High-reliability wear-resistant switch locking contact assembly device
Patent Information
- Application Number
- CN202522395530.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-12
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-11-12
AI Technical Summary
现有装置下料环节通常是通过机械臂等装置将加工完成之后的物料夹持或吸附到收纳箱上方再将物料放下，通常因为触头这种部件都是大批量的生产所以大部分收纳箱都是比较深的，机械臂通常都不便于将触头直接安全的放置在收纳箱的底部，如果直接从上方丢下由于触头本身具有一定重量，且掉落过程中存在高度差，直接撞击收纳箱底面会产生较大冲击力，不仅容易导致触头表面出现划痕、变形，还可能造成内部锁紧结构松动，影响产品精度与使用可靠性；因此，需要对上述问题进行改进
[0010]与现有技术相比，本实用新型的有益效果是：本实用新型通过承载杆与托盘、导向槽的配合，托盘承接下落的触头，导向槽限制承载杆滑移方向，便于稳定承接触头，提高了下料承接的精准性，进而能够实现触头的平稳承接功能；再通过下压弹簧与缓冲杆、第一限位块的配合，触头重力带动承载杆下压时，下压弹簧压缩产生反向弹力，便于缓冲下落冲击力，提高了缓冲效果的稳定性，进而能够实现触头的柔性下料功能；同时通过第二限位块与缓冲杆、下料箱的配合，限制缓冲杆的最大下移行程，便于避免承载杆过度滑移，提高了缓冲结构的运行稳定性，进而能够实现缓冲行程的精准管控功能；最终解决了现有装置下料时触头直接掉落撞击收纳箱底面、产生较大冲击力的问题，提高了触头结构完整性与产品精度可靠性。
Smart Images
Figure CN224841582U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of contact assembly technology, and in particular to a highly reliable and wear-resistant switch locking contact assembly device. Background Technology
[0002] Locking contacts are core conductive components of electrical switches, circuit breakers, and other power equipment. In existing equipment, the unloading process typically involves using robotic arms or similar devices to clamp or suction the processed material onto a storage box before lowering it. Since components like contacts are mass-produced, most storage boxes are quite deep. This makes it difficult for robotic arms to safely place the contacts directly at the bottom of the box. Dropping the contact directly from above, due to its weight and the height difference during the fall, can result in significant impact on the bottom of the box, easily causing scratches and deformation on the contact surface and potentially loosening the internal locking structure, affecting product accuracy and reliability. Therefore, improvements are needed to address these issues. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a highly reliable and wear-resistant switch locking contact assembly device.
[0004] To achieve the above objectives, this utility model adopts the following technical solution: a highly reliable and wear-resistant switch locking contact assembly device, comprising a device base, a transmission box mounted in the center of the top surface of the device base, a first motor coaxially fixed to the input end of the transmission box, an assembly table coaxially fixed to the output end of the transmission box located on the top surface, and a plurality of mold boxes equidistantly arranged on the periphery of the top surface of the assembly table facing the center of the assembly table, a stop block provided at one end of the inner wall of the mold box, and a wide-diameter hole opened at the other end of the mold box, the top surface of the device base located on the assembly table... A mounting bracket is installed on the side, and an electric actuator is hinged to one end of each side of the mounting bracket. A connecting rod is fixed to the telescopic end of the electric actuator. An H-shaped block is hinged to the upper end of the mounting bracket facing the assembly table. A striking head is hinged to the end of the H-shaped block away from the mounting bracket. A striking rod extending into a wide-diameter hole is fixed to one end of the striking head. The lower end of the striking head is hinged to one end of the connecting rod. A drive box is provided on one side of the mounting bracket. A feeding assembly is rotatably mounted on the top surface of the drive box. A feeding box located within the rotation range of the feeding assembly is slidably mounted on the outer wall of one side of the device base.
[0005] Preferably, a reflective block is fixedly connected to the middle of the outer wall on both sides of the striking head, and a reflection counter corresponding to the reflective block is installed on both sides of the mounting frame by bolts.
