Battery jig

Abstract

The utility model belongs to the technical field of battery manufacturing equipment, and particularly relates to a battery jig which comprises a switching valve and a jig seat, the jig seat is provided with a liquid storage cavity, a liquid outlet hole communicated with the liquid storage cavity and a containing groove used for containing a battery, and the liquid outlet hole is used for being communicated with a liquid injection hole of the battery; the switching valve comprises a valve seat and a valve element provided with a valve hole. The valve seat is provided with a sliding hole, a first through hole and a second through hole, wherein the first through hole and the second through hole are communicated with the sliding hole. The valve element is installed in the sliding hole in a sliding mode and used for controlling connection and disconnection between the first through hole and the second through hole. The valve seat is installed on the jig seat, and the end, away from the sliding hole, of the second through hole communicates with the liquid storage cavity. According to the battery jig disclosed by the utility model, the electrolyte can be directly injected into the liquid storage cavity by the external liquid injection device, and the valve core is not contaminated by the electrolyte, so that the cleanliness of the switching valve is ensured, and the liquid injection precision of the battery jig is also improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of battery manufacturing equipment, and particularly relates to a battery fixture. BACKGROUND

[0002] Lithium ion batteries are widely used in various electronic products, vehicles and other equipment, and are divided into hard shell lithium ion batteries and soft shell lithium ion batteries according to packaging materials; wherein, the soft package lithium ion battery has the advantages of good safety performance, light weight and large capacity.

[0003] The battery body is installed in the flexible shell, and the soft package lithium ion battery still needs to be injected, placed and formed. In order to ensure the stability of the soft package lithium ion battery, the soft package battery is usually installed in the battery fixture. The battery fixture includes a liquid injection valve and a fixture base provided with a liquid storage cavity, the liquid injection valve is installed on the fixture base and is communicated with the liquid storage cavity, and the liquid injection pump can inject electrolyte into the liquid storage cavity through the liquid injection valve. In the prior art, the liquid injection valve includes a valve seat provided with a through hole and a valve core slidingly installed in the through hole, the valve core is always located in the through hole, and when the liquid injection pump injects electrolyte into the liquid storage cavity through the liquid injection valve, the electrolyte will inevitably remain on the valve core, thereby reducing the content of electrolyte injected into the accommodating cavity, and further reducing the injection amount and precision of the flexible battery. SUMMARY

[0004] The utility model discloses a battery fixture to solve the technical problem of low injection precision when the battery fixture injects electrolyte into the battery in the prior art.

[0005] An embodiment of the utility model provides a kind of battery fixture, including switching valve and fixture base, the fixture base is equipped with liquid storage cavity, the liquid outlet hole being communicated with the liquid storage cavity and the accommodating groove for accommodating battery, the liquid outlet hole is used to connect the injection hole of battery;

[0006] The switching valve includes a valve seat and a valve core provided with a valve hole, the valve seat is provided with a sliding hole and a first through hole and a second through hole communicated with the sliding hole;The valve core is slidingly installed in the sliding hole and is used to control the on-off between the first through hole and the second through hole;

[0007] The valve seat is installed on the fixture base, and the second through hole is communicated with the liquid storage cavity away from one end of the sliding hole.

[0008] Optionally, the valve core is further provided with a plugging part, and the switching valve further includes a first sealing ring, a second sealing ring and a third sealing ring, which are all sleeved on the valve core, the first sealing ring and the second sealing ring are arranged around the plugging part, and the third sealing ring and the second sealing ring are located at opposite ends of the valve hole.

[0009] When the switching valve is in the open state, the first through hole is communicated with the second through hole through the valve hole;

[0010] When the switching valve is in the closed state, the closing part closes the passage between the first through hole and the second through hole.

[0011] Optionally, the switching valve further comprises a driving member connected to the valve core, the driving member being configured to drive the valve core to slide in the sliding hole.

[0012] Optionally, the first through hole and the second through hole are coaxially arranged, and an axis of the first through hole is perpendicular to an axis of the sliding hole.

[0013] Optionally, the battery jig further comprises a heating member mounted on the jig seat, the heating member being configured to heat the battery located in the accommodating groove.

