CN212829577U

CN212829577U - Double-layer PET stripping equipment

Info

Publication number: CN212829577U
Application number: CN202021562952.XU
Authority: CN
Inventors: 戴春华
Original assignee: Xinyang Yensonic Magnetoelectricity Technology Co ltd
Current assignee: Xinyang Yensonic Magnetoelectricity Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-30
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a material equipment is shelled to double-deck PET, which comprises a frame, be provided with the feeding mechanism of the double-deck PET film of supply in the frame, with the separating mechanism of double-deck PET film spaced and the winding mechanism who is used for rolling spaced individual layer PET film, feeding mechanism and separating mechanism set up the both sides at winding mechanism respectively in the frame, the backup pad is installed through the back shaft in one side of frame, separating mechanism sets up in the frame, separating mechanism includes the separator, the layer board, the separator is located the one end of frame, and be close to the top of frame, the layer board is installed at the separator top, the separator passes through the installation piece and installs on the separator, the separator sets up on the separator slopes, the separator keeps away from the bottom of winding mechanism's one end slope towards the frame. The utility model has the advantages of convenient material stripping to the double-layer PET film.

Description

Double-layer PET stripping equipment

Technical Field

The utility model belongs to the technical field of the technique of shell the material device and specifically relates to a material equipment is shelled to double-deck PET.

Background

The PET film is a protection film for protecting the surface of an article and preventing the surface of the article from being scratched and rubbed, and the double-layer PET film can protect the two surfaces of more important labels, anti-counterfeiting codes and precise components and parts, so that the protection effect on the article is better.

Although the protection effect of double-deck PET film to article is better, when people use this article, compare in individual layer PET film, people need all tear the PET film of article both sides and just can normally use article.

The existing double-layer PET film for protecting product labels is coated by the double-layer PET film, when people need to label after product processing, people still need to manually peel off the double-layer PET film adhered together, then the labels are pasted on the produced products, people peel off the double-layer PET film, because the double-layer PET film is thin, people are difficult to peel off when peeling off the double-layer PET film, and more time of people can be spent, and finally the normal output of the products can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a material equipment is shelled to double-deck PET, it has the convenient advantage of shelling double-deck PET film.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a material equipment is shelled to double-deck PET, which comprises a frame, be provided with the feeding mechanism of the double-deck PET film of supply in the frame, with the separating mechanism of double-deck PET film spaced and the winding mechanism who is used for the spaced individual layer PET film of rolling, feeding mechanism and separating mechanism set up the both sides at winding mechanism respectively in the frame, the backup pad is installed through the back shaft in one side of frame, separating mechanism sets up in the frame, separating mechanism includes the separator, the layer board, the separator is located the one end of frame, and be close to the top of frame, the layer board is installed at the separator top, the separator passes through the installation piece and installs on the separator, the slope setting on the separator, the one end slope that winding mechanism was kept away from to the separator is towards.

As a further aspect of the present invention: winding mechanism includes upper winding mechanism and lower floor's winding mechanism, and upper winding mechanism includes upper winding motor, upper winding cylinder and rolling worker frame, and the rolling worker frame is installed in the frame, upper winding motor installs on the rolling worker frame, and upper winding motor's output shaft orientation one side of frame is kept away from to the backup pad, and upper winding cylinder installs on winding motor's output shaft.

As a further aspect of the present invention: the lower layer winding mechanism comprises a lower layer winding driving mechanism and a lower layer winding drum, the lower layer winding driving mechanism comprises a driving motor, a driving gear, a driven gear, a driving belt wheel, a driven belt wheel and a transmission belt, the driving motor is arranged on a supporting plate, a driving cavity is formed between the supporting plate and the side surface of the rack, an output shaft of the driving motor penetrates through the supporting plate and extends into the driving cavity to be fixedly connected with the driving gear, the driven gear is arranged in the driving cavity through a driven shaft, the driven shaft penetrates through a shaft hole of the driven gear and is fixedly connected with the hole wall of the shaft hole of the driven gear, the two ends of the driven shaft are respectively rotatably connected with the side surface of the rack and the supporting plate, the driving gear and the driven gear are mutually meshed, one end of the driven shaft, which is far away from the rack, the lower layer winding drum is connected to one side, far away from the rack, of the supporting plate in a rotating mode through the lower layer roller shaft, the follow-up belt wheel is installed on the lower layer roller shaft and located between the lower layer winding drum and the supporting plate, the follow-up belt wheel corresponds to the driving belt wheel, and the driving belt wheel and the follow-up belt wheel are sleeved with the driving belt wheel.

