CN220282993U - Polar coil discharging device, polar coil conveying unit and polar coil conveying processing system - Google Patents

Abstract

The utility model relates to a pole roll blanking device, a conveying unit and a conveying processing system. The pole roll blanking device comprises a mounting seat, a pushing mechanism, a clamping mechanism and a receiving shaft, wherein the clamping mechanism and the receiving shaft are arranged on the mounting seat; the pole roll conveying unit comprises a material tray, a lifting mechanism, a belt conveying mechanism and a pole roll discharging device; the pole roll conveying and processing system comprises a pole roll conveying line, a plurality of winding machines and a plurality of pole roll conveying units. The pole roll conveying process can realize automatic feeding and discharging of the pole roll, has higher automation degree, can lead the pole piece roll to be infinitely prepared, reduces labor cost and improves processing efficiency; and can carry out automatic recovery to empty charging tray and hollow shaft, promote the degree of automation of whole utmost point book processing production line.

Description

Polar coil discharging device, polar coil conveying unit and polar coil conveying processing system

Technical Field

The utility model relates to the field of battery core processing equipment, in particular to a pole roll blanking device, a pole roll conveying unit and a pole roll conveying processing system.

Background

In the processing process of the battery cell pole piece, the conveyed pole roll is required to be transferred to a winding machine, the current processing equipment cannot meet the requirement of full-automatic feeding and discharging transfer from a conveying line to the winding machine, and the automation degree is low; for example, the current technical means discloses a pole piece roll feeding car for lithium battery winder, including car body and locate the guide bar on the car body, the car body includes fixed connection's bottom sprag structure and vertical supporting structure, bottom sprag structure rollably sets up, the guide bar is along the fixed vertical supporting structure that locates in the direction of perpendicular to vertical supporting structure, so that the rolling section of thick bamboo of battery pole piece roll is pegged graft on the guide bar along the axial and make the guide bar follow the inner wall of rolling section of thick bamboo and support battery pole piece roll, a plurality of universal balls with the inner wall rolling contact of rolling section of thick bamboo of receipts are laid to the upper surface of guide bar, a plurality of universal balls are arranged along the axial of guide bar, support battery pole piece roll in order to reduce the resistance when battery pole piece roll moves along the horizontal direction through the universal ball. This pole piece is rolled up skip for lithium cell winder still includes the flexible ejector pin that is in the one end that guide bar is close to vertical supporting structure, and flexible ejector pin includes dead lever and telescopic link, and the upper surface of guide bar is fixed to be located to the dead lever, and telescopic link telescopically locates the one end of dead lever orientation universal ball, and telescopic link concertina movement is in order to promote the direction motion of the feed roller of a rolling section of thick bamboo orientation winder from the terminal surface of the grafting end of a rolling section of thick bamboo. This skip car can't realize automatic feeding, adopts the mode that telescopic link promoted when the rolling section of thick bamboo unloading, can make rolling section of thick bamboo atress unbalanced, takes place the skew of position, influences subsequent processing location to this skip car temporarily can't match the production line in big workshop, can't realize extensive full automated production, and machining efficiency is not high.

Disclosure of Invention

The utility model provides a pole roll blanking device, a pole roll conveying unit and a pole roll conveying processing system, which are used for solving the problem that the existing processing equipment in the background art cannot meet the requirement of full-automatic feeding and blanking transfer from a conveying line to a winding machine and are low in automation degree. The utility model has higher degree of automation and effectively improves the processing efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a utmost point book unloader for the unloading is rolled up to the material of movable sleeve on the hollow shaft, is in including mount pad, pushing equipment and install fixture on the mount pad and be used for pegging graft the receiving shaft in the hollow shaft, receiving shaft fixed connection is in on the mount pad, pushing equipment is located one side of receiving the receiving shaft and can follow receiving shaft direction removes, fixture can hold the one end of hollow shaft.

Further, the pushing mechanism comprises a motor base, a screw rod, a sliding block and a pushing assembly, wherein the motor base is connected with one end of the sliding side plate through the sliding side plate, the screw rod is arranged along the sliding side plate, the sliding block is in threaded connection with the screw rod, the pushing assembly is connected to the sliding block, the bottom of the sliding block is in sliding connection with the sliding side plate, the screw rod is parallel to the receiving shaft, and a driving assembly for driving the screw rod to rotate is further arranged on the motor base.

