Cylindrical cell baking temperature measuring structure

Abstract

The invention discloses a cylindrical battery cell baking temperature measurement structure, which comprises a baking oven body, a battery clamp, a battery cell, an in-box telescopic laying mechanism, an out-box telescopic rod pushing mechanism and a temperature measurement probe mechanism motor, and is characterized in that the battery clamp is located in the baking oven body, and the battery cell is located on the battery clamp; the in-box telescopic laying mechanism comprises a driving motor, a coupler, a sealing shaft sleeve connected with the box body, a main shaft, a first bevel gear, a transmission shaft, a second bevel gear, a transmission shaft seat, a shaft fixing ring, a first extension rod, an extension rod push rod sliding table, an extension rod push rod, a second extension rod and a third extension rod, and the driving motor is connected with the main shaft through the coupler; the main shaft is fastened in a shaft hole of the box body connection sealing shaft sleeve, and rubber rings are arranged outside two sides of the box body connection sealing shaft sleeve for sealing. According to the method, the large change condition of the temperature in the cell in the production process of the cell is effectively mastered, and the method plays a positive role in improving the production process and improving the production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of lithium batteries, and in particular to a cylindrical battery core baking temperature measurement structure. Background Art

[0002] In the manufacturing process of lithium batteries, cell baking is an extremely important process link. Understanding the real-time temperature changes inside the cell during the production process plays an important role in improving the production process and enhancing production efficiency. The existing technical means is to manually place the temperature probe into the cell, which has limited data acquisition and low efficiency. In view of the existing problems, an automatic online temperature measurement mechanism for the baking cell is designed. Summary of the invention

[0003] Based on the technical problems existing in the background technology, the present invention proposes a cylindrical battery core baking temperature measurement structure.

[0004] The present invention provides a cylindrical battery cell baking temperature measurement structure, comprising an oven box, a battery fixture, a battery cell, a telescopic placement mechanism inside the box, a telescopic rod pushing mechanism outside the box, and a temperature measuring probe mechanism motor, wherein the battery fixture is located inside the oven box, and the battery cell is located on the battery fixture; The telescopic deployment mechanism in the box includes a driving motor, a coupling, a sealing sleeve connected to the box body, a main shaft, a first bevel gear, a transmission shaft, a second bevel gear, a transmission shaft seat, a shaft fixing ring, a first extension rod, an extension rod push rod slide, an extension rod push rod, a second extension rod and a third extension rod. The driving motor is connected to the main shaft through a coupling, the main shaft is fastened in the shaft hole of the sealing sleeve connected to the box body, and rubber ring seals are provided on the outside of both sides of the sealing sleeve connected to the box body. The main shaft and the first bevel gear, the transmission shaft and the first extension rod are all connected by a key, the transmission shaft is meshed with the transmission shaft seat, the two ends of the transmission shaft are fixed by a retaining spring, the shaft fixing ring and the transmission shaft are fixed to both sides of the transmission shaft by a top screw, and the transmission shaft seat is connected to the inner wall of the oven box body by screws.

[0005] Preferably, the telescopic rod pushing mechanism outside the box includes an adjustable cylinder push-pull rod, an electromagnet, a connecting block, a through-hole sealing plate, a moving slider, a large assembly plate for the telescopic rod pushing mechanism outside the box, a linear guide rail and a sealing plate transplanting cylinder; The adjustable cylinder push-pull rod is connected to the extension rod push rod, the electromagnet is located at one end of the adjustable cylinder push-pull rod, the connecting block is connected to the through-hole sealing plate, the movable slider is located on one side of the through-hole sealing plate, and the movable slider is also respectively connected to the linear guide rail and the large plate for assembling the telescopic rod pushing mechanism outside the box, and the large plate for assembling the telescopic rod pushing mechanism outside the box is connected to the sealing plate transplanting cylinder.

[0006] Preferably, one end of the third extension rod is connected to a temperature measuring connecting wire, and one end of the temperature measuring connecting wire is connected to a temperature measuring probe, and the temperature measuring probe is used to measure the temperature of the battery cell.

[0007] The beneficial effects of the present invention are: effectively grasping the large temperature changes in the battery core during the production process, which plays a positive role in improving the production process and enhancing the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a front cross-sectional view of the cylindrical battery baking temperature measurement structure design proposed by the present invention; Figure 2 A side cross-sectional view of the cylindrical battery baking temperature measurement structure design proposed by the present invention; Figure 3 The telescopic deployment mechanism in the box proposed by the present invention; Figure 4 The telescopic rod pushing mechanism outside the box proposed by the present invention; Figure 5 This is a working cross-sectional view of the battery cell baking mechanical mechanism proposed by the present invention.

