Battery multi-connection automatic detection device

Abstract

The utility model provides an automatic detection device for multi-connection of batteries. The automatic detection device comprises a bracket, a vacuum mechanism, a plurality of evacuation assemblies, a leak detection gas filling assembly and a leak detector, the vacuum mechanism is arranged on the support, the vacuum mechanism comprises a base, a movable cover plate and a first translation driving assembly, a plurality of containing grooves are formed in the base, leak detection openings are formed in the containing grooves, a plurality of butt joint openings are formed in the movable cover plate, and a detection cavity is defined by the containing grooves and the movable cover plate; the plurality of evacuation assemblies are respectively communicated with the butt joint port and the leak detection port, the leak detector is communicated with the detection port, and the leak detection gas filling assembly is communicated with the butt joint port. According to the battery multi-connection automatic detection device, a plurality of battery shells can be detected at a time, the detection efficiency is improved, the elastic buffer suction heads on the movable cover plate are stably attached to the liquid injection openings in the battery shells, and therefore the detection qualification rate is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum detection, in particular to a multi-connection automatic detection device for batteries. Background Art

[0002] With the development of science and technology, high-performance power tools, electric bicycles, electric cars, smart toys, etc. have become increasingly popular. The increase in their power requires batteries to have higher capacity and larger discharge current. Lithium batteries are now often used.

[0003] Cylindrical lithium batteries usually include a cell and a shell. The cell is installed in the shell, and the sealing of the shell needs to be guaranteed. Currently, the shell is often tested for sealing by a vacuum detection device. However, the current vacuum detection device can only clamp one shell for detection at a time, and the efficiency is low. Utility Model Content

[0004] The utility model aims to overcome the shortcomings and deficiencies in the prior art and provide a battery multi-connection automatic detection device.

[0005] One embodiment of the utility model provides a multi-unit automatic detection device for batteries, comprising: a bracket, a vacuum mechanism, a plurality of evacuation components, a leak detection gas filling component and a leak detector;

[0006] The vacuum mechanism is arranged on the bracket, and the vacuum mechanism includes a base, a movable cover plate and a first translation drive assembly. The base is arranged on the bracket, and a plurality of accommodating grooves are arranged on the base, and a leak detection port is arranged in the accommodating groove. The movable cover plate is movably arranged on the bracket, and a plurality of docking ports are arranged on the movable cover plate. The first translation drive assembly is drivingly connected to the movable cover plate, and the movable cover plate closes or opens the accommodating groove under the drive of the first translation drive assembly. When the movable cover plate closes the accommodating groove, the accommodating groove and the movable cover plate surround to form a detection cavity, and the docking port is correspondingly connected to the detection cavity;

[0007] The plurality of evacuation components are respectively connected to the docking port and the leak detection port, the leak detector is connected to the leak detection port, and the leak detection gas filling component is connected to the docking port.

[0008] In some optional embodiments, an elastic buffer suction head is disposed in the docking port.

[0009] In some optional embodiments, a positioning groove is provided in the receiving groove.

[0010] In some optional embodiments, two sides of the movable cover plate are slidably matched with the bracket via sliding rails.

[0011] In some optional embodiments, a plurality of limit blocks are provided on the bracket, and the plurality of limit blocks are respectively arranged in front of and behind the moving direction of the movable cover.

[0012] In some optional embodiments, a mechanical gripper assembly is provided on the bracket, and the mechanical gripper assembly includes a multi-axis translation assembly, a mounting seat and a plurality of clamps. The multi-axis translation assembly is provided on the bracket and is drive-connected to the mounting seat for driving the mounting seat to move closer to or away from the vacuum mechanism. The plurality of clamps are provided on the mounting seat.

[0013] In some optional embodiments, the battery multi-unit automatic detection device also includes: a loading and conveying mechanism, which is arranged on one side of the base of the vacuum mechanism, and the multi-axis translation assembly drives the mounting seat to move back and forth between the loading and conveying mechanism and the vacuum mechanism.

