Buffer device for entering graphene battery cell into shell

Abstract

The invention relates to the technical field of battery production, in particular to a graphene battery cell shell entering buffer device which comprises a rack. The rack is provided with a positioning seat; the positioning seat is provided with a positioning groove; a liquid injection cavity is formed in the rack; a piston plate is movably arranged in the liquid injection cavity in a sealing and lifting manner; the piston plate is arranged at the bottom of the positioning groove; the support is movably provided with a clamping mechanism in a lifting mode. A first liquid injection rod and a second liquid injection rod are horizontally arranged on the mounting plate in a sliding manner; and hoses are arranged between the first liquid injection rod and the liquid injection cavity and between the second liquid injection rod and the liquid injection cavity. A lifting plate is driven to descend, so that the lifting plate, a mounting plate, a battery cell, a battery shell and a piston plate synchronously move downwards, in the downward moving process of the piston plate, electrolyte in a liquid injection cavity can enter the battery shell through a hose, a first liquid injection rod and a second liquid injection rod, and in the process, the electrolyte can be injected into the battery shell through the hose, the first liquid injection rod and the second liquid injection rod. Buffering and speed reduction of the insertion action are achieved, the electrolyte injection step is synchronously completed, and the assembly efficiency and coordination are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of battery production, in particular to a graphene battery cell shell insertion buffer device. BACKGROUND

[0002] In the assembly process of a graphene battery, a cell needs to be inserted into a pre-liquid-filled battery shell to complete the assembly. However, the traditional automatic insertion device generally has the following problems: firstly, the cell pushing process lacks effective buffer control, which easily causes insertion impact damage to the shell or the cell body; secondly, the clamping and releasing actions depend on electronic control signals, and there are problems of response lag or incoordination in releasing; thirdly, the liquid injection step is usually separated from the insertion assembly process, and the process is complicated and has poor synchronization, which affects the overall assembly efficiency and consistency. Therefore, a structural innovation with insertion buffer, synchronous liquid injection and clamping linkage control is urgently needed to improve the integration and stability of the graphene battery production line. SUMMARY

[0003] The application aims to solve the above problems in the prior art and provides a graphene battery cell shell insertion buffer device.

[0004] The application is achieved by the following technical scheme: a graphene battery cell shell insertion buffer device, comprising a rack; the rack is provided with a positioning seat; the positioning seat is provided with a positioning groove; the rack is provided with a liquid injection cavity; a piston plate is movably arranged in the liquid injection cavity; the piston plate is arranged at the bottom of the positioning groove; The rack is provided with a support; the support is movably provided with a clamping mechanism; the clamping mechanism comprises a lifting plate and a mounting plate; the lifting plate is horizontally slidably provided with a first clamping rod and a second clamping rod; the first clamping rod and the second clamping rod are movably arranged on the mounting plate; the mounting plate is horizontally slidably provided with a first liquid injection rod and a second liquid injection rod; the first clamping rod and the second clamping rod are respectively used for driving the first liquid injection rod and the second liquid injection rod to move; the first liquid injection rod and the second liquid injection rod are used for abutting against the top surface of the battery shell; a hose is arranged between the first liquid injection rod and the liquid injection cavity and between the second liquid injection rod and the liquid injection cavity.

[0005] The application is further provided with the following arrangement: the lifting plate is provided with a first horizontal limiting groove and a second horizontal limiting groove in the horizontal direction; the mounting plate is provided with a receiving cavity; the receiving cavity is provided with a first inclined limiting groove and a second inclined limiting groove; the inclination direction of the first inclined limiting groove is opposite to that of the second inclined limiting groove; The top of the first clamping rod is movably arranged in the first horizontal limiting groove; the bottom of the first clamping rod is movably arranged in the first inclined limiting groove; the top of the second clamping rod is movably arranged in the second horizontal limiting groove; and the bottom of the second clamping rod is movably arranged in the second inclined limiting groove.

[0006] The first clamping rod is provided with a guide rod; the mounting plate is provided with a guide groove in the lifting direction; the guide rod is movably arranged in the guide groove; the second clamping rod is slidably arranged in the guide rod; a first tension spring is arranged between the first clamping rod and the second clamping rod; and the first tension spring is sleeved on the guide rod.

