CN112693884A - Electromagnetic vibration sucker and vacuum adsorption material taking method for battery cell pole piece - Google Patents
Electromagnetic vibration sucker and vacuum adsorption material taking method for battery cell pole piece Download PDFInfo
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- CN112693884A CN112693884A CN202011474591.8A CN202011474591A CN112693884A CN 112693884 A CN112693884 A CN 112693884A CN 202011474591 A CN202011474591 A CN 202011474591A CN 112693884 A CN112693884 A CN 112693884A
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- armature
- vacuum
- chuck
- electromagnetic vibration
- battery cell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
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Abstract
The invention provides an electromagnetic vibration sucker, which comprises a coil fixing seat, wherein a channel is arranged in the coil fixing seat, a first end is provided with a fixed magnetic conduction seat, the magnetic conduction seat corresponds to an electromagnetic coil surrounding the outside of the coil fixing seat, a movable armature is arranged in the channel, the armature is connected with the magnetic conduction seat through an elastic body, the magnetic conduction seat and the armature are both provided with through holes, a second end of the coil fixing seat is provided with a vacuum sucker, the vacuum sucker is communicated with the through holes of the armature, and the through holes of the magnetic conduction seat are communicated with a vacuum machine. The invention adsorbs the battery cell pole pieces through the vacuum effect, and the electromagnetic coil and the magnetizer which are powered on and off enable the armature to generate high-frequency vibration, so that a plurality of battery cell pole pieces adsorbed at the bottom end of the sucking disc are shaken off, only one battery cell pole piece directly attached to the adsorption surface is reserved, the correct stacking of the pole pieces is ensured, the overlapping of the pole pieces is avoided, the rejection rate is reduced, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of vacuum chucks, in particular to an electromagnetic vibration chuck and a vacuum adsorption material taking method for a battery cell pole piece.
Background
Vacuum chucks, which are one of the vacuum equipment actuators, are the most common method for grasping a product by using a vacuum chuck, and the product is adsorbed on the surface of the chuck by the action of vacuum. The vacuum sucker has various varieties, the sucker made of rubber can be operated at high temperature, and the sucker made of silicon rubber is very suitable for grabbing products with rough surfaces; suction cups made of polyurethane are very durable. In actual production, if oil resistance is required for the suction cup, it is conceivable to manufacture the suction cup using a material such as polyurethane, nitrile rubber, or a vinyl-containing polymer.
The battery needs to transport the electrode chip in a tray in the production process, and the electrode chip on the assembly line is adsorbed by the vacuum chuck and then transferred to the material tray. Because the weight of the electrode chips is not large, the electrode chips are easy to be attached together when being stacked and stored, and after the electrode chips on the uppermost layer are adsorbed by the vacuum chuck, the electrode chips are easy to be simultaneously lifted in the extraction process, so that the accurate corresponding flow of the electrode chips and the material tray is hindered, the tray loading efficiency is influenced, and meanwhile, the scattering waste of the electrode chips is easy to cause.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a vacuum chuck with an electromagnetic vibration effect, which can ensure that products such as a single battery cell pole piece and the like are only clamped and adsorbed at one time, so that a charging tray can accurately correspond to the battery cell pole piece.
In order to achieve the purpose, the invention provides an electromagnetic vibration sucker which comprises a coil fixing seat, wherein a channel is arranged in the coil fixing seat, a fixed magnetic conduction seat is arranged at the first end of the coil fixing seat, the magnetic conduction seat corresponds to an electromagnetic coil surrounding the outside of the coil fixing seat, a movable armature is arranged in the channel, the armature is connected with the magnetic conduction seat through an elastic body, through holes are formed in the magnetic conduction seat and the armature, a vacuum sucker is arranged at the second end of the coil fixing seat, the vacuum sucker is communicated with the through holes of the armature, and the through holes of the magnetic conduction seat are communicated with a vacuum machine.
Furthermore, the magnetic conductive seat is T-shaped and comprises an end cover part and a magnetic conductor, the end cover part covers the opening of the channel at the first end of the end cover part, and the magnetic conductor is inserted into the channel.
