Cylindrical battery shell conveying device

Abstract

The utility model belongs to the technical field of battery production equipment, and discloses a cylindrical battery shell conveying device which comprises a conveying rack, a detection assembly and a control assembly, a conveying belt and a driving assembly used for driving the conveying belt to move are arranged on the rack, and a plurality of conveying units are arranged on the conveying belt side by side in the conveying direction. A placing groove for placing a cylindrical battery shell is formed in the top of the conveying unit, and an opening of the placing groove is gradually reduced from the opening to the bottom; the detection assembly comprises a detector used for detecting position information of the cylindrical battery shell, the detector comprises a feeding detector and a discharging detector, the feeding detector is arranged on one side of a feeding section of the conveying belt, and the discharging detector is arranged on one side of a discharging section of the conveying belt; the driving assembly and the detection assembly are in signal connection with the control assembly. The device can adapt to conveying operation of cylindrical battery shells of different specifications and sizes, feeding and discharging are convenient, accurate feeding and discharging can be guaranteed, and accurate and stable conveying of materials is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production equipment technical field especially relates to a cylindrical battery shell conveying device. BACKGROUND

[0002] In the production process of cylindrical battery, cylindrical battery shell needs to be accurately, efficiently and stably conveyed from one processing station to the next station to ensure the smooth progress of continuous production. In this process, the conveying device needs to undertake the interaction of the cylindrical battery shell between the last station and the next station, positioning movement and buffer conveying. However, the traditional conveying mechanism often has many problems, for example, fixed tray grid is used for shell placement, which needs to be controlled very accurately during shell placement, and the operation is difficult, which can easily cause inaccurate placement position and shell falling and other problems. Moreover, it has poor compatibility for cylindrical battery shells of different sizes, which can easily cause shell scratches, bumps and other problems, resulting in an increase in product failure rate. In addition, some conveying devices have complex structure, large floor area, need specific circulating jigs and other characteristics, have high failure rate, high maintenance cost, are difficult to adapt to the rhythm of high-speed production, affect the overall production efficiency and have poor practicality. SUMMARY

[0003] The utility model discloses a cylindrical battery shell conveying device which can adapt to the conveying operation of cylindrical battery shells of different specifications and sizes, facilitate feeding and discharging and ensure accurate feeding and discharging, and realize accurate and stable conveying of materials.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] A cylindrical battery shell conveying device is provided, which comprises a conveying rack, a detection assembly and a control assembly. The rack is provided with a conveying belt and a driving assembly for driving the conveying belt to move. A plurality of conveying units are arranged side by side on the conveying belt in the conveying direction. The top of each conveying unit is provided with a placement groove for placing a cylindrical battery shell. The size of the placement groove gradually decreases from the opening to the bottom. The detection assembly includes a detector for detecting the position information of the cylindrical battery shell. The detector includes a feeding detector and a discharging detector. The feeding detector is arranged on one side of the feeding section of the conveying belt, and the discharging detector is arranged on one side of the discharging section of the conveying belt. The driving assembly and the detection assembly are respectively connected to the control assembly.

[0006] In one embodiment, the conveying unit includes a connecting base and a bracket. The bracket is fixedly connected to the conveying belt through the connecting base. The top of the bracket is provided with the placement groove.

[0007] In one of the embodiments, the bracket comprises a bottom plate and side plates arranged on opposite sides of the bottom plate respectively, the placement slot is formed between the two side plates, and the side plates are arranged at an angle with the bottom plate on the side facing the placement slot.

[0008] In one of the embodiments, the side plates are provided with elastic protective layers on the side facing the placement slot and / or the top of the side plates.

[0009] In one of the embodiments, the cylindrical battery shell conveying device further comprises a limiting assembly, the limiting assembly comprises a plurality of limiting supports connected to the conveying frame, and the limiting supports are arranged on both sides of the conveying belt in the conveying direction, the limiting supports are provided with limiting members, and the limiting members on both sides of the conveying belt are respectively in abutment with the two side surfaces of the conveying unit.

[0010] In one of the embodiments, the cylindrical battery shell conveying device further comprises a supporting assembly, the supporting assembly comprises a first supporting member and a second supporting member, the conveying belt comprises a forward segment moving in a first direction and a reverse segment moving in a second direction, the first supporting member is arranged on the side of the forward segment away from the conveying unit, and the second supporting member is arranged on both sides of the reverse segment in the conveying direction, and the supporting part of the second supporting member is in abutment with the side surface of the conveying unit away from the reverse segment.

