Electromagnetic locking type center device
By designing an electromagnetic locking type center device, precise positioning and automatic locking of irregularly shaped workpieces are achieved, solving the positioning accuracy and consistency problems of traditional center devices when installing workpieces with irregular cross-sections, and improving processing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU XIEPU ELECTRONIC MACHINERY EQUIPMENT CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-06-23
AI Technical Summary
Traditional top-mounted devices lack circumferential positioning structures and locking devices when installing workpieces with irregular cross-sections, resulting in low positioning accuracy and poor installation consistency, making it difficult to meet the requirements of high-precision machining.
An electromagnetic locking type center device is adopted, including a disc-shaped center assembly and an electromagnetic locking assembly. The workpiece is accurately positioned and automatically locked by electromagnet attraction. Combined with the installation components and the linkage with the processing equipment, automatic locking and release are achieved.
It improves the clamping stability and positioning accuracy of irregularly shaped workpieces, reduces manual intervention, meets the needs of frequent start-stop of processing equipment, and improves operating efficiency.
Smart Images

Figure CN224389997U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a tipping device, specifically an electromagnetic locking tipping device. Background Technology
[0002] In the machining industry, when lathes, winding machines, and other equipment process shafts and rods, centers are key auxiliary positioning components. In traditional machining industries, centers (including disc centers) are crucial auxiliary positioning components when lathes, winding machines, and other equipment process shafts and workpieces.
[0003] When traditional centers are used to install workpieces with irregular cross-sections, they suffer from technical defects such as the lack of positioning reference and locking mechanism. Because the center body does not have a circumferential positioning structure, it cannot form a matching constraint with the characteristic parts of the workpiece with irregular cross-sections, making it difficult to determine the relative position of the front and rear ends during installation. At the same time, the lack of an effective locking device makes it impossible to maintain the circumferential and axial stability of the workpiece after it is installed in place. The installation process requires multiple manual adjustments and calibrations, and the position is determined by visual observation and manual adjustment. This not only results in low operating efficiency, but also problems such as positioning accuracy deviation and poor installation consistency, making it difficult to meet the clamping and positioning requirements of high-precision irregular workpieces. Utility Model Content
[0004] The purpose of this invention is to overcome the defects of the prior art and provide an electromagnetic locking type tip device to solve the problems mentioned in the background art.
[0005] An electromagnetic locking type tip device, comprising:
[0006] Disc-shaped top-mounted components;
[0007] An electromagnetic locking assembly is disposed on one side of a disc-shaped tip assembly, and the disc-shaped tip assembly is attracted to the electromagnetic locking assembly when the electromagnetic locking assembly is energized.
[0008] The mounting component is located at the end of the electromagnetic locking component away from the disc-shaped tip component. Fasteners are fixedly installed between the mounting component and the electromagnetic locking component. The disc-shaped tip component is rotatably connected to the mounting component.
[0009] Preferably, the disc-shaped tip assembly includes a turntable, a shaft, a spring plate, and an armature. The shaft is fixed in the middle of the turntable, the armature is fixed at the end of the spring plate away from the turntable, and the spring plate is located outside the shaft and fixed to the turntable.
[0010] Preferably, the electromagnetic locking assembly includes a connecting seat and an electromagnet, the electromagnet being fixed at one end of the connecting seat near the turntable, the electromagnet being positioned close to the armature, and the end of the shaft passing through the inner side of the connecting seat.
[0011] Preferably, the mounting assembly includes a mounting base and an end plate, the end plate being fixed to one end of the mounting base near the connecting base, and the fasteners being fixedly installed between the end plate and the connecting base.
[0012] Preferably, the mounting assembly further includes a bearing, which is fixedly mounted inside the mounting base, with the end of the shaft extending into the mounting base and the journal of the shaft fixedly mounted in the inner ring of the bearing.
