Gravity sensing device

Abstract

The application relates to the field of gravity sensing, in particular to a gravity sensing device which comprises a supporting table, a blanking frame, a mandrel, a sensor and a controller, the supporting table is arranged below the blanking frame, one end of the mandrel is fixedly connected to the blanking frame, the other end of the mandrel is slidably connected to the supporting table, the sensor is used for detecting the movement of the mandrel, the sensor is electrically connected to the controller, and the controller is used for controlling the start and stop of a stamping die. The automatic and accurate monitoring of the stacking height of the punching sheet and the timely shutdown protection are realized: when the stacking gravity drives the mandrel to move, the sensor rapidly detects the displacement and triggers the controller to stop the press, so that the die blockage and damage are effectively avoided, the reliability, safety and production efficiency of equipment operation are obviously improved, and the manual intervention cost and maintenance demand are reduced.

Description

Technical Field

[0001] This application relates to the field of gravity sensing, and more particularly to a gravity sensing device. Background Technology

[0002] In the manufacturing process of motor stators, stators are usually made from quantitative silicon steel laminations through a stacking and forming process. Stamping is a key step in the production of stator laminations. After the stamped stator laminations are formed in the mold, they need to be pushed out and fall into the blanking frame below.

[0003] However, due to the height difference between the blanking frame and the mold exit, operators must promptly remove the stamped stator laminations to prevent them from piling up too high in the blanking frame. If not cleared in time, the accumulated laminations will obstruct the normal ejection of new laminations from the mold, causing the stamping process to be hindered. This not only affects production efficiency but may also cause mold jamming or damage, or even press equipment failure, increasing maintenance costs and production safety risks. Utility Model Content

[0004] To improve production efficiency, this application provides a gravity sensing device.

[0005] The gravity sensing device provided in this application adopts the following technical solution: A gravity sensing device includes a support platform, a feeding frame, a mandrel, a sensor, and a controller. The support platform is located below the feeding frame. One end of the mandrel is fixedly connected to the feeding frame, and the other end of the mandrel is slidably connected to the support platform. The sensor is used to detect the movement of the mandrel. The sensor is electrically connected to the controller, and the controller is used to control the start and stop of the stamping die.

[0006] By adopting the above technical solution, automatic and accurate monitoring of the stacking height of the stamping sheets and timely shutdown protection are achieved: when the mandrel is moved by the gravity of the stacked material, the sensor quickly detects the displacement and triggers the controller to stop the press, thereby effectively avoiding mold blockage and damage, significantly improving the reliability, safety and production efficiency of the equipment, while reducing the cost of manual intervention and maintenance requirements.

[0007] Preferably, it also includes a slider, the upper end of the support platform is provided with a sliding groove, the mandrel slides in the sliding groove, the outer wall of the mandrel is provided with an abutment surface, the diameter of the abutment surface decreases as the height decreases, the outer wall of the support platform is provided with an installation opening, the installation opening is connected to the sliding groove, the slider slides in the installation opening, the slider abuts against the abutment surface, and the sensor is used to detect the sliding of the slider.

[0008] By adopting the above technical solution, the vertical displacement of the mandrel caused by the gravity of the stacked material is accurately converted into the horizontal displacement of the sliding component through the ingenious cooperation between the conical contact surface of the mandrel and the sliding component. The sliding component moves smoothly and without jamming under the action of the guide structure, enabling the sensor to efficiently and reliably detect minute displacement changes and trigger the controller to stop. This achieves real-time, high-precision monitoring and automatic protection of the stacked stampings, effectively preventing mold failure. The transmission method of converting vertical force into horizontal signal further optimizes the sensor layout and enhances the system's anti-interference capability.

[0009] Preferably, the sliding component includes a roller and a sliding rod, one end of the sliding rod is provided with a mounting groove, the roller is rotatably connected to the groove wall of the mounting groove around its own axis, and the roller abuts against the abutting surface.

[0010] By adopting the above technical solution, the vertical displacement generated by the gravity of the stacked material is efficiently converted into the horizontal movement of the sliding rod. Its rolling friction method significantly reduces transmission resistance and wear of parts, ensuring sensitive response and durability. It enables the sensor to accurately detect minute displacement changes, realize real-time monitoring of the stacked material height and rapid shutdown protection, effectively prevent mold blockage failures, and greatly reduce maintenance requirements, thus comprehensively improving the automation level and operational stability of the equipment.

