Nail pulling clamping jaw and nail pulling device
By introducing a telescopic component into the nail-pulling jaws, the sticking problem caused by residual electrolyte in the nails was solved, achieving precision and stability in nail pulling and improving the production efficiency of battery manufacturing.
Patent Information
- Application Number
- CN202520172602.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-25
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-25
AI Technical Summary
During battery manufacturing, negative pressure formation may cause electrolyte residue on the surface of the nails, preventing the nail removal claws from properly releasing the nails and affecting subsequent operations.
Design a nail removal gripper, comprising a gripper arm, a telescopic component, and a reset component. By extending and retracting the telescopic component, the adhesive nail is pushed to separate from the gripper arm, preventing the adhesive nail from sticking to the gripping surface.
This ensures that the nail-removing gripper accurately and stably places the nail at the designated position, avoiding interference with subsequent operations and improving the production efficiency of battery manufacturing.
Smart Images

Figure CN223700739U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to battery preparation technical field especially relates to a pull out nail clamp jaw and pull out nail device. BACKGROUND
[0002] Battery liquid injection is a very important production process in battery manufacturing production process, usually including twice liquid injection operation, battery needs to carry out negative pressure formation operation after first liquid injection is completed, through negative pressure formation, electrolyte is better penetrated and distributed to battery's positive and negative pole and diaphragm, and air and bubble in battery are discharged, after negative pressure formation ends, glue nail is used to block injection hole to ensure the sealing of battery internal environment, so as to carry out subsequent secondary liquid injection.
[0003] When secondary liquid injection is carried out, the blocked glue nail needs to be pulled out by using pull out nail clamp jaw first, and then secondary liquid injection work is carried out, because negative pressure formation operation can cause serious abnormal condition of electrolyte overflow, when glue nail is blocked on injection hole, electrolyte remains on the surface of glue nail, the remaining electrolyte has viscosity, so that glue nail is easy to stick on clamp jaw after pull out nail clamp jaw pulls out glue nail, and glue nail cannot be normally released, thereby affecting the next round of pull out nail operation. UTILITY MODEL CONTENTS
[0004] The utility model aims at the above-mentioned technical problem, provides a pull out nail clamp jaw and pull out nail device to solve the above-mentioned technical problem.
[0005] Therefore, the utility model provides a pull out nail clamp jaw, which comprises at least two clamp jaw arms, and the clamp jaw arm further comprises:
[0006] A clamping surface is arranged on the clamp jaw arm and used for clamping the glue nail in the first direction.
[0007] A mounting hole is arranged on the clamp jaw arm in the first direction, and one end of the mounting hole penetrates through the clamping surface.
[0008] A telescopic assembly is arranged in the mounting hole and can be telescoped in the first direction.
[0009] When the telescopic assembly is in the extended state, the head of the telescopic assembly can be extended out of the clamping surface in the first direction, and when the telescopic assembly is in the retracted state, the head of the telescopic assembly is retracted into the mounting hole.
[0010] Further, the telescopic assembly comprises:
[0011] An abutting piece is movably arranged in the mounting hole in the first direction.
[0012] A reset piece is arranged in the mounting hole and abuts against the abutting piece.
[0013] The reset member is used for resetting the abutting member to move along the first direction.
[0014] Further, the telescopic assembly further comprises:
[0015] The fixing member is installed in the mounting hole, and the fixing member is provided with a storage cavity.
[0016] The abutting member and the reset member are both installed in the fixing member, and the end of the abutting member can extend out of the fixing member along the first direction.
[0017] Further, the mounting hole comprises:
[0018] The threaded segment is threadedly connected with the fixing member;
[0019] The limiting segment is connected with the threaded segment, and the limiting segment is located on the side close to the clamping surface;
[0020] The limiting segment is used for limiting the tightening of the head end of the fixing member.
[0021] Further, the limiting member is installed on the clamping jaw arm, and is used for abutting and limiting the tail end of the fixing member.
[0022] Further, the clamping jaw arm is further provided with a stepped groove, one end of the mounting hole penetrates through the stepped groove, and the limiting member is installed on the stepped groove.
[0023] Further, the limiting member is a limiting plate, and the limiting plate is connected with the clamping jaw arm through a fastener.
[0024] Further, the clamping surface is an arc-shaped concave structure.
[0025] Further, the telescopic assembly is a ball head plunger.
[0026] A nail pulling device comprises the nail pulling clamping jaw of any one of the above.
