member is sleeved outside the guide shaft, and one end of the elastic member is connected to the assembly member, and the other end is connected to the output end of the second rotating member.

[0014] In an optional embodiment, the assembly seat and the assembly part are detachably connected to the base.

[0015] In an optional embodiment, the moving mechanism includes a third rotating member, a second driving member, a third driving member and two second clamps, and the two second clamps are both arranged on the second driving member, and are used to move toward or away from each other under the drive of the second driving member to clamp or disengage from the retaining frame, and the second driving member, the third rotating member and the third driving member are connected in sequence, and the third driving member is used to drive the third rotating member to move vertically, and the third rotating member is used to drive the second driving member to rotate in the horizontal direction.

[0016] In an optional embodiment, the moving mechanism further includes a fixing member and a guide rod, the fixing member is connected to the third driving member, the guide rod is vertically movably disposed on the fixing member, and the guide rod is also connected to the third rotating member.

[0017] In an optional embodiment, the steel ball assembly device further includes a conveying mechanism, wherein the conveying mechanism is provided with a conveying channel, and the conveying channel is used to sequentially convey the steel balls to the plurality of assembly slots.

[0018] In an optional embodiment, the steel ball assembly device further includes a ball retrieval member and a storage box, and the ball retrieval mechanism is used to pick up the steel balls located in the storage box and transport the steel balls to the transport mechanism.

[0019] The beneficial effects of the steel ball assembly device provided by the embodiment of the present utility model include: the assembly mechanism is provided with a plurality of assembly slots, and the plurality of assembly slots are distributed in a ring shape. When the retaining frame is placed on the assembly mechanism with the first side facing upward or the second side facing upward, the plurality of slots are provided in a one-to-one correspondence with the plurality of assembly slots, and the assembly slots are used to accommodate steel balls. At this time, by applying downward pressure to the retaining frame, the steel balls located in the assembly slots can be pressed into the slots from the first side or the second side. In this process, the retaining frame can be transported by a moving mechanism, that is, the moving mechanism can move the retaining frame to the assembly mechanism and play a fixing role, or the retaining frame can be moved to a flipping mechanism after the steel balls are installed on the retaining frame. Therefore, the retaining frame is taken over by the flipping mechanism, and the retaining frame is flipped by the flipping mechanism so that the first side or the second side of the retaining frame is vertically facing upward, so that the placement state of the retaining frame with the steel balls installed is consistent, thereby meeting the requirements of subsequent processes. It can be seen that the steel ball assembly device provided by the embodiment of the utility model moves the retaining frame to the assembly mechanism through the moving mechanism, and the steel balls are assembled into the slots in the retaining frame by the assembly mechanism, and then the retaining frame is moved to the flipping mechanism by the moving mechanism, and finally the retaining frame is flipped by the flipping mechanism to a state where the first side is facing up or the second side is facing up. The entire process not only has a high degree of automation and effectively improves the installation efficiency, but also allows the retaining frame with the steel balls installed to be transported to subsequent processing equipment in the same posture, further improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic structural diagram of a steel ball assembly device provided in an embodiment of the present utility model;

[0022] Figure 2 A schematic diagram of the structure of the flip mechanism provided in an embodiment of the utility model;

[0023] Figure 3 A schematic diagram of a partial structure of a steel ball assembly device provided in an embodiment of the present utility model;

[0024] Figure 4 A partial structural cross-sectional view of an assembly mechanism according to an embodiment of the present invention;

[0025] Figure 5 This is a partial structural diagram of the assembly mechanism provided in an embodiment of the utility model.

[0026] Icons: 10-steel ball assembly device; 100-holder; 110-first side; 111-slot; 120-second side; 200-assembly mechanism; 210-assembly slot; 220-base; 230-assembly seat; 231-second slot; 240-assembly part; 241-first slot; 250-connecting part; 251-guide shaft; 252-elastic part; 260-second rotating part; 300-moving mechanism; 310-third rotating part; 320-second driving part; 330-third driving part; 340-second clamping part; 350-fixing part; 360-guide rod; 400-flipping mechanism; 410-first rotating part; 420-first driving part; 430-first clamping part; 500-conveyance mechanism; 510-conveyance channel; 600-ball taking part; 700-storage box. DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0030] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] Furthermore, terms such as "horizontal" and "vertical" do not necessarily mean that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0032] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0033] During the bearing assembly process, multiple steel balls need to be installed on the retaining cage. The traditional installation method is to manually install multiple steel balls one by one on the retaining cage, which has low installation efficiency. Although there are currently steel ball installation equipment, the existing equipment still requires manual flipping of the retaining cage after the steel balls are installed, which still affects the installation efficiency.

