Intelligent numerical control PET (Polyethylene Terephthalate) belt winding machine

Abstract

The invention relates to the technical field of winding machines, in particular to an intelligent numerical control PET belt winding machine which comprises an equipment body and a winding main shaft installed on the equipment body and used for winding a packing belt. The device further comprises a supporting plate, a film winding roller, a first pressing roller and a second pressing roller. The supporting plate can be adjusted in a lifting mode in the height direction of the equipment body. Through cooperation of the first pressing roller and the second pressing roller, when the rolled packing belt needs to be bundled, the second pressing roller moves downwards to be tightly attached to the surface of the rolled and cut packing belt, and through pressing limitation of the second pressing roller, it is guaranteed that the rolled packing belt cannot be loosened after being cut off and in the bundling process; and the film can be continuously wound on the coiled packing belt, so that the effect of automatically winding and protecting the surface of the coiled packing belt by the film is achieved, and the bundling effect is also achieved after the film is wound on the surface of the coiled packing belt for multiple circles.

Description

Technical Field

[0001] The present invention relates to the technical field of winding machines, and particularly to an intelligent numerically controlled PET tape winding machine. Background Art

[0002] After the PET packing tape is produced, it needs to be wound around a paper tube, and the wound packing tape roll presents a tight cylindrical shape.

[0003] However, after the packing tape is wound up, it needs to be bundled to ensure that the wound packing tape does not become loose; Currently, after the packing tape is wound up, manual bundling is required, which is time-consuming and laborious and affects the processing efficiency. Summary of the Invention

[0004] The present invention provides an intelligent numerically controlled PET tape winding machine, which can automatically bundle after the packing tape is wound up, improving the processing efficiency. The specific scheme is as follows: An intelligent numerically controlled PET tape winding machine includes a device main body and a winding main shaft installed on the device main body for winding the packing tape; it also includes a support plate, a winding film roller, a first pressing roller and a second pressing roller. The support plate is located above the winding main shaft and is slidably arranged on the device main body; wherein, the support plate can be adjusted up and down along the height direction of the device main body; the winding film roller is rotatably installed on the support plate; the first pressing roller is located below the winding film roller and is rotatably installed on the support plate; the second pressing roller is rotatably installed on the support plate, the whole of the second pressing roller is located below one side of the first pressing roller, and the sides of the second pressing roller and the first pressing roller are always in close contact; wherein, the broken end part of the film on the winding film roller is always clamped between the first pressing roller and the second pressing roller.

[0005] Further, a first cylinder is also installed on the device main body; a lifting plate is also slidably installed on the device main body; the support plate is arranged on the lifting plate; the output shaft of the first cylinder is fixedly connected to the lifting plate.

[0006] Further, a third pressing roller is also arranged on the side of the second pressing roller away from the first pressing roller; the third pressing roller is rotatably installed on the lifting plate; wherein, the second pressing roller and the third pressing roller are symmetrically arranged about the vertical axis of the winding main shaft.

[0007] Further, a serrated knife is fixedly connected to the lifting plate; the whole of the serrated knife is located between the second pressing roller and the third pressing roller; wherein, after the film on the winding film roller winds and bundles the wound packing tape, the support plate can form a relative upward slip relative to the lifting plate.

[0008] Further, a second cylinder is also installed on the lifting plate; the support plate is slidably connected to the lifting plate, and the support plate is fixedly connected to the output shaft of the second cylinder.

[0009] Further, the serrated knife is disposed obliquely as a whole, and the cutting edge position thereof is adjacent to the second pressing roller; the cutting edge of the serrated knife is parallel to the horizontal tangent line of the second pressing roller.

[0010] Further, a blowing pipe is also installed on the support plate; the blowing pipe is located on the side of the first pressing roller away from the second pressing roller; wherein, when the second pressing roller moves towards the direction of the bundled belt after winding, the film on the winding film roller can be blown by the blowing pipe to be located between the second pressing roller and the bundled belt after winding.

