Rotary absorption device for electrolyte

Abstract

The utility model relates to the technical field of battery production, in particular to a rotary electrolyte absorption device which comprises a conveying frame body, an electrolyte injection turntable arranged at the top of one end of the conveying frame body, and an electrolyte injection frame rotationally arranged at the bottom of the electrolyte injection turntable and fixed with the conveying frame body, a liquid injection mechanism used for injecting electrolyte into a battery shell is arranged on the liquid injection rotating disc, a transmission assembly used for intermittently driving the liquid injection rotating disc to rotate is arranged on the liquid injection frame, and the liquid injection mechanism comprises a limiting annular plate arranged at the top of the liquid injection rotating disc and a plurality of liquid injection cylinders which are arranged on the liquid injection rotating disc and are distributed in a circumferential array mode; the liquid injection cylinder penetrates through the liquid injection turntable and is in sliding connection with the liquid injection turntable. According to the rotary absorption device, electrolyte can be prevented from splashing out from the space between the electrolyte injection head and the electrolyte inlet of the battery shell when the electrolyte is injected into the battery shell, the situation of waste caused by the splashing of the electrolyte is avoided, the safety of the rotary absorption device is enhanced as the electrolyte is not splashed out, and the practicability of the rotary absorption device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a rotary absorption device for electrolyte. Background Art

[0002] Rotary absorption of electrolyte is a common process step in battery production, used to evenly distribute the electrolyte on the pole pieces within the battery shell. Existing electrolyte rotary absorption devices, when in use, inject electrolyte into a battery shell being transported on a conveyor rack. The battery shell rotates along with the conveyor rack, and the electrolyte is evenly distributed on the pole pieces within the battery shell. However, most existing rotary absorption devices inject electrolyte during the brief period of time the battery shell remains in the battery shell. This creates a gap between the injection head and the liquid inlet of the battery shell, and rapid injection can cause electrolyte splashing. This not only wastes electrolyte but also poses certain safety risks, making it impractical and difficult to meet actual usage needs. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, the utility model provides a rotating electrolyte absorption device, which solves the problem of the existing technology that the electrolyte splashes out from between the injection head and the battery shell liquid inlet when the battery shell is quickly injected with electrolyte.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The liquid dispensing mechanism comprises a pair of locking plates at the top of the holder's box, and a lock member comprises a through-hole, and the locking member comprises a through-hole, and the locking member comprises a through-hole, and the locking member comprises a through-hole, and the locking member comprises a nut.

[0006] Furthermore, an injection tube is fixedly connected to one side of the top of the injection cylinder, and a movable vertical rod is provided on one side of the injection tube, the bottom of which is fixed to the injection turntable, and a limit clamp seat is fixed on the top of the movable vertical rod, which slides with the limit ring plate and clamps the fixed injection tube, and a limit vertical groove is provided on the movable vertical rod, which slides with the injection tube.

[0007] Furthermore, the reset assembly includes support bars arranged on both sides of the liquid injection cylinder and fixed to the liquid injection turntable, and a connecting block fixed to the liquid injection cylinder is slidably arranged on the support bars.

[0008] Furthermore, a return spring fixed to the support bar is fixed at the bottom of the connecting block.

[0009] Furthermore, the transmission assembly includes a cross frame fixedly arranged on the inner side of the injection turntable, and a rotating vertical shaft fixed to the bottom of the cross frame and rotating with the injection frame through a bearing, and a groove wheel is fixed on the rotating vertical shaft.

[0010] Furthermore, a driving turntable is rotatably provided on one side of the groove wheel, a cylinder matching the groove wheel is fixed on the driving turntable, and a servo motor for driving the driving turntable to rotate is fixedly installed on the liquid injection rack.

[0011] Furthermore, a supporting arc plate fixed to the conveying frame body is fixed on one side of the limiting ring plate, and a supporting arc rod fixed to the supporting arc plate is provided on one side of the bottom of the liquid injection turntable.