[0007] The first clamping rod is provided with a first clamping groove in the horizontal direction; the first clamping groove is slidably provided with a first clamping jaw; a first clamping spring is arranged between the first clamping jaw and the first clamping groove; the second clamping rod is provided with a second clamping groove in the horizontal direction; the second clamping groove is slidably provided with a second clamping jaw; and a second clamping spring is arranged between the second clamping jaw and the second clamping groove.

[0008] The mounting plate is provided with a first liquid injection groove in communication with the accommodating cavity on one side in the horizontal direction; the first liquid injection rod is slidably arranged between the first liquid injection groove and the accommodating cavity; a first liquid injection spring is arranged between the first liquid injection groove and the first liquid injection rod; the mounting plate is provided with a second liquid injection groove in communication with the accommodating cavity on the other side in the horizontal direction; the second liquid injection rod is slidably arranged between the second liquid injection groove and the accommodating cavity; a second liquid injection spring is arranged between the second liquid injection groove and the second liquid injection rod; the bottom of the first clamping rod is used for abutting against the first liquid injection rod; and the bottom of the second clamping rod is used for abutting against the second liquid injection rod.

[0009] A first one-way valve is arranged between the liquid injection cavity and the hose.

[0010] A liquid storage cavity in communication with the liquid injection cavity is arranged in the rack; a second one-way valve is arranged between the liquid injection cavity and the liquid storage cavity; and the rack is provided with a liquid supplementing opening in communication with the liquid storage cavity.

[0011] A cylinder is arranged at the top of the support; an output end of the cylinder is provided with a compression plate; the compression plate is arranged at the bottom of the lifting plate; and a second tension spring is arranged between the compression plate and the lifting plate.

[0012] The support is provided with a guide protrusion in the lifting mode; the lifting plate and the mounting plate are both provided with dovetail grooves matched with the guide protrusion.

[0013] The positioning seat is provided with a support rod used for abutting against the bottom surface of the mounting plate; the support rod is arranged at the bottom of the guide protrusion; and a return spring is arranged between the bottom of the piston plate and the liquid injection cavity.

[0014] The beneficial effects of the present application are as follows: the present application drives the lifting plate to descend, so that the lifting plate, the mounting plate, the battery cell, the battery shell and the piston plate move downward synchronously, in the process of the downward movement of the piston plate, the electrolyte in the liquid injection cavity can enter into the inside of the battery shell through the hose, the first liquid injection rod and the second liquid injection rod, in this process, the buffering and deceleration of the insertion action are realized, and the electrolyte injection step is also completed synchronously, so that the assembly efficiency and coordination are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the present application cooperating with the battery shell and the battery cell; Figure 2 is a sectional view of the present application cooperating with the battery shell and the battery cell; Figure 3 is Figure 2 a local enlarged view of the A part in the figure; Figure 4 is a structural schematic view of the present application; Figure 5 is Figure 4 a local enlarged view of the B part in the figure; Figure 6 is a structural schematic view of the clamping mechanism of the present application; Figure 7 is a structural schematic view of the clamping mechanism of the present application from another perspective; Figure 8 is a sectional view of the clamping mechanism of the present application; 1, rack; 11, liquid injection cavity; 12, piston plate; 13, return spring; 14, first one-way valve; 15, liquid storage cavity; 16, second one-way valve; 17, liquid supplementing port; 2, positioning seat; 21, positioning groove; 22, support rod; 3, support; 31, air cylinder; 32, compression plate; 33, second tension spring; 34, guide protrusion; 4, lifting plate; 41, first horizontal limiting groove; 42, second horizontal limiting groove; 43, dovetail groove; 5, mounting plate; 51, first inclined limiting groove; 52, second inclined limiting groove; 53, accommodating cavity; 54, guide groove; 61, first clamping rod; 62, second clamping rod; 63, guide rod; 64, first tension spring; 71, first liquid injection rod; 72, second liquid injection rod; 73, hose; 74, first liquid injection groove; 75, first liquid injection spring; 76, second liquid injection groove; 77, second liquid injection spring; 81, first clamping groove; 82, first clamping jaw; 83, first clamping spring; 84, second clamping groove; 85, second clamping jaw; 86, second clamping spring; 91, battery shell; 92, battery cell. DETAILED DESCRIPTION

[0016] The present application is further described in conjunction with the following examples.