[0027] The beneficial effects of the utility model are as follows:
[0028] The nail pulling clamping jaw is provided with the telescopic assembly on the clamping jaw arm, when the nail pulling clamping jaw clamps the rubber nail, the telescopic assembly is pressed and retracted in the mounting hole of the clamping jaw arm, when the nail pulling clamping jaw releases the nail, the two clamping jaw arms are far away from each other, the telescopic assembly is stretched and reset, the head of the telescopic assembly pushes the rubber nail and the clamping jaw arm of the clamping jaw to further separate, thereby preventing the rubber nail from adhering to the clamping surface of the clamping jaw arm, ensuring that the nail pulling clamping jaw can accurately and stably release the nail at a specified position after pulling the nail, and avoiding the influence on subsequent nail pulling operation. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 It is a clamping jaw arm structure schematic view of the utility model;
[0030] Figure 2 is the structure schematic diagram of the clamping state of the utility model;
[0031] Figure 3 is the partial structure sectional view of the clamping jaw arm of the utility model;
[0032] The mark in the figure indicates that:
[0033] 1, clamping jaw arm; 11, clamping surface; 12, mounting hole; 121, threaded section; 122, limiting section; 13, stepped groove; 2, telescopic assembly; 21, abutting piece; 22, reset piece; 23, fixing piece; 3, limiting piece; X, first direction. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0035] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the size of each part shown in the drawings is not drawn according to the actual proportion relationship. The technology, method and equipment known to those skilled in the related art may not be discussed in detail, but should be regarded as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as only exemplary, not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0036] Example 1:
[0037] The present embodiment provides a nail pulling clamp jaw, comprising at least two clamping jaw arms 1, the clamping jaw arm 1 further comprising:
[0038] Clamping surface 11, the clamping surface 11 is used to clamp the rubber nail along the first direction X;
[0039] Mounting hole 12, mounting hole 12 is arranged on the clamping jaw arm 1 along the first direction X, and one end of mounting hole 12 penetrates the clamping surface 11;
[0040] Telescopic assembly 2, telescopic assembly 2 is installed in mounting hole 12, and can be telescopic along the first direction X;
[0041] When the telescopic assembly 2 is in the extended state, the head of the telescopic assembly 2 can extend out of the clamping surface 11 along the first direction X, and when the telescopic assembly 2 is in the retracted state, the head of the telescopic assembly 2 is retracted into the mounting hole 12.
[0042] In the technical solution, the clamping jaw arm 1 is provided with a connecting groove, and the clamping jaw arm 1 is installed on the output end of the driving mechanism through the connecting groove. When the nail pulling clamp is working, at least two clamping jaw arms 1 are driven by the driving mechanism to move towards each other along the first direction X, so that the clamping surfaces 11 of the two clamping jaw arms 1 abut against the rubber nails to be pulled out to clamp the rubber nails. At the same time, the telescopic assembly 2 is pressed to retract into the mounting hole 12 along the first direction X, and then the driving mechanism controls the nail pulling clamp to move upwards to pull out the rubber nails.
[0043] When the pulled-out rubber nails are placed, the driving mechanism controls the two clamping jaw arms 1 to move away from each other along the first direction X, so that the rubber nails are separated from the two clamping surfaces 11. At the same time, the telescopic assembly 2 is reset to the extended state, and the head of the telescopic assembly 2 extends out of the clamping surface 11 to push the rubber nails away from the clamping surface 11, so that the rubber nails can stably fall off the nail pulling clamp.
[0044] In summary, the nail pulling clamp is provided with the telescopic assembly 2 on the clamping jaw arm 1. When the nail pulling clamp clamps the rubber nails, the telescopic assembly 2 is pressed to retract into the mounting hole 12 of the clamping jaw arm 1. When the nail pulling clamp is placed, the two clamping jaw arms 1 move away from each other, and the telescopic assembly 2 is extended and reset. The head of the telescopic assembly 2 pushes the rubber nails away from the clamping jaw arm 1 of the clamp, so as to prevent the rubber nails from sticking to the clamping surface 11 of the clamping jaw arm 1, and ensure that the nail pulling clamp can accurately and stably place the rubber nails at a specified position after pulling out the nails, avoiding the influence of subsequent nail pulling operation.
[0045] Embodiment 2:
[0046] The embodiment provides a nail pulling clamp, which has the following technical features in addition to the technical solutions of the above-mentioned embodiments.