[0011] The first direction is the same as the conveying direction of the cylindrical battery shell, and the second direction is opposite to the first direction.

[0012] In one of the embodiments, the conveying frame comprises a main support frame and a sub support frame, the main support plate is fixedly connected to the main support frame, and the conveying belt, the driving assembly and the detection assembly are arranged on the main support plate.

[0013] The main support plate comprises a plurality of support sub-plates, the plurality of support sub-plates are arranged side by side and fixedly connected through the sub support frame, and the sub support frame is mounted and fixed to an external fixed platform or device.

[0014] The conveying frame further comprises a sub support frame, when the length of the conveying belt is relatively long, one of the support sub-plates in the middle of the main support plate is connected to the main support frame as the main support, the support sub-plate can be connected to the support sub-plates on both sides through the sub support frame, and the support sub-plates on both sides are respectively mounted and fixed to other platforms or devices through the sub support frame, so as to support the main support plate, reduce the installation and investment of the support frame, and also enable the entire conveying device to be compatible with other devices. In actual operation, according to the length of the conveying line, a plurality of support sub-plates can be connected to each other, a structure of multiple support sub-plates is adopted, which is convenient for production and processing, and also facilitates disassembly, maintenance and other operations.

[0015] In one of the embodiments, the conveying belt is further provided with a protection assembly, the protection assembly comprises protection covers, the conveying belt is covered by the protection covers on both sides in the conveying direction, the protection covers comprise vertical plates and horizontal plates connected with each other, and the horizontal plates of the protection covers on both sides are spaced apart to form openings for the conveying units to pass through.

[0016] In one of the embodiments, the protection assembly further comprises protection plates and a protection cover arranged between the feeding section and the discharging end, the protection plates are arranged outside the protection covers, protrusions are arranged on the opposite sides of the two protection plates arranged oppositely, and the two sides of the protection cover are respectively abutted on the protrusions.

[0017] In one of the embodiments, the driving assembly comprises a driving motor and a driving roller, the driving motor is in driving connection with the driving roller through a transmission member, the driving roller is in driving connection with the conveying belt to drive the conveying belt to move, the driving roller is arranged in the protection cover, one side of the output end of the driving motor is arranged in the protection cover, the other side of the driving motor is arranged outside the protection cover, and the protection cover is provided with an avoiding hole corresponding to the position of the driving motor.

[0018] The driving member comprises a driving wheel and a transmission wheel, the driving wheel is in driving connection with the driving motor, the transmission wheel is coaxially connected with the driving roller, and the driving wheel is in driving connection with the transmission wheel through a transmission belt.

[0019] The utility model discloses a beneficial effect:

[0020] The utility model discloses a cylindrical battery shell conveying device, through setting up a plurality of conveying units side by side in the conveying direction of conveying belt, the top of conveying unit is provided with the placement groove for placing cylindrical battery shell, and the size of placement groove gradually becomes smaller from the opening to the bottom, namely, the opposite two side walls of placement groove are arranged to be inclined, and the inclination angle is inclined to the inside of placement groove from the opening to the bottom, forming the placement groove structure that the section is V type or inverted trapezoidal, so that when cylindrical battery shell is placed on the placement groove, the characteristics of cylindrical battery shell are utilized, cylindrical battery shell can automatically fall into the center position of placement groove, the self centering of cylindrical battery shell is realized, and the accurate and stable placement of cylindrical battery shell is guaranteed.

[0021] Further, an upper feeding detector is arranged on one side of the feeding section of the conveying belt, for detecting the position information of the cylindrical battery shell. When the upper feeding detector fails to detect the position information of the cylindrical battery shell, i.e. detects the empty information, the empty information is transmitted to the control assembly, and the control assembly controls the external upper feeding mechanism or the operator to operate according to the empty information to feed the cylindrical battery shell onto the conveying unit. After the feeding operation is completed, when the upper feeding detector detects the position information of the cylindrical battery shell and transmits the corresponding information to the control assembly, the control assembly controls the driving assembly to drive the conveying belt to move, and the conveying operation of the cylindrical shell is completed.

