Electrolyte injection equipment and method for Bluetooth battery

Abstract

The equipment comprises a bottom frame, a cross beam is arranged at the top end of the bottom frame, an L-shaped transverse plate is installed on the outer wall of one side of the cross beam, and a plurality of electromagnetic liquid injection structures with the positions capable of being adjusted in the X-axis direction are installed on the portion, below the L-shaped transverse plate, of the outer wall of the cross beam; and a liquid injection needle is installed at the liquid outlet end of the electromagnetic liquid injection structure, and a lifting driving device for controlling the cross beam, the L-shaped transverse plate and the electromagnetic liquid injection structure to conduct Z-axis lifting is installed on one side of the top end of the bottom frame. The first sponge roller and the adjustable liquid injection adsorption module are responsible for cleaning electrolyte on the liquid injection needle, the electrolyte remaining on the needle head is effectively removed in the lifting process of the liquid injection needle, the electrolyte is prevented from dripping to the ground or production equipment, liquid dripping is reduced, the cleanliness of the periphery of the equipment can be kept, and the service life of the equipment is prolonged. And a clean environment is provided for the next step of liquid injection operation.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid injection equipment, and in particular to an electrolyte liquid injection equipment and method for a Bluetooth battery. Background Art

[0002] The main function of the electrolyte injection equipment of Bluetooth batteries in battery production and maintenance is to ensure the uniform distribution of electrolyte, improve production efficiency, control liquid quality and reduce safety risks. The structure of this type of equipment is usually composed of several main parts, such as liquid storage tanks, conveying systems, injection heads, control systems and safety devices. The liquid storage tank is used to store electrolyte and is made of corrosion-resistant materials to prevent liquid damage to the equipment; the conveying system transports the electrolyte from the liquid storage tank to the battery cell through pumps, pipes and valves to ensure the stability of flow and pressure; the injection head is responsible for accurately injecting electrolyte into the battery and is usually equipped with a flow meter to control the injection amount; the control system monitors the entire injection process through an electronic control unit and software to ensure the accuracy and safety of the injection; For example, a lithium battery electrolyte injection device and injection method disclosed in application publication number CN117543167A comprises a bottom plate, a frame is fixedly installed on the top of the bottom plate, a liquid storage tank is arranged inside the frame, a liquid supply assembly is arranged inside the liquid storage tank, a support frame is fixedly installed on the frame, a telescopic rod is symmetrically installed on the top of the support frame, one end of the telescopic rod is fixedly connected to the support plate, an adjustment assembly is arranged inside the support plate, and a cleaning plate is arranged to facilitate the lithium battery electrolyte injection device to clean the injection hole, the driving motor drives the rotating rod to rotate smoothly inside the limit frame through the driving rod, and the cleaning plate is driven to rotate synchronously when the rotating rod rotates, and after the cleaning plate contacts the top of the lithium battery when rotating, the electrolyte spilled beside the injection hole on the top of the lithium battery can be cleaned; thus, it can be seen that The electrolyte filling technology and equipment operation methods of some Bluetooth batteries are basically the same, that is, the control system continuously monitors the filling status to ensure the stability and accuracy of the filling. After reaching the set filling volume, the system will automatically close the valve, stop filling, and perform self-inspection to ensure that there is no leakage or abnormality. Then during its use, since the liquid outlet needle of the filling head extends into the interior of the Bluetooth battery shell, and the electrolyte has a certain viscosity and surface tension characteristics, after the filling is completed, a part of the electrolyte will be retained on the outer surface of the filling head due to surface tension, resulting in the filling head being unable to completely remove the electrolyte when it is pulled out, and then the electrolyte drips onto the work surface. The residual liquid will cause the equipment and work surface to need to be cleaned frequently, increasing the time and cost of production maintenance, reducing the overall production efficiency, and each cleaning takes time, which is particularly obvious in large-scale production. Summary of the invention