[0047] Further, the telescopic assembly 2 comprises:
[0048] The abutting piece 21 is movably located in the mounting hole 12 along the first direction X;
[0049] The reset piece 22 is installed in the mounting hole 12 and abuts against the abutting piece 21.
[0050] The reset piece 22 is used to reset the abutting piece 21 to move along the first direction X.
[0051] In the technical solution, the telescopic assembly 2 comprises an abutting piece 21 and a reset piece 22, the reset piece 22 can be a spring, a limiting block that can prevent the abutting piece 21 from being separated from the mounting hole 12 is arranged on the mounting hole 12, when the spring is in an extended state, the abutting piece 21 abuts against the limiting block and partially extends out of the mounting hole 12, thereby achieving the effect of pushing the glue nails adhered to the clamping surface 11 away from the clamping surface 11.
[0052] Embodiment 3
[0053] The embodiment provides a nail pulling clamping jaw, in addition to comprising the technical solutions in the above embodiments, further has the following technical features.
[0054] Further, the telescopic assembly 2 further comprises:
[0055] The fixing piece 23 is installed in the mounting hole 12, and the fixing piece 23 is internally provided with a storage cavity;
[0056] The abutting piece 21 and the reset piece 22 are both installed in the fixing piece 23, and the end portion of the abutting piece 21 can extend out of the fixing piece 23 in the first direction X.
[0057] In the technical solution, the fixing piece 23 is arranged to realize the pre-concentrated installation of the abutting piece 21 and the reset piece 22 together, thereby ensuring the connection stability between the abutting piece 21 and the reset piece 22. Then, by installing the fixing piece 23 on the mounting hole 12, the installation and fixation of the telescopic assembly 2 on the clamping jaw arm 1 can be realized, so that the installation of the telescopic assembly 2 is more convenient and has high practicability.
[0058] Embodiment 4
[0059] The embodiment provides a nail pulling clamping jaw, in addition to comprising the technical solutions in the above embodiments, further has the following technical features.
[0060] Further, the mounting hole 12 comprises:
[0061] The threaded segment 121 is threadedly connected with the fixing piece 23;
[0062] The limiting segment 122 is connected with the threaded segment 121, and the limiting segment 122 is located on the side close to the clamping surface 11;
[0063] The limiting segment 122 is used for the tightening limiting of the first end of the fixing piece 23.
[0064] In the technical solution, the mounting hole 12 is composed of a threaded section 121 and a limiting section 122, the fixing member 23 is threadedly connected to the threaded section 121 of the mounting hole 12, and when the fixing member 23 is screwed to the bottom, the limiting section 122 abuts against the fixing member 23, and the abutting member 21 of the telescopic assembly 2 is arranged to protrude from the mounting hole 12 to the clamping surface 11. Through the structural design, the installation and connection of the fixing member 23 on the clamping jaw arm 1 are realized, and the connection stability of the telescopic assembly 2 and the clamping jaw arm 1 is enhanced.
[0065] Embodiment 5:
[0066] The embodiment provides a nail pulling clamping jaw, which comprises the technical solutions in the above embodiments and has the following technical features.
[0067] Further, the limiting member 3 is installed on the clamping jaw arm 1 and used for abutting against and limiting the tail end of the fixing member 23.
[0068] In the technical solution, the limiting member 3 is detachably installed on the clamping jaw arm 1, after the telescopic assembly 2 is connected and fixed to the clamping jaw arm 1 through the fixing member 23, the limiting member 3 is installed and fixed on the clamping jaw arm 1, the tail end of the fixing member 23 is abutted against, the movement of the fixing member 23 in the first direction X is limited, the screwing of the fixing member 23 in the mounting hole 12 is prevented, and the connection stability of the telescopic assembly 2 and the clamping jaw arm 1 is effectively enhanced.
[0069] Further, the clamping jaw arm 1 is further provided with a stepped groove 13, one end of the mounting hole 12 penetrates through the stepped groove 13, and the limiting member 3 is installed on the stepped groove 13.
[0070] The stepped groove 13 can reduce the volume and weight of the clamping jaw arm 1, thereby reducing the input of production materials and improving economic benefits. In addition, the stepped groove 13 can also play a positioning role in the installation of the limiting member 3, which is helpful for the installation and fixation of the limiting member 3 and has high practicability.
