CN111320066B - Electromagnetic hoisting disc capable of reducing workpiece shaking - Google Patents
Electromagnetic hoisting disc capable of reducing workpiece shaking Download PDFInfo
- Publication number
- CN111320066B CN111320066B CN202010130641.4A CN202010130641A CN111320066B CN 111320066 B CN111320066 B CN 111320066B CN 202010130641 A CN202010130641 A CN 202010130641A CN 111320066 B CN111320066 B CN 111320066B
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- fixedly connected
- magnetic
- electromagnetic
- conductive
- hoisting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
- B66C1/06—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means electromagnetic
- B66C1/08—Circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
- B66C13/063—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads electrical
Abstract
The invention discloses an electromagnetic hoisting disc for reducing workpiece shaking, which relates to the technical field of hoisting devices and comprises a hoisting seat, wherein a sliding column is fixedly connected in the bottom of the hoisting seat, a tension spring is sleeved on the sliding column, the bottom of the sliding column is slidably connected with the hoisting disc, two ends of the tension spring are respectively fixedly connected to the bottom of the hoisting seat and the top of the hoisting disc, a first conductive bar is fixedly connected in the vertical direction on the outer peripheral side of the sliding column, a sliding block is fixedly connected to the inner side in the middle of the tension spring, when workpieces in a certain scale range are transported, if the mass of the workpieces is small, the workpieces can be clamped and transported by internal current variable liquid solidification after the current variable liquid bag is electrified, the workpieces are supported and wrapped by the solidified current variable liquid bag, no shaking is generated in the transportation process, and the workpieces formed by non-ferromagnetic substances can be transported and prevented from shaking, in this state, a plurality of electromagnetic columns do not need to be started by electrifying, and the energy consumption is reduced.
Description
Technical Field
The invention relates to the technical field of hoisting devices, in particular to an electromagnetic hoisting disc for reducing workpiece shaking.
Background
In the process of processing workpieces in a factory workshop, a hoisting and carrying device is generally needed to transport the workpieces to be processed to different processing stations, but when the workpieces are transported, the workpieces are easy to shake or even fall off along with the transportation movement, the efficiency of transporting the workpieces is affected, and meanwhile, surrounding parts and personnel can be damaged and injured; when workpieces are processed in a workshop, generally, only workpieces with similar scales are processed in one process, and at the moment, a large hoisting device is not needed to completely meet the transportation requirements of the workpieces with different scales.
Disclosure of Invention
The invention provides an electromagnetic hoisting disk for reducing workpiece shaking, and aims to solve the problem that workpieces are easy to shake or even fall off along with transportation and movement in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electromagnetic hoisting disc for reducing workpiece shaking comprises a hoisting seat, wherein a sliding column is fixedly connected in the bottom of the hoisting seat, a tension spring is sleeved on the sliding column, the bottom of the sliding column is connected with the hoisting disc in a sliding mode, two ends of the tension spring are respectively and fixedly connected to the bottom of the hoisting seat and the top of the hoisting disc, a first conductive bar is fixedly connected to the peripheral side of the sliding column in the vertical direction, a sliding block is fixedly connected to the inner side of the middle of the tension spring, one end, away from the tension spring, of the sliding block is rotatably connected with a rotating contact, the peripheral side of the rotating contact is perpendicular to the axial direction of the rotating contact and fixedly connected with a baffle, one side of the baffle abuts against the sliding block, a conductive sheet is fixedly connected;
the lifting disc is characterized in that a plurality of electromagnetic columns are fixedly connected in the bottom of the lifting disc, a water bag is fixedly connected to the bottom of the lifting disc, water is contained in the water bag, an electrorheological fluid bag is fixedly connected to the bottom of the water bag, electrorheological fluid is contained in the electrorheological fluid bag, a plurality of magnetic stripes are fixedly connected to the surface of the bottom of the electrorheological fluid bag, a plurality of guide columns are fixedly connected to the periphery of the bottom of the lifting disc, which is perpendicular to the bottom, guide grooves are formed in the guide columns, a second conductive bar is fixedly connected to the inner sides of the guide grooves, one sides of the guide grooves, which are far away from the second conductive bar, are rotatably connected with a plurality of magnetic needles, one ends of the plurality of magnetic needles are fixedly connected with conductive contacts, and the conductive contacts are electrically connected with the second conductive bar;
the power source is installed in the hoisting disc, the power source is electrically connected with the driving circuit, and the driving circuit is electrically connected with the first conductive bars, the electromagnetic columns and the second conductive bars.
