CN115123826A

CN115123826A - Clamping device for lithium battery machining

Info

Publication number: CN115123826A
Application number: CN202210895529.9A
Authority: CN
Inventors: 曹源
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-09-30

Abstract

The invention relates to the technical field of lithium battery processing, and discloses a clamping device for lithium battery processing, which comprises a support, a baffle, an electric rod, a tray and a lithium battery plate, wherein a movable groove is formed in the middle of the inner side of the support, a movable plate is connected to the inside of the movable groove in a sliding manner, a sliding cavity is formed in the support and below the left side of the movable groove, an elastic piece is fixedly connected to the bottom of the right side surface of the baffle, a contact II is fixedly arranged on the right side surface of the baffle and above the elastic piece, and a gas transmission groove is formed in the baffle. According to the invention, the tray is driven to move downwards by the downward movement of the electric rod to apply pressure to the lithium battery, the movable plate is driven to move downwards by the electric rod, so that gas in the movable groove is extruded into the elastic part, the elastic part is enabled to apply an upward supporting force to the lithium battery, the supporting force of the elastic part and the pressure of the tray are utilized to replace the rigid clamping force of the clamp, and the phenomenon that the outer surface of the lithium battery is sunken under the action of the clamping force is further avoided.

Description

Clamping device for lithium battery machining

Technical Field

The invention relates to the technical field of lithium battery processing, in particular to a clamping device for lithium battery processing.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive electrode material and a negative electrode material and uses a non-aqueous electrolyte solution, and is widely applied to various industries, and the lithium battery is transmitted through a conveying belt after being processed and clamped by a clamp to be assembled into a lithium battery pack.

Current lithium cell anchor clamps are in the use, mainly adsorb the lithium cell through vacuum chuck and snatch, and the condition that the lithium cell dropped appears easily in single suction to the outward appearance that leads to the battery appears colliding with, damage even, anchor clamps belong to the rigid force to the clamp force of lithium cell simultaneously, cause the condition such as damage cave in to the outward appearance of lithium cell easily, make the inside volume of lithium cell reduce, cause the reaction efficiency of the inside electrolyte of battery to reduce, and then the performance that leads to the lithium cell reduces.

Disclosure of Invention

Aiming at the defects of the existing lithium battery clamp in the use process in the background technology, the invention provides the clamping device for lithium battery processing, which has the advantages of preventing the clamp from being in rigid contact with the lithium battery to cause depression, improving the stability of lithium battery clamping, and fixing the battery when the lithium battery is detected during clamping and unqualified batteries are encountered during detection, and solves the technical problems in the background technology.

The invention provides the following technical scheme: the utility model provides a clamping device for lithium cell processing, includes support, baffle, electric pole, tray and lithium cell board, the activity groove has been seted up at the inboard middle part of support, the inside sliding connection in activity groove has the fly leaf, the inside of support just is located the left below in activity groove and has seted up smooth chamber, the inside in smooth chamber has the slider through spring coupling, logical groove has been seted up to the inside of slider, the bottom fixedly connected with elastic component of baffle right flank, the right flank of baffle just is located the fixed contact II that is equipped with of upside of elastic component, the gas transmission groove has been seted up to the inside of baffle.

Preferably, the telescopic rod on the electric rod extends into the movable groove and is fixedly connected with the bottom surface of the movable plate, the cavity in the movable groove and located on the upper side of the movable plate is communicated with the sliding groove through the through hole, and the cavity in the movable groove and located on the lower side of the movable plate is communicated with the sliding cavity through the through hole.

Preferably, the side face of the sliding block is in sliding contact with the side wall of the sliding cavity, a spring connected with the sliding block is fixedly connected with the right side wall of the sliding cavity, an upper opening of the gas transmission groove is communicated with the sliding cavity, the through groove is communicated with the gas transmission groove when the sliding block moves to the leftmost side in the sliding cavity, and a lower opening of the gas transmission groove is communicated with the inside of the elastic piece.

Preferably, the spout has been seted up to the inside of support and the top that is located the activity groove right side, the last lateral wall fixedly connected with conducting layer of spout, the inside sliding connection of spout has the slide, the left surface fixedly connected with contact I of slide, the inside of support and the fixed electro-magnet that is equipped with in middle part that is located the activity groove upside, the inside of support and the fixed coil assembly that is equipped with in the outside that is located the electro-magnet, the top surface fixedly connected with warning light of support.