Further, the elastic body is a spring, a first end of the spring is in contact with the magnetizer, and a second end of the spring is in contact with the armature.
Furthermore, first step structures are arranged in the through holes of the magnetizer and the armature, and the end parts of the springs are inserted into the corresponding through holes and limited by the first step structures.
Furthermore, a groove and a convex tip with corresponding shapes are respectively arranged at the second end of the magnetic conductor and the first end of the armature, and the side walls of the groove and the convex tip are conical surfaces.
Furthermore, an end part guide part is arranged in a second end channel of the coil fixing seat, the end part guide part corresponds to the buffer sleeve which is sleeved on the second end of the armature, and a second step structure is further arranged on the outer side wall of the armature and corresponds to the second step structure in the channel.
Furthermore, a buffer ring is arranged between the end cover part and the coil fixing seat, a first sealing ring is arranged between the magnetizer and the channel, a second sealing ring is arranged between the armature and the middle part of the channel, a limiting check ring is arranged at the end part of the channel, and a third sealing ring is arranged at the joint of the vacuum chuck and the armature.
Furthermore, a hexagonal nut is sleeved outside the second end of the coil fixing seat.
Further, vacuum chuck is inside to be provided with a flat air chamber, the one end of air chamber with the through-hole intercommunication of armature, the second end sets up a plurality of capillary air flues, capillary air flue intercommunication on vacuum chuck's the adsorption plane, the adsorption plane indent sets up.
The invention also provides a battery pole piece vacuum adsorption material taking method, which specifically comprises the following steps:
the vacuum machine is started to vacuumize, so that the vacuum sucker adsorbs the battery cell pole piece, the electromagnetic coil is electrified, and the armature moves upwards to lift the battery cell pole piece;
the electromagnetic coil is switched on and off, so that the armature vibrates at high frequency, the amplitude range is 0.5-1 mm, and the vibration lasts for several seconds;
the electromagnetic coil is continuously electrified instead of on-off operation, the electromagnetic vibration sucker integrally moves to a discharging position, the electromagnetic coil is disconnected, and the vacuum machine applies positive pressure to release the battery cell pole piece.
The scheme of the invention has the following beneficial effects:
the electromagnetic vibration sucker can adsorb the battery cell pole pieces under the vacuum action, and the armature is subjected to high-frequency vibration by the electromagnetic coil and the magnetizer which are powered on and off, so that the battery cell pole pieces adsorbed at the bottom end of the sucker are shaken off, only one battery cell pole piece directly attached to the adsorption surface is reserved, correct pole piece stacking is ensured, pole pieces are prevented from being overlapped, the rejection rate is reduced, the production efficiency is improved, the production cost is reduced, meanwhile, the electromagnetic vibration sucker is also applied to the processes of battery loading and material distribution, multiple battery cell heavy disks are prevented from being adsorbed, the accuracy and the production efficiency of loading and distribution of a production line are improved, the waste is reduced, and the production cost is reduced.
Drawings
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
fig. 2 is a three-dimensional view of the profile of the present invention.
