A multi-pass cap slip ring that can be assembled automatically

Abstract

The utility model relates to electrical connection component technical field, concretely is a kind of multi-pass cap type slip ring of automated assembly, including rotor assembly, stator assembly and cap cover, the rotor assembly includes rotor insulating matrix and the multiple rotor conductor embedded in it, the stator assembly includes several stator shell, stator shell one, stator shell two and multiple stator sheet, the stator sheet is the independent monomer structure of prefabricated molding, the stator shell is equipped with the mounting site accurate correspondence with the shape and quantity of the stator sheet, the stator sheet is fixedly connected with the mounting site of the stator shell by its own positioning hole and positioning step, the positioning structure of stator shell is the lead-in angle with specific taper, and its angle range is between 30 ° to 60 °.The utility model is suitable for automated assembly, stable and reliable performance, cost benefit is remarkable, compact and reasonable structure.

Description

Technical Field

[0001] This utility model relates to the field of electrical connection component technology, specifically a multi-channel cap slip ring that can be automatically assembled. Background Technology

[0002] Cap-type slip rings (also known as miniature conductive slip rings) are key electromechanical components that enable the transmission of power, signals, and data between two relatively rotating mechanisms. They are widely used in security cameras, robot joints, rotary tables, consumer electronics, and other devices that require 360-degree infinite rotation.

[0003] The assembly process of traditional cap-type slip rings is highly dependent on manual operation, especially the assembly, alignment, and fixing of the core spring and slip ring. For example, the spring usually needs to be bent, positioned, and pressed into the stator housing manually by the operator, which is not only inefficient but also has the following significant drawbacks:

[0004] 1. Poor consistency: Manual operation makes it difficult to accurately control the contact pressure and alignment accuracy between the spring and the slip ring, resulting in large dispersion of parameters such as contact resistance, service life and electrical noise between products, and unstable product quality;

[0005] 2. High reliability risk: Slight deviations or stress concentrations in the installation of the spring clips may lead to poor contact, abnormal wear, or even open circuits under long-term vibration, affecting the overall reliability of the machine.

[0006] 3. High production costs: The reliance on skilled workers and low assembly efficiency drive up the labor and time costs of the products, making it difficult to meet the demand for large-scale, low-cost production.

[0007] With the improvement of industrial automation, the market has placed higher demands on the consistency, reliability and cost-effectiveness of slip ring products. Therefore, there is an urgent need for a cap-type slip ring that can be innovated from the product structure design level and fundamentally adapt to automated assembly processes.

[0008] Therefore, a multi-channel cap slip ring that can be automatically assembled is proposed to solve the problems mentioned above. Utility Model Content

[0009] To address the shortcomings of existing technologies, this invention provides a multi-channel cap-type slip ring that can be automatically assembled. Through modular, standardized, and positioning structure design, its core components can be quickly and accurately grasped, aligned, and assembled by automated equipment, thereby achieving efficient and highly consistent automated production.

[0010] To achieve the above objectives, the present invention provides the following technical solution: including a rotor assembly, a stator assembly, and a cap, wherein the rotor assembly includes a rotor insulating substrate and a plurality of rotor conductors embedded therein, and the stator assembly includes a plurality of stator shells, a first stator shell, a second stator shell, and a plurality of stator wafers.

[0011] Preferably, the stator clip is a pre-formed independent single-unit structure, and the stator housing is provided with mounting positions that precisely correspond to the shape and number of the stator clips. The stator clip is fixedly connected to the mounting positions of the stator housing through its own positioning holes and positioning steps.

[0012] Preferably, the stator housing is provided with a mutually cooperating positioning structure between the stator housing and the stator housing one and stator housing two. The positioning structure of the stator housing has an inlet angle with a specific taper, and the angle range is between 30° and 60°.

[0013] Preferably, the rotor assembly is provided with a mutually cooperating axial positioning structure and a radial positioning structure between it and the stator housing one and the stator housing two.

[0014] Preferably, the stator assembly and the cap are oriented and fixed together by a snap-fit ​​structure.