Preferably, an air cavity is formed in the electric rod, a tension spring is fixedly connected to the middle of the bottom surface of the air cavity, a magnetic block is fixedly connected to the top of the tension spring, and an air hole is formed in the tray and located on the lower side of the air cavity.

Preferably, the coil wire winding direction of electro-magnet self is the levogyration, the wire winding direction of coil group is opposite with the coil direction of electro-magnet self, the coil group passes through the wire and establishes ties in the circuit at warning light place, the positive pole of warning light passes through the wire and is connected with the conducting layer, the negative pole of warning light passes through the wire and is connected with contact II.

Preferably, the side face of the magnetic block is in sliding contact with the inner side wall of the air cavity, the magnetism of the magnetic block is opposite to that of the electromagnet, the potential energy of the tension spring is larger than the magnetic attraction force of the electromagnet on the magnetic block after being weakened, and the potential energy of the tension spring is smaller than the magnetic attraction force of the electromagnet on the magnetic block when not being weakened.

The invention has the following beneficial effects:

1. according to the invention, by designing the movable groove, the movable plate, the sliding cavity, the sliding block and the elastic part, when the battery moves to the upper side of the elastic part by the transmission of the conveyor belt, the electric rod is controlled to move downwards to drive the tray to move downwards to apply pressure to the lithium battery, and meanwhile, the electric rod moves downwards to drive the movable plate to move downwards, so that the gas in the movable groove is extruded into the sliding cavity and pushes the sliding block to move against the potential energy of the spring, thereby the gas is promoted to enter the elastic part through the through groove and the gas transmission groove, the elastic part is promoted to apply an upward supporting force to the lithium battery, and the supporting force of the elastic part and the pressure of the tray are utilized to replace the rigid clamping force of the clamp, so that the appearance of the lithium battery is prevented from sinking under the action of the clamping force.

2. By designing the movable groove, the movable plate, the sliding groove, the conductive layer, the sliding plate, the contact I, the contact II and the warning lamp, after the electric rod drives the tray to move downwards to fix the battery, the air pressure on the upper side of the movable plate in the movable groove is reduced due to the downward movement of the movable plate, negative pressure is generated, the sliding plate in the sliding groove is driven to move and contact with the side face of the lithium battery by the negative pressure, the anode of the lithium battery is driven to contact with the contact I, the cathode of the lithium battery is driven to contact with the contact II, the circuit where the contact I, the contact II and the warning lamp are located is further driven to be communicated, if the lithium battery is a qualified product, the warning lamp is driven to be lightened by discharging, if the lithium battery is an unqualified product, the warning lamp cannot be lightened, and by the structure, the pre-detection of the lithium battery can be realized when the clamp clamps the lithium battery, and meanwhile, the sliding plate is in contact with the lithium battery, can fix the position of lithium cell, further promote the stability of anchor clamps to the lithium cell centre gripping.

3. By designing the electromagnet, the coil group, the contact I, the contact II, the air cavity, the tension spring, the magnetic block and the air hole, because the rotating direction of the coil group is opposite to the rotating direction of the original coil of the electromagnet, when the battery clamped by the clamp is unqualified, no current is output from the battery, no current passes through the interior of the coil group, the magnetic force of the electromagnet is not weakened, the electromagnet adsorbs the magnetic block, negative pressure is generated in the air cavity, the negative pressure in the air cavity adsorbs the lithium battery by utilizing the communication of the air hole, the unqualified lithium battery is fixed below the tray, the lithium battery is convenient for an operator to timely handle, when the battery clamped by the clamp is qualified, the current passes through the interior of the coil group due to the transmission of the current, the magnetic force of the electromagnet is weakened, and the potential energy of the tension spring can not be overcome by the attraction force of the electromagnet to the magnetic block, at the moment, the lithium battery plate can be enabled to fall off only by controlling the mechanical arm to drive the support to incline.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a half-section perspective structure of the present invention;

fig. 3 is a schematic view of a half-section three-dimensional structure of the electric rod of the present invention.

In the figure: 1. a support; 11. a movable groove; 12. a movable plate; 13. a chute; 131. a conductive layer; 132. a slide plate; 133. a contact I; 14. a slide chamber; 15. a slider; 16. a through groove; 17. an electromagnet; 18. a coil assembly; 19. a warning light; 2. a baffle plate; 21. an elastic member; 22. a contact II; 23. a gas transmission groove; 3. an electric rod; 31. an air cavity; 32. a tension spring; 33. a magnetic block; 34. air holes; 4. a tray; 5. a lithium battery panel.