[0011] Preferably, the sensor includes a base and a switch. The base is fixedly connected to the inner wall of the mounting port. The end of the base facing the spindle is provided with a control groove. The switch is fixedly connected to the bottom of the control groove. The sliding rod is slidably connected to the wall of the control groove and is used to abut against the switch. The switch is electrically connected to the controller.

[0012] By adopting the above technical solution, the switch is built into the control slot of the base and forms a precise contact relationship with the sliding rod, thus constructing a highly integrated and protected sensing unit: the control slot provides stable guidance for the sliding rod, ensuring its linear movement and accurate triggering of the switch; at the same time, the sealed structure effectively prevents dust and resists interference, greatly improving the reliability and lifespan of the switch action, enabling the sensor to output a stable signal, and ultimately realizing real-time and accurate detection of the lamination stacking state and automatic equipment shutdown protection, significantly enhancing the overall reliability of the system.

[0013] Preferably, the sliding member further includes a spring, a trigger rod is fixedly connected to the end of the sliding rod away from the roller, the spring is sleeved on the outer periphery of the trigger rod, one end of the spring is connected to the sliding rod, the other end of the spring is connected to the bottom of the control groove, and the switch is located on the inner periphery of the spring and is used for the trigger rod to abut.

[0014] By adopting the above technical solution, the dual functions of automatic reset and switch triggering of the sliding rod are realized: the spring continuously provides elastic force to press the roller tightly against the spindle contact surface, ensuring zero delay and no misalignment in displacement detection; at the same time, the trigger rod moves along a precise path under the guidance of the spring, which can reliably abut against and trigger the built-in switch. This integrated design not only optimizes the spatial structure and enhances the vibration resistance and dustproof performance, but also greatly improves the accuracy, stability and service life of the sensor action.

[0015] Preferably, the mandrel includes a fixed shaft and an abutment shaft. One end of the fixed shaft is fixedly connected to the feeding frame, and the other end of the fixed shaft is coaxially fixedly connected to the abutment shaft. The abutment surface is provided on the outer wall of the abutment shaft, and the fixed shaft is slidably connected to the groove wall of the sliding groove.

[0016] By adopting the above technical solution, the fixed shaft is dedicated to the stable connection with the feeding frame and the precise guidance in the sliding groove, ensuring stable force and smooth sliding; while the coaxial abutting shaft focuses on efficient force transmission with the roller through its tapered abutting surface. This design not only reduces the processing difficulty and cost of individual parts, but also makes it easier to maintain or replace the easily worn abutting surface separately, greatly improving the maintainability, service life and economy of the entire sensing device.

[0017] Preferably, it also includes a guide post, the support platform is provided with a guide opening, one end of the guide post is fixedly connected to the unloading frame, and the guide post is slidably connected to the inner wall of the guide opening.

[0018] By adopting the above technical solution, the guide column and the guide port on the support platform are precisely matched, providing additional vertical guidance and support for the unloading frame, effectively suppressing the lateral overturning moment or jamming risk that may be caused by the gravity of the stacked material, and ensuring that the mandrel always slides smoothly along the preset axis.

[0019] Preferably, it also includes an anti-detachment block, the lower end of the support platform is provided with an anti-detachment groove, the anti-detachment groove is connected to the guide opening, the anti-detachment block is fixedly connected to the lower end of the guide column, and the anti-detachment block is slidably connected to the groove wall of the anti-detachment groove.

[0020] By adopting the above technical solution, the anti-detachment block is fixed to the lower end of the guide column and slides in the anti-detachment groove. This structure can effectively capture the guide column and prevent it from completely detaching from the guide opening due to accidental impact or spring failure, thus avoiding equipment damage and safety accidents that may be caused by the falling of the feeding frame.

