Improved new energy cell leak detection tool

Abstract

The utility model relates to the technical field of leak detection equipment, and especially relates to an improved new energy cell leak detection tool. Comprising a base, a vertical frame installed on the rear side of the upper end of the base, two lifting guide rails installed at the front end of the vertical frame in parallel, an air cylinder installed at the upper end of the vertical frame, a lifting sliding table installed between the lower end of the air cylinder and the two lifting guide rails in a sliding mode, an upper die fixed to the lower end of the lifting sliding table and a lower die arranged at the upper end of the base and located under the upper die. And the upper end surface of the base is fixedly connected with a fixed table on the outer side of the lower die. According to the utility model, the structure of an original leak detection tool is scientifically and reasonably improved, the base is provided with the fixed table, the outer stud and the C-shaped insertion strip, and the lower die is provided with the limiting convex block, so that tool-free quick assembly and disassembly operation between the lower die and the base can be realized, the workload and difficulty of assembly and disassembly operation of the lower die are effectively reduced, and the work efficiency is improved. Therefore, the convenience and efficiency of the actual leak detection operation of the new energy battery cells of different specifications are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage detection equipment, in particular to an improved new energy battery cell leakage detection tool. Background Art

[0002] As key components of electric vehicles and energy storage equipment, the sealing of new energy batteries directly affects the safety and performance of the equipment. Therefore, in the design, testing and manufacturing process of new energy batteries, leak detection equipment is required to detect leaks in new energy batteries in order to determine the airtightness data of new energy batteries.

[0003] like Figure 4 As shown, this is a leak detection tool currently installed on the new energy battery cell leak detection equipment. Its main function is to facilitate the placement of new energy battery cells and ventilation leak detection operations, and to establish a gas path connection with the helium detection equipment. However, this leak detection tool has the following shortcomings in actual use: Since there are various specifications of cylindrical power batteries, when performing leak detection operations on power batteries with different outer diameters, it is necessary to replace the lower mold of the corresponding specifications. At present, the lower mold is mainly installed and fixed on the base by multiple hexagonal screws. When replacing the lower mold, the operator needs to use tools to participate. The entire lower mold installation and removal process is labor-intensive and difficult, which is not convenient for actual leak detection of new energy batteries with different specifications.

[0004] In view of this, it is particularly important to design and manufacture a leak detection tool that can realize quick and tool-free replacement of the lower mold in the leak detection process of new energy battery cells. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the traditional new energy battery cell leak detection tooling has poor convenience and low efficiency in the replacement operation of the lower mold, and is not convenient for actual leak detection of new energy battery cells of different specifications, and to propose an improved new energy battery cell leak detection tooling.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An improved new energy battery cell leak detection tool comprises a base, a vertical frame installed on the rear side of the upper end of the base, two lifting guide rails installed in parallel at the front end of the vertical frame, a cylinder installed at the upper end of the vertical frame, a lifting slide slidably installed between the lower end of the cylinder and the two lifting guide rails, an upper mold fixed at the lower end of the lifting slide, and a lower mold arranged at the upper end of the base directly below the upper mold, the upper end surface of the base is located on the outer side of the lower mold and is fixedly connected to a fixing table, a mounting socket for accommodating the lower end of the lower mold is opened in the middle of the fixing table, and a locking mechanism for quickly fixing the lower mold to the base without tools is arranged between the fixing table and the lower mold.

[0008] As a further description of the above technical solution:

[0009] The locking mechanism includes two limiting protrusions symmetrically fixed on the left and right sides of the lower end of the lower mold, a limiting groove opened on the fixed platform and corresponding to the two limiting protrusions, a longitudinal sliding hole symmetrically opened on the fixed platform and connected to the two limiting grooves, a C-shaped inserting strip movably installed between the two longitudinal sliding holes and with the rear end abutting against the limiting protrusions, and an adjusting part arranged between the fixed platform and the C-shaped inserting strip.

[0010] As a further description of the above technical solution:

[0011] The adjusting part comprises an outer stud rotatably mounted in the middle of the front end of the fixing platform and penetrating the C-shaped inserting strip, an operating knob mounted in the front end of the outer stud, and an inner screw sleeve fixed in the middle of the C-shaped inserting strip and matching the outer stud.

[0012] As a further description of the above technical solution:

[0013] The front sides of the upper ends of the two limiting protrusions are both provided with a first inclined surface, and the rear side of the lower end of the rear end of the C-shaped inserting strip is provided with a second inclined surface which is parallel to and fits with the first inclined surface.

