Nail pulling device

Abstract

The utility model relates to the technical field of battery processing, and discloses a nail pulling device which is characterized in that a formed nail on a battery is pulled out through a nail pulling clamping jaw, and after the nail pulling clamping jaw throws the nail, a second driving piece drives a material removing piece to move in the vertical direction so as to enable the material removing piece to remove electrolyte crystals on a clamping wall surface. When the nail pulling clamping jaw carries out nail pulling work on a next battery, due to the fact that electrolyte crystals on the nail pulling clamping jaw are removed by the material removing piece, the nail pulling clamping jaw cannot be influenced by the electrolyte crystals when clamping a next formation nail, the formation nail can be accurately clamped, namely, the nail pulling device can prevent the electrolyte crystals from influencing pulling away of the formation nail by the nail pulling clamping jaw, and the nail pulling effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of battery processing, in particular to a nail pulling device. Background Art

[0002] After the battery is formed at high temperature, the liquid injection port is sealed with a formation nail. The formation nail needs to be pulled out before the second liquid injection. In the related art, the formation nail will bring out some electrolyte when being pulled out by the nail pulling claw, and the electrolyte is easy to stick to the wall surface where the nail pulling claw contacts the formation nail to form crystals. The presence of electrolyte crystals can easily cause the nail pulling claw to be unable to accurately clamp the formation nail in the next nail pulling action, thereby causing the nail pulling claw to be unable to pull out the formation nail. Utility Model Content

[0003] The primary purpose of the utility model is to provide a nail pulling device, which can prevent electrolyte crystallization from affecting the clamping claws in pulling out the formed nails.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a nail pulling device for removing the formation nails provided on the battery, comprising a conveying frame, a nail pulling assembly and a driving assembly;

[0005] The conveying rack has a conveying channel for conveying batteries;

[0006] The driving assembly is arranged on the conveyor frame;

[0007] The nail pulling assembly is arranged on the conveying channel, and the nail pulling assembly is connected to the driving assembly, and the driving assembly is used to drive the nail pulling assembly to move in a vertical direction;

[0008] The nail pulling assembly includes a nail pulling clamp, a material removing member, a first driving member and a second driving member.

[0009] The first driving member is connected to the nail pulling claw, and the first driving member is used to drive the nail pulling claw to pull out the chemical nail;

[0010] The nail pulling clamp has a clamping wall for contacting the formed nail, and the second driving member is connected to the material removal member. The second driving member is used to drive the material removal member to move along the vertical direction when the nail pulling clamp is in a loose state, so that the material removal member removes the electrolyte crystals on the clamping wall.

[0011] In a specific embodiment of the present invention, the nail pulling clamp has a clamping center axis, and the nail pulling clamp includes at least two claw bodies, each of which is provided at one end of the first driving member and arranged around the clamping center axis, and the claw body has the clamping wall surface, and the clamping wall surface faces the clamping center axis.

[0012] When the nail pulling clamp is in the released state, the first driving member drives each of the claws to translate toward the clamping center axis, so that the nail pulling clamp clamps the formed nail;

[0013] When the nail pulling clamp is in the clamping state, the first driving member drives each of the claws to translate away from the clamping center axis, so that the nail pulling clamp releases the formed nail.

[0014] In a specific embodiment of the present invention, the first driving member has a first through hole penetrating along the vertical direction;

[0015] The second driving member is arranged on a side of the first driving member away from the nail pulling claw;

[0016] The material removing member is in a rod shape, the length direction of the material removing member is parallel to the axis direction of the first through hole, and the material removing member is at least partially located in the first through hole;

[0017] The second driving member is used to drive the material removing member to move along the vertical direction so as to extend between the claws.

[0018] In a specific embodiment of the present invention, the nail pulling assembly further comprises a mounting seat, and the mounting seat is connected to the driving assembly;

[0019] In the vertical direction, the first driving member and the second driving member are respectively connected to two opposite ends of the mounting base;

[0020] Wherein, the mounting seat has a second through hole penetrating along the vertical direction, and the material removal piece is inserted into the second through hole.