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. 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.

Example one

Please refer to fig. 1-2, a clamping device for lithium battery processing, including support 1, there is baffle 2 the downside of support 1 by left fixed mounting, there is electronic pole 3 middle part fixed mounting of support 1 bottom surface, electronic pole 3 cup joints for two pole activities, be fixed in the pole that is the outside major diameter of support 1 bottom surface, the pole of the inboard minor diameter of electronic pole 3 can slide in the inside of major diameter pole, the bottom fixed mounting of electronic pole 3 has tray 4, lithium cell panel 5 has been placed to the below of tray 4.

Referring to fig. 1-3, a movable groove 11 is formed in the middle of the inner side of a support 1, a movable plate 12 is slidably connected to the inner side of the movable groove 11, a sliding cavity 14 is formed in the inner side of the support 1 and below the left side of the movable groove 11, an expansion link on an electric rod 3 extends into the movable groove 11 and is fixedly connected to the bottom surface of the movable plate 12, so that the electric rod 3 drives the movable plate 12 to move, a cavity in the movable groove 11 and above the movable plate 12 is communicated with the sliding groove 13 through a through hole, a cavity in the movable groove 11 and below the movable plate 12 is communicated with the sliding cavity 14 through a through hole, so that gas transmission among the movable groove 11, the sliding groove 13 and the sliding cavity 14 is facilitated, a slider 15 is connected to the inside of the sliding cavity 14 through a spring, a through groove 16 is formed in the slider 15, an elastic member 21 is fixedly adhered to the bottom of the right side of the baffle 2, a contact ii 22 is fixedly arranged on the right side of the baffle 2 and above the elastic member 21, gas transmission groove 23 is formed in baffle 2, the side face of slider 15 is in sliding contact with the side wall of sliding cavity 14, the spring connected with slider 15 is fixedly connected with the right side wall of sliding cavity 14, the upper opening of gas transmission groove 23 is communicated with sliding cavity 14, through groove 16 is communicated with gas transmission groove 23 when slider 15 moves to the leftmost side in sliding cavity 14, the lower opening of gas transmission groove 23 is communicated with the inside of elastic piece 21, it is ensured that gas in sliding cavity 14 enters into elastic piece 21 after being transmitted, and therefore upward supporting force is exerted on lithium battery plate 5 by elastic piece 21.

Referring to fig. 1-2, when the lithium battery panel 5 is placed on the elastic member 21 and clamped, the electric rod 3 is controlled to descend to drive the tray 4 to descend to apply pressure to the lithium battery panel 5, at this time, the electric rod 3 moves downwards to drive the movable plate 12 to move downwards, so that the movable plate 12 pushes the gas in the movable groove 11 into the sliding cavity 14 and pushes the slider 15 to move left, when the through groove 16 on the slider 15 is communicated with the gas transmission groove 23, the gas in the sliding cavity 14 enters the elastic member 21 through transmission, so that the elastic member 21 applies an upward supporting force to the bottom surface of the lithium battery panel 5, and the supporting force applied by the elastic member 21 and the pressure applied by the tray 4 replace the rigid clamping force applied by the lithium battery panel 5, thereby avoiding the situation that the surface of the lithium battery panel 5 is recessed due to the existing rigid clamping force.

The use method (working principle) of the first embodiment of the invention is as follows:

firstly, the lithium battery panel 5 is driven to move to the upper side of the elastic part 21 by the inertia of the conveyor belt, the electric rod 3 is controlled to drive the tray 4 to move downwards to apply pressure to the lithium battery panel 5, the movable plate 12 is driven to move downwards by the downward movement of the electric rod 3, so that the gas in the movable groove 11 is extruded by the movable plate 12 to enter the sliding cavity 14, and the pushing sliding block 15 moves leftwards, so that the through groove 16 is communicated with the gas transmission groove 23, the gas in the sliding cavity 14 is transmitted to enter the elastic part 21, the elastic part 21 applies an upward supporting force to the lithium battery panel 5, and the lithium battery panel 5 is driven to be fixed by the pressure of the tray 4 and the supporting force of the elastic part 21.