Further, the pushing component comprises a mounting plate which is vertically connected with one side surface of the sliding block, which is close to the material receiving shaft, a pushing clamping cylinder is arranged on the mounting plate, and a pushing claw capable of clamping the hollow shaft of the material roll is arranged at the output end of the pushing clamping cylinder.

Further, the clamping mechanism comprises a clamping jaw air cylinder and a clamp matched with the hollow shaft, the clamping jaw air cylinder is installed on the installation seat through a connecting block, the clamp is installed at the output end of the clamping jaw air cylinder, and the hollow shaft penetrates through the jaw of the clamp.

There is also provided a pole roll transport unit comprising:

the charging tray is used for placing a hollow shaft to be conveyed and a material roll sleeved on the hollow shaft;

the lifting mechanism is used for moving to the next station through the material tray with the material roll;

the belt conveying mechanism is used for moving the material tray transferred by the lifting mechanism to the next station;

the pole roll blanking device;

the pole roll blanking device is arranged at one end of the belt conveying mechanism and receives the material roll conveyed by the belt conveying mechanism through the material receiving shaft.

Further, belt conveyor mechanism includes horizontal conveyer belt and vertical conveyer belt, the direction of delivery of vertical conveyer belt with the direction of delivery mutually perpendicular of horizontal conveyer belt, horizontal conveyer belt is kept away from elevating system one end is equipped with the transport base, the transport base is located between the opposite both sides of horizontal conveyer belt, vertical conveyer belt is located on the transport base, the below of transport base is equipped with and is used for with carry the base jack-up so that the conveying surface of vertical conveyer belt with the jacking cylinder of the conveying surface parallel and level of horizontal conveyer belt, connect the material axle to be located the top between the both sides of vertical conveyer belt, connect the material axle with the direction of delivery of vertical conveyer belt is parallel.

Further, the tray comprises a bottom plate and supporting seats positioned on two opposite sides of the tray, and notches matched with the hollow shafts are formed in the supporting seats.

Still provide a utmost point and roll up transport processing system, including utmost point roll up transfer chain, a plurality of coiler and a plurality of foretell utmost point roll up the transfer chain and set gradually along extremely roll up the transfer chain, the coiler with extremely roll up the setting of the extremely roll unloader one-to-one on the transfer chain.

Further, the pole roll conveying line comprises a forward conveying line for conveying the material disc loaded with the material roll and a reverse conveying line for recycling the empty material disc and the hollow shaft, and the lifting mechanism is located on one side of the forward conveying line, which is opposite to the reverse conveying line.

Compared with the prior art, the beneficial effects are that:

1. the pole roll conveying process can realize automatic feeding and discharging of the pole roll, has higher automation degree, can lead the pole piece roll to be infinitely prepared, reduces labor cost and improves processing efficiency; and can carry out automatic recovery to empty charging tray and hollow shaft, promote the degree of automation of whole utmost point book processing production line.

2. According to the pushing mechanism, the side surface of the pushing claw acts on the side surface of the pole coil, so that the stress is more balanced, the pole coil cannot be deformed, the pushing claw can do clamping action, and the clamping claw is opened to avoid the gap during feeding, so that the hollow shaft and the coil stock are prevented from being blocked; in addition, when the pushing claw is used for pushing materials, the upper part and the lower part of the hollow shaft are slightly clamped, so that the hollow shaft is prevented from deforming, and the friction force is reduced.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1.

FIG. 2 is a schematic diagram of the structure of example 1 with a roll.

Fig. 3 is a schematic diagram of the structure of the pushing material of example 1.

Fig. 4 is a schematic structural diagram of the pushing material of example 1.

Fig. 5 is a schematic view of the structure of embodiment 1 on the side of the sliding side plate.

FIG. 6 is a schematic cross-sectional view of example 1 with a roll thereon.

Fig. 7 is a schematic structural diagram of the pushing assembly in embodiment 1.

Fig. 8 is a schematic structural view of the clamping mechanism in embodiment 1.

Fig. 9 is a schematic structural view of embodiment 2.

