Bearing roller packaging system and packaging method

Abstract

The present invention discloses a bearing roller packaging system and packaging method, which belongs to the field of bearing roller processing equipment. In the packaging system of the present invention, its boxing device includes a hopper, a first translation rail and a second translation rail, the hopper is slidably connected with the sliding rail, a sliding rail arranged along the first direction is arranged on the head end of the lower transmission rail, the upper transmission rail of the transmission device is arranged along the second direction, the lower transmission rail is arranged parallel to the upper transmission rail, and can slide relative to the upper transmission rail in the second direction, so that the lower transmission rail can follow the hopper to move synchronously in the second direction, which can reduce the deformation degree of the roller roll, thereby reducing the probability of the roller roll being damaged at the head end of the lower transmission rail; at the same time, a buffer portion is formed on the hopper, when the moving speed of the hopper slows down, the roller roll can be buffered on the buffer portion on the hopper, so as not to droop under the hopper, preventing the roller roll from presenting an "S" shape, thereby preventing the roller roll from being damaged.

Description

Technical Field

[0001] The present invention relates to the technical field of bearing roller processing equipment, and more specifically, to a bearing roller packaging system and packaging method. Background Art

[0002] In order to prevent bearing rollers from colliding with each other and being damaged during transportation, the patent document with application number 2020203395901 discloses a bearing tapered roller packaging system, in which a feeding mechanism includes a material guide member, and a film feeding mechanism includes a film guide member. The material guide member is arranged above the film guide member and a first gap is formed between the two. After the packaging film passes through the first gap, its two edges are folded inward and wrap the material guide member; a second gap is formed between the two conveying wheels of the conveying mechanism, and after the packaging film passes through the second gap, its two edges are pressed and form a continuous packaging bag; a third gap is formed between the edge sealing wheel and the auxiliary wheel of the edge sealing mechanism, and the edges of the packaging bag are sealed after passing through the third gap; thereafter, the packaging bag is coiled in the packaging box by the coiling mechanism to complete the packaging.

[0003] In this scheme, the roller belt is turned by the steering mechanism and then wound in the packaging box by the winding mechanism. However, since the steering mechanism is fixed relative to the packaging box, on the one hand, the roller belt located at the steering mechanism is easily damaged during winding; on the other hand, since the transmission rate of the transmission device is basically unchanged, when the shape of the packaging box changes, causing the winding speed of the winding mechanism to change, the roller belt is likely to accumulate between the winding mechanism and the steering mechanism, resulting in the lowest point of the roller belt being lower than the winding head of the winding mechanism, so that the roller belt is in an "S" shape between the winding mechanism and the steering mechanism, which is likely to cause damage to the roller belt at the lowest point.

[0004] Therefore, the above two reasons will cause the roller tape to be damaged, causing the bearing roller to fall out of the roller tape, or even causing the bearing roller to fail to work, greatly reducing the packaging efficiency of the bearing roller. Summary of the invention

[0005] 1. Technical problem to be solved by the invention

[0006] The purpose of the present invention is to overcome the disadvantage that the roller tape is easily damaged during the bearing roller packaging process in the prior art, and to provide a bearing roller packaging system and packaging method, aiming to avoid damage to the roller tape during the winding process.

[0007] 2. Technical solution

[0008] In order to achieve the above object, the technical solution provided by the present invention is:

[0009] A bearing roller packaging system of the present invention comprises a packaging device, a transmission device and a boxing device, wherein the transmission device is used to transmit a roller tape formed by the packaging device to the boxing device, and the boxing device is used to coil the roller tape in a packaging box, and the boxing device comprises a hopper, and a first translation rail and a second translation rail for realizing movement of the hopper in a first direction and a second direction; a buffer portion is formed on the hopper;

[0010] The transmission device comprises an upper transmission rail and a lower transmission rail, wherein the upper transmission rail is arranged along the second direction, and the lower transmission rail is arranged parallel to the upper transmission rail and can slide in the second direction relative to the upper transmission rail;

[0011] A sliding rail is arranged on the head end of the lower transmission rail, the sliding rail is arranged along a first direction, and the hopper is slidably connected to the sliding rail; the lower transmission rail and the hopper can move synchronously in a second direction.