[0022] In addition, a lower feeding detector is arranged on one side of the lower feeding section of the conveying belt. Similarly, when the lower feeding detector detects the position information of the cylindrical battery shell, the control assembly controls the external lower feeding mechanism to take down the cylindrical battery shell from the conveying unit to complete the lower feeding operation, thereby maintaining the integrity and smoothness of the entire conveying operation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic diagram of the cylindrical battery shell conveying device in one embodiment;

[0024] Figure 2 is Figure 1 is a partial structure enlarged view of part A in

[0025] Figure 3 is an exploded structural schematic diagram of the conveying unit in one embodiment;

[0026] Figure 4 is a structural schematic diagram of the bracket in one embodiment;

[0027] Figure 5 is a structural schematic diagram of the conveying frame in one embodiment;

[0028] Figure 6 is a structural schematic diagram of the protective plate and the protective cover in one embodiment;

[0029] Figure 7 is a structural schematic diagram of the driving assembly in one embodiment.

[0030] In the drawings:

[0031] 100, conveying frame; 110, conveying belt; 111, feeding section; 112, discharging section; 113, first connecting hole; 114, forward section; 115, reverse section; 120, driving assembly; 121, driving motor; 122, driving roller; 123, driving wheel; 124, transmission wheel; 125, transmission belt; 130, support main frame; 140, support sub-frame; 150, support main plate; 151, support sub-plate; 200, detection assembly; 210, feeding detector; 220, discharging detector; 300, conveying unit; 310, placing groove; 320, base; 321, second connecting hole; 330, bracket; 331, bottom plate; 332, side plate; 333, third connecting hole; 334, elastic protective layer; 400, cylindrical battery shell; 500, limiting assembly; 510, limiting support; 520, limiting piece; 600, support assembly; 610, first support member; 620, second support member; 621, support part; 700, protection assembly; 710, protection cover; 711, avoiding hole; 720, protection plate; 721, protruding block; 730, protection cover; 731, handle. DETAILED DESCRIPTION

[0032] The utility model will be described in further detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0033] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0036] like Figures 1 to 7 As shown, a cylindrical battery casing conveying device according to this embodiment includes a conveyor frame 100, a detection component 200, and a control component (not shown). The frame is provided with a conveyor belt 110 and a drive component 120 for driving the conveyor belt 110. Multiple conveying units 300 are arranged side by side on the conveyor belt 110 along the conveying direction. The top of the conveying unit 300 is provided with a placement groove 310 for placing the cylindrical battery casing 400. The size of the placement groove 310 gradually decreases from the opening to the bottom. The detection component 200 includes detectors for detecting the position information of the cylindrical battery casing 400. The detectors include a loading detector 210 and a unloading detector 220. The loading detector 210 is located on one side of the loading section 111 of the conveyor belt 110, and the unloading detector 220 is located on one side of the unloading section 112 of the conveyor belt 110. The drive component 120 and the detection component 200 are respectively signal-connected to the control component.

[0037] In this embodiment, multiple conveying units 300 are arranged side-by-side in the conveying direction of the conveyor belt 110. Each conveying unit 300 has a placement groove 310 at its top for placing cylindrical battery casings 400. The opening of the placement groove 310 gradually decreases in size from the opening to the bottom, meaning the two opposite sidewalls of the placement groove 310 are inclined, with the inclination angle tilting inwards from the opening to the bottom, forming a V-shaped or inverted trapezoidal cross-section. Therefore, when a cylindrical battery casing 400 is placed on the placement groove 310, its characteristics allow it to automatically fall into the center of the groove, achieving self-centering and ensuring accurate and stable placement. This design also accommodates the conveying of cylindrical battery casings 400 of different sizes, reduces the precision requirements for material placement during loading and unloading, and improves loading and unloading efficiency. At the same time, reducing investment in complex equipment can also effectively reduce production costs.

[0038] Further, an upper feeding detector 210 is arranged on one side of the feeding section 111 of the conveying belt 110, for detecting the position information of the cylindrical battery shell 400. When the upper feeding detector 210 does not detect the position information of the cylindrical battery shell, i.e. detects the empty information, the empty information is transmitted to the control assembly, and the control assembly controls the external feeding mechanism (not shown) or the operator to operate according to the empty information to feed the cylindrical battery shell 400 onto the conveying unit 300. After the feeding operation is completed, when the upper feeding detector 210 detects the position information of the cylindrical battery shell 400, the corresponding information is transmitted to the control assembly, and the control assembly controls the driving assembly 120 to drive the conveying belt 110 to move, thereby completing the conveying operation of the cylindrical shell.

[0039] In addition, the lower feeding detector 220 is arranged on one side of the lower feeding section 112 of the conveying belt 110. Similarly, when the lower feeding detector 220 detects the position information of the cylindrical battery shell 400, the control assembly controls the external feeding mechanism (not shown) or the operator to remove the cylindrical battery shell 400 from the conveying unit 300 according to the detection information, thereby completing the lower feeding operation and maintaining the integrity and smoothness of the entire conveying operation.