Preferably, the conducting strip is in an initial state, the conducting strip is located on the side, far away from the first conducting strip, of the rotating contact, and the baffle is in an initial state, located at the bottom of the rotating contact, and the side, far away from the conducting strip, of the rotating contact and abutted against the sliding block.
Preferably, a plurality of the electromagnetic columns are uniformly distributed on the hoisting disk.
Preferably, a plurality of magnetic strips are distributed at the bottom of the electrorheological fluid capsule in a circular array, and magnetic south poles of the magnetic strips point to the center of the bottom of the electrorheological fluid capsule.
Preferably, the guide posts are uniformly distributed on the periphery of the bottom of the hoisting disc, the magnetic needles are uniformly distributed on the guide grooves at intervals, the rotating plane of the magnetic needles passes through the central axis of the hoisting disc, and the conductive contacts are all positioned on magnetic south poles of the magnetic needles.
Compared with the prior art, the invention has the following beneficial effects:
the invention aims at the workpieces which are similar in scale and have the maximum diameter slightly smaller than the diameter of the electrorheological fluid sac connected to the hoisting disc, are workpieces consisting of ferromagnetic substances or combined workpieces of the ferromagnetic substances and other substances, and are conveyed;
firstly, the hoisting disc moves downwards until contacting a workpiece to be carried, a power supply is started, a driving circuit is only conducted on a plurality of electromagnetic columns in a driving period at the moment, the plurality of electromagnetic columns generate a magnetic field after being conducted, magnetic attraction is generated on the workpiece, and the workpiece extrudes an electrorheological fluid sac and approaches the bottom of the hoisting disc;
the bottom of the electrorheological fluid capsule extends to the bottom of a workpiece after being extruded, the magnetic south pole direction of a magnetic strip connected to the electrorheological fluid capsule changes to deviate from the center of the bottom of the electrorheological fluid capsule, the magnetic north pole of a magnetic needle rotatably connected to a guide groove on a guide pillar close to the electrorheological fluid capsule is attracted by the magnetic south pole of the magnetic strip to rotate, a conductive contact connected to the magnetic south pole of the magnetic needle is electrically contacted with a second conductive strip in the guide groove, a driving circuit is enabled to sequentially conduct a plurality of electro-magnetic columns and the electrorheological fluid capsule in a driving period, the conduction ratio of the electrorheological fluid capsule in the driving period gradually increases until the conduction ratio reaches a hundred percent, at the moment, the workpiece is gradually wrapped by the electrorheological fluid capsule until only the electrorheological fluid capsule is conducted, and the workpiece is conveniently clamped and supported after the internal current of the electrorheological fluid capsule is solidified;
if the electro-rheological fluid bag is solidified by the internal current changing liquid after being electrified, the conveying work is completed in the state, the workpiece is wrapped by the solidified electro-rheological fluid bag, the workpiece is prevented from shaking, and the workpiece formed by the non-ferromagnetic substance can be conveyed and prevented from shaking in the state;
if the electrorheological fluid bag is not enough to clip the work piece after the circular telegram solidification, the work piece then moves down under the action of gravity, tension spring receives the total pulling force of electromagnetic disk and work piece to reduce this moment, tension spring contracts, the rotating contact rebound on the last slider of tension spring, rotating contact receives the friction of first busbar and takes place to rotate and make the conducting strip on the rotating contact roll out and with first busbar electrical contact, make drive circuit switch on a plurality of electromagnetism posts and electrorheological fluid bags simultaneously in a drive cycle, the electromagnetism post of a plurality of circular telegrams forms main appeal to the work piece this moment, and the electrorheological fluid bag of circular telegram solidification forms the support to work piece week side, avoid the work piece to take place to rock.