[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. It realizes automatic and accurate monitoring of the stacking height of the punched sheets and timely shutdown protection: When the mandrel is moved by the gravity of the stacked material, the sensor quickly detects the displacement and triggers the controller to stop the press, thereby effectively avoiding mold blockage and damage, significantly improving the reliability, safety and production efficiency of the equipment, while reducing the cost of manual intervention and maintenance requirements; 2. The vertical displacement generated by the gravity of the stacked material is efficiently converted into the horizontal movement of the sliding rod. Its rolling friction method significantly reduces transmission resistance and wear of parts, ensuring sensitive response and durability. It enables the sensor to accurately detect minute displacement changes, realize real-time monitoring of the stacked material height and rapid shutdown protection, effectively prevent mold blockage failure, and greatly reduce maintenance requirements, thus comprehensively improving the automation level and operational stability of the equipment. 3. The switch is built into the control slot of the base and forms a precise contact with the sliding rod, creating a highly integrated and protected sensing unit: the control slot provides stable guidance for the sliding rod, ensuring its linear movement and accurate triggering of the switch; at the same time, the sealed structure effectively prevents dust and resists interference, greatly improving the reliability and lifespan of the switch action, enabling the sensor to output a stable signal, and ultimately achieving real-time and accurate detection of the lamination stacking status and automatic equipment shutdown protection, significantly enhancing the overall reliability of the system. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the gravity sensing device.

[0023] Explanation of reference numerals in the attached drawings: 1. Support platform; 11. Sliding groove; 12. Mounting port; 13. Guide port; 14. Anti-detachment groove; 2. Feeding frame; 3. Mandrel; 31. Fixed shaft; 32. Abutting shaft; 321. Abutting surface; 4. Sliding component; 41. Roller; 42. Sliding rod; 421. Trigger rod; 43. Spring; 5. Sensor; 51. Seat; 511. Control groove; 52. Switch; 6. Controller; 7. Guide column; 8. Anti-detachment block. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1 This application will be described in further detail.

[0025] This application discloses a gravity sensing device. (Refer to...) Figure 1 The gravity sensing device includes a support platform 1, a feeding frame 2, a spindle 3, a sliding component 4, a sensor 5, a controller 6, a guide column 7, and an anti-detachment block 8. The sliding component 4 includes a roller 41, a sliding rod 42, and a spring 43. The sensor 5 includes a base 51 and a switch 52.

[0026] The support platform 1 is located below the unloading frame 2. The upper end of the support platform 1 is provided with a sliding groove 11. The mandrel 3 slides in the sliding groove 11. The axis of the mandrel 3 is vertical. The mandrel 3 includes a fixed shaft 31 and an abutment shaft 32. One end of the fixed shaft 31 is fixedly connected to the lower end of the unloading frame 2. The other end of the fixed shaft 31 is coaxially fixedly connected to the abutment shaft 32. The outer wall of the abutment shaft 32 is provided with an abutment surface 321. The diameter of the abutment surface 321 decreases as the height decreases. The maximum diameter of the abutment shaft 32 is equal to the diameter of the fixed shaft 31. The fixed shaft 31 is slidably connected to the groove wall of the sliding groove 11.

[0027] Reference Figure 1 The outer wall of the support platform 1 is provided with an installation port 12, which is connected to the sliding groove 11. The sliding member 4 slides in the installation port 12. The seat body 51 is fixedly connected to the inner wall of the installation port 12. The end of the seat body 51 facing the spindle 3 is provided with a control groove 511. The switch 52 is fixedly connected to the bottom of the control groove 511. The switch 52 is electrically connected to the controller 6. The controller 6 is used to control the start and stop of the stamping die.

[0028] One end of the sliding rod 42 is provided with an assembly groove. The roller 41 is rotatably connected to the groove wall of the assembly groove around its own axis. The rotation axis of the roller 41 is horizontal. The roller 41 abuts against the abutment surface 321. The sliding rod 42 is slidably connected to the groove wall of the control groove 511. The end of the sliding rod 42 away from the roller 41 is fixedly connected to a trigger rod 421. The spring 43 is sleeved on the outer periphery of the trigger rod 421. One end of the spring 43 is connected to the sliding rod 42, and the other end of the spring 43 is connected to the bottom of the control groove 511. The switch 52 is located on the inner periphery of the spring 43. The switch 52 is used for the trigger rod 421 to abut.

[0029] Reference Figure 1 The upper end of the support platform 1 is provided with a guide opening 13. One end of the guide column 7 is fixedly connected to the unloading frame 2, and the guide column 7 is slidably connected to the inner wall of the guide opening 13. The lower end of the support platform 1 is provided with an anti-detachment groove 14, which is connected to the guide opening 13. The diameter of the anti-detachment groove 14 is larger than the diameter of the guide opening 13. The anti-detachment block 8 is fixedly connected to the lower end of the guide column 7, and the anti-detachment block 8 is slidably connected to the groove wall of the anti-detachment groove 14.