[0040] In one embodiment, the conveying unit 300 includes a connecting base 320 and a bracket 330, the bracket 330 is fixedly connected with the conveying belt 110 through the connecting base 320, and the top of the bracket 330 is provided with a placing groove 310 for placing the cylindrical battery shell 400. Specifically, the conveying belt 110 is provided with a first connecting hole 113, the connecting base 320 is provided with a second connecting hole 321, and the bracket 330 is provided with a third connecting hole 333. The bracket 330, the connecting base 320 and the conveying belt 110 are fixedly connected by sequentially penetrating the first connecting hole 113, the second connecting hole 321 and the third connecting hole 333 through bolts and other fasteners, which is simple and convenient to disassemble and assemble, and is convenient for disassembly, maintenance and replacement of the conveying unit 300.

[0041] In one of the embodiments, the bracket 330 comprises a bottom plate 331 and side plates 332 arranged on opposite sides of the bottom plate 331 respectively, and a placing groove 310 is formed between the two side plates 332, and the side plate 332 is arranged at an angle with the bottom plate 331 towards the side surface of the placing groove 310. The placing groove 310 is formed in a V-shaped or inverted trapezoidal cross section by the side plate 332 arranged at an angle with the bottom plate 331, so that when the cylindrical battery shell 400 is placed on the placing groove 310, the cylindrical battery shell 400 can automatically fall into the center position of the placing groove 310 by using the characteristics of the cylindrical battery shell 400, so as to realize self-centering of the cylindrical battery shell 400, and ensure accurate and stable placement of the cylindrical battery shell 400. Moreover, the conveying of cylindrical battery shells 400 of different sizes can be adapted, and the requirements for material placement accuracy during feeding and discharging can be reduced, which is conducive to improving the efficiency of feeding and discharging.

[0042] In one of the embodiments, the side plate 332 is provided with an elastic protective layer 334 on the side surface thereof towards the placing groove 310 and / or the top of the side plate 332, so as to realize buffering and protection of the cylindrical battery shell 400, and avoid bumping or scratching of the cylindrical battery shell 400 during feeding. In actual operation, the elastic protective layer 334 is made of an elastic rubber material, which is simple to obtain and low in cost.

[0043] In one of the embodiments, the cylindrical battery shell conveying device further comprises a limiting assembly 500, the limiting assembly 500 comprises a plurality of limiting supports 510 connected to the conveying frame 100, and the limiting supports 510 are arranged on both sides of the conveying belt 110 along the conveying direction, and the limiting supports 510 are provided with limiting members 520, and the limiting members 520 on both sides of the conveying belt 110 respectively abut against both side surfaces of the conveying unit 300. The conveying unit 300 is limited from both sides by the limiting members 520, so as to avoid shaking of the conveying unit 300 along both sides during conveying, which is conducive to ensuring the stability of the conveying unit 300 during conveying, i.e. ensuring the conveying stability of the cylindrical battery shell 400 on the conveying unit 300.

[0044] In one of the embodiments, the cylindrical battery shell conveying device further comprises a support assembly 600, the support assembly 600 comprises a first support member 610 and a second support member 620, the conveying belt 110 comprises a forward section 114 moving in a first direction and a reverse section 115 moving in a second direction, the first support member 610 is arranged on a side of the forward section 114 away from the conveying unit 300; the second support member 620 is arranged on both sides of the reverse section 115 along the conveying direction, and the support part 621 of the second support member 620 abuts against a side of the conveying unit 300 away from the reverse section 115; wherein the first direction is the same as the conveying direction of the cylindrical battery shell 400, and the second direction is opposite to the first direction.

[0045] Specifically, the forward section conveying belt 110 will fall to a certain extent under the action of its own weight and the gravity of the conveying unit 300 and the cylindrical battery shell 400, and the first support member 610 is used to support the conveying belt 110 of the forward section 114. The reverse section 115 will also fall to a certain extent under the action of its own weight and the gravity of the conveying unit 300 and the cylindrical battery shell 400, and the second support member 620 supports the conveying unit 300 and supports the conveying belt 110 to the normal conveying position, which is conducive to ensuring the stability of the entire conveying process.