[0012] By means of the above technical solution, the present invention provides a rotary absorption device for electrolyte, which has at least the following beneficial effects compared with the prior art:

[0013] 1. The utility model injects electrolyte into the battery shell by arranging a liquid injection mechanism, and transports the battery shell to the liquid injection station through the conveying frame. The liquid injection station is located at one end of the semicircular part of the conveying frame, and the liquid injection turntable is intermittently driven to rotate by the transmission component. One of the liquid injection barrels moves to the liquid injection station, and the liquid injection cylinder is pushed downward by the limiting top block. The liquid injection port at the bottom of the liquid injection cylinder is flush with the liquid inlet of the battery shell, and then the liquid is injected. This can prevent the electrolyte from splashing out from between the liquid injection head and the liquid inlet of the battery shell when injecting liquid into the battery shell, thereby avoiding waste caused by electrolyte splashing. The safety of the device is enhanced and the practicality of the rotating absorption device is improved.

[0014] 2. The utility model intermittently drives the liquid filling turntable to rotate by setting a transmission component, starts the servo motor, and the output shaft of the servo motor drives the active turntable to rotate, which drives the groove wheel to rotate intermittently through the cylinder, and the groove wheel drives the rotating vertical shaft and the cross-shaped frame to rotate intermittently, and the cross-shaped frame drives the liquid filling turntable to rotate intermittently, so that the liquid filling turntable pauses for a while after rotating a certain angle. During the pause, the electrolyte is injected into the battery shell through the liquid filling cylinder, which helps to make the electrolyte injection more stable and will not deviate, thereby improving the accuracy of the liquid injection and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a partial sectional view of the front side of the utility model;

[0018] Figure 3 This is a partial structural diagram of the reset assembly of the utility model;

[0019] Figure 4 This is an exploded structural diagram of the transmission assembly of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the liquid injection mechanism of the utility model.

[0021] In the figure: 1. Conveying frame; 2. Liquid injection turntable; 3. Liquid injection frame;

[0022] 4. Liquid injection mechanism; 41. Limiting ring plate; 42. Liquid injection cylinder; 43. Support arc plate; 44. Limiting top block; 45. Liquid injection port; 46. Liquid injection pipe; 47. Movable vertical rod; 48. Limiting clamp seat;

[0023] 49. Reset assembly; 491. Support bar; 492. Connecting block; 493. Reset spring;

[0024] 5. Transmission assembly; 51. Cross frame; 52. Rotating vertical axis; 53. Grooved wheel; 54. Active turntable. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Since the conventional rotary absorption device is prone to electrolyte splashing out from between the injection head and the battery shell inlet when injecting electrolyte into the battery shell, thus causing waste, in order to prevent the electrolyte from splashing out from between the injection head and the battery shell inlet when injecting electrolyte into the battery shell, and to avoid waste caused by electrolyte splashing, reference is made to the invention. Figure 1-Figure 5, provides a rotating absorption device for electrolyte, including a conveying frame 1, a liquid injection turntable 2, a liquid injection frame 3, a liquid injection mechanism 4 and a transmission assembly 5. One end of the conveying frame 1 is set to a semicircular shape. When the battery shell is transported on the semicircular conveying frame, the battery shell rotates around the axis of the liquid injection turntable 2, so that the electrolyte can be evenly distributed on the pole pieces in the battery shell. The liquid injection turntable 2 is set at the top of one end of the conveying frame 1, the liquid injection frame 3 is rotatably set at the bottom of the liquid injection turntable 2 and is fixed to the conveying frame 1, the liquid injection mechanism 4 is set on the liquid injection turntable 2 and is used to inject electrolyte into the battery shell, and the transmission assembly 5 is set on the liquid injection frame 3 and is used to intermittently drive the liquid injection turntable 2 to rotate.

