Circular positioning assembly table for micro motor

Abstract

The utility model belongs to the field of a micro motor circular positioning assembly table, which comprises a supporting seat and a circular working table arranged on the supporting seat, more than three assembly station assemblies are arranged on the working table, the assembly station assemblies are arranged on the edge of the working table, and the assembly station assemblies are used for bearing processed products. A fixing assembly is arranged on the edge of the assembling station assembly and used for fastening a machined product to enable the machined product to be in a relatively static state, when the workbench rotates, the assembling station assembly and the fixing assembly rotate along with the workbench, and an arc-shaped baffle is arranged below the workbench and used for limiting the moving direction and distance of the fixing assembly. Through rotation of the circular structure, device circulation on all stations is achieved, so that the space occupation of a production line is reduced, meanwhile, the fixing assemblies for clamping products do not need to be opened and closed frequently, the requirement for the machining precision of the fixing assemblies is lowered, and the manufacturing cost of equipment is saved.

Description

Technical Field

[0001] The utility model relates to a micro motor assembly device, in particular to a circular positioning assembly table for micro motors. Background Art

[0002] In the production and manufacturing process of micro motors, the parts inside the micro motors need to be assembled one by one. However, due to the large number of internal components of the motor, a large number of installation stations and supporting manipulators are required to complete the assembly.

[0003] In the prior art, generally, a linear assembly line operation is adopted. This situation leads to a problem that since a micro motor generally has nearly 10 assembly processes, 10 manipulators need to be set up correspondingly. As a result, the length of the production line is relatively long, which can reach more than 10 meters. This requires a relatively large production site and a sufficiently long production workshop to meet the needs. At the same time, another drawback is that in order to ensure the production and processing accuracy, the semi-finished products need to be accurately fixed. In this way, precise clamping is required for each station. After the processing is completed, the product needs to be released and then accurately clamped again at the next station. This process needs to be repeated for 10 stations, which requires a very high precision for the clamping device, resulting in a relatively high production cost. Moreover, the outer shell of the motor is generally circular in structure and is prone to rotation, resulting in inaccurate positioning, especially during repeated tightening and loosening processes, it is more likely to deviate.

[0004] To solve the above problems, a new workbench surface is needed to change the setting method of the production line, so as to solve the difficulties existing in the actual production technology, reduce the production space, and at the same time solve the production and processing cost of the clamping and fixing parts, and achieve a stable clamping effect by a simple method. Content of the Utility Model

[0005] The purpose of the utility model is to solve the above defects and provide a circular positioning assembly table for micro motors, which can solve the problems existing in the background art by changing the structure and positioning scheme of the assembly line.

[0006] The purpose of the utility model is achieved in the following way:

[0007] A circular positioning assembly table for micro motors includes a support base and a circular workbench arranged on the support base. There are more than 3 assembly station components arranged on the workbench. The assembly station components are arranged at the edge of the workbench. The assembly station components are used to carry the products to be processed. A fixing component is arranged at the edge of the assembly station component. The fixing component is used to fasten the products to be processed to make them in a relatively stationary state. When the workbench rotates, the assembly station components and the fixing components rotate together with the workbench. An arc-shaped baffle is arranged under the workbench to limit the movement direction and distance of the fixing components.

[0008] Further, the baffle and the workbench are concentrically arranged, and the outer edge of the baffle contacts the fixing component. The baffle is a sheet structure and is fixedly connected through a bracket and a support seat, and is in a static state.

[0009] Further, the assembly station components are evenly distributed at equal angles above the workbench. The workbench is a spoke-shaped structure, including spokes and fan-shaped cavities, and the fixing component is arranged in front of the fan-shaped cavity.

[0010] Further, the fixing component includes a pushing member, a limiting member and a slide rail. The pushing member is arranged on the slide rail and can move along the slide rail. The limiting member is arranged on the side of the pushing member to limit the reset distance of the pushing member.

[0011] Further, the limiting member and the slide rail are fixedly arranged on the support seat through screws and are in a static state relative to the workbench.

[0012] Further, a bearing is sleeved at one end of the pushing member, and the outer periphery of the bearing contacts the edge of the baffle. An upper pressing portion is arranged at the other end of the pushing member for pressing the upper end of the product.

