CN220795423U - Lithium battery high-voltage test transfer mechanism and high-voltage test equipment - Google Patents

Abstract

The utility model relates to the technical field of new energy batteries, and particularly discloses a lithium battery high-voltage test transfer mechanism and high-voltage test equipment, wherein the transfer mechanism comprises: the device comprises a conveying frame body, a station switching mechanism, a first testing station, a second testing station, a first linear driving device and a second linear driving device; in the operation process, the first linear driving device and the second linear driving device can simultaneously drive the first test station and the second test station to switch positions, so that the first test station can avoid the second test station in the operation process, the space shuttle of the stations is utilized to replace a tiled moving mode, and the occupied area of equipment is reduced; not only synchronously realizing high-voltage test in the switching process, but also realizing the transfer of the battery during the test; reducing the number of transfers reduces damage to the battery; and the test is completed in the moving process, so that the working efficiency is improved.

Description

Lithium battery high-voltage test transfer mechanism and high-voltage test equipment

Technical Field

The utility model relates to the technical field of new energy batteries, in particular to a lithium battery high-voltage test transfer mechanism and high-voltage test equipment with the transfer mechanism.

Background

The expansion and development of new energy automobile market drives the development of lithium ion battery industry to be steadily promoted, and the lithium ion power battery has the advantages of high energy density, long cycle life, no memory effect and the like, and is considered as the most promising power battery.

With the rapid development of new energy industry, the demand for lithium batteries is increasing, and higher demands are being put on the production capacity of the batteries, and the existing lithium batteries need to be subjected to high-voltage test in production, so that the performance of the lithium batteries is ensured. But among the current lithium cell high voltage test equipment test positive negative pole, the insulating resistance's between negative pole and casing test mechanism form is mostly to buffer memory feed mechanism, transport mechanism and test station constitution, and equipment structure is complicated, and area is big, and running cost is high, and then leads to lithium cell's manufacturing cost to increase. Therefore, lithium battery manufacturers have increasingly high requirements on the cost, automation degree and productivity of lithium battery manufacturing equipment.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides a lithium battery high-voltage test transfer mechanism, which can solve the problems of complex structure, large occupied area and high operation cost of the traditional transfer mechanism.

According to an embodiment of the utility model, a lithium battery high-voltage test transfer mechanism comprises: the device comprises a conveying frame body, a station switching mechanism, a first testing station, a second testing station, a first linear driving device and a second linear driving device; wherein,

the conveying frame body is provided with a first station track mechanism and a second station track mechanism; the station switching mechanism is connected to the action end of the first station track mechanism; the first test station and the second test station are respectively connected with the action end of the station switching mechanism and the action end of the station track mechanism II; the first linear driving device and the second linear driving device are both arranged on the conveying frame body, and the action ends of the first linear driving device and the second linear driving device are respectively connected with the station switching mechanism and the second test station and respectively drive the station switching mechanism and the second test station to move along the first station track mechanism and the second station track mechanism; in the motion, the station switching mechanism can drive the first test station to avoid the second test station.

In the scheme of the utility model, two movable test stations I and II are configured, and in the running process, the first and second linear driving devices can drive the first and second test stations to switch positions at the same time, so that the first test station can avoid the second test station in the running process, and the space shuttle of the stations is utilized to replace a tiled moving mode, thereby reducing the occupied area of equipment; not only synchronously realizing high-voltage test in the switching process, but also realizing the transfer of the battery during the test; reducing the number of transfers reduces damage to the battery; and the test is completed in the moving process, so that the working efficiency is improved.

In the above preferred solution of the lithium battery high-voltage test transfer mechanism, the conveying frame body is of a U-shaped structure, the first station track mechanism is arranged on the bottom plate of the conveying frame body, and the two station track mechanisms are respectively arranged at the top ends of two side walls of the conveying frame body.

In the above-mentioned preferred scheme of lithium cell high voltage test transfer mechanism, the station switching mechanism includes: the movable bottom plate, the linear driving device III and a plurality of guide rods; wherein,

a plurality of limiting sliding holes are formed in the edge position of the movable bottom plate; the movable bottom plate is connected to the action end of the first station track mechanism; the third linear driving device is vertically connected to the top end surface of the movable bottom plate, and the first testing station is connected to the action end of the third linear driving device; the guide rods are vertically connected to the bottom of the first testing station, penetrate through the limiting sliding holes respectively and are connected with the limiting sliding holes in a sliding mode.

