Ultrasonic welding machine for battery case

Abstract

The utility model discloses an ultrasonic welding machine which comprises a machine frame provided with a working area and a feeding area, an ultrasonic welding assembly installed in the working area of the machine frame, a conveying assembly installed on the machine frame, a clamping mechanism installed on the machine frame and a pushing and positioning mechanism installed in the working area of the machine frame. The ultrasonic welding assembly comprises a lifting welding head capable of conducting ultrasonic welding on a cover plate of the storage battery located in the working area, the clamping mechanism comprises a clamping hand, a longitudinal translation mechanism and a transverse translation mechanism, the clamping hand can clamp the storage battery, the longitudinal translation mechanism can drive the clamping hand to move from the feeding area to the working area, and the transverse translation mechanism can drive the clamping hand to move from the feeding area to the working area. The transverse translation mechanism can drive the clamping hand to be close to or away from the storage battery, and the pushing and positioning mechanism can fix the storage battery located in the working area. The ultrasonic welding machine for the battery case has the advantages of high efficiency and low error.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery manufacturing, especially relates to a battery shell ultrasonic welding machine. BACKGROUND

[0002] The battery shell upper cover needs to be ultrasonically welded in the production process of the battery, in the automatic manufacturing process, the battery is conveyed and positioned by adopting the mode of the conveying belt cooperating with the limiting block, and after being positioned in place, ultrasonic welding is started, but along with the operation of the machine, due to the existence of foreign matters or the influence of machine vibration, the limiting block will have errors, and the errors will gradually accumulate, when the errors are too large, the limiting block needs to be adjusted, time is wasted and efficiency is reduced. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the prior art is solved, for this purpose, the utility model provides a battery shell ultrasonic welding machine, has efficient, low error's advantage.

[0004] The battery shell ultrasonic welding machine according to the utility model embodiment comprises:

[0005] The rack is provided with a working area and a feeding area, the ultrasonic welding assembly is installed in the working area of the rack, the ultrasonic welding assembly comprises a welding head capable of lifting, the welding head can perform ultrasonic welding on the cover plate of the battery located in the working area, the conveying assembly is installed in the rack and can convey the battery to the feeding area, the clamping mechanism is installed in the rack, the clamping mechanism comprises a clamping hand, a longitudinal translation mechanism and a transverse translation mechanism, the clamping hand can clamp the battery, the longitudinal translation mechanism can drive the clamping hand to move from the feeding area to the working area, and the transverse translation mechanism can drive the clamping hand to approach or move away from the battery, and the push-tightening positioning mechanism is installed in the working area of the rack, and the push-tightening positioning mechanism can fix the battery located in the working area.

[0006] The battery shell ultrasonic welding machine according to the utility model embodiment has at least the following beneficial effects: the clamping mechanism can accurately clamp the battery in the feeding area to the working area, the push-tightening positioning mechanism can tightly fix the battery located in the working area, while the ultrasonic welding assembly is welding, the clamping mechanism can loosen the clamped battery and quickly move to the feeding area to clamp the next battery, ensuring the continuity of welding to improve the efficiency.

[0007] According to some embodiments of the present application, the longitudinal translation mechanism comprises a support plate and a first driving unit arranged on the rack and capable of driving the support plate to move, and the lateral translation mechanism is arranged on the support plate and connected with the clamping hand.

[0008] According to some embodiments of the present application, the lateral translation mechanism comprises a clamping part sliding plate slidably arranged on the support plate and a second driving unit arranged on the support plate and capable of driving the clamping part sliding plate to move, and the clamping hand is arranged on the clamping part sliding plate.

[0009] According to some embodiments of the present application, the clamping hand comprises a first clamping part, a second clamping part and a third driving unit, the first clamping part is arranged on the clamping part sliding plate, and the third driving unit is arranged on the clamping part sliding plate and capable of driving the second clamping part to move close to or away from the first clamping part.

[0010] According to some embodiments of the present application, the pushing and positioning mechanism comprises a pushing unit and an abutting part, the pushing unit and the abutting part are arranged oppositely, and the pushing unit can push the battery in the working area to abut against the abutting part.

[0011] According to some embodiments of the present application, the transportation assembly comprises a conveying belt for conveying the battery and a conveying belt frame.