[0013] The beneficial effects of this utility model are as follows: This electromagnetic locking type center device has strong adaptability. The disc-shaped center assembly can be installed with corresponding positioning structures according to irregular workpieces, thereby significantly increasing the contact area and improving clamping stability. Moreover, when the equipment stops, the electromagnetic locking assembly is energized and attracts the disc-shaped center assembly to limit its position, ensuring that the workpiece can accurately return to its original processing position after being picked up or placed. Furthermore, the electromagnetic locking method has a rapid response, meeting the rhythm of frequent start and stop of processing equipment, and is convenient to link with the start and stop signals of processing equipment to achieve automatic locking and release, reducing manual intervention and improving efficiency. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall design of this utility model;
[0015] Figure 2 This is an exploded view of the entire utility model;
[0016] Figure 3 This utility model Figure 2 A schematic diagram of the right side;
[0017] Figure 4 This is a schematic cross-sectional view of the present invention.
[0018] In the picture:
[0019] 1-Disc-shaped center assembly, 11-Turntable, 12-Shaft, 13-Spring plate, 14-Armature;
[0020] 2-Electromagnetic locking assembly, 21-Connecting base, 22-Electromagnet;
[0021] 3-Mounting component, 31-Mounting base, 32-End plate, 33-Bearing;
[0022] 4-Fasteners. Detailed Implementation
[0023] Please see Figures 1-4 An electromagnetic locking type tip device, comprising:
[0024] The disc-shaped center assembly 1 includes a turntable 11, a shaft 12, a spring plate 13, and an armature 14. The shaft 12 is fixed in the middle of the turntable 11, and the armature 14 is fixed at the end of the spring plate 13 away from the turntable 11. The spring plate 13 is located outside the shaft 12 and fixed to the turntable 11. The disc-shaped center assembly 1 is the core component for achieving precise positioning of rod-like workpieces with irregular cross-sections. Since bolt holes are opened on the other side of the turntable 11, the corresponding positioning structure can be installed on the surface of the turntable 11 by bolts passing through the bolt holes, or by other fixing methods, according to the cross-sectional shape of the workpiece, such as a square size. In this way, the positioning structure on the two surfaces of the two turntables 11 of the two electromagnetic locking center devices can be used to position the irregular workpiece. Thus, the disc-shaped center assembly 1 can install the corresponding positioning structure according to the irregular workpiece, thereby significantly increasing the contact area and improving the clamping stability.
[0025] An electromagnetic locking assembly 2 is disposed on one side of the disc-shaped tip assembly 1. The disc-shaped tip assembly 1 is attracted to the electromagnetic locking assembly 2 when the latter is energized. The electromagnetic locking assembly 2 includes a connecting base 21 and an electromagnet 22. The electromagnet 22 is fixed to the end of the connecting base 21 near the turntable 11 and is positioned close to the armature 14. The end of the shaft 12 passes through the inner side of the connecting base 21. The electromagnetic locking assembly 2 is a key actuator for achieving precise and repeatable tip positioning. When the electromagnet 22 is energized, it generates magnetic force. The electromagnet 22 attracts and adheres to the armature 14, thereby locking the turntable 11 to keep it in a fixed position. When the electromagnet 22 is de-energized, the magnetic force disappears, allowing the turntable 11 to resume rotation. When the equipment stops, the electromagnetic locking component 2 is energized and attracts the disc-shaped tip component 1 to limit the position of the disc-shaped tip component 1, ensuring that the workpiece can accurately return to its original processing position after being picked up or placed. Moreover, the electromagnetic locking method responds quickly, meeting the rhythm of frequent start and stop of the processing equipment, and is convenient to link with the start and stop signals of the processing equipment to achieve automatic locking and release, reduce manual intervention, and improve efficiency.
[0026] Mounting component 3 is located at the end of electromagnetic locking component 2 away from disc-shaped tip component 1. Fastener 4 is fixedly installed between mounting component 3 and electromagnetic locking component 2. Disc-shaped tip component 1 is rotatably connected to mounting component 3. Mounting component 3 includes mounting base 31 and end plate 32. End plate 32 is fixed at the end of mounting base 31 near connecting base 21. Fastener 4 is fixedly installed between end plate 32 and connecting base 21. Mounting component 3 is the supporting foundation of the device and can be fixed to lathe and winding machine guide rails using fastener 4. At the same time, end plate 32 and connecting base 21 can be fixed by fastener 4.