[0071] Further, the limiting member 3 is a limiting plate, and the limiting plate is connected to the clamping jaw arm 1 through a fastener. The installation and fixation of the limiting plate on the clamping jaw arm 1 are realized, the movement of the fixing member 23 in the first direction X is limited, and the limiting plate is convenient to disassemble and install and has high practicability.
[0072] Embodiment 6:
[0073] The embodiment provides a nail pulling clamping jaw, which comprises the technical solutions in the above embodiments and has the following technical features.
[0074] Further, the clamping surface 11 is an arc-shaped concave structure.
[0075] In the technical solution, the clamping surface 11 is designed as an arc-shaped concave structure to adapt to the surface shape of the rubber nail, so that the nail pulling clamp jaw has a larger contact area with the rubber nail when clamping the rubber nail, the friction is enhanced, the clamping stability is improved, and the practicality is high.
[0076] Embodiment 7:
[0077] The embodiment provides a nail pulling clamp jaw, in addition to comprising the technical solution of the above embodiment 1, further having the following technical features.
[0078] Further, the telescopic assembly 2 is a ball plunger. The ball plunger is prior art, generally comprising a plunger body, a spring and a ball head, the ball head and the spring correspond to the abutting piece 21 and the reset piece 22 respectively, and the plunger body corresponds to the fixing piece 23. A threaded structure can be arranged on the surface of the plunger body for threaded connection with the mounting hole 12, so as to facilitate the installation and connection of the ball plunger on the clamp jaw arm 1.
[0079] Embodiment 8:
[0080] The embodiment provides a nail pulling device, comprising the nail pulling clamp jaw in any one of the above embodiments 1-7.
[0081] The embodiments of the application are described above in combination with the drawings, and the embodiments and the features in the embodiments in the application can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not restrictive, and a person skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, and all the forms belong to the protection of the application.
Claims
1. A nail-removing gripper, comprising at least two gripper arms (1), characterized in that, The gripper arm (1) further includes: Clamping surface (11), the clamping surface (11) is used to clamp the rubber nail along the first direction (X); Mounting hole (12) is provided on the gripper arm (1) along the first direction (X), and one end of the mounting hole (12) passes through the clamping surface (11); Telescopic component (2), which is installed in the mounting hole (12) and can extend and retract along the first direction (X); When the telescopic component (2) is in the extended state, the head of the telescopic component (2) can extend out of the clamping surface (11) along the first direction (X). When the telescopic component (2) is in the retracted state, the head of the telescopic component (2) retracts into the mounting hole (12).
2. The nail-pulling gripper according to claim 1, characterized in that, The telescopic component (2) includes: Abutting member (21) is located in a mounting hole (12) movably in a first direction (X); Reset member (22), which is installed in the mounting hole (12) and abuts against the abutment member (21); The reset member (22) is used to realize the repositioning of the abutment member (21) along the first direction (X).
3. The nail-pulling gripper according to claim 2, characterized in that, The telescopic component (2) also includes: The fastener (23) is installed in the mounting hole (12) and has a storage cavity inside the fastener (23); The abutment (21) and the reset (22) are both installed inside the fixing member (23), and the end of the abutment (21) can extend out of the fixing member (23) along the first direction (X).
4. The nail-pulling gripper according to claim 3, characterized in that, The mounting hole (12) includes: The threaded section (121) is threadedly connected to the fastener (23); A limiting segment (122) is connected to a threaded segment (121), and the limiting segment (122) is located on the side close to the clamping surface (11); The limiting segment (122) is used for tightening the first end of the fastener (23).
5. The nail-pulling gripper according to claim 4, characterized in that, It also includes a limiting member (3), which is mounted on the gripper arm (1) and is used to abut and limit the movement of the end of the fixing member (23).
6. The nail-pulling gripper according to claim 5, characterized in that, The gripper arm (1) is also provided with a stepped groove (13), one end of the mounting hole (12) is provided through the stepped groove (13), and the limiting member (3) is installed on the stepped groove (13).
7. The nail-pulling gripper according to claim 6, characterized in that, The limiting member (3) is a limiting plate, which is connected to the gripper arm (1) by setting fasteners.
8. The nail-pulling gripper according to claim 1, characterized in that, The clamping surface (11) is an arc-shaped concave structure.
9. The nail-pulling gripper according to claim 1, characterized in that, The telescopic component (2) is a ball-head plunger.
10. A nail-pulling device, characterized in that, Includes the nail-pulling gripper as described in any one of claims 1-9.