As a further aspect of the present invention: the feeding mechanism comprises a bearing roller, a bearing shaft and a charging barrel, the bearing roller and the bearing shaft are rotatably connected to one side of the rack far away from the supporting plate, the charging barrel is sleeved on the bearing shaft and the bearing barrel, and the outer barrel wall of the bearing roller and the outer wall of the bearing shaft are abutted against the inner barrel wall of the charging barrel.

As a further aspect of the present invention: one side that the frame was kept away from to the backup pad is provided with the bearing subassembly, and the bearing subassembly includes major ingredient bearing rod and divides material bearing rod, and major ingredient bearing rod is provided with many, and many major ingredient bearing rod all rotate to connect in the backup pad one side of keeping away from the frame to be close to the top of frame, divide material bearing rod including being located bearing axle one in the separator bracket is in with the setting bearing axle two of lower floor's roller top, bearing axle one and bearing axle two all rotate to be connected in the backup pad.

As a further aspect of the present invention: the support plate is provided with a relay assembly convenient for conveying a single-layer PET film, the relay assembly comprises a relay conveying roller, a relay supporting frame, a press roller group and a balance weight rod, the relay supporting frame is horizontally arranged on one side of the support plate far away from the rack and corresponds to the driving belt wheel, the relay conveying roller is fixedly connected with one side of the driving belt wheel far away from the support plate, one end of the relay conveying roller far away from the driving belt wheel is rotatably connected with one side frame beam of the relay supporting frame far away from the support plate, a roller group translation hole is formed in one side frame beam of the relay supporting frame far away from the support plate and is close to the relay conveying roller, the press roller group is arranged in the relay supporting frame and corresponds to the relay conveying roller, the press roller group comprises two press rollers, a T-shaped fixing plate and a fixing rod which are arranged in parallel, and is positioned between the fixed rod and the relay transmission roller, two compression rollers are vertically distributed on the T-shaped fixed sheet, one end of the fixed rod is close to the supporting plate, the other end of the fixed rod extends into the translation hole of the roller group, one side that the dead lever kept away from the relay transfer roller is fixed with the push shaft, the one end that the dead lever was kept away from to the push shaft runs through the side frame roof beam fixedly connected with installation axle of relay support frame, install epaxial being provided with the upset piece, the upset piece is the rectangular block, the upset hole has been seted up on the upset piece, the installation axle passes the upset hole, the upset piece is epaxial contradict with the relay support frame installing, the side that the upset piece is close to the relay support frame is less than the distance between upset hole centre of a circle and the upset piece top face with the distance in upset hole centre of a circle, the cover is equipped with the return spring on the push shaft, the return spring is located between the frame roof beam of dead lever and relay support frame, the both ends of return spring.

As a further aspect of the present invention: one end of the supporting plate close to the rack is provided with an inverted U-shaped limiting frame, limiting rollers are arranged in the limiting frame, two ends of each limiting roller are respectively and rotatably connected with wing plates on two sides of the inverted U-shaped limiting frame, and the limiting rollers are close to the supporting plate.

As a further aspect of the present invention: the upper layer winding motor and the driving motor are both selected as stepping motors.