[0014] As a further description of the above technical solution:

[0015] The upper end of the base is located on the inner side of the mounting socket and is fixedly connected to a stepped air seat that penetrates the lower mold upward. A stepped air groove corresponding to the stepped air seat is opened in the middle of the lower end of the lower mold. The lower end of the base is equipped with a stepped air seat. The lower end of the base is equipped with a lower air outlet pipe that is connected to the stepped air seat.

[0016] As a further description of the above technical solution:

[0017] An upper air inlet pipe connected with the upper die is installed at the upper end of the lifting slide.

[0018] As a further description of the above technical solution:

[0019] A sealing part for comprehensive sealing treatment after the lower mold is installed in the fixing platform is arranged between the base, the stepped air seat, the fixing platform and the lower mold.

[0020] As a further description of the above technical solution:

[0021] The sealing part includes a first sealing ring installed on the upper end of the stepped air seat and in contact with the inner wall of the stepped air groove, a second sealing ring installed on the upper end of the base, between the mounting hole and the lower end of the limiting groove, and a third sealing ring installed on the upper end of the base and located outside the stepped air seat.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0023] 1. In the utility model, the original leak detection tooling structure is scientifically and rationally improved, a fixed platform, an outer stud and a C-shaped insert are arranged on the base, and a limiting protrusion is arranged on the lower mold. The lower mold and the limiting protrusion can slide downward toward and into the installation socket and the limiting groove of the fixed platform respectively. By holding and turning the operating knob on the outer stud, the C-shaped insert can be driven to move backward on the fixed platform. Under the contact and extrusion effect between the C-shaped insert and the limiting protrusion, the lower mold is locked between the base and the fixed platform. This structure can realize tool-free and quick installation and removal operation between the lower mold and the base, effectively reducing the workload and difficulty of the installation and removal operation of the lower mold, thereby improving the convenience and efficiency of the actual leak detection operation of new energy batteries of different specifications.

[0024] 2. In the utility model, a first sealing ring is arranged on the step air seat, a second sealing ring is arranged between the base, the mounting socket and the limit groove, and a third sealing ring is arranged on the base. The first sealing ring can seal the connecting gap between the step air groove and the step air seat, the second sealing ring can seal the connecting gap between the lower mold, the base and the fixed table, and the third sealing ring can seal the connecting gap between the lower mold and the base. This structure can perform comprehensive sealing on the lower mold installed between the base and the fixed table, and can prevent gas from overflowing through the lower end of the lower mold, thereby ensuring the air tightness and data accuracy of the leak detection work after the lower mold is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic structural diagram of an improved new energy battery leak detection tooling proposed by the utility model;

[0026] Figure 2 It is a three-dimensional disassembly schematic diagram of the base, the lower mold and the C-shaped insert in the utility model;

[0027] Figure 3 It is a structural schematic diagram of the lower mold in the utility model;

[0028] Figure 4 This is a structural schematic diagram of the previous generation of new energy battery cell leak detection tooling in the prior art.

[0029] Legend:

[0030] 1. Base; 101. Vertical frame; 102. Lifting guide rail; 103. Lower air outlet pipe; 104. Stepped air seat; 2. Cylinder; 3. Lifting slide; 301. Upper air inlet pipe; 4. Upper die; 5. Lower die; 501. Stepped air groove; 502. Limiting protrusion; 503. First inclined plane; 6. Fixed platform; 601. Mounting socket; 602. Limiting groove; 603. Longitudinal sliding hole; 7. C-shaped insert; 701. Inner threaded sleeve; 702. Second inclined plane; 8. Outer stud; 801. Operating knob; 9. First sealing ring; 10. Second sealing ring; 11. Third sealing ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-3 The utility model provides a technical solution: an improved new energy battery cell leak detection tool, comprising a base 1, a vertical frame 101 installed on the rear side of the upper end of the base 1, two lifting guide rails 102 installed in parallel at the front end of the vertical frame 101, a cylinder 2 installed at the upper end of the vertical frame 101, a lifting slide 3 slidably installed between the lower end of the cylinder 2 and the two lifting guide rails 102, an upper mold 4 fixed to the lower end of the lifting slide 3 and a lower mold 5 arranged at the upper end of the base 1 and directly below the upper mold 4. The upper end surface of the base 1 is located on the outer side of the lower mold 5 and is fixedly connected with a fixed platform 6. A mounting socket 601 for accommodating the lower end of the lower mold 5 is opened in the middle of the fixed platform 6. A locking mechanism for quickly fixing the lower mold 5 on the base 1 without tools is provided between the fixed platform 6 and the lower mold 5.