[0034] Based on the above questions, please refer to Figures 1 to 5 The embodiment of the present invention provides a steel ball assembly device 10, which can be applied to bearing manufacturing equipment. It can assemble bearings in a funny way and automatically flip the installed bearings, effectively solving the above-mentioned problems.

[0035] In detail, the steel ball assembly device 10 includes a holder 100 , an assembly mechanism 200 , a moving mechanism 300 , and a turning mechanism 400 .

[0036] The retainer 100 includes a first side 110 and a second side 120, which are opposite to each other. The first side 110 is provided with a plurality of slots 111. It is understood that when the first side 110 of the retainer 100 is placed vertically upward, the slots 111 of the retainer 100 face upward. Similarly, when the first side 110 of the retainer 100 is placed vertically downward, the retainer 100 faces downward. Regardless of whether the slots 111 of the retainer 100 are facing upward or downward, the steel balls can be squeezed into the slots 111 of the retainer 100. For example, in this embodiment, the retainer 100 is made of a deformable material, and the sidewalls forming the slots 111 are provided with openings. Even if the steel balls are located on the second side 120 of the retainer 100, the retainer 100 can be deformed under pressure, allowing the steel balls to be squeezed into the slots 111 through the openings in the sidewalls forming the slots 111.

[0037] Of course, the structure of the retainer 100 is not limited thereto, as long as it can be shown that the steel balls are squeezed into the slots 111 from both sides of the retainer 100 , the structure of the retainer 100 is not specifically limited here.

[0038] The assembly mechanism 200 is provided with a plurality of assembly grooves 210, and the plurality of assembly grooves 210 are distributed in a ring shape. When the retaining frame 100 is placed on the assembly mechanism 200 with the first side 110 facing upward or the second side 120 facing upward, the plurality of card slots 111 are provided in a one-to-one correspondence with the plurality of assembly grooves 210. The assembly grooves 210 are used to accommodate steel balls. At this time, by applying downward pressure to the retaining frame 100, the steel balls located in the assembly grooves 210 can be pressed into the card slots 111 from the first side 110 or the second side 120.

[0039] During this process, the retaining frame 100 can be transported by the moving mechanism 300, that is, the moving mechanism 300 can move the retaining frame 100 to the assembly mechanism 200 and play a fixing role, or the retaining frame 100 can be moved to the flipping mechanism 400 after the steel balls are installed on the retaining frame 100.

[0040] Therefore, the retaining frame 100 is received by the flipping mechanism 400, and the retaining frame 100 is flipped by the flipping mechanism 400 so that the first side 110 or the second side 120 of the retaining frame 100 is vertically facing upward, so that the placement state of the retaining frame 100 with the steel balls installed is consistent, thereby meeting the subsequent process requirements.

[0041] It can be seen that the steel ball assembly device 10 provided in the embodiment of the present invention moves the retaining frame 100 to the assembly mechanism 200 through the moving mechanism 300, and the steel ball is assembled into the slot 111 in the retaining frame 100 by the assembly mechanism 200, and then the retaining frame 100 is moved to the flipping mechanism 400 by the moving mechanism 300, and finally the retaining frame 100 is flipped by the flipping mechanism 400 so that the first side 110 is facing upward or the second side 120 is facing upward. The whole process is not only highly automated and effectively improves the installation efficiency, but also allows the retaining frame 100 with the steel balls installed to be transported to subsequent processing equipment in the same posture, further improving production efficiency.

[0042] Furthermore, the flipping mechanism 400 includes a first rotating member 410, a first driving member 420 and two first clamps 430; the output end of the first rotating member 410 is connected to the first driving member 420, used to drive the first driving member 420 to rotate along the vertical plane direction, and the two first clamps 430 are both arranged on the first driving member 420.

[0043] In this embodiment, the first driving member 420 drives the two first clamping jaws 430 to move toward each other to clamp the retaining frame 100. At this time, the first rotating member 410 drives the first driving member 420 to rotate 180 degrees in the vertical direction to achieve the flipping of the retaining frame 100, that is, flipping the retaining frame 100 from the first side 110 facing upward to the second side 120 facing upward, or flipping the retaining frame 100 from the second side 120 facing upward to the first side 110 facing upward. The specific flipping can be determined according to the subsequent processing requirements. After the flipping is completed, the first driving member 420 can control the two clamping jaws to move away from each other, thereby releasing the retaining frame 100, allowing the retaining frame 100 to be disengaged from the clamping jaws, facilitating the retaining frame 100 to enter the subsequent process.