[0014] Optionally, the jig seat comprises a first seat body and a second seat body detachably mounted on the first seat body, the liquid storage cavity and the liquid outlet hole are arranged on the first seat body, the accommodating groove comprises a first recess arranged on the first seat body and a second recess arranged on the second seat body, and the valve seat is mounted on the first seat body.

[0015] The first recess is configured to accommodate a side bag of the battery, and the second recess is configured to accommodate a battery body of the battery.

[0016] Optionally, the jig seat further comprises a third seat body detachably mounted on an end of the first seat body away from the second seat body, and the third seat body is provided with a third recess configured to accommodate the battery body.

[0017] Optionally, the battery jig further comprises a positive electrode conductive member and a negative electrode conductive member both mounted on the second seat body, the positive electrode conductive member being configured to electrically connect a positive electrode lug of the battery, and the negative electrode conductive member being configured to electrically connect a negative electrode lug of the battery.

[0018] Optionally, opposite sides of the jig seat are respectively provided with a positioning pin and a positioning hole; when two adjacent jig seats are assembled, the positioning pin on one jig seat is inserted into the positioning hole of the other jig seat.

[0019] Optionally, opposite sides of the jig seat are respectively provided with a first hanging ear and a second hanging ear.

[0020] The utility model discloses a switching valve, including valve seat and the valve core that is equipped with valve hole, be equipped with slide hole and the first through -hole and the second through -hole that all intercommunication slide hole on valve seat, the valve core sliding installation in slide hole, and be used for control the on -off between first through -hole and second through -hole, valve seat installs on jig seat, the second through -hole is communicated storage cavity with the one end of slide hole away, when the valve core is in slide hole and slides to the plugging position, the valve core can play the role of plugging the passage between first through -hole and second through -hole, when the valve core is in slide hole and slides to the lead -through position, first through -hole is communicated second through -hole through valve hole, and the injection needle of external injection device can in turn pass through first through -hole, valve hole and second through -hole and extend into storage cavity, thereby external injection device can directly inject electrolyte into storage cavity, and the valve core will not contaminate electrolyte, guarantee the cleanness of switching valve, and improve the injection precision of the battery jig.

[0021] In addition, when the liquid outlet hole is located directly below the first through-hole, the external plugging member can pass through the first through-hole, the valve hole, the second through-hole and the storage cavity in sequence to plug the liquid outlet hole, thereby facilitating cleaning of the storage cavity and other work. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the description of the embodiments of the utility model, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0023] Figure 1 It is the structural schematic diagram of battery jig that the utility model an embodiment provides;

[0024] Figure 2 It is the sectional view of battery jig that the utility model an embodiment provides;

[0025] Figure 3 It is the explosion structural schematic diagram of battery jig that the utility model an embodiment provides;

[0026] Figure 4 It is the sectional view of switching valve that the utility model an embodiment provides;

[0027] Figure 5 It is the explosion structural schematic diagram of switching valve that the utility model an embodiment provides;

[0028] Figure 6It is the structural schematic view of the battery provided by one embodiment of the utility model.

[0029] The reference signs in the description are as follows:

[0030] 1, switching valve; 11, valve seat; 111, sliding hole; 112, first through hole; 113, second through hole; 12, valve core; 121, valve hole; 122, plugging part; 13, first sealing ring; 14, second sealing ring; 15, third sealing ring; 2, jig seat; 21, liquid storage cavity; 22, liquid outlet hole; 23, containing groove; 231, first groove; 232, second groove; 24, first seat body; 241, positioning pin; 25, second seat body; 251, positive electrode conductive part; 252, negative electrode conductive part; 26, third seat body; 27, first hanging ear; 28, second hanging ear; 100, battery; 101, liquid injection hole; 102, positive electrode lug; 103, negative electrode lug; 104, side bag; 105, battery body. Specific embodiments

[0031] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments.It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.

[0032] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] As Figure 1 And Figure 2As shown, the utility model one embodiment provides a kind of battery fixture, including switching valve 1 and fixture seat 2, the fixture seat 2 is equipped with liquid storage cavity 21, the liquid outlet hole 22 being communicated with the liquid storage cavity 21 and the containing groove 23 for accommodating battery 100, the liquid outlet hole 22 is used to communicate the liquid injection hole 101 of battery 100;It can be understood that the liquid outlet hole 22 is arranged on the bottom wall of the containing groove 23, and the battery 100 includes but is not limited to hard-shell battery 100, soft package battery 100 etc.