[0033] Specifically, Figure 1-3As shown, the locking mechanism includes two limiting protrusions 502 symmetrically fixed on the left and right sides of the lower end of the lower mold 5, limiting grooves 602 opened on the fixed platform 6 and corresponding to the two limiting protrusions 502, longitudinal sliding holes 603 symmetrically opened on the fixed platform 6 and connected to the two limiting grooves 602, a C-shaped insert 7 movably installed between the two longitudinal sliding holes 603 and with the rear end abutting against the limiting protrusions 502, and an adjusting portion arranged between the fixed platform 6 and the C-shaped insert 7, wherein the adjusting portion includes an outer stud 8 rotatably installed in the middle of the front end of the fixed platform 6 and passing through the C-shaped insert 7, an operating knob 801 installed at the front end of the outer stud 8, and an inner screw sleeve 701 fixed in the middle of the C-shaped insert 7 and matching the outer stud 8. When the operating knob 801 is held and rotated, under the action of the spiral transmission between the outer stud 8 and the inner screw sleeve 701, the C-shaped insert 7 can move forward or backward in the longitudinal sliding hole 603 of the fixed platform 6.

[0034] At the same time, the front sides of the upper ends of the two limiting protrusions 502 are both provided with a first inclined surface 503, and the rear side of the lower end of the rear end of the C-shaped insert 7 is provided with a second inclined surface 702 which is parallel to the first inclined surface 503 and fits with each other. The setting of the first inclined surface 503 and the second inclined surface 702 can convert the extrusion force generated in the horizontal direction of the C-shaped insert 7 into the downward extrusion force of the limiting protrusion 502, so as to press and lock the lower mold 5 between the base 1, the stepped air seat 104 and the fixing platform 6.

[0035] Specifically, Figure 1-3 As shown, the upper end of the base 1 is located on the inner side of the mounting socket 601 and is fixedly connected with a stepped air seat 104 which passes upward through the lower mold 5; a stepped air groove 501 corresponding to the stepped air seat 104 is provided in the middle of the lower end of the lower mold 5; a lower air outlet pipe 103 connected to the stepped air seat 104 is installed at the lower end of the base 1, so as to facilitate the establishment of an air path connection between the helium detection pipeline and the lower mold 5; and an upper air inlet pipe 301 connected to the upper mold 4 is installed at the upper end of the lifting slide 3, so as to facilitate the establishment of an air path connection between the helium detection pipeline and the upper mold 4.

[0036] Specifically, Figure 1-3As shown, a sealing part for comprehensive sealing treatment after the lower mold 5 is installed in the fixing table 6 is arranged between the base 1, the stepped air seat 104, the fixing table 6 and the lower mold 5. The sealing part includes a first sealing ring 9 installed at the upper end of the stepped air seat 104 and in contact with the inner wall of the stepped air groove 501, a second sealing ring 10 installed at the upper end of the base 1, between the mounting socket 601 and the lower end of the limiting groove 602, and a third sealing ring 11 installed at the upper end of the base 1 and located outside the stepped air seat 104. The first sealing ring 9 can seal the stepped air groove 501. 1 and the stepped air seat 104 are internally sealed, the second sealing ring 10 can perform external sealing on the connection gap between the lower mold 5, the base 1 and the fixed platform 6, and the third sealing ring 11 can perform central sealing on the connection gap between the lower mold 5 and the base 1. At this time, two sets of sealed cavities will be formed between the first sealing ring 9, the second sealing ring 10 and the third sealing ring 11 to prevent the gas in the lower mold 5 from overflowing into the external environment or the external environment air from entering the lower mold 5 to affect the leak detection work.