[0021] In a specific embodiment of the present invention, the claw body includes a connecting portion and a claw portion, the connecting portion is connected to the first driving member, the claw portion is connected to a side of the connecting portion facing away from the first driving member, the claw portion has the clamping wall surface, and an escape space is defined between each of the connecting portions;

[0022] The material removal member includes a main rod body and a material removal block, the material removal block is annular, the material removal block is connected to the outer peripheral wall of the main rod body and is coaxially arranged with the main rod body, the main rod body is connected to the second driving member, and the end of the main rod body close to the mounting seat is inserted into the second through hole, and the main rod body is passed through the first through hole; when the nail pulling claw is in the clamping state, the material removal block is located in the avoidance space.

[0023] In a specific embodiment of the present invention, a positioning assembly is further included. The positioning assembly is connected to the conveyor frame and is used to position the battery on the conveying channel.

[0024] In a specific embodiment of the present invention, the positioning assembly includes a first fixing member, a second fixing member and a third driving member. The first fixing member and the second fixing member are arranged opposite to each other and are respectively located on both sides of the conveying channel along its conveying direction. One of the first fixing member and the second fixing member is fixedly connected to the conveying frame, and the other is connected to the third driving member. The third driving member is used to reduce the distance between the first fixing member and the second fixing member to fix the battery.

[0025] In a specific embodiment of the present invention, it further includes a detection component and a controller;

[0026] The detection component is electrically connected to the controller, and is used to detect whether there are still the formed nails on the battery. The driving component and the detection component are arranged on the conveying frame along the conveying direction of the conveying channel;

[0027] The third driving member is electrically connected to the controller;

[0028] The controller is used to control the operation of the third driving member according to the detection signal of the detection component.

[0029] In a specific embodiment of the present invention, the detection component includes a light curtain sensor, which is used to generate a light curtain located above the conveying channel, and the light curtain is parallel to the conveying direction of the conveying frame.

[0030] In a specific embodiment of the present invention, it further comprises a material receiving funnel and a material collecting trough;

[0031] The material receiving funnel is arranged on the material collecting trough;

[0032] The driving assembly is also used to drive the nail pulling assembly to move in a horizontal direction.

[0033] The nail pulling device of the embodiment of the present invention has the following advantages compared with the prior art:

[0034] The nail pulling device of the utility model is in a normally released state of the nail pulling clamping claw. When it is necessary to pull out the formation nail on the battery, the driving assembly drives the nail pulling assembly to move vertically toward the conveying channel to the position of the battery formation nail, and then the first driving member drives the nail pulling clamping claw to switch to the clamping state so that the clamping wall surface of the nail pulling clamping claw clamps the formation nail. Thereafter, the driving assembly drives the nail pulling assembly to move in the vertical direction back to the conveying channel, thereby pulling the formation nail out from the battery. When it is necessary to throw a nail, the first driving member drives the nail pulling claw to switch to a loosened state, so that the nail pulling claw releases the formed nail so as to carry out the nail pulling work of the next battery. After releasing the formed nail, the second driving member drives the material removing member to move in a vertical direction, so that the material removing member removes the electrolyte crystals on the clamping wall surface. As a result, when the nail pulling claw pulls out the nail of the next battery, the electrolyte crystals on it are removed by the material removing member. Therefore, when the nail pulling claw clamps the next formed nail, it will not be affected by the electrolyte crystals, so that the formed nail can be clamped accurately. That is, the nail pulling device can prevent the electrolyte crystals from affecting the nail pulling claw to pull out the formed nail, and the nail pulling effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a three-dimensional structural diagram of a nail pulling device according to an embodiment of the present invention;

[0036] Figure 2 This is a three-dimensional structural diagram of the nail pulling assembly according to an embodiment of the present utility model;

[0037] Figure 3 This is a cross-sectional view of a nail pulling assembly according to an embodiment of the present utility model;

[0038] Figure 4 This is an embodiment of the utility model Figure 3 A is an enlarged schematic diagram.