[0011] Further, the blowing pipe is connected to the support plate through a torsion spring; an extrusion plate is also installed at the end of the blowing pipe; a concave plate is also installed on the equipment main body; a first protrusion is installed on the inner wall of the concave plate adjacent to the second pressing roller; wherein, the first protrusion is located on the moving path of the extrusion plate.

[0012] Further, a second protrusion is also installed on the inner wall of the other side of the concave plate; the second protrusion is located below the first protrusion.

[0013] Further, the first pressing roller, the second pressing roller and the third pressing roller have the same structure, and rubber materials are attached to the sides of all of them.

[0014] Compared with the prior art, the present invention can at least achieve the following beneficial effects: Through the cooperation of the first pressing roller and the second pressing roller, when bundling the belt after winding, the second pressing roller moves downwards to closely adhere to the surface of the bundled belt after winding and cutting, and through the pressing restriction of the second pressing roller, it is ensured that the bundled belt after winding will not be loose during the cutting and bundling process; Immediately afterwards, the winding main shaft drives the bundled belt after winding to rotate, which will drive the second pressing roller in contact therewith to rotate self, and the second pressing roller drives the first pressing roller in contact therewith to rotate. The two rotate towards each other, so that the film on the winding film roller can be continuously conveyed out between the two, and with the continuous rotation of the winding main shaft, the film will continuously wind around the bundled belt after winding, thereby forming the effect of automatically winding and protecting the surface of the bundled belt after winding, and also forming the bundling effect after the film winds around the surface of the bundled belt after winding for multiple circles; At the same time, the broken end part of the film after cutting is always located between the first pressing roller and the second pressing roller. Through the limitation of the two, the broken end part of the film will not be messy, which is convenient for the next bundling use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them: Figure 1 It is the overall structural schematic diagram of the present invention.

[0016] Figure 2 Schematic diagram of the winding and packing belt of the present invention.

[0017] Figure 3 Schematic diagram of the structure of the support plate of the present invention.

[0018] Figure 4 Schematic diagram of the structure of the lifting plate of the present invention.

[0019] Figure 5 For the present invention Figure 2 Partial structure schematic diagram.

[0020] Figure 6 Bottom view structure schematic diagram of the air blowing pipe of the present invention.

[0021] Figure 7 Schematic diagram of the air blowing pipe of the present invention blowing air towards the packing belt.

[0022] Figure 8 For the present invention Figure 7 Schematic diagram of the orientation of the air outlet of the air blowing pipe and the position of the pressing plate in the present invention.

[0023] Figure 9 Schematic diagram of the air blowing pipe of the present invention blowing air towards the second pressing roller.

[0024] Figure 10 For the present invention Figure 9 Schematic diagram of the orientation of the air outlet of the air blowing pipe and the position of the pressing plate in the present invention.

[0025] Figure 11 Schematic diagram of the second pressing roller contacting the surface of the wound packing belt of the present invention.

[0026] Figure 12 For the present invention Figure 11 Schematic diagram of the orientation of the air outlet of the air blowing pipe and the position of the pressing plate in the present invention.

[0027] Figure 13 Schematic diagram of the support plate of the present invention forming a relative upward sliding relative to the lifting plate.