[0012] Furthermore, the lower-layer transfer rail is arranged directly below the upper-layer transfer rail, and a guide plate for guiding the roller belt to the lower-layer transfer rail is arranged at the head end of the upper-layer transfer rail.

[0013] Furthermore, the guide plate is led out from the upper track of the upper transport track, and a free end thereof extends into the lower track of the lower transport track.

[0014] Further, a limit head for limiting the position of the roller belt is provided at the head end of the lower track; and / or,

[0015] Two limiting posts are arranged at the head end of the lower track, and a limiting structure of the roller belt is formed between the two limiting posts.

[0016] Furthermore, a baffle is provided at the head end of the upper track, and the baffle is led out from the head end of the upper track and extends to above the lower track.

[0017] Furthermore, it also includes a mounting frame, and the upper transmission rail is fixedly mounted on the mounting frame; a movable rail is arranged on the mounting frame, and the lower transmission rail is slidably connected to the movable rail.

[0018] Furthermore, a driving member is provided on the lower rail of the lower transport rail, and the driving member is used to drive the lower rail to slide relative to the movable rail.

[0019] Furthermore, a winding head is provided on the cache portion, the winding head is slidably connected to the second translation rail, the second translation rail is slidably provided on the first translation rail; the cache portion is slidably connected to the sliding rail.

[0020] Further, the length of the buffer portion in the first direction satisfies the following condition: when the winding head reaches a maximum sliding distance in the first direction, two side edges of the buffer portion along the second direction are respectively located on two sides of the lower transport rail.

[0021] Furthermore, a guide portion is arranged between the winding head and the cache portion; the cache portion is arranged horizontally, and the guide portion and the cache portion are arranged inclined relative to each other.

[0022] The present invention provides a method for packing a roller strip using the above-mentioned packing device, characterized in that during the packing process, the lower transmission rail moves synchronously with the hopper, and a buffer area for the roller strip is formed on the hopper.

[0023] 3. Beneficial effects

[0024] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0025] (1) In the packaging system of the present invention, its box packing device includes a hopper, and a first translation rail and a second translation rail for realizing the movement of the hopper in a first direction and a second translation rail. The hopper is slidably connected to the sliding rail. A sliding rail is arranged on the head end of the lower transmission rail. The sliding rail is arranged along the first direction. The upper transmission rail of the transmission device is arranged along the second direction. The lower transmission rail is arranged parallel to the upper transmission rail and can slide relative to the upper transmission rail in the second direction. Therefore, the lower transmission rail can move synchronously with the hopper in the second direction, which can reduce the deformation degree of the roller web, thereby reducing the probability of the roller web being damaged at the head end of the lower transmission rail. At the same time, a buffer portion is formed on the hopper. When the moving speed of the hopper slows down, the roller web can be buffered on the buffer portion on the hopper so as not to droop under the hopper, thereby preventing the roller web from presenting an "S" shape and further preventing the roller web from being damaged.

[0026] (2) In the packaging system of the present invention, a guide plate for guiding the roller web to the lower transport rail is provided at the head end of the upper transport rail. The guide plate is led out from the upper rail of the upper transport rail, and its free end extends into the lower rail of the lower transport rail. Therefore, after the roller web is led out from the head end of the upper transport rail, it can be guided into the lower transport rail and continue to be transported along the lower transport rail, thereby preventing the roller web from piling up at the head end of the upper transport rail, thereby preventing the roller web from leaving the rail from the head end.

[0027] (3) In the packaging system of the present invention, the length of the buffer portion in the first direction satisfies the following condition: when the winding head reaches the maximum sliding distance in the first direction, the two side edges of the buffer portion along the second direction are respectively located on both sides of the lower transmission rail, so that the buffer portion is always present between the head end of the lower transmission rail and the winding head, so that during the movement of the winding head, the buffer portion can always serve the function of placing redundant roller webs, thereby preventing the roller webs from drooping under the hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the packaging box in the present invention;

[0029] Figure 2 It is a schematic diagram of the movement of the roller belt when the lower track is fixed;

[0030] Figure 3 It is a schematic diagram of the packaging system structure of the present invention;

[0031] Figure 4 It is a schematic diagram of the cooperation between the transmission device and the packaging device in the present invention;

[0032] Figure 5 It is a schematic diagram of the hopper in the present invention in an initial state;

[0033] Figure 6 It is a schematic diagram of the hopper in the intermediate state in the present invention. DETAILED DESCRIPTION

[0034] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.

