Lithium battery voltage internal resistance sorting mechanism

Abstract

The utility model belongs to the field of voltage internal resistance sorting, and particularly relates to a lithium battery voltage internal resistance sorting mechanism which comprises a base, a conveying device is arranged at the top of the base, a sorting device is arranged at the top of the base and located above the conveying device, and the conveying device comprises a shunting device and a feeding device. The feeding device is installed on the rear side of the top of the base. The flow dividing device is installed on the top of the base and located on the front side of the feeding device. The conveying device and the sorting device are installed through the arrangement of the base, the square lithium batteries to be detected are conveyed through the arrangement of the shunting device and the feeding device, meanwhile, the square lithium batteries which are detected to be unqualified are sent out, the square lithium batteries can be classified conveniently, and the detection efficiency is improved. Through the arrangement of the sorting device, the voltage and internal resistance of the square lithium batteries are detected, and qualified and unqualified square lithium batteries are sent out through the feeding device and the shunting device, so that a large batch of square lithium batteries can be detected.

Description

Technical Field

[0001] The utility model relates to the field of voltage and internal resistance sorting, in particular to a voltage and internal resistance sorting mechanism for lithium batteries. Background Technique

[0002] Square lithium batteries usually refer to aluminum shell square lithium batteries. Lithium ion batteries are divided into square lithium batteries, cylindrical lithium batteries and button lithium batteries according to their shapes; according to the outer packaging materials, they are divided into: aluminum shell lithium batteries, steel shell lithium ion batteries, and soft-pack lithium batteries; according to the cathode materials, they are mainly divided into: lithium cobaltate, nickel cobalt manganese, nickel cobalt aluminum, lithium iron phosphate, lithium ferrous phosphate, lithium manganate, and lithium polymer batteries.

[0003] The electrode plates of square lithium batteries are made of the same material, but in actual production, due to welding differences, the voltage and internal resistance of the electrode plates of square lithium batteries often vary after encapsulation. The voltage and internal resistance exist but need to be within a certain range. Due to welding differences, the voltage and internal resistance of square lithium batteries are different. Therefore, it is necessary to sort them. Traditional sorting is often carried out manually by personnel, which leads to a slow sorting speed when facing large-scale production, affecting the production speed. Therefore, technical personnel in this field have provided a voltage and internal resistance sorting mechanism for lithium batteries to solve the problems raised in the above background technique. Content of the Utility Model

[0004] In order to make up for the deficiencies of the prior art, the problem that traditional sorting is often carried out manually by personnel, which leads to a slow sorting speed when facing large-scale production and affects the production speed, the utility model proposes a voltage and internal resistance sorting mechanism for lithium batteries.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a voltage and internal resistance sorting mechanism for lithium batteries, including a base, a conveying device is arranged on the top of the base, a sorting device is arranged above the conveying device on the top of the base, the conveying device includes a shunting device and a feeding device, the feeding device is installed at the rear side of the top of the base, and the shunting device is installed on the top of the base and is located in front of the feeding device;

[0006] The sorting device includes an arched mounting frame, the arched mounting frame is installed on the top of the base and is located in front of the feeding device, a first mounting plate is arranged at the rear side inside the arched mounting frame, a second mounting plate is arranged at the bottom of the first mounting plate, two contact electrodes are fixedly installed at the bottom of the second mounting plate, an L-shaped mounting frame is fixedly installed at the rear side of the first mounting plate, a push plate is arranged at the front side of the L-shaped mounting frame, the push plate is located below the contact electrodes, and a touch-type processing display is fixedly installed on the right side of the arched mounting frame.

[0007] Preferably, a first electric push rod is fixedly installed on the rear side of the L-shaped mounting bracket, and the output end of the first electric push rod penetrates through the L-shaped mounting bracket and is fixedly connected to the rear side of the push plate.

[0008] Preferably, a second electric push rod is fixedly installed on the top of the arched mounting bracket, and the output end of the second electric push rod penetrates through the arched mounting bracket and is fixedly connected to the top of the first mounting plate.

[0009] Preferably, four buffer springs are fixedly installed at the bottom of the first mounting plate, the bottom of the buffer springs is fixedly connected to the top of the second mounting plate, a wire is fixedly installed at the top of the second mounting plate, the top of the wire penetrates through the first mounting plate and extends above the first mounting plate, and the bottom of the wire is electrically connected to the top of the contact electrode.

[0010] Preferably, two limiting through grooves are formed inside the first mounting plate, a limiting rod is inserted inside the limiting through grooves, and the bottom of the limiting rod is fixedly connected to the top of the second mounting plate.