[0027] The mounting assembly 3 also includes a bearing 33, which is fixedly installed inside the mounting base 31. The end of the shaft 12 extends into the mounting base 31, and the journal of the shaft 12 is fixedly installed in the inner ring of the bearing 33. The bearing 33 is provided to ensure that the disc-shaped tip assembly 1 can rotate smoothly relative to the mounting assembly 3 after it is assembled with the mounting assembly 3.
[0028] Working principle: Press the bearing 33 into the bearing mounting hole of the mounting base 31 to ensure proper installation without damage. Then, install the journal of the shaft 12 into the inner ring of the bearing 33, so that the disc-shaped center assembly 1 can rotate smoothly relative to the mounting assembly 3. Align the connecting seat 21 of the electromagnetic locking assembly 2 with the end plate 32 of the mounting assembly 3 and pass the fastener 4 through the reserved hole. The fastener 4 can be a bolt. Then, pass the fastener 4 through the reserved hole on the guide rail of the processing equipment (such as a lathe or winding machine) and finally tighten it with a nut to complete the integrated installation. Then, connect the coil lead of the electromagnet 22 to the control circuit board and reliably connect the signal input terminal of the control circuit board to the start and stop control signal output terminal provided by the processing equipment (lathe, winding machine). When the equipment starts processing, the electromagnetic locking assembly 2 is de-energized, the disc-shaped center assembly 1 is released from the lock and can rotate freely. The operator clamps the irregular rod workpiece in the positioning structure of the disc-shaped center assembly 1. The disc-shaped center assembly 1 rotates synchronously with the spindle of the equipment, driving the workpiece to process.
[0029] When the equipment stops processing (workpiece change, inspection), the equipment start / stop signal triggers the control circuit, which energizes the electromagnetic locking component 2 to attract and lock the disc-shaped top component 1, fixing its position. The workpiece pick-up and drop-off operation is carried out in the locked state of the disc-shaped top component 1.
[0030] Before the equipment restarts processing, the start / stop signal triggers the control circuit, de-energizing the electromagnetic locking component 2, causing the magnetic force to disappear, and the disc-shaped center component 1 to return to a rotatable state. It then rotates again with the spindle to continue processing, thus cyclically realizing "processing-stop locking-workpiece pick-and-process again" and ensuring accurate and repeatable positioning for each clamping.
Claims
1. An electromagnetic locking type tip device, characterized in that, include: Disk-shaped tip assembly (1); Electromagnetic locking assembly (2), the electromagnetic locking assembly (2) is disposed on one side of the disc-shaped tip assembly (1), the disc-shaped tip assembly (1) is attracted to the electromagnetic locking assembly (2) when the electromagnetic locking assembly (2) is energized; The mounting component (3) is located at the end of the electromagnetic locking component (2) away from the disc-shaped tip component (1). Fasteners (4) are fixedly installed between the mounting component (3) and the electromagnetic locking component (2). The disc-shaped tip component (1) is rotatably connected to the mounting component (3).
2. The electromagnetic locking type tip device according to claim 1, characterized in that: The disc-shaped tip assembly (1) includes a turntable (11), a shaft (12), a spring plate (13), and an armature (14). The shaft (12) is fixed in the middle of the turntable (11), and the armature (14) is fixed at the end of the spring plate (13) away from the turntable (11). The spring plate (13) is located outside the shaft (12) and fixed to the turntable (11).
3. The electromagnetic locking type tip device according to claim 2, characterized in that: The electromagnetic locking assembly (2) includes a connecting seat (21) and an electromagnet (22). The electromagnet (22) is fixed at one end of the connecting seat (21) near the turntable (11). The electromagnet (22) is set close to the armature (14). The end of the shaft (12) passes through the inside of the connecting seat (21).
4. The electromagnetic locking type tip device according to claim 3, characterized in that: The mounting assembly (3) includes a mounting base (31) and an end plate (32). The end plate (32) is fixed to one end of the mounting base (31) near the connecting base (21). The fastener (4) is fixedly installed between the end plate (32) and the connecting base (21).
5. The electromagnetic locking type tip device according to claim 4, characterized in that: The mounting assembly (3) also includes a bearing (33), which is fixedly mounted inside the mounting base (31). The end of the shaft (12) extends into the mounting base (31), and the journal of the shaft (12) is fixedly mounted in the inner ring of the bearing (33).