Pipeline packaging double-end sewing and labeling equipment and packaging method

Abstract

The invention discloses pipeline packaging double-end sewing labeling equipment and a packaging method.The pipeline packaging double-end sewing labeling equipment comprises a frame, a bag pulling device, a bagging device, a first bag sealing device, a grabbing device, a second bag sealing device and a labeling device, the frame comprises a plurality of brackets, the brackets are arranged in the length direction of the frame, and the brackets support pipelines; the bagging device pulls out a packaging bag from the bag pulling device, the bagging device sleeves the packaging bag outside a pipeline in the length direction, the first bag sealing device seals the rear end of the packaging bag, the grabbing device grabs and lifts the packaging bag, the second bag sealing device seals the front end of the packaging bag, and the labeling device labels the rear end of the packaging bag. The two ends of a packaging bag are sewn and sealed through the first bag sealing device and the second bag sealing device, so that packaging of the pipeline is more attractive and firmer, and automatic labeling is achieved through the labeling device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe packaging, and more particularly to a pipe packaging double-end sewing and labeling device and a packaging method. BACKGROUND

[0002] In the prior art, when a plurality of pipes are packaged as a bundle, the outer packaging bag needs to be sleeved on the outside of the pipes. After the outer packaging bag is sleeved, the two ends of the outer packaging bag need to be closed. Due to the limitation of the sleeving direction, some existing packaging equipment can only sew the rear end of the outer packaging bag, and the other end can only be wrapped with adhesive tape, or even both ends are wrapped with adhesive tape. This results in that the product outer packaging is not beautiful and not firm. The original packaging machine cannot automatically label, and the staff needs to manually label or write product specifications, which increases the labor intensity of the staff and is prone to writing errors. Therefore, a technical solution is needed to solve the above problems. SUMMARY

[0003] The present application aims to overcome the shortcomings of the prior art and achieve double-end sewing of pipe packaging bags, and provides a pipe packaging double-end sewing and labeling device and a packaging method.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0005] The present application discloses a pipe packaging double-end sewing and labeling device, which comprises a frame, a bag pulling device, a bag sleeving device, a first bag closing device, a grabbing device, a second bag closing device, and a labeling device. The frame comprises a plurality of carriers arranged along the length direction of the frame. The carriers support the pipes. The bag sleeving device pulls out a packaging bag from the bag pulling device and sleeves the packaging bag on the outside of the pipes along the length direction. The first bag closing device closes the rear end of the packaging bag. The grabbing device grabs and lifts the packaging bag. The second bag closing device closes the front end of the packaging bag. The labeling device labels the rear end of the packaging bag.

[0006] Further, the carrier comprises a carrier plate, a first air cylinder, and a support. The first air cylinder is installed on the support and drives the carrier plate to lift up and down. The carrier plate comprises a bottom plate and two side plates. The side plates are located on both sides of the bottom plate in the width direction of the frame. The side plates are inclined upward, and the upper ends of the two side plates gradually move away from each other.

[0007] Further, the first bag sealing device comprises a first guide table, a first sewing machine, a lower clamping plate, a pressing strip, a support plate, the first guide table extends along the width direction of the frame, the first sewing machine is movable along the first guide table, the lower clamping plate and the pressing strip can clamp the rear end of the packaging bag, the upper end surface of the support plate is flush with the upper end surface of the lower clamping plate, the support plate supports part of the packaging bag, and the first sewing machine sews and seals the rear end opening of the packaging bag.

[0008] Further, the first bag sealing device comprises a first guide assembly, the first guide assembly is fixedly installed on the first sewing machine, the first guide assembly is located in the moving direction of the first sewing machine, and the first guide assembly comprises a first guide plate and a second guide plate.

[0009] Further, the frame comprises a plurality of lifting frames, the plurality of lifting frames are arranged along the length direction of the frame, the lifting frames are located between adjacent two of the carriers, and the lifting frames are capable of ascending and descending along the height direction of the frame.