In conclusion, when workpieces in a certain scale range are conveyed, if the mass of the workpieces is small, the workpieces can be clamped and conveyed by the internal current-changing liquid solidification after the current-changing liquid bags are electrified, the workpieces are supported and wrapped by the solidified current-changing liquid bags, no shaking is generated in the conveying process, the workpieces made of non-ferromagnetic substances can be conveyed and prevented from shaking, and a plurality of electromagnetic columns do not need to be electrified to start in the state, so that the energy consumption is reduced; if the workpiece has larger mass, the electrified electromagnetic column forms main attraction force on the workpiece, and the electrified and solidified electro-rheological fluid bag forms support on the peripheral side of the workpiece, so that the workpiece is prevented from shaking when being conveyed.
Drawings
FIG. 1 is a schematic diagram of an inoperative state of an electromagnetic lifting disk for reducing workpiece wobble according to the present invention;
FIG. 2 is a cross-sectional view A-A of the electromagnetic lifting disk of the present invention illustrating a reduction in workpiece wobble;
FIG. 3 is an enlarged view of portion D of FIG. 2 of an electromagnetic lifting disk for reducing workpiece wobble in accordance with the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 1 of an electromagnetic lifting disk for reducing workpiece wobble in accordance with the present invention;
FIG. 5 is a schematic view of the electromagnetic hoist disk of FIG. 1 with the direction C, i.e., the bottom view, showing the electromagnetic hoist disk for reducing workpiece wobble according to the present invention;
FIG. 6 is a structural diagram of an operating state of an electromagnetic lifting disk for reducing workpiece wobble according to the present invention;
fig. 7 is an enlarged schematic view of part E of fig. 6 of an electromagnetic lifting disk for reducing workpiece wobble according to the present invention.
In the figure: the device comprises a lifting seat 1, a sliding column 2, a first conductive strip 21, a tension spring 3, a sliding block 31, a rotating contact 32, a baffle 321, a conducting strip 322, an electromagnetic disc 4, a power supply 5, a driving circuit 51, an electromagnetic column 6, a water bag 7, an electrorheological fluid bag 8, a magnetic strip 81, a guide column 9, a guide groove 91, a second conductive strip 92, a magnetic needle 93 and a conductive contact 931.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, an electromagnetic hoisting disk for reducing workpiece shake comprises a hoisting base 1, a sliding column 2 is fixedly connected in the bottom of the hoisting base 1, a tension spring 3 is sleeved on the sliding column 2, the bottom of the sliding column is slidably connected with an electromagnetic disk 4, two ends of the tension spring 3 are respectively and fixedly connected to the bottom of the hoisting base 1 and the top of the electromagnetic disk 4, and the tension spring 3 forms total tension for the electromagnetic disk 4 and a workpiece lifted by the electromagnetic disk 4.
A first conductive strip 21 is fixedly connected with the periphery of the sliding column 2 in the vertical direction, a sliding block 31 is fixedly connected with the inner side of the middle part of the tension spring 3, one end of the sliding block 31 far away from the tension spring 3 is rotatably connected with a rotating contact 32, a baffle 321 is fixedly connected with the periphery of the rotating contact 32 in the direction perpendicular to the self axial direction, one side of the baffle 321 is abutted against the sliding block 31, a conductive strip 322 is fixedly connected with the periphery of the rotating contact 32 in the direction perpendicular to the baffle 321, the conductive strip 322 is electrically contacted with the first conductive strip 21,
the conductive sheet 322 is initially located on the rotating contact 32 and away from the first conductive strip 21, the baffle 321 is initially located at the bottom of the rotating contact 32 and away from the conductive sheet 322 and abuts against the sliding block 31, when the tension spring 3 extends, that is, when the electromagnetic disc 4 pulls up the workpiece, the rotating contact 32 slides on the first conductive strip 21 without the conductive sheet 322 side under the blocking of the baffle 321, and when the tension spring 3 contracts, the rotating contact 32 rotates to electrically connect the conductive sheet 322 with the first conductive strip 21.
A plurality of electromagnetism posts 6 of fixedly connected with in the 4 bottoms of electromagnetism dish, a plurality of electromagnetism posts 6 are evenly distributed on electromagnetism dish 4, make magnetic attraction evenly distributed.