[0017] ByFigures 1 to 8 The graphene battery cell shell buffering device provided in the embodiment comprises a rack 1; the rack 1 is provided with a positioning seat 2; the positioning seat 2 is provided with a positioning groove 21; the rack 1 is provided with a liquid injection cavity 11; the liquid injection cavity 11 is provided with a piston plate 12 which is sealingly and movably arranged; the piston plate 12 is arranged at the bottom of the positioning groove 21; The rack 1 is provided with a support 3; the support 3 is movably provided with a clamping mechanism; the clamping mechanism comprises a lifting plate 4 and a mounting plate 5; the lifting plate 4 is horizontally slidably provided with a first clamping rod 61 and a second clamping rod 62; the first clamping rod 61 and the second clamping rod 62 are movably arranged on the mounting plate 5; the mounting plate 5 is horizontally slidably provided with a first liquid injection rod 71 and a second liquid injection rod 72; the first clamping rod 61 and the second clamping rod 62 are respectively used to drive the first liquid injection rod 71 and the second liquid injection rod 72 to move; the first liquid injection rod 71 and the second liquid injection rod 72 are used to abut against the top surface of the battery shell 91; the first liquid injection rod 71 and the liquid injection cavity 11 and the second liquid injection rod 72 and the liquid injection cavity 11 are both provided with a hose 73.

[0018] Specifically, the graphene battery cell shell buffering device provided in the embodiment is used as follows: first, the battery shell 91 is placed in the positioning groove 21 and on the top of the piston plate 12, and the cell 92 is clamped between the first clamping rod 61 and the second clamping rod 62; then the lifting plate 4 is driven to descend, and the lifting plate 4 drives the mounting plate 5, the first liquid injection rod 71 and the second liquid injection rod 72 to move downward; when the first liquid injection rod 71 and the second liquid injection rod 72 abut against the top surface of the battery shell 91 respectively, the liquid outlet of the first liquid injection rod 71 and the liquid outlet of the second liquid injection rod 72 are both directed toward the inside of the battery shell 91; the lifting plate 4 is continuously driven to descend, so that the lifting plate 4, the mounting plate 5, the cell 92, the battery shell 91 and the piston plate 12 move downward synchronously; in the process of moving downward of the piston plate 12, the electrolyte in the liquid injection cavity 11 is injected into the inside of the battery shell 91 through the hose 73, the first liquid injection rod 71 and the second liquid injection rod 72; in this process, the buffering and deceleration of the insertion action are realized, and the electrolyte injection step is also completed synchronously, so that the assembly efficiency and coordination are improved.