[0006] Preferably, a second motor is installed on the bottom surface of the drive box, and a drive gear is coaxially fixed to the second motor. A driven gear is rotatably disposed inside the drive box and meshed on one side of the drive gear. A rotating rod is coaxially fixed to the driven gear.
[0007] Preferably, the feeding assembly includes a swing rod coaxially fixed to the rotating rod, one end of the swing rod is fixed to an electric telescopic cylinder, the telescopic end of the electric telescopic cylinder is fixed to a vacuum machine, and the output end of the vacuum machine is connected to and fixed to multiple vacuum suction cups.
[0008] Preferably, the material feeding box has multiple rows of individual boxes arranged at equal intervals, with two individual boxes in each row, and a guide groove is opened in the middle of the opposite side of each row of individual boxes. A bearing rod is slidably arranged in the guide groove, and a tray with a shape corresponding to the inner wall of the individual box is fixed to one end of the bearing rod.
[0009] Preferably, a first limiting block is abutted against the middle of the bottom surface of the bearing rod, a buffer rod is fixedly connected to the bottom end of the first limiting block and penetrates the outer wall of the bottom surface of the feeding box, a second limiting block is fixedly connected to the bottom end of the buffer rod, a downward pressure spring is sleeved on the outer wall of the buffer rod, the bottom end of the downward pressure spring abuts against the inner bottom surface of the feeding box, and the top end of the downward pressure spring abuts against the bottom surface of the first limiting block.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, through the cooperation of the bearing rod, the tray, and the guide groove, allows the tray to receive the falling contact, while the guide groove restricts the sliding direction of the bearing rod, facilitating stable contact reception and improving the accuracy of material receiving, thus enabling smooth contact reception. Furthermore, through the cooperation of the downward spring, the buffer rod, and the first limiting block, when the contact's gravity drives the bearing rod downward, the downward spring compresses to generate a reverse elastic force, facilitating the buffering of the falling impact and improving the stability of the buffering effect, thus enabling flexible contact receiving. Simultaneously, through the cooperation of the second limiting block, the buffer rod, and the material box, the maximum downward stroke of the buffer rod is limited, preventing excessive slippage of the bearing rod and improving the operational stability of the buffer structure, thus enabling precise control of the buffer stroke. Ultimately, this solves the problem of existing devices causing the contact to directly fall and impact the bottom of the storage box during material receiving, generating a large impact force, and improves the structural integrity of the contact and the reliability of product precision. Attached Figure Description
[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a first-view schematic diagram of the overall structure proposed in this utility model; Figure 2This is a schematic diagram of the overall structure of the assembly table proposed in this utility model; Figure 3 This is a partial cross-sectional view of the drive box proposed in this utility model; Figure 4 This is a schematic diagram of the overall structure of the buffer rod proposed in this utility model.
[0012] The numbers in the diagram are: 1. Device base; 2. Assembly table; 3. Mold box; 4. Electric actuator; 5. Stop block; 6. Impact head; 7. Reflection counter; 8. Drive box; 9. Swing rod; 10. Vacuum suction cup; 11. Feed box; 12. Individual unit box; 13. Bearing rod; 14. Buffer rod. Detailed Implementation
