End socket structure for packaging lithium battery

Abstract

The utility model discloses a lithium battery packaging end socket structure which comprises a supporting frame, the supporting frame is installed on external equipment, an adjusting mechanism is arranged on the supporting frame, and the adjusting mechanism comprises a moving mechanism, a hydraulic cylinder, a transmission rod, a pressing sleeve, an external sleeve, a follow-up sleeve, a synchronous ring, a bearing sleeve, a spring, a middle plate and a connecting mechanism. The moving mechanism is installed on the supporting frame, the hydraulic cylinder is installed on the upper end face of the supporting frame, the extending end of the hydraulic cylinder is connected to the transmission rod, the pressing sleeve is slidably connected to the transmission rod, the outer sleeve is in threaded connection to the side wall of the pressing sleeve, and the adjusting mechanism can accurately control the pressing degree of the follow-up sleeve to the synchronous ring by rotating the outer sleeve. And the compression amount of the spring is further adjusted, so that the pressure of the sealing head is finely adjusted, the stability and the safety in the lithium battery packaging process are ensured, and the battery is prevented from being damaged due to overlarge pressure.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery head sealing, and more particularly to a lithium battery packaging head sealing structure. Background Art

[0002] The existing lithium battery packaging head structure has some potential safety hazards in practical applications. The main problem of this structure is that a fixed connection is used between the pressing sleeve and the hydraulic cylinder. Although this design can provide stable pressure in some cases, it ignores the differences in pressure resistance of lithium batteries of different models and specifications. There are many types of lithium batteries, from batteries used in small consumer electronic products to battery packs used in large electric vehicles. Their structures, materials and performance vary. Therefore, the maximum pressure that each battery can withstand also varies significantly. This fixed connection design cannot flexibly adapt to these differences, which may result in excessive or insufficient pressure on certain batteries during the packaging process.

[0003] When the hydraulic cylinder generates a large pressure, the potential risks of this design will become prominent. Since the compression sleeve and the hydraulic cylinder are fixedly connected, excessive pressure will be directly transmitted to the battery without any buffering or adjustment mechanism, which may lead to a variety of safety issues: First, excessive pressure may damage the internal structure of the battery, causing a short circuit or other failures; second, excessive pressure may cause the battery to deform, affecting its performance and life; third, in extreme cases, excessive pressure may even cause the battery to rupture or explode, resulting in serious safety accidents. Therefore, this fixed connection design not only affects the precise control of the packaging process, but more importantly, it significantly increases the safety risks during use, which may cause potential harm to operators and equipment. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the problems existing in the prior art, the present invention provides a lithium battery packaging head structure to solve the technical problems mentioned in the background technology.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery packaging head structure, comprising a support frame, which is installed on an external device, and an adjusting mechanism is provided on the support frame, and the adjusting mechanism includes a moving mechanism, a hydraulic cylinder, a transmission rod, a pressing sleeve, an external sleeve, a follower sleeve, a synchronous ring, a receiving sleeve, a spring, an intermediate plate and a connecting mechanism, wherein the moving mechanism is installed on the support frame, the hydraulic cylinder is installed on the upper end surface of the support frame, the protruding end of the hydraulic cylinder is connected to the transmission rod, the pressing sleeve is slidably connected to the transmission rod, the external sleeve is threadedly connected to the side wall of the pressing sleeve, the follower sleeve is cooperatively connected to the external sleeve, and is annually pressed on the synchronous ring, a plurality of receiving sleeves are provided, and a plurality of receiving sleeves are respectively installed on the lower end surface of the synchronous ring, a plurality of synchronous rings are slidably connected to the spring, an intermediate plate is installed in the spring, the receiving sleeve is pressed on the intermediate plate, and the connecting mechanism is installed on the pressing sleeve.

[0008] The utility model is further configured such that a plurality of transverse holes are equidistantly provided on the side wall of the pressing sleeve, a telescopic rod is slidably connected in each of the transverse holes, a plurality of annular grooves are equidistantly provided on the side wall of the transmission rod, the telescopic rod abuts in the annular grooves, and the design of the transverse holes ensures the convenient sliding of the telescopic rod.