[ description of reference ]
1-coil fixing seat; 2-an electromagnetic coil; 3-end cap section; 4-a magnetizer; 5-an armature; 6-vacuum chuck; 7-a spring; 8-a first step structure; 9-a groove; 10-convex tip; 11-end guide; 12-a buffer sleeve; 13-a second stepped structure; 14-a buffer ring; 15-a first sealing ring; 16-a second sealing ring; 17-a limit check ring; 18-a third seal ring; 19-hexagonal nut; 20-air chamber; 21-capillary air passage; 22-adsorption surface.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
as shown in fig. 1 and 2, embodiment 1 of the present invention provides an electromagnetic vibration chuck, which includes a coil fixing base 1, and an electromagnetic coil 2 wound around a first end of the coil fixing base 1 for a plurality of turns. The coil fixing seat 1 is internally provided with a channel, the first end of the coil fixing seat is provided with a fixed magnetic conducting seat, wherein the magnetic conducting seat is T-shaped and comprises an end cover part 3 and a magnetic conductor 4, the end cover part 3 is hermetically covered at the channel opening of the first end of the coil fixing seat 1, and the magnetic conductor 4 is inserted into the channel and corresponds to the electromagnetic coil 2 which is surrounded outside the coil fixing seat 1. The channel is internally and movably provided with an armature 5, the armature 5 is connected with the magnetizer 4 through an elastic body, when the electromagnetic coil 2 is electrified, the magnetizer 4 generates magnetism to form magnetic attraction force on the armature 5, so that the armature 5 moves towards the magnetizer 4 and compresses the elastic body, and the armature 5 is far away from the magnetizer 4 under the action of the elastic body after power failure. The magnetic conductive seat and the armature 5 are both provided with through holes, and an air passage is formed through the through holes and a passage between the magnetic conductive body 4 and the armature 5. The second end of coil fixing base 1 sets up vacuum chuck 6, and vacuum chuck 6 and armature 5's through-hole switch-on, and the through-hole of magnetic conduction seat communicates a vacuum machine simultaneously, is provided negative pressure or malleation by the vacuum machine, and vacuum chuck 6 produces negative pressure or malleation through above-mentioned gas circuit, adsorbs or blows off electric core pole piece.
Because the weight of the battery cell pole pieces is not large, the battery cell pole pieces are easy to be attached together when being stacked and stored, and after the battery cell pole pieces on the uppermost layer are adsorbed by the vacuum chuck 6, a plurality of battery cell pole pieces are easy to be simultaneously lifted in the extraction process, so that the accurate corresponding tray loading process of the battery cell pole pieces and the tray is hindered. Therefore, in this embodiment, an electromagnetic structure is provided, and after the vacuum chuck 6 adsorbs multiple cell pole pieces simultaneously, the electromagnetic coil 2 is subjected to power-on/power-off cycle operation, so that the armature 5 generates high-frequency vibration under the action of the magnetizer 4 and the elastomer, and the cell pole pieces on the lower layer are vibrated down, and only the state that a single cell pole piece is directly adsorbed by the vacuum chuck 6 is maintained. During actual operation, the amplitude and the frequency are controlled, and only the uppermost layer of the battery cell pole piece can be ensured not to fall off, so that the technical purpose of the invention is achieved.
In this embodiment, the elastic body is a spring 7, and a first end of the spring 7 is in contact with the magnetic conductor 4 and a second end is in contact with the armature 5. In order to make the end part of the spring 7 contact more stably, the first step structures 8 are arranged in the through holes of the magnetizer 4 and the armature 5, the end part of the spring 7 is inserted into the through holes and limited by the first step structures 8, so that the magnetizer 4 and the armature 5 are applied with elastic force through reaction force, and the connection is stable. In other embodiments, the elastomer may also be a resilient washer or the like.
As a further improvement, in the present embodiment, the second end of the magnetizer 4 and the first end of the armature 5 are respectively provided with a concave groove 9 and a convex tip 10 with corresponding shapes, and the side walls of the concave groove 9 and the convex tip 10 are respectively an inner conical surface and an outer conical surface which are matched with each other. When the armature 5 moves towards the magnetizer 4 along the channel, the convex tip 10 at the first end of the armature enters the groove 9 at the second end of the magnetizer 4, the coaxiality is ensured by the mutual matching of the conical surfaces, and the stability can be improved, the noise can be reduced and the service life can be prolonged during high-frequency vibration.
As a further improvement, in the present embodiment, an end guide 11 is further disposed in the second end passage of the coil fixing seat 1, the end guide 11 corresponds to a buffer sleeve 12 sleeved on the second end of the armature 5, and the buffer sleeve 12 is in elastic contact with a side wall of the end guide 11 on one hand, which can also improve the stability of the armature 5 during displacement and high-frequency vibration. In addition, when the armature 5 displaces towards the second end of the coil fixing seat 1, the buffer sleeve 12 can relieve hard collision between the end part of the armature 5 and the coil fixing seat 1 and the end part guide piece 11, and the structure is protected. In addition, the outer side wall of the armature 5 is also provided with a second step structure 13, corresponding to the second step structure 13 inside the channel, limiting the maximum displacement of the armature 5 towards the electromagnet 4, preventing impacts of the end structure and excessive compression of the spring 7.