[0003] The object of the present invention is to provide an electrolyte injection device and method for a Bluetooth battery. The Bluetooth battery to be injected is placed on a right-angle support and fixed by a bidirectional screw positioning tool. The position of each electromagnetic injection structure is adjusted one by one according to the injection hole position of the Bluetooth battery. After the debugging is completed, the lifting drive device causes the cross beam, the L-shaped cross plate and the electromagnetic injection structure to move downward until the injection needle enters the injection hole of the Bluetooth battery. After the injection is completed, the lifting drive device causes the electromagnetic injection structure to move up and exit the Bluetooth battery. During the lifting process of the electromagnetic injection structure, the first sponge roller and the adjustable injection adsorption module are always in contact with the injection needle to remove the electrolyte retained on the outer surface of the injection needle, thereby solving the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: an electrolyte injection device for a Bluetooth battery, comprising: A bottom frame, wherein a cross beam is arranged at the top of the bottom frame, and an L-shaped cross plate is installed on the outer wall of one side of the cross beam, and a plurality of electromagnetic injection structures that can adjust the position in the X-axis direction are installed on the outer wall of the cross beam below the L-shaped cross plate, and an injection needle is installed at the liquid outlet end of the electromagnetic injection structure, and a lifting drive device for controlling the cross beam, the L-shaped cross plate, and the electromagnetic injection structure to lift and lower the Z-axis is installed on one side of the top of the bottom frame; A right-angle support, wherein the right-angle support is fixed to the top of the bottom frame, and a bidirectional screw positioning tooling for fixing the Bluetooth battery is provided at the bottom end of the bottom frame below the right-angle support; Axis plates, two of which are symmetrically fixed on the outer wall of one side of the crossbeam, a first sponge roller is rotatably installed between the two axis plates, the first sponge roller is used to contact the outer wall surface of the injection needle, an adjustable injection adsorption module is arranged on the top of the bottom frame, the injection needle passes between the first sponge roller and the adjustable injection adsorption module, a PLC control panel is installed on one side of the top of the bottom frame, and the output end of the PLC control panel is electrically connected to the input end of the lifting drive device, the electromagnetic injection structure and the adjustable injection adsorption module respectively.

[0005] Preferably, the electromagnetic injection structure includes a guide rail fixed on the outer wall of one side of the beam, a plurality of slide seats slidably mounted on one end of the guide rail surface, and an electromagnetic valve installed at the bottom of the slide seat. The injection needle is installed at the liquid outlet end of the electromagnetic valve, and an internal threaded hole is provided on one side of the top end of the slide seat.

[0006] Preferably, a straight slot is provided at the bottom of the L-shaped horizontal plate, and a positioning bolt is installed on the upper surface of the L-shaped horizontal plate, which penetrates to the outside of the straight slot and is screwed together with the internal threaded hole.

[0007] Preferably, the lifting drive device includes a support frame fixed on one side of the top of the bottom frame, a cylinder installed on the top of the support frame, and a boss on the back side of the crossbeam, the bottom end of the piston rod of the cylinder is fixedly connected to the top of the boss, guide rods are fixed on both sides of the top of the boss, and the top of the guide rods extends upward and passes through the outside of the support frame.

[0008] Preferably, lifting guides are provided on both sides of the top of the bottom frame, and the lifting guides are composed of a T-shaped vertical plate and a column. The T-shaped vertical plate is fixed on one side of the top of the bottom frame, and the column is fixed on the outer wall of the T-shaped vertical plate close to the cross beam. Both ends of the back of the cross beam are fixed with convex sliding sleeves, which slide in sliding cooperation with the column.

[0009] Preferably, the bidirectional screw positioning tooling includes a bidirectional screw pulling and traction structure arranged at the top of the bottom frame, a flat plate installed at the two movable ends of the bidirectional screw pulling and traction structure, and steel columns fixed on both sides of the top of the flat plate, another flat plate is installed at the top of the steel column, and a plurality of vacuum suction cups are installed on the outer wall of one side of the other flat plate, and the planar portion of the right-angle support is located between the two flat plates in the vertical direction.

[0010] Preferably, the adjustable liquid injection adsorption module includes a square cross arm fixed on the outer wall of one side of the support frame, a U-frame bolted and fixed at both ends of the surface of the square cross arm, a connecting shaft rotatably installed between the two U-frames, and an axle shell fixed at both ends of the surface of the connecting shaft, a second sponge roller is rotatably installed between the two axle shells, and a screw-type angle adjustment structure is installed inside the U-frame for forcing the axle shell and the second sponge roller to rotate around the connecting shaft.

[0011] Preferably, a sprocket drive unit for driving the second sponge roller to rotate is installed on one side outer wall of one of the shaft housings, and the sprocket drive unit consists of a motor, a sprocket transmission structure and a chain cover, the chain cover is fixed on one side outer wall of the shaft housing, the motor is installed on the side outer wall of the chain cover away from the shaft housing, and the sprocket transmission structure is used to connect the motor output shaft and the second sponge roller.

[0012] Preferably, the screw-type angle adjustment structure includes a square internal threaded sleeve hingedly installed at the bottom end of the U-frame and a square nut pair hingedly installed at the bottom end of the shaft housing, a screw is installed inside the square internal threaded sleeve, one end of the screw passes through the outside of the square nut pair, and a handwheel is installed at the other end of the screw.