[0046] In actual operation, the side of the limiting piece 520 and the second support member 620 abutting against the conveying unit 300 is provided with a bearing or a roller structure, which reduces the friction between the limiting piece 520 and the second support member 620 and the conveying unit 300, avoids wearing the conveying unit 300, and also reduces the conveying resistance to ensure the smoothness of the conveying.

[0047] As shown in Figure 5 In one of the embodiments, the conveying frame 100 comprises a support main frame 130 and a support auxiliary frame 140, the support main frame 130 is fixedly connected with a support main plate 150, and the conveying belt 110, the driving assembly 120 and the detection assembly 200 are arranged on the support main plate 150. The support main plate 150 comprises a plurality of support sub-plates 151, the plurality of support sub-plates 151 are arranged side by side and fixedly connected through the support auxiliary frame 140, and the support auxiliary frame 140 is installed and fixed on an external fixed platform or equipment.

[0048] When the length of the conveying belt 110 is long, one of the support sub-plates 151 in the middle of the support main plate 150 is connected with the support main frame 130 as the main support, the support sub-plate 151 and the support sub-plates 151 on both sides can be connected through the support auxiliary frame 140, and the support sub-plates 151 on both sides are respectively installed and fixed on other platforms or devices through the support auxiliary frame 140, so as to realize the support of the support main plate 150, reduce the installation and investment of the support frame, and also enable the whole conveying device to be compatible and connected with other devices. In actual operation, according to the length of the conveying line, a plurality of support sub-plates 151 can be connected with each other, the structure of the plurality of support sub-plates 151 is adopted, the production and processing are facilitated, and the disassembly and maintenance operations are also facilitated.

[0049] In one of the embodiments, the conveying belt 110 is also provided with a protection assembly 700, the protection assembly 700 includes a protection cover 710, the conveying belt 110 is covered with the protection cover 710 on both sides along the conveying direction, the protection cover 710 includes a vertical plate and a horizontal plate connected with each other, and the horizontal plates of the protection covers 710 on both sides are arranged at intervals to form an opening through which the conveying unit 300 passes. The protection cover 710 is used for protection, so as to avoid the interference of the conveying belt 110 by the external environment, reduce the possibility of jamming in the conveying process, avoid the possibility that the hands, clothes and the like of the operators are rolled into the conveying belt 110 due to the mistakes of the operators, and improve the operation safety.

[0050] In one of the embodiments, the protection assembly 700 further includes a protection plate 720 and a protection cover 730 arranged between the feeding section 111 and the discharging end, the protection plate 720 is arranged outside the protection cover 710, the conveying belt 110 is provided with the protection plate 720 on both sides along the conveying direction, the opposite sides of the two protection plates 720 arranged at intervals are provided with protrusions 721, and the protection cover 730 is abutted on the protrusions 721 on both sides, so as to support the protection cover 730 through the protrusions 721. The protection plate 720 and the protection cover 730 are used for further protection of the cylindrical battery shell 400, so as to avoid the influence of the external environment on the cylindrical battery shell 400 in the conveying process. The handle 731 is arranged above the protection cover 730, so as to facilitate the operators to take and operate the protection cover 730.

[0051] As Figure 7As shown, in one of the embodiments, the driving assembly 120 comprises a driving motor 121 and a driving roller 122, the driving motor 121 is in driving connection with the driving roller 122 through a transmission member, the driving roller 122 is in driving connection with the conveying belt 110 to drive the conveying belt 110 to move, the driving roller 122 is arranged in the protective cover 710, one side of the driving motor 121 is arranged in the protective cover 710, the other side of the driving motor 121 is arranged outside the protective cover 710, and the protective cover 710 is provided with a avoiding hole 711 corresponding to the position of the driving motor 121. Specifically, the driving member comprises a driving wheel 123 and a transmission wheel 124, the driving wheel 123 is in driving connection with the driving motor 121, the transmission wheel 124 is coaxially connected with the driving roller 122, and the driving wheel 123 is in driving connection with the transmission wheel 124 through a transmission belt 125.

[0052] Obviously, the above embodiments of the utility model are only for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For the ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A cylindrical battery casing conveying device, characterized in that, The utility model relates to a kind of cylinder battery shell conveying device, including: Conveying frame (100), the rack is provided with conveying belt (110) and the drive assembly (120) for driving the movement of the conveying belt (110), the conveying belt (110) is provided with a plurality of conveying units (300) side by side along the conveying direction, the top of the conveying unit (300) is provided with the placement slot (310) for placing cylindrical battery shell (400), the size of the placement slot (310) gradually decreases from opening to bottom; Detection assembly (200), the detection assembly (200) includes detector for detecting the position information of the cylindrical battery shell (400), the detector includes feeding detector (210) and discharging detector (220), the feeding detector (210) is arranged at the side of feeding section (111) of the conveying belt (110), and the discharging detector (220) is arranged at the side of discharging section (112) of the conveying belt (110); Control assembly, the drive assembly (120) and the detection assembly (200) are respectively connected with the control assembly signal.