In this embodiment, a buffer ring 14 is disposed between the end cover portion 3 and the coil fixing seat 1, a first seal ring 15 is disposed between the magnetizer 4 and the passage to form a seal between the magnetizer and the coil fixing seat 1, a second seal ring 16 is disposed between the armature 5 and the middle portion of the passage to form a seal between the armature 5 and the coil fixing seat 1, a limit check ring 17 is disposed at an end portion of the passage, and a third seal ring 18 is disposed at a connection portion of the vacuum chuck 6 and the armature 5, so that a complete sealed air passage is formed between the inside of the vacuum chuck 6 and the through hole of the armature 5, the passage between the armature 5 and the magnetizer, the through hole of the magnetizer.
In addition, in this embodiment, the hexagonal nut 19 is sleeved outside the second end of the coil fixing seat 1, so that the connection of the second end of the coil fixing seat 1, the end guide 11 and the armature 5 can be more stable in the process of high-frequency vibration of the armature 5, and the radial vibration can be reduced.
In this embodiment, a flat air chamber 20 is arranged inside the vacuum chuck 6, one end of the air chamber 20 is communicated with the through hole of the armature 5, the second end is provided with a plurality of capillary air passages 21, the capillary air passages 21 are communicated with the adsorption surface 22 of the vacuum chuck 6, so that the adsorption surface 22 uniformly generates negative pressure to adsorb the cell pole piece. In addition, the adsorption surface 22 is provided with a series of pores, so that adsorption stress is uniformly distributed, and a traceless effect can be formed when the adsorption surface adsorbs the battery cell pole piece.
Example 2:
the embodiment 2 of the invention provides a battery pole piece vacuum adsorption material taking method, which comprises the following steps:
the vacuum machine is started to vacuumize, so that the vacuum sucker 6 adsorbs the battery cell pole piece, the electromagnetic coil 2 is electrified, the armature 5 moves upwards to lift the battery cell pole piece, and the lifted battery cell pole piece possibly comprises a plurality of attached battery cell pole pieces;
the electromagnetic coil 2 is switched on and off, so that the armature 5 vibrates at high frequency, the amplitude range is 0.5-1 mm, the vibration lasts for several seconds, only the battery cell pole piece directly adsorbed by the vacuum chuck 6 is ensured to be reserved, and the rest parts are shaken off under the vibration action;
the continuous electrification is changed into the continuous electrification from the on-off operation of the electromagnetic coil 2, the sucker integrally moves to the discharging position, the electromagnetic coil 2 is disconnected, the positive pressure is added by the vacuum machine, the battery cell pole pieces are blown off and released, and the operation of accurately grabbing and carrying a single battery cell pole piece in stacking is completed.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides an electromagnetic vibration sucking disc, its characterized in that, includes the coil fixing base, set up the passageway in the coil fixing base, first end is provided with fixed magnetic conductive seat, magnetic conductive seat with the outside solenoid that encircles of coil fixing base is corresponding, set up movable armature in the passageway, armature with connect through the elastomer between the magnetic conductive seat, magnetic conductive seat with armature all is provided with the through-hole, the second end of coil fixing base sets up vacuum chuck, vacuum chuck with the through-hole switch-on of armature, the through-hole intercommunication vacuum machine of magnetic conductive seat.
2. The electromagnetic vibration chuck as set forth in claim 1, wherein said magnetic conductive seat is T-shaped and includes an end cap portion and a magnetic conductor, said end cap portion being covered at a passage opening of a first end of said end cap portion, said magnetic conductor being inserted into said passage.