[0013] The present invention also provides an electrolyte injection method for a Bluetooth battery, such as the electrolyte injection device for a Bluetooth battery as described above, comprising the following steps: S101: Check the positions and stabilities of the right-angle support table and the two-way lead screw positioning tooling. Place the Bluetooth battery to be injected with electrolyte on the right-angle support table, and the two-way lead screw positioning tooling firmly fixes the Bluetooth battery. Meanwhile, the staff adjusts the positions of each electromagnetic liquid injection structure one by one according to the liquid injection hole positions of the Bluetooth battery, so that the electromagnetic liquid injection structure is directly above the liquid injection hole of the Bluetooth battery; S102: After completing the workpiece fixation and equipment debugging, the staff starts the lifting drive device to work through the PLC control panel. At this time, set parameters through the panel input on the PLC control panel. The set parameters include the liquid injection volume, liquid injection time, and the lifting heights of the crossbeam, L-shaped cross plate, and electromagnetic liquid injection structure. The PLC control panel forces the lifting drive device to drive the crossbeam, L-shaped cross plate, and electromagnetic liquid injection structure to move downward, so that the liquid injection needle of the electromagnetic liquid injection structure accurately enters the liquid injection hole of the battery through the lifting device. The electromagnetic liquid injection structure is controlled by an electromagnetic valve to start the electrolyte injection, and the electrolyte flows into the battery interior through the liquid injection needle; S103: Once the PLC control panel shows that the liquid injection volume reaches the set standard, the electromagnetic liquid injection structure automatically stops injecting liquid. Then the staff checks the battery to ensure that the electrolyte volume of each battery is within the specified range; S104: After the liquid injection is completed, the lifting drive device drives the crossbeam, L-shaped cross plate, and electromagnetic liquid injection structure to move upward. Then the liquid injection needle contacts the first sponge roller and the adjustable liquid injection adsorption module. The sponge roller and the adsorption module adsorb and remove any electrolyte remaining on the surface of the liquid injection needle to ensure the cleanliness of the liquid injection needle. At this time, each component resets. The staff needs to check whether the right-angle support table is clean to ensure that its surface is not stained with electrolyte, and continue the liquid injection work for the next Bluetooth battery.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the electrolyte injection device and method of the Bluetooth battery provide stable support through the right-angle support platform, the bidirectional screw positioning tooling ensures the precise docking of the injection needle, avoids uneven injection or leakage caused by position deviation, the lifting drive device stably controls the depth of the injection needle, quickly completes the injection and withdrawal actions, the electromagnetic injection structure realizes precise liquid control, reduces the direct contact between the operator and the electrolyte, the first sponge roller and the adjustable injection adsorption module are responsible for cleaning the electrolyte on the injection needle, and can effectively remove the electrolyte remaining on the needle head during the lifting and lowering process of the injection needle. Preventing electrolyte from dripping onto the ground or production equipment not only reduces liquid dripping, but also keeps the area around the equipment tidy, providing a clean environment for the next injection operation. At the same time, the first sponge roller can effectively absorb liquid residues that are difficult to remove, thereby reducing the risk of contamination. The adjustable injection adsorption module further enhances the cleaning function of the sponge roller. The adjustable injection adsorption module provides additional adsorption force to ensure that the electrolyte residues that the sponge roller has not completely removed are completely adsorbed. The adjustability allows operators to adjust the adsorption force according to different battery types or production requirements, thereby flexibly responding to various injection conditions.

[0015] The synergistic effect of the first sponge roller and the adjustable liquid injection adsorption module can also ensure that each liquid injection operation is completed in the shortest time and maintain the efficient operation of the production line, especially by eliminating liquid dripping problems, reducing the frequency of equipment cleaning and maintenance, effectively reducing downtime, and thus improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ; Figure 4 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ; Figure 5 This is a schematic diagram of the three-dimensional structure of the adjustable liquid injection adsorption module after being dismantled according to the second embodiment of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the bidirectional screw positioning tooling according to the second embodiment of the present invention; Figure 7 The three-dimensional structure of the adjustable liquid injection adsorption module of the third embodiment of the present invention is shown in FIG. Figure 1 ; Figure 8 The three-dimensional structure of the adjustable liquid injection adsorption module of the third embodiment of the present invention is shown in FIG. Figure 2 .