[0044] It can be understood that if the flipping mechanism 400 needs to flip the retaining frame 100 to a state with the first side 110 facing upward, if the retaining frame 100 is already in a state with the first side 110 facing upward, then the flipping mechanism 400 does not need to perform the flipping action. The state of the retaining frame 100 facing the first side 110 upward or the second side 120 facing upward can be identified manually or by a controller or a visual recognition device, and no specific limitation is made here.

[0045] Furthermore, the assembly mechanism 200 includes a base 220, an assembly seat 230 and an assembly part 240. The assembly seat 230 is arranged on the base 220. The assembly part 240 can be movably arranged in the assembly seat 230. The assembly part 240 is provided with a plurality of first grooves 241. The assembly seat 230 is provided with a plurality of second grooves 231. The plurality of first grooves 241 and the plurality of second grooves 231 correspond one to one and together form a plurality of assembly grooves 210.

[0046] In this embodiment, the assembly seat 230 is a cylindrical structure and is sleeved on the outside of the assembly part 240. The assembly part 240 can move vertically along the extension direction of the assembly seat 230. Therefore, when the retaining frame 100 is placed on the assembly part 240 and the multiple slots 111 correspond one-to-one to the multiple assembly slots 210, by pressing down the assembly part 240 and the retaining frame 100, the retaining frame 100 and the assembly part 240 move vertically downward relative to the assembly seat 230, and the steel ball remains stationary under the restriction of the second groove 231, and is squeezed into the slot 111 of the retaining frame 100 under the action of pressure, thereby realizing the assembly of the steel ball.

[0047] Furthermore, the assembly mechanism 200 also includes a connecting member 250 and a second rotating member 260 , one end of the connecting member 250 is connected to the assembly part 240 , and the other end is connected to the output end of the second rotating member 260 , for driving the assembly part 240 to rotate under the drive of the second rotating member 260 .

[0048] In this embodiment, since the steel ball assembly device 10 further includes a conveying mechanism 500 , the conveying mechanism 500 is provided with a conveying channel 510 , and the conveying channel 510 is used to sequentially convey the steel balls to the plurality of assembly slots 210 .

[0049] Therefore, the second rotating member 260 drives the connecting member 250 to rotate, so that the connecting member 250 drives the assembly member 240 to rotate. When the steel balls need to be installed in the assembly groove 210, the conveying mechanism 500 can remain stationary and align the outlet of the conveying channel 510 with any one of the assembly grooves 210, so that multiple steel balls can be installed in the assembly grooves 210 respectively.

[0050] Furthermore, the connecting member 250 includes a guide shaft 251 and an elastic member 252 . The guide shaft 251 is connected to the assembly member 240 . The elastic member 252 is sleeved outside the guide shaft 251 . One end of the elastic member 252 is connected to the assembly member 240 , and the other end is connected to the output end of the second rotating member 260 .

[0051] In this embodiment, an elastic member 252 is provided between the assembly member 240 and the second rotating member 260 to provide a buffer when the assembly member 240 is pressed down, and the guide shaft 251 can guide the compression of the elastic member 252 .

[0052] Furthermore, the assembly seat 230 and the assembly part 240 are detachably connected to the base 220 , so that different assembly parts 240 and assembly seats 230 can be replaced according to different steel ball specifications, thereby improving the adaptability of the steel ball assembly device 10 .

[0053] Furthermore, the moving mechanism 300 includes a third rotating member 310, a second driving member 320, a third driving member 330 and two second clamps 340. The two second clamps 340 are both arranged on the second driving member 320. The second driving member 320, the third rotating member 310 and the third driving member 330 are connected in sequence. The third driving member 330 is used to drive the third rotating member 310 to move vertically, and the third rotating member 310 is used to drive the second driving member 320 to rotate in the horizontal direction.

[0054] In this embodiment, the second driving member 320 drives the two second clamping jaws 340 to move toward each other to clamp the retaining frame 100, or drives the two second clamping jaws 340 to move away from each other to lower the retaining frame 100; and the third rotating member 310 can drive the second driving member 320 to rotate, and the third driving member 330 can drive the second driving member 320 to move vertically, so as to facilitate driving the second clamping jaws 340 to clamp and transfer the retaining frame 100.

[0055] Furthermore, the moving mechanism 300 also includes a fixing member 350 and a guide rod 360 . The fixing member 350 is connected to the third driving member 330 . The guide rod 360 is vertically movably arranged on the fixing member 350 , and the guide rod 360 is also connected to the third rotating member 310 .

[0056] In this embodiment, the fixing member 350 and the guide rod 360 are provided to play a guiding role, so as to ensure that the second driving member 320 moves in the vertical direction under the drive of the third driving member 330 .

