Liquid injection machine capable of conveniently and rapidly fixing lithium ion battery shell

Abstract

The invention discloses a liquid injection machine capable of conveniently and rapidly fixing a lithium ion battery shell, and relates to the technical field of liquid injection machines.The liquid injection machine comprises a workbench, a liquid injection opening is formed in the workbench, a motor is fixedly installed on the inner wall of the workbench, and a driving rod is fixedly connected to the output end of the motor; a disc is fixedly installed at the end of the driving rod, a fixing mechanism is arranged on the disc, a protection mechanism is arranged on the workbench, and a bubble removing mechanism is arranged on the workbench. According to the liquid injection machine capable of conveniently and rapidly fixing the lithium ion battery shell, the bottom end of a bent plate is extruded in the downward movement process of a bearing plate in the fixing mechanism, so that a rotating rod can drive the upper end of the bent plate to rotate in the direction of a battery shell, and the bent plate drives a clamping block on the outer wall to clamp and fix the battery shell in the middle; and meanwhile, the clamping blocks are clamped into the clamping grooves, so that the battery shell in the middle can be stably clamped by the two clamping blocks.

Description

Technical Field

[0001] The invention relates to the technical field of liquid injection machines, in particular to a liquid injection machine which can conveniently and quickly fix a lithium-ion battery shell. Background Art

[0002] Lithium-ion battery refers to a secondary battery that mainly relies on the movement of lithium ions between the positive and negative electrodes to work. During the charge and discharge process, lithium ions are embedded and de-embedded between the two electrodes. When charging, lithium ions are de-embedded from the positive electrode and embedded into the negative electrode through the electrolyte. The negative electrode is in a negative lithium state. The opposite is true during discharge. Lithium-ion batteries generally use materials containing lithium as electrodes and are the representative of modern high-performance batteries. However, the automatic turntable liquid filling machine that is easy to clean for lithium-ion battery production cannot meet people's needs.

[0003] The liquid injection machine needs to fix the shell during the process of injecting liquid into the lithium battery shell. The existing method requires fixing by tightening bolts one by one, which is inconvenient. In addition, the liquid injection process is carried out in an exposed environment, and dust is easy to enter during the liquid injection process, which may affect the product quality of the lithium battery. In view of this, we need a liquid injection machine that can quickly and conveniently fix the lithium-ion battery shell. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a liquid injection machine that can quickly and conveniently fix a lithium-ion battery housing, thereby solving the problems mentioned in the above background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a liquid injection machine for conveniently and quickly fixing the lithium-ion battery shell, comprising a workbench, a liquid injection port is arranged on the workbench, a motor is fixedly installed on the inner wall of the workbench, a driving rod is fixedly connected to the output end of the motor, a disc is fixedly installed on the end of the driving rod, a fixing mechanism is arranged on the disc, a protective mechanism is arranged on the workbench, a defoaming mechanism is arranged on the workbench, and the fixing mechanism includes:

[0006] A fixed frame, wherein the fixed frame is fixedly mounted on the outer wall of the disc;

[0007] A load-bearing spring, one end of which is fixedly connected to the inner wall of the fixed frame, and the other end of which is fixedly connected to a load-bearing plate, which is slidably connected to the inner wall of the fixed frame.

[0008] Preferably, a rotating rod is rotatably connected to the inner wall of the fixed frame, the outer wall of the rotating rod is fixedly connected to one end of a limiting torsion spring, and the other end of the limiting torsion spring is fixedly connected to the inner wall of the fixed frame.

[0009] Preferably, a bent plate is fixedly passed through the interior of the rotating rod, the bent plate is arranged in a bent shape, and a clamping block is fixedly mounted on the outer wall of the bent plate.

[0010] Preferably, an elastic plate is fixedly mounted on the outer wall of the bearing plate, a clamping block is fixedly mounted on the outer wall of the elastic plate, the clamping block is in abutment with the inner wall of the fixed frame, and the clamping block is in an extruded state.

[0011] Preferably, a card slot is provided on the fixing frame, and the card slot is located above the card block.

[0012] Preferably, the protection mechanism comprises a protection box, the disc passes through the interior of the protection box, and a round rod is rotatably connected to the inner wall of the protection box.