[0014] In some optional embodiments, the battery multi-unit automatic detection device also includes: the clamp includes a power module and a plurality of clamps, the plurality of clamps surround to form a clamping space, the power module is arranged at the bottom of the mounting base, and is driven and connected to the clamps to drive the plurality of clamps to move closer to or away from each other.

[0015] In some optional embodiments, the battery multi-connection automatic detection device further includes a re-inspection mechanism, the re-inspection mechanism includes a re-inspection seat, a re-inspection cover plate and a second translation drive assembly, the re-inspection seat is arranged on the bracket, a plurality of re-inspection slots are arranged on the re-inspection seat, a re-inspection leak detection port is arranged in the re-inspection slot, the re-inspection cover plate is movably arranged on the bracket, a plurality of re-inspection docking ports are arranged on the re-inspection cover plate, the second translation drive assembly is drivingly connected to the re-inspection cover plate, the re-inspection cover plate closes or opens the re-inspection slot under the drive of the second translation drive assembly, when the re-inspection cover plate closes the re-inspection slot, the re-inspection slot and the re-inspection cover plate surround to form a re-inspection cavity, and the re-inspection docking port is correspondingly connected to the re-inspection cavity;

[0016] The evacuation component is respectively connected with the re-inspection interface and the re-inspection leak detection port, the leak detector is connected with the re-inspection leak detection port, and the leak detection gas filling component is connected with the re-inspection interface.

[0017] In some optional embodiments, a plurality of the vacuum mechanisms are provided on the bracket.

[0018] Compared with the prior art, the battery multi-unit automatic detection device of the utility model can detect multiple battery shells at one time, improving the detection efficiency. The elastic buffer suction head on the movable cover plate is stably fitted with the liquid filling port on the battery shell, thereby greatly improving the detection pass rate.

[0019] In order to more clearly understand the present invention, the specific implementation of the present invention will be described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a multi-battery automatic detection device according to an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the top structure of a multi-connection automatic battery detection device according to an embodiment of the present utility model;

[0022] Figure 3 This is a schematic diagram of the structure of a vacuum mechanism according to an embodiment of the utility model;

[0023] Figure 4 This is a schematic structural diagram of a base according to an embodiment of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of a movable cover plate according to an embodiment of the utility model;

[0025] Figure 6 This is a schematic structural diagram of an elastic buffer suction head according to an embodiment of the utility model;

[0026] Figure 7 This is a partial structural schematic diagram of a mechanical gripper assembly according to an embodiment of the utility model.

[0027] Description of reference numerals:

[0028] 10. Bracket; 11. Slide rail; 12. Limit block; 20. Vacuum mechanism; 21. Base; 22. Movable cover; 23. First translation drive assembly; 24. Accommodation groove; 25. Leak detection port; 26. Docking port; 27. Elastic buffer suction head; 28. Positioning groove; 30. Vacuum assembly; 40. Leak detector; 50. Mechanical gripper assembly; 51. Multi-axis translation assembly; 52. Mounting seat; 53. Clamp; 54. Power module; 55. Clamp; 60. Feeding and conveying mechanism; 70. Re-inspection mechanism; 80. Battery housing. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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 in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. In the description of the utility model, unless otherwise specified, "multiple" means 2 or more, and "several" means 1 or more. In addition, unless otherwise specified, 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 technical features indicated.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 should not be understood as a limitation on the present invention.

[0031] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the description of the utility model, the description with reference to the terms "one embodiment", "some optional implementations" or "some optional embodiments" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0033] See also Figure 1 An embodiment of the utility model provides a multi-unit automatic detection device for batteries, comprising: a bracket 10, a vacuum mechanism 20, a plurality of evacuation components 30, a leak detection gas filling component and a leak detector 40.