[0010] Further, the grabbing device is installed on the frame, the grabbing device comprises a liftable grabbing assembly, the grabbing assembly comprises a grabbing hand, a second cylinder and a first connecting rod, and the second cylinder drives two first connecting rods to drive two grabbing hands to open and close.

[0011] Further, the second bag sealing device comprises a second guide table, a second sewing machine, a second guide assembly and a lower support plate, the second guide table extends along the width direction of the frame, the second sewing machine is movable along the second guide table, the second guide assembly is fixedly installed on the second sewing machine, the second guide assembly is the same in structure as the first guide assembly, and the lower support plate can extend towards the packaging bag.

[0012] Further, the bag supporting device comprises a moving device, a mounting plate, a third cylinder and a second connecting rod, the moving device drives the mounting plate to move along the length direction of the frame, the third cylinder is installed on the mounting plate, and the third cylinder drives two second connecting rods to drive two supporting strips to open and close.

[0013] Further, the second bag sealing device comprises an upper pressing plate, part of the upper pressing plate is located above the lower support plate, and the upper pressing plate can be close to or away from the lower support plate.

[0014] A packaging method based on the above-mentioned pipe packaging double-end sewing and labeling equipment, comprising the following steps:

[0015] S1, the pipe is sent into the frame from the front end of the frame, a plurality of pipes are placed on the cradle of the frame, the bag sleeve device pulls out the packaging bag from the bag pulling device and sleeves into the pipe from the rear end, when passing through the cradle, the supporting plate of the cradle is lowered to support the packaging bag after passing through the cradle, until the packaging bag is pulled through the front end of the pipe, and then the rear end of the packaging bag is cut off;

[0016] S2, the pressing strip of the first bag sealing device rotates to press the rear end of the packaging bag on the end face of the lower clamping plate, the first sewing machine moves along the first guide table, after the pinched packaging bag rear end passes through the first guide assembly, the first sewing machine sews and seals the rear end of the packaging bag, and the pressing strip is rotated to open;

[0017] S3, the lifting frame of the frame lifts the packaging bag with the rear end sealed and the pipe to the upper end of the frame, the gripper of the gripping assembly of the gripping device is opened, the gripping assembly is lowered and the gripper is closed to hold the packaging bag and the pipe, and the gripping assembly lifts the packaging bag and the pipe;

[0018] S4, the lower supporting plate of the second bag sealing device extends below the front end of the packaging bag, the lower supporting plate rises to support the front end of the packaging bag, the two supporting strips of the bag supporting device extend and approach, the two supporting strips extend into the front end opening of the packaging bag, the two supporting strips are away from each other to support the packaging bag, the opening of the packaging bag is pinched, the second sewing machine of the second bag sealing device moves along the second guide table, the front end of the packaging bag passes through the second guide assembly and is sealed by the second sewing machine, when part of the packaging bag enters the second guide assembly, the two supporting strips approach and retract, and the labeling device located at the rear end of the packaging bag is attached to the upper end of the packaging bag.

[0019] The beneficial effects of the present application are:

[0020] The present application first seals the rear end of the packaging bag by the first bag sealing device at the bottom of the frame, then lifts the packaging bag and the pipe, seals the front end of the packaging bag by the second bag sealing device at the upper end of the front end of the frame, and attaches the label to the rear end of the packaging bag during the lifting process. Both ends of the packaging bag are packaged and sealed by sewing, so that the packaging of the pipe is more beautiful and firm. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the present embodiment.

[0022] Figure 2 It is a schematic diagram of the cradle in the present embodiment.

[0023] Figure 3 It is a schematic diagram of the first bag sealing device in the present embodiment.

[0024] Figure 4 Figure 1 is a schematic view of a first guiding assembly in the embodiment.

[0025] Figure 5 Figure 2 is a schematic view of a grabbing device in the embodiment.

[0026] Figure 6 Figure 3 is a schematic view of a grabbing assembly in the embodiment.