[0019] The graphene battery cell shell buffering device provided in the embodiment, the lifting plate 4 is provided with a first horizontal limiting groove 41 and a second horizontal limiting groove 42 in the horizontal direction; the mounting plate 5 is internally provided with a containing cavity 53; the containing cavity 53 is internally provided with a first inclined limiting groove 51 and a second inclined limiting groove 52; the inclination direction of the first inclined limiting groove 51 is opposite to that of the second inclined limiting groove 52; the top of the first clamping rod 61 is movably arranged in the first horizontal limiting groove 41; the bottom of the first clamping rod 61 is movably arranged in the first inclined limiting groove 51; the top of the second clamping rod 62 is movably arranged in the second horizontal limiting groove 42; the bottom of the second clamping rod 62 is movably arranged in the second inclined limiting groove 52. The graphene battery cell shell buffering device provided in the embodiment, the first clamping rod 61 is provided with a first clamping groove 81 in the horizontal direction; the first clamping groove 81 is slidably provided with a first clamping jaw 82; the first clamping jaw 82 and the first clamping groove 81 are provided with a first clamping spring 83 therebetween; the second clamping rod 62 is provided with a second clamping groove 84 in the horizontal direction; the second clamping groove 84 is slidably provided with a second clamping jaw 85; the second clamping jaw 85 and the second clamping groove 84 are provided with a second clamping spring 86 therebetween. The graphene battery cell shell buffering device provided in the embodiment, one side of the mounting plate 5 is provided with a first liquid injection groove 74 communicating with the containing cavity 53 in the horizontal direction; the first liquid injection rod 71 is slidably arranged between the first liquid injection groove 74 and the containing cavity 53; the first liquid injection groove 74 and the first liquid injection rod 71 are provided with a first liquid injection spring 75 therebetween; the other side of the mounting plate 5 is provided with a second liquid injection groove 76 communicating with the containing cavity 53 in the horizontal direction; the second liquid injection rod 72 is slidably arranged between the second liquid injection groove 76 and the containing cavity 53; the second liquid injection groove 76 and the second liquid injection rod 72 are provided with a second liquid injection spring 77 therebetween; the bottom of the first clamping rod 61 is used for abutting against the first liquid injection rod 71; the bottom of the second clamping rod 62 is used for abutting against the second liquid injection rod 72. The graphene battery cell shell buffering device provided in the embodiment, the top of the support 3 is provided with a pneumatic cylinder 31; the output end of the pneumatic cylinder 31 is provided with a compression plate 32; the compression plate 32 is arranged at the bottom of the lifting plate 4; the compression plate 32 and the lifting plate 4 are provided with a second tension spring 33 therebetween. The graphene battery cell shell buffering device provided in the embodiment, the support 3 is provided with a guide protrusion 34 in the lifting mode; the lifting plate 4 and the mounting plate 5 are both provided with a dovetail groove 43 matched with the guide protrusion 34. The graphene battery cell shell buffering device provided in the embodiment, the positioning seat 2 is provided with a support rod 22 used for abutting against the bottom surface of the mounting plate 5; the support rod 22 is arranged at the bottom of the guide protrusion 34; the bottom of the piston plate 12 and the liquid injection cavity 11 are provided with a reset spring 13 therebetween.

[0020] Specifically, the graphene battery cell shell buffering device described in the embodiment, when starting to be used, under the action of the first tension spring 64, the top of the first clamping rod 61 is located inside the first horizontal limiting groove 41, the bottom of the first clamping rod 61 is located at the top of the first inclined limiting groove 51, the top of the second clamping rod 62 is located inside the second horizontal limiting groove 42, and the bottom of the second clamping rod is located at the top of the second inclined limiting groove 52, so that the first clamping rod 61 and the second clamping rod 62 are close to each other, at this time, the distance between the first clamping jaw 82 and the second clamping jaw 85 is relatively small, and under the action of the first liquid injection spring 75 and the second liquid injection spring 77, the first liquid injection rod 71 and the second liquid injection rod 72 are close to each other.