[0034] The vacuum mechanism 20 is arranged on the bracket 10, and the vacuum mechanism 20 includes a base 21, a movable cover 22 and a first translation drive component 23. The base 21 is arranged on the bracket 10, and a plurality of accommodating grooves 24 are arranged on the base 21, and a leak detection port 25 is arranged in the accommodating groove 24. The movable cover 22 is movably arranged on the bracket 10, and a plurality of docking ports 26 are arranged on the movable cover 22. The first translation drive component 23 is drivingly connected to the movable cover 22. The movable cover 22 closes or opens the accommodating groove 24 under the drive of the first translation drive component 23. When the movable cover 22 closes the accommodating groove 24, the accommodating groove 24 and the movable cover 22 surround to form a detection cavity, and the docking port 26 is correspondingly connected to the detection cavity.

[0035] A plurality of evacuation components 30 are respectively connected to the docking port 26 and the leak detection port 25 , a leak detector 40 is connected to the leak detection port 25 , and a leak detection gas filling component is connected to the docking port 26 .

[0036] During the inspection, a plurality of battery shells 80 are placed correspondingly in the receiving grooves 24, and then the movable cover 22 is driven by a translation drive assembly to close the receiving grooves 24, and the docking port 26 on the movable cover 22 is connected to the liquid filling port of the battery shell 80, and then the vacuum assembly 30 evacuates the inspection cavity and the battery shell 80. After the inspection cavity and the battery shell 80 are evacuated to a predetermined pressure, the inspection cavity is stopped from being evacuated, while the battery shell 80 is continued to be evacuated, and then the leak detector 40 is turned on, and then the leak detection gas filling assembly is used to fill the battery shell 80 with detection gas, and the leak detector 40 is used to detect whether there is detection gas leaked from the battery shell 80 in the inspection cavity, so as to determine whether the battery shell 80 has a leak point.

[0037] In some optional embodiments, an elastic buffer suction head 27 is provided in the docking port 26, the elastic buffer suction head 27 is pressed on the battery housing 80, and is connected to the injection port of the battery housing 80. The elastic buffer suction head 27 is squeezed on the battery housing 80, and the elastic force of the elastic buffer suction head 27 is used to improve the sealing between the elastic buffer suction head 27 and the battery housing 80, so that the leak detection gas can be accurately filled into the battery housing 80. In this embodiment, the elastic buffer suction head 27 includes two suction head seats and an elastic portion arranged between the two suction head seats, one of which is arranged on the movable cover plate 22, and the other suction head seat is pressed against the battery housing 80.

[0038] In some optional embodiments, a positioning groove 28 is provided in the accommodating groove 24, and the battery housing 80 is positioned and matched with the positioning groove 28, so that when the movable cover 22 is pressed on the battery housing 80, the battery housing 80 is not easily displaced.

[0039] In some optional embodiments, two sides of the movable cover plate 22 are slidably matched with the bracket 10 via the slide rails 11, thereby facilitating the stable movement of the movable cover plate 22.

[0040] In some optional embodiments, a plurality of limit blocks 12 are provided on the bracket 10 , and the plurality of limit blocks 12 are respectively arranged in front and behind the moving direction of the movable cover plate 22 , and the limit blocks 12 are used to limit the moving range of the movable cover plate 22 .

[0041] In some optional embodiments, a mechanical gripper assembly 50 is provided on the bracket 10, and the mechanical gripper assembly 50 includes a multi-axis translation assembly 51, a mounting seat 52 and a plurality of clamps 53. The multi-axis translation assembly 51 is provided on the bracket 10 and is drivingly connected to the mounting seat 52 for driving the mounting seat 52 to move closer to or away from the vacuum mechanism 20. A plurality of clamps 53 are provided on the mounting seat 52, and the clamps 53 are used to clamp the battery housing 80. The multi-axis translation assembly 51 drives the mounting seat 52 to move to the base 21, so that the clamps 53 place the battery housing 80 in the receiving groove 24.

[0042] The specific structure of the multi-axis translation assembly 51 can be designed according to actual needs. For example, in this embodiment, the multi-axis moving mechanism includes an x-axis guide rail arranged on the bracket 10, a first support seat connected to the x-axis guide rail, a y-axis guide rail arranged on the first support seat, a second support seat connected to the y-axis guide rail, a z-axis guide rail arranged on the second support seat, and a power assembly. The mounting seat 52 is connected to the z-axis guide rail. The power assembly drives the first support seat to move along the x-axis guide rail, drives the second support seat to move along the y-axis guide rail, and drives the mounting seat 52 to move along the z-axis guide rail, thereby realizing the translation of the mounting seat 52 in three directions.

