Automobile motor rotor assembly device
Patent Information
- Application Number
- CN202522513661.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-26
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-11-26
AI Technical Summary
[0003]上述现有技术方案存在以下缺陷:机械臂移动和等待时间过长,且独立的翻转站进一步增加了非增值作业时间,降低了生产效率,并且转子在多个工作站之间被重复夹取和定位,每次定位都会存在微小误差,影响轴承和齿轮的压装同轴度降低产品质量
[0021]1.通过压装机构的设置,能够起到以可控的力和行程将轴承或齿轮压装到转子轴上,并实时监测压装曲线的效果;
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Figure CN224909317U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive motor rotor technology, and in particular to an automotive motor rotor assembly device. Background Technology
[0002] In the automated assembly of automotive motors, precisely pressing bearings and gears onto both ends of the rotor is a critical and complex process. This process requires extremely high coaxiality and stable pressing force to avoid damaging precision components. To achieve automation, the industry mainstream adopts a multi-station distributed assembly system based on linear modules or SCARA robotic arms.
[0003] The above-mentioned existing technical solutions have the following drawbacks: the movement and waiting time of the robotic arm is too long, and the independent flipping station further increases the non-value-added operation time, reduces production efficiency, and the rotor is repeatedly clamped and positioned between multiple workstations. Each positioning will have a small error, which affects the coaxiality of the bearing and gear pressing and reduces product quality. Utility Model Content
[0004] The purpose of this invention is to provide an automotive motor rotor assembly device to solve the problems existing in the prior art.
[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0006] An automotive motor rotor assembly device includes a first workbench. A feeding conveyor line is fixedly installed on the top left end of the first workbench. A first platform is fixedly installed on the top left end of the first workbench, located to the right of the feeding conveyor line and connected to it. The first platform is used for rotor bearing pressing installation. A first transfer mechanism is fixedly installed on the top left front end of the first workbench for moving the rotor. A first bracket is fixedly installed on the top left rear end of the first workbench. A bearing conveying and feeding mechanism is fixedly installed on the inner bottom of the first bracket for conveying the bearing to a designated position. A pressing mechanism is fixedly installed on the top of the first bracket for installing the bearing and gear with the rotor. A first platform is fixedly installed on the top right end of the first workbench. The system includes a material feeding conveyor line. A second platform is fixedly installed on the top right end of the first workbench, located to the left of the material feeding conveyor line and connected to it. A second transfer mechanism is fixedly installed on the top right rear end of the first workbench, used to transfer the rotor of the first platform to the second platform for installation. A second bracket is fixedly installed on the top right front end of the first workbench. A bearing conveying and feeding mechanism is fixedly installed on the inner bottom left end of the second bracket. A gear conveying and feeding mechanism is fixedly installed on the inner bottom right end of the second bracket, used to convey gears to a designated position. Pressing mechanisms are symmetrically fixedly installed on the top left and right sides of the second bracket. A second workbench is fixedly installed on the rear side of the first workbench, and a third workbench is fixedly installed on the front side of the first workbench.
[0007] By adopting the above technical solutions, the technical problems of low production efficiency, high system coordination complexity, difficulty in ensuring positioning accuracy, and large equipment footprint in the automated assembly of rotors, bearings, and gears on the automotive motor assembly line have been solved.
[0008] In a further embodiment, the pressing mechanism includes a pneumatic-hydraulic booster cylinder, the hydraulic rod of which is fixedly installed with a pressure head, a pressure sensor being provided between the pneumatic-hydraulic booster cylinder and the pressure head, a contact block being fixedly installed on the top of the pressure head at one end of the hydraulic rod, and the other end of the pressure head being inserted into and extending outward from the fixed block, the fixed block being fixedly installed on the top of the bracket, and a support frame being fixedly installed between the fixed block and the pneumatic-hydraulic booster cylinder, a high-precision contact displacement sensor being fixedly installed on the top of the support frame near the fixed block, the high-precision contact displacement sensor being collinear with the contact block.
[0009] By adopting the above technical solution, after the transplanting mechanism places the rotor on the first platform and the second platform, the electric cylinder pushes the pressure head to press the bearing and gear onto the rotor shaft with controllable force and stroke. The pressing curve can be monitored in real time by the pressure sensor to ensure the quality of installation.
[0010] In a further embodiment, the extended end of the pressure head is fixedly mounted to a flipping mechanism, which is used to grip gears and bearings.
[0011] By adopting the above technical solution, the pressing mechanism and the flipping mechanism work together to ensure that the axis does not shift during pressing.