[0011] Preferably, the shunting device includes two first mounting brackets, the first mounting brackets are fixedly installed on the top of the base, a first driving roller is rotatably connected inside the first mounting bracket, and a first conveyor belt is drivingly connected to the surface of the first driving roller.

[0012] Preferably, a first motor is fixedly installed on the right side of the first mounting bracket, and the output end of the first motor penetrates through the first mounting bracket and is fixedly connected to the right side of the first driving roller.

[0013] Preferably, the feeding device includes two second mounting brackets, the two second mounting brackets are respectively fixedly installed on both sides of the top of the base, a second driving roller is drivingly connected inside the second mounting bracket, and a second conveyor belt is drivingly connected to the surface of the second driving roller.

[0014] Preferably, a second motor is fixedly installed on the front side of the second mounting bracket, and the output end of the second motor penetrates through the second mounting bracket and is fixedly connected to the front side of the second driving roller.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The present utility model is provided with a base for installing the conveying device and the sorting device, and is provided with a shunting device and a feeding device for conveying the square lithium batteries to be detected, and at the same time sending out the unqualified square lithium batteries, which is convenient for classifying the square lithium batteries. The sorting device is provided for detecting the voltage and internal resistance of the square lithium batteries, and sending out the qualified and unqualified square lithium batteries through the feeding device and the shunting device respectively, which is convenient for detecting a large number of square lithium batteries. Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a rear structural schematic diagram of the sorting device of the present invention;

[0020] Figure 3 It is a structural schematic diagram of the shunt device of the present invention;

[0021] Figure 4 It is a structural schematic diagram of the feeding device of the present invention;

[0022] Figure 5 It is a structural schematic diagram of the detection device of the present invention.

[0023] In the figure: 1, base; 2, conveying device; 201, shunt device; 2011, first mounting rack; 2012, first driving roller; 2013, first conveyor belt; 2014, first motor; 202, feeding device; 2021, second mounting rack; 2022, second driving roller; 2023, second conveyor belt; 2024, second motor; 3, sorting device; 301, arched mounting rack; 302, first electric push rod; 303, second electric push rod; 304, L-shaped mounting rack; 305, first mounting plate; 306, second mounting plate; 307, buffer spring; 308, limiting rod; 309, wire; 310, limiting through groove; 311, push plate; 312, contact electrode; 4, touch-type processing display. Detailed Description of the Embodiments

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0025] The following further elaborates on this application in detail Figures 1-5 and makes a further detailed description of the present application.

[0026] An embodiment of the present application discloses a voltage and internal resistance sorting mechanism for a lithium battery. Refer to Figure 1 , Figure 2 and Figure 5 , a voltage and internal resistance sorting mechanism for a lithium battery, including a base 1. A conveying device 2 is arranged on the top of the base 1. A sorting device 3 is arranged above the conveying device 2 on the top of the base 1. The conveying device 2 includes a shunting device 201 and a feeding device 202. The feeding device 202 is installed at the rear side of the top of the base 1, and the shunting device 201 is installed on the top of the base 1 and is located in front of the feeding device 202;

[0027] The sorting device 3 includes an arched mounting frame 301. The arched mounting frame 301 is installed on the top of the base 1 and is located in front of the feeding device 202. A first mounting plate 305 is arranged at the rear side inside the arched mounting frame 301. A second mounting plate 306 is arranged at the bottom of the first mounting plate 305. Two contact electrodes 312 are fixedly installed at the bottom of the second mounting plate 306. An L-shaped mounting frame 304 is fixedly installed at the rear side of the first mounting plate 305. A push plate 311 is arranged at the front side of the L-shaped mounting frame 304. The push plate 311 is located below the contact electrodes 312. A touch-type processing display 4 is fixedly installed on the right side of the arched mounting frame 301.

[0028] Refer to Figure 2 and Figure 5 , a first electric push rod 302 is fixedly installed at the rear side of the L-shaped mounting frame 304. The output end of the first electric push rod 302 penetrates through the L-shaped mounting frame 304 and is fixedly connected to the rear side of the push plate 311. The first electric push rod 302 is provided to push the push plate 311 to move, so as to push the square lithium battery detected as unqualified on the top of the second conveyor belt 2023 to the top of the first conveyor belt 2013 and send it out, and separate the qualified and unqualified square lithium batteries from the subsequent concentration.