[0021] Firstly, the battery shell 91 is placed in the positioning groove 21 and on the top of the piston plate 12, and at the same time, the first clamping jaw 82 and the second clamping jaw 85 are opened to clamp the cell 92 between the first clamping jaw 82 and the second clamping jaw 85, then the air cylinder 31 is started, the compression plate 32 drives the lifting plate 4 to move downward through the second tension spring 33, and at the same time, under the action of the first tension spring 64, the mounting plate 5 moves downward with the lifting plate 4, and the first liquid injection rod 71 and the second liquid injection rod 72 move downward, when the first liquid injection rod 71 and the second liquid injection rod 72 abut against the top surface of the battery shell 91, at this time, the liquid outlet of the first liquid injection rod 71 and the liquid outlet of the second liquid injection rod 72 are both directed to the inside of the battery shell 91; Then the compression plate 32 continues to drive the lifting plate 4 to descend, so that the lifting plate 4, the mounting plate 5, the battery cell 92, the battery shell 91 and the piston plate 12 are synchronously moved downward, in the process of the piston plate 12 moving downward, the electrolyte in the liquid injection cavity 11 can enter into the inside of the battery shell 91 through the hose 73, the first liquid injection rod 71 and the second liquid injection rod 72; until the bottom surface of the mounting plate 5 abuts against the supporting rod 22, the mounting plate 5 cannot continue to move downward, at this time, if the compression plate 32 continues to drive the lifting plate 4 to descend, the lifting plate 4 will move downward relative to the mounting plate 5, under the action of the first horizontal limiting groove 41, the second horizontal limiting groove 42, the first inclined limiting groove 51 and the second inclined limiting groove 52, the first clamping rod 61 and the second clamping rod 62 move away from each other against the action of the first tension spring 64, so that the first clamping jaw 82 and the second clamping jaw 85 release the battery cell 92, and when the first clamping rod 61 moves to the bottom of the first inclined limiting groove 51 and the second clamping rod 62 moves to the bottom of the second inclined limiting groove 52, the first clamping rod 61 pushes the first liquid injection rod 71 to move, the second clamping rod 62 pushes the second liquid injection rod 72 to move, so that the first liquid injection rod 71 and the second liquid injection rod 72 move away from each other, at this time, the first liquid injection rod 71 and the second liquid injection rod 72 no longer abut against the top surface of the battery shell 91, and the battery shell 91 moves upward under the action of the reset spring 13; and at this time, if the compression plate 32 continues to move downward, the compression plate 32 drives the battery cell 92 to move downward against the action of the second tension spring 33, so that the battery cell 92 and the battery shell 91 are assembled.

[0022] The first clamping rod 61 is provided with a guide rod 63; the mounting plate 5 is provided with a guide groove 54 in the lifting direction; the guide rod 63 is movably arranged in the guide groove 54; the second clamping rod 62 is slidably arranged in the guide rod 63; and the first clamping rod 61 and the second clamping rod 62 are provided with the first tension spring 64, and the first tension spring 64 is sleeved outside the guide rod 63. Through the above arrangement, the first clamping rod 61 and the second clamping rod 62 can stably move.

[0023] The first clamping rod 61 is provided with a guide rod 63; the mounting plate 5 is provided with a guide groove 54 in the lifting direction; the guide rod 63 is movably arranged in the guide groove 54; the second clamping rod 62 is slidably arranged in the guide rod 63; and the first clamping rod 61 and the second clamping rod 62 are provided with the first tension spring 64, and the first tension spring 64 is sleeved outside the guide rod 63. Through the above arrangement, the first clamping rod 61 and the second clamping rod 62 can stably move.

[0024] The first clamping rod 61 is provided with a guide rod 63; the mounting plate 5 is provided with a guide groove 54 in the lifting direction; the guide rod 63 is movably arranged in the guide groove 54; the second clamping rod 62 is slidably arranged in the guide rod 63; and the first clamping rod 61 and the second clamping rod 62 are provided with the first tension spring 64, and the first tension spring 64 is sleeved outside the guide rod 63. Through the above arrangement, the first clamping rod 61 and the second clamping rod 62 can stably move.

[0025] It should be pointed out finally that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A buffer device for inserting graphene battery cells into a casing, characterized in that: Includes a frame (1); the frame (1) is provided with a positioning seat (2); the positioning seat (2) is provided with a positioning groove (21); the frame (1) is provided with an injection chamber (11); a piston plate (12) is provided in the injection chamber (11) with sealing and lifting movement; the piston plate (12) is located at the bottom of the positioning groove (21); The frame (1) is provided with a bracket (3); the bracket (3) is movably equipped with a clamping mechanism; the clamping mechanism includes a lifting plate (4) and a mounting plate (5); the lifting plate (4) is slidably equipped with a first clamping rod (61) and a second clamping rod (62); the first clamping rod (61) and the second clamping rod (62) are movably mounted on the mounting plate (5); the mounting plate (5) is slidably equipped with a first injection rod (71) and a second injection rod (72); the first clamping rod (61) and the second clamping rod (62) are respectively used to drive the first injection rod (71) and the second injection rod (72) to move; the first injection rod (71) and the second injection rod (72) are used to abut against the top surface of the battery casing (91); a hose (73) is provided between the first injection rod (71) and the injection cavity (11) and between the second injection rod (72) and the injection cavity (11).