[0012] In a further embodiment, the flipping mechanism includes a fixed base, which is fixedly installed with the extension end of the pressure head. A rotating shaft is provided between the fixed bases, with one end of the rotating shaft extending to one side of the fixed base. A clamping seat is rotatably installed on the rotating shaft, and a gear is rotatably installed at the extension end of the rotating shaft. A rack is meshed with the top of the gear, and a cylinder is fixedly installed at the end of the rack away from the gear.
[0013] By adopting the above technical solution, the cylinder pushes the rack to move, the rack meshes with the gear, the gear rotates and drives the shaft to rotate, and the clamping seat will be precisely flipped from a horizontal lying position to an upright position, so that its shaft hole is parallel to the rotor shaft to be pressed, thus preparing for pressing and eliminating the need for a separate flipping workstation.
[0014] In a further embodiment, a fully automatic vibrating screening feeder is fixedly installed on the top of the second workbench, and the fully automatic vibrating screening feeder is connected to the bearing conveying and feeding mechanism.
[0015] By adopting the above technical solutions, the fully automatic vibrating screening and feeding machine can efficiently arrange bearings and gears in a predetermined direction and transport them to the corresponding conveying and feeding mechanisms, ensuring the continuity and accuracy of material supply, thereby improving the overall assembly efficiency.
[0016] In a further embodiment, a fully automatic vibrating screening feeder is symmetrically fixedly installed on the top of the third workbench, and the fully automatic vibrating screening feeder is respectively connected to the bearing conveying and feeding mechanism and the gear conveying and feeding mechanism.
[0017] By adopting the above technical solutions, the fully automatic vibrating screening and feeding machine can efficiently arrange bearings and gears in a predetermined direction and transport them to the corresponding conveying and feeding mechanisms, ensuring the continuity and accuracy of material supply, thereby improving the overall assembly efficiency.
[0018] In a further embodiment, feet and casters are fixedly installed at the four bottom corners of the first, second, and third workbenches.
[0019] By adopting the above technical solutions, the design of the feet and casters allows the worktable to move flexibly when needed and remain stable when in a fixed position, which facilitates the layout adjustment and maintenance of the equipment and saves floor space.
[0020] In summary, this utility model has the following beneficial effects:
[0021] 1. By setting up the press-fitting mechanism, it is possible to press bearings or gears onto the rotor shaft with controllable force and stroke, and monitor the press-fitting curve in real time;
[0022] 2. By setting up the flipping mechanism, the shaft hole can be made parallel to the rotor shaft center to be pressed, thus preparing for pressing and eliminating the need for a separate flipping workstation;
[0023] 3. By setting up the first transplanting mechanism and the second transplanting mechanism, the effect of maintaining absolutely equidistant synchronous movement can be achieved. Attached Figure Description
[0024] Figure 1 This is an overall schematic diagram of the present invention, used to illustrate the connection relationship between the top structures of the first workbench, the second workbench, and the third workbench;
[0025] Figure 2 This is a schematic diagram illustrating the structural connection of the pressing mechanism in this utility model;
[0026] Figure 3 This is a schematic diagram illustrating the structural connection of the flipping mechanism in this utility model.
[0027] In the diagram, 1. First workbench; 2. Second workbench; 3. Third workbench; 4. Feeding conveyor line; 5. First platform; 6. First transfer mechanism; 7. Bearing conveying and feeding mechanism; 8. First support; 9. Pressing mechanism; 91. Pneumatic-hydraulic booster cylinder; 92. Press head; 93. Contact block; 94. Fixing block; 95. Support frame; 96. High-precision contact displacement sensor; 10. Unloading conveyor line; 11. Second platform; 12. Second transfer mechanism; 13. Second support; 14. Gear conveying and feeding mechanism; 15. Tilting mechanism; 151. Fixed seat; 152. Rotating shaft; 153. Clamping seat; 154. Gear; 155. Rack; 156. Cylinder; 16. Fully automatic vibrating screening feeder; 17. Foot cup; 18. Universal wheel. Detailed Implementation
[0028] The present invention will be further described in detail below with reference to the accompanying drawings.
[0029] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1 In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.