[0013] Preferably, a mounting block is fixedly sleeved on the outer wall of the round rod, a protective plate is fixedly mounted on the outer wall of the mounting block, the outer wall of the round rod is fixedly connected to one end of a reset torsion spring, and one end of the reset torsion spring is fixedly connected to the inner wall of the protective box.

[0014] Preferably, the defoaming mechanism includes a fixing plate, and the fixing plate is fixedly mounted on the outer wall of the workbench.

[0015] Preferably, an extrusion rod is slidably penetrated inside the fixed plate, one end of a return spring is sleeved on the outer wall of the extrusion rod and fixedly connected to the outer wall of the fixed plate, the other end of the return spring is fixedly connected to the outer wall of the extrusion rod, and a knocking block is fixedly installed on the end of the extrusion rod, and the knocking block is in a fit with the outer wall of the disc.

[0016] Preferably, an eccentric wheel is fixedly sleeved on the outer wall of the driving rod, and the eccentric wheel is located on the side of the extrusion rod.

[0017] The present invention provides a liquid injection machine for fast and convenient fixing of lithium-ion battery shells.

[0018] Beneficial effects:

[0019] 1. The liquid injection machine that can conveniently and quickly fix the lithium-ion battery shell squeezes the bottom end of the bent plate during the downward movement of the carrying plate in the fixing mechanism, so that the rotating rod can drive the upper end of the bent plate to rotate toward the direction of the battery shell, and the clamping block on the outer wall can be driven by the bent plate to clamp and fix the battery shell in the middle. At the same time, the clamping block is connected to the inside of the card slot, so that the two clamping blocks can stably clamp the battery shell in the middle.

[0020] 2. The liquid injection machine that can quickly and conveniently fix the lithium-ion battery shell is squeezed by the protective plate in the protective mechanism, so that the protective plate can be rotated around the round rod to flip toward the inside of the protective box, so that the disc can drive the battery shell inside the fixed frame to rotate to the inside of the protective box for liquid injection. At the same time, the elastic force of the reset torsion spring can make the round rod drive the protective plate to flip and reset to prevent dust from affecting the internal liquid injection work.

[0021] 3. The liquid injection machine that can conveniently and quickly fix the lithium-ion battery shell can squeeze the side squeezing rod by rotating the eccentric wheel in the defoaming mechanism, so that the squeezing rod can drive the end knocking block to move in the direction away from the disc. At the same time, the elastic force of the reset spring can make the squeezing rod drive the knocking block to knock the outer wall of the disc, so that the disc can drive the battery shell inside the fixed frame to vibrate to defoam the internal solution, thereby preventing bubbles from appearing inside and affecting the quality of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall front view structure of the present invention;

[0023] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure in the middle;

[0024] Figure 3 For the present invention Figure 1 A magnified schematic diagram of the structure B in the middle;

[0025] Figure 4 It is a partial structural schematic diagram of the present invention;

[0026] Figure 5 It is a partial cross-sectional view of the structure of the present invention.

[0027] In the figure: 1. workbench; 2. liquid filling port; 3. motor; 4. driving rod; 5. disc; 6. fixing mechanism; 61. fixing frame; 62. load-bearing spring; 63. load-bearing plate; 64. rotating rod; 65. limiting torsion spring; 66. bending plate; 67. clamping block; 68. elastic plate; 69. clamping block; 610. clamping slot; 7. protective mechanism; 71. protective box; 72. round rod; 73. mounting block; 74. reset torsion spring; 75. protective plate; 8. defoaming mechanism; 81. fixing plate; 82. extrusion rod; 83. reset spring; 84. knocking block; 85. eccentric wheel. DETAILED DESCRIPTION

[0028] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 5 The present invention provides a technical solution: a liquid injection machine for fixing a lithium-ion battery shell conveniently and quickly, comprising a workbench 1, a liquid injection port 2 is arranged on the workbench 1, and liquid can be injected into the interior of the battery shell through the liquid injection port 2, a motor 3 is fixedly installed on the inner wall of the workbench 1, a driving rod 4 is fixedly connected to the output end of the motor 3, a disc 5 is fixedly installed at the end of the driving rod 4, and the disc 5 at the end of the driving rod 4 can be driven to rotate by starting the motor 3, a fixing mechanism 6 is arranged on the disc 5, a protective mechanism 7 is arranged on the workbench 1, and a defoaming mechanism 8 is arranged on the workbench 1.