[0027] Figure 7 Figure 4 is a partial schematic view of a front end of the embodiment.

[0028] Figure 8 Figure 5 is a schematic view of a bag supporting device in the embodiment.

[0029] Figures: 1, frame; 11, bracket; 111, supporting plate; 1111, bottom plate; 1112, side plate; 112, first air cylinder; 113, support; 12, lifting frame; 2, bag pulling device; 3, bag sleeving device; 4, first bag sealing device; 41, first guiding table; 42, first sewing machine; 43, lower clamping plate; 44, pressing strip; 45, supporting plate; 451, limiting plate; 46, first guiding assembly; 461, first guiding plate; 4611, first inclined plate; 462, second guiding plate; 4621, second inclined plate; 463, third guiding plate; 5, grabbing device; 51, grabbing assembly; 511, grabbing hand; 512, second air cylinder; 513, first connecting rod; 52, driving assembly; 521, lifting device; 522, transverse moving device; 6, bag supporting device; 61, supporting strip; 62, moving device; 63, mounting plate; 64, third air cylinder; 65, second connecting rod; 7, second bag sealing device; 71, second guiding table; 72, second sewing machine; 73, second guiding assembly; 74, lower supporting plate; 75, upper pressing plate; 8, label sticking device. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present application.

[0031] As Figures 1-8As shown, the embodiment discloses a pipeline packaging double-end sewing labeling equipment, which comprises a frame 1, a bag pulling device 2, a bag sleeving device 3, a first bag sealing device 4, a grabbing device 5, a bag supporting device 6, a second bag sealing device 7, and a labeling device 8. The frame 1 is a cubic frame. The front end of the frame 1 is provided with an inner inlet for feeding the pipeline into the frame 1. A blocking door capable of being opened and closed is arranged at the inlet to control the number of pipelines fed. The frame 1 comprises a plurality of carriers 11 installed at the lower end inside the frame 1. The plurality of carriers 11 are arranged along the length direction of the frame 1. The carrier 11 supports the pipeline. The carrier 11 comprises a supporting plate 111, a first air cylinder 112, and a support 113. The first air cylinder 112 is installed on the support 113 and drives the supporting plate 111 to ascend and descend. When the bag sleeving device 3 pulls the packaging bag from the bag pulling device 2 and sleeves it into the rear end of the pipeline, the supporting plate 111 of the carrier 11 in front of the packaging bag descends to form a gap between the supporting plate 111 and the pipeline, so that the packaging bag can pass through this carrier 11. After the packaging bag passes through, the rear supporting plate 111 rises to support the packaging bag. The packaging bag passes through all the carriers 11 in turn until the packaging bag is pulled over the front end of the pipeline. The length of the packaging bag is greater than the length of the pipeline.

[0032] As shown, Figure 1 , Figure 2 The supporting plate 111 comprises a bottom plate 1111 and two side plates 1112. The side plates 1112 are located on both sides of the bottom plate 1111 towards the width direction of the frame 1. The side plates 1112 are upwardly inclined. The upper ends of the two side plates 1112 gradually move away from each other, so that the pipelines on the supporting plate 111 can be relatively concentrated, facilitating bagging. The edges of the bottom plate 1111 and the side plates 1112 in the length direction of the frame 1 are downwardly bent, which can guide the pipeline when it is fed into contact with the supporting plate 111 and prevent the pipeline from being scratched when it contacts the supporting plate 111.

[0033] The bag pulling device 2 and the bag sleeving device 3 are installed at the rear end of the frame 1. The bag sleeving device 3 can move along the length direction of the frame 1. The bag pulling device 2 can expand the packaging bag into a cylinder. The bag sleeving device 3 can clamp the front opening of the packaging bag. The bag sleeving device 3 pulls the packaging bag from the bag pulling device 2. The bag sleeving device 3 sleeves the packaging bag along the length direction of the pipeline. The bag pulling device 2 is provided with a heating wire, which can cut off the rear end of the packaging bag.