[0035] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical content disclosed by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of implementation. The change or adjustment of their relative relationship should also be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0036] In order to facilitate the accurate understanding of the technical solution of this embodiment, the terms that may appear in this embodiment are explained below. In this embodiment, the roller belt refers to the roller packaging structure of the bearing rollers transported along the track being wrapped with a plastic film, the plastic film is sealed and formed into a strip. The packaging structure has been described in detail in the application with application number 2020203395901; the second direction refers to the conveying direction of the roller belt, for example Figures 3 to 6 The x direction shown in FIG. 1 ; the first direction refers to a direction perpendicular to the second direction in a horizontal plane, for example Figures 3 to 6 y direction shown in the figure; the head end of the upper transfer rail 220, the upper rail 221, the lower transfer rail 230, the lower rail 231 and the transfer device 200 refers to the end of the upper transfer rail 220, the upper rail 221, the lower transfer rail 230, the lower rail 231 and the transfer device 200 that is close to the packaging box 400; the tail end of the upper transfer rail 220, the upper rail 221, the lower transfer rail 230, the lower rail 231 and the transfer device 200 refers to the end of the upper transfer rail 220, the upper rail 221, the lower transfer rail 230, the lower rail 231 and the transfer device 200 that is away from the packaging box 400.

[0037] In the application with application number 2020203395901, the packaging box is preferably a regular quadrilateral. At this time, the steering mechanism is arranged directly above the packaging box, and the winding head of the winding mechanism is used to make variable diameter circular motion on the packaging box, that is, spiral motion. The distance change between the steering mechanism and the winding head is small, and the linear speed of the winding head can be roughly the same as the conveying speed of the roller belt on the steering mechanism. Therefore, the scheme of this application operates well under the above working conditions.

[0038] However, a regular quadrilateral packaging box does not have a transportation advantage. Under certain transportation conditions, a rectangular packaging box with a length-width difference can usually pack more rollers and is more suitable for cargo compartments of vans, trains, and cargo ships. At this time, if the roller tape is packaged in a fixed steering mechanism, the following problems will occur.

[0039] On the one hand, referring to Figure 1 The movement of the winding head 332 is no longer a uniform variable diameter circular motion around the middle column 410, and the roller belt 500 is not coiled around the middle column 410 like a concentric circle, but a movement similar to a track and field track, with a straight section L and a turning section R connecting the two L sections.

[0040] On the straight section L, the winding head 332 can move at a normal speed, that is, a speed roughly the same as that of the roller belt 500 in the packaging device 100 and the transmission device 200; but on the turning section R, the winding head 332 must slow down the linear speed to prevent the roller belt from crossing the turning section R and resting on the intermediate column 410 when the linear speed is too fast.

[0041] When the speed of the winding head 332 is significantly slowed down in the turning section R, the speed of the winding head 332 is much lower than the speed of the roller belt 500 in the packaging device 100 and the transmission device 200. The roller belt 500 will accumulate between the winding head 332 and the transmission device 200 and appear as Figure 2 The "S" shape shown in the figure. Since the bearing rollers themselves are heavy, the bearing rollers at the lowest point of the "S" shape will squeeze each other, and the roll belt at the lowest point will be easily damaged during pulling when continuing to convey.

[0042] In addition, since the roller belt 500 relies on the gravity of the bearing roller to achieve box packing, that is, the roller belt 500 has no power in the box packing device 300. At this time, if the bearing roller accumulates between the winding head 332 and the transmission device 200, the roller belt 500 will no longer continue to be wound in the packaging box 400, but will continue to accumulate between the winding head 332 and the transmission device 200, eventually causing the packaging system to be paralyzed.

[0043] On the other hand, affected by the movement of the winding head 332, the distance between the winding head 332 and the head end of the transmission device 200 is constantly changing, and the deformation of the roller belt 500 after leaving the head end of the transmission device 200 has a large change, making the roller belt 500 more susceptible to damage.