[0030] In this embodiment, a fixing mechanism 6 is provided on the disc 5. When the supporting plate 63 in the fixing mechanism 6 moves downward, the bottom end of the bent plate 66 is squeezed, so that the rotating rod 64 can drive the upper end of the bent plate 66 to rotate toward the direction of the battery shell. The bent plate 66 drives the clamping block 67 on the outer wall to clamp and fix the battery shell in the middle. At the same time, the clamping block 69 is clamped into the interior of the clamping slot 610, so that the two clamping blocks 67 can stably clamp the battery shell in the middle.

[0031] In this embodiment, a protective mechanism 7 is provided on the workbench 1. By squeezing the protective plate 75 in the protective mechanism 7, the protective plate 75 can be rotated around the round rod 72 and flipped toward the inside of the protective box 71, so that the disc 5 can drive the battery shell inside the fixed frame 61 to rotate to the inside of the protective box 71 for liquid injection. At the same time, the elastic force of the reset torsion spring 74 can enable the round rod 72 to drive the protective plate 75 to flip and reset to prevent dust from entering the interior and prevent it from affecting the internal liquid injection work.

[0032] In this embodiment, a debubbling mechanism 8 is provided on the workbench 1. The eccentric wheel 85 in the debubbling mechanism 8 rotates to squeeze the extrusion rod 82 on the side, so that the extrusion rod 82 can drive the end knocking block 84 to move away from the disc 5. At the same time, the elastic force of the reset spring 83 makes the extrusion rod 82 drive the knocking block 84 to knock on the outer wall of the disc 5, so that the disc 5 can drive the battery shell inside the fixed frame 61 to vibrate to debubble the internal solution, thereby preventing bubbles from appearing inside and affecting the battery quality.

[0033] The fixing mechanism 6 includes a fixing frame 61, which is fixed by placing the battery shell inside the fixing frame 61. The fixing frame 61 is fixedly mounted on the outer wall of the disc 5. The disc 5 can drive the upper fixing frame 61 to rotate, and the disc 5 can drive the battery shell inside the fixing frame 61 to rotate to the inside of the protective box 71 for liquid injection. The inner wall of the fixing frame 61 is fixedly connected to one end of a load-bearing spring 62, and a load-bearing plate 63 is fixedly connected to the other end of the load-bearing spring 62. The elastic force of the load-bearing spring 62 can enable the load-bearing plate 63 to push out the upper battery shell to facilitate the removal process. The load-bearing plate 63 is slidably connected to the inner wall of the fixing frame 61, and the load-bearing spring 62 at the bottom can be compressed by pushing the battery shell downward. A rotating rod 64 is rotatably connected to the inner wall of the fixing frame 61, and the outer wall of the rotating rod 64 is fixedly connected to one end of a limiting torsion spring 65, and the other end of the limiting torsion spring 65 is fixedly connected to the inner wall of the fixing frame 61. The inner part of 64 is fixedly penetrated with a bent plate 66, which is set in a bent shape. The bottom end of the bent plate 66 is squeezed by the downward movement of the supporting plate 63, so that the rotating rod 64 of the bent plate 66 can be rotated. A clamping block 67 is fixedly installed on the outer wall of the bent plate 66. The upper end of the bent plate 66 is driven by the rotating rod 64 to rotate toward the direction of the battery shell, and the clamping block 67 on the outer wall can be driven by the bent plate 66 to clamp and fix the battery shell in the middle. An elastic plate is fixedly installed on the outer wall of the supporting plate 63 68, a card block 69 is fixedly installed on the outer wall of the elastic plate 68, and the card block 69 is in a fit state with the inner wall of the fixed frame 61, and the card block 69 is in an extruded state. The elastic force of the elastic plate 68 can make the card block 69 be connected to the inside of the card slot 610, so that the two clamping blocks 67 can stably clamp the battery shell in the middle. A card slot 610 is opened on the fixed frame 61, and the card slot 610 is located above the card block 69. The limit can be released by pushing the card block 69 inside the card slot 610.