To sum up, the utility model discloses a beneficial technological effect does:

1. by using the utility model, people can peel off the double-layer PET film more easily, more manpower is saved, and production cost is saved;

2. the double-layer PET film peeling machine comprises a material barrel, an upper layer winding roller, a lower layer winding roller, a material barrel, a material conveying roller and a material conveying roller, wherein the material barrel is used for placing a double-layer PET film to be peeled, the un-peeled double-layer PET film is peeled by one section of the material conveying roller manually, then the two peeled single-layer PET films are fixed on the;

3. the upper-layer winding motor and the driving motor respectively provide power for the rotation of the upper-layer winding roller and the lower-layer winding roller, the double-layer PET film can be continuously stripped, compared with the manual stripping of the double-layer PET film by people, the speed is higher, and the stripping efficiency of the double-layer PET film is improved;

4. relay cylinder, major ingredient bearing rod and branch material bearing rod not only can play the effect of guide and bearing to the PET film, can also maintain the tensioning state of PET film, can make double-deck PET film can be more compact after shelling out on corresponding upper winding cylinder and lower floor's winding cylinder.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention with the support plate removed;

fig. 3 is a schematic cross-sectional structure view of the relay transfer roller of the present invention;

fig. 4 is a schematic sectional view of the driven gear of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a frame; 2. a feeding mechanism; 3. a separating mechanism; 31. a separation frame; 32. a support plate; 33. a separation plate; 42. a lower layer winding mechanism; 41. winding a tool frame; 5. a lower layer winding driving mechanism; 422. a lower layer winding drum; 11. a support plate; 51. a drive motor; 52. a drive gear; 53. a driven gear; 54. a drive pulley; 55. a follow-up pulley; 56. a transmission belt; 10. a drive chamber; 21. a carrying roller; 22. a bearing shaft; 23. a charging barrel; 6. a holding assembly; 61. a main material supporting rod; 62. a material separating support rod; 621. a first supporting shaft; 622. a second supporting shaft; 7. a relay component; 71. a relay transfer roller; 72. a relay support frame; 73. a compression roller set; 74. a weight lever; 721. the roller set translation holes; 731. a compression roller; 732. a T-shaped fixing piece; 733. fixing the rod; 81. pushing the shaft; 82. installing a shaft; 83. turning over the block; 84. a return spring; 9. a limit frame; 91. the roll is restrained.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the double-layer PET stripping device comprises a rack 1, wherein a feeding mechanism 2 for supplying double-layer PET films, a separating mechanism 3 for separating the double-layer PET films and a winding mechanism for winding the separated single-layer PET films are arranged on the rack 1.

The feeding mechanism 2 and the separating mechanism 3 are respectively arranged at two sides of the winding mechanism. One side of frame 1 is installed backup pad 11 through the back shaft, and the back shaft is installed in four edges of frame 1 one side department, and backup pad 11 is fixed in the one end that the frame 1 was kept away from to the back shaft. The separating mechanism 3 is provided on the frame 1 through the support plate 11, and the separating mechanism 3 includes a separating frame 31, a pallet 32, and a separating plate 33. The separation frame 31 is installed at a side of the support plate 11 away from the housing 1 and is located at one end of the housing 1, and at the same time, the separation frame 31 is close to the top surface of the housing 1. The supporting plate 32 is arranged at the top of the separating frame 31, the separating plate 33 is arranged on the separating frame 31 through a mounting block, the separating plate 33 is arranged on the separating frame 31 in an inclined mode, and one end, away from the winding mechanism, of the separating plate 33 is inclined towards the bottom of the rack 1. One end of the supporting plate 32 close to the frame 1 is provided with an inverted U-shaped limiting frame 9, a limiting roller 91 is arranged in the limiting frame 9, two ends of the limiting roller 91 are respectively connected with wing plates at two sides of the inverted U-shaped limiting frame 9 in a rotating way, and the limiting roller 91 is close to the supporting plate 32.

Referring to fig. 2, 3 and 4, the winding mechanism includes an upper winding mechanism and a lower winding mechanism 42, and the upper winding mechanism includes an upper winding motor, an upper winding drum and a winding frame 41. Install at 1 top in the frame, upper winding motor installs on rolling worker frame 41, and upper winding motor chooses for use to be step motor, and upper winding motor's output shaft is towards the one side that backup pad 11 was kept away from to separator 31, and upper winding cylinder installs on winding motor's output shaft.