[0030] Example 1:
[0031] like Figure 1 - Figure 3 As shown, an automotive motor rotor assembly device includes a first workbench 1. A feeding conveyor line 4 is fixedly installed on the top left end of the first workbench 1. A first platform 5 is fixedly installed on the top left end of the first workbench 1, located to the right of the feeding conveyor line 4 and connected to it. The first platform is used for rotor bearing pressing installation. A first transfer mechanism 6 is fixedly installed on the top left front end of the first workbench 1, used to move the rotor. A first bracket 8 is fixedly installed on the top left rear end of the first workbench 1. A bearing conveying and feeding mechanism 7 is fixedly installed on the inner bottom of the first bracket 8, used to convey the bearing to a designated position. A pressing mechanism 9 is fixedly installed on the top of the first bracket 8, used for installing the bearing and gear with the rotor. A discharging conveyor line 10 is fixedly installed on the top right end of the first workbench 1. A second platform 11 is fixedly installed on the top right end of the first workbench 1. The second platform 11 is located on the left side of the unloading conveyor line 10 and is connected to the unloading conveyor line 10. A second transfer mechanism 12 is fixedly installed on the top right rear end of the first workbench 1. The second transfer mechanism is used to transfer the rotor of the first platform 5 to the second platform 11 for installation. A second bracket 13 is fixedly installed on the top right front end of the first workbench 1. A bearing conveying and feeding mechanism 7 is fixedly installed on the inner bottom left end of the second bracket 13. A gear conveying and feeding mechanism 14 is fixedly installed on the inner bottom right end of the second bracket 13. The gear conveying and feeding mechanism 14 is used to convey the gear to the designated position. A pressing mechanism 9 is fixedly installed symmetrically on the top left and right sides of the second bracket 13. A second workbench 2 is fixedly installed on the rear side of the first workbench 1. A third workbench 3 is fixedly installed on the front side of the first workbench.
[0032] The pressing mechanism 9 includes a pneumatic-hydraulic booster cylinder 91. The hydraulic rod of the pneumatic-hydraulic booster cylinder 91 is fixedly installed at one end of the pressing head 92. A pressure sensor is provided between the pneumatic-hydraulic booster cylinder 91 and the pressing head 92. A contact block 93 is fixedly installed on the top of the pressing head 92 located at one end of the hydraulic rod. The other end of the pressing head 92 is inserted into and extends outward from the fixing block 94. The fixing block 94 is fixedly installed on the top of the bracket. A support frame 95 is fixedly installed between the fixing block 94 and the pneumatic-hydraulic booster cylinder 91. A high-precision contact displacement sensor 96 is fixedly installed on the top of the support frame 95 near the fixing block 94. The high-precision contact displacement sensor 96 is collinear with the contact block 93. The extended end of the pressing head 92 is fixedly installed with the flipping mechanism 15. The flipping mechanism 15 is used to clamp gears and bearings.
[0033] The flipping mechanism 15 includes a fixed base 151, which is fixedly installed on the extension end of the pressure head 92. A rotating shaft 152 is provided between the fixed bases 151. One end of the rotating shaft 152 extends to one side of the fixed base 151. A clamping seat 153 is rotatably installed on the rotating shaft 152. A gear 154 is rotatably installed on the extension end of the rotating shaft 152. A rack 155 is meshed on the top of the gear 154. A cylinder 156 is fixedly installed on the end of the rack 155 away from the gear 154.
[0034] The top of the second workbench 2 is fixedly equipped with a fully automatic vibrating screening feeder 16, which is connected to the bearing conveying and feeding mechanism 7.
[0035] The top of the third workbench 3 is symmetrically and fixedly equipped with a fully automatic vibrating screening feeder 16, which is connected to the bearing conveying and feeding mechanism 7 and the gear conveying and feeding mechanism 14 respectively.
[0036] The bottom of the first workbench 1, the second workbench 2, and the third workbench 3 are all fixedly installed with feet 17 and casters 18 at the four corners.
[0037] Specific implementation process: The motor rotor to be processed is placed on the feeding conveyor line 4. Simultaneously with the start of the feeding conveyor line 4, the fully automatic vibrating screening feeders 16 on the second workbench 2 and the third workbench 3 operate. The bearings inside the fully automatic vibrating screening feeder 16 on the second workbench 2 are conveyed by the conveyor belt to the conveyor belt of the bearing conveying and feeding mechanism 7. The bearings are arranged one by one on the conveyor belt of the bearing conveying and feeding mechanism 7. At this time, the clamping claws on the first transfer mechanism 6 will clamp the rotor of the feeding conveyor line 4 onto the first platform. During the clamping process, the cylinder 156 will push the rack 155, thereby driving the gear 154 to rotate and causing the clamping seat 153 to change from horizontal to vertical, sending the bearing into the clamping seat 153. The cylinder 156 then drives the rack 155 again. 55 Reset, so that the clamping seat 153 changes from vertical to horizontal. After the clamping seat 153 clamps, the pneumatic-hydraulic booster cylinder 91 drives the hydraulic rod to push the pressure head 92, which in turn pushes the fixed seat 151 forward, and finally pushes the bearing on the clamping seat 153 to be fixedly installed with the rotor. After the pressing is completed, the first transfer mechanism 6 continues to transfer the rotor, and the second transfer mechanism 12 transfers the rotor from the first platform 5 to the second platform 11. At this time, the fully automatic vibrating screening feeder 16 on the third workbench 3 works at the same time to perform the same pressing work as the front end. The second pressing work will press the gear, and the third step will press the bearing. After all the pressing is completed, the second transfer mechanism 12 will transfer the pressed rotor to the unloading conveyor line 10. The whole process completes the rotor assembly.