[0009] The utility model is further configured such that the connecting mechanism includes a semicircular head and a fixing sleeve, the semicircular head is installed at one end of the spring, the fixing sleeve is installed on the other end of the spring, the fixing sleeve is threadedly connected to the pressing sleeve, and the semicircular head abuts against the telescopic rod. The design of the connecting mechanism ensures the continuity of the connection.

[0010] The utility model is further configured such that a fixing bolt is threadedly provided in each receiving sleeve, and the fixing bolt abuts against the semicircular head. The design of the fixing bolt ensures the fixation of the telescopic rod.

[0011] The utility model is further configured such that the moving mechanism includes a slide rail, a slider and a support plate, the slide rail is mounted on the support frame, the slider is slidably connected to the slide rail, and the support plate is mounted on the slider. The design of the moving mechanism ensures the convenience of moving the battery body.

[0012] The utility model is further configured such that a battery body is clamped on the support plate, and the pressing sleeve is pressed on the battery body.

[0013] The utility model is further configured such that a cylinder is provided on the support frame, and a protruding end of the cylinder is connected to the supporting plate.

[0014] The present invention is further configured such that a rounded corner is provided on the lower end surface of the transmission rod.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a lithium battery packaging head structure with the following beneficial effects:

[0017] 1. The adjustment mechanism can accurately control the degree of compression of the follower sleeve on the synchronous ring by rotating the outer sleeve, and then adjust the compression of the spring, so as to achieve fine adjustment of the head pressure, ensure the stability and safety of the lithium battery packaging process, and avoid damage to the battery due to excessive pressure.

[0018] 2. The design of the connection mechanism enables the fixing bolt to firmly contact the semicircular head, ensuring the fixed connection between the transmission rod and the pressing sleeve. It can be quickly released when necessary, which is convenient for maintenance and replacement of parts, while ensuring the reliability of the connection under normal working conditions.

[0019] 3. The moving mechanism realizes the precise movement of the pallet through the cooperation of the slide rail and the slider, so that the battery body can be accurately placed under the pressing sleeve, which improves the packaging efficiency, reduces the error during the operation and ensures the packaging quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a lithium battery packaging head structure in the present utility model;

[0021] Figure 2 This is a schematic structural diagram of the medium-pressure sleeve of the utility model;

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure;

[0023] Figure 4 This is an exploded cross-sectional structural diagram of the receiving sleeve and the fixing bolt in the present invention;

[0024] Figure 5 It is a structural diagram of the receiving sleeve in the utility model.

[0025] In the figure: 1. Support frame; 2. Hydraulic cylinder; 3. Transmission rod; 4. Press sleeve; 5. External sleeve; 6. Follower sleeve; 7. Synchronizing ring; 8. Socket sleeve; 9. Spring; 10. Intermediate plate; 11. Horizontal hole; 12. Annular groove; 13. Semicircular head; 14. Fixed sleeve; 15. Fixed bolt; 16. Slide rail; 17. Slider; 18. Support plate; 19. Battery body; 20. Cylinder; 21. Fillet; 101. Telescopic rod. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0029] See also Figure 1-5 , a lithium battery packaging head structure, including a support frame 1, the support frame 1 is installed on external equipment, the support frame 1 is provided with an adjustment mechanism, the adjustment mechanism includes a moving mechanism, a hydraulic cylinder 2, a transmission rod 3, a pressing sleeve 4, an external sleeve 5, a follower sleeve 6, a synchronous ring 7, a receiving sleeve 8, a spring 9, an intermediate plate 10 and a connecting mechanism, the moving mechanism is installed on the support frame 1, the hydraulic cylinder 2 is installed on the upper end surface of the support frame 1, the protruding end of the hydraulic cylinder 2 is connected to the transmission rod 3, the pressing sleeve 4 is slidably connected to the transmission rod 3, the external sleeve 5 is threadedly connected to the side wall of the pressing sleeve 4, the follower sleeve 6 is cooperatively connected to the external sleeve 5, and is annually shaken and pressed on the synchronous ring 7, a plurality of receiving sleeves 8 are provided, and the plurality of receiving sleeves 8 are respectively installed on the lower end surface of the synchronous ring 7, and the plurality of synchronous rings 7 are slidably connected to On the spring 9, an intermediate plate 10 is installed in the spring 9, the receiving sleeve 8 is pressed on the intermediate plate 10, the connecting mechanism is installed on the pressing sleeve 4, and a plurality of transverse holes 11 are equidistantly provided on the side wall of the pressing sleeve 4, and a telescopic rod 101 is slidably connected in each transverse hole 11. A plurality of annular grooves 12 are equidistantly provided on the side wall of the transmission rod 3, and the telescopic rod 101 is in contact with the annular groove 12. The connecting mechanism includes a semicircular head 13 and a fixing sleeve 14. The semicircular head 13 is installed at one end of the spring 9, and the fixing sleeve 14 is installed on the other end of the spring 9. The fixing sleeve 14 is threadedly connected to the pressing sleeve 4, and the semicircular head 13 is in contact with the telescopic rod 101. A fixing bolt 15 is threaded in each receiving sleeve 8, and the fixing bolt 15 is in contact with the semicircular head 13. A fillet 21 is provided on the lower end surface of the transmission rod 3.