[0029] Refer to Figure 1 and Figure 2 , a second electric push rod 303 is fixedly installed on the top of the arched mounting frame 301. The output end of the second electric push rod 303 penetrates through the arched mounting frame 301 and is fixedly connected to the top of the first mounting plate 305. The second electric push rod 303 is provided to push the first mounting plate 305 and the second mounting plate 306 to descend, so that the contact electrodes 312 descend and contact the positive and negative electrodes on the top of the square lithium battery, realizing the detection of the electrodes and the internal voltage and internal resistance of the square lithium battery.

[0030] Refer to Figure 2 and Figure 5, four buffer springs 307 are fixedly installed at the bottom of the first mounting plate 305. The bottom of the buffer springs 307 is fixedly connected to the top of the second mounting plate 306. A wire 309 is fixedly installed at the top of the second mounting plate 306. The top of the wire 309 penetrates through the first mounting plate 305 and extends above the first mounting plate 305. The bottom of the wire 309 is electrically connected to the top of the contact electrode 312. The buffer springs 307 are provided to buffer the second mounting plate 306 and the contact electrode 312, avoiding the square lithium battery being crushed by the second mounting plate 306 and the contact electrode 312 under the pressure of the second electric push rod 303. The wire 309 is provided to send the detected data to the inside of the touch-type processing display 4 for processing and display by the touch-type processing display 4, and at the same time, control the first electric push rod 302 and the push plate 311 to handle the unqualified square lithium batteries.

[0031] Refer to Figure 5 , two limiting through grooves 310 are formed inside the first mounting plate 305. A limiting rod 308 is inserted into the limiting through grooves 310. The bottom of the limiting rod 308 is fixedly connected to the top of the second mounting plate 306. The cooperation between the limiting through grooves 310 and the limiting rod 308 is used to stabilize the second mounting plate 306, avoiding the problem that the second mounting plate 306 shakes during lifting due to the lack of lateral restraint force of the buffer springs 307, which in turn affects the accurate docking of the contact electrode 312 with the electrodes of the square lithium battery.

[0032] Refer to Figure 1 and Figure 3 , the shunt device 201 includes two first mounting frames 2011. The first mounting frames 2011 are fixedly installed on the top of the base 1. A first driving roller 2012 is rotatably connected inside the first mounting frame 2011. A first conveyor belt 2013 is drivingly connected to the surface of the first driving roller 2012. The cooperation between the first driving roller 2012 and the first conveyor belt 2013 is used to send out the unqualified square lithium batteries.

[0033] Refer to Figure 1 and Figure 3 , a first motor 2014 is fixedly installed on the right side of the first mounting frame 2011. The output end of the first motor 2014 penetrates through the first mounting frame 2011 and is fixedly connected to the right side of the first driving roller 2012. The first motor 2014 is provided to drive the first driving roller 2012 to rotate, thereby driving the first conveyor belt 2013 to rotate and send out the unqualified square lithium batteries.

[0034] Refer to Figure 1 and Figure 4, the feeding device 202 includes two second mounting brackets 2021, which are respectively and fixedly mounted on both sides of the top of the base 1. A second driving roller 2022 is connected to the inside of the second mounting bracket 2021 in a transmission manner. A second conveyor belt 2023 is connected to the surface of the second driving roller 2022 in a transmission manner. The square lithium battery to be detected is sent below the sorting device 3 for detection through the cooperation between the second driving roller 2022 and the second conveyor belt 2023, and at the same time, the qualified square lithium battery is sent out.

[0035] Referring to Figure 1 and Figure 4 , a second motor 2024 is fixedly mounted on the front side of the second mounting bracket 2021. The output end of the second motor 2024 penetrates through the second mounting bracket 2021 and is fixedly connected to the front side of the second driving roller 2022. The second motor 2024 is provided to drive the second driving roller 2022 to rotate, thereby driving the second conveyor belt 2023 to rotate to convey the square lithium battery.

[0036] Working principle: Place the square lithium battery to be detected on the top of the second conveyor belt 2023, control the second motor 2024 to start through the touch-type processing display 4, drive the second conveyor belt 2023 to rotate through the second motor 2024, thereby driving the square lithium battery to move to the bottom of the second mounting plate 306, and then stop the square lithium battery at the bottom of the second mounting plate 306 by turning off the second motor 2024. Control the second electric push rod 303 to start through the touch-type processing display 4, and push the first mounting plate 305 and the second mounting plate 306 to descend through the second electric push rod 303. As the second mounting plate 306 descends, the contact electrode 312 contacts the electrode on the top of the square lithium battery. At the same time, charge and discharge are carried out through the wire 309, and the flowing result of the current is transmitted to the inside of the touch-type processing display 4 for voltage and internal resistance detection. If it is qualified, control the second motor 2024 to continue driving the second conveyor belt 2023 and the lithium battery to move through the touch-type processing display 4. If it is unqualified, drive the first electric push rod 302 to push the push plate 311 to push the lithium battery on the top of the second conveyor belt 2023 to the top of the first conveyor belt 2013 through the touch-type processing display 4, and at the same time control the first motor 2014 to drive the first driving roller 2012 to drive the first conveyor belt 2013 and the square lithium battery to move and discharge the square lithium battery for centralized collection.