[0028] Among them, the reference numerals are as follows: 001, equipment main body; 002, winding main shaft; 100, support plate; 101, winding film roller; 102, first pressing roller; 103, second pressing roller; 200, first cylinder; 201, lifting plate; 202, third pressing roller; 203, serrated knife; 204, second cylinder; 300, air blowing pipe; 301, pressing plate; 302, concave plate; 303, first protrusion; 304, second protrusion. Detailed implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0030] Please first refer to Figure 1 and Figure 2 As shown, the present invention provides an intelligent numerical control PET tape winding machine, including a device main body 001 and a winding main shaft 002 installed on the device main body 001 for winding the packing tape. The paper tube can be installed on the winding main shaft 002 in advance, and the packing tape on the production line is wound around the paper tube through the rotation of the winding main shaft 002, so as to obtain a packing tape roll of a suitable length. This is a well-known technology and will not be elaborated here. Differently, as Figure 3 and Figure 4 shown, the present application further includes a support plate 100, a winding film roller 101, a first pressure roller 102, and a second pressure roller 103. Among them, the support plate 100 is located above the winding main shaft 002 and is vertically slidably installed on the front end of the device main body 001. Specifically, the support plate 100 can be adjusted up and down along the height direction of the device main body 001; the winding film roller 101 is rotatably installed on the support plate 100, and the film on the winding film roller 101 is used to wind and bundle the plastic packing tape after winding; the first pressure roller 102 is located below the winding film roller 101 and is rotatably installed on the support plate 100; the second pressure roller 103 is rotatably installed on the support plate 100. The whole of the second pressure roller 103 is located below one side of the first pressure roller 102, and the sides of the second pressure roller 103 and the first pressure roller 102 are always in close contact; the lengths of the first pressure roller 102 and the second pressure roller 103 are not less than the overall thickness of the packing tape wound on the winding main shaft 002; among them, the broken end part of the film on the winding film roller 101 is always clamped between the first pressure roller 102 and the second pressure roller 103, and the broken end after the film is cut is located below the second pressure roller 103. During use: as Figure 5 shown, after the packing tape is wound on the winding main shaft 002, and then as Figure 9 shown, the broken end part of the winding film can be placed directly below the second pressure roller 103 through an external device or a worker. Subsequently, as Figure 11 shown, the support plate 100 is vertically lowered as a whole until the second pressure roller 103 on the support plate 100 fits the surface of the wound packing tape. At this time, the broken end of the winding film is pressed between the second pressure roller 103 and the wound packing tape. Subsequently, as Figure 5 and Figure 11As shown, the excess packing tape after winding can be cut by an external tape cutter. Since the second pressure roller 103 is in close contact with the wound packing tape at this time, although the wound packing tape is not tied at this time, it will not loosen due to the tight pressing restriction of the second pressure roller 103; Immediately afterwards, as Figure 11 and Figure 13 shown, by the action of an external motor, the winding main shaft 002 and the wound packing tape on it are controlled to rotate clockwise. The wound packing tape will drive the second pressure roller 103 to rotate counterclockwise. The surfaces of the first pressure roller 102 and the second pressure roller 103 are in close contact, so that the film on the winding film roller 101 is continuously conveyed out between the first pressure roller 102 and the second pressure roller 103, and as the winding main shaft 002 continues to rotate, it is wound onto the wound packing tape. After the film is wound around the wound packing tape for multiple turns (the specific number of turns can be set according to actual needs and is not limited), in this way, the effect of automatically winding and protecting the surface of the wound packing tape by the film is formed, that is, the effect of automatic bundling is formed. Finally, the rotation of the winding main shaft 002 is controlled to stop by an external motor device, and the film between the second pressure roller 103 and the wound packing tape is cut to remove the bundled packing tape roll; At the same time, as Figure 7 shown, the cut end part of the film is always located between the first pressure roller 102 and the second pressure roller 103. Due to the restriction of the film by the two, the cut end part of the film will not be messy, which is convenient for the next bundling use.

[0031] Referring to Figure 3 and Figure 4 shown, in order to achieve the above, the support plate 100 can be specifically adjusted up and down along the height direction of the equipment main body 001; for this purpose, a first cylinder 200 is also installed on the equipment main body 001; a lifting plate 201 is also slidably installed on the equipment main body 001 through a slide rail; the support plate 100 is arranged on the lifting plate 201; the output shaft of the first cylinder 200 faces downward, and the output shaft is fixedly connected to the lifting plate 201; During use: by the action of the first cylinder 200, its output shaft extends downward, and drives the lifting plate 201 and the support plate 100 on it to move downward until the first pressure roller 102 on the support plate 100 fits with the wound packing tape, so as to achieve the lifting adjustment of the support plate 100. In other words, by the action of the first cylinder 200, the second pressure roller 103 can be moved downward and closely attached to the surface of the wound packing tape, and then the film on the winding film roller 101 can be wound and tied to the wound packing tape.