In the preferred solution of the above high-voltage testing and transferring mechanism for lithium battery, the first testing station includes: a station substrate and a positioning plate; wherein,

the station substrate is connected to the action end of the linear driving device III; the bottom of the guide rod is provided with a plurality of guide rods; the positioning plates are arranged in a plurality, are all vertically connected to the top end face of the station substrate, and each two parallel positioning plates form a battery station.

In the preferred scheme of the lithium battery high-voltage test transfer mechanism, the top of the positioning plate is provided with a guide slope.

In the preferred scheme of the lithium battery high-voltage test transfer mechanism, the second test station has the same structure as the first test station, and the station substrate is fixed at the action end of the second station track mechanism.

A high-voltage test device comprises the transfer mechanism.

In the above-mentioned preferred solution of the high-voltage testing apparatus, the testing mechanism of the high-voltage testing apparatus is provided with a plurality of groups, which respectively correspond to the testing station and each battery station of the testing station two.

In a preferred embodiment of the above high voltage testing apparatus, the testing mechanism includes: a linear driving device IV, a linear driving device V, a test probe I, a test probe II and a test probe III; wherein,

the linear driving device IV is arranged on the first test station or the second test station and is opposite to the positive electrode end of the battery station; the linear driving device five is arranged on the first test station or the second test station and is opposite to the negative electrode end of the battery station; the first test probe and the second test probe are respectively connected to the action end of the fourth linear driving device and can be abutted against the top cover and the positive pole of the battery in the battery station; the test probe III is connected to the action end of the linear driving device V and can be abutted against the negative pole of the battery in the battery station.

In a preferred embodiment of the above high voltage test apparatus, the high voltage test apparatus is provided with a first sensor for detecting whether the battery station has a battery; the high-voltage test equipment is provided with a second sensor for detecting whether the first test station and the second test station reach the feeding position.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram showing a structure of a high-voltage test rotating mechanism.

FIG. 2 is a schematic diagram of the connection between the first testing station and the station switching mechanism in FIG. 1.

Fig. 3 is a schematic structural diagram of the second test station of fig. 1.

Reference numerals:

1. a conveying frame body; 11. a first station track mechanism; 12. station track mechanism II; 2. a station switching mechanism; 20. a movable bottom plate; 21. a linear driving device III; 22. a guide rod; 3. a first testing station; 30. a station substrate; 31. a positioning plate; 4. a second testing station; 5. a first linear driving device; 6. a second linear driving device; 7. a testing mechanism; 70. a linear driving device IV; 71. a linear driving device V; 72. testing a first probe; 73. a second test probe; 74. a test probe III; 8. and a battery.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the background art, most of the test mechanism forms of testing insulation resistance between the anode and the cathode and between the cathode and the shell in the existing lithium battery high-voltage test equipment are composed of a buffer feeding mechanism, a transfer mechanism and a test station, the equipment is complex in structure, large in occupied area and high in operation cost, and further production cost of the lithium battery is increased.

In order to improve the problems, the application provides a lithium battery high-voltage test transfer mechanism, which reduces the occupied area, simplifies the structure constitution, improves the automation degree and further reduces the operation cost.

Referring to fig. 1-3, a lithium battery high voltage test transfer mechanism according to an embodiment of the utility model includes: the device comprises a conveying frame body 1, a station switching mechanism 2, a first test station 3, a second test station 4, a first linear driving device 5 and a second linear driving device 6; wherein,

the conveying frame body 1 is provided with a first station track mechanism 11 and a second station track mechanism 12; the station switching mechanism 2 is connected to the action end of the station track mechanism I11; the first test station 3 and the second test station 4 are respectively connected with the action end of the station switching mechanism 2 and the action end of the station track mechanism 12; the first linear driving device 5 and the second linear driving device 6 are arranged on the conveying frame body 1, the action ends of the first linear driving device and the second linear driving device are respectively connected with the station switching mechanism 2 and the second testing station 4, and the station switching mechanism 2 and the second testing station 4 are respectively driven to move along the first station track mechanism 11 and the second station track mechanism 12; in the motion, the station switching mechanism 2 can drive the first test station 3 to avoid the second test station 4.