[0017] In the figure: 1, bottom frame; 2, lifting guide; 201, T-shaped vertical plate; 202, column; 3, crossbeam; 4, lifting drive device; 401, support frame; 402, cylinder; 403, guide rod; 404, boss; 5, PLC control panel; 6, L-shaped horizontal plate; 601, straight notch; 602, positioning bolt; 7, electromagnetic injection structure; 701, slide seat; 702, electromagnetic valve; 703, injection needle; 8, right-angle support platform; 9 , two-way screw positioning tooling; 901, two-way screw pulling and traction structure; 902, flat plate; 903, steel column; 904, vacuum suction cup; 10, shaft plate; 11, first sponge roller; 12, adjustable liquid injection adsorption module; 1201, square-mouth cross arm; 1202, U-shaped frame; 1203, connecting shaft; 1204, shaft housing; 1205, second sponge roller; 1206, sprocket drive unit; 1207, screw-type angle adjustment structure. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1, by Figures 1 to 4 The present invention comprises a bottom frame 1, a crossbeam 3 is arranged at the top of the bottom frame 1, and an L-shaped cross plate 6 is installed on the outer wall of one side of the crossbeam 3, and a plurality of electromagnetic injection structures 7 which can adjust the position in the X-axis direction are installed on the outer wall of the crossbeam 3 below the L-shaped cross plate 6, and an injection needle 703 is installed at the liquid outlet end of the electromagnetic injection structure 7, and a lifting drive device 4 for controlling the crossbeam 3, the L-shaped cross plate 6, and the electromagnetic injection structure 7 to lift and lower the Z-axis is installed on one side of the top of the bottom frame 1; A right-angle support platform 8 is fixed at the top of the bottom frame 1. A two-way screw positioning tool 9 for fixing the Bluetooth battery is provided at the bottom end of the bottom frame 1 below the right-angle support platform 8. The right-angle support platform 8 is a fixed support platform for the Bluetooth battery, which is used to stabilize the battery and ensure that the battery is accurately positioned and does not move during the injection process; Axis plates 10, two of which are symmetrically fixed on the outer wall of one side of the cross beam 3, a first sponge roller 11 is rotatably installed between the two axis plates 10, the first sponge roller 11 is used to contact the outer wall surface of the injection needle 703, the function of the first sponge roller 11 is to adsorb the electrolyte from the surface of the injection needle to avoid dripping of the electrolyte and to prevent pollution of the working environment and equipment, an adjustable injection adsorption module 12 is arranged at the top of the bottom frame 1, the injection needle 703 passes between the first sponge roller 11 and the adjustable injection adsorption module 12, a PLC control panel 5 is installed on one side of the top of the bottom frame 1, and the output end of the PLC control panel 5 is electrically connected to the input end of the lifting drive device 4, the electromagnetic injection structure 7, and the adjustable injection adsorption module 12 respectively.

[0020] A method for injecting electrolyte into a Bluetooth battery in this embodiment, such as the above-mentioned device for injecting electrolyte into a Bluetooth battery, comprises the following steps: S101: Check the position and stability of the right-angle support 8 and the two-way screw positioning tool 9, and place the Bluetooth battery to be injected with electrolyte on the right-angle support 8, and the two-way screw positioning tool 9 firmly fixes the Bluetooth battery. At the same time, the staff adjusts the position of each electromagnetic injection structure 7 one by one according to the injection hole position of the Bluetooth battery, so that the electromagnetic injection structure 7 is located directly above the injection hole of the Bluetooth battery; S102: After the workpiece is fixed and the equipment is debugged, the staff starts the lifting drive device 4 to work through the PLC control panel 5. At this time, the setting parameters are input through the panel on the PLC control panel 5. The setting parameters include the injection volume, injection time, and the lifting height of the beam 3, the L-shaped horizontal plate 6, and the electromagnetic injection structure 7. The PLC control panel 5 forces the lifting drive device 4 to drive the beam 3, the L-shaped horizontal plate 6, and the electromagnetic injection structure 7 to move downward according to the set parameters, so that the injection needle 703 of the electromagnetic injection structure 7 accurately enters the injection hole of the battery through the lifting device, and the electromagnetic injection structure 7 is controlled by the solenoid valve to start the electrolyte injection, and the electrolyte flows into the battery through the injection needle 703; S103: Once the PLC control panel 5 shows that the injection amount reaches the set standard, the electromagnetic injection structure 7 automatically stops injecting liquid, and the staff then checks the battery to ensure that the electrolyte amount of each battery is within the specified range; S104: After the injection is completed, the lifting drive device 4 drives the cross beam 3, the L-shaped cross plate 6, and the electromagnetic injection structure 7 to move upward, and the injection needle 703 contacts the first sponge roller 11 and the adjustable injection adsorption module 12. The sponge roller and the adsorption module adsorb and remove any electrolyte remaining on the surface of the injection needle 703 to ensure that the injection needle 703 is clean and tidy. At this time, all components are reset, and the staff needs to check whether the right-angle support 8 is clean, ensure that there is no electrolyte on its surface, and continue the injection work of the next Bluetooth battery.