[0009] In the figure: 1. oven body; 2. battery fixture; 3. battery cell; 4. telescopic placement mechanism inside the box; 5. telescopic rod pushing mechanism outside the box; 6. temperature probe mechanism motor; 41. drive motor; 42. coupling; 43. sealing sleeve connected to the box body; 44. main shaft; 45. first bevel gear; 46. transmission shaft; 47. second bevel gear; 48. transmission shaft seat; 49. shaft fixing ring; 410. first extension rod; 411. extension rod push rod slide; 412. extension rod push rod; 413. second extension rod; 414. third extension rod; 51. adjustable cylinder push-pull rod; 52. electromagnet; 53. connecting block; 54. through-hole sealing plate; 55. moving slider; 56. assembly plate of telescopic rod pushing mechanism outside the box; 57. linear guide; 58. sealing plate transplanting cylinder; 61. temperature measuring connecting line; 62. temperature measuring probe. DETAILED DESCRIPTION

[0010] The present invention will be further explained below in conjunction with specific embodiments. Example

[0011] refer to Figure 1-5 In this embodiment, a cylindrical battery cell baking temperature measurement structure is proposed, including an oven box 1, a battery clamp 2, a battery cell 3, an in-box telescopic placement mechanism 4, an out-box telescopic rod pushing mechanism 5 and a temperature measuring probe mechanism motor 6. Through the coordinated work of these structures, an efficient and accurate workflow for online temperature measurement of battery cell baking is achieved. The battery clamp 2 is located in the oven box 1, and the battery cell 3 is located on the battery clamp 2.

[0012] like Figure 5As shown, it is a cross-sectional view of the working mechanism of the battery cell baking mechanism. Its working process is that when the battery cell 3 to be baked is clamped by the robot and placed in the battery clamp 2 and is sent into the cavity of the oven box 1 after being full, the telescopic placement mechanism 4 in the box is started.

[0013] like Figure 3 As shown, the telescopic deployment mechanism 4 in the box includes a driving motor 41, a coupling 42, a sealing sleeve 43 connected to the box body, a main shaft 44, a first bevel gear 45, a transmission shaft 46, a second bevel gear 47, a transmission shaft seat 48, a shaft fixing ring 49, a first extension rod 410, an extension rod push rod slide 411, an extension rod push rod 412, a second extension rod 413 and a third extension rod 414. The driving motor 41 is connected to the main shaft 44 through the coupling 42, and the main shaft 44 is fastened in the shaft hole of the sealing sleeve 43 connected to the box body. Rubber rings are provided on both sides of the sealing sleeve 43 connected to the box body. The main shaft 44 and the first bevel gear 45, the transmission shaft 46 and the first extension rod 410 are all connected by keys, and the transmission shaft 46 is meshed with the transmission shaft seat 48. The two ends of the transmission shaft 46 are fixed by means of retaining springs, and the shaft fixing ring 49 and the transmission shaft 46 are fixed to both sides of the transmission shaft 46 by means of top screws, which are used to determine and tighten the transmission shaft 48. The transmission shaft seat 48 is connected to the inner wall of the oven body 1 by screws. When it is detected that the battery cell 3 to be baked and the battery cell fixture 2 assembly have been placed in the oven 1, the driving motor 41 is started, and the main shaft 44 drives the first bevel gear 45 to mesh with the second bevel gear 47 to make the extension rod assembly (the first extension rod 410, the extension rod push rod slide 411, the extension rod push rod 412, the second extension rod 413 and the third extension rod 414) in the unexpanded state, and changes from being parallel to the right inner wall of the oven body 1 to being perpendicular to the right inner wall of the oven body 1, and the telescopic rod pushing mechanism 5 outside the box is started.