[0032] Referring to Figure 3 、 Figure 7 and Figure 13 shown, a third pressure roller 202 is also arranged on the side of the second pressure roller 103 away from the first pressure roller 102; the third pressure roller 202 is rotatably installed on the lifting plate 201; among them, the second pressure roller 103 and the third pressure roller 202 are symmetrically arranged about the vertical axis of the winding main shaft 002, that is, their position heights are the same; During use: When the winding main shaft 002 drives the wound packing belt to continue rotating, since the second pressing roller 103 is in close contact with the surface of the wound packing belt, as the wound packing belt rotates, the film on the winding film roller 101 is continuously conveyed out between the first pressing roller 102 and the second pressing roller 103, and winds around the wound packing belt as the winding main shaft 002 rotates. During this process, the film on the wound packing belt will pass through the third pressing roller 202, and the roller pressing of the third pressing roller 202 further improves the close contact degree between the film and the surface of the wound packing belt, improving the quality of winding and bundling.

[0033] Refer to Figure 13 As shown, in order to realize the automatic cutting of the film between the second pressing roller 103 and the wound packing belt after bundling; for this purpose, a serrated knife 203 is also fixedly connected to the lifting plate 201; the serrated knife 203 is entirely located between the second pressing roller 103 and the third pressing roller 202; among them, after the film on the winding film roller 101 winds and bundles the wound packing belt, the support plate 100 can slide upward relative to the lifting plate 201; During use: After the film on the winding film roller 101 bundles the wound packing belt, the winding main shaft 002 stops rotating. At this time, the support plate 100 can be driven to move upward relative to the lifting plate 201. Similarly, the first pressing roller 102, the second pressing roller 103 on the support plate 100 and the film between the two move upward as a whole, while the overall position of the third pressing roller 202 on the lifting plate 201 remains unchanged and is in close contact with the surface of the wound packing belt / the film. During this movement process, the position of the film between the second pressing roller 103 and the third pressing roller 202 will change, and during the change process, the film will contact the edge of the serrated knife 203, so as to be forced to be cut. The edge of the serrated knife 203 is serrated, and it can be easily punctured and cut during the contact process of the film, realizing the automatic cutting of the film after the wound packing belt is bundled.

[0034] Refer to Figure 13 and Figure 4 As shown, in order to realize the relative upward sliding of the support plate 100 relative to the lifting plate 201; for this purpose, a second cylinder 204 is also installed on the lifting plate 201; the support plate 100 is slidably connected to the lifting plate 201, and the support plate 100 is fixedly connected to the output shaft of the second cylinder 204; During use: As Figure 13As shown, when the cylinder two 204 is in its initial state, the output shaft is in a retracted state, and the second pressure roller 103 on the support plate 100 and the third pressure roller 202 on the lifting plate 201 are at the same height; after the second pressure roller 103 and the third pressure roller 202 are simultaneously pressed against the surface of the wound packing tape to form film winding, the cylinder two 204 can act, and the output shaft of the cylinder two 204 extends upward to drive the support plate 100 to move upward, so as to realize the relative position change between the second pressure roller 103 on the support plate 100 and the third pressure roller 202 on the lifting plate 201, and further force the film between the second pressure roller 103 and the third pressure roller 202 to contact the cutting edge of the serrated knife 203, thus forming the effect of automatic film cutting; in other words, after the winding film roller 101 winds and binds the wound packing tape, the effect of automatic film cutting can be formed, which is convenient for the next packing tape to be wound and bound for use.