[0021] Embodiment 2, based on embodiment 1, Figure 5 and Figure 6 It is given that the electromagnetic injection structure 7 includes a guide rail fixed on the outer wall of one side of the beam 3, a plurality of slides 701 slidably installed on one end of the guide rail surface, and a solenoid valve 702 installed at the bottom of the slide 701, and the injection needle 703 is installed at the liquid outlet end of the solenoid valve 702. An internal threaded hole is provided on one side of the top of the slide 701. The solenoid valve 702 is connected to the external electrolyte supply end, and the solenoid valve 702 is used to control the flow rate and injection process of the electrolyte to ensure that the electrolyte can be accurately controlled during injection, and the input end of the solenoid valve 702 is electrically connected to the output end of the PLC control panel 5. The solenoid valve 702 is switched according to the command of the PLC control panel 5 to make the electrolyte flow stable and uniform, avoiding the excessive or insufficient situation that may occur in traditional manual control; A straight slot 601 is provided at the bottom of the L-shaped horizontal plate 6, and a positioning bolt 602 is installed on the upper surface of the L-shaped horizontal plate 6, which penetrates the outside of the straight slot 601 and is screwed into the internal threaded hole; After the Bluetooth battery workpiece to be injected is placed on the right-angle support 8 and fixed by the bidirectional screw positioning tool 9, the staff opens the injection holes on the Bluetooth battery one by one, and then adjusts the position of the injection needle 703 according to the injection hole on the battery. During this process, the staff manually slides the slide 701 to move the slide 701, the solenoid valve 702, and the injection needle 703 in the extension direction of the L-shaped horizontal plate 6. After the injection needle 703 is located above the injection hole, the staff uses the positioning bolt 602 to connect with the threaded hole at the top of the slide 701 until the slide 701 is bolted and fixed; The lifting drive device 4 includes a support frame 401 fixed to one side of the top of the bottom frame 1, a cylinder 402 installed on the top of the support frame 401, and a boss 404 on one side of the back of the crossbeam 3. The bottom end of the piston rod of the cylinder 402 is fixedly connected to the top of the boss 404. Both sides of the top of the boss 404 are fixed with guide rods 403. The top of the guide rod 403 extends upward and penetrates the outside of the support frame 401. Both sides of the top of the bottom frame 1 are provided with lifting guides 2, which are composed of a T-shaped vertical plate 201 and a column 202. The T-shaped vertical plate 201 is fixed to one side of the top of the bottom frame 1, and the column 202 is fixed to the outer wall of the T-shaped vertical plate 201 close to the cross beam 3. Both ends of the back of the cross beam 3 are fixed with convex sliding sleeves, which slide with the column 202. In the process of lifting and lowering components such as the cross beam 3, the L-shaped cross plate 6, and the electromagnetic injection structure 7, the cross beam 3 slides with the column 202 through the convex sliding sleeve, so that the lifting and lowering of the cross beam 3, the L-shaped cross plate 6, and the electromagnetic injection structure 7 is more stable. After the Bluetooth battery is fixed, the staff starts the cylinder 402 through the lifting drive device 4 to work, and the cylinder 402 drives the boss 404, the beam 3, the guide rod 403, the L-shaped horizontal plate 6, and the electromagnetic injection structure 7 to move downward until the injection needle 703 sinks into the injection hole of the Bluetooth battery. By controlling the lifting and lowering of the electromagnetic injection structure 7, the injection needle 703 can be accurately inserted into the injection port of the battery, and the depth and moving speed of the injection needle can be adjusted; The bidirectional screw positioning tool 9 includes a bidirectional screw pulling and traction structure 901 arranged at the top of the bottom frame 1, a flat plate 902 installed at two moving ends of the bidirectional screw pulling and traction structure 901, and steel columns 903 fixed on both sides of the top of the flat plate 902. Another flat plate 902 is installed at the top of the steel column 903, and a plurality of vacuum suction cups 904 are installed on one side of the outer wall of the other flat plate 902. The plane portion of the right-angle support platform 8 is located between the two flat plates 902 in the vertical direction. Since the planar portion of the right-angle support 8 is located between the two flat plates 902, when the battery is placed on the right-angle support 8, the staff manually rotates the bidirectional screw pulling traction structure 901, and the bidirectional screw pulling traction structure 901 drives the two flat plates 902 in the Y-axis direction to approach each other until the vacuum suction cup 904 contacts the outer wall of the battery and the battery is firmly fixed, so that the battery can always remain in a fixed position to ensure that the battery will not move or tilt during the injection process.