[0034] As shown, Figure 3As shown, the first bag sealing device 4 seals the rear end of the packaging bag, the first bag sealing device 4 comprises a first guide table 41, a first sewing machine 42, a lower clamping plate 43, a pressing strip 44, a support plate 45, a first guide assembly 46, the first guide table 41 extends along the width direction of the frame 1, the first sewing machine 42 can move along the first guide table 41, the upper end surface of the first guide table 41 is provided with a sliding rail, the first sewing machine 42 can slide along the sliding rail of the first guide table 41 by being driven by a motor, and the rear end of the packaging bag can be sewn during sliding.

[0035] The lower clamping plate 43 is fixedly installed on the side of the first guide table 41 facing the bracket 11, the pressing strip 44 is rotatably installed on the lower clamping plate 43, the pressing strip 44 is rotated by a structure of a cylinder and a connecting rod, the lower clamping plate 43 and the pressing strip 44 can crimp the rear end of the packaging bag, the support plate 45 is fixedly installed on the side of the lower clamping plate 43 close to the bracket 11, the upper end surface of the support plate 45 is flush with the upper end surface of the lower clamping plate 43, the support plate 45 is provided with limiting plates 451 extending upward on both sides, which can prevent the packaging bag from deviating from the range of the support plate 45, and the support plate 45 supports the rear end of the packaging bag and the pipeline to prevent the rear end of the pipeline and the packaging bag from sagging.

[0036] The initial position of the first sewing machine 42 is located on the right side in the length direction of the frame 1, the first guide assembly 46 is fixedly installed on the first sewing machine 42, the first guide assembly 46 is located on the left side of the first sewing machine 42 in the length direction of the frame 1, and the first guide assembly 46 is located in the moving direction of the first sewing machine 42, the first guide assembly 46 comprises a first guide plate 461, a second guide plate 462 and a third guide plate 463, the second guide plate 462 is located above the first guide plate 461, the length of the first guide plate 461 is greater than that of the second guide plate 462, and the packaging bag crimped by the lower clamping plate 43 and the pressing strip 44 can pass between the first guide plate 461 and the second guide plate 462, the first guide plate 461 comprises a first inclined plate 4611, one end of the first inclined plate 4611 away from the first sewing machine 42 is inclined downward, the packaging bag can be guided to be supported by the first guide plate 461, the second guide plate 462 comprises a second inclined plate 4621, one end of the second inclined plate 4621 away from the first sewing machine 42 is inclined upward, and the packaging bag is guided to enter between the first guide plate 461 and the second guide plate 462, and the third guide plate 463 is arranged perpendicularly to the first guide plate 461, one end of the third guide plate 463 away from the first sewing machine 42 is inclined away from the first guide plate 461, the third guide plate 463 guides the rear end of the packaging bag into between the first guide plate 461 and the second guide plate 462, and prevents the rear end of the packaging bag from being stuck.

[0037] The frame 1 comprises a plurality of lifting frames 12 arranged along the length direction of the frame 1, the lifting frames 12 are located between two adjacent carriages 11, the lifting frames 12 can be lifted along the height direction of the frame 1, and the initial position of the lifting frames 12 is lower than the height of the supporting plate 111; when the rear end of the packaging bag is sewn and closed, the lifting frames 12 lift the packaging bag and the pipeline to the upper end of the frame 1; the grabbing device 5 is installed on the frame 1, and the grabbing device 5 comprises a grabbing assembly 51 and a driving assembly 52; the driving assembly 52 comprises a lifting device 521 and a transverse moving device 522; the lifting device 521 controls the up-and-down movement of the grabbing assembly 51; the grabbing assembly 51 comprises a grabbing hand 511, a second air cylinder 512, and a first connecting rod 513; the second air cylinder 512 drives two first connecting rods 513 to drive two grabbing hands 511 to open and close; the grabbing hand 511 is in a semi-ring shape; two grabbing hands 511 are opened and lowered, and two grabbing hands 511 are closed to grab the packaging bag and the pipeline; and the lifting device 521 lifts the grabbing assembly 51, so that the packaging bag reaches the height of the second bag sealing device 7.