[0015] Preferably, the locating bullet is a U-shaped structure formed by stamping elastic alloy copper sheet, with a positioning hole and positioning step in the middle for easy gripping and automated assembly.

[0016] Preferably, the stator assembly consists of at least two detachable modules, which are fixed together by snap-fit ​​or quick-threaded connection structures.

[0017] Preferably, the stator assembly and the cap are provided with a mutually cooperating anti-rotation structure, which is positioned and pressed in by equipment.

[0018] Preferably, a bearing is provided between the first stator housing and the lowermost stator housing, and a bearing is provided between the second stator housing and the uppermost stator housing.

[0019] Compared with the prior art, this utility model provides a multi-channel cap-type slip ring that can be automatically assembled, which has the following advantages:

[0020] 1. Suitable for automated assembly: By replacing non-standard brush filament bundles with standardized pre-formed spring pieces, and combining them with a precise positioning structure (axial and radial) and quick snap-fit ​​connection, robotic arms or automated equipment can easily and accurately complete the gripping, alignment and assembly of all core components, greatly improving assembly efficiency and consistency.

[0021] 2. Stable and reliable performance: Automated assembly ensures the uniformity of contact pressure in each passage, significantly reducing product performance dispersion caused by human factors and improving the overall lifespan and reliability of the product.

[0022] 3. Significant cost-effectiveness: It reduces reliance on manpower, improves production yield and efficiency, thereby reducing the overall production cost per unit and enhancing market competitiveness.

[0023] 4. Compact and reasonable structure: While optimizing the assembly process, it maintains the characteristics of compact structure and excellent electrical performance of the slip ring itself, making it suitable for various application scenarios with requirements for space and performance. Attached Figure Description

[0024] Figure 1 This is an exploded view of the present invention;

[0025] Figure 2 This is a schematic diagram of the snap-fit ​​connection between the rotor assembly and the housing, as well as the connection between the stator and the housing of this utility model.

[0026] Figure 3 This is a schematic diagram of the axial cross-section of the present invention;

[0027] Figure 4 This is a schematic diagram of the overall side view structure of this utility model;

[0028] Figure 5 This is a schematic diagram of the overall axial front view of the present invention;

[0029] Figure 6 This is a schematic diagram of the axial perspective structure of this utility model.

[0030] In the diagram: 1. Rotor assembly; 2. Stator housing 1; 3. Stator housing; 4. Stator housing 2; 5. Cap; 6. Stator spring sheet; 7. Bearing 1; 8. Bearing 2. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example:

[0033] Please see Figure 1 - Figure 6The multi-channel cap-type slip ring that can be automatically assembled in this embodiment includes a rotor assembly 1, a stator assembly and a cap 5 arranged in sequence. The rotor assembly 1 includes a rotor insulating substrate and four rotor conductive rings embedded therein. The stator assembly includes several stator housings 3, stator housing one 2, stator housing two 4 and four stator bullets 6 mounted on the stator housing 3.

[0034] The stator clip 6 is a pre-formed, independent single-unit structure that is precisely matched with the mounting position of the clip on the stator housing 3;

[0035] The stator housing 3, equipped with the stator bullet 6, is fixed to the stator housing 2 by interference fit or snap fastening through its own fixing position;

[0036] The stator housing 3 equipped with the stator clip 6 is fixed to the mounting position of the stator housing 3 equipped with the stator clip 6 by interference fit or snap fastening through its own fixing position.

[0037] The stator housing 2 4 is fixed to the stator housing 3, which is equipped with stator bullet pieces 6, by interference fit or snap fastening through its own fixing position;

[0038] The rotor insulation substrate has a first axial positioning part and a first radial positioning part on its outer circumferential surface.

[0039] The inner circumferential surfaces of stator housing 1 2 and stator housing 2 4 are provided with a first axial positioning part for the rotor, and the inner end surfaces of stator housing 1 2 and stator housing 2 4 are provided with a first radial positioning part for the rotor.

[0040] Rotor assembly 1 and stator assembly are fixed together by a snap-fit ​​structure to prevent rotation.