[0039] In the figure, 1. conveyor frame; 2. nail pulling assembly; 21. nail pulling clamp; 210. clamping wall; 211. claw body; 2111. connecting part; 2112. claw part; 22. material removal part; 221. main rod body; 222. material removal block; 23. first driving part; 230. first through hole; 24. second driving part; 25. mounting seat; 250. second through hole; 3. driving assembly; 4. positioning assembly; 41. first fixing part; 42. second fixing part; 43. third driving part; 5. detection assembly; 6. controller; 7. material receiving funnel; 8. collecting trough; 100. conveying channel; 200. clamping center axis; 300. avoidance space. DETAILED DESCRIPTION

[0040] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0041] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "multiple" refers to two or more, unless otherwise clearly and specifically defined.

[0042] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, direct connections, or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0043] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0044] In the examples, "parallel" refers to the state where the angle formed between two lines, between a line and a plane, or between two planes is between -1° and 1°. Furthermore, "perpendicular" refers to the state where the angle formed between two lines, between a line and a plane, or between two planes is between 89° and 91°. Equal distances, equal angles, or equal areas refer to the state where the tolerance range is between -1% and 1%.

[0045] like Figures 1 to 4As shown, a nail pulling device of a preferred embodiment of the present invention is used to pull out the formation nails set on the battery, including a conveying frame 1, a nail pulling assembly 2 and a driving assembly 3; the conveying frame 1 has a conveying channel 100 for conveying the battery; the driving assembly 3 is arranged on the conveying frame 1; the nail pulling assembly 2 is arranged on the conveying channel 100, the nail pulling assembly 2 is connected to the driving assembly 3, and the driving assembly 3 is used to drive the nail pulling assembly 2 to move in the vertical direction; the nail pulling assembly 2 includes a nail pulling claw 21, a material removing member 22, a first driving member 23 and a second Driving member 24; the nail pulling jaw 21 has a clamping state and a release state, the first driving member 23 is connected to the nail pulling jaw 21, and the first driving member 23 is used to drive the nail pulling jaw 21 to switch between the clamping state and the release state; the nail pulling jaw 21 has a clamping wall 210 for contacting the formed nail, the second driving member 24 is connected to the material removing member 22, and the second driving member 24 is used to drive the material removing member 22 to move in the vertical direction when the nail pulling jaw 21 is in the release state, so that the material removing member 22 removes the electrolyte crystals on the clamping wall 210.

[0046] In actual application, the nail pulling clamp 21 is in a loose state under normal circumstances. When it is necessary to pull out the formation nail on the battery, the driving component 3 drives the nail pulling component 2 to move vertically toward the conveying channel 100 to the position of the battery formation nail, and then the first driving member 23 drives the nail pulling clamp 21 to switch to the clamping state, so that the clamping wall 210 of the nail pulling clamp 21 clamps the formation nail. Thereafter, the driving component 3 drives the nail pulling component 2 to move in the vertical direction back to the conveying channel 100, thereby pulling out the formation nail from the battery; when it is necessary to throw the nail, the first driving member 23 drives the nail pulling clamp 21 to switch to the loose state, so that The nail pulling clamp 21 releases the formation nail so that the next battery can be pulled out. After releasing the formation nail, the second driving member 24 drives the material removing member 22 to move in the vertical direction so that the material removing member 22 removes the electrolyte crystals on the clamping wall 210. Therefore, when the nail pulling clamp 21 pulls out the next battery, the electrolyte crystals on it are removed by the material removing member 22. Therefore, the nail pulling clamp 21 will not be affected by the electrolyte crystals when clamping the next formation nail, so that the formation nail can be clamped accurately. That is, the nail pulling device can prevent the electrolyte crystals from affecting the nail pulling clamp 21 from pulling out the formation nail, and the nail pulling effect is good.