[0034] The above-mentioned protection mechanism 7 includes a protection box 71, and the disc 5 passes through the interior of the protection box 71. A round rod 72 is rotatably connected to the inner wall of the protection box 71, and a mounting block 73 is fixedly sleeved on the outer wall of the round rod 72. A protection plate 75 is fixedly installed on the outer wall of the mounting block 73. The protection plate 75 on the protection box 71 is squeezed during the rotation of the fixed frame 61, so that the protection plate 75 can rotate around the round rod 72 and flip toward the inside of the protection box 71. The outer wall of the round rod 72 is fixedly connected to one end of a reset torsion spring 74, and one end of the reset torsion spring 74 is fixedly connected to the inner wall of the protection box 71. The elastic force of the reset torsion spring 74 can make the round rod 72 drive the protection plate 75 to flip and reset to prevent dust from entering the interior and prevent it from affecting the internal liquid injection work.

[0035] The above-mentioned defoaming mechanism 8 includes a fixing plate 81, which is fixedly mounted on the outer wall of the workbench 1. An extrusion rod 82 is slidably penetrated inside the fixing plate 81. One end of a return spring 83 is sleeved on the outer wall of the extrusion rod 82 and is fixedly connected to the outer wall of the fixing plate 81. The other end of the return spring 83 is fixedly connected to the outer wall of the extrusion rod 82. The elastic force of the return spring 83 can make the extrusion rod 82 drive the knocking block 84 to reset and knock the outer wall of the disc 5, so that the disc 5 can drive the inside of the fixed frame 61. The battery shell vibrates to defoam the solution inside the battery shell and prevent bubbles from forming inside that affect the quality of the battery. A knocking block 84 is fixedly installed at the end of the extrusion rod 82. The knocking block 84 is in a fit with the outer wall of the disc 5. An eccentric wheel 85 is fixedly sleeved on the outer wall of the driving rod 4. The eccentric wheel 85 is located on the side of the extrusion rod 82. The driving rod 4 drives the eccentric wheel 85 on the outer wall to rotate to squeeze the extrusion rod 82 on the side, so that the extrusion rod 82 can drive the end knocking block 84 to move away from the disc 5.

[0036] During operation (or use), the battery shell is placed inside the fixed frame 61, and then the battery shell is pushed downward to drive the supporting plate 63 to move downward to compress the supporting spring 62 at the bottom. During the downward movement of the supporting plate 63, the bottom end of the bent plate 66 is squeezed, so that the rotating rod 64 of the bent plate 66 rotates, and then the upper end of the bent plate 66 is driven by the rotating rod 64 to rotate toward the direction of the battery shell, and finally the clamping block 67 on the outer wall is driven by the bent plate 66 to clamp and fix the battery shell in the middle, and at the same time, the supporting plate 63 is used to press the bottom end of the bent plate 66. The card block 69 on the outer wall of the elastic plate 68 is driven to move downward, and the card block 69 is connected to the inside of the card slot 610 through the elastic force of the elastic plate 68, so that the two clamping blocks 67 can stably clamp the battery shell in the middle, and then inject liquid into the battery shell through the injection port 2. After the injection is completed, the disc 5 at the end of the driving rod 4 is driven to rotate by the starting motor 3, and then the upper fixed frame 61 is driven to rotate through the disc 5. During the rotation of the fixed frame 61, the protective plate 75 on the protective box 71 is squeezed, so as to prevent The guard plate 75 rotates around the round rod 72 to flip over inside the protection box 71, and then the disc 5 drives the battery shell inside the fixed frame 61 to rotate to the inside of the protection box 71. At the same time, the round rod 72 drives the guard plate 75 to flip and reset through the elastic force of the reset torsion spring 74 to prevent dust from entering the interior and prevent it from affecting the internal liquid injection work. At the same time, the eccentric wheel 85 on the outer wall is driven by the driving rod 4 to rotate to squeeze the side extrusion rod 82, so that the extrusion rod 82 drives the end knocking block 84 to move away from the disc 5, and then The elastic force of the reset spring 83 causes the extrusion rod 82 to drive the knocking block 84 to reset and knock on the outer wall of the disc 5, so that the disc 5 drives the battery shell inside the fixed frame 61 to vibrate, thereby completing the degassing of the solution inside the battery shell and preventing the appearance of bubbles inside from affecting the quality of the battery. When the battery shell moves out after the liquid is filled inside the protective box 71, the limit is released by pushing the block 69 inside the slot 610. At this time, the elastic force of the supporting spring 62 causes the supporting plate 63 to push out the upper battery shell, so as to facilitate the removal and complete the process.