[0030] The implementation principle of the gravity sensing device in this application embodiment is as follows: when the height of the stacked blanks exceeds the preset value, the unloading frame 2 moves downward, the roller 41 rotates, the sliding rod 42 slides, the trigger rod 421 abuts against the switch 52, the controller 6 controls the stamping die to stop working, and after the worker removes the blanks, the spring 43 restores its deformation so that the unloading frame 2 is reset, and the anti-detachment block 8 limits the movement of the unloading frame 2.

[0031] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A gravity sensing device, characterized in that: The device includes a support platform (1), a blanking frame (2), a mandrel (3), a sensor (5), and a controller (6). The support platform (1) is located below the blanking frame (2). One end of the mandrel (3) is fixedly connected to the blanking frame (2), and the other end of the mandrel (3) is slidably connected to the support platform (1). The sensor (5) is used to detect the movement of the mandrel (3). The sensor (5) is electrically connected to the controller (6), and the controller (6) is used to control the start and stop of the stamping die.

2. The gravity sensing device according to claim 1, characterized in that: It also includes a slider (4), the upper end of the support platform (1) is provided with a sliding groove (11), the spindle (3) slides in the sliding groove (11), the outer wall of the spindle (3) is provided with an abutment surface (321), the diameter of the abutment surface (321) decreases as the height decreases, the outer wall of the support platform (1) is provided with an installation port (12), the installation port (12) is connected to the sliding groove (11), the slider (4) slides in the installation port (12), the slider (4) abuts against the abutment surface (321), and the sensor (5) is used to detect the sliding of the slider (4).

3. The gravity sensing device according to claim 2, characterized in that: The sliding member (4) includes a roller (41) and a sliding rod (42). One end of the sliding rod (42) is provided with an assembly groove. The roller (41) is rotatably connected to the groove wall of the assembly groove around its own axis. The roller (41) abuts against the abutting surface (321).

4. The gravity sensing device according to claim 3, characterized in that: The sensor (5) includes a base (51) and a switch (52). The base (51) is fixedly connected to the inner wall of the mounting port (12). The end of the base (51) facing the spindle (3) is provided with a control groove (511). The switch (52) is fixedly connected to the bottom of the control groove (511). The sliding rod (42) is slidably connected to the wall of the control groove (511). The sliding rod (42) is used to abut against the switch (52). The switch (52) is electrically connected to the controller (6).

5. The gravity sensing device according to claim 4, characterized in that: The sliding member (4) also includes a spring (43). The end of the sliding rod (42) away from the roller (41) is fixedly connected to a trigger rod (421). The spring (43) is sleeved on the outer periphery of the trigger rod (421). One end of the spring (43) is connected to the sliding rod (42), and the other end of the spring (43) is connected to the bottom of the control groove (511). The switch (52) is located on the inner periphery of the spring (43) and is used for the trigger rod (421) to abut.

6. The gravity sensing device according to claim 2, characterized in that: The mandrel (3) includes a fixed shaft (31) and an abutting shaft (32). One end of the fixed shaft (31) is fixedly connected to the feeding frame (2), and the other end of the fixed shaft (31) is coaxially fixedly connected to the abutting shaft (32). The abutting surface (321) is provided on the outer wall of the abutting shaft (32), and the fixed shaft (31) is slidably connected to the groove wall of the sliding groove (11).

7. The gravity sensing device according to claim 1, characterized in that: It also includes a guide post (7), the support platform (1) is provided with a guide opening (13), one end of the guide post (7) is fixedly connected to the unloading frame (2), and the guide post (7) is slidably connected to the inner wall of the guide opening (13).

8. The gravity sensing device according to claim 7, characterized in that: It also includes an anti-detachment block (8), and the lower end of the support platform (1) is provided with an anti-detachment groove (14). The anti-detachment groove (14) is connected to the guide port (13). The anti-detachment block (8) is fixedly connected to the lower end of the guide column (7). The anti-detachment block (8) is slidably connected to the groove wall of the anti-detachment groove (14).

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