[0013] Further, the assembly station component includes a base and a receiving member arranged above the base. The receiving member is used to receive the product. A positioning hole is arranged below the receiving member, and a lower pressing portion is further arranged in the positioning hole for pressing the lower end of the product.

[0014] Further, a blocking member is arranged on the base to block the lower pressing portion. An elastic support member is arranged between the blocking member and the lower pressing portion to continuously apply an elastic force to the lower pressing portion so that it presses the product placed in the receiving member through the positioning hole. The upper end of the lower pressing portion is an open structure, and a chamfer is arranged at the opening for facilitating the loading of the product.

[0015] Further, the upper end of the receiving member is an open structure, and a chamfer is arranged at the opening for facilitating the loading of the product.

[0016] Further, the assembly table is also provided with a stepping motor for driving the workbench to rotate. A circular bearing structure is arranged between the support seat and the workbench. The workbench can rotate under the condition that the support seat is in a static state.

[0017] The beneficial effects produced by the present utility model are as follows: By converting the linear assembly line into a circular production line and realizing the circulation of the devices at each station through the rotation of the circular structure, the space occupied by the production line is reduced. In addition, through the rotation and repeated use of the stations, the fixing components for clamping the products do not need to be opened and closed frequently, reducing the requirement for the processing accuracy of the fixing components, thereby saving the manufacturing cost of the equipment. Description of the Drawings

[0018] Attached Figure 1 is a three-dimensional structural schematic diagram of a micro motor;

[0019] Attached Figure 2 is a schematic diagram of the disassembled structure of the micro-motor;

[0020] Attached Figure 3 is the side view of the upper shaft of this embodiment;

[0021] Attached Figure 4 is the bottom view of this embodiment;

[0022] Attached Figure 5 is a schematic diagram of the disassembled structure of the fixing component;

[0023] Attached Figure 6 is a schematic diagram of the combined state of the fixing component;

[0024] Attached Figure 7 is a schematic diagram of the combination of the fixing component, the assembly station component and the motor;

[0025] Attached Figure 8 is a schematic diagram of the assembly station component;

[0026] Attached Figure 9 is a schematic diagram of the disassembled assembly station component;

[0027] Attached Figure 10 is a schematic diagram of the lower pressing part;

[0028] Attached Figure 11 is a schematic diagram of the combination of the fixing component, the assembly station component and the baffle;

[0029] Attached Figure 12 is a schematic diagram of the assembly of the fixing component, the assembly station component and the motor housing;

[0030] In the figure, 1. Workbench, 101. Spoke, 102. Sector cavity, 2. Assembly station component, 201. Base, 202. Accommodating part, 203. Positioning hole, 204. Lower pressing part, 205. Spring, 206. Side baffle, 207. Inclined surface, 208. Arc surface, 3. Fixing component, 301. Pushing part, 302. Limiting part, 303. Slide rail, 304. Bearing, 305. Upper pressing part, 306. Mounting part, 4. Baffle, 401. Bracket, 402. Inclined edge, 5. Support seat, 6. Micro-motor, 601. Motor housing, 602. Gear set, 603. Stator, 604. Rotor, 7. Starting station, 8. End station, 9. Station to be assembled. Detailed implementation manners

[0031] The following further describes the present invention in detail in conjunction with the drawings and specific implementation manners.

[0032] For the sake of easy understanding, the present utility model will be further described in detail in combination with specific implementation cases, but it is not used to limit the present utility model.

[0033] (Refer to Figure 1 , 2) The assembly of the micro motor 6 has always been relatively complex, with up to 10 components, including a gear set 602 formed by gears, a circular motor housing 601, a stator 603, a rotor 604 and other components. Moreover, it can only be assembled one by one from bottom to top. At the same time, because the parts are relatively small, manual operation is relatively difficult. Therefore, the solutions in the industry are all to use an assembly line in cooperation with a manipulator for automated operation. Compared with the existing linear assembly line, the technical solution of the present invention changes to a circular assembly line, which can greatly reduce the floor area of the workshop. If a linear assembly line is used, the floor area reaches more than 30 square meters, and the length requirement for the workshop is relatively high. Each work station occupies about 1 square (a square with a length and width of 1 meter). Coupled with the width of the workbench and the relevant operation space, the required length is almost 15 - 20 meters. However, with the circular solution of the present design, the floor area is less than 18 square meters, and the length requirement is not so high.