[0057] Furthermore, the steel ball assembly device 10 also includes a ball picking member 600 and a storage box 700 . The ball picking mechanism is used to pick up the steel balls in the storage box 700 and transport the steel balls to the transport mechanism 500 .

[0058] In this embodiment, the ball picking member 600 picks up the steel balls in the storage box 700 and transports the steel balls to the conveying channel 510 of the conveying mechanism 500, thereby realizing automatic conveying of steel balls, further improving the degree of automation of the steel ball assembly device 10, and improving the loading efficiency.

[0059] In summary, the utility model provides a steel ball assembly device 10, which moves the retaining frame 100 to the assembly mechanism 200 through the moving mechanism 300, and the steel ball is assembled into the slot 111 in the retaining frame 100 by the assembly mechanism 200, and then the retaining frame 100 is moved to the flipping mechanism 400 by the moving mechanism 300, and finally the retaining frame 100 is flipped by the flipping mechanism 400 so that the first side 110 is facing upward or the second side 120 is facing upward. The whole process is not only highly automated and effectively improves the installation efficiency, but also allows the retaining frame 100 with the steel balls installed to be transported to subsequent processing equipment in the same posture, further improving production efficiency.

[0060] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A steel ball assembly device, characterized in that: include: A retainer, the retainer comprising a first side and a second side opposite to each other, the first side being provided with a plurality of slots; An assembly mechanism, wherein the assembly mechanism is provided with a plurality of assembly slots, the plurality of clamping slots are provided in a one-to-one correspondence with the plurality of assembly slots, the assembly slots are used to accommodate steel balls and to press the steel balls located in the assembly slots into the clamping slots from a first side or a second side; A moving mechanism, the moving mechanism being used to move the retaining frame to the assembly mechanism, or to move the retaining frame equipped with steel balls to a flipping mechanism; A flipping mechanism is used to receive the retaining frame and flip the retaining frame so that the first side or the second side of the retaining frame is vertically facing upward.

2. The steel ball assembly device according to claim 1, characterized in that: The flipping mechanism includes a first rotating member, a first driving member and two first clamps; the output end of the first rotating member is connected to the first driving member, used to drive the first driving member to rotate along the vertical plane direction, and the two first clamps are both arranged on the first driving member, used to move toward or away from each other under the drive of the first driving member to clamp or detach from the retaining frame.

3. The steel ball assembly device according to claim 1, characterized in that: The assembly mechanism includes a base, an assembly seat and an assembly part. The assembly seat is arranged on the base. The assembly part can be movably arranged in the assembly seat. The assembly part is provided with multiple first grooves, and the assembly seat is provided with multiple second grooves. The multiple first grooves and the multiple second grooves correspond one to one and together form multiple assembly grooves.

4. The steel ball assembly device according to claim 3, characterized in that: The assembly mechanism further includes a connecting member and a second rotating member, wherein one end of the connecting member is connected to the assembly member, and the other end is connected to the output end of the second rotating member, and is used to drive the assembly member to rotate under the drive of the second rotating member.

5. The steel ball assembly device according to claim 4, characterized in that: The connecting member includes a guide shaft and an elastic member. The guide shaft is connected to the assembly member. The elastic member is sleeved outside the guide shaft. One end of the elastic member is connected to the assembly member, and the other end is connected to the output end of the second rotating member.

6. The steel ball assembly device according to claim 5, characterized in that: The assembly seat and the assembly part are detachably connected to the base.

7. The steel ball assembly device according to claim 1, characterized in that: The moving mechanism includes a third rotating member, a second driving member, a third driving member and two second clamping jaws. The two second clamping jaws are both arranged on the second driving member and are used to move toward or away from each other under the drive of the second driving member to clamp or disengage from the retaining frame. The second driving member, the third rotating member and the third driving member are connected in sequence. The third driving member is used to drive the third rotating member to move vertically, and the third rotating member is used to drive the second driving member to rotate in the horizontal direction.

8. The steel ball assembly device according to claim 7, characterized in that: The moving mechanism further includes a fixing member and a guide rod, wherein the fixing member is connected to the third driving member, and the guide rod is vertically movably arranged on the fixing member, and the guide rod is also connected to the third rotating member.

9. The steel ball assembly device according to claim 1, characterized in that: The steel ball assembly device further includes a conveying mechanism, which is provided with a conveying channel, and the conveying channel is used to sequentially convey the steel balls to the plurality of assembly slots.

10. The steel ball assembly device according to claim 1, characterized in that: The steel ball assembly device also includes a ball picking piece and a storage box. The ball picking piece is used to pick up the steel balls in the storage box and to transport the steel balls to the transport mechanism.