[0044] To solve the above problems, the present embodiment provides a bearing roller packaging system. Figure 3 The packaging system includes a packaging device 100, a transmission device 200 and a boxing device 300. The packaging device 100 uses a plastic film to wrap the bearing roller, and then forms a strip-shaped roller coil 500 by edge sealing; the specific structure of the packaging device 100 can refer to the application case with application number 2020203395901, and any device in the prior art that can realize bearing roller packaging can also be used, and it is implemented in accordance with the content disclosed in the prior art or the method recommended by the manufacturer, and the relevant content will not be repeated in this embodiment.

[0045] The transmission device 200 is used to transport the roller tape 500 formed by the packaging device 100 to the box packing device 300. The box packing device 300 includes a hopper 330, a first translation rail 310 and a second translation rail 320. The first translation rail 310 is arranged along a first direction, and the second translation rail 320 is arranged along a second direction. The first translation rail 310 and the second translation rail 320 form a two-dimensional moving module, and cooperate with each other to realize the movement of the hopper 330 relative to the packaging box 400, so as to coil the roller tape 500 in the packaging box 400.

[0046] Reference Figure 4 The transmission device 200 may include an upper transmission rail 220 and a lower transmission rail 230. The upper transmission rail 220 and the lower transmission rail 230 are arranged parallel to each other and distributed up and down. The tail end of the upper transmission rail 220 is connected to the packaging device 100, and the head end of the upper transmission rail 220 is arranged toward the lower transmission rail 230, so that after the roller coil 500 is transported out from the head end of the upper transmission rail 220, it can rely on its own gravity to enter the lower transmission rail 230 and continue to be transported.

[0047] The upper transport rail 220 is arranged along the second direction, and the lower transport rail 230 can slide in the second direction relative to the upper transport rail 220. Therefore, when the hopper 330 moves away from / towards the transport device 200 in the second direction, the lower transport rail 230 can slide away from / towards the upper transport rail 220 synchronously, so that the distance between the hopper 330 and the head end of the lower transport rail 230 in the second direction remains unchanged.

[0048] A sliding rail 250 may be provided on the head end of the lower transport rail 230, and the sliding rail 250 is fixedly connected to the head end of the lower transport rail 230 and is arranged along the first direction. At the same time, the sliding rail 250 may be slidably connected to the hopper 330. Therefore, on the one hand, the sliding rail 250 may play a limiting role, ensuring that the distance between the hopper 330 and the head end of the lower transport rail 230 in the second direction remains unchanged, and the hopper 330 only has a linear reciprocating motion relative to the head end of the lower transport rail 230 in the first direction, and the hopper 330 and the head end of the lower transport rail 230 remain relatively stationary in the second direction; on the other hand, the sliding rail 250 may also play a certain supporting role, improving the supporting capacity of the hopper 330 for the roller belt 500, so that more roller belts 500 can be cached on the hopper 330.

[0049] In addition, in order to provide a sufficiently large buffer space when the roller tape 500 is accumulated, in addition to the winding head 332, the hopper 330 may also be provided with a buffer portion 333, which is arranged toward the head end of the lower transport rail 230 and fills the position between the winding head 332 and the head end of the lower transport rail 230. Therefore, when the moving speed of the hopper 330 slows down, the roller tape 500 can be buffered on the buffer portion 333 and will not droop under the hopper 330.

[0050] As a further improvement to the structure of the hopper 330, the winding head 332 of the hopper 330 is slidably connected to the second translation rail 320, and the second translation rail 320 is slidably disposed on the first translation rail 310. When the winding head 332 slides on the second translation rail 320, the hopper 330 slides in the second direction, and when the second translation rail 320 slides on the first translation rail 310, the hopper 330 thereon slides in the first direction. The buffer portion 333 is slidably connected to the slide rail 250, and the stability of the hopper 330 is improved through the cooperation between the winding head 332 and the second translation rail 320, and the cooperation between the buffer portion 333 and the slide rail 250.

[0051] Of course, the winding head 332 of the hopper 330 may also be arranged on the first translation rail 310, and the first translation rail 310 slides on the second translation rail 320. However, if the winding head 332 is slidably arranged on the first translation rail 310, the first translation rail 310 and the sliding rail 250 are arranged parallel to each other, and the stability of the hopper 330 is lower than the stability of the hopper 330 when the winding head 332 is slidably connected to the second translation rail 320.