[0037] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A voltage and internal resistance sorting mechanism for a lithium battery, characterized in that: It includes a base (1), a conveying device (2) is arranged on the top of the base (1), a sorting device (3) is arranged on the top of the base (1) and above the conveying device (2), the conveying device (2) includes a shunting device (201) and a feeding device (202), the feeding device (202) is installed at the rear side of the top of the base (1), and the shunting device (201) is installed on the top of the base (1) and at the front side of the feeding device (202); The sorting device (3) includes an arched mounting frame (301), the arched mounting frame (301) is installed on the top of the base (1) and at the front side of the feeding device (202), a first mounting plate (305) is arranged at the rear side inside the arched mounting frame (301), a second mounting plate (306) is arranged at the bottom of the first mounting plate (305), two contact electrodes (312) are fixedly installed at the bottom of the second mounting plate (306), an L-shaped mounting frame (304) is fixedly installed at the rear side of the first mounting plate (305), a push plate (311) is arranged at the front side of the L-shaped mounting frame (304), the push plate (311) is located below the contact electrodes (312), and a touch-type processing display (4) is fixedly installed on the right side of the arched mounting frame (301).

2. The voltage and internal resistance sorting mechanism for a lithium battery according to claim 1, wherein: A first electric push rod (302) is fixedly installed at the rear side of the L-shaped mounting frame (304), and the output end of the first electric push rod (302) penetrates through the L-shaped mounting frame (304) and is fixedly connected to the rear side of the push plate (311).

3. The voltage and internal resistance sorting mechanism for a lithium battery according to claim 1, characterized in that: A second electric push rod (303) is fixedly installed at the top of the arched mounting frame (301), and the output end of the second electric push rod (303) penetrates through the arched mounting frame (301) and is fixedly connected to the top of the first mounting plate (305).

4. A voltage and internal resistance sorting mechanism for a lithium battery according to claim 1, characterized in that: Four buffer springs (307) are fixedly installed at the bottom of the first mounting plate (305), the bottom of the buffer springs (307) is fixedly connected to the top of the second mounting plate (306), a wire (309) is fixedly installed at the top of the second mounting plate (306), the top of the wire (309) penetrates through the first mounting plate (305) and extends above the first mounting plate (305), and the bottom of the wire (309) is electrically connected to the top of the contact electrode (312).

5. The voltage and internal resistance sorting mechanism of a lithium battery according to claim 1, characterized in that: Two limiting through grooves (310) are formed inside the first mounting plate (305), a limiting rod (308) is inserted inside the limiting through grooves (310), and the bottom of the limiting rod (308) is fixedly connected to the top of the second mounting plate (306).

6. The voltage and internal resistance sorting mechanism of a lithium battery according to claim 1, characterized in that: The shunting device (201) includes two first mounting frames (2011), the first mounting frames (2011) are fixedly installed on the top of the base (1), a first driving roller (2012) is rotatably connected inside the first mounting frames (2011), and a first conveyor belt (2013) is drivingly connected to the surface of the first driving roller (2012).

7. A voltage and internal resistance sorting mechanism for a lithium battery according to claim 6, characterized in that: A first motor (2014) is fixedly installed on the right side of the first mounting bracket (2011), and the output end of the first motor (2014) penetrates through the first mounting bracket (2011) and is fixedly connected to the right side of the first driving roller (2012).

8. A voltage and internal resistance sorting mechanism for a lithium battery according to claim 1, characterized in that: The feeding device (202) includes two second mounting brackets (2021), and the two second mounting brackets (2021) are respectively fixedly installed on both sides of the top of the base (1). A second driving roller (2022) is drivingly connected inside the second mounting bracket (2021), and a second conveyor belt (2023) is drivingly connected to the surface of the second driving roller (2022).

9. The voltage and internal resistance sorting mechanism of a lithium battery according to claim 8, characterized in that: A second motor (2024) is fixedly installed on the front side of the second mounting bracket (2021), and the output end of the second motor (2024) penetrates through the second mounting bracket (2021) and is fixedly connected to the front side of the second driving roller (2022).

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