[0038] In the embodiments disclosed in this utility model, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments disclosed in this utility model according to the specific circumstances.
[0039] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
Claims
1. An automotive motor rotor assembly device, comprising a first worktable (1), characterized in that: A feeding conveyor line (4) is fixedly installed on the top left end of the first workbench (1). A first platform (5) is fixedly installed on the top left end of the first workbench (1). The first platform (5) is located on the right side of the feeding conveyor line (4). The first platform (5) is connected to the feeding conveyor line (4). The first platform is used for rotor bearing extrusion installation. A first transfer mechanism (6) is fixedly installed on the top left front end of the first workbench (1). The first transfer mechanism (6) is used to move the rotor. A first bracket (8) is fixedly installed on the top left rear end of the first workbench (1). A bearing conveying and feeding mechanism (7) is fixedly installed on the inner bottom of the first bracket (8). The bearing conveying and feeding mechanism (7) is used to convey the bearing to a designated position. A pressing mechanism (9) is fixedly installed on the top of the first bracket (8). The pressing mechanism (9) is used for bearing and gear installation with the rotor. A discharging conveyor line (10) is fixedly installed on the top right end of the first workbench (1). A second platform (11) is fixedly installed at the top right end. The second platform (11) is located on the left side of the unloading conveyor line (10). The second platform (11) is connected to the unloading conveyor line (10). A second transplanting mechanism (12) is fixedly installed at the top right rear end of the first workbench (1). The second transplanting mechanism is used to transplant the rotor of the first platform (5) to the second platform (11) for installation. A second bracket (13) is fixedly installed at the top right front end of the first workbench (1). A bearing conveying and feeding mechanism (7) is fixedly installed at the bottom left end of the second bracket (13). A gear conveying and feeding mechanism (14) is fixedly installed at the bottom right end of the second bracket (13). The gear conveying and feeding mechanism (14) is used to convey the gear to the designated position. A pressing mechanism (9) is fixedly installed symmetrically on the top left and right sides of the second bracket (13). A second workbench (2) is fixedly installed on the rear side of the first workbench (1). A third workbench (3) is fixedly installed on the front side of the first workbench.
2. The automotive motor rotor assembly device according to claim 1, characterized in that: The pressing mechanism (9) includes a gas-hydraulic booster cylinder (91). The hydraulic rod of the gas-hydraulic booster cylinder (91) is fixedly installed at one end of the press head (92). A pressure sensor is provided between the gas-hydraulic booster cylinder (91) and the press head (92). A contact block (93) is fixedly installed on the top of the press head (92) located at one end of the hydraulic rod. The other end of the press head (92) is inserted into and extends outward from the fixing block (94). The fixing block (94) is fixedly installed on the top of the bracket. A support frame (95) is fixedly installed between the fixing block (94) and the gas-hydraulic booster cylinder (91). A high-precision contact displacement sensor (96) is fixedly installed on the top of the support frame (95) near the fixing block (94). The high-precision contact displacement sensor (96) is collinear with the contact block (93).
3. The automotive motor rotor assembly device according to claim 2, characterized in that: The extended end of the pressure head (92) is fixedly installed with the flipping mechanism (15), which is used to clamp gears and bearings.
4. The automotive motor rotor assembly device according to claim 3, characterized in that: The flipping mechanism (15) includes a fixed base (151), which is fixedly installed with the extension end of the pressure head (92). A rotating shaft (152) is provided between the fixed base (151). One end of the rotating shaft (152) extends to one side of the fixed base (151). A clamping seat (153) is rotatably installed on the rotating shaft (152). A gear (154) is rotatably installed at the extension end of the rotating shaft (152). A rack (155) is meshed with the top of the gear (154). A cylinder (156) is fixedly installed at the end of the rack (155) away from the gear (154).
5. The automotive motor rotor assembly device according to claim 1, characterized in that: The top of the second workbench (2) is fixedly equipped with a fully automatic vibrating screening feeder (16), which is connected to the bearing conveying and feeding mechanism (7).
6. The automotive motor rotor assembly device according to claim 1, characterized in that: The top of the third workbench (3) is symmetrically fixed with a fully automatic vibrating screening feeder (16), which is connected to the bearing conveying and feeding mechanism (7) and the gear conveying and feeding mechanism (14) respectively.
7. The automotive motor rotor assembly device according to claim 1, characterized in that: The bottom four corners of the first workbench (1), the second workbench (2) and the third workbench (3) are all fixedly installed with feet (17) and casters (18).