[0027] When injecting electrolyte into the battery shell, the liquid injection port 45 at the bottom of the liquid injection cylinder 42 is moved to be flush with the liquid inlet of the battery shell so that there is no gap between the liquid injection port 45 of the liquid injection cylinder 42 and the liquid inlet of the battery shell, which can avoid splashing of electrolyte. The liquid injection mechanism 4 includes a limiting ring plate 41 arranged on the top of the liquid injection turntable 2, and eight liquid injection cylinders 42 distributed in a circular array arranged on the liquid injection turntable 2, and the liquid injection cylinders 42 pass through the liquid injection turntable 2 and are slidably connected thereto. Vertical bars are fixed on both sides of the liquid injection cylinder 42, which can only slide up and down and cannot rotate. A supporting arc plate 43 fixed to the conveying frame 1 is fixed on one side of the limiting ring plate 41, and a fixed arc plate 43 fixed to the support arc plate 43 is provided on the bottom side of the liquid injection turntable 2. The fixed support arc rod and the support arc plate 43 support the limiting ring plate 41, and the supporting arc rod supports the liquid injection turntable 2 at the same time, so that the liquid injection turntable 2 is more stable when rotating. A movable top block is fixed on the top of the eight liquid injection cylinders 42, and a limiting top block 44 is fixed on the bottom side of the limiting ring plate 41. One side of the eight movable top blocks and one side of the limiting top block 44 are provided with matching inclined surfaces. When the movable top block rotates to the side of the limiting top block 44, the movable top block is pushed downward by the limiting top block 44, and the movable top block pushes the liquid injection cylinder 42 to move downward. A liquid injection port 45 is detachably provided at the bottom of the liquid injection cylinder 42, and the liquid injection mechanism 4 also includes a reset component 49 provided at the bottom of the liquid injection barrel for popping it up.

[0028] In order to ensure that the injection tube 46 on the injection cylinder 42 is more stable when rotating with the injection turntable 2, refer to Figure 3 and Figure 5, a liquid injection tube 46 is fixedly connected to one side of the top of the liquid injection cylinder 42, and the liquid injection tube 46 is connected to the electrolyte storage barrel, so that electrolyte can be added to the liquid injection cylinder 42, and a movable vertical rod 47 is provided on one side of the liquid injection tube 46 with a bottom fixed to the liquid injection turntable 2, and a limiting clamp seat 48 is fixed on the top of the movable vertical rod 47, which slides with the limiting ring plate 41 and clamps the fixed liquid injection tube 46, and a limiting vertical groove is provided on the movable vertical rod 47 to slide with the liquid injection tube 46. When the liquid injection cylinder 42 moves downward, the liquid injection cylinder 42 drives the liquid injection tube 46 to move, and the liquid injection cylinder 42 slides inside the limiting vertical groove, which is conducive to the liquid injection tube 46 following the movement of the liquid injection cylinder 42.

[0029] In order to make the injection cylinder 42 rebound to its original position when it moves downward, refer to Figure 3 A reset assembly 49 is provided, which includes a supporting baffle 491 arranged on both sides of the liquid injection cylinder 42 and fixed to the liquid injection turntable 2, a connecting block 492 fixed to the liquid injection cylinder 42 is slidably arranged on the supporting baffle 491, and a reset spring 493 fixed to the supporting baffle 491 is fixed at the bottom of the connecting block 492. When the liquid injection cylinder 42 moves downward, the liquid injection cylinder 42 drives the two connecting blocks 492 to slide downward, and the connecting block 492 squeezes the reset spring 493 downward, and the reset spring 493 produces elastic deformation and is compressed.

[0030] In order to ensure that the electrolyte is injected into the battery case more stably and without deviation, refer to Figure 4 A transmission assembly 5 is provided, including a cross frame 51 fixedly arranged on the inner side of the liquid injection turntable 2, and a rotating vertical shaft 52 fixed to the bottom of the cross frame 51 and rotating with the liquid injection frame 3 through a bearing, a groove wheel 53 is fixed on the rotating vertical shaft 52, and a driving turntable 54 is rotatably arranged on one side of the groove wheel 53, a cylinder matching the groove wheel 53 is fixed on the driving turntable 54, and a servo motor for driving the driving turntable 54 to rotate is fixedly installed on the liquid injection frame 3.

[0031] Several battery shells are transported by the conveying frame 1. When the battery shells move to the liquid filling station, the servo motor is started. The output shaft of the servo motor drives the active turntable 54 to rotate. The active turntable 54 drives the cylinder on its top to rotate around the output shaft of the servo motor. The cylinder drives the groove wheel 53 to start intermittent rotation. The groove wheel 53 drives the rotating vertical shaft 52 at its axis to start rotation. The rotating vertical shaft 52 drives the cross frame 51 on its top to rotate. The cross frame 51 drives the liquid filling turntable 2 on its outside to rotate intermittently on the liquid filling frame 3.