[0037] Working principle: When the lower mold 5 needs to be replaced during use, first, hold and reversely rotate the operating knob 801 on the outer stud 8. Under the transmission action between the outer stud 8 and the inner screw sleeve 701, the C-shaped insert 7 can slide forward from the limiting protrusion 502 on the lower mold 5, and the fixed state of the lower mold 5 is released. Secondly, the original lower mold 5 is vertically slid upward from the base 1 and the fixed platform 6, and the lower mold 5 to be used is slid downward into the installation socket 601 in the fixed platform 6. At the same time, the limiting protrusion 502 on the lower mold 5 can also slide into the limiting groove 602 on the fixed platform 6. When the stepped air groove 501 at the lower end of the lower mold 5 is buckled into the stepped air seat 104, the operator can hold and turn the operating knob 801 on the outer stud 8 in the forward direction. Under the transmission action between the outer stud 8 and the inner screw sleeve 701, the C-shaped insert 7 can slide backward in the longitudinal sliding hole 603. When the second inclined surface 702 at the rear end of the C-shaped insert 7 contacts and squeezes the first inclined surface 503 of the limiting protrusion 502, a downward squeezing force can be applied to the lower mold 5, so that the lower mold 5 is limited and locked between the base 1, the stepped air seat 104 and the fixed platform 6, thereby completing the tool-free quick replacement operation of the lower mold 5.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An improved new energy battery cell leak detection tool, comprising a base (1), a vertical frame (101) installed at the rear side of the upper end of the base (1), two lifting guide rails (102) installed in parallel at the front end of the vertical frame (101), a cylinder (2) installed at the upper end of the vertical frame (101), a lifting slide (3) slidably installed between the lower end of the cylinder (2) and the two lifting guide rails (102), an upper mold (4) fixed at the lower end of the lifting slide (3), and a lower mold (5) arranged at the upper end of the base (1) and directly below the upper mold (4), characterized in that: The upper end surface of the base (1) is located outside the lower mold (5) and is fixedly connected to a fixing platform (6); a mounting socket (601) for accommodating the lower end of the lower mold (5) is provided in the middle of the fixing platform (6); and a locking mechanism for quickly fixing the lower mold (5) on the base (1) without tools is provided between the fixing platform (6) and the lower mold (5).

2. The improved new energy battery leak detection tool according to claim 1 is characterized in that: The locking mechanism comprises two limiting protrusions (502) symmetrically fixed on the left and right sides of the lower end of the lower die (5), limiting grooves (602) provided on the fixing platform (6) and corresponding to the two limiting protrusions (502), longitudinal sliding holes (603) symmetrically provided on the fixing platform (6) and connected to the two limiting grooves (602), a C-shaped inserting strip (7) movably mounted between the two longitudinal sliding holes (603) and with its rear end abutting against the limiting protrusions (502), and an adjusting portion provided between the fixing platform (6) and the C-shaped inserting strip (7).

3. The improved new energy battery leak detection tooling according to claim 2 is characterized in that: The adjusting portion comprises an outer stud (8) rotatably mounted at the middle of the front end of the fixing platform (6) and penetrating the C-shaped inserting strip (7), an operating knob (801) mounted at the front end of the outer stud (8), and an inner screw sleeve (701) fixed at the middle of the C-shaped inserting strip (7) and matching the outer stud (8).

4. The improved new energy battery leak detection tool according to claim 2, characterized in that: The front sides of the upper ends of the two limiting protrusions (502) are both provided with a first inclined surface (503), and the rear side of the lower end of the rear end of the C-shaped inserting strip (7) is provided with a second inclined surface (702) which is parallel to and fits with the first inclined surface (503).

5. The improved new energy battery leak detection tool according to claim 1, characterized in that: The upper end of the base (1) is located inside the mounting socket (601) and is fixedly connected to a stepped air seat (104) that passes through the lower mold (5) upwards; a stepped air groove (501) corresponding to the stepped air seat (104) is provided in the middle of the lower end of the lower mold (5); the lower end of the base (1) is provided with a lower air outlet pipe (103) that is connected to the stepped air seat (104); and the lower end of the base (1) is provided with a lower air outlet pipe (103) that is connected to the stepped air seat (104).

6. The improved new energy battery leak detection tool according to claim 1, characterized in that: An upper air inlet pipe (301) connected to the upper mold (4) is installed at the upper end of the lifting slide (3).

7. The improved new energy battery leak detection tool according to claim 5, characterized in that: A sealing portion is provided between the base (1), the stepped air seat (104), the fixed platform (6) and the lower mold (5) for comprehensive sealing after the lower mold (5) is installed in the fixed platform (6).

8. The improved new energy battery leak detection tool according to claim 7, characterized in that: The sealing portion comprises a first sealing ring (9) mounted on the upper end of the stepped air seat (104) and in contact with the inner wall of the stepped air groove (501), a second sealing ring (10) mounted on the upper end of the base (1), between the mounting socket (601) and the lower end of the limiting groove (602), and a third sealing ring (11) mounted on the upper end of the base (1) and located outside the stepped air seat (104).

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