Lifting electromagnet with automatic adsorption function

By equipping the bottom of the lifting electromagnet with a permanent magnet block and a vacuum suction cup, combined with the design of an electric cylinder clamping rod, the problem of insufficient attraction force of the lifting electromagnet when the power is off is solved, and the stable fixation of materials is achieved in the event of power failure, thereby improving production safety and efficiency.

CN223522133UActive Publication Date: 2025-11-07JINGJIANG DONGLEI MOTOR CO LTD
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Patent Information

Application Number
CN202422710525.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-11-07
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing lifting electromagnets lose their magnetism when power is off, making them unable to continue attracting and gripping materials, which poses safety hazards and low production efficiency.

Method used

The design combines an adsorption base with a permanent magnet block and a vacuum suction cup. The permanent magnet block provides additional adsorption force, and an electric cylinder drives a clamping rod to hold the material, ensuring that the material can still be fixed when the power is off.

Benefits of technology

Even in the event of a power outage, the permanent magnet block can still provide additional attraction force to prevent materials from falling, thereby enhancing the attraction capacity of the lifting electromagnet and ensuring production safety and efficiency.

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Abstract

The utility model relates to the technical field of lifting electromagnets, in particular to a lifting electromagnet with an automatic adsorption function, which comprises an adsorption base, a supporting cross beam is fixedly connected to the middle of the adsorption base, supporting seats are fixedly connected to two sides of the supporting cross beam, and electric cylinders are symmetrically arranged on two sides of the supporting seats. The output end of the electric air cylinder is connected with a clamping rod through a connecting shaft. By means of a double-adsorption mechanism, when iron materials are adsorbed by the lifting electromagnet, the materials are further fixed through the clamping rods and the vacuum suction cups, even under the condition of power failure, the permanent magnet blocks can still provide additional adsorption force, it is guaranteed that the iron materials cannot fall off randomly in the lifting and transferring process, and the safety of the iron materials is guaranteed. The adsorption capacity of the lifting electromagnet is effectively enhanced, and production safety and efficiency are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting electromagnet technical field especially relates to a hoisting electromagnet with automatic adsorption function. BACKGROUND

[0002] Hoisting electromagnet is a device with an iron core inside, which is used to attract ferrous materials and then transfer them to other places by using the coil with current. In the process of use, the power supply end needs to be powered to ensure the normal operation of the hoisting electromagnet.

[0003] However, once the existing hoisting electromagnet loses power during operation, it will lose its magnetic properties and cannot continue to adsorb and grasp the materials, resulting in certain safety hazards and inconvenience in actual operation. The authorized announcement No. CN221352488 U discloses a hoisting electromagnet power supply protection device, which sets up a standby power supply on the hoisting electromagnet to power the power supply end. Although the existing technical solution has enhanced the application range of the electromagnet to a certain extent, it still has the problem of relying on external power supply and being unable to maintain the adsorption force after power failure, which leads to the risk of material falling in the case of sudden power failure and affects production safety and efficiency. Therefore, it is necessary to improve this defect and design a hoisting electromagnet that can maintain a certain adsorption force or replace the magnetic force through other mechanisms in the case of power failure, which has become a technical problem to be solved at present. SUMMARY

[0004] The utility model aims at solving the shortcomings in the prior art and provides a hoisting electromagnet with automatic adsorption function.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A hoisting electromagnet with automatic adsorption function, comprising an adsorption base, a supporting cross beam is fixedly connected to the middle part of the adsorption base, supporting seats are fixedly connected to the two sides of the supporting cross beam, electric cylinders are symmetrically arranged on the two sides of the supporting seat, a clamping rod is connected to the output end of the electric cylinder through a connecting shaft, the end of the clamping rod away from the connecting shaft is bent and extends below the adsorption base, a plurality of vacuum suction cups are fixedly connected to the bottom of the adsorption base, and permanent magnet blocks are evenly distributed between the plurality of vacuum suction cups.

[0007] Preferably, a connecting seat is fixedly connected to the middle part of the supporting cross beam, a hoisting electromagnet block is fixedly connected to the connecting seat, a connecting block is fixedly connected to the hoisting electromagnet block, and a chain is connected to the connecting block through a fixed block.

[0008] Preferably, the outer wall of the adsorption base is symmetrically and fixedly connected with two groups of cylinder supports, one group of the cylinder supports is fixedly connected through a supporting rod, the side close to the connecting shaft of the clamping rod is provided with a mounting hole, the end of the supporting rod penetrates through the mounting hole and is connected with the clamping rod, and the end of the supporting rod is fixedly connected with a fixing ring.

[0009] Preferably, the adsorption base and the permanent magnet block are both made of neodymium-iron-boron permanent magnet material.

[0010] The utility model discloses the beneficial effect is:

[0011] By utilizing the hoisting electromagnet bottom equips adsorption base and permanent magnet block, because adsorption base and permanent magnet block are made of permanent magnet material, can also with iron material automatic adsorption under the condition of power failure, utilize vacuum chuck can be closely attached on iron material on adsorption base, utilize electric cylinder and drive the bending part of clamping rod rotation, make the bottom of clamping rod respectively opposite and move, be favorable to clamping and fixing iron material between four clamping rods, utilize double adsorption mechanism can be hoisted electromagnet adsorption while, utilize clamping rod and vacuum chuck and further fixed material, even under the condition of power failure, permanent magnet block still can provide additional adsorption force, ensure that iron material does not drop at will in hoisting and transfer process, effectively enhance the adsorption capacity of hoisting electromagnet, guarantee production safety and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 The total structure schematic diagram of the hoisting electromagnet with automatic adsorption function is provided for the utility model;