[0032] The filling turntable 2 drives the eight filling cylinders 42 thereon to rotate around the vertical rotation axis 52. When one of the filling cylinders 42 rotates to the filling station, the filling turntable 2 stops rotating, and the filling cylinder 42 drives the movable top block on its top to rotate. When the movable top block rotates to the side of the limit top block 44, the movable top block is pushed downward by the limit top block 44, and the movable top block pushes the filling cylinder 42 to move downward, so that the filling port 45 at the bottom of the filling cylinder 42 moves to be flush with the liquid inlet of the battery shell, and then the filling cylinder 42 injects electrolyte into the battery shell. After the filling is completed, the filling turntable 2 continues to rotate to perform the next filling operation.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary absorption device for electrolyte, comprising a conveying frame (1), a liquid injection turntable (2) arranged at the top of one end of the conveying frame (1), and a liquid injection frame (3) rotatably arranged at the bottom of the liquid injection turntable (2) and fixed to the conveying frame (1), characterized in that: A liquid injection mechanism (4) for injecting electrolyte into the battery shell is provided on the liquid injection turntable (2), and a transmission assembly (5) for intermittently driving the liquid injection turntable (2) to rotate is provided on the liquid injection rack (3); The injection mechanism (4) comprises a limiting ring plate (41) arranged on the top of the injection turntable (2), and a plurality of injection cylinders (42) arranged on the injection turntable (2) and distributed in a circumferential array. The injection cylinders (42) penetrate the injection turntable (2) and are slidably connected thereto. A movable top block is fixed on the top of each of the injection cylinders (42). A limiting top block (44) is fixed on one side of the bottom of the limiting ring plate (41). One side of each of the movable top blocks and one side of the limiting top block (44) are provided with matching inclined surfaces. A liquid injection port (45) is detachably provided at the bottom of the injection cylinder (42). The injection mechanism (4) further comprises a reset assembly (49) arranged at the bottom of the injection barrel for bouncing it upward.

2. The rotary absorption device for electrolyte according to claim 1, characterized in that: A liquid injection pipe (46) is fixedly connected to one side of the top of the liquid injection cylinder (42), and a movable vertical rod (47) is provided on one side of the liquid injection pipe (46) and fixed to the liquid injection turntable (2) at the bottom. A limiting clamp seat (48) is fixed on the top of the movable vertical rod (47) and slides with the limiting ring plate (41) and clamps the fixed injection pipe (46). A limiting vertical groove is opened on the movable vertical rod (47) and slides with the injection pipe (46).

3. The rotary absorption device for electrolyte according to claim 1, characterized in that: The reset assembly (49) comprises support bars (491) arranged on both sides of the liquid injection cylinder (42) and fixed to the liquid injection turntable (2); a connecting block (492) fixed to the liquid injection cylinder (42) is slidably arranged on the support bars (491).

4. The rotary absorption device for electrolyte according to claim 3, characterized in that: A return spring (493) fixed to the support bar (491) is fixed at the bottom of the connecting block (492).

5. The rotary absorption device for electrolyte according to claim 1, characterized in that: The transmission assembly (5) comprises a cross-shaped frame (51) fixedly arranged on the inner side of the liquid injection turntable (2), and a rotating vertical shaft (52) fixed to the bottom of the cross-shaped frame (51) and rotating with the liquid injection frame (3) through a bearing, and a grooved wheel (53) is fixed on the rotating vertical shaft (52).

6. The rotary absorption device for electrolyte according to claim 5, characterized in that: A driving turntable (54) is rotatably provided on one side of the groove wheel (53), a cylinder matching the groove wheel (53) is fixed on the driving turntable (54), and a servo motor for driving the driving turntable (54) to rotate is fixedly installed on the liquid injection rack (3).

7. The rotary absorption device for electrolyte according to claim 1, characterized in that: A support arc plate (43) fixed to the conveying frame (1) is fixed on one side of the limiting ring plate (41), and a support arc rod fixed to the support arc plate (43) is provided on one side of the bottom of the liquid injection turntable (2).

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