[0047] like Figure 1As shown, the nail pulling device also includes a receiving funnel 7 and a collecting trough 8; the receiving funnel 7 is arranged above the notch of the collecting trough 8; the driving assembly 3 is also used to drive the nail pulling assembly 2 to move horizontally between the upper part of the conveying channel 100 and the upper part of the receiving funnel 7; specifically, when the nail pulling clamp 21 pulls out the formed nails and throws the nails, the driving assembly 3 drives the nail pulling assembly 2 to move horizontally to the upper part of the receiving funnel 7, and then the first driving member 23 drives the nail pulling clamp 21 to release the formed nails, so that the formed nails are received by the material. The funnel 7 falls into the collecting trough 8, thereby the formed nails can be collected and recovered; and after the nail pulling claws 21 release the formed nails, the material removing member 22 removes the electrolyte crystals on the nail pulling claws 21. At this time, the nail pulling claws 21 are still above the receiving funnel 7, thereby, the electrolyte crystals on the nail pulling claws 21 will also fall into the collecting trough 8 through the receiving funnel 7, which can not only collect the electrolyte crystals, but also prevent the electrolyte crystals from falling onto the conveying channel 100, thereby preventing the electrolyte crystals from entering the next process.

[0048] As one of the implementations of the present application, the driving component 3 is a pneumatic cross slide, and the first driving member 23 and the second driving member 24 are both cylinders.

[0049] like Figure 2 As shown, the nail pulling clamp 21 has a clamping center axis 200, and the nail pulling clamp 21 includes three claw bodies 211, each claw body 211 is provided at one end of the first driving member 23 and arranged around the clamping center axis 200, the claw body 211 has a clamping wall surface 210, and the clamping wall surface 210 faces the clamping center axis 200. When the nail pulling clamp 21 is in the released state, the first driving member 23 drives each claw body 211 to translate toward the clamping center axis 200, so that the nail pulling clamp 21 clamps the formed nail; when the nail pulling clamp 21 is in the clamping state, the first driving member 23 drives each claw body 211 to translate back to the clamping center axis 200, so that the nail pulling clamp 21 releases the formed nail; wherein the first driving member 23 is a cylinder, and the nail pulling clamp 21 of this structure has a simple structure, and the nail pulling clamp 21 is driven by the cylinder to switch between the clamping state and the released state, which is easy to operate and safe and reliable.

[0050] like Figure 3As shown, the first driving member 23 has a first through hole 230 extending vertically therethrough; the second driving member 24 is arranged on the side of the first driving member 23 away from the nail pulling claw 21; the material removing member 22 is rod-shaped, and the length direction of the material removing member 22 is parallel to the axial direction of the first through hole 230, and the material removing member 22 is at least partially located in the first through hole 230; the second driving member 24 is used to drive the material removing member 22 to move vertically to extend between each claw body 211 to remove the electrolyte crystals on the clamping wall 210. In the nail pulling assembly 2 of this structure, since the second driving member 24 is located on the side of the first driving member 23 away from the nail pulling claw 21, the second driving member 24 will not interfere with the operation of the nail pulling claw 21; and a first through hole 230 is provided on the first driving member 23. The first through hole 230 allows the material removing member 22 to move in the vertical direction when removing electrolyte crystals. Therefore, the material removing member 22 can also smoothly remove electrolyte crystals in a rod-shaped manner, and the material removing member 22 has the characteristics of simple structure.

[0051] like Figure 3 As shown, the nail pulling assembly 2 also includes a mounting base 25, which is connected to the driving assembly 3; in the vertical direction, the first driving member 23 and the second driving member 24 are respectively connected to the opposite ends of the mounting base 25; wherein, the mounting base 25 has a second through hole 250 extending along the vertical direction, and the material removal member 22 is inserted into the second through hole 250; in actual application, the first driving member 23 and the second driving member 24 can be connected to the mounting base 25 first, and then the mounting base 25 is connected to the driving assembly 3, that is, based on the setting of the mounting base 25, the nail pulling assembly 2 can form an integral module and then be connected to the driving assembly 3, thereby making it easier to assemble the nail pulling assembly 2 on the driving assembly 3, and the nail pulling assembly 2 has a compact structure.