Example two

A sliding groove 13 is formed in the support 1 and above the right side of the movable groove 11, a conductive layer 131 is fixedly welded on the upper side wall of the sliding groove 13, a sliding plate 132 is connected in the sliding groove 13 in a sliding manner, a contact I133 is fixedly welded on the left side surface of the sliding plate 132, the top of the sliding plate 132 is in sliding contact with the conductive layer 131, the contact I133 is in sliding contact with the conductive layer 131, the bottom of the sliding plate 132 extends out of the bottom of the support 1, a groove for the sliding plate 132 to slide is formed in the support 1, it is ensured that the lithium battery plate 5 and the contact I133 can be connected to realize current transmission, an electromagnet 17 is fixedly arranged in the support 1 and in the middle of the upper side of the movable groove 11, a coil group 18 is fixedly arranged in the support 1 and outside the electromagnet 17, a warning lamp 19 is fixedly welded on the top surface of the support 1, the coil winding direction of the electromagnet 17 is left-handed, and the winding direction of the coil group 18 is opposite to the coil direction of the electromagnet 17, ensuring that the magnetic force of the electromagnet 17 is weakened when current passes through the coil assembly 18, the coil assembly 18 is connected in series in the circuit of the warning light 19 through a lead wire, the positive pole of the warning light 19 is connected with the conductive layer 131 through a conducting wire, the negative pole of the warning light 19 is connected with the contact II 22 through a conducting wire, the electric rod 3 is internally provided with an air cavity 31, the middle part of the bottom surface of the air cavity 31 is fixedly welded with a tension spring 32, the top of the tension spring 32 is fixedly welded with a magnetic block 33, the side surface of the magnetic block 33 is in sliding contact with the inner side wall of the air cavity 31, the magnetism of the magnetic block 33 is opposite to that of the electromagnet 17, the potential energy of the tension spring 32 is greater than the magnetic attraction force to the magnetic block 33 after the electromagnet 17 is weakened, the potential energy of the tension spring 32 is less than the magnetic attraction force to the magnetic block 33 when the electromagnet 17 is not weakened, and the magnetic block 33 is enabled to generate negative pressure in the air cavity 31 when being adsorbed by the electromagnet 17, thereby fixing the lithium battery panel 5, and the air hole 34 is opened inside the tray 4 and at the lower side of the air cavity 31.

Referring to fig. 1 to 3, after the lithium battery panel 5 is fixed, the electric rod 3 drives the movable plate 12 to move down, so that the air pressure inside the movable groove 11 at the upper side of the movable plate 12 is reduced and negative pressure is generated, the negative pressure is used to drive the sliding plate 132 to move left to contact with the positive electrode of the lithium battery panel 5, so that the contact i 133, the conductive layer 131, the warning light 19 and the contact ii 22 form a passage through the connection of the lithium battery panel 5, if the lithium battery panel 5 is qualified, current transmission is performed after the passage is formed, so that the warning light 19 emits light, and if the lithium battery panel 5 is unqualified, no current transmission is performed, and the warning light 19 does not emit light, so that the pre-detection of the lithium battery panel 5 can be realized in the process of clamping the lithium battery panel 5;

referring to fig. 1-3, when the warning light 19 does not emit light, no current is transmitted, at this time, since the coil assembly 18 is connected in series with the warning light 19, and the rotation direction of the coil assembly 18 is opposite to the rotation direction of the coil of the electromagnet 17, the magnetic force of the electromagnet 17 does not change under the condition that no current passes through the coil assembly 18, the electromagnet 17 will continue to adsorb the magnetic block 33, so that the inside of the air cavity 31 is always at a negative pressure, so that the lithium battery panel 5 is always adsorbed and fixed by the tray 4, and when the lithium battery panel 5 is qualified, the inside of the coil assembly 18 is energized through the transmission of current, so that the magnetic force of the electromagnet 17 is weakened by the rotation direction of the coil assembly 18, so that the magnetic block 33 overcomes the attraction force of the electromagnet 17 to move down by the action of the tension spring 32, so that the lithium battery panel 5 falls off, and by the above-mentioned device, the unqualified lithium battery panel 5 can be prevented from being clamped into the battery pack, the operating personnel of being convenient for handles unqualified lithium cell panel 5.