[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0014] Example: See Figures 1 to 4This utility model discloses a high-reliability, wear-resistant switch locking contact assembly device, comprising a device base 1, a transmission box mounted in the center of the top surface of the device base 1, a first motor coaxially fixed to the input end of the transmission box, and an assembly table 2 coaxially fixed to the output end of the transmission box located on the top surface. Multiple mold boxes 3 are equidistantly arranged on the periphery of the top surface of the assembly table 2, facing the center of the assembly table 2. A stop block 5 is provided at one end of the inner wall of each mold box 3, and a wide-diameter hole is opened at the other end of each mold box 3. A mounting frame is mounted on the top surface of the device base 1 on one side of the assembly table 2. An electric push rod 4 is hinged to one end of each side of the mounting frame, and a connecting rod is fixed to the telescopic end of the electric push rod 4. An H-shaped block is hinged to the upper end of the mounting frame facing the assembly table 2, and a striking head 6 is hinged to the end of the H-shaped block away from the mounting frame. One end of the striking head 6 is fixedly connected to a striking rod extending into a wide-diameter hole. The lower end of the striking head 6 is hinged to one end of the connecting rod. A drive box 8 is provided on one side of the mounting frame. A feeding assembly is rotatably mounted on the top surface of the drive box 8. A feeding box 11 located within the rotation range of the feeding assembly is slidably mounted on the outer wall of one side of the device base 1. The device base 1 is welded from Q235 steel plate, with high structural strength, providing a stable mounting foundation for each component. The first motor is a Y100L-2 three-phase asynchronous motor with stable speed and sufficient power output. The transmission box is a worm gear transmission box with precise transmission ratio, smooth operation, and a self-locking function to prevent accidental rotation of the assembly table 2. The assembly table 2 is made of 45# steel with a hardened surface, exhibiting strong wear resistance. The mold box 3 is made of Cr12MoV steel. The mold steel is high in hardness and wear-resistant, suitable for contact assembly and forming requirements; the electric actuator 4 adopts a DMGA series linear electric servo cylinder, with high accuracy of extension stroke, flexible thrust adjustment, and rapid response; the striking head 6 is integrally formed with the striking rod, and is made of tungsten steel, which is wear-resistant and impact-resistant; this structure integrates the transmission box, assembly table 2, and mounting frame through the device base 1. The first motor drives the assembly table 2 to rotate through the worm gear transmission box, and the electric actuator 4 drives the striking head 6 to realize the assembly striking action. The mold box 3 and the stop block 5 complete the contact positioning, realizing the coordinated integration of assembly, positioning, and driving; the above components together form the basic framework of the device, providing structural support for subsequent precise assembly and automatic unloading; reflective blocks are fixed to the middle of the outer walls on both sides of the striking head 6. The mounting bracket has two bolts on both sides, each corresponding to a reflective block, and a reflection counter 7. The reflective block is made of acrylic, which has good reflective effect and can accurately reflect light signals. The reflection counter 7 is an E3Z-LS63 photoelectric counter, which has fast response speed and high counting accuracy. This structure allows the reflective block to move synchronously with the striking head 6, and the reflection counter 7 to receive and count the reflected signals, realizing real-time statistics of the number of assembly, avoiding missed assembly and over-assembly, and improving the accuracy of production control. A second motor is installed on the bottom surface of the drive box 8. The second motor is coaxially fixed to a drive gear. A driven gear is meshed on one side of the drive gear and rotated inside the drive box 8. A rotating rod is coaxially fixed to the driven gear. The drive box 8 is made of aluminum alloy, which is lightweight and has good heat dissipation.The second motor uses a 57BYG250 stepper motor, providing precise angle control and adapting to transportation and positioning requirements. The drive and driven gears are made of 45# steel, heat-treated for smooth transmission and high wear resistance. The rotating rod is made of 304 stainless steel, offering rust and corrosion resistance and high structural strength. This structure, driven by the second motor and gear transmission, precisely rotates the rotating rod, providing power for the transportation of the unloading assembly, ensuring accurate unloading position and improving transportation reliability.