[0041] Among them, the stator bullet 6 is a U-shaped structure formed by stamping elastic alloy copper sheet. The arched part in the middle forms a fixing part. The stator bullet 6 is provided with fixing holes that are located in the fixing position of the stator housing 3 and its two end parts are contact parts that slide in contact with the rotor conductor.

[0042] The mounting position is a slit or groove opened on the stator insulation substrate, and the shape of the fixing part matches the shape of the slit or groove.

[0043] The rotor conductor is a ring-shaped conductive sheet, which is integrally encapsulated in the rotor insulation substrate through an insert injection molding process, with its contact surface exposed on the outer circumferential surface of the rotor insulation substrate.

[0044] The first axial positioning part of the rotor is formed on the annular circular surface of the outer wall of the rotor insulating substrate, and the first axial positioning part of the stator is formed on the inner circumferential surface of the inner wall of the stator housing 1 2 and the stator housing 2 4; the first radial positioning part of the rotor is formed on the end face of the annular shoulder of the rotor insulating substrate, and the first radial positioning part of the stator is formed on the mating plane of the inner wall of the stator housing 1 2 and the stator housing 2 4.

[0045] The snap-fit ​​structure includes an annular groove formed on the outer wall of the rotor insulating substrate, and a groove and a positioning post formed on the end face of the stator assembly; when the rotor assembly is pressed into the stator assembly to a predetermined position, the stator housing 3, stator housing 1 2, and stator housing 2 4 are fixed by the groove and positioning post on the end face.

[0046] The outer circumferential surface of the stator housing 2 insulating substrate is provided with a positioning groove, and the inner circumferential surface of the cap 5 is provided with a positioning protrusion that mates with the positioning groove to prevent the stator assembly from rotating inside the housing;

[0047] The bottom of stator housing 3, stator housing 1 2, and stator housing 2 4 is provided with wire holes leading to the interior;

[0048] A bearing 7 is provided between stator housing 2 and the lowermost stator housing 3, and a bearing 8 is provided between stator housing 4 and the uppermost stator housing;

[0049] Furthermore, the rotor assembly 1 includes a rotor insulating substrate made of engineering plastic. Four annular rotor conductors made of copper alloy are integrally encapsulated within the rotor insulating substrate using an insert injection molding process. Their annular contact surfaces are precisely exposed on the outer circular surface of the substrate. Four rotor pins are also connected to their corresponding rotor conductors via injection molding and extend outwards. On the outer wall of the rotor insulating substrate, there are two annular end faces (front and rear), a first axial positioning portion for axial positioning that is an annular convex surface, and two annular outer circles (front and rear) and a first radial positioning portion for radial positioning that is an annular outer circle.

[0050] Furthermore, the stator assembly includes a stator housing 3, a stator housing 1 2, and a stator housing 2 4 made of engineering plastic. Four stator plates 6 are stamped from alloy copper sheets with good elasticity and conductivity to form a U-shaped single-unit structure. The middle part of the structure is the fixing part, and the inner sides of both ends are the contact parts. The stator housing 3 has four positioning posts that are precisely matched with the groove mounting positions of the stator housing 1 2.

[0051] During assembly, the automated equipment vertically presses the fixing part of the stator bullet 6 into the corresponding mounting position of the stator housing 3. The mounting position of the stator bullet 6 and the fixing position of the stator housing 3 are fastened together with fixing screws. The four stator positioning posts are then pressed into the stator grooves. The four stator housings 3 are connected to each other and finally fixed with the stator housing 4.

[0052] In a more specific embodiment, the first radial positioning part of rotor assembly 1 is fitted with bearing 7 and bearing 8, and mates with the first axial positioning part. The first axial positioning part of rotor assembly 1 mates with the inner circular stepped surfaces of stator housing 2 and stator housing 4 of stator assembly. The first radial positioning part of rotor assembly 1 engages with the inner circular locking surfaces of stator housing 2 and stator housing 4 of stator assembly. The cap 5 provides protection and support. Its inner wall is machined with protruding keys, which mate with the stepped surface of stator housing 2 to prevent rotation and fix the rotor. A wire hole is provided at the bottom.