The lower layer winding mechanism 424 includes a lower layer winding driving mechanism 5 and a lower layer winding drum 422. The lower layer winding driving mechanism 5 includes a driving motor 51, a driving gear 52, a driven gear 53, a driving pulley 54, a follower pulley 55, and a transmission belt 56. A driving chamber 10 is formed between the support plate 11 and the side of the housing 1 adjacent to the support plate 11. The driving motor 51 is selected as a stepping motor, the driving motor 51 is mounted on the supporting plate 11, and an output shaft of the driving motor 51 faces the rack 1 and penetrates through the supporting plate 11 to extend into the driving chamber 10. A drive gear 52 is located in the drive chamber 10. The drive gear 52 is mounted on an output shaft of the drive motor 51. The driven gear 53 is installed in the driving cavity 10 through a driven shaft, the driven shaft penetrates through a shaft hole of the driven gear 53 and is fixedly connected with the hole wall of the shaft hole, and two ends of the driven shaft are respectively connected with two side faces, close to each other, of the rack 1 and the supporting plate 11 in a rotating mode. The driving gear 52 is meshed with the driven gear 53, one end of the driven shaft far away from the rack 1 penetrates through the supporting plate 11 to be fixedly connected with a connecting shaft, and the driving belt wheel 54 is fixed on the connecting shaft. The lower winding drum 422 is rotatably connected to one side, far away from the rack 1, of the support plate 11 through a lower roller shaft, the follow-up belt wheel 55 is installed on the lower roller shaft and is positioned between the follow-up wheel and the support plate 11, and the follow-up belt wheel 55 corresponds to the driving belt wheel 54. The driving belt 56 is fitted over the driving pulley 54 and the follower pulley 55. The driving motor 51 can drive the driving gear 52 to rotate during operation, the driving gear 52 drives the driven gear 53 to rotate, the driven gear 53 drives the driving belt wheel 54 to rotate through the connecting shaft, the driving belt wheel 54 drives the follow-up belt wheel 55 to rotate through the driving belt 56, the lower layer winding drum 422 is driven to rotate, and the lower layer winding drum 422 rotates to wind the separated single-layer PET film.

The feeding mechanism 2 includes a receiving roller 21, a receiving shaft 22, and a cartridge 23. The receiving roller 21 and the receiving shaft 22 are rotatably connected to the side of the supporting plate 11 away from the frame 1. The charging barrel 23 is sleeved on the bearing shaft 22 and the bearing barrel. The outer wall of the receiving roller 21 and the outer wall of the receiving shaft 22 are abutted against the inner wall of the charging barrel 23, and the double-layer PET film is wound on the charging barrel 23.

Referring to fig. 1 and 2, a supporting component 6 is arranged on one side of the supporting plate 11 away from the machine frame 1, and the supporting component 6 comprises a main material supporting rod 61 and a material distributing supporting rod 62. The main material supporting rods 61 are provided with a plurality of main material supporting rods 61, and the main material supporting rods 61 are connected to one side, far away from the rack 1, of the supporting plate 11 in a rotating mode and are close to the top of the rack 1. The material separating support rod 62 comprises a first support shaft 621 arranged in the separating frame 31 and a second support shaft 622 arranged above the lower layer roll shaft, and the first support shaft 621 and the second support shaft 622 are both rotatably connected to the support plate 11.

Referring to fig. 3 and 5, a relay unit 7 for facilitating the conveyance of the single-layer PET film is disposed between the support plate 11 and the driven gear 53, and the relay unit 7 includes a relay conveyance roller 71, a relay support frame 72, a pressure roller set 73, and a weight lever 74. The relay support frame 72 is a n-shaped frame, the relay support frame 72 is horizontally installed on one side of the support plate 11 away from the rack 1 and corresponds to the driving pulley 54, and the wing plates on both sides of the relay support frame 72 are fixedly connected with one side of the support plate 11 away from the rack 1. The relay conveying roller 71 is fixedly connected to the side of the driving pulley 54 away from the support plate 11, and one end of the relay conveying roller 71 away from the driving pulley 54 is rotatably connected to one side frame beam of the relay support frame 72 away from the support plate 11. A roller group translation hole 721 is formed in one side frame beam of the relay support frame 72 away from the support plate 11, and the roller group translation hole 721 is close to the relay transfer roller 71. A pressure roller group 73 is provided in the relay support frame 72 and corresponds to the relay conveying roller 71, the pressure roller group 73 including two pressure rollers 731, a T-shaped fixing piece 732, and a fixing lever 733, which are provided in parallel. The T-shaped fixing pieces 732 are fixed at two ends of the fixing rod 733, the two pressing rollers 731 are rotatably connected between the two T-shaped fixing pieces 732, the two pressing rollers 731 are vertically arranged on the T-shaped fixing pieces 732, and the length directions of the two pressing rollers 731 are parallel to the length direction of the relay conveying roller 71. The two pressing rollers 731 are located between the fixing bar 733 and the relay conveying roller 71 in the relay supporting frame 72. One end of the fixing rod 733 is close to the supporting plate 11, and the other end drives the T-shaped fixing piece 732 at the corresponding end to extend into the roller set translation hole 721.