[0038] As shown in Figure 6 , Figure 7 The second bag sealing device 7 and the bag supporting device 6 are installed at the upper end of the front end of the frame 1; the bag supporting device 6 comprises two supporting rods 61, a moving device 62, a mounting plate 63, a third air cylinder 64, and a second connecting rod 65; the moving device 62 drives the mounting plate 63 to move along the length direction of the frame 1, so that the supporting rods 61 can be retracted to avoid the second sewing machine 72 of the second bag sealing device 7; the third air cylinder 64 is installed on the mounting plate 63; the third air cylinder 64 drives two second connecting rods 65 to drive two supporting rods 61 to open and close; when the two supporting rods 61 are opened, the front end opening of the packaging bag can be flattened, so that the front end of the packaging bag can be deformed flat, and the sewing can be facilitated.

[0039] The second bag sealing device 7 comprises a second guide table 71, a second sewing machine 72, a second guide assembly 73, a lower supporting plate 74, and an upper pressing plate 75; the second guide table 71 extends along the width direction of the frame 1; the second sewing machine 72 can move along the second guide table 71; the second guide table 71 is also provided with a sliding rail, and the second sewing machine 72 moves along the sliding rail of the second guide table 71; the second sewing machine 72 moves to sew and close the front end of the packaging bag; the second guide assembly 73 is fixedly installed on the second sewing machine 72; the second guide assembly 73 has the same structure as the first guide assembly 46; when the front end of the packaging bag enters the second guide assembly 73, the two supporting rods 61 gradually converge and retract, so that the bag supporting device 6 does not interfere with the movement of the second sewing machine 72.

[0040] The lower support plate 74 is installed on the second guide table 71 by a cylinder, and can extend towards the packaging bag. The lower support plate 74 can be lifted by another cylinder drive. The upper end surface of the lower support plate 74 is a plane. The lower support plate 74 is first extended towards the packaging bag, so that it is below the packaging bag. Then the lower support plate 74 is lifted to support the packaging bag, preventing the front end of the packaging bag from sagging. The upper pressing plate 75 is partially above the lower support plate 74. The upper pressing plate 75 can move closer to or away from the lower support plate 74. The lowering of the upper pressing plate 75 can cooperate with the lower support plate 74 to clamp the front end of the packaging bag, so that the front end of the packaging bag remains flat, and the second sewing machine 72 can sew better.

[0041] The labeling device 8 is fixedly installed on the rear upper end of the frame 1. When the packaging bag is lifted by the lifting frame 12, the labeling device 8 labels the rear end of the packaging bag. The labeling device 8 is a machine that can be purchased on the market, and the specific structure is not described again. The packaging bag with double-end sewing is sent out of the frame 1 by the horizontal moving device 522 of the grabbing device 5. The packaging bag is sent out by loosening the gripper 511. The staff finally checks whether the label is firmly pasted and presses the label tightly.

[0042] The embodiment also discloses a packaging method based on the pipeline packaging double-end sewing and labeling device, which comprises the following steps:

[0043] S1, the pipeline is sent into the frame 1 from the front end of the frame 1. A plurality of pipelines are placed on the cradle 11 of the frame 1. The bagging device 3 pulls the packaging bag from the bag pulling device 2 and inserts it into the rear end of the pipeline. When passing through the cradle 11, the supporting plate 111 of the cradle 11 is lowered to support the packaging bag after the packaging bag passes through the cradle 11. Then the rear end of the packaging bag is cut off.

[0044] S2, the pressing strip 44 of the first bag sealing device 4 rotates to press the rear end of the packaging bag on the upper end surface of the lower clamping plate 43. The first sewing machine 42 moves along the first guide table 41. After the clamped rear end of the packaging bag passes through the first guide assembly 46, the first sewing machine 42 sews and seals the rear end of the packaging bag. Then the pressing strip 44 is rotated to open.