[0015] In this utility model, the unloading assembly includes a swing rod 9 coaxially fixed to the rotating rod. One end of the swing rod 9 is fixedly connected to an electric telescopic cylinder, and the telescopic end of the electric telescopic cylinder is fixedly connected to a vacuum machine. The output end of the vacuum machine is connected to and fixedly connected to multiple vacuum suction cups 10. The swing rod 9 is made of aluminum alloy, which is lightweight and high-strength, and swings flexibly. The electric telescopic cylinder uses an RM-PVCS-5-15 direct-drive miniature platform push rod, which is compact, has high telescopic accuracy, and runs smoothly without vibration. The vacuum machine uses an R50Z-ST miniature vacuum generator, which provides stable and adjustable suction, fast response, and is suitable for gripping small-sized contacts. The vacuum suction cups 10 are made of silicone, which is soft and... The structure features excellent sealing performance, preventing damage to the contact surface. It uses an electric telescopic cylinder to precisely adjust the height of the vacuum suction cup 10, while the vacuum machine provides appropriate suction to grip the contact. The swing rod 9 drives the transfer, achieving automatic material handling and transport, replacing manual operation and improving material feeding efficiency and positioning accuracy. The feeding box 11 contains multiple rows of individual boxes 12 arranged at equal intervals, with two boxes per row. Each row of individual boxes 12 has a guide groove in the center of its opposite face, within which a bearing rod 13 slides. One end of the bearing rod 13 is fixed to a tray whose shape corresponds to the inner wall of the individual box 12. The feeding box 11 is made of ABS engineering plastic, which is lightweight, impact-resistant, and easy to handle. Handling; the individual box 12 is made of transparent acrylic material, making it easy to observe the internal contact storage situation; the support rod 13 is made of 45# steel, which is high in strength and not easily deformed; the pallet is made of silicone material, which can buffer the impact of the falling contacts and prevent contact damage; this structure uses the individual box 12 to classify and store contacts, and the support rod 13 cooperates with the pallet to receive the unloaded contacts. The guide groove ensures that the support rod 13 slides smoothly, improving the orderliness and safety of unloading and storage; the bottom center of the support rod 13 is abutted by a first limiting block, and the bottom end of the first limiting block is fixedly connected to a buffer rod 14 that penetrates the outer wall of the bottom surface of the unloading box 11. The bottom end of the buffer rod 14 is fixedly connected to a second limiting block. A downward pressure spring is sleeved on the outer wall of the buffer rod 14. The bottom end of the downward pressure spring abuts against the inner bottom surface of the feeding box 11, and the top end of the downward pressure spring abuts against the bottom surface of the first limiting block. The first limiting block and the second limiting block are made of 45# steel, which is structurally stable. The buffer rod 14 is made of 304 stainless steel, which is rust-proof and corrosion-resistant. The downward pressure spring is a cylindrical helical spring made of 60Si2Mn spring steel, which has a high elastic limit and long fatigue life. This structure reduces the impact force on the tray when the contact falls through the elastic buffering effect of the downward pressure spring, and avoids the contact from deforming due to impact. At the same time, the buffer rod 14 and the limiting block limit the buffer stroke, ensuring stable buffering effect and improving the integrity of contact storage.
[0016] Working Principle: In the use of this utility model, the operator first places the contact assembly parts to be processed one by one into the mold box 3 on the periphery of the assembly table 2. One end of the part abuts against the stop block 5 inside the mold box 3 to achieve precise positioning. The first motor starts and drives the assembly table 2 to rotate slowly through the transmission box, transferring the mold box 3 containing the parts to the assembly station corresponding to the striking head 6. After the mold box 3 reaches the designated position, the assembly table 2 stops rotating, and the electric push rod 4 starts. Its telescopic end extends and pushes the striking head 6 to rotate around the H-shaped block, driving the striking rod to move closer to the mold box 3. After the part is aligned, the electric actuator 4 quickly retracts. Under the inertia of retraction, the striking rod precisely impacts the contact assembly parts to complete the locking assembly. During the movement of the striking head 6, the reflective blocks on both sides move synchronously. The reflection counter 7 on the mounting frame receives the reflection signal and automatically counts, and counts the number of contacts assembled in real time. After assembly, the first motor drives the assembly table 2 to rotate again, transferring the mold box 3 containing the finished contacts to the unloading station. At the same time, the next mold box 3 to be assembled is transferred to the assembly station to achieve multi-station cyclic operation. At this time, the unloading component starts working, and the drive box 8... The second motor inside starts, driving the drive gear and driven gear to mesh and transmit power. This causes the rotating rod to rotate the swing rod 9 to above the unloading station. The electric telescopic cylinder extends, pushing the vacuum machine and vacuum suction cup 10 down to the surface of the finished contact. The vacuum machine starts, generating a stable suction force that holds the contact through the vacuum suction cup 10. Then the electric telescopic cylinder retracts, and the swing rod 9 rotates in the opposite direction, transferring the contact to directly above the corresponding unit box 12 inside the unloading box 11. The vacuum machine stops working, and the contact falls onto the tray inside the unit box 12 under gravity. After the contact contacts the tray, its gravity drives the bearing rod. 13 slides down along the guide groove. The first limiting block presses down synchronously, compressing the downward pressure spring on the outer wall of the buffer rod 14 and generating a reverse elastic force to buffer the impact force of falling and prevent the contact from being damaged by impact. The second limiting block limits the maximum downward stroke of the buffer rod 14 to prevent the bearing rod 13 from sliding too much and causing buffer failure. When the contact in the unit box 12 is stored to a specified number, the operator can pull out the unloading box 11, replace it with an empty unit box 12 and insert it back into its original position to continue receiving. The reflection counter 7 displays the cumulative assembly quantity in real time to help the operator control the production progress. At this point, the use of the device is completed.