[0012] According to some embodiments of the present application, the transportation assembly further comprises a guiding assembly, the guiding assembly can guide the battery to move to the feeding area under the driving of the conveying belt, the guiding assembly comprises a fixed guiding part and a guiding wheel set, the fixed guiding part and the guiding wheel set are arranged on both sides of the conveying belt frame respectively, a conveying channel is formed between the fixed guiding part and the guiding wheel set, and the conveying channel gradually shrinks along the running direction of the conveying belt.

[0013] According to some embodiments of the present application, the guiding assembly further comprises a guiding plate, an adjusting rod and a locking block, the guiding wheel set is arranged on the edge of one side of the guiding plate, the guiding plate is connected with one end of the adjusting rod, the other end of the adjusting rod is movably arranged on the locking block, the locking block can lock or release the adjusting rod, and the locking block is arranged on the conveying belt frame.

[0014] According to some embodiments of the present application, the transportation assembly further comprises a pressing assembly, the pressing assembly can fix the battery in conveying and prevent the battery from moving with the conveying belt.

[0015] According to some embodiments of the present application, the pressing assembly comprises a pressing unit, the pressing unit is arranged on the guide plate, and the pressing unit can press the storage battery against the fixed guide part.

[0016] Additional aspects and advantages of the present application will be described in part in the description that follows, and in part will become apparent to those skilled in the art upon examination of the following description or can be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, taken in conjunction with the following drawings in which:

[0018] Figure 1 FIG. 1 is a schematic view of a battery shell ultrasonic welding machine according to an embodiment of the present application;

[0019] Figure 2 FIG. 2 is a schematic view of the battery shell ultrasonic welding machine according to an embodiment of the present application, showing a hidden frame behind the machine; Figure 1 FIG. 3 is a schematic view of the battery shell ultrasonic welding machine according to an embodiment of the present application, showing a hidden frame behind the machine;

[0020] Figure 3 FIG. 4 is a schematic view of the battery shell ultrasonic welding machine according to an embodiment of the present application, showing a hidden frame behind the machine; Figure 1 FIG. 5 is a schematic view of a clamping mechanism and a pushing and positioning mechanism of the battery shell ultrasonic welding machine according to an embodiment of the present application;

[0021] Figure 4 FIG. 6 is a schematic view of a conveying assembly of the battery shell ultrasonic welding machine according to an embodiment of the present application. Figure 1 FIG. 1 is a schematic view of a battery shell ultrasonic welding machine according to an embodiment of the present application;

[0022] BRIEF DESCRIPTION OF DRAWINGS DETAILED DESCRIPTION

[0023] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0024] In the description of the utility model, it needs to understand that, if the direction description, such as left, right and other indications of orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, it is only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it can not be understood as the limitation of the utility model.

[0025] In the description of the utility model, if there is a description to first, second is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0027] Reference Figures 1 to 3 The utility model discloses a battery shell ultrasonic welding machine, it includes: frame 100 is provided with work area 101 and feeding area 102, ultrasonic welding assembly 200 installs in the work area 101 of frame 100, and ultrasonic welding assembly 200 includes the welding head 210 of being able to lift, and the welding head 210 can carry out ultrasonic welding to the cover plate of the storage battery 600 located in the work area 101, transport assembly 300 installs in frame 100, can send the storage battery 600 to feeding area 102, clamping mechanism 400 installs in frame 100, and clamping mechanism 400 includes clamping hand 410, longitudinal translation mechanism 420 and transverse translation mechanism 430, and clamping hand 410 can clamp the storage battery 600, and longitudinal translation mechanism 420 can drive clamping hand 410 from feeding area 102 to work area 101, and transverse translation mechanism 430 can drive clamping hand 410 to be close to or away from the storage battery 600, push tight positioning mechanism 500 installs in the work area 101 of frame 100, and push tight positioning mechanism 500 can fix the storage battery 600 located in the work area 101.