3. An electromagnetic vibration chuck according to claim 2 wherein said elastomer is a spring, said spring having a first end in contact with said magnetizer and a second end in contact with said armature.
4. The electromagnetic vibration chuck as claimed in claim 3, wherein the through holes of the magnetizer and the armature are respectively provided with a first step structure, and the end of the spring is inserted into the corresponding through hole and limited by the first step structure.
5. The electromagnetic vibration chuck as claimed in claim 4, wherein the second end of the magnetic conductor and the first end of the armature are respectively provided with a groove and a convex tip with corresponding shapes, and the side walls of the groove and the convex tip are both conical surfaces.
6. The electromagnetic vibration chuck as claimed in claim 1, wherein an end guide is disposed in the second end channel of the coil fixing seat, the end guide corresponds to the buffer sleeve disposed on the second end sleeve of the armature, and the outer sidewall of the armature further has a second step structure corresponding to the second step structure inside the channel.
7. The electromagnetic vibration chuck as claimed in claim 2, wherein a buffer ring is disposed between the end cap portion and the coil fixing seat, a first seal ring is disposed between the magnetizer and the channel, a second seal ring is disposed between the armature and the middle portion of the channel, a limit retaining ring is disposed at an end portion of the channel, and a third seal ring is disposed at a connection position of the vacuum chuck and the armature.
8. The electromagnetic vibration chuck as set forth in claim 1, wherein a hexagonal nut is externally fitted over the second end of the coil holder.
9. The electromagnetic vibration chuck as claimed in claim 1, wherein a flat air chamber is disposed inside the vacuum chuck, one end of the air chamber is connected to the through hole of the armature, and the second end of the air chamber is provided with a plurality of capillary air passages, the capillary air passages are connected to the suction surface of the vacuum chuck, and the suction surface is recessed.
10. A method for taking materials of battery pole pieces by vacuum adsorption is applied to the electromagnetic vibration sucker as in any one of claims 1 to 9, and is characterized by comprising the following steps:
the vacuum machine is started to vacuumize, so that the vacuum sucker adsorbs the battery cell pole piece, the electromagnetic coil is electrified, and the armature moves upwards to lift the battery cell pole piece;
the electromagnetic coil is switched on and off, so that the armature vibrates at high frequency, the amplitude range is 0.5-1 mm, and the vibration lasts for several seconds;
the electromagnetic coil is continuously electrified instead of on-off operation, the electromagnetic vibration sucker integrally moves to a discharging position, the electromagnetic coil is disconnected, and the vacuum machine applies positive pressure to release the battery cell pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011474591.8A CN112693884A (en) | 2020-12-14 | 2020-12-14 | Electromagnetic vibration sucker and vacuum adsorption material taking method for battery cell pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011474591.8A CN112693884A (en) | 2020-12-14 | 2020-12-14 | Electromagnetic vibration sucker and vacuum adsorption material taking method for battery cell pole piece |
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| CN112693884A true CN112693884A (en) | 2021-04-23 |
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| CN202011474591.8A Pending CN112693884A (en) | 2020-12-14 | 2020-12-14 | Electromagnetic vibration sucker and vacuum adsorption material taking method for battery cell pole piece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955483A (en) * | 2021-09-24 | 2022-01-21 | 浙江恒成硬质合金有限公司 | Material taking device for sucking workpieces and assembling complete machine |
| CN117123981A (en) * | 2023-10-26 | 2023-11-28 | 江苏快克芯装备科技有限公司 | Micro-pressure device of chip suction mechanism and chip welding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113955483A (en) * | 2021-09-24 | 2022-01-21 | 浙江恒成硬质合金有限公司 | Material taking device for sucking workpieces and assembling complete machine |
| CN117123981A (en) * | 2023-10-26 | 2023-11-28 | 江苏快克芯装备科技有限公司 | Micro-pressure device of chip suction mechanism and chip welding machine |
| CN117123981B (en) * | 2023-10-26 | 2024-03-15 | 江苏快克芯装备科技有限公司 | Micro-pressure device of chip suction mechanism and chip welding machine |
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