[0035] As Figure 4 And Figure 5 As shown, the switching valve 1 includes valve seat 11 and valve core 12 provided with valve hole 121, the valve seat 11 is equipped with sliding hole 111 and first through hole 112 and second through hole 113 all being communicated with the sliding hole 111;The valve core 12 is slidably installed in the sliding hole 111, and is used to control the on-off between the first through hole 112 and the second through hole 113;As preferred, the first through hole 112 and the second through hole 113 are coaxially arranged, and the axis of the first through hole 112 is perpendicular to the axis of the sliding hole 111.

[0036] The valve seat 11 is installed on the fixture seat 2, and the second through hole 113 is communicated with the liquid storage cavity 21 away from one end of the sliding hole 111.It can be understood that the second through hole 113 is located directly above the liquid storage cavity 21.

[0037] Specifically, battery 100 is installed in the containing groove 23 of fixture seat 2, and the liquid injection hole 101 of battery 100 is communicated with the liquid outlet hole 22, so that the electrolyte in the liquid storage cavity 21 can flow into the inner cavity of battery 100 through the liquid outlet hole 22, thereby completing the liquid injection work of battery 100.

[0038] The utility model discloses a switching valve 1 includes valve seat 11 and the valve core 12 of being equipped with valve hole 121, be equipped with sliding hole 111 and all intercommunication first through -hole 112 and second through -hole 113 of sliding hole 111 on valve seat 11, the valve core 12 sliding installation in sliding hole 111, and be used for control the on-off between first through -hole 112 and second through -hole 113, valve seat 11 installs on jig seat 2, and the second through -hole 113 is away from the one end intercommunication storage liquid cavity 21 of sliding hole 111, when the valve core 12 is in sliding hole 111 and slides to the plugging position, the valve core 12 can play the role of plugging the passage between first through -hole 112 and second through -hole 113, at this time, storage liquid cavity 21 is not intercommunication first through -hole 112, when the valve core 12 is in sliding hole 111 and slides to the conduction position, first through -hole 112 passes through valve hole 121 and is intercommunication second through -hole 113, and the injection needle of external injection device can in turn pass through first through -hole 112, valve hole 121 and second through -hole 113 and extend into storage liquid cavity 21, thereby external injection device can directly inject electrolyte into storage liquid cavity 21, and the valve core 12 will not contaminate electrolyte, guarantee the cleanliness of switching valve 1, and also improve the injection precision of the battery jig.

[0039] In addition, when the liquid outlet hole 22 is located directly below the first through -hole 112, the external blocking member can pass through the first through -hole 112, the valve hole 121, the second through -hole 113 and the storage liquid cavity 21 in turn and block at the position of the liquid outlet hole 22, thereby facilitating cleaning of the storage liquid cavity 21 and other work.

[0040] In an embodiment, as shown in Figure 4 and Figure 5 The valve core 12 is further provided with a blocking portion 122, and the switching valve 1 further comprises a first sealing ring 13, a second sealing ring 14 and a third sealing ring 15 which are all sleeved on the valve core 12. The first sealing ring 13 and the second sealing ring 14 are arranged around the blocking portion 122, and the third sealing ring 15 and the second sealing ring 14 are located at opposite ends of the valve hole 121. It can be understood that the sliding hole 111 is a through hole with two open ends, and the second sealing ring 14 and the third sealing ring 15 are located on the left side and the right side of the valve hole 121 respectively. The first sealing ring 13 and the second sealing ring 14 can be arranged at intervals along the axis direction of the valve core 12, and the blocking portion 122 is located between the first sealing ring 13 and the second sealing ring 14. Alternatively, the first sealing ring 13 and the second sealing ring 14 can be arranged in a cross manner, and the blocking portion 122 is located in the blocking space surrounded by the first sealing ring 13 and the second sealing ring 14.

[0041] When the switch valve 1 is in the open state, the first through hole 112 is communicated with the second through hole 113 through the valve hole 121; specifically, when the valve core 12 moves in the sliding hole 111 to the position that the valve hole 121 is right below the first through hole 112, the first through hole 112 is communicated with the second through hole 113 through the valve hole 121.