[0030] In this embodiment, when it is necessary to press the head of the battery body 19, the battery body 19 is first installed on the support plate 18, and then the support plate 18 is driven by the cylinder 20 to move to the lower end of the pressing sleeve 4. At this time, the hydraulic cylinder 2 is started, and then the hydraulic cylinder 2 drives the pressing sleeve 4 to press on the battery body 19, and then the head of the battery body 19 is sealed, and then the packaging stability of the lithium battery is completed. When the force of the hydraulic cylinder 2 exceeds the elastic force of multiple springs 9, the telescopic rod 101 will first expand outward along the transverse hole 11, and then the telescopic rod 101 will contact the semicircular head 13. At this time, the spring 9 is compressed, thereby releasing the connection between the transmission rod 3 and the pressing sleeve 4, avoiding damage to the lithium battery due to excessive pressure.

[0031] See also Figure 1 As an implementation method of the moving mechanism: the moving mechanism includes a slide rail 16, a slider 17 and a support plate 18, the slide rail 16 is installed on the support frame 1, the slider 17 is slidably connected to the slide rail 16, the support plate 18 is installed on the slider 17, the battery body 19 is clamped on the support plate 18, the pressing sleeve 4 is pressed on the battery body 19, the support frame 1 is provided with a cylinder 20, and the protruding end of the cylinder 20 is connected to the support plate 18.

[0032] More specifically, when it is necessary to adjust the elastic force of the spring 9, since the outer sleeve 5 is threadedly connected to the side wall of the pressing sleeve 4, the outer sleeve 5 can be rotated to press the follower sleeve 6 onto the synchronous ring 7, and then the receiving sleeve 8 is pressed downward, and then the receiving sleeve 8 is pressed onto the intermediate plate 10, so that the spring 9 at the lower end is compressed, thereby increasing the force for unfastening the transmission rod 3 and the pressing sleeve 4, thereby completing the adjustment process. When the transmission rod 3 and the pressing sleeve 4 need to be fixedly connected, it is only necessary to continuously rotate the fixing bolt 15 so that the fixing bolt 15 contacts the semicircular head 13. At this time, the telescopic rod 101 is fixedly connected to the annular groove 12, thereby ensuring the fixed connection process.