[0013] Fig. 2 The adsorption base structure schematic diagram of the hoisting electromagnet with automatic adsorption function is provided for the utility model;

[0014] Fig. 3 The adsorption base structure schematic diagram of the hoisting electromagnet with automatic adsorption function is provided for the utility model;

[0015] In the drawing:

[0016] 1, adsorption base, 2, support crossbeam, 3, support seat, 4, electric cylinder, 5, connecting shaft, 6, clamping rod, 7, vacuum chuck, 8, permanent magnet block, 9, connecting seat, 10, hoisting electromagnet block, 11, connecting block, 12, fixed block, 13, chain, 14, cylinder support, 15, supporting rod, 16, fixing ring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0018] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0019] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0020] Embodiment

[0021] With reference to Figs. 1-3 A lifting electromagnet with automatic adsorption function, comprising an adsorption base 1, a supporting cross beam 2 is fixedly connected to the middle part of the adsorption base 1, supporting seats 3 are fixedly connected to the two sides of the supporting cross beam 2, electric cylinders 4 are symmetrically arranged on the two sides of the supporting seat 3, clamping rods 6 are connected to the output ends of the electric cylinders 4 through connecting shafts 5, one end of the clamping rod 6 away from the connecting shaft 5 is bent and extends below the adsorption base 1, a plurality of vacuum suction cups 7 are fixedly connected to the bottom of the adsorption base 1, and permanent magnet blocks 8 are distributed at equal intervals between the plurality of vacuum suction cups 7.

[0022] A connecting seat 9 is fixedly connected to the middle part of the supporting cross beam 2, a lifting electromagnet block 10 is fixedly connected to the connecting seat 9, a connecting block 11 is fixedly connected to the lifting electromagnet block 10, and a chain 13 is connected to the connecting block 11 through a fixed block 12.

[0023] Two groups of cylinder supports 14 are fixedly connected to the outer wall of the adsorption base 1 in a symmetrical manner, one group of cylinder supports 14 are fixedly connected through supporting rods 15, mounting holes are formed in one side of the clamping rod 6 close to the connecting shaft 5, the end portions of the supporting rods 15 penetrate through the mounting holes and are connected with the clamping rod 6, and fixed rings 16 are fixedly connected to the end portions of the supporting rods 15.

[0024] The materials of the adsorption base 1 and the permanent magnet block 8 are both neodymium iron boron permanent magnet materials.

[0025] When the iron material needs to be lifted, the lifting electromagnet block 10 is first lowered to the top of the iron material surface by the lifting device through the chain 13, at this time, the electric cylinder 4 is started, and when the electric cylinder 4 operates, one end of the clamping rod 6 is rotated to both sides, when the clamping rod 6 is close to the end of the connecting shaft 5, the bending part of the clamping rod 6 is rotated with the support rod 15 as the fulcrum, and the bottom of the clamping rod 6 is respectively opposite to the movement, so that the iron material is clamped between the four clamping rods 6, and the iron material is grabbed;

[0026] When the clamping rod 6 completes the grabbing of the iron material, the connecting seat 9 and the adsorption base 1 are lowered when the chain 13 drives the lifting electromagnet block 10 to descend, until the vacuum suction cup 7 at the bottom of the adsorption base 1 is close to the iron material and tightly adsorbed on the iron material, when the vacuum suction cup 7 is adsorbed on the iron material, the permanent magnet block 8 in between is attached to the iron material, and the permanent magnet block 8 and the vacuum suction cup 7 automatically adsorb the iron material, when energized, the permanent magnet block 8 can provide additional adsorption force, and when de-energized, the permanent magnet block 8 can still maintain the adsorption force on the iron material, after the double fixation of adsorption and grabbing of the iron material, the iron material can be lifted and transferred, preventing the risk of the iron material falling randomly, and enhancing the adsorption capacity.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A lifting electromagnet with automatic adsorption function, comprising an adsorption base (1), characterized in that, The middle part of the adsorption base (1) is fixedly connected with a supporting cross beam (2), the two sides of the supporting cross beam (2) are fixedly connected with support seats (3), the two sides of the support seat (3) are symmetrically provided with electric cylinders (4), the output end of the electric cylinder (4) is connected with a clamping rod (6) through a connecting shaft (5), the end of the clamping rod (6) away from the connecting shaft (5) is bent and extends below the adsorption base (1), the bottom of the adsorption base (1) is fixedly connected with a plurality of vacuum suction cups (7), a plurality of the vacuum suction cups (7) are equidistantly distributed with permanent magnet blocks (8) therebetween.

2. The lifting electromagnet with automatic adsorption function according to claim 1, characterized in that, The middle part of the supporting cross beam (2) is fixedly connected with a connecting seat (9), the connecting seat (9) is fixedly connected with a lifting electromagnet block (10), the lifting electromagnet block (10) is fixedly connected with a connecting block (11), the connecting block (11) is connected with a padlock (13) through a fixed block (12).

3. The lifting electromagnet with automatic adsorption function according to claim 1, characterized in that, The outer wall of the adsorption base (1) is symmetrically fixedly connected with two groups of cylinder seats (14), one group of the cylinder seats (14) are fixedly connected through support rods (15), the side of the clamping rod (6) close to the connecting shaft (5) is provided with a mounting hole, the end of the support rod (15) penetrates through the mounting hole and is connected with the clamping rod (6), and the end of the support rod (15) is fixedly connected with a fixing ring (16).

4. The lifting electromagnet with automatic adsorption function according to claim 1, characterized in that, The materials of the adsorption base (1) and the permanent magnet block (8) are both neodymium-iron-boron permanent magnet materials.

Citation Information

Patent Citations

  • Lifting electromagnet relay protection device

    CN221352488U