[0045] S3, the lifting frame 12 of the frame 1 lifts the packaging bag with the sealed rear end and the pipeline to the upper end of the frame 1. The gripper 511 of the grabbing assembly 51 of the grabbing device 5 is opened. The grabbing assembly 51 is lowered and the gripper 511 is closed to grab the packaging bag and the pipeline. The grabbing assembly 51 lifts the packaging bag and the pipeline.

[0046] S4, the lower support plate 74 of the second bag sealing device 7 extends below the front end of the packaging bag, the lower support plate 74 supports the front end of the packaging bag, the two support rods 61 of the bag supporting device 6 extend out and enter the front opening of the packaging bag, the two support rods 61 are away from each other to open the packaging bag, the opening of the packaging bag is flattened, the second sewing machine 72 of the second bag sealing device 7 moves along the second guide table 71, the front end of the packaging bag is sealed by the second sewing machine 72 through the second guide assembly 73, when part of the packaging bag enters the second guide assembly 73, the two support rods 61 are close to each other and are retracted, and the labeling device 8 located at the rear end of the packaging bag labels the upper part of the packaging bag.

[0047] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solutions falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A tube packaging double-end sewing labeling apparatus characterized by comprising: The device comprises a frame (1), a bag pulling device (2), a bag sleeving device (3), a first bag sealing device (4), a bag grabbing device (5), a second bag sealing device (7), and a label sticking device (8). The frame (1) comprises a plurality of carriers (11) arranged along the length direction of the frame (1), and the carriers (11) support pipes. The bag sleeving device (3) pulls a packaging bag from the bag pulling device (2) and sleeves the packaging bag along the length direction outside the pipes. The first bag sealing device (4) seals the rear end of the packaging bag. The bag grabbing device (5) grabs and lifts the packaging bag. The second bag sealing device (7) seals the front end of the packaging bag. The label sticking device (8) sticks a label at the rear end of the packaging bag.

2. A double-end sewing and labeling apparatus for pipe wrapping according to claim 1, characterized in that, The carrier (11) comprises a carrier plate (111), a first air cylinder (112), and a support (113). The first air cylinder (112) is installed on the first air cylinder (112) and drives the carrier plate (111) to ascend and descend. The carrier plate (111) comprises a bottom plate (1111) and two side plates (1112) located on both sides of the bottom plate (1111) in the width direction of the frame (1). The side plates (1112) are upwardly inclined. The upper ends of the two side plates (1112) gradually move away from each other.

3. A double-end sewing and labeling apparatus for pipe wrapping according to claim 1, wherein The first bag sealing device (4) comprises a first guide table (41), a first sewing machine (42), a lower clamping plate (43), a pressing strip (44), and a support plate (45). The first guide table (41) extends along the width direction of the frame (1). The first sewing machine (42) is movable along the first guide table (41). The lower clamping plate (43) and the pressing strip (44) can clamp the rear end of the packaging bag. The upper end surface of the support plate (45) is flush with the upper end surface of the lower clamping plate (43). The support plate (45) supports part of the packaging bag. The first sewing machine (42) sews and seals the rear end opening of the packaging bag.

4. A double-end sewing and labeling apparatus for pipe wrapping according to claim 3, characterized in that, The first bag sealing device (4) comprises a first guide assembly (46) fixedly installed on the first sewing machine (42). The first guide assembly (46) is located in the moving direction of the first sewing machine (42). The first guide assembly (46) comprises a first guide plate (461) and a second guide plate (462). The second guide plate (462) is located above the first guide plate (461). The length of the first guide plate (461) is greater than the length of the second guide plate (462).

5. The double-end sewing and labeling apparatus for pipe wrapping according to claim 1, wherein, The frame (1) comprises a plurality of lifting frames (12) arranged along the length direction of the frame (1). The lifting frames (12) are located between adjacent carriers (11) and can ascend and descend along the height direction of the frame (1).