4 bottom fixedly connected with water pocket 7 of electromagnetism dish, contain water in the water pocket 7, 7 bottom fixedly connected with electro-rheological fluids bags 8 of water pocket, water pocket 7 forms certain pressure to electro-rheological fluids bags 8 to provide the sufficient deformation space of electro-rheological fluids bags 8.
The electrorheological fluid capsule 8 is filled with electrorheological fluid which is a suspension under normal conditions and can generate liquid-solid conversion under the action of an electric field.
8 bottom fixed surface of electro rheological fluid bag is connected with a plurality of magnetic stripes 81, and a plurality of magnetic stripes 81 are the circle array and distribute in 8 bottoms of electro rheological fluid bag, and the south pole of magnetism all points to 8 bottoms of electro rheological fluid bag centers.
The electromagnetic disc 4 is fixedly connected with a plurality of guide pillars 9 perpendicular to the bottom periphery of the bottom surface, a guide groove 91 is formed in each guide pillar 9, a second conductive strip 92 is fixedly connected to the inner side of the guide groove 91, a plurality of magnetic needles 93 are rotatably connected to the side of the guide groove 91 away from the second conductive strip 92, a conductive contact 931 is fixedly connected to one end of each magnetic needle 93, the conductive contact 931 is electrically connected with the second conductive strip 92,
a plurality of guide pillars 9 evenly distributed are on 4 bottom week sides of electromagnetism dish, a plurality of even interval distribution of magnetic needle 93 are on guide slot 91 and the place rotation plane crosses the 4 central axis of electromagnetism dish, electrically conductive contact 931 all is located the magnetic south pole of magnetic needle 93, magnetic needle 93 receives magnetic attraction of magnetic stripe 81, initial state magnetic needle 93 magnetic south pole points to electrorheological fluids bag 8, take place reverse distortion in electrorheological fluids bag 8 bottom when the work piece bottom extends in electrorheological fluids bag 8 bottom, magnetic stripe 81 magnetic south pole deviates from electrorheological fluids bag 8 center, magnetic needle 93 magnetic south pole is repelled and then takes place the rotation and make electrically conductive contact 931 and second conducting strip 92 electrical conduction this moment.
Install power 5 in the electromagnetism dish 4, power 5 electric connection has drive circuit 51, and drive circuit 51 and first conducting strip 21, a plurality of electromagnetism post 6 and the equal electric connection of a plurality of second conducting strip 92.
The driving circuit 51 comprises three driving states, namely an initial state, a half-load state and a full-load state, and after the power supply 5 is started, the driving circuit 51 is in the initial state, namely only the plurality of electromagnetic columns 6 are conducted in one driving period;
after the conductive contact 931 is electrically connected to the second conductive bar 92, the driving circuit 51 is switched to a half-load state, that is, the plurality of electromagnetic columns 6 and the electro-rheological fluid capsules 8 are sequentially connected in a driving period, and the conduction ratio of the electro-rheological fluid capsules 8 gradually increases in the driving period until the percent conduction ratio;
after the conductive sheet 322 is electrically connected to the first conductive strip 21, the driving circuit 51 is switched to a full load state, i.e. the plurality of electromagnetic pillars 6 and the ERF capsules 8 are simultaneously conducted in one driving cycle.