[0052] When the nail pulling clamp 21 is in the loose state, there is a certain distance between the clamping walls 210 of each claw body 211. Therefore, in order to ensure the effect of removing the electrolyte crystals by the material removing member 22, as shown in FIG. Figure 2 and Figure 3As shown, the claw body 211 includes a connecting portion 2111 and a claw portion 2112, the connecting portion 2111 is connected to the first driving member 23, the claw portion 2112 is connected to the side of the connecting portion 2111 facing away from the first driving member 23, the claw portion 2112 has a clamping wall 210, and an avoidance space 300 is defined between each connecting portion 2111; the material removing member 22 includes a main rod body 221 and a material removing block 222, the material removing block 222 is annular, the material removing block 222 is connected to the outer peripheral wall of the main rod body 221 and is coaxially arranged with the main rod body 221, the main rod body 221 is connected to the second driving member 24, and the main rod body 221 is inserted into the second through hole 2 50, and is passed through the first through hole 230; when the nail pulling clamp 21 is in the clamping state, the material removal block 222 is located in the avoidance space 300; when it is necessary to remove the electrolyte crystals on the clamping wall 210, the nail pulling clamp 21 is in the loosened state, and the second driving member 24 drives the main rod body 221 to move in the vertical direction toward the side where the nail pulling clamp 21 is located, so that the material removal block 222 pushes away the electrolyte crystals on the clamping wall 210. Therefore, based on the existence of the avoidance space 300, the material removal block 222 will neither interfere with the normal work of the nail pulling clamp 21 in clamping and pulling out the formed nails, nor ensure the normal removal of the electrolyte crystals.

[0053] Further, such as Figure 4 As shown, when the material removal block 222 is located between the claws 2112, the distance between the outer wall of the material removal block 222 and the clamping wall 210 is L mm, 2≤L≤3. Therefore, when the material removal block 222 removes electrolyte crystals, the outer wall of the material removal block 222 will not generate friction with the clamping wall 210, which can avoid the generation of dust and ensure the cleanliness of the production environment. When L meets the above range, the material removal block 222 can effectively remove the electrolyte crystals on the clamping wall 210 that affect the clamping of the formation nails.

[0054] like Figure 1 As shown, the nail pulling device also includes a positioning component 4, which is connected to the conveyor frame 1. The positioning component 4 is used to position the battery on the conveying channel 100. In actual application, when the battery is conveyed to the bottom of the nail pulling component 2 through the conveying channel 100, the positioning component 4 fixes the position of the battery to ensure that the nail pulling work proceeds smoothly.

[0055] Among them, the positioning assembly 4 includes a first fixing member 41, a second fixing member 42 and a third driving member 43. The first fixing member 41 and the second fixing member 42 are arranged opposite to each other and are respectively located on both sides of the conveying channel 100 along its conveying direction. One of the first fixing member 41 and the second fixing member 42 is fixedly connected to the conveying frame 1, and the other is connected to the third driving member 43. The third driving member 43 is used to reduce the distance between the first fixing member 41 and the second fixing member 42 to fix the battery. As a specific implementation of this embodiment, the second fixing member 42 and the third driving member 43 are fixed to the conveying frame 1, the first fixing member 41 is located between the second fixing member 42 and the third driving member 43, the first fixing member 41 is connected to the third driving member 43, and the third driving member 43 drives the first fixing member 41 to move close to or away from the second driving member 24 to achieve the fixing and release of the battery. The first fixing member 41 and the second fixing member 42 are both plate-shaped structures, which fix the position of the battery by clamping, and have relatively high reliability.