Fig. 10 is a schematic structural view of a belt conveying mechanism in embodiment 2.

Fig. 11 is a schematic view of the structure of a tray with rolls.

Fig. 12 is a schematic structural diagram of embodiment 3.

FIG. 13 is a schematic view of example 3 with the roll lowered into place.

Fig. 14 is a schematic view of example 3 when the roll reaches the blanking device.

Fig. 15 is a schematic view of embodiment 3 when the tray reaches the waiting position.

Fig. 16 is a schematic diagram of example 3 at the completion of roll pushing.

Fig. 17 is a schematic view showing the structure of embodiment 3 when the tray returns to the lifting mechanism position to wait for recovery.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent. In addition, it should also be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the present application and the overall thickness, length, width, etc. dimensions of the integrated device shown in the drawings are merely illustrative and should not be construed as limiting the present application in any way.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In the description of the embodiments of the present application, the azimuth or positional relationship indicated by the technical terms "thickness", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the embodiments of the present application.

The technical solution of the present utility model will be further specifically described below by means of specific embodiments, and with reference to the accompanying drawings, it is apparent that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Example 1

As shown in fig. 1 to 6, the pole roll blanking device comprises a mounting seat 1, a pushing mechanism 3, a clamping mechanism 2 arranged on the mounting seat 1 and a receiving shaft 4 inserted into a hollow shaft 54, wherein the receiving shaft 4 is fixedly connected to the mounting seat 1, the pushing mechanism 3 is positioned on one side of the receiving shaft 4 and can move along the direction of the receiving shaft 4, and the clamping mechanism 2 can clamp one end of the hollow shaft 54. Thus, the embodiment is suitable for blanking before the pole coil 55 movably sleeved on the hollow shaft 54 enters the winding machine, when the pole coil 55 is used for winding processing equipment, after being in butt joint with the receiving shaft 4 through the hollow shaft 54 on the pole coil 55, the pole coil 55 is integrally moved to a proper position, and when blanking, one end of the hollow shaft 54 is clamped by the clamping mechanism 2, the pushing mechanism 3 pushes the pole coil 55 to be blanked along the hollow shaft 54, and the pushing mechanism 3 acts on the end face of the pole coil 55; the automatic blanking of the pole coil is realized integrally.

In this embodiment, the pushing mechanism 3 includes a sliding side plate 31, a motor base 30 connected to one end of the sliding side plate 31, a screw rod 39 disposed along the sliding side plate 31, a sliding block 32 screwed with the screw rod 39, and a pushing component 33 connected to the sliding block 32, where the sliding side plate 31 is fixed on an external winder fixing structure, the bottom of the sliding block 32 is slidably connected with the sliding side plate 31, the screw rod 39 is parallel to the hollow shaft 54, and a driving component 34 for driving the screw rod 39 to rotate is further disposed on the motor base 30; the driving assembly 34 comprises a driving motor 35, a driving wheel 36 and a driven wheel 37, wherein a base of the driving motor 35 is arranged on the motor base 30, the driving wheel 36 is connected to an output shaft of the driving motor 35, the driven wheel 37 is connected to one end of a screw rod 39, and belt transmission is formed between the driven wheel 37 and the driving wheel 36 through a synchronous belt 38; as shown in fig. 7, the pushing component 33 includes a mounting plate 331 vertically connected to a side surface of the sliding block 32 near the receiving shaft 4, a pushing clamping cylinder 332 is disposed on the mounting plate 331, and a pushing claw capable of clamping the hollow shaft 54 is disposed at an output end of the pushing clamping cylinder 332; as shown in fig. 8, the clamping mechanism 2 comprises a clamping jaw cylinder 21 and a clamp 22 matched with a hollow shaft 54, wherein the clamping jaw cylinder 21 is arranged on the mounting seat 1 through a connecting block, the clamp 22 is arranged at the output end of the clamping jaw cylinder 21, and the hollow shaft 54 passes through the jaws of the clamp 22. In this way, when the pole coil 55 is fed, the pole coil 55 is firstly abutted with the hollow shaft 54, then sleeved on the fixed receiving shaft 4 through the hollow shaft 54, positioning sleeving of the pole coil 55 is realized, then when feeding is needed, the clamping jaw air cylinder 21 acts to drive the clamp 22 to clamp the hollow shaft 54 so as to prevent the pole coil 55 from being pushed away together, then the driving wheel 36 is driven to rotate through the driving motor 35 in the pushing mechanism 3 so as to drive the driven wheel 37 to rotate, the driven wheel 37 is fixed at one end of the screw rod 39, the screw rod 39 rotates along with the rotation, the sliding block 32 is driven to move along the sliding side plate 31 based on the action principle of the screw rod sliding block, the moving direction of the sliding block is parallel to the direction of the receiving shaft 4, the pushing component 33 on the sliding block 32 pushes the pole coil 55 to feed along the hollow shaft 54, in particular, the side surface of the pushing jaw acts on the side surface of the pole coil 55, the stress is more balanced, the pole coil 55 is not deformed, the pushing jaw can be clamped, and the clamping jaw can be opened during feeding so as to avoid blocking the spindle 54 and the coil; in addition, when the pushing claw is used for pushing materials, the upper part and the lower part of the hollow shaft 54 are slightly clamped, so that the hollow shaft 54 is prevented from being deformed, and the friction force is reduced.