2. The graphene battery cell housing buffer device according to claim 1, characterized in that: The lifting plate (4) is provided with a first horizontal limiting groove (41) and a second horizontal limiting groove (42) in the horizontal direction; the mounting plate (5) is provided with a receiving cavity (53); the receiving cavity (53) is provided with a first inclined limiting groove (51) and a second inclined limiting groove (52); the inclined direction of the first inclined limiting groove (51) is opposite to the inclined direction of the second inclined limiting groove (52); The top of the first clamping rod (61) is movably disposed in the first horizontal limiting groove (41); the bottom of the first clamping rod (61) is movably disposed in the first inclined limiting groove (51); the top of the second clamping rod (62) is movably disposed in the second horizontal limiting groove (42); the bottom of the second clamping rod (62) is movably disposed in the second inclined limiting groove (52).

3. The graphene battery cell housing buffer device according to claim 2, characterized in that: The first clamping rod (61) is provided with a guide rod (63); the mounting plate (5) is provided with a guide groove (54) along the lifting direction; the guide rod (63) is movably disposed in the guide groove (54); the second clamping rod (62) is slidably disposed on the guide rod (63); a first tension spring (64) is provided between the first clamping rod (61) and the second clamping rod (62); the first tension spring (64) is sleeved on the outside of the guide rod (63).

4. The graphene battery cell housing buffer device according to claim 2, characterized in that: The first clamping rod (61) is provided with a first clamping groove (81) in the horizontal direction; the first clamping groove (81) is slidably provided with a first gripper (82); a first clamping spring (83) is provided between the first gripper (82) and the first clamping groove (81); the second clamping rod (62) is provided with a second clamping groove (84) in the horizontal direction; the second clamping groove (84) is slidably provided with a second gripper (85); a second clamping spring (86) is provided between the second gripper (85) and the second clamping groove (84).

5. A graphene battery cell housing buffer device according to claim 4, characterized in that: The mounting plate (5) has a first injection groove (74) communicating with the accommodating cavity (53) along a horizontal direction on one side; the first injection rod (71) is slidably disposed between the first injection groove (74) and the accommodating cavity (53); a first injection spring (75) is disposed between the first injection groove (74) and the first injection rod (71); the mounting plate (5) has a second injection groove (76) communicating with the accommodating cavity (53) along a horizontal direction on the other side; the second injection rod (72) is slidably disposed between the second injection groove (76) and the accommodating cavity (53); a second injection spring (77) is disposed between the second injection groove (76) and the second injection rod (72); the bottom of the first clamping rod (61) is used to abut against the first injection rod (71); the bottom of the second clamping rod (62) is used to abut against the second injection rod (72).

6. The graphene battery cell housing buffer device according to claim 1, characterized in that: A first check valve (14) is provided between the injection chamber (11) and the hose (73).

7. The graphene battery cell housing buffer device according to claim 1, characterized in that: The frame (1) is provided with a storage chamber (15) that communicates with the injection chamber (11); a second one-way valve (16) is provided between the injection chamber (11) and the storage chamber (15); the frame (1) is provided with a replenishment port (17) that communicates with the storage chamber (15).

8. A graphene battery cell housing buffer device according to claim 5, characterized in that: The top of the bracket (3) is provided with a cylinder (31); the output end of the cylinder (31) is provided with a compression plate (32); the compression plate (32) is located at the bottom of the lifting plate (4); a second tension spring (33) is provided between the compression plate (32) and the lifting plate (4).

9. A graphene battery cell housing buffer device according to claim 8, characterized in that: The bracket (3) is provided with a guide protrusion (34) along the lifting method; the lifting plate (4) and the mounting plate (5) are both provided with dovetail grooves (43) that cooperate with the guide protrusion (34).

10. A graphene battery cell housing buffer device according to claim 9, characterized in that: The positioning seat (2) is provided with a support rod (22) for abutting against the bottom surface of the mounting plate (5); the support rod (22) is located at the bottom of the guide protrusion (34); a return spring (13) is provided between the bottom of the piston plate (12) and the injection chamber (11).

Images