[0056] like Figure 1 As shown, the nail pulling device further includes a detection assembly 5 and a controller 6. The detection assembly 5 is electrically connected to the controller 6 and is used to detect whether there are still formed nails on the battery. The drive assembly 3 and the detection assembly 5 are disposed on the conveyor frame 1 along the conveying direction of the conveying channel 100. A third driving member 43 is electrically connected to the controller 6. The controller 6 is used to control the operation of the third driving member 43 based on the detection signal from the detection assembly 5. In actual application, after the nail pulling assembly 2 completes the nail pulling operation, the detection assembly 5 detects whether there are still formed nails on the battery. If no formed nails are detected on the battery, the detection assembly 5 generates a first signal and transmits the first signal to the controller 6. The controller 6 controls the third driving member 43 based on the first signal to release the battery, thereby continuing to convey the battery along the conveying direction of the conveying channel 100. If formed nails are detected on the battery, a second signal is generated. At this time, the third driving member 43 remains in a clamped state, and the operator confirms whether the battery has been removed from the formed nails. Optionally, the nail pulling device further includes an alarm device electrically connected to the controller 6. The controller 6 controls the alarm device based on the second signal to issue an alarm to alert the operator.

[0057] In this embodiment, the third driving member 43 includes a cylinder, an air pipe and a solenoid valve. The solenoid valve is arranged on the air pipe. The air pipe connects the cylinder and the air supply source. The solenoid valve is electrically connected to the controller 6. The controller 6 controls the on and off of the solenoid valve to allow the air supply source to supply air to the cylinder or stop supplying air, thereby controlling the extension or retraction of the cylinder piston rod, thereby controlling the first fixing member 41 to approach or move away from the second driving member 24.

[0058] Among them, the detection component 5 includes a light curtain sensor, which is electrically connected to the controller 6. The light curtain sensor is used to generate a light curtain located above the conveying channel 100. The light curtain is parallel to the conveying direction of the conveyor frame 1. When the battery is fixed on the conveying channel 100 by the positioning component 4, the formation nail at least partially passes through the light curtain. The detection component 5 of this structure has a relatively wide detection range and can effectively determine whether there are any unpulled or tilted formation nails in the upper end area of the battery. Therefore, misjudgment can be avoided and the smooth progress of battery production is ensured.

[0059] As one of the implementation methods of this application, Figure 1 As shown, there are two conveying channels 100. At this time, the number of nail pulling components 2, positioning components 4, and detection components 5 are all two. One nail pulling component 2 is used to pull out the formation nails of the batteries on one conveying channel 100, one positioning component 4 is used to fix the position of the batteries on one conveying channel 100, and one detection component 5 is used to detect the formation nails of the batteries on one conveying channel 100.

[0060] In the present application, the above-mentioned electrical connection can be a wired signal transmission connection or a wireless signal transmission connection, and the present application does not limit this; and the model of the above-mentioned controller 6 can be S7-200SMART, S7-1200, S7-300, S7-400, S7-1500 or a controller 6 familiar to technical personnel in this field, and the present application does not limit this.

[0061] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A nail pulling device for removing formation nails provided on a battery, characterized in that: It comprises a conveying frame (1), a nail pulling assembly (2) and a driving assembly (3); The conveying rack (1) has a conveying channel (100) for conveying batteries; The driving assembly (3) is arranged on the conveyor frame (1); The nail pulling assembly (2) is arranged on the conveying channel (100), the nail pulling assembly (2) is connected to the driving assembly (3), and the driving assembly (3) is used to drive the nail pulling assembly (2) to move in a vertical direction; The nail pulling assembly (2) comprises a nail pulling clamp (21), a material removing member (22), a first driving member (23) and a second driving member (24); The first driving member (23) is connected to the nail pulling clamp (21), and the first driving member (23) is used to drive the nail pulling clamp (21) to pull out the chemical nail; The nail pulling clamp (21) has a clamping wall (210) for contacting the formed nail, and the second driving member (24) is connected to the material removing member (22). The second driving member (24) is used to drive the material removing member (22) to move along the vertical direction when the nail pulling clamp (21) is in a loose state, so that the material removing member (22) removes electrolyte crystals on the clamping wall (210).