[0035] Referring to Figure 13 and Figure 4 As shown, the serrated knife 203 is arranged obliquely as a whole, and its cutting edge position is adjacent to the second pressure roller 103; the cutting edge of the serrated knife 203 is parallel to the horizontal tangent of the second pressure roller 103, and the cutting edge is specifically located above the horizontal tangent of the second pressure roller 103; During use: on the basis that the second pressure roller 103 and the third pressure roller 202 are in close contact with the wound packing tape and the film is wound and bound, the serrated knife 203 at this time will not touch the wound packing tape / the film thereon; that is, when the winding main shaft 002 drives the wound packing tape to wind the film, the setting of the serrated knife 203 will not interfere with (poke and damage) the wound packing tape / the film thereon, ensuring the normal progress of the film winding and binding operation.

[0036] Referring to Figure 6 , Figure 7 , Figure 9 and Figure 11 As shown, in order to automatically place the end of the winding film directly below the second pressure roller 103, so that when the second pressure roller 103 is in close contact with the wound packing tape, the film is automatically located between the two; for this reason, a blowing air pipe 300 is also installed on the support plate 100. A plurality of air outlets are provided on the blowing air pipe 300, and the plurality of air outlets are arranged along the pipe length direction of the blowing air pipe 300. One end of the blowing air pipe 300 adjacent to the support plate 100 is communicated with an external air pump (not shown in the figure), so as to realize blowing at the air outlets of the blowing air pipe 300; the blowing air pipe 300 is located on the side of the first pressure roller 102 away from the second pressure roller 103; During use: when the second pressure roller 103 moves towards the direction of the wound packing tape after winding, when the second pressure roller 103 tends to contact the wound packing tape, as Figure 9 shown, the angle of the blowing air pipe 300 can be controlled so that the blowing at its air outlet can blow the end part of the film to directly below the second pressure roller 103. When the second pressure roller 103 is in close contact with the wound packing tape after winding, the film is located between the two, which is convenient for the subsequent film to wind and bind the wound packing tape, and saves manpower and improves processing efficiency.

[0037] Referring to Figure 6 、 Figure 7 、 Figure 9 and Figure 11 As shown, the air blowing pipe 300 is connected to the support plate 100 through a torsion spring; an extrusion plate 301 is further installed at the end of the air blowing pipe 300 adjacent to the support plate 100; a concave plate 302 is also installed on the equipment main body 001; a first protrusion 303 is installed on the inner wall of the concave plate 302 on the side adjacent to the second pressing roller 103; wherein, the first protrusion 303 is located on the moving path of the extrusion plate 301; During use: As Figure 7 and Figure 8 shown, in the initial state (the support plate 100 and its upper components are located above the coiled packing belt and do not touch), under the action of the torsion spring, the air outlet of the air blowing pipe 300 is vertically downward. In this state, the continuous blowing of the air blowing pipe 300 can act on the surface of the packing belt during the winding process. Since the packing belt is mostly coiled in the storage box or on the ground before entering the winding machine, a certain amount of dust adheres to its surface, and continuous blowing can reduce the adhesion of surface dust and improve product quality; moreover, the cleanliness of the packing belt surface facilitates the contact and winding effect between the film on the winding film roller 101 and the surface of the outermost packing belt; At the same time, there are many devices on the packing belt production line (such as the injection molding and extrusion equipment for packing belts, injection molding machines or extrusion machines, which have a high temperature during production), and the temperature in the workshop will be relatively high. The downward blowing of the air blowing pipe 300 can also provide coolness to the workers for inspection production or debugging installation; Furthermore, as Figure 9 and Figure 10 shown, when winding and bundling the coiled packing belt, the first cylinder 200 acts and drives the lifting plate 201 and its upper components to move downward. During this process, the extrusion plate 301 at the end of the air blowing pipe 300 will contact the first protrusion 303 on the concave plate 302, so that the air blowing pipe 300 rotates counterclockwise during the downward movement, and then the air outlet of the air blowing pipe 300 blows air towards the second pressing roller 103 for a period of time. By means of blowing, the broken part of the film will automatically adhere tightly to the second pressing roller 103 and be located below it. Subsequently, when the second pressing roller 103 moves downward and contacts the coiled packing belt, the broken part of the film will be pressed between the second pressing roller 103 and the coiled packing belt, which is convenient for the winding main shaft 002 to drive the coiled packing belt to rotate, and the film can automatically wind and bundle the coiled packing belt.