[0022] Embodiment 3, based on embodiment 2, Figure 7 and Figure 8 It is given that the adjustable liquid injection adsorption module 12 includes a square cross arm 1201 fixed on the outer wall of one side of the support frame 401, a U-shaped frame 1202 bolted and fixed at both ends of the surface of the square cross arm 1201, a connecting shaft 1203 rotatably installed between the two U-shaped frames 1202, and an axle shell 1204 fixed at both ends of the surface of the connecting shaft 1203, a second sponge roller 1205 is rotatably installed between the two axle shells 1204, and a screw-type angle adjustment structure 1207 for forcing the axle shell 1204 and the second sponge roller 1205 to rotate around the connecting shaft 1203 is installed inside the U-shaped frame 1202; The injection needle 703 is located between the first sponge roller 11 and the adjustable injection adsorption module 12 and is lifted and lowered, and is in contact with the first sponge roller 11 and the adjustable injection adsorption module 12. The sponge roller can effectively adsorb and remove the electrolyte retained on the injection needle by contacting the surface of the injection needle, thereby ensuring the cleanliness of the injection process; A sprocket drive unit 1206 for driving the second sponge roller 1205 to rotate is installed on one side outer wall of one shaft housing 1204. The sprocket drive unit 1206 is composed of a motor, a sprocket transmission structure and a chain cover. The chain cover is fixed on one side outer wall of the shaft housing 1204. The motor is installed on the side outer wall of the chain cover away from the shaft housing 1204. The sprocket transmission structure is used to connect the motor output shaft and the second sponge roller 1205. The screw-type angle adjustment structure 1207 includes a square internal thread sleeve hingedly installed at the bottom end of the U-shaped frame 1202 and a square nut pair hingedly installed at the bottom end of the shaft housing 1204. A screw is installed inside the square internal thread sleeve, one end of the screw penetrates to the outside of the square nut pair, and a hand wheel is installed at the other end of the screw. The staff manually operates the screw-type angle adjustment structure 1207, and uses the screw-type angle adjustment structure 1207 to force the shaft housing 1204 and the second sponge roller 1205 to swing around the connecting shaft 1203, so that the second sponge roller 1205 is close to or away from the first sponge roller 11, thereby adjusting the gap between the second sponge roller 1205 and the first sponge roller 11, ensuring that the second sponge roller 1205 and the first sponge roller 11 are in contact with the injection needle 703; The staff turns on the sprocket drive unit 1206 to work, and the sprocket drive unit 1206 drives the second sponge roller 1205 to rotate. After the injection process is completed, the second sponge roller 1205 completely removes the residual electrolyte that the first sponge roller 11 cannot absorb by providing additional adsorption force, ensuring that there is no liquid residue on the surface of the injection needle.

[0023] When the embodiment of the present application is in use, the staff first checks the position and stability of the right-angle support platform 8 and the two-way screw positioning tool 9, and places the Bluetooth battery to be injected with electrolyte on the right-angle support platform 8, while the two-way screw positioning tool 9 firmly fixes the Bluetooth battery. At the same time, the staff adjusts the position of each electromagnetic injection structure 7 one by one according to the injection hole position of the Bluetooth battery, so that the electromagnetic injection structure 7 is located directly above the injection hole of the Bluetooth battery. After completing the workpiece fixation and equipment debugging, the staff starts the lifting drive device 4 through the PLC control panel 5 to work. At this time, the panel input on the PLC control panel 5 is used to input the input signal of the lifting drive device 4. The set parameters include the injection volume, injection time, and the lifting height of the beam 3, the L-shaped horizontal plate 6, and the electromagnetic injection structure 7 to ensure the accuracy and stability of the injection process. The PLC control panel 5 forces the lifting drive device 4 to drive the beam 3, the L-shaped horizontal plate 6, and the electromagnetic injection structure 7 to move downward according to the set parameters, so that the injection needle 703 of the electromagnetic injection structure 7 accurately enters the injection hole of the battery through the lifting device. After the injection needle 703 is accurately aligned with the battery injection hole, the staff observes the start of the injection process, and the electromagnetic injection structure 7 starts the electrolyte injection through the solenoid valve control. The electrolyte passes through the injection The needle 703 flows into the battery, and the staff displays the injection progress according to the data on the PLC control panel 5 to ensure that the injection amount of each battery is consistent; as the electrolyte is injected, the first sponge roller 11 will always be in contact with the surface of the injection needle 703 during the lifting and lowering process of the injection needle 703 to remove the electrolyte retained on the needle head, and the adjustable injection adsorption module 12 will supplement the adsorption of the first sponge roller 11 to ensure that the surface of the injection needle is clean and free of residual electrolyte after each injection; once the PLC control panel 5 shows that the injection amount has reached the set standard, the electromagnetic injection structure 7 automatically stops injecting, and the staff then performs injection on the battery An inspection is performed to ensure that the amount of electrolyte in each battery is within the specified range to avoid abnormal battery performance due to excessive or insufficient injection; after the injection is completed, the lifting drive device 4 drives the crossbeam 3, the L-shaped cross plate 6, and the electromagnetic injection structure 7 to move upward, and the injection needle 703 contacts the first sponge roller 11 and the adjustable injection adsorption module 12, and the sponge roller and the adsorption module adsorb and remove any electrolyte remaining on the surface of the injection needle to ensure that the injection needle is clean and tidy. At this time, all components are reset, and the staff needs to check whether the right-angle support 8 is clean, ensure that there is no electrolyte on its surface, and continue with the injection of the next Bluetooth battery.