[0053] The automated equipment and the corresponding picking and moving equipment, as well as their matching operation mode with the structure of this application, are existing technologies and are well-known to those skilled in the art. Therefore, they are not described in detail in this embodiment.

[0054] For specific assembly instructions, please refer to the following steps:

[0055] S1: The parts of the cap-type slip ring are transported to the predetermined gripping station by a vibratory feeder or conveyor belt;

[0056] S2: Use a robotic arm with a vacuum suction cup or adaptive gripper to grasp the stator housing;

[0057] S3: Identify the asymmetrical positioning holes on the flange using a sensor and perform angle correction on the stator housing;

[0058] S4: Move and press the corrected slip ring housing onto the rotating shaft of the target equipment;

[0059] S5: During the pressing process, the pressing force or displacement is detected in real time, and the detection data is compared with the preset standard range;

[0060] S6: If the detection data exceeds the preset standard range, an alarm will be triggered and the assembly process will be paused.

[0061] In step S4, the pressing process uses a pressing head with a buffer function. The pressing head includes a main body and a pressing component. The main body is used to pick up or release the slip ring housing, and the pressing component is slidable relative to the main body and is used to push the slip ring housing.

[0062] Among them, a detachable modular design that facilitates automated assembly and maintenance is introduced to enable automated assembly.

[0063] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. As long as they can achieve their beneficial effects, they can be implemented. Therefore, this embodiment will not elaborate on their specific structural composition and working principle.

[0064] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-channel cap-type slip ring that can be automatically assembled, characterized in that: It includes a rotor assembly (1), a stator assembly and a cap (5). The rotor assembly (1) includes a rotor insulating substrate and a plurality of rotor conductors embedded therein. The stator assembly includes a plurality of stator shells (3), a first stator shell (2), a second stator shell (4) and a plurality of stator bullets (6).

2. The multi-channel cap-type slip ring capable of automated assembly according to claim 1, characterized in that: The stator clip (6) is a pre-formed independent single-unit structure. The stator housing (3) is provided with mounting positions that precisely correspond to the shape and number of the stator clip (6). The stator clip (6) is fixedly connected to the mounting positions of the stator housing (3) through its own positioning holes and positioning steps.

3. The multi-channel cap-type slip ring capable of automated assembly according to claim 1, characterized in that: The stator housing (3) is provided with a positioning structure that cooperates with the stator housing one (2) and the stator housing two (4). The positioning structure of the stator housing (3) is an inlet angle with a specific taper, and its angle range is between 30° and 60°.

4. The multi-channel cap-type slip ring that can be automatically assembled according to claim 1, characterized in that: The rotor assembly (1) is provided with a axial positioning structure and a radial positioning structure that cooperate with each other between the stator housing one (2) and the stator housing two (4).

5. The multi-channel cap-type slip ring capable of automated assembly according to claim 1, characterized in that: The stator assembly and the cap (5) are fixed in a directional manner by a snap-fit ​​structure.

6. The multi-channel cap-type slip ring capable of automated assembly according to claim 1, characterized in that: The fixed bullet piece (6) is a U-shaped structure formed by stamping elastic alloy copper sheet, with a positioning hole and positioning step in the middle for easy gripping and automated assembly.

7. The multi-channel cap-type slip ring that can be automatically assembled according to claim 1, characterized in that: The stator assembly consists of at least two detachable modules, which are fixed together by snap-fit ​​or quick-threaded connection structures.

8. A multi-channel cap-type slip ring capable of automated assembly according to claim 1, characterized in that: The stator assembly and the cap (5) are provided with a mutually cooperating anti-rotation structure, which is positioned and pressed in by the equipment.

9. A multi-channel cap-type slip ring capable of automated assembly according to claim 1, characterized in that: A bearing 1 (7) is provided between the first stator housing (2) and the lowest stator housing (3), and a bearing 2 (8) is provided between the second stator housing (4) and the highest stator housing.

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