The fixed bar 733 has two push shafts 81 fixed to a side thereof away from the relay transfer roller 71, and the two push shafts 81 are respectively close to frame beams on a side of the support plate 11 and a side of the relay support frame 72 away from the support plate 11. One end of the push shaft 81 remote from the fixing lever 733 penetrates the side frame beam of the relay support frame 72 and is fixedly connected with the mounting shaft 82. The mounting shaft 82 is provided with an overturning block 83, the overturning block 83 is a rectangular block, an overturning hole is formed in the overturning block 83, and the mounting shaft 82 penetrates through the overturning hole, so that the overturning block 83 can rotate on the mounting shaft 82. The turning block 83 is abutted against the relay supporting frame 72 on the mounting shaft 82, the distance between one side face of the turning block 83 close to the relay supporting frame 72 and the center of the turning hole is smaller than the distance between the center of the turning hole and the top face of the turning block 83, and the top edge of the turning block 83 close to one side of the relay supporting frame 72 is arranged in a round angle mode. The push shaft 81 is sleeved with a return spring 84, the return spring 84 is located between the fixing rod 733 and the frame beam of the relay support frame 72, and two ends of the return spring 84 respectively abut against two side faces of the fixing rod 733 and the relay support frame 72, which are close to each other.

The implementation principle of the embodiment is as follows: when people use the utility model, firstly, the double-layer PET film to be peeled off is coiled and sleeved on the material cylinder 23, then one end of the double-layer PET film is led out and is lapped on the main material bearing rod 61 on the supporting plate 11, then drawn to the pallet 32 on the separation frame 31, and passed through the gap between the separation plate 33 and the pallet 32, after the end of the double-layered PET film led out passes through the gap between the separation plate 33 and the support plate 32, peeling off the double-layer PET film to divide the double-layer PET film into two single-layer PET films, setting the single-layer PET film far away from the supporting plate 32 as an upper-layer PET film, setting the single-layer PET film close to the supporting plate 32 as a lower-layer PET film, then, the upper layer PET film bypasses one end of the separation plate 33, which is far away from the rack 1, and is guided to the upper layer winding roller in the direction far away from the rack 1, so that the upper layer PET film is fixed on the upper layer winding roller;

then, the lower layer of PET film is led to the lower part of the separation frame 31 and sequentially bypasses the lower surface of the first support shaft 621 and the upper surface of the second support shaft 622, and then passes through the gap between the relay conveying roller 71 and the pressing roller 731 and is fixed on the lower layer winding drum 422 below the relay conveying roller 71;

the double-layer PET film can be supported and tensioned by the main material bearing shaft when passing through the main material bearing shaft, so that the double-layer PET film cannot droop during conveying, and the lower-layer PET film can also be kept in a tensioned state under the action of the first bearing shaft 621 and the second bearing shaft 622 in the same way;