[0043] In some optional embodiments, the battery multi-unit automatic detection device further includes: a loading and conveying mechanism 60, which is arranged on one side of the base 21 of the vacuum mechanism 20, and the multi-axis translation assembly 51 drives the mounting seat 52 to move back and forth between the loading and conveying mechanism 60 and the vacuum mechanism 20. The loading and conveying mechanism 60 is used to convey the battery shell 80 to one side of the base 21 of the vacuum mechanism 20, and the mechanical gripper assembly 50 transports the battery shell 80 to the receiving groove 24 of the base 21. In this embodiment, the loading and conveying mechanism 60 includes a belt conveyor device and a discharge plate arranged on the belt conveyor device, and a plurality of discharge grooves are arranged on the discharge plate, and the number of the discharge grooves corresponds to the number of the receiving grooves 24, so that the mechanical gripper assembly 50 can carry a plurality of battery shells 80 to the receiving grooves 24 on the base 21 at a time.

[0044] In some optional embodiments, the battery multi-connection automatic detection device further includes: the clamping jaw 53 includes a power module 54 and a plurality of clamping plates 55, the plurality of clamping plates 55 surround to form a clamping space, the power module 54 is arranged at the bottom of the mounting seat 52, and is drivingly connected to the clamping plates 55, and is used to drive the plurality of clamping plates 55 to move closer to or away from each other, and the power module 54 drives the plurality of clamping plates 55 to move closer to each other so as to cooperate in clamping the battery housing 80. In this embodiment, the clamping plates 55 match the shape of the battery housing 80.

[0045] In some optional embodiments, the battery multi-unit automatic detection device also includes a re-inspection mechanism 70, which includes a re-inspection seat, a re-inspection cover and a second translation drive component. The re-inspection seat is arranged on the bracket 10, and a plurality of re-inspection slots are arranged on the re-inspection seat. A re-inspection leak detection port 25 is arranged in the re-inspection slot. The re-inspection cover is movably arranged on the bracket 10, and a plurality of re-inspection docking ports 26 are arranged on the re-inspection cover. The second translation drive component is driven and connected to the re-inspection cover. The re-inspection cover closes or opens the re-inspection slot under the drive of the second translation drive component. When the re-inspection cover closes the re-inspection slot, the re-inspection slot and the re-inspection cover form a re-inspection cavity, and the re-inspection docking port 26 is correspondingly connected to the re-inspection cavity; the vacuum component 30 is respectively connected to the re-inspection docking port 26 and the re-inspection leak detection port 25, the leak detector 40 is connected to the re-inspection leak detection port 25, and the leak detection gas filling component is connected to the re-inspection docking port 26. The structure and principle of the re-inspection mechanism 70 can refer to the structure and principle of the vacuum mechanism 20, the re-inspection seat can refer to the structure of the base 21, the re-inspection cover can refer to the structure of the movable cover 22, and the second translation drive assembly can refer to the structure of the first translation drive assembly 23. When the leak detector 40 detects that there is detection gas leaking from the battery shell 80 in the detection chamber, it is judged that the battery shell 80 may have a leak, and then the battery shell 80 is placed in the re-inspection slot and the detection is repeated again. If the leak detector 40 detects that there is detection gas leaking from the battery shell 80 in the re-inspection chamber, it means that the battery shell 80 does have a leak, and the battery shell 80 is judged to be a defective product.

[0046] In some optional embodiments, a plurality of vacuum mechanisms 20 are provided on the bracket 10 to improve the leak detection efficiency.