Specifically, the first linear driving device 5 and the second linear driving device 6 are both in the prior art, and can be a linear module device, an electric telescopic rod mechanism or a ball screw mechanism; in this embodiment, a linear module device is preferable.

It should be noted that, the scheme is provided with the two movable test stations I3 and II 4, and in the running process, the first linear driving device 5 and the second linear driving device 6 can drive the first test station 3 and the second test station 4 to switch positions at the same time, so that the first test station 3 can avoid the second test station 4 in the running process, and the space shuttle of the stations is utilized to replace a tiled moving mode, so that the occupied area of the equipment is reduced; not only high-voltage test is synchronously realized in the switching process, but also the transfer of the battery 8 is realized at the same time of test; reducing the number of transfers reduces damage to the battery 8; and the test is completed in the moving process, so that the working efficiency is improved.

In the preferred embodiment of the lithium battery high-voltage test transfer mechanism, the conveying frame body 1 is in a U-shaped structure, the first station track mechanisms 11 are arranged on the bottom plate of the conveying frame body 1, and the second station track mechanisms 12 are respectively arranged on the top ends of two side walls of the conveying frame body 1.

Specifically, the conveying frame body 1 is a frame body with a U-shaped section, the bottom of the conveying frame body is a bottom plate, two sides of the bottom plate are respectively and vertically connected with a wall plate, and a reinforcing rib plate is arranged at the joint of the wall plate and the bottom plate.

Specifically, the first station track mechanism 11 and the second station track mechanism 12 respectively comprise a guide rail piece and a slide block piece, the guide rail pieces are respectively arranged at the tops of the bottom plate and the wall plate along the length direction of the conveying frame body 1, the slide block pieces are respectively connected to the guide rail pieces in a sliding manner, the first test station 3 is fixed with the first station track mechanism 11 slide block piece through the station switching mechanism 2, and is detachably connected with the action end of the first linear driving device 5 through a connecting seat; the two ends of the test station II 4 are respectively fixed with the sliding block pieces of the station track mechanisms II 12 at the corresponding ends and are connected with the action ends of the linear driving devices II 6, and the test station I3 and the test station II 4 can be driven to move along the length direction of the conveying frame body 1 through the linear driving devices I5 and the linear driving devices II 6.

In the preferred embodiment of the lithium battery high-voltage test transfer mechanism, the station switching mechanism 2 comprises: a movable bottom plate 20, a linear driving device III 21 and a plurality of guide rods 22; wherein,

a plurality of limiting sliding holes are formed in the edge position of the movable bottom plate 20; the movable bottom plate 20 is connected to the action end of the first station track mechanism 11; the third linear driving device 21 is vertically connected to the top end surface of the movable bottom plate 20, and the first test station 3 is connected to the action end of the third linear driving device 21; the guide rods 22 are vertically connected to the bottom of the first testing station 3, and the guide rods 22 penetrate through the limiting sliding holes respectively and are connected with the limiting sliding holes in a sliding mode.

Specifically, the third linear driving device 21 is a prior art and may be an electric telescopic rod mechanism, a cylinder mechanism or an oil cylinder mechanism; in this embodiment, a cylinder mechanism is preferable.

It should be understood that when the linear driving device III 21 stretches out and draws back, the first test station 3 can be driven to lift along the guide rod 22, and when the first test station 3 descends, the first test station 3 and the second test station 4 can be subjected to dislocation shuttle, so that position switching is realized, and the problem that a large amount of space is occupied by tiled transfer equipment is solved.

In the preferred embodiment of the lithium battery high-voltage test transfer mechanism, the test station one 3 comprises: a station substrate 30 and a positioning plate 31; wherein,

the station substrate 30 is connected to the action end of the third linear driving device 21; the bottom of which is provided with a plurality of guide rods 22; the positioning plates 31 are provided in a plurality and are all vertically connected to the top end surface of the station substrate 30, and each two parallel positioning plates 31 form a battery station.

Specifically, the positioning plate 31 is a strip-shaped plate, and a plurality of baffles extending upwards are arranged at the top.

It should be understood that by arranging a plurality of battery stations, a plurality of batteries 8 can be tested at the same time at high voltage, so that the detection efficiency can be greatly improved, the production efficiency of the batteries 8 is further improved, and the operation cost is reduced.

In the preferred embodiment of the lithium battery high-voltage test transfer mechanism, the top of the positioning plate 31 is provided with a guide slope, and the battery 8 can be conveniently fed by arranging the guide slope, so that scraping damage to the battery 8 is reduced.