[0034] Now, the sub - structures of the assembly table will be described one by one.

[0035] Embodiment (Refer to Figure 3 , 4) The workbench 1 of the circular assembly table is in a circular spoke - like structure, including spokes 101 and fan - shaped cavities 102. A support base 5 is provided below the tabletop to support the entire workbench 1, and the two are locked by screws. The support device between the workbench 1 and the support base 5 is a bearing structure, so that the workbench 1 can rotate when the support base 5 is in a static state.

[0036] An assembly station component 2 and a fixing component 3 are arranged on the outer - circular edge of the workbench 1. There is a fixing component 3 inside each assembly station component 2, and the fixing component 3 is used to fix the micro motor inside the assembly station component 2.

[0037] Since there are a total of 10 components in a conventional micro motor that need to be assembled, a total of 12 stations are set on the workbench 1. That is to say, 12 sets of assembly station components 2 are correspondingly set. The starting station 7 is the first station, where the motor housing 601 is loaded into this station. All stations from the second station to the end station 8 are intermediate stations, and each intermediate station corresponds to assembling one component or assembly. The end station 8 indicates that the assembly is completed at this station, and the manipulator will take away the assembled micro motor from this station. In order to ensure the stable operation of the machine, a station to be assembled 9 is set. When this assembly station 9 rotates to the starting station 7, a new motor housing 601 will be loaded.

[0038] (Refer to Figure 4)Below the bottom surface of the workbench 1, there is a baffle 4. The baffle 4 is an arc-shaped strip structure and is concentric with the workbench 1. Below the baffle 4, there is a bracket 401. The bracket 401 and the support base 5 are fixedly connected by screws. The baffle 4 is provided with an inclined edge 402 between the starting station 7 and the station to be assembled 9. The purpose is to give a pushing process to the pusher 301 to make the engagement more stable and reliable. The arc length of the baffle 4 in this embodiment extends from one station after the starting station 7 to one station before the end station 8.

[0039] In this embodiment, there are a total of 12 assembly station components 2 evenly distributed on the workbench 1. The included angle of each assembly station component 2 is 30 degrees. Inside each assembly station component 2, there is a fan-shaped cavity 102, with a total of 12.

[0040] (Reference Figure 5 、 6 、7) Inside the assembly station component 2, there is a fixing component 3. Correspondingly, there are 12 fixing components 3. The fixing component 3 includes a pusher 301, a limiting member 302, a slide rail 303, a bearing 304, a mounting portion 306, and an upper pressing portion 305. The front half of the upper pressing portion 305 is locked to the mounting portion 306 by screws. The front end of the upper pressing portion 305 is a sheet-like structure, which cooperates with the notch on the motor housing 601 so that the sheet-like structure is inserted into the notch, and at the same time, it limits the rotation and upward lifting of the motor housing 601 to achieve stable pressing and fixing. The mounting portion 306 and the slide rail 303 are combined in a dovetail groove manner, so that the mounting portion 306 can move along the slide rail 303. The slide rail 303 is fixedly installed on the workbench 1 by screws. The rear half of the upper pressing portion 305 is locked to the pusher 301 by screws. When the pusher 301 is stressed and moves, it drives the upper pressing portion 305 and the mounting portion 306 to move on the slide rail 303. In order to prevent the pusher 301 from moving backward unrestrictedly, a limiting member 302 is provided on the side of the mounting portion 306. The limiting member 302 is fixed to the workbench 1 by screws. When the pusher 301 retreats, it will drive the mounting portion 306 to move backward, and thus the limiting member 302 will limit its movement stroke. The pusher 301 is a Z-shaped structure. The upper end is locked to the rear half of the upper pressing portion 305, and the lower end is provided with a bearing 305, which is locked to it by screws.