6. A double-end sewing and labeling apparatus for pipe wrapping according to claim 1, wherein, The grabbing device (5) is installed on the frame (1), the grabbing device (5) includes a liftable grabbing assembly (51), the grabbing assembly (51) includes a gripper (511), a second cylinder (512), and a first connecting rod (513), the second cylinder (512) drives two first connecting rods (513) to drive two grippers (511) to open and close.

7. A double-end sewing and labeling apparatus for pipe wrapping according to claim 4, wherein The second bag sealing device (7) includes a second guide table (71), a second sewing machine (72), a second guide assembly (73), and a lower supporting plate (74), the second guide table (71) extends along the width direction of the frame (1), the second sewing machine (72) is movable along the second guide table (71), the second guide assembly (73) is fixedly installed on the second sewing machine (72), the second guide assembly (73) is the same in structure as the first guide assembly (46), the lower supporting plate (74) can be extended towards the packaging bag, the lower supporting plate (74) is liftable, and the bag supporting device (6) includes two supporting rods (61), and the two supporting rods (61) can flatten the front end opening of the packaging bag.

8. A double-end sewing and labeling apparatus for pipe wrapping according to claim 7, characterized in that, The bag supporting device (6) includes a moving device (62), a mounting plate (63), a third cylinder (64), and a second connecting rod (65), the moving device (62) drives the mounting plate (63) to move along the length direction of the frame (1), the third cylinder (64) is installed on the mounting plate (63), and the third cylinder (64) drives two second connecting rods (65) to drive two supporting rods (61) to open and close.

9. A double-end sewing and labeling apparatus for pipe wrapping according to claim 7, wherein The second bag sealing device (7) includes an upper pressing plate (75), the upper pressing plate (75) is located above the lower supporting plate (74) in part, and the upper pressing plate (75) can be close to or away from the lower supporting plate (74).

10. A packaging method for a tube packaging double-end sewing labelling apparatus according to any one of claims 1 to 9, characterized in that, The method comprises the following steps: S1, a pipeline is sent into the frame (1) from the front end of the frame (1), a plurality of pipelines are placed on the bracket (11) of the frame (1), the bag supporting device (3) pulls out a packaging bag from the bag pulling device (2) and then inserts the packaging bag into the rear end of the pipeline, when passing through the bracket (11), the supporting plate (111) of the bracket (11) is lowered to support the packaging bag after the packaging bag passes through the bracket (11), and then the rear end of the packaging bag is cut off; S2, the pressing rod (44) of the first bag sealing device (4) rotates to press the rear end of the packaging bag on the upper end face of the lower clamping plate (43), the first sewing machine (42) moves along the first guide table (41), the rear end of the clamped packaging bag passes through the first guide assembly (46), the first sewing machine (42) sews and seals the rear end of the packaging bag, and the pressing rod (44) is rotated to be opened. S3, the lifting frame (12) of the frame (1) lifts the rear end of the bag and pipe to the upper end of the frame (1), the gripper (511) of the gripping assembly (51) of the gripping device (5) is opened, the gripping assembly (51) is lowered and the gripper (511) is closed to hold the bag and pipe, and the gripping assembly (51) lifts the bag and pipe; S4, the lower support plate (74) of the second bag sealing device (7) extends below the front end of the bag, the lower support plate (74) rises to support the front end of the bag, the two support rods (61) of the bag supporting device (6) extend out and enter the front opening of the bag, the two support rods (61) are away from each other to open the bag, the opening of the bag is flattened, the second sewing machine (72) of the second bag sealing device (7) moves along the second guide table (71), the front end of the bag passes through the second guide assembly (73) and is sealed by the second sewing machine (72), when part of the bag enters the second guide assembly (73), the two support rods (61) are closed and withdrawn, and the labeling device (8) at the rear end of the bag is attached to the upper end of the bag.

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