after the double layer PET film and its ends divided into two single layer PET films are all positioned, the driving motor 51 and the upper layer winding motor are started, the upper layer winding motor and the driving motor 51 synchronously rotate under the action of the external controller, thereby leading the upper layer PET film and the lower layer PET film to be rolled simultaneously, leading the upper layer rolling motor to drive the upper layer rolling roller to rotate, so that the upper layer PET film is wound on the upper layer winding roller, when the driving motor 51 rotates, can drive the driving gear 52 to rotate, the driving gear 52 drives the driven gear 53 to rotate, the driven gear 53 drives the driving belt wheel 54 to rotate through the connecting shaft, the driving belt wheel 54 drives the driven belt wheel 55 to rotate through the transmission belt 56, the lower layer winding drum 422 is driven to rotate, so that the lower layer PET film is wound on the lower layer winding drum 422, and the double-layer PET film is peeled and wound;

when lower floor's PET film was taken up to lower floor's reel 422 and is carried out the rolling, compression roller 731 can paste lower floor's PET film under the effect of counter weight 74, makes lower floor's PET film paste relay transfer roller 71 tightly, and relay transfer roller 71 can play the effect of supplementary transport to lower floor's PET film under the drive of follower gear, ensures that lower floor's reel 422 can be rolled up lower floor's PET film.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a material equipment is shelled to double-deck PET, includes frame (1), its characterized in that: a feeding mechanism (2) for supplying double-layer PET films, a separating mechanism (3) for separating the double-layer PET films and a winding mechanism for winding the separated single-layer PET films are arranged on a rack (1), the feeding mechanism (2) and the separating mechanism (3) are respectively arranged on two sides of the winding mechanism on the rack (1), a supporting plate (11) is arranged on one side of the rack (1) through a supporting shaft, the separating mechanism (3) is arranged on the rack (1), the separating mechanism (3) comprises a separating frame (31), a supporting plate (32) and a separating plate (33), the separating frame (31) is positioned at one end of the rack (1), and be close to the top of frame (1), layer board (32) are installed at separation frame (31) top, and separation board (33) are installed on separation frame (31) through the installation piece, and separation board (33) slope setting on separation frame (31), and the one end slope of separation board (33) keeping away from the winding mechanism is towards the bottom of frame (1).

2. The double-layer PET stripping apparatus according to claim 1, wherein: winding mechanism includes upper winding mechanism and lower floor winding mechanism (42), and upper winding mechanism includes upper winding motor, upper winding cylinder and rolling worker frame (41), and rolling worker frame (41) are installed in frame (1) is last, and upper winding motor installs on rolling worker frame (41), and upper winding motor's output shaft orientation one side of frame (1) is kept away from in backup pad (11), and upper winding cylinder installs on winding motor's output shaft.

3. The double-layer PET stripping apparatus according to claim 2, wherein: lower floor rolling mechanism (42) is including lower floor rolling actuating mechanism (5) and lower floor take-up drum (422), lower floor rolling actuating mechanism (5) is including driving motor (51), drive gear (52), driven gear (53), driving pulley (54), follow-up pulley (55) and drive belt (56), driving motor (51) are installed on backup pad (11), be formed with between backup pad (11) and frame (1) side drive chamber (10), the output shaft of driving motor (51) passes backup pad (11) and stretches into in drive chamber (10) with drive gear (52) fixed connection, driven gear (53) are installed in drive chamber (10) through the driven shaft, the driven shaft passes from the shaft hole of driven gear (53) to with the shaft hole pore wall fixed connection of driven gear (53), the both ends of driven shaft respectively with frame (1) side, Backup pad (11) rotate to be connected, drive gear (52) and driven gear (53) intermeshing, the driven shaft keep away from the one end of frame (1) and be fixed with the connecting axle, and the connecting axle is located backup pad (11) and keeps away from one side of frame (1), the one end that the backup pad was kept away from to the connecting axle with driving pulley (54) fixed connection, lower floor's receipts spool (422) rotate through lower floor's roller and connect in one side that frame (1) was kept away from in backup pad (11), follow-up band pulley (55) are installed on lower floor's roller, and follow-up band pulley (55) are located between lower floor's receipts spool (422) and backup pad (11), and follow-up band pulley (55) and driving pulley (54) correspond each other, drive belt (56) cover is established on driving pulley (.