In the preferred embodiment of the lithium battery high-voltage test transfer mechanism, the second test station 4 and the first test station 3 have the same structure, and the station substrate 30 is fixed at the actuating end of the second station track mechanism 12.

In another embodiment of the utility model, a high voltage testing apparatus is disclosed comprising a transfer mechanism as described above, which provides all of the advantages of the transfer mechanism as described above, due to the inclusion of the transfer mechanism as described above.

In the preferred embodiment of the high-voltage testing apparatus, the testing mechanisms 7 of the high-voltage testing apparatus are provided with a plurality of groups, which respectively correspond to the testing stations and each battery station of the second testing station 4, and by setting a plurality of testing mechanisms 7, the detection efficiency can be greatly improved, and the production efficiency is further improved.

In a preferred embodiment of the above-described high voltage testing apparatus, the testing mechanism 7 comprises: a fourth linear driving device 70, a fifth linear driving device 71, a first test probe 72, a second test probe 73 and a third test probe 74; wherein,

the linear driving device IV 70 is arranged on the first test station 3 or the second test station 4 and is opposite to the positive electrode end of the battery station; the linear driving device five 71 is arranged on the first test station 3 or the second test station 4 and is opposite to the negative electrode end of the battery station; the first test probe 72 and the second test probe 73 are respectively connected to the action end of the fourth linear driving device 70 and can be abutted against the top cover and the positive pole of the battery 8 in the battery station; the third test probe 74 is connected to the operating end of the fifth linear drive device 71 and can be abutted against the negative electrode column of the battery 8 in the battery station.

Specifically, the motion ends of the fourth linear driving device 70 and the fifth linear driving device 71 are respectively provided with a connecting plate, and a plurality of corresponding first test probes 72, second test probes 73 and third test probes 74 are respectively arranged on the connecting plate, so that synchronous detection of a plurality of batteries 8 is facilitated.

It should be noted that, the first test probe 72, the second test probe 73 and the third test probe 74 are all in the prior art, and are respectively connected to the power supply of the high voltage test device for testing the battery 8.

Specifically, the linear driving device IV 70 and the linear driving device V71 are in the prior art, and can be an electric telescopic rod mechanism, a cylinder mechanism or an oil cylinder mechanism; in this embodiment, a cylinder mechanism is preferable.

In a preferred embodiment of the above-described high-voltage testing apparatus, the high-voltage testing apparatus is provided with a sensor one for detecting the presence of the battery 8 at the battery station; the high-voltage test equipment is provided with a second sensor for detecting whether the first test station 3 and the second test station 4 reach the feeding position.

It should be noted that the working principle of the scheme is as follows:

in an initial state, the first test station 3 is located at a feeding position, the third linear driving device 21 is lifted to jack the first test station 3, and after the second sensor detects that the first test station 3 is located at a set feeding position, an instruction is sent to the battery feeding mechanism to feed materials to the battery station of the first test station 3. After the battery loading is completed, the sensor I detects that the battery 8 is in place, and the linear driving device IV 70 and the linear driving device V71 drive the test probe I72, the test probe II 73 and the test probe III 74 to be in contact with the battery 8. Wherein the first test probe 72 is in contact with the top cover of the battery 8, the second test probe 73 is in contact with the positive pole of the battery 8, and the third test probe 74 is in contact with the negative pole of the battery 8; the positive and negative electrodes are electrically connected to the case of the battery 8, and insulation resistance tests between the positive and negative electrodes and between the negative electrode and the case are mutually performed by relay control.

While the linear driving device IV 70 and the linear driving device V71 drive the test probe I72, the test probe II 73 and the test probe III 74 to be in contact with the battery 8, the test station I3 is driven by the linear driving mechanism I to move from left to right along the station track mechanism I11; performing insulation resistance test in the moving process; the second testing station 4 is driven by the second linear driving mechanism to move from right to left along the second station track mechanism 12; the linear driving device III 21 descends in the moving process to enable the test station I3 and the test station II 4 to be staggered; when the first testing station 3 reaches the right side position, the battery 8 on the first testing station 3 completes insulation resistance testing, and the third linear driving device 21 ascends to the set position and then the discharging mechanism discharges the battery 8; and the second testing station 4 reaches the left side position, and the battery feeding mechanism is used for feeding the second testing station 4.