Example 2

The present embodiment provides a pole roll conveying unit, as shown in fig. 9, including:

the material tray 5 is used for placing a hollow shaft 54 to be conveyed and a material roll 55 sleeved on the hollow shaft 54;

a lifting mechanism 60 for passing through the tray 5 with the roll 55 and transferring to the next station;

the belt transmission mechanism 70 is used for moving the tray 5 transferred by the lifting mechanism 60 to the next station;

and the pole roll blanking device 10 in embodiment 1;

the pole roll blanking device 10 is arranged at one end of the belt conveying mechanism 70 and receives the material roll 55 conveyed by the belt conveying mechanism 70 through the material receiving shaft 4.

Referring to fig. 9, 10 and 11, the belt conveying mechanism 70 includes two sets of transverse conveying belts 71 and three sets of longitudinal conveying belts 72 which are arranged in parallel and spaced apart from each other, the conveying direction of the longitudinal conveying belts 72 is mutually perpendicular to the conveying direction of the transverse conveying belts 71, one end of each set of transverse conveying belts 71, which is far away from the lifting mechanism 60, is provided with a conveying base 73, the conveying base 73 is arranged between opposite sides of the transverse conveying belts 71 or between adjacent transverse conveying belts 71, the longitudinal conveying belts 72 are arranged on the conveying base 73, a lifting cylinder for lifting the conveying base 73 so that the conveying surface of the longitudinal conveying belts 72 is flush with the conveying surface of the transverse conveying belts 71 is arranged below the conveying base 73, the material receiving shaft 4 is positioned above between the opposite sides of the longitudinal conveying belts 72, and the material receiving shaft 4 is parallel to the conveying direction of the longitudinal conveying belts 72. Specifically, the lifting mechanism 60 and the pole coil blanking device 10 are respectively provided with a transverse conveying belt 71 at a position corresponding to the pole coil blanking device, and the two groups of transverse conveying belts 71 are communicated through three groups of longitudinal conveying belts 72.

Referring to fig. 11, the tray 5 includes a bottom plate 51 and supporting seats 52 located at opposite sides of the tray 5, and the supporting seats 52 are provided with notches 53 matching with the hollow shafts 54. In this way, the hollow shaft 54 can be supported by the support after its two ends have fallen into the corresponding recesses 53, and so that the rolls 55 do not touch the bottom plate 51.