4. A double layer PET stripping apparatus as claimed in claim 3, wherein: feeding mechanism (2) are including accepting cylinder (21), accepting axle (22) and feed cylinder (23), accept cylinder (21) and accept axle (22) all rotate to be connected and be in backup pad (11) keep away from one side of frame (1), feed cylinder (23) cover is established and is accepted on axle (22) and accept a section of thick bamboo, and the outer wall of accepting the outer wall of cylinder (21), accepting axle (22) all contradicts with the inner tube wall of feed cylinder (23).

5. The double-layer PET stripping device according to claim 4, characterized in that: one side that frame (1) was kept away from in backup pad (11) is provided with bearing subassembly (6), and bearing subassembly (6) include major ingredient bearing rod (61) and divide material bearing rod (62), and major ingredient bearing rod (61) are provided with many, and many major ingredient bearing rod (61) all rotate to be connected in backup pad (11) one side of keeping away from frame (1) to be close to the top of frame (1), divide material bearing rod (62) including being located bearing axle (621) in separation frame (31) are in with the setting bearing axle two (622) of lower floor's roller top, bearing axle one (621) and bearing axle two (622) all rotate to be connected on backup pad (11).

6. The double-layer PET stripping device according to claim 5, characterized in that: the single-layer PET film conveying device is characterized in that a relay assembly (7) convenient for conveying a single-layer PET film is arranged on the supporting plate (11), the relay assembly (7) comprises a relay conveying roller (71), a relay supporting frame (72), a press roller group (73) and a balance weight rod (74), the relay supporting frame (72) is horizontally arranged on one side, away from the rack (1), of the supporting plate (11) and corresponds to the driving belt wheel (54), the relay conveying roller (71) is fixedly connected with one side, away from the supporting plate (11), of the driving belt wheel (54), one end, away from the driving belt wheel (54), of the relay conveying roller (71) is rotatably connected with one side frame beam, away from the supporting plate (11), of the relay supporting frame (72), a roller group translation hole (721) is formed in the side frame beam, away from the supporting plate (11), the roller group translation hole (721) is close to the relay conveying roller (71), the press roller group (73) is arranged in, the press roller group (73) comprises two press rollers (731) arranged in parallel, T-shaped fixing pieces (732) and a fixing rod (733), the T-shaped fixing pieces (732) are fixed at two ends of the fixing rod (733), the two press rollers (731) are rotatably connected between the two T-shaped fixing pieces (732) and are positioned between the fixing rod (733) and the relay conveying roller (71), the two press rollers (731) are vertically distributed on the T-shaped fixing pieces (732), one end of the fixing rod (733) is close to the supporting plate (11), the other end of the fixing rod (733) extends into the translation hole (721) of the roller group, a push shaft (81) is fixed on one side of the fixing rod (733) far away from the relay conveying roller (71), one end of the push shaft (81) far away from the fixing rod (733) penetrates through a side frame beam of the relay supporting frame (72) and is fixedly connected with a mounting shaft (82), an overturning block, the turnover block (83) is provided with a turnover hole, the mounting shaft (82) penetrates through the turnover hole, the turnover block (83) is abutted to the relay supporting frame (72) on the mounting shaft (82), the distance between one side face, close to the relay supporting frame (72), of the turnover block (83) and the circle center of the turnover hole is smaller than the distance between the circle center of the turnover hole and the top face of the turnover block (83), the push shaft (81) is sleeved with a return spring (84), the return spring (84) is located between the fixing rod (733) and the frame beam of the relay supporting frame (72), and two ends of the return spring (84) are respectively abutted to two side faces, close to the fixing rod (733) and the relay supporting frame (72).

7. The double-layer PET stripping apparatus according to claim 6, wherein: one end of the supporting plate (32) close to the rack (1) is provided with a reverse U-shaped limiting frame (9), a limiting roller (91) is arranged in the limiting frame (9), two ends of the limiting roller (91) are respectively connected with wing plates at two sides of the reverse U-shaped limiting frame (9) in a rotating manner, and the limiting roller (91) is close to the supporting plate (32).

8. The double-layer PET stripping apparatus according to claim 7, wherein: the upper layer winding motor and the driving motor (51) are both selected as stepping motors.