[0038] Referring to Figure 11 and Figure 12 shown, a second protrusion 304 is also installed on the inner wall of the other side of the concave plate 302; the second protrusion 304 is located below the first protrusion 303; During use: on the basis of the downward movement of the above-mentioned blowing tube 300 and the contact and extrusion of the protrusion 1 303, when the blowing tube 300 continues to move downward and the extrusion plate 301 thereon is located between the protrusion 1 303 and the protrusion 2 304, the blowing tube 300 can be reset by the torsion spring (the air outlet is facing downward at this time), and then it will contact the protrusion 2 304, so that the blowing tube 300 as a whole rotates clockwise by a certain angle. At this time, the blowing of the blowing tube 300 is inclined toward the surface of the rolled strapping tape (the blowing direction is away from the side of the film). By blowing, the surface part of the rolled strapping tape that is not wrapped with the film can be cleaned, or the surface of the film can be cleaned after being wrapped once, so as to ensure the quality of the film when it is wrapped multiple times. Whether the surface of the rolled strapping tape is cleaned or the surface of the film is cleaned after being wrapped once, the quality of the film wrapped around the rolled strapping tape can be improved.

[0039] Reference Figure 3 and Figure 4 As shown, pressure roller 1 102, pressure roller 2 103 and pressure roller 3 202 are of the same cylindrical structure, with the same length and diameter, and rubber material is attached to the sides of the three. With the support of the rubber material, when the winding main shaft 002 drives the rolled strapping tape to rotate, the pressure roller 2 103 and pressure roller 3 202 in contact with the rolled strapping tape can be ensured to rotate stably, thereby improving the quality of film winding; and when the pressure roller 2 103 rotates, it can drive the pressure roller 1 102 in contact with its surface to rotate, and the two rotate in opposite directions to ensure that the film on the winding film roller 101 is stably conveyed, and is wrapped and tied to its surface as the rolled strapping tape rotates, thereby completing the bundling of the strapping tape after winding.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. An intelligent numerically controlled PET tape winding machine, comprising a device body (001), and a winding spindle (002) mounted on the device body (001) for winding a packing tape; Features: Also includes, A support plate (100) is located above the winding main shaft (002) and is slidably disposed on the device body (001); The support plate (100) can be raised and lowered and adjusted along the height direction of the device body (001); A wrapping film roller (101) is rotatably mounted on the support plate (100); A pressure roller 1 (102), located below the wrapping film roller (101) and rotatably mounted on the support plate (100); The second pressing roller (103) is rotatably mounted on the support plate (100), the second pressing roller (103) is located as a whole below one side of the first pressing roller (102), and the side surfaces of the second pressing roller (103) and the first pressing roller (102) are always in close contact; The broken end portion of the film on the wrapping film roller (101) is always clamped between the first pressing roller (102) and the second pressing roller (103).

2. The intelligent numerically controlled PET tape winding machine according to claim 1, characterized in that: The equipment body (001) is also equipped with a cylinder 1 (200); A lifting plate (201) is also slidably mounted on the equipment body (001); The support plate (100) is arranged on the lifting plate (201); The output shaft of the cylinder 1 (200) is fixedly connected to the lifting plate (201).

3. The intelligent numerically controlled PET tape winding machine according to claim 2, characterized in that: A pressure roller 3 (202) is also provided on the side of the pressure roller 2 (103) away from the pressure roller 1 (102); The pressure roller three (202) is rotatably mounted on the lifting plate (201); The second pressing roller (103) and the third pressing roller (202) are symmetrically arranged about the vertical axis of the winding main shaft (002).

4. The intelligent numerically controlled PET tape winding machine according to claim 3, characterized in that: The lifting plate (201) is also fixedly connected with a serrated knife (203); The serrated knife (203) is located as a