Thus, referring to fig. 13 to 17, at the beginning, the tray 5 with the material roll 55 reaches the high position of the lifting mechanism 60, a hollow shaft 54 is penetrated through the axle center of the material roll 55, both ends of the hollow shaft 54 penetrate out from the end parts of the material roll 55, the material roll 55 is supported on the supporting seats 52 at both sides of the material roll 5 through the hollow shaft 54 on the hollow shaft 54, when the material roll reaches the lifting mechanism 60 through the conveying line, the lifting mechanism 60 is followed to descend to drive the material carrying tray 5 to reach the initial end of the transverse conveying belt 71, when the transverse conveying belt 71 moves the material roll 5 to the tail end of the material roll 5, the longitudinal conveying belt 72 is initially in a descending position, when the material roll 5 reaches the tail end of the transverse conveying belt 71, the longitudinal conveying belt 72 is in contact with the material roll 5 to drive the material roll 5 to move longitudinally, the longitudinal conveying belt 72 extends longitudinally section by section, finally reaches the position of the material receiving shaft 4 through the hollow shaft 54 on the material roll 5, then the cylinder 21 acts to clamp the hollow shaft 54 through the clamp 22, the longitudinal conveying belt 72 is pushed down to the corresponding position of the hollow shaft 54, and simultaneously drives the hollow shaft 54 to move away from the material roll 5 to the corresponding position of the lifting mechanism 54 to the lower the material roll position, and the material roll is pushed back to the material roll 3 to move transversely to the position to the material roll 3 to the corresponding position to the position of the material roll is pushed by the hollow shaft 3 to move; after the pushing is completed, the transverse conveying belt 71 drives the empty material tray 5 to return to the alignment of the blanking device, the clamping jaw air cylinder 21 acts to enable the clamp 22 to loosen the hollow shaft 54, the jacking air cylinder jacks up, the longitudinal conveying belt 72 is enabled to contact with the material tray 5, two ends of the hollow shaft 54 fall into corresponding notches 53, and then are fixedly clamped by the overturning limiting pieces 56 arranged at the notches; the longitudinal conveyor 72 is then moved to retrieve the empty trays 5 and hollow shafts 54.

The whole pole roll conveying process can realize automatic feeding and discharging of the pole roll 55, and has higher automation degree, so that the pole roll 55 is infinitely prepared, the labor cost is reduced, and the processing efficiency is improved; and can carry out automatic recovery to empty charging tray 5 and hollow shaft 54, promote the degree of automation of whole utmost point book processing line.

Example 3

The present embodiment is a pole roll conveying processing system, as shown in fig. 12, including a pole roll conveying line, a plurality of winding machines 80, and a plurality of pole roll conveying units 90 in embodiment 2, the pole roll conveying units 90 are sequentially arranged along the pole roll conveying line, and the winding machines 80 are arranged in one-to-one correspondence with pole roll discharging devices 10 on the pole roll conveying units 90. The pole roll conveyor line includes a forward conveyor line 101 for conveying the trays 5 loaded with the rolls 55 and a reverse conveyor line 102 (conveying the rolls 55 in the direction indicated by the arrow in the figure) for recovering the empty trays 5 and the hollow shafts 54, and the elevating mechanism 60 is located on the side of the forward conveyor line 101 facing away from the reverse conveyor line 102. In this way, the pole coil to be conveyed is loaded on the tray 5 through the hollow shaft 54, then conveyed to the corresponding pole coil conveying unit 90 through the forward conveying line 101, received and transferred to the pole coil blanking device 10 through the lifting mechanism 60, the pole coil blanking mechanism 10 is used for blanking the pole coil 55 into the winding machine 90, the empty tray 5 left by the pole coil blanking mechanism 10 and the hollow shaft 54 on the empty tray 5 are moved back to the position below the lifting mechanism 60 through the belt conveying mechanism 70, then reach the middle position of the lifting mechanism 60, and are pushed and moved to the reverse conveying line 102, and the empty tray 5 and the hollow shaft 54 are conveyed to the material preparation area 103 for recycling treatment, so that the next material preparation is performed.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The utility model provides a utmost point book unloader for the material roll unloading on hollow shaft (54) is established to the movable sleeve, its characterized in that includes mount pad (1), pushing equipment (3) and installs fixture (2) on mount pad (1) and be used for pegging graft receiving shaft (4) in hollow shaft (54), receiving shaft (4) fixed connection is in on mount pad (1), pushing equipment (3) are located one side of receiving shaft (4) and can follow receiving shaft (4) direction removes, fixture (2) can hold the one end of hollow shaft (54).