2. The nail removal device according to claim 1, characterized in that: The nail pulling clamp (21) has a clamping center axis (200), and the nail pulling clamp (21) includes at least two claw bodies (211), each of the claw bodies (211) is arranged at one end of the first driving member (23) and arranged around the clamping center axis (200), and the claw body (211) has the clamping wall surface (210), and the clamping wall surface (210) faces the clamping center axis (200).

3. The nail pulling device according to claim 2, characterized in that: The first driving member (23) has a first through hole (230) penetrating along the vertical direction; The second driving member (24) is arranged on a side of the first driving member (23) away from the nail pulling clamp (21); The material removing member (22) is rod-shaped, the length direction of the material removing member (22) is parallel to the axial direction of the first through hole (230), and the material removing member (22) is at least partially located in the first through hole (230); The second driving member (24) is used to drive the material removing member (22) to move along the vertical direction so as to extend between the claw bodies (211).

4. The nail pulling device according to claim 3, characterized in that: The nail pulling assembly (2) further includes a mounting seat (25), and the mounting seat (25) is connected to the driving assembly (3); In the vertical direction, the first driving member (23) and the second driving member (24) are respectively connected to opposite ends of the mounting seat (25); The mounting seat (25) has a second through hole (250) extending along the vertical direction, and the material removal member (22) is inserted into the second through hole (250).

5. The nail pulling device according to claim 4, characterized in that: The claw body (211) comprises a connecting portion (2111) and a claw portion (2112), wherein the connecting portion (2111) is connected to the first driving member (23), and the claw portion (2112) is connected to a side of the connecting portion (2111) facing away from the first driving member (23), and the claw portion (2112) has the clamping wall surface (210), and an escape space (300) is defined between each of the connecting portions (2111); The material removing member (22) comprises a main rod body (221) and a material removing block (222), wherein the material removing block (222) is annular, and the material removing block (222) is connected to the outer peripheral wall of the main rod body (221) and is coaxially arranged with the main rod body (221), the main rod body (221) is connected to the second driving member (24), and one end of the main rod body (221) close to the mounting seat (25) is inserted into the second through hole (250), and the main rod body (221) is passed through the first through hole (230); when the nail pulling clamp (21) is in a clamping state, the material removing block (222) is located in the avoidance space (300).

6. The nail removal device according to claim 1, characterized in that: It also includes a positioning component (4), which is connected to the conveying frame (1), and the positioning component (4) is used to position the battery on the conveying channel (100).

7. The nail removal device according to claim 6, characterized in that: The positioning assembly (4) comprises a first fixing member (41), a second fixing member (42) and a third driving member (43). The first fixing member (41) and the second fixing member (42) are arranged opposite to each other and are respectively located on both sides of the conveying channel (100) along its conveying direction. One of the first fixing member (41) and the second fixing member (42) is fixedly connected to the conveying frame (1), and the other is connected to the third driving member (43). The third driving member (43) is used to reduce the distance between the first fixing member (41) and the second fixing member (42) to fix the battery.

8. The nail removal device according to claim 7, characterized in that: It also includes a detection component (5) and a controller (6); The detection component (5) is electrically connected to the controller (6), and the detection component (5) is used to detect whether the formed nail is on the battery. The driving component (3) and the detection component (5) are arranged on the conveying frame (1) along the conveying direction of the conveying channel (100); The third driving member (43) is electrically connected to the controller (6); The controller (6) is used to control the operation of the third driving member (43) according to the detection signal of the detection component (5).

9. The nail removal device according to claim 8, characterized in that: The detection component (5) includes a light curtain sensor, which is electrically connected to the controller (6). The light curtain sensor is used to generate a light curtain located above the conveying channel (100), and the light curtain is parallel to the conveying direction of the conveying frame (1).

10. The nail removal device according to claim 1, characterized in that: It also includes a material receiving funnel (7) and a material collecting trough (8); The receiving funnel (7) is arranged on the collecting trough (8); The driving assembly (3) is also used to drive the nail pulling assembly (2) to move in a horizontal direction.

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