[0028] The transport assembly 300 first transports the battery 600 of the previous process to the feeding area 102 of the rack 100, the clamping hand 410 moves to the feeding area 102 under the drive of the longitudinal translation mechanism 420, then the transverse translation mechanism 430 drives the clamping hand 410 to be close to the battery 600, the clamping hand 410 clamps the battery 600, then the clamping hand 410 moves to the working area 101 under the drive of the longitudinal translation mechanism 420, the clamping hand 410 releases the battery 600, then the transverse translation mechanism 430 drives the clamping hand 410 to be away from the battery 600, at the same time, the push-tight positioning mechanism 500 fixes the battery in the working area 101, then the welding head 210 of the ultrasonic welding assembly 200 starts to weld the cover plate of the battery 600 after descending, at the same time, the clamping hand 410 moves to the feeding area 102 under the drive of the longitudinal translation mechanism 420, then the transverse translation mechanism 430 drives the clamping hand 410 to be close to the battery 600, the clamping hand 410 clamps the battery 600, then the clamping hand 410 moves to the working area 101 under the drive of the longitudinal translation mechanism 420, at the same time, the welding head 210 of the ultrasonic welding assembly 200 rises to complete the welding of the previous battery 600, in the process of moving to the working area 101, the clamping hand 410 pushes away the battery 600 in the working area 101 which has been welded, thus completing a process cycle, greatly improving the welding efficiency of the battery 600 and ensuring the continuity of the welding.

[0029] It is conceivable that, in some embodiments of the present application, the ultrasonic welding assembly 200 is installed on the rack 100 through an adjusting mechanism, and the adjusting mechanism can change the position of the ultrasonic welding assembly 200 to adapt to the position of the corresponding welding area of the battery 600 of different sizes.

[0030] In some embodiments, referring to Figure 3 , the longitudinal translation mechanism 420 includes a support plate 421 and a first driving unit 422 arranged on the rack 100 and capable of driving the support plate 421 to move, and the transverse translation mechanism 430 is arranged on the support plate 421 and connected with the clamping hand 410. The first driving unit 422 can drive the support plate 421 to move between the feeding area 102 and the working area 101, the support plate 421 drives the transverse translation mechanism 430 on it to move, and the transverse translation mechanism 430 drives the clamping hand 410 connected thereto to move.

[0031] Specifically, in some embodiments of the present application, the first driving unit 422 is a screw transmission mechanism, which includes a screw rod and a sliding block, the sliding block is sleeved on the screw rod, and when the screw rod rotates, it can drive the sliding block to move along the screw rod. The sliding block is connected with the support plate 421, thereby achieving the purpose of driving the support plate 421 to move.

[0032] It is conceivable that, in some embodiments of the utility model, first drive unit 422 is for the conveyor belt mechanism, first drive unit 422 includes driving wheel, driven wheel and the conveyor belt between, the rotation of driving wheel can drive the movement of conveyor belt, one end of conveyor belt is connected with support plate 421, same can realize the purpose of driving support plate 421 moves.

[0033] It can be understood that, in some embodiments of the utility model, first drive unit 422 can also be other forms of mechanism, as long as it can drive support plate 421 linear motion.

[0034] In some embodiments, referring to Figure 3 , the transverse translation mechanism 430 includes a clamping part sliding plate 432 slidably disposed on the support plate 421 and a second drive unit 433 disposed on the support plate 421 and capable of driving the clamping part sliding plate 432 to move, and the clamping hand 410 is disposed on the clamping part sliding plate 432. The second drive unit 433 can drive the clamping part sliding plate 432 to move, and the clamping part sliding plate 432 drives the clamping hand 410 connected thereto to move.

[0035] Specifically, in some embodiments of the utility model, the second drive unit 433 is a pneumatic cylinder, the housing of the pneumatic cylinder is fixed on the support plate 421, the end of the telescopic rod of the pneumatic cylinder is connected with the clamping part sliding plate 432, the support plate 421 is provided with a clamping part sliding rail 431, the bottom structure of the clamping part sliding plate 432 is matched with the clamping part sliding rail 431, under the driving of the pneumatic cylinder, the clamping part sliding plate 432 can move along the clamping part sliding rail 431, and in turn drive the clamping hand 410 connected with the clamping part sliding plate 432 to move.

[0036] It is conceivable that, in some embodiments of the utility model, the second drive unit 433 can also be an oil cylinder, an electric cylinder or a screw rod transmission mechanism, as long as it can drive the clamping part sliding plate 432 to move.