[0052] As a further improvement to the structure of the hopper 330, the length of the buffer portion 333 in the first direction can satisfy the following condition: when the winding head 332 reaches the maximum sliding distance in the first direction, the two sides of the buffer portion 333 along the second direction are respectively located on both sides of the lower transport rail 230. Therefore, during the operation of the box packing device 300, the buffer portion 333 always exists between the winding head 332 and the head end of the lower transport rail 230, and the accumulated roller web 500 can be buffered in the buffer portion 333.

[0053] Specifically, the head end of the lower transport rail 230 can be roughly arranged at the middle position of the packaging box 400 in the first direction, and at the middle position of the second translation rail 320; the winding head 332 is arranged at the middle position of the buffer portion 333 in the first direction. At the same time, the distance between the winding head 332 and the two sides of the buffer portion 333 in the second direction can be greater than half of the length of the packaging box 400 in the first direction, so that when the winding head 332 reaches the maximum sliding distance in the first direction, the space between the winding head 332 and the head end of the lower transport rail 230 is covered by the buffer portion 333.

[0054] In addition, a guide portion 331 can be further provided between the cache portion 333 and the winding head 332. The cache portion 333 is horizontally provided, and the guide portion 331 is inclined provided, so that after the roller web 500 is cached on the cache portion 333, it can still slide into the winding head 332 through the guidance of the guide portion 331 to continue to complete the packing operation.

[0055] the following,

[0056] As an embodiment of the transmission device 200 , the lower transmission rail 230 may be located directly below the upper transmission rail 220 ; meanwhile, a guide plate 223 may also be provided at the head end of the upper transmission rail 220 .

[0057] The guide plate 223 can be led out from the head end of the upper rail 221 of the upper transport rail 220 and extend into the lower rail 231 of the lower transport rail 230, that is, the free end of the guide plate 223 can extend into the lower rail 231. Therefore, after the roller belt 500 is led out from the head end of the upper transport rail 220, it can be guided by the guide plate 223 into the lower transport rail 220 and continue to be transported.

[0058] The upper track 221 and the lower track 231 may both be a conveyor belt structure, or a conveyor structure formed by arranging a plurality of transmission rollers, so as to provide power for the roller belt 500 .

[0059] The upper transfer rail 220 may also be provided with baffles 222 on both sides of its head end. The baffles 222 may be led out from the head end of the upper rail and extend to the lower rail so as to be located directly above the guide plate 223. When the roller belt 500 enters the lower rail 231 via the guide plate 223, the baffles 222 may prevent the roller belt 500 from falling out of the upper rail 221.

[0060] In this embodiment, since the winding head 332 moves relative to the head end of the lower rail 231 in the first direction, in order to prevent the roller tape 500 from being separated from a position other than the head end of the lower rail 231 during the movement of the winding head 332 relative to the lower rail 231, a limiting head 233 for limiting the position of the roller tape 500 may be provided at the head end of the lower rail 231, or two limiting posts 232 may be provided at the head end of the lower rail 231, and a limiting structure for the roller tape 500 is formed between the two limiting posts 232. In addition, the limiting posts 232 and the limiting head 233 may also be provided at the head end of the lower rail 231 at the same time.

[0061] As another embodiment of the transmission device 200, the transmission device 200 may include a mounting frame 210, an upper transmission rail 220, a lower transmission rail 230 and a movable rail 240. The upper transmission rail 220 and the movable rail 240 are fixedly connected to the mounting frame 210, and the upper transmission rail 220 is located above the movable rail 240; the lower transmission rail 230 is located between the upper transmission rail 220 and the movable rail 240 in the vertical direction, and is slidably connected to the movable rail 240, and then slides relative to the upper transmission rail 220 in the second direction.

[0062] In addition, a driving member may be provided on the lower rail 231 of the lower transport rail 230, and the driving member 231 is used to drive the lower rail 230 to slide relative to the moving rail 240. The driving member may be a servo motor, a stepping motor, or a hydraulic cylinder or a pneumatic cylinder.

[0063] Reference Figure 5 and Figure 6 In the process of packaging and boxing the rollers using the packaging system of this embodiment, the lower transport rail 230 moves synchronously with the hopper 330 , and a buffer area for the roller coil 500 is formed on the hopper 330 .