[0042] When the switch valve 1 is in the closed state, the blocking part 122 blocks the passage between the first through hole 112 and the second through hole 113. Specifically, when the valve core 12 slides in the sliding hole 111 to the position that the blocking part 122 is right below the first through hole 112, the blocking part 122 blocks the first through hole 112, that is, the first through hole 112 is not communicated with the second through hole 113. In this embodiment, the switch valve 1 has simple structure, low manufacturing cost and good sealing performance.

[0043] In an embodiment, the switch valve 1 further comprises a driving member (not shown in the figure) connected to the valve core 12, which is used to drive the valve core 12 to slide in the sliding hole 111. It can be understood that the driving member includes but is not limited to linear motor, pneumatic cylinder, hydraulic cylinder, etc.; the driving member drives the valve core 12 to slide in the sliding hole 111, so that the switch valve 1 switches between open and closed. In this embodiment, the design of the driving member improves the automation degree of the battery fixture.

[0044] In an embodiment, the battery fixture further comprises a heating member (not shown in the figure) installed on the fixture base 2, which is used to heat the battery 100 located in the accommodating groove 23. It can be understood that the heating member includes but is not limited to heating plate, heating wire, etc., after the heating member is powered on, the heating member can heat the battery 100 in the accommodating groove 23, so that the battery fixture can realize the function of high-temperature standing of the battery 100.

[0045] In an embodiment, as shown in Figures 1 to 3 , and Figure 6As shown, the jig seat 2 comprises a first seat body 24 and a second seat body 25 detachably mounted on the first seat body 24, the liquid storage cavity 21 and the liquid outlet hole 22 are both arranged on the first seat body 24, the accommodating groove 23 comprises a first recess 231 arranged on the first seat body 24 and a second recess 232 arranged on the second seat body 25; the valve seat 11 is mounted on the first seat body 24; the first recess 231 is used for accommodating the side pocket 104 of the battery 100, and the second recess 232 is used for accommodating the battery body 105 of the battery 100. It can be understood that the second seat body 25 can be detachably mounted on the first seat body 24 through a buckle structure, a magnetic attraction structure or the like; the liquid injection hole 101 of the battery 100 is arranged on the side pocket 104. It should be noted that the battery 100 in the embodiment is a soft package battery. Further, the second seat body 25 is made of a non-conductive material, and the first seat body 24 can be made of a conductive material with high strength, thereby ensuring the service life of the battery jig and the safety of the battery jig.

[0046] In the embodiment, the second seat body 25 is detachably mounted on the first seat body 24, and different second seat bodies 25 (the sizes of the second recesses 232 on the second seat bodies 25 are different) can be replaced, so that the battery jig can be used to mount batteries 100 of different sizes, thereby improving the applicability and versatility of the battery jig.

[0047] In an embodiment, as shown in Figure 1 The jig seat 2 further comprises a third seat body 26 detachably mounted on one end of the first seat body 24 away from the second seat body 25, and the third seat body 26 is provided with a third recess (not shown in the figure) for accommodating the battery body 105. It can be understood that the third seat body 26 can be detachably mounted on the first seat body 24 through a buckle structure, a magnetic attraction structure or the like. Specifically, after the battery 100 is mounted in the accommodating groove 23, two battery jigs are stacked together, and the second seat body 25 and the third seat body 26 press the battery 100 from the left and right sides, respectively, that is, the left part of the battery 100 is located in the second recess 232, and the right part of the battery 100 is located in the third recess. In the embodiment, the battery jig can accommodate the battery 100 protruding on both left and right sides, thereby further improving the applicability and versatility of the battery jig.

[0048] It should be noted that when the battery jig protrudes only to one side, the side of the third seat body 26 away from the first seat body 24 is a plane.

[0049] In an embodiment, as shown in Figure 1 and Figure 3As shown, the battery fixture further comprises a positive electrode conducting piece 251 and a negative electrode conducting piece 252, both of which are mounted on the second seat body 25, the positive electrode conducting piece 251 is used for electrically connecting the positive electrode lug 102 of the battery 100, and the negative electrode conducting piece 252 is used for electrically connecting the negative electrode lug 103 of the battery 100. It can be understood that after the positive electrode conducting piece 251 and the negative electrode conducting piece 252 are connected with the external power supply, the battery 100 can be charged and discharged, thereby completing the formation process of the battery 100.