[0037] In some embodiments, referring to Figure 3 , the clamping hand 410 includes a first clamping part 411, a second clamping part 412 and a third drive unit 413, the first clamping part 411 is arranged on the clamping part sliding plate 432, and the third drive unit 413 is arranged on the clamping part sliding plate 432 and can drive the second clamping part 412 to approach or move away from the first clamping part 411 to realize clamping and loosening of the storage battery 600.

[0038] Specifically, in some embodiments of the utility model, the third drive unit 413 is a double-rod pneumatic cylinder, the housing of the double-rod pneumatic cylinder and the first clamping part 411 are both fixed on the clamping part sliding plate 432, and the end of the telescopic rod of the double-rod pneumatic cylinder is connected with the second clamping part 412. Under the driving of the double-rod pneumatic cylinder, the second clamping part 412 can approach or move away from the first clamping part 411.

[0039] It is conceivable that, in some embodiments of the utility model, third drive unit 413 can also be oil cylinder, electric cylinder, etc., as long as it can meet the drive second clamping part 412 moves.

[0040] In some embodiments, referring to Figure 3 , the pushing and positioning mechanism 500 comprises a pushing unit 510 and an abutting portion 520, the pushing unit 510 and the abutting portion 520 are oppositely arranged, and the pushing unit 510 can push the battery 600 in the working area 101 to abut against the abutting portion 520. To realize the positioning and fixing of the battery 600, so that the cover plate to be welded of the battery 600 is aligned with the welding head 210.

[0041] Specifically, in some embodiments of the utility model, the pushing unit 510 is a double-rod cylinder, the shell of the double-rod cylinder is fixedly arranged on the rack 100, the telescopic rod end of the double-rod cylinder abuts against the battery 600, under the drive of the double-rod cylinder, the battery 600 abuts against the abutting portion 520, the battery 600 is clamped and moved from the feeding area 102 to the working area 101 by the clamping mechanism 400, this process realizes the longitudinal positioning of the battery 600, the abutting portion 520 is the horizontal positioning reference, and the recommended positioning mechanism 500 realizes the horizontal positioning of the battery 600, at this time, the welding area of the battery 600 is aligned with the welding head 210 of the ultrasonic welding assembly 200, and the welding can be started.

[0042] It is conceivable that, in some embodiments of the utility model, the pushing unit 510 can also be an oil cylinder, an electric cylinder, etc., as long as it can meet the battery 600 is pushed to abut against the abutting portion 520.

[0043] In some embodiments, referring to Figure 4 , the conveying assembly 300 comprises a conveying belt 310 conveying the battery 600 and a conveying belt frame 320, and the conveying belt 310 can drive the battery 600 thereon to move to the feeding area 102.

[0044] Specifically, in some embodiments of the utility model, the feeding area 102 is located at the end of the conveying direction of the conveying belt 310.

[0045] In some embodiments, referring to Figure 4, the transportation component 300 further includes a guiding component 330, which can guide the battery 600 to move to the loading area 102 under the drive of the conveyor belt 310; the guiding component 330 includes a fixed guiding part 331 and a guiding wheel group 332. The fixed guiding part 331 and the guiding wheel group 332 are respectively arranged on both sides of the conveyor belt frame 320, and a conveying channel is formed between the fixed guiding part 331 and the guiding wheel group 332. The conveying channel gradually contracts along the running direction of the conveyor belt 310. The battery 600 moves along the conveying channel under the drive of the conveyor belt 310, and the guiding component 330 continuously guides the moving position of the battery 600 so that the battery 600 accurately enters the loading area 102.

[0046] Specifically, in some embodiments of the present invention, the fixed guiding part 331 is linearly arranged on one side of the conveyor belt frame 330 along the conveying direction of the conveyor belt 310, and the guiding wheel group 332 is arranged on the opposite side of the fixed guiding part 331 in a "丿" shape.

[0047] It can be imagined that, in some embodiments of the present invention, the fixed guiding part 331 can also be set as the guiding wheel group 332, that is, the guiding component 330 includes two guiding wheel groups 332. The two guiding wheel groups 332 are oppositely arranged on both sides of the conveyor belt frame 330, and a conveying channel is formed between the two guiding wheel groups 332. The conveying channel gradually contracts along the running direction of the conveyor belt.