[0041] (Reference Figure 7 、 8, 9) The assembly station component 2 is used to place the motor 6 and its related accessories, and is fixedly installed on the workbench 1. The assembly station component 2 includes a base 201 and a receiving member 202. The receiving member 202 is disposed on the base 201 and is fixed by screws. The receiving member 202 has a concave structure, and the concave part forms a receiving cavity for placing the motor housing 601. A positioning hole 203 is provided below the side of the receiving member 202, and a movable pressing part 204 is provided in the positioning hole 203. The outer side of the pressing part 204 is larger than the positioning hole 203, so that the pressing part 204 will not completely penetrate into the positioning hole 203, but the protruding depth of the pressing part 204 inside and outside the receiving cavity can be maintained as needed. A side stop 206 is provided on the outer side of the pressing part 204 to limit the movement range of the pressing part 204. A counterbore is provided at the corresponding position between the pressing part 204 and the side stop 206, and a spring 205 is provided in the hole. The spring 205 continuously applies pressure to the pressing part 204 to keep it applying pressure to the motor housing 601 in the receiving cavity, so that the motor housing 601 is in a stable state. In order to facilitate the motor housing 601 to be placed into the receiving cavity and be clamped by the pressing parts 204 on both left and right sides, an inclined surface 207 is provided at the upper end of the pressing part 204, and an arc surface 208 is also provided to cooperate with the arc surface of the motor housing 601 to make the clamping more stable.

[0042] The working principle of the assembly table is further introduced below in conjunction with the embodiments.

[0043] (Refer to Figure 3 , 4 , 11) The assembly station component 2 and the fixing component 3 are correspondingly arranged on the workbench 1 as needed, which can be specifically set according to requirements. In this embodiment, a total of 12 sets are set according to the number of parts of the micro motor 6 to be actually assembled, namely the starting station 7, the ending station 8, the station to be assembled 9 and other intermediate stations. The arc of the corresponding baffle 4 starts from the station after the starting station 7 and extends to the station before the ending station 8. That is to say, the arc of the baffle 4 covers the entire intermediate station. The baffle 4 is provided with an inclined edge 402 after the starting station 7 and before the next station. When the motor housing 601 is loaded and pressed into the receiving cavity of the assembly station component 2 at the starting station 7 by a manipulator in the vertical direction (since the automatic assembly technology of the manipulator is a mature technical solution and will not be described in detail here) and is held by the pressing parts 204 on both left and right sides of the motor housing 601, the entire system starts to operate and work under the PLC control system. The motor drives the workbench 1. Since the assembly station component 2 and the fixing component 3 are both fixed on the upper surface of the workbench 1, they also start to rotate. The assembly station component 2 and the fixing component 3 are in the initial state, and a counterbore is provided on their opposite surfaces, and a tension spring 205 is provided in the counterbore to keep the assembly station component 2 and the fixing component 3 away from each other, and the upper pressing part 305 is away from the receiving cavity.

[0044] As the workbench 1 continues to rotate, the bearing 304 on the pushing member 301 begins to contact the inclined edge 402. At the same time, the spring 205 between the assembly station component 2 and the fixed component will continuously start to be in a compressed state. Further, the pushing member 301 pushes the mounting portion 306 and the upper pressing portion 305 to move along the slide rail 303 towards the assembly station component 2. The front end of the upper pressing portion 305 approaches the notch at the upper edge of the motor housing 601 until the bearing 304 completely enters the arc section (refer to Figure 12 ), and the upper pressing portion 305 also completely fixes and presses the motor housing. In the entire arc-shaped baffle 4 area (i.e., the middle station shown in the figure), the motor housing 601 will be constrained by the fixed component 3 and will not change at all. When the motor pauses at each station (30-degree angle) to assemble a component until the components of the last process are installed, when it rotates to the position of the end station 8, at this time, because there is no support from the baffle 4, the spring 205 between the assembly station component 2 and the fixed component 3 will generate elastic force to make the pushing member 301 move backward, so that the upper pressing portion 305 will separate from the motor housing 601. At this time, the manipulator at this station will take away the assembled micro-motor 6 from the vertical direction and enter the stations of subsequent other equipment for further processing as needed. If the workbench continues to rotate, it will enter the waiting assembly station 9 and wait to install the motor housing 6. Start the next cycle.