[0017] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A high-reliability, wear-resistant switch locking contact assembly device, comprising a device base (1), characterized in that: A transmission box is installed in the middle of the top surface of the device base (1). The input end of the transmission box is coaxially fixed to a first motor. The output end of the transmission box is located on the top surface and is coaxially fixed to an assembly table (2). Multiple mold boxes (3) facing the center of the assembly table (2) are equidistantly arranged on the periphery of the top surface of the assembly table (2). One end of the inner wall of the mold box (3) is provided with a stop block (5). The other end of the mold box (3) is opened with a wide-diameter hole. A mounting frame is installed on the top surface of the device base (1) on one side of the assembly table (2). An electric push rod is hinged to one end of each side of the mounting frame. (4) The telescopic end of the electric push rod (4) is fixedly connected to a connecting rod. The upper end of the mounting frame facing the assembly table (2) is hinged to an H-shaped block. The end of the H-shaped block away from the mounting frame is hinged to a striking head (6). One end of the striking head (6) is fixedly connected to a striking rod that extends into a wide-diameter hole. The lower end of the striking head (6) is hinged to one end of the connecting rod. A drive box (8) is provided on one side of the mounting frame. A feeding assembly is rotatably provided on the top surface of the drive box (8). A feeding box (11) located within the rotation range of the feeding assembly is slidably provided on the outer wall of one side of the device base (1).
2. The high-reliability wear-resistant switch locking contact assembly device according to claim 1, characterized in that: A reflective block is fixed to the middle of the outer wall on both sides of the striking head (6), and a reflection counter (7) corresponding to the reflective block is installed on both sides of the mounting frame by bolts.
3. The high-reliability wear-resistant switch locking contact assembly device according to claim 2, characterized in that: A second motor is installed on the bottom surface of the drive box (8). The second motor is coaxially fixed with a drive gear. A driven gear is rotatably disposed inside the drive box (8) on one side of the drive gear. A rotating rod is coaxially fixed to the driven gear.
4. The high-reliability wear-resistant switch locking contact assembly device according to claim 3, characterized in that: The feeding assembly includes a swing rod (9) coaxially fixed to the rotating rod. One end of the swing rod (9) is fixed to an electric telescopic cylinder. The telescopic end of the electric telescopic cylinder is fixed to a vacuum machine. The output end of the vacuum machine is connected to and fixed to multiple vacuum suction cups (10).
5. The high-reliability wear-resistant switch locking contact assembly device according to claim 4, characterized in that: The material feeding box (11) is provided with multiple rows of individual boxes (12) at equal intervals. Each row of the individual boxes (12) has two boxes, and each row of individual boxes (12) has a guide groove in the middle of the opposite side of the box. A bearing rod (13) is slidably provided in the guide groove. One end of the bearing rod (13) is fixed to a tray whose shape corresponds to the inner wall of the individual box (12).
6. The high-reliability wear-resistant switch locking contact assembly device according to claim 5, characterized in that: The bearing rod (13) has a first limiting block abutting at the middle of its bottom surface. The bottom end of the first limiting block is fixedly connected to a buffer rod (14) that penetrates the outer wall of the bottom surface of the feeding box (11). The bottom end of the buffer rod (14) is fixedly connected to a second limiting block. The outer wall of the buffer rod (14) is sleeved with a downward pressure spring. The bottom end of the downward pressure spring abuts against the inner bottom surface of the feeding box (11), and the top end of the downward pressure spring abuts against the bottom surface of the first limiting block.