[0048] In some embodiments, refer to Figure 4 , the guiding component 330 further includes a guiding plate 333, an adjusting rod 334 and a locking block 335. The guiding wheel group 332 is arranged at the edge of one side of the guiding plate 333. The guiding plate 333 is connected to one end of the adjusting rod 334, and the other end of the adjusting rod 334 is movably arranged in the locking block 335 and the locking block 335 can lock or loosen the adjusting rod 334. The locking block 335 is arranged on the conveyor belt frame 320. After the locking block 335 loosens the adjusting rod 334, by adjusting the adjusting rod 334, the position of the guiding plate 333 can be changed, and then the distance between the guiding wheel group 332 and the fixed guiding part 331 can be adjusted, so as to adapt to batteries 600 of different sizes.

[0049] Specifically, in some embodiments of the present invention, the middle part of the locking block 335 is provided with an adjusting hole through which the adjusting rod 334 can pass. An adjusting slit is opened in the upper part of the locking block 335. The adjusting slit communicates with the inside of the adjusting hole and the outside of the locking block 335. The adjusting rod 334 passes through the adjusting hole of the locking block 335. By changing the width of the adjusting slit with a fastener, the locking block 335 can lock or loosen the adjusting rod 334.

[0050] It is conceived that, in some embodiments of the utility model, the locking block 335 is two pieces of semicircular tile structure, the conveying belt frame body 320 is provided with an adjusting groove, the locking block 335 is arranged in the adjusting groove and can slide along the adjusting groove, and then the two pieces of semicircular tile structure of the locking block 335 can be clamped or loosened by changing the distance between the two pieces of semicircular tile structure, so that the adjusting rod 334 can be clamped or loosened.

[0051] In some embodiments, referring to Figure 2 With Figure 4 The conveying assembly 300 further comprises a pressing assembly 340, which can fix the battery 600 in conveying and prevent it from moving with the conveying belt 310. It is ensured that the next battery 600 will not be in the feeding area 102 at the same time as the previous battery 600, which will affect the clamping of the clamping mechanism 400.

[0052] Specifically, in some embodiments of the utility model, the conveying belt 310 of the conveying assembly 300 continuously conveys the battery 600 to the feeding area 102. When the battery 600 in the feeding area 102 is not clamped by the clamping hand 410, the next battery 600 will abut against the previous battery 600, which will affect the clamping of the clamping hand 410. Therefore, the conveying assembly 300 further comprises a pressing assembly 340. When the previous battery 600 is not clamped by the clamping hand 410, the pressing assembly 340 fixes the next battery 600 so that it does not move with the conveying belt 310 to the feeding area 102. When the battery 600 in the feeding area 102 is clamped by the clamping hand 410 and leaves the feeding area 102, the pressing assembly 340 releases the next battery 600 so that it moves with the conveying belt 310 to the feeding area 102, ensuring that the clamping mechanism 400 works continuously and normally.

[0053] In some embodiments, referring to Figure 4 The pressing assembly 340 comprises a pressing unit 341, which is arranged on the guide plate 333 and can press the battery 600 against the fixed guide part 331. The purpose of fixing the battery 600 so that it does not move with the conveying belt 310 is achieved.

[0054] Specifically, in some embodiments of the utility model, the pressing unit 341 is a double-rod cylinder, the housing of the double-rod cylinder is fixedly arranged on the guide plate 333, and the end of the telescopic rod of the double-rod cylinder abuts against the battery 600. Under the drive of the double-rod cylinder, the battery 600 abuts against the fixed guide part 331, achieving the purpose of fixing the battery 600 so that it does not move with the conveying belt 310.

[0055] It is conceived that, in some embodiments of the utility model, the pressing unit 341 can also be an oil cylinder or an electric cylinder, as long as it can push the battery 600 against the fixed guide part 331.

[0056] (understandable, in some embodiments of the utility model, fixed guide portion 331 is transverse positioning reference, when compacting unit 341 is compacted to fixed guide portion 331 with battery 600 to fix battery 600, the lateral positioning of battery 600 is realized simultaneously, thereby guaranteeing the accurate clamping of clamping hand 410.