The principles of the present invention are now described as follows:
the invention aims at the workpieces which are similar in scale and the maximum diameter of which is slightly smaller than the diameter of the electrorheological fluid sac 8 connected with the electromagnetic disc 4, and the workpieces are made of ferromagnetic substances or the combined workpieces of the ferromagnetic substances and other substances, and when the workpieces are conveyed;
firstly, the hoisting seat 1 and the electromagnetic disc 4 move downwards until contacting a workpiece to be carried, the power supply 5 is started, the driving circuit 51 is in an initial state at the moment, namely, only the plurality of electromagnetic columns 6 are conducted in one driving period, the plurality of electromagnetic columns 6 generate a magnetic field and generate magnetic attraction to the workpiece after being conducted, and the workpiece extrudes the electro-rheological fluid bag 8 and approaches the bottom of the electromagnetic disc 4;
the bottom of the electrorheological fluid bag 8 is extruded by a workpiece and extends to the bottom of the workpiece under the support of the water bag 7, the direction of a magnetic south pole of a magnetic strip 81 connected on the electrorheological fluid bag 8 changes to deviate from the center of the bottom of the electrorheological fluid bag 8, a magnetic north pole of a magnetic needle 93 which is rotatably connected with the magnetic south pole on a guide post 9 close to the magnetic south pole is attracted by the magnetic south pole of the magnetic strip 81 to rotate, a conductive contact 931 connected with the magnetic south pole of the magnetic needle 93 is electrically contacted with a second conductive strip 92 in the guide slot 91, and the driving circuit 51 is turned to a half-load state from an initial state;
the driving circuit 51 is in a half-load state, the plurality of electro-magnetic columns 6 and the electro-rheological fluid capsules 8 are sequentially conducted in one driving period, the conducting ratio of the electro-rheological fluid capsules 8 in the driving period gradually increases until the percent conducting ratio, at the moment, the workpieces are gradually wrapped by the electro-rheological fluid capsules 8 until only the electro-rheological fluid capsules 8 are conducted, the workpieces are wrapped by more electro-rheological fluid capsules 8 compared with the driving circuit 51 just after beginning to change, and the electro-rheological fluid capsules 8 are convenient to clamp and support the workpieces after internal current is subjected to variable liquid solidification after being electrified;
if the electro-rheological fluid bag 8 is solidified by the internal electric current after being electrified, the conveying work is completed in the state, the workpiece is wrapped by the solidified electro-rheological fluid bag 8 at the moment, the workpiece is prevented from shaking, the workpiece formed by non-ferromagnetic substances can be conveyed and prevented from shaking in the state, the plurality of electromagnetic columns 6 do not need to be electrified in the state, and the energy consumption is reduced;
if the electro-rheological fluid bag 8 is not enough to clamp the workpiece after being electrified and solidified, the workpiece moves downwards under the action of gravity, at the moment, the total tension of the tension spring 3 borne by the electromagnetic disc 4 and the workpiece is reduced, the tension spring 3 contracts, the rotating contact 32 on the sliding block 31 on the tension spring 3 moves upwards, the rotating contact 32 rotates due to the friction of the first conductive strip 21, so that the conducting strip 322 on the rotating contact 32 rotates out and is electrically contacted with the first conductive strip 21, and the driving circuit 51 is switched from a half-load state to a full-load state;
the driving circuit 51 is in a full load state, and the plurality of electromagnetic columns 6 and the electro-rheological fluid bags 8 are simultaneously conducted in one driving period, at the moment, the plurality of electrified electromagnetic columns 6 form main attraction force on the workpiece, and the electro-rheological fluid bags 8 which are electrified and solidified form support on the peripheral side of the workpiece, so that the workpiece is prevented from shaking when being conveyed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. An electromagnetic hoisting disc capable of reducing workpiece shaking comprises a hoisting seat (1) and is characterized in that a sliding column (2) is fixedly connected in the bottom of the hoisting seat (1), a tension spring (3) is sleeved on the sliding column (2), the bottom of the sliding column is connected with an electromagnetic disc (4) in a sliding mode, two ends of the tension spring (3) are fixedly connected to the bottom of the hoisting seat (1) and the top of the electromagnetic disc (4) respectively, a first conductive bar (21) is fixedly connected to the outer peripheral side of the sliding column (2) in the vertical direction, a sliding block (31) is fixedly connected to the inner side of the middle of the tension spring (3), one end, far away from the tension spring (3), of the sliding block (31) is rotatably connected with a rotating contact (32), a baffle (321) is fixedly connected to the outer peripheral side of the rotating contact (32) in a direction perpendicular to the axial direction of the rotating contact, one side of the baffle (321) abuts against the sliding block (31), one side of the outer peripheral side of the rotating contact (32) perpendicular to the direction of the baffle (321) is fixedly connected with a conducting strip (322);