2. The pole roll blanking device according to claim 1, characterized in that the pushing mechanism (3) comprises a sliding side plate (31), a motor base (30) connected to one end of the sliding side plate (31), a screw rod (39) arranged along the sliding side plate (31), a sliding block (32) in threaded connection with the screw rod (39) and a pushing assembly (33) connected to the sliding block (32), the bottom of the sliding block (32) is in sliding connection with the sliding side plate (31), the screw rod (39) is parallel to the material receiving shaft (4), and a driving assembly (34) for driving the screw rod (39) to rotate is further arranged on the motor base (30).

3. The pole roll blanking device according to claim 2, characterized in that the driving assembly (34) comprises a driving motor (35), a driving wheel (36) and a driven wheel (37), a stand of the driving motor (35) is mounted on the motor base (30), the driving wheel (36) is connected to an output shaft of the driving motor (35), the driven wheel (37) is connected to one end of the screw rod (39), and belt transmission is formed between the driven wheel (37) and the driving wheel (36) through a synchronous belt (38) arranged between the driven wheel and the driving wheel.

4. A pole roll blanking device according to claim 3, characterized in that the pushing assembly (33) comprises a mounting plate (331) vertically connected to a side surface of the sliding block (32) close to the receiving shaft (4), a pushing clamping cylinder (332) is arranged on the mounting plate (331), and a pushing claw (333) capable of clamping the hollow shaft (54) of the pole roll is arranged at the output end of the pushing clamping cylinder (332).

5. A pole roll blanking device according to claim 3, characterized in that the clamping mechanism (2) comprises a clamping jaw cylinder (21) and a clamp (22) matched with the hollow shaft (54), the clamping jaw cylinder (21) is fixedly connected to the mounting base (1) through a connecting block, the clamp (22) is mounted at the output end of the clamping jaw cylinder (21), and the hollow shaft (54) penetrates through the jaws of the clamp (22).

6. A pole roll transport unit comprising:

the material tray (5) is used for placing a hollow shaft (54) to be conveyed and a pole roll (55) sleeved on the hollow shaft (54);

a lifting mechanism (60) for receiving the tray (5) mounted on the polar roll (55) and transferring to the next station;

the belt conveying mechanism (70) is used for moving the material tray (5) transferred by the lifting mechanism (60) to the next station;

-a pole roll blanking device (10) according to any of the claims 1 to 5;

the pole roll discharging device is arranged at one end of the belt conveying mechanism (70) and receives the pole roll (55) conveyed by the belt conveying mechanism (70) through the receiving shaft (4).

7. The pole roll conveying unit according to claim 6, wherein the belt conveying mechanism (70) comprises a transverse conveying belt (71) and a longitudinal conveying belt (72), the conveying direction of the longitudinal conveying belt (72) is perpendicular to the conveying direction of the transverse conveying belt (71), a conveying base (73) is arranged at one end, far away from the lifting mechanism (60), of the transverse conveying belt (71), the conveying base (73) is arranged between two opposite sides of the transverse conveying belt (71), the longitudinal conveying belt (72) is arranged on the conveying base (73), a lifting cylinder for lifting the conveying base (73) so that the conveying surface of the longitudinal conveying belt (72) is level with the conveying surface of the transverse conveying belt (71) is arranged below the conveying base (73), and the material receiving shaft (4) is arranged above the position between two sides of the longitudinal conveying belt (72) and is parallel to the conveying direction of the longitudinal conveying belt (72).

8. Pole-coil conveying unit according to claim 7, characterized in that the tray (5) comprises a bottom plate (51) and supporting seats (52) located on opposite sides of the tray (5), the supporting seats (52) being provided with recesses (53) matching the hollow shafts (54).

9. The pole roll conveying and processing system is characterized by comprising a pole roll conveying line, a plurality of winding machines (80) and a plurality of pole roll conveying units (90) according to any one of claims 6 to 8, wherein the pole roll conveying units (90) are sequentially arranged along the pole roll conveying line, and the winding machines (80) are arranged in one-to-one correspondence with pole roll discharging devices (10) on the pole roll conveying units (90).

10. Pole-coil conveying processing system according to claim 9, characterized in that the pole-coil conveying line comprises a forward conveying line (101) for conveying the trays (5) loaded with pole coils (55) and a reverse conveying line (102) for recovering empty trays (5) and hollow shafts (54), the lifting mechanism (60) being located on the side of the forward conveying line (101) facing away from the reverse conveying line (102).