[0037] 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 liquid injection machine for fast and conveniently fixing a lithium-ion battery housing, comprising a workbench (1), wherein the workbench (1) is provided with a liquid injection port (2), characterized in that: A motor (3) is fixedly mounted on the inner wall of the workbench (1), a driving rod (4) is fixedly connected to the output end of the motor (3), a disc (5) is fixedly mounted on the end of the driving rod (4), a fixing mechanism (6) is arranged on the disc (5), a protection mechanism (7) is arranged on the workbench (1), a defoaming mechanism (8) is arranged on the workbench (1), and the fixing mechanism (6) comprises: A fixed frame (61), wherein the fixed frame (61) is fixedly mounted on the outer wall of the disc (5); A load-bearing spring (62), one end of which is fixedly connected to the inner wall of the fixed frame (61), and the other end of which is fixedly connected to a load-bearing plate (63), and the load-bearing plate (63) is slidably connected to the inner wall of the fixed frame (61).

2. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery housing according to claim 1, characterized in that: A rotating rod (64) is rotatably connected to the inner wall of the fixed frame (61); the outer wall of the rotating rod (64) is fixedly connected to one end of a limiting torsion spring (65); and the other end of the limiting torsion spring (65) is fixedly connected to the inner wall of the fixed frame (61).

3. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery housing according to claim 2, characterized in that: A bent plate (66) is fixedly passed through the interior of the rotating rod (64), the bent plate (66) is arranged in a bent shape, and a clamping block (67) is fixedly mounted on the outer wall of the bent plate (66).

4. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery housing according to claim 3, characterized in that: An elastic plate (68) is fixedly mounted on the outer wall of the bearing plate (63), a clamping block (69) is fixedly mounted on the outer wall of the elastic plate (68), the clamping block (69) is in a fitted state with the inner wall of the fixed frame (61), and the clamping block (69) is in a squeezed state.

5. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery housing according to claim 4, characterized in that: The fixing frame (61) is provided with a card slot (610), and the card slot (610) is located above the card block (69).

6. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery housing according to claim 1, characterized in that: The protection mechanism (7) comprises a protection box (71), the disc (5) penetrates the interior of the protection box (71), and a round rod (72) is rotatably connected to the inner wall of the protection box (71).

7. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery housing according to claim 6, characterized in that: A mounting block (73) is fixedly sleeved on the outer wall of the round rod (72), a protective plate (75) is fixedly mounted on the outer wall of the mounting block (73), the outer wall of the round rod (72) is fixedly connected to one end of a return torsion spring (74), and one end of the return torsion spring (74) is fixedly connected to the inner wall of the protective box (71).

8. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery casing according to claim 1, characterized in that: The defoaming mechanism (8) comprises a fixing plate (81), and the fixing plate (81) is fixedly mounted on the outer wall of the workbench (1).

9. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery casing according to claim 8, characterized in that: An extrusion rod (82) is slidably penetrated inside the fixing plate (81), one end of a return spring (83) is sleeved on the outer wall of the extrusion rod (82) and fixedly connected to the outer wall of the fixing plate (81), and the other end of the return spring (83) is fixedly connected to the outer wall of the extrusion rod (82), and a knocking block (84) is fixedly installed at the end of the extrusion rod (82), and the knocking block (84) is in a fit state with the outer wall of the disc (5).

10. A liquid injection machine for conveniently and quickly fixing a lithium-ion battery housing according to claim 9, characterized in that: An eccentric wheel (85) is fixedly sleeved on the outer wall of the driving rod (4), and the eccentric wheel (85) is located on the side of the extrusion rod (82).

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