[0024] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electrolyte injection device for a Bluetooth battery, characterized in that: include: A bottom frame (1), wherein a crossbeam (3) is arranged at the top of the bottom frame (1), and an L-shaped cross plate (6) is installed on the outer wall of one side of the crossbeam (3), and a plurality of electromagnetic liquid injection structures (7) whose positions can be adjusted in the X-axis direction are installed on the outer wall of the crossbeam (3) below the L-shaped cross plate (6), and a liquid injection needle (703) is installed at the liquid outlet end of the electromagnetic liquid injection structure (7), and a lifting drive device (4) for controlling the crossbeam (3), the L-shaped cross plate (6), and the electromagnetic liquid injection structure (7) to lift and lower the Z-axis is installed on one side of the top of the bottom frame (1); A right-angle support platform (8), wherein the right-angle support platform (8) is fixed to the top end of the bottom frame (1), and a bidirectional screw positioning tool (9) for fixing a Bluetooth battery is provided at the bottom end of the bottom frame (1) below the right-angle support platform (8); Axle plates (10), wherein two of the axle plates (10) are provided, and the two axle plates (10) are symmetrically fixed on the outer wall of one side of the crossbeam (3); a first sponge roller (11) is rotatably mounted between the two axle plates (10); the first sponge roller (11) is used to contact the outer wall surface of the injection needle (703); an adjustable injection adsorption module (12) is arranged at the top end of the bottom frame (1); the injection needle (703) passes between the first sponge roller (11) and the adjustable injection adsorption module (12); a PLC control panel (5) is installed on one side of the top end of the bottom frame (1); the output end of the PLC control panel (5) is electrically connected to the input end of the lifting drive device (4), the electromagnetic injection structure (7), and the adjustable injection adsorption module (12), respectively.

2. The electrolyte injection device for a Bluetooth battery according to claim 1, characterized in that: The electromagnetic liquid injection structure (7) comprises a guide rail fixed on the outer wall of one side of the crossbeam (3), a plurality of slide seats (701) slidably mounted on one end of the guide rail surface, and an electromagnetic valve (702) mounted at the bottom of the slide seat (701); the liquid injection needle (703) is mounted at the liquid outlet end of the electromagnetic valve (702); and an internal threaded hole is provided on one side of the top end of the slide seat (701).

3. The electrolyte injection device for a Bluetooth battery according to claim 2, characterized in that: The bottom of the L-shaped horizontal plate (6) is provided with a straight slot (601), and the upper surface of the L-shaped horizontal plate (6) is provided with a positioning bolt (602) which penetrates the outside of the straight slot (601) and is screwed into the internal threaded hole.

4. The electrolyte injection device for a Bluetooth battery according to claim 2, characterized in that: The lifting drive device (4) comprises a support frame (401) fixed to one side of the top end of the bottom frame (1), a cylinder (402) installed at the top end of the support frame (401), and a boss (404) at one side of the back of the crossbeam (3), the bottom end of the piston rod of the cylinder (402) being fixedly connected to the top end of the boss (404), guide rods (403) being fixed to both sides of the top end of the boss (404), and the top end of the guide rod (403) extending upward and penetrating to the outside of the support frame (401).

5. The electrolyte injection device for a Bluetooth battery according to claim 4, characterized in that: Both sides of the top of the bottom frame (1) are provided with lifting guide members (2), the lifting guide members (2) are composed of a T-shaped vertical plate (201) and a column (202), the T-shaped vertical plate (201) is fixed to one side of the top of the bottom frame (1), the column (202) is fixed to the outer wall of the T-shaped vertical plate (201) on one side close to the cross beam (3), and convex sliding sleeves are fixed to both ends of the back of the cross beam (3), and the convex sliding sleeves are slidably matched with the column (202).