After the second testing station 4 is fed, the first sensor detects that the second testing station 4 is fed with the battery 8, and the fourth linear driving device 70 and the fifth linear driving device 71 drive the first testing probe 72, the second testing probe 73 and the third testing probe 74 to contact with the battery 8. Wherein test probe one 72 is in contact with the top cover of battery 8, test probe two 73 is in contact with the positive electrode of battery 8, and test probe three 74 is in contact with the negative electrode of battery 8; the positive and negative electrodes are electrically connected to the case of the battery 8, and insulation resistance tests between the positive and negative electrodes and between the negative electrode and the case are mutually performed by relay control. In the testing process, the testing station II 4 moves from left to right along the station track mechanism II 12 under the drive of the linear driving device II 6, and the testing station I3 moves from right to left along the station track mechanism I11 under the drive of the linear driving device I5. And in the moving process, the linear driving device III 21 descends to enable the test station I3 and the test station II 4 to be staggered, and the test station I and the test station II are sequentially and reciprocally circulated.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A lithium battery high voltage test transfer mechanism, comprising:

the conveying frame body is provided with a first station track mechanism and a second station track mechanism;

the station switching mechanism is connected to the action end of the first station track mechanism;

the first testing station and the second testing station are respectively connected with the action end of the station switching mechanism and the action end of the station track mechanism II;

the first linear driving device and the second linear driving device are both arranged on the conveying frame body, and the action ends of the first linear driving device and the second linear driving device are respectively connected with the station switching mechanism and the second test station and respectively drive the station switching mechanism and the second test station to move along the first station track mechanism and the second station track mechanism; in the motion, the station switching mechanism can drive the first test station to avoid the second test station.

2. The lithium battery high-voltage testing and transferring mechanism according to claim 1, wherein the conveying frame body is of a U-shaped structure, the first station track mechanism is arranged on a bottom plate of the conveying frame body, and the two station track mechanisms are respectively arranged at the top ends of two side walls of the conveying frame body.

3. The lithium battery high voltage test transfer mechanism of claim 1, wherein the station switching mechanism comprises:

the edge of the movable bottom plate is provided with a plurality of limiting sliding holes; the movable bottom plate is connected to the action end of the first station track mechanism;

the third linear driving device is vertically connected to the top end surface of the movable bottom plate, and the first testing station is connected to the action end of the third linear driving device;

the guide rods are vertically connected to the bottom of the first testing station, penetrate through the limiting sliding holes respectively and are connected with the limiting sliding holes in a sliding mode.

4. A lithium battery high voltage test transfer mechanism according to claim 3, wherein the first test station comprises:

the station substrate is connected with the action end of the linear driving device III; the bottom of the guide rod is provided with a plurality of guide rods;

the positioning plates are arranged in a plurality and are vertically connected to the top end face of the station substrate, and a battery station is formed through the positioning plates.

5. The lithium battery high-voltage testing and transferring mechanism according to claim 4, wherein the top of the positioning plate is provided with a guiding slope.

6. The high-voltage testing and transferring mechanism for lithium batteries according to claim 4, wherein the second testing station has the same structure as the first testing station, and a station substrate is fixed at the action end of the second station track mechanism.

7. A high voltage testing apparatus comprising a transfer mechanism as claimed in any one of claims 1 to 6.

8. The high-voltage testing apparatus according to claim 7, wherein the testing mechanism of the high-voltage testing apparatus is provided with a plurality of groups, which correspond to the testing station and each battery station of the testing station two respectively.

9. The high voltage testing apparatus of claim 8, wherein said testing mechanism comprises:

the linear driving device IV is arranged on the first test station or the second test station and is opposite to the positive electrode end of the battery station;

the linear driving device V is arranged on the first test station or the second test station and is opposite to the negative electrode end of the battery station;

the first test probe and the second test probe are respectively connected to the action end of the fourth linear driving device and can be abutted against the top cover and the positive pole of the battery in the battery station;

and the test probe III is connected to the action end of the linear driving device V and can be abutted against the negative pole of the battery in the battery station.

10. A high voltage testing apparatus according to claim 9, wherein the high voltage testing apparatus is provided with a sensor one for detecting the presence of a battery at the battery station; the high-voltage test equipment is provided with a second sensor for detecting whether the first test station and the second test station reach the feeding position.