a plurality of electromagnetic columns (6) are fixedly connected in the bottom of the electromagnetic disc (4), a water bag (7) is fixedly connected at the bottom of the electromagnetic disc (4), the water sac (7) is filled with water, the bottom of the water sac (7) is fixedly connected with an electrorheological fluid sac (8), electrorheological fluid is contained in the electrorheological fluid sac (8), the bottom surface of the electrorheological fluid sac (8) is fixedly connected with a plurality of magnetic strips (81), the electromagnetic disc (4) is fixedly connected with a plurality of guide posts (9) which are vertical to the periphery of the bottom surface, guide grooves (91) are formed in the guide posts (9), a second conductive strip (92) is fixedly connected to the inner side of the guide groove (91), a plurality of magnetic pins (93) are rotatably connected to one side, away from the second conductive strip (92), of the guide groove (91), a conductive contact (931) is fixedly connected to one end of each of the plurality of magnetic pins (93), and the conductive contact (931) is electrically connected with the second conductive strip (92);
a power supply (5) is installed in the electromagnetic disc (4), the power supply (5) is electrically connected with a driving circuit (51), and the driving circuit (51) is electrically connected with the first conductive bar (21), the plurality of electromagnetic columns (6) and the plurality of second conductive bars (92); the guide posts (9) are uniformly distributed on the periphery of the bottom of the electromagnetic disc (4), the magnetic needles (93) are uniformly distributed on the guide groove (91) at intervals and on the rotation plane passing through the central axis of the electromagnetic disc (4), and the conductive contacts (931) are all positioned on the magnetic south poles of the magnetic needles (93); the magnetic strips (81) are distributed at the bottom of the electro-rheological fluid capsule (8) in a circular array, and the magnetic south poles point to the center of the bottom of the electro-rheological fluid capsule (8);
the bottom of the electrorheological fluid bag (8) is extruded by a workpiece and is partially extended to the bottom of the workpiece under the support of the water bag (7), the magnetic south pole direction of a magnetic strip (81) connected to the electrorheological fluid bag (8) changes to deviate from the center of the bottom of the electrorheological fluid bag (8), the magnetic north pole of a magnetic needle (93) rotatably connected to the guide groove (91) on the guide pillar (9) close to the electrorheological fluid bag is attracted by the magnetic south pole of the magnetic strip (81) to rotate, and a conductive contact (931) connected to the magnetic south pole of the magnetic needle (93) is electrically contacted with a second conductive strip (92) in the guide groove (91), so that the driving circuit (51) is turned to a half-load state from an initial state.
2. An electromagnetic lifting disk for reducing workpiece wobble as claimed in claim 1, wherein the conductive plate (322) is initially located on the side of the rotary contact (32) away from the first conductive strip (21), and the baffle (321) is initially located at the bottom of the rotary contact (32) and abuts against the sliding block (31) at the side away from the conductive plate (322).
3. An electromagnetic lifting disk for reducing workpiece wobble as claimed in claim 1, wherein said plurality of electromagnetic columns (6) are uniformly distributed on the electromagnetic disk (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010130641.4A CN111320066B (en) | 2020-02-28 | 2020-02-28 | Electromagnetic hoisting disc capable of reducing workpiece shaking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130641.4A CN111320066B (en) | 2020-02-28 | 2020-02-28 | Electromagnetic hoisting disc capable of reducing workpiece shaking |
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| Publication Number | Publication Date |
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| CN111320066A CN111320066A (en) | 2020-06-23 |
| CN111320066B true CN111320066B (en) | 2021-09-07 |
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| CN202010130641.4A Expired - Fee Related CN111320066B (en) | 2020-02-28 | 2020-02-28 | Electromagnetic hoisting disc capable of reducing workpiece shaking |
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| CN112775277B (en) * | 2021-01-24 | 2022-08-09 | 武汉方鼎汽车部件制造有限公司 | High polymer plate punching device for producing automobile rear axle housing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522402Y (en) * | 2002-02-05 | 2002-11-27 | 抚顺隆基磁电设备有限公司 | Super-high-temp. lifting electromagnet |
| CN104030149A (en) * | 2013-03-09 | 2014-09-10 | 杨祖成 | Lifting electromagnetic disk |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010058768A1 (en) * | 2008-11-18 | 2010-05-27 | 住友重機械工業株式会社 | Working machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522402Y (en) * | 2002-02-05 | 2002-11-27 | 抚顺隆基磁电设备有限公司 | Super-high-temp. lifting electromagnet |
| CN104030149A (en) * | 2013-03-09 | 2014-09-10 | 杨祖成 | Lifting electromagnetic disk |
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| CN111320066A (en) | 2020-06-23 |
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