The use method (working principle) of the second embodiment of the invention is as follows:

when the warning light 19 detects that the lithium battery panel 5 is unqualified (namely the warning light 19 does not emit light), no current transmission exists in the lithium battery panel 5, so that no current passes through the coil assembly 18, the magnetic force of the electromagnet 17 is unchanged, the electromagnet 17 adsorbs the magnetic block 33, the negative pressure generated in the air cavity 31 adsorbs the lithium battery panel 5, and the unqualified lithium battery panel 5 is ensured not to be put into the battery pack.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping device for lithium cell processing, includes support (1), baffle (2), electronic pole (3), tray (4) and lithium battery board (5), its characterized in that: activity groove (11) have been seted up at the middle part of support (1) inboard, the inside sliding connection of activity groove (11) has fly leaf (12), smooth chamber (14) have been seted up to the inside of support (1) and be located the left below of activity groove (11), there is slider (15) inside of smooth chamber (14) through spring coupling, logical groove (16) have been seted up to the inside of slider (15), the bottom fixed connection elastic component (21) of baffle (2) right flank, the right flank of baffle (2) and the fixed contact II (22) that is equipped with of upside that is located elastic component (21), gas transmission groove (23) have been seted up to the inside of baffle (2).

2. The clamping device for lithium battery processing as claimed in claim 1, wherein: the telescopic rod on the electric rod (3) extends into the movable groove (11) and is fixedly connected with the bottom surface of the movable plate (12), the cavity in the movable groove (11) and located on the upper side of the movable plate (12) is communicated with the sliding groove (13) through a through hole, and the cavity in the movable groove (11) and located on the lower side of the movable plate (12) is communicated with the sliding cavity (14) through a through hole.

3. The clamping device for lithium battery processing as claimed in claim 1, wherein: the side of slider (15) and the lateral wall sliding contact of smooth chamber (14), the spring that slider (15) are connected and the right side wall fixed connection of smooth chamber (14), the upper portion opening and the smooth chamber (14) intercommunication of gas transmission groove (23), logical groove (16) and gas transmission groove (23) switch-on when slider (15) remove to the leftmost side in smooth chamber (14), the lower part opening and the inside intercommunication of elastic component (21) of gas transmission groove (23).

4. The clamping device for lithium battery processing as claimed in claim 1, wherein: spout (13) have been seted up to the inside of support (1) and the top that is located activity groove (11) right side, go up lateral wall fixedly connected with conducting layer (131) of spout (13), the inside sliding connection of spout (13) has slide (132), the left surface fixedly connected with contact I (133) of slide (132), the inside of support (1) and the middle part that is located activity groove (11) upside are fixed and are equipped with electro-magnet (17), the inside of support (1) and the outside that is located electro-magnet (17) are fixed and are equipped with coil assembly (18), the top surface fixedly connected with warning light (19) of support (1).

5. The clamping device for lithium battery processing as claimed in claim 4, wherein: air cavity (31) have been seted up to the inside of electric pole (3), middle part fixedly connected with extension spring (32) of air cavity (31) bottom surface, the top fixedly connected with magnetic path (33) of extension spring (32), air hole (34) have been seted up to the inside of tray (4) and the downside that is located air cavity (31).

6. The clamping device for lithium battery processing as claimed in claim 4, wherein: the top of slide (132) and conducting layer (131) sliding contact, and contact I (133) and conducting layer (131) sliding contact, the bottom of slide (132) stretches out the bottom of support (1), the inside of support (1) is seted up and is supplied slide (132) gliding groove.

7. The clamping device for lithium battery processing as claimed in claim 4, wherein: the coil wire winding direction of electro-magnet (17) self is the levogyration, the wire winding direction of coil group (18) is opposite with the coil direction of electro-magnet (17) self, coil group (18) are established ties in the circuit at warning light (19) place through the wire, the anodal of warning light (19) is connected with conducting layer (131) through the wire, the negative pole of warning light (19) is connected with contact II (22) through the wire.

8. The clamping device for lithium battery processing as claimed in claim 5, wherein: the side of magnetic block (33) and the inside wall sliding contact of air cavity (31), the magnetism of magnetic block (33) is opposite with the magnetism of electro-magnet (17), the potential energy of extension spring (32) is greater than the magnetic attraction to magnetic block (33) after electro-magnet (17) weaken, the potential energy of extension spring (32) is less than the magnetic attraction to magnetic block (33) when electro-magnet (17) do not weaken.