[0050] In an embodiment, as shown in the drawings, Figure 1 As shown, the opposite sides of the fixture seat 2 are respectively provided with a positioning pin 241 and a positioning hole (not shown in the drawings); when two adjacent fixture seats 2 are assembled, the positioning pin 241 on one fixture seat 2 is inserted into the positioning hole of the other fixture seat 2, thereby ensuring the assembly precision of the two adjacent battery fixtures. It can be understood that the positioning pin 241 and the positioning hole are respectively arranged on the opposite sides of the first seat body 24, and the positioning pin 241 inserted into the positioning hole ensures the assembly precision of the two adjacent fixture seats 2.

[0051] In an embodiment, as shown in the drawings, Figure 1 As shown, the opposite sides of the fixture seat 2 are respectively provided with a first hanging lug 27 and a second hanging lug 28. It can be understood that the external supporting rod can support the battery fixture through the first hanging lug 27 and the second hanging lug 28. In this embodiment, the design of the first hanging lug 27 and the second hanging lug 28 improves the convenience of carrying the battery fixture.

[0052] The utility model provided by the application reduces the process complexity between the self-baking, liquid injection, storage and formation of the battery, saves the auxiliary mechanism and transfer time between the processes, and integrates the heating element, the formation electrode (the positive electrode conducting piece 251 and the negative electrode conducting piece 252), the liquid storage cavity 21 and the switching valve 1 in the battery fixture, so that all the above processes can be completed without taking the battery out of the fixture, thereby improving the equipment efficiency and reducing the cost of the factory building and equipment.

[0053] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A battery fixture, comprising: The switching valve comprises a valve seat and a valve core provided with a valve hole, the valve seat is provided with a sliding hole and first and second through holes which are both communicated with the sliding hole; the valve core is slidingly installed in the sliding hole and is used for controlling the on-off between the first and second through holes; The valve seat is installed on the jig seat, and the second through hole is communicated with the liquid storage cavity at one end away from the sliding hole. The valve core is further provided with a blocking part, and the switching valve further comprises first, second and third sealing rings which are all sleeved on the valve core, the first and second sealing rings are arranged around the blocking part, and the third sealing ring is located at one end of the valve hole opposite to the second sealing ring; 2. The battery fixture of claim 1, wherein, When the switching valve is in the on state, the first through hole is communicated with the second through hole through the valve hole; When the switching valve is in the blocking state, the blocking part blocks the channel between the first and second through holes. The switching valve further comprises a driving member connected with the valve core, and the driving member is used for driving the valve core to slide in the sliding hole.

3. The battery fixture of claim 1, wherein, The first and second through holes are coaxially arranged, and the axis of the first through hole is perpendicular to the axis of the sliding hole.

4. The battery fixture of claim 1, wherein, The battery jig further comprises a heating member installed on the jig seat, and the heating member is used for heating the battery in the accommodating groove.

5. The battery fixture of claim 1, wherein, The jig seat comprises a first seat body and a second seat body which is detachably installed on the first seat body, the liquid storage cavity and the liquid outlet hole are both arranged on the first seat body, the accommodating groove comprises a first recess arranged on the first seat body and a second recess arranged on the second seat body; and the valve seat is installed on the first seat body.

6. The battery fixture of claim 1, wherein, The first recess is used for accommodating the side bag of the battery, and the second recess is used for accommodating the battery body. The jig seat further comprises a third seat body which is detachably installed on one end of the first seat body away from the second seat body, and the third seat body is provided with a third recess used for accommodating the battery body.

7. The battery fixture of claim 6, wherein, The battery jig further comprises a positive electrode conductive member and a negative electrode conductive member which are both installed on the second seat body, the positive electrode conductive member is used for electrically connecting the positive electrode lug of the battery, and the negative electrode conductive member is used for electrically connecting the negative electrode lug of the battery.

8. The battery fixture of claim 6, wherein, The jig seat is respectively provided with a positioning pin and a positioning hole on opposite sides; when two adjacent jig seats are assembled, the positioning pin on one jig seat is inserted into the positioning hole of the other jig seat.

9. The battery fixture of claim 1, wherein, The jig seat is respectively provided with a first hanging ear and a second hanging ear on opposite sides.

10. The battery fixture of claim 1, wherein, ​

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