6. The electrolyte injection device for a Bluetooth battery according to claim 1, characterized in that: The bidirectional screw positioning tool (9) comprises a bidirectional screw pulling and traction structure (901) arranged at the top of the bottom frame (1), a flat plate (902) installed at the two movable ends of the bidirectional screw pulling and traction structure (901), and steel columns (903) fixed on both sides of the top of the flat plate (902), another flat plate (902) is installed at the top of the steel column (903), and a plurality of vacuum suction cups (904) are installed on the outer wall of one side of the other flat plate (902), and the plane portion of the right-angle support platform (8) is located between the two flat plates (902) in the vertical direction.

7. The electrolyte injection device for a Bluetooth battery according to claim 4, characterized in that: The adjustable liquid injection adsorption module (12) comprises a square-mouthed horizontal arm (1201) fixed on an outer wall of one side of a support frame (401), a U-shaped frame (1202) bolted and fixed at both ends of the surface of the square-mouthed horizontal arm (1201), a connecting shaft (1203) rotatably mounted between the two U-shaped frames (1202), and a shaft shell (1204) fixed at both ends of the surface of the connecting shaft (1203), a second sponge roller (1205) rotatably mounted between the two shaft shells (1204), and a screw-type angle adjustment structure (1207) for forcing the shaft shell (1204) and the second sponge roller (1205) to rotate around the connecting shaft (1203) is installed inside the U-shaped frame (1202).

8. The electrolyte injection device for a Bluetooth battery according to claim 7, characterized in that: A sprocket drive unit (1206) for driving the second sponge roller (1205) to rotate is installed on one side outer wall of one of the shaft housings (1204); the sprocket drive unit (1206) is composed of a motor, a sprocket transmission structure and a chain cover; the chain cover is fixed on one side outer wall of the shaft housing (1204); the motor is installed on the side outer wall of the chain cover away from the shaft housing (1204); and the sprocket transmission structure is used to connect the motor output shaft and the second sponge roller (1205).

9. The electrolyte injection device for a Bluetooth battery according to claim 7, characterized in that: The screw-type angle adjustment structure (1207) comprises a square internal thread sleeve hingedly mounted on the bottom end of the U-shaped frame (1202) and a square nut pair hingedly mounted on the bottom end of the shaft housing (1204), a screw being mounted inside the square internal thread sleeve, one end of the screw extending through the outside of the square nut pair, and a hand wheel being mounted on the other end of the screw.

10. A method for injecting electrolyte into a Bluetooth battery, comprising the electrolyte injecting device for a Bluetooth battery as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S101: Check the position and stability of the right-angle support (8) and the bidirectional screw positioning tool (9), and place the Bluetooth battery to be injected with electrolyte on the right-angle support (8), while the bidirectional screw positioning tool (9) firmly fixes the Bluetooth battery. At the same time, the staff adjusts the position of each electromagnetic injection structure (7) one by one according to the injection hole position of the Bluetooth battery, so that the electromagnetic injection structure (7) is located directly above the injection hole of the Bluetooth battery; S102: After the workpiece is fixed and the equipment is debugged, the staff starts the lifting drive device (4) through the PLC control panel (5) to start working. At this time, the setting parameters are input through the panel on the PLC control panel (5). The setting parameters include the injection amount, injection time and the lifting height of the crossbeam (3), the L-shaped cross plate (6) and the electromagnetic injection structure (7). The PLC control panel (5) forces the lifting drive device (4) to drive the crossbeam (3), the L-shaped cross plate (6) and the electromagnetic injection structure (7) to move downward according to the set parameters, so that the injection needle (703) of the electromagnetic injection structure (7) accurately enters the injection hole of the battery through the lifting device, and the electromagnetic injection structure (7) is controlled by the electromagnetic valve to start the electrolyte injection, and the electrolyte flows into the battery through the injection needle (703); S103: Once the PLC control panel (5) indicates that the injection amount has reached the set standard, the electromagnetic injection structure (7) automatically stops injecting liquid, and the staff then checks the batteries to ensure that the amount of electrolyte in each battery is within the specified range; S104: After the injection is completed, the lifting drive device (4) drives the cross beam (3), the L-shaped cross plate (6), and the electromagnetic injection structure (7) to move upward, and the injection needle (703) contacts the first sponge roller (11) and the adjustable injection adsorption module (12). The sponge roller and the adsorption module adsorb and remove any electrolyte remaining on the surface of the injection needle (703) to ensure that the injection needle (703) is clean and tidy. At this time, all components are reset, and the staff needs to check whether the right-angle support (8) is clean and ensure that there is no electrolyte on its surface, and then continue the injection of the next Bluetooth battery.

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