[0047] In this embodiment, the loading and conveying mechanism 60, the plurality of vacuum mechanisms 20 and the re-inspection mechanism 70 are arranged in sequence along a preset direction, so as to facilitate the mechanical gripper assembly 50 to carry the battery housing 80 in sequence.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-battery automatic detection device, characterized in that: include: A bracket, a vacuum mechanism, a plurality of evacuation assemblies, a leak detection gas filling assembly and a leak detector; The vacuum mechanism is arranged on the bracket, and the vacuum mechanism includes a base, a movable cover plate and a first translation drive assembly. The base is arranged on the bracket, and a plurality of receiving grooves are arranged on the base, and a leak detection port is arranged in the receiving groove. The movable cover plate is movably arranged on the bracket, and a plurality of docking ports are arranged on the movable cover plate. The first translation drive assembly is drivingly connected to the movable cover plate, and the movable cover plate closes or opens the receiving groove under the drive of the first translation drive assembly. When the movable cover plate closes the receiving groove, the receiving groove and the movable cover plate surround to form a detection cavity. The plurality of evacuation components are respectively connected to the docking port and the leak detection port, the leak detector is connected to the leak detection port, and the leak detection gas filling component is connected to the docking port.

2. A multi-battery automatic detection device according to claim 1, characterized in that: An elastic buffer suction head is arranged in the docking port.

3. The multi-battery automatic detection device according to claim 1, characterized in that: A positioning groove is arranged in the accommodating groove.

4. The multi-battery automatic detection device according to claim 1, characterized in that: The two sides of the movable cover plate are slidably matched with the bracket through sliding rails.

5. The multi-battery automatic detection device according to claim 1, characterized in that: The bracket is provided with a plurality of limit blocks, and the plurality of limit blocks are respectively arranged in front of and behind the moving direction of the movable cover plate.

6. A multi-battery automatic detection device according to any one of claims 1 to 5, characterized in that: A mechanical gripper assembly is arranged on the bracket, and the mechanical gripper assembly includes a multi-axis translation assembly, a mounting seat and a plurality of clamps. The multi-axis translation assembly is arranged on the bracket and is drivingly connected to the mounting seat for driving the mounting seat to approach or move away from the vacuum mechanism. The plurality of clamps are arranged on the mounting seat.

7. A multi-battery automatic detection device according to claim 6, characterized in that: Also includes: A material loading and conveying mechanism is arranged on one side of the base of the vacuum mechanism, and the multi-axis translation assembly drives the mounting seat to move back and forth between the material loading and conveying mechanism and the vacuum mechanism.

8. The multi-battery automatic detection device according to claim 6, characterized in that: Also includes: The clamping jaw includes a power module and a plurality of clamping plates, the plurality of clamping plates surround and form a clamping space, the power module is arranged at the bottom of the mounting seat and is drivingly connected to the clamping plates to drive the plurality of clamping plates to move closer to or away from each other.

9. A multi-battery automatic detection device according to any one of claims 1 to 5, characterized in that: It also includes a re-inspection mechanism, the re-inspection mechanism includes a re-inspection seat, a re-inspection cover plate and a second translation drive assembly, the re-inspection seat is arranged on the bracket, a plurality of re-inspection slots are arranged on the re-inspection seat, a re-inspection leak detection port is arranged in the re-inspection slot, the re-inspection cover plate is movably arranged on the bracket, a plurality of re-inspection docking ports are arranged on the re-inspection cover plate, the second translation drive assembly is drivingly connected to the re-inspection cover plate, the re-inspection cover plate closes or opens the re-inspection slot under the drive of the second translation drive assembly, when the re-inspection cover plate closes the re-inspection slot, the re-inspection slot and the re-inspection cover plate surround to form a re-inspection cavity, and the re-inspection docking port is correspondingly connected to the re-inspection cavity; The evacuation component is respectively connected to the re-inspection interface and the re-inspection leak detection port, the leak detector is connected to the re-inspection leak detection port, and the leak detection gas filling component is connected to the re-inspection interface.

10. A multi-battery automatic detection device according to any one of claims 1 to 5, characterized in that: A plurality of vacuum mechanisms are arranged on the bracket.

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