[0045] The technical solution of this embodiment is simple and reliable. The baffle 4 is used to control the pushing member 301 and constrain the motor housing 601. Under the rotation of the workbench 1, it enters different stations for processing without loosening the fixture and transporting the product. Thus, the processing accuracy is guaranteed. Moreover, the efficiency is high. Automatic assembly of each station is realized during the continuous rotation of the workbench 1, the cycle speed is fast, and the entire assembly process only requires loosening the fixed component once. Moreover, the entire workbench occupies a small space and is especially suitable for small spaces.

[0046] This technical solution is not only applicable to the assembly of the micro-motor 6, but also can be modified by adding or reducing stations, modifying the length of the baffle 4, or setting multiple sections of the baffle 4 to suit various installation scenarios.

[0047] The above content is a further detailed description of the present utility model in combination with specific preferred embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, which should all be regarded as the protection scope of the present utility model.

Claims

1. A circular positioning and assembly table for a micro motor, characterized in that: It includes a support base and a circular workbench arranged on the support base. There are more than 3 assembly station components arranged on the workbench. The assembly station components are arranged at the edge of the workbench. The assembly station components are used to carry the products to be processed. A fixing component is arranged at the edge of the assembly station component. The fixing component is used to fasten the products to be processed to make them in a relatively static state. When the workbench rotates, the assembly station components and the fixing components rotate together with the workbench. An arc-shaped baffle is arranged under the workbench. The arc-shaped baffle is fixed on the support base and is in a static state, and is used to limit the movement direction and distance of the fixing component.

2. The circular positioning and assembly table for the micro-motor according to claim 1, wherein: The baffle is concentrically arranged with the workbench, and the outer edge of the baffle is in contact with the fixing component. The baffle is a sheet structure and is fixedly connected to the support base through a bracket and is in a static state.

3. The circular positioning and assembly table for the micro motor according to claim 2, characterized in that: The assembly station components are evenly distributed at equal angles above the workbench. The workbench is a spoke-shaped structure, including spokes and fan-shaped cavities respectively. The fixing component is arranged in front of the fan-shaped cavity.

4. The circular positioning and assembly table for the micro-motor according to claim 1, wherein: The fixing component includes a pushing member, a limiting member and a slide rail. The pushing member is arranged on the slide rail and can move along the slide rail. The limiting member is arranged on the side of the pushing member and is used to limit the reset distance of the pushing member.

5. The circular positioning and assembly table for the micro motor according to claim 4, wherein: The limiting member and the slide rail are fixedly arranged on the support base through screws and are in a static state relative to the workbench.

6. The circular positioning and assembly table for the micro motor according to claim 5, wherein: A bearing is sleeved at one end of the pushing member. The outer periphery of the bearing is in contact with the edge of the baffle. An upper pressing part is arranged at the other end of the pushing member and is used to press the upper end of the product.

7. The circular positioning and assembly table for the micro-motor according to claim 1, characterized in that: The assembly station component includes a base and a receiving member arranged above the base. The receiving member is used to receive the product. A positioning hole is arranged under the receiving member. A lower pressing part is also arranged in the positioning hole and is used to press the lower end of the product.

8. The circular positioning and assembly table for the micro motor according to claim 7, characterized in that: A blocking member is arranged on the base and is used to block the lower pressing part. An elastic support member is arranged between the blocking member and the lower pressing part and is used to continuously apply an elastic force to the lower pressing part so that it presses the product placed in the receiving member through the positioning hole. The upper end of the lower pressing part is an open structure, and a chamfer is arranged at the opening for the convenience of loading the product.

9. The circular positioning and assembly table for the micro motor according to claim 1, wherein: The upper end of the receiving member is an open structure, and a chamfer is arranged at the opening for the convenience of loading the product.

10. The circular positioning and assembly table for the micro motor according to claim 1, characterized in that: The assembly table is also provided with a stepping motor for driving the workbench to rotate. A circular bearing structure is arranged between the support base and the workbench. The workbench can rotate under the condition that the support base is in a static state.

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