2. The cylindrical battery case conveying apparatus according to claim 1, wherein The conveying unit (300) includes connecting base (320) and bracket (330), the bracket (330) is fixedly connected with the conveying belt (110) by connecting base (320), and the top of the bracket (330) is provided with the placement slot (310).

3. The cylindrical battery case conveying apparatus according to claim 2, wherein The bracket (330) includes bottom plate (331) and side plate (332) arranged on the opposite sides of the bottom plate (331) respectively, and the placement slot (310) is formed between the two side plates (332), and the side surface of the side plate (332) towards the placement slot (310) is arranged at an angle with the bottom plate (331).

4. The cylindrical battery case conveying apparatus according to claim 3, wherein The side surface of the side plate (332) towards the placement slot (310) and / or the top of the side plate (332) is provided with elastic protective layer (334).

5. The cylindrical battery case conveying apparatus according to any one of claims 1 to 4, characterized by It further includes limiting component (500), the limiting component (500) includes a plurality of limiting supports (510) connected on the conveying frame (100), and the limiting support (510) is arranged on both sides of the conveying belt (110) along the conveying direction, the limiting piece (520) is arranged on the limiting support (510), and the limiting piece (520) on both sides of the conveying belt (110) respectively abuts with both sides of the conveying unit (300).

6. The cylindrical battery case conveying apparatus according to any one of claims 1 to 4, characterized by Further comprising a support assembly (600), the support assembly (600) comprises a first support member (610) and a second support member (620), the conveying belt (110) comprises a forward section (114) moving in a first direction and a reverse section (115) moving in a second direction, the first support member (610) is arranged on the side of the forward section (114) away from the conveying unit (300); the second support member (620) is arranged on both sides of the reverse section (115) along the conveying direction, and the support part (621) of the second support member (620) abuts against the side of the conveying unit (300) away from the reverse section (115). The first direction is the same as the conveying direction of the cylindrical battery shell (400), and the second direction is opposite to the first direction.

7. The cylindrical battery case conveying apparatus according to any one of claims 1 to 4, characterized by The conveying rack (100) comprises a support main frame (130) and a support sub-frame (140), and the support main frame (130) is fixedly connected with a support main plate (150); the conveying belt (110), the driving assembly (120) and the detection assembly (200) are arranged on the support main plate (150). The support main plate (150) comprises a plurality of support sub-plates (151), and the plurality of support sub-plates (151) are arranged side by side and fixedly connected by the support sub-frame (140); and the support sub-frame (140) is fixedly installed on an external fixed platform or device.

8. The cylindrical battery case conveying apparatus according to claim 1, wherein The conveying belt (110) is further provided with a protection assembly (700), the protection assembly (700) comprises a protection cover (710), and the conveying belt (110) is covered with the protection cover (710) on both sides along the conveying direction; the protection cover (710) comprises vertical plates and horizontal plates connected with each other, and the horizontal plates of the protection covers (710) on both sides are arranged at intervals to form openings for the conveying unit (300) to pass through.

9. The cylindrical battery case conveying apparatus according to claim 8, wherein The protection assembly (700) further comprises protection plates (720) and protection covers (730) arranged between the feeding section (111) and the discharging end; the protection plates (720) are arranged on the outer side of the protection cover (710), and protrusions (721) are arranged on the opposite sides of the two protection plates (720) arranged opposite to each other; and the protection covers (730) are abutted on the protrusions (721) on both sides respectively.

10. The cylindrical battery case conveying apparatus according to claim 8 or 9, characterized by The driving assembly (120) comprises a driving motor (121) and a driving roller (122), the driving motor (121) is drivingly connected with the driving roller (122) through a transmission member, the driving roller (122) is drivingly connected with the conveying belt (110) to drive the conveying belt (110) to move, the driving roller (122) is arranged in the protection cover (710), one side of the output end of the driving motor (121) is arranged in the protection cover (710), the other side of the driving motor (121) is arranged outside the protection cover (710), and the protection cover (710) is provided with an avoiding hole (711) corresponding to the position of the driving motor (121).

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