[0057] The technical features of the above embodiments can be combined arbitrarily, and to make the description concise, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0058] Of course, the utility model is not limited to the above-mentioned implementation, and the skilled person in the art can also make equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. An ultrasonic welding machine for battery casings, characterized in that, include: The frame (100) is provided with a working area (101) and a loading area (102); An ultrasonic welding assembly (200) is installed in the working area (101) of the frame (100). The ultrasonic welding assembly (200) includes a lifting welding head (210) capable of ultrasonic welding the cover plate of a battery (600) located in the working area (101). A transport assembly (300), mounted on the frame (100), is capable of transporting the battery (600) to the loading area (102); A clamping mechanism (400) is mounted on the frame (100). The clamping mechanism (400) includes a clamping hand (410), a longitudinal translation mechanism (420), and a lateral translation mechanism (430). The clamping hand (410) is capable of clamping the battery (600). The longitudinal translation mechanism (420) is capable of driving the clamping hand (410) from the loading area (102) to the working area (101). The lateral translation mechanism (430) is capable of driving the clamping hand (410) to move closer to or away from the battery (600). A push-positioning mechanism (500) is installed in the working area (101) of the frame (100), and the push-positioning mechanism (500) can fix the battery (600) located in the working area (101).

2. The ultrasonic welding machine for battery casings according to claim 1, characterized in that, The longitudinal translation mechanism (420) includes a support plate (421) and a first drive unit (422) disposed on the frame (100) and capable of driving the support plate (421) to move. The lateral translation mechanism (430) is disposed on the support plate (421) and connected to the gripper (410).

3. The ultrasonic welding machine for battery casings according to claim 2, characterized in that, The lateral translation mechanism (430) includes a clamping slide plate (432) slidably disposed on the support plate (421) and a second drive unit (433) disposed on the support plate (421) and capable of driving the clamping slide plate (432) to move. The clamping hand (410) is disposed on the clamping slide plate (432).

4. The ultrasonic welding machine for battery casings according to claim 3, characterized in that, The clamping hand (410) includes a first clamping part (411), a second clamping part (412), and a third driving unit (413). The first clamping part (411) is disposed on the clamping part slide plate (432), and the third driving unit (413) is disposed on the clamping part slide plate (432) and can drive the second clamping part (412) to move closer to or away from the first clamping part (411).

5. The ultrasonic welding machine for battery casings according to claim 1, characterized in that, The push-tightening positioning mechanism (500) includes a push-tightening unit (510) and an abutment part (520). The push-tightening unit (510) and the abutment part (520) are arranged opposite to each other. The push-tightening unit (510) can push the battery (600) in the working area (101) to abut against the abutment part (520).

6. The ultrasonic welding machine for battery casings according to claim 1, characterized in that, The transport assembly (300) includes a conveyor belt (310) for transporting the battery (600) and a conveyor belt frame (320).

7. The ultrasonic welding machine for battery casings according to claim 6, characterized in that, The transport assembly (300) also includes a guide assembly (330) which can guide the battery (600) to move to the loading area (102) under the drive of the conveyor belt (310); The guiding component (330) includes a fixed guiding part (331) and a guide wheel assembly (332). The fixed guiding part (331) and the guide wheel assembly (332) are respectively disposed on both sides of the conveyor belt frame (320). A conveying channel is formed between the fixed guiding part (331) and the guide wheel assembly (332). The conveying channel gradually narrows along the running direction of the conveyor belt (310).

8. The ultrasonic welding machine for battery casings according to claim 7, characterized in that, The guide assembly (330) further includes a guide plate (333), an adjusting rod (334), and a locking block (335). The guide wheel assembly (332) is disposed on one edge of the guide plate (333). The guide plate (333) is connected to one end of the adjusting rod (334). The other end of the adjusting rod (334) is movably disposed on the locking block (335), and the locking block (335) can lock or release the adjusting rod (334). The locking block (335) is disposed on the conveyor belt frame (320).

9. The ultrasonic welding machine for battery casings according to claim 8, characterized in that, The transport assembly (300) also includes a clamping assembly (340) which is capable of securing the battery (600) during transport and preventing it from moving with the conveyor belt (310).

10. The ultrasonic welding machine for battery casings according to claim 9, characterized in that, The clamping assembly (340) includes a clamping unit (341) disposed on the guide plate (333), and the clamping unit (341) is capable of clamping the battery (600) against the fixed guide portion (331).

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