[0014] like Figure 4 As shown, the telescopic rod pushing mechanism 5 outside the box includes an adjustable cylinder push-pull rod 51, an electromagnet 52, a connecting block 53, a through-hole sealing plate 54, a moving slider 55, a large assembly plate 56 for the telescopic rod pushing mechanism outside the box, a linear guide rail 57 and a sealing plate transfer cylinder 58; The adjustable cylinder push-pull rod 51 is connected to the extension rod push rod 412, the electromagnet 52 is located at one end of the adjustable cylinder push-pull rod 51, the connecting block 53 is connected to the through-hole sealing plate 54, the moving slider 55 is located on one side of the through-hole sealing plate 54, and the moving slider 55 is also respectively connected to the linear guide rail 57 and the large plate 56 for assembling the telescopic rod pushing mechanism outside the box, the large plate 56 for assembling the telescopic rod pushing mechanism outside the box is connected to the sealing plate transplanting cylinder 58, one end of the third extension rod 414 is connected to a temperature measuring connecting line 61, and one end of the temperature measuring connecting line 61 is connected to a temperature measuring probe 62, the temperature measuring probe 62 is used to measure the temperature of the battery cell 3, when it is detected that the extension rod assembly (the first extension rod 410, the extension rod push rod slide 411) is When the undeployed state is changed to be perpendicular to the right inner wall of the oven body 1, the sealing plate transferring cylinder 58 is retracted, driving the through-hole sealing plate 54 to move through the linear guide mechanism moving slider 55 and the linear guide 57, and the adjustable cylinder push-pull rod 51 pushes the stretching rod push rod 412 according to the set length, pushes the stretching rod push rod 412 and the third stretching rod 414 to the set distance, and the stretching rod assembly (the first stretching rod 410, the stretching rod push rod slide 411, the stretching rod push rod 412, the second stretching rod 413 and the third stretching rod 414) is changed to the deployed state, the adjustable cylinder push-pull rod 51 is retracted, and the sealing plate transferring cylinder 58 moves down, so that the through-hole sealing plate 54 blocks the box opening.

[0015] like Figure 2 As shown, the telescopic placement mechanism 4 in the box rotates again to select the set measurement cell center hole position, the temperature probe mechanism motor 6 is started, and the temperature probe 62 is placed into the set cell 3 to realize online measurement of the cell 3 temperature.

[0016] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cylindrical battery cell baking temperature measurement structure, comprising a baking oven body (1), a battery fixture (2), a battery cell (3), an in-box telescopic placement mechanism (4), an out-box telescopic rod pushing mechanism (5) and a temperature measuring probe mechanism motor (6), characterized in that: The battery fixture (2) is located in the oven body (1), and the battery cell (3) is located on the battery fixture (3); The telescopic deployment mechanism (4) in the box comprises a driving motor (41), a coupling (42), a sealing sleeve (43) connected to the box body, a main shaft (44), a first bevel gear (45), a transmission shaft (46), a second bevel gear (47), a transmission shaft seat (48), a shaft fixing ring (49), a first extension rod (410), an extension rod push rod slide (411), an extension rod push rod (412), a second extension rod (413) and a third extension rod (414). The driving motor (41) is connected to the main shaft (44) via the coupling (42). 44) is fastened in the shaft hole of the box body connecting sealing sleeve (43), and rubber ring seals are arranged on the outer sides of the two sides of the box body connecting sealing sleeve (43). The main shaft (44) and the first bevel gear (45), the transmission shaft (46) and the first extension rod (410) are connected by keys, the transmission shaft (46) and the transmission shaft seat (48) are meshed, the two ends of the transmission shaft (46) are fixed by means of retaining springs, the shaft fixing ring (49) and the transmission shaft (46) are fixed to the two sides of the transmission shaft (46) by means of top screws, and the transmission shaft seat (48) is connected to the inner wall of the oven box body (1) by means of screws.

2. A cylindrical battery core baking temperature measurement structure according to claim 1, characterized in that: The outer telescopic rod pushing mechanism (5) comprises an adjustable cylinder push-pull rod (51), an electromagnet (52), a connecting block (53), a through-hole sealing plate (54), a movable slider (55), an outer telescopic rod pushing mechanism assembly plate (56), a linear guide rail (57) and a sealing plate transplanting cylinder (58); The adjustable cylinder push-pull rod (51) is connected to the extension rod push rod (412), the electromagnet (52) is located at one end of the adjustable cylinder push-pull rod (51), the connecting block (53) is connected to the through-hole sealing plate (54), the movable slider (55) is located on one side of the through-hole sealing plate (54), and the movable slider (55) is also respectively connected to the linear guide rail (57) and the outer telescopic rod pushing mechanism assembly plate (56), and the outer telescopic rod pushing mechanism assembly plate (56) is connected to the sealing plate transplanting cylinder (58).

3. A cylindrical battery core baking temperature measurement structure according to claim 1, characterized in that: One end of the third extension rod (414) is connected to a temperature measurement connection line (61), and one end of the temperature measurement connection line (61) is connected to a temperature measurement probe (62), and the temperature measurement probe (62) is used to measure the temperature of the battery cell (3).

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