[0033] In summary, when the overall equipment is in use or running: when it is necessary to press the head of the battery body 19, the battery body 19 is first installed on the support plate 18, and then the support plate 18 is driven by the cylinder 20 to move to the lower end of the pressing sleeve 4, and then the hydraulic cylinder 2 is started, and then the hydraulic cylinder 2 drives the pressing sleeve 4 to press on the battery body 19, and then the head of the battery body 19 will be sealed, and then the packaging stability of the lithium battery will be completed. When the force of the hydraulic cylinder 2 exceeds the elastic force of the multiple springs 9, the telescopic rod 101 will first expand outward along the transverse hole 11, and then the telescopic rod 101 will contact the semicircular head 13. At this time, the spring 9 is compressed, thereby releasing the connection between the transmission rod 3 and the pressing sleeve 4. This avoids damage to the lithium battery caused by excessive pressure. When the elastic force of the spring 9 needs to be adjusted, since the outer sleeve 5 is threadedly connected to the side wall of the pressing sleeve 4, the follower sleeve 6 can be pressed on the synchronous ring 7 by rotating the outer sleeve 5, and then the receiving sleeve 8 is pressed downward, and then the receiving sleeve 8 is pressed on the middle plate 10, so that the spring 9 at the lower end is compressed, thereby increasing the force of unfastening the transmission rod 3 and the pressing sleeve 4, thereby completing the adjustment process. When the transmission rod 3 and the pressing sleeve 4 need to be fixedly connected, it is only necessary to continuously rotate the fixing bolt 15 so that the fixing bolt 15 contacts the semicircular head 13. At this time, the telescopic rod 101 is fixedly connected to the annular groove 12, thereby ensuring the fixed connection process.

[0034] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A lithium battery packaging head structure, comprising a support frame (1), characterized in that: The support frame (1) is installed on an external device. The support frame (1) is provided with an adjustment mechanism. The adjustment mechanism includes a moving mechanism, a hydraulic cylinder (2), a transmission rod (3), a pressing sleeve (4), an external sleeve (5), a follower sleeve (6), a synchronous ring (7), a receiving sleeve (8), a spring (9), an intermediate plate (10) and a connecting mechanism. The moving mechanism is installed on the support frame (1). The hydraulic cylinder (2) is installed on the upper end surface of the support frame (1). The protruding end of the hydraulic cylinder (2) is connected to the transmission rod (3). The pressing sleeve (4) slides The outer sleeve (5) is connected to the transmission rod (3), and the outer sleeve (5) is threadedly connected to the side wall of the pressing sleeve (4). The follower sleeve (6) is matched and connected to the outer sleeve (5), and is annually pressed on the synchronous ring (7). There are multiple receiving sleeves (8), and the multiple receiving sleeves (8) are respectively installed on the lower end surface of the synchronous ring (7). The multiple synchronous rings (7) are slidably connected to the spring (9). An intermediate plate (10) is installed in the spring (9). The receiving sleeve (8) is pressed on the intermediate plate (10). The connecting mechanism is installed on the pressing sleeve (4).

2. The lithium battery packaging head structure according to claim 1, characterized in that: A plurality of transverse holes (11) are equidistantly provided on the side wall of the pressing sleeve (4), and a telescopic rod (101) is slidably connected in each of the transverse holes (11). A plurality of annular grooves (12) are equidistantly provided on the side wall of the transmission rod (3), and the telescopic rod (101) is abutted in the annular grooves (12).

3. The lithium battery packaging head structure according to claim 2, characterized in that: The connecting mechanism comprises a semicircular head (13) and a fixing sleeve (14), wherein the semicircular head (13) is mounted on one end of the spring (9), and the fixing sleeve (14) is mounted on the other end of the spring (9), the fixing sleeve (14) is threadedly connected to the pressing sleeve (4), and the semicircular head (13) abuts against the telescopic rod (101).

4. The lithium battery packaging head structure according to claim 3, characterized in that: A fixing bolt (15) is threadedly provided in each receiving sleeve (8), and the fixing bolt (15) abuts against the semicircular head (13).

5. The lithium battery packaging head structure according to claim 1, characterized in that: The moving mechanism comprises a slide rail (16), a slider (17) and a support plate (18); the slide rail (16) is mounted on the support frame (1); the slider (17) is slidably connected to the slide rail (16); and the support plate (18) is mounted on the slider (17).

6. The lithium battery packaging head structure according to claim 5, characterized in that: A battery body (19) is clamped on the support plate (18), and the pressing sleeve (4) is pressed on the battery body (19).

7. The lithium battery packaging head structure according to claim 6, characterized in that: The support frame (1) is provided with a cylinder (20), and the extended end of the cylinder (20) is connected to the supporting plate (18).

8. The lithium battery packaging head structure according to claim 1, characterized in that: A rounded corner (21) is provided on the lower end surface of the transmission rod (3).

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