[0064] Specifically, refer to Figure 5 In the initial state, the winding head 332 is located at a corner of the packaging box 400, for example Figure 5 the upper right corner of the figure; when packing begins, the winding head 332 moves to a position close to the middle column 410, and the roller belt 500 is transmitted from the transmission device 200 to the winding head 332, and falls into the packaging box 400 by its own gravity; thereafter, the winding head 332 moves around the middle column 410, and the roller belt 500 also rotates around the middle column 410 driven by the winding head 332, and is wound in the packaging box 400 by its own gravity.

[0065] Reference Figure 6 In the process of packing, the lower transport rail 230 moves synchronously with the hopper 330, specifically, it remains relatively still with the hopper 330 in the second direction, and performs linear reciprocating motion with the hopper 330 in the first direction. At the same time, when the winding head 332 passes through the turning section R of the middle column 410, its speed slows down, and the roller belt 500 transmitted from the transmission device 200 can be temporarily stored in the buffer section 333 of the hopper 330, thereby preventing the roller belt 500 from drooping under the hopper 330.

[0066] The present invention and its embodiments are described schematically above, and the description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and designs a structural method and an embodiment similar to the technical solution without creativity without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.

Claims

1. A bearing roller packaging system, comprising a packaging device, a transmission device and a boxing device, wherein the transmission device is used to transmit the roller tape formed by the packaging device to the boxing device, and the boxing device is used to coil the roller tape in a packaging box, characterized in that: The box packing device comprises a hopper, and a first translation rail and a second translation rail for realizing movement of the hopper in a first direction and a second direction; a buffer portion is formed on the hopper; a winding head is arranged on the buffer portion, the winding head is slidably connected to the second translation rail, the second translation rail is slidably arranged on the first translation rail; the buffer portion is slidably connected to the sliding rail; The transmission device comprises an upper transmission rail and a lower transmission rail, wherein the upper transmission rail is arranged along the second direction, and the lower transmission rail is arranged parallel to the upper transmission rail and can slide in the second direction relative to the upper transmission rail; A sliding rail is provided on the head end of the lower transmission rail, the sliding rail is provided along a first direction, and the hopper is slidably connected to the sliding rail; the lower transmission rail and the hopper can move synchronously in a second direction; The lower-layer transfer rail is arranged directly below the upper-layer transfer rail, and a guide plate for guiding the roller belt to the lower-layer transfer rail is arranged at the head end of the upper-layer transfer rail.

2. A bearing roller packaging system according to claim 1, characterized in that: The guide plate is led out from the upper track of the upper transport track, and a free end of the guide plate extends into the lower track of the lower transport track.

3. A bearing roller packaging system according to claim 2, characterized in that: The head end of the lower track is provided with a limit head for limiting the position of the roller belt; and / or, Two limiting posts are arranged at the head end of the lower track, and a limiting structure of the roller belt is formed between the two limiting posts.

4. A bearing roller packaging system according to claim 2, characterized in that: The head end of the upper rail is provided with a baffle, which is led out from the head end of the upper rail and extends to the top of the lower rail.

5. A bearing roller packaging system according to claim 1, characterized in that: It also includes a mounting frame, and the upper transmission rail is fixedly mounted on the mounting frame; a movable rail is arranged on the mounting frame, and the lower transmission rail is slidably connected to the movable rail.

6. A bearing roller packaging system according to claim 5, characterized in that: A driving member is arranged on the lower rail of the lower transport rail, and the driving member is used to drive the lower rail to slide relative to the moving rail.

7. A bearing roller packaging system according to claim 1, characterized in that: The length of the buffer portion in the first direction satisfies the following condition: when the winding head reaches the maximum sliding distance in the first direction, the two side edges of the buffer portion along the second direction are respectively located on both sides of the lower transport rail.

8. A bearing roller packaging system according to claim 1, characterized in that: A guide portion is arranged between the winding head and the buffer portion; the buffer portion is arranged horizontally, and the guide portion and the buffer portion are arranged inclined relative to each other.

9. A method for packing a roll tape using the packaging system according to any one of claims 1 to 8, characterized in that: During the packing process, the lower transport rail moves synchronously with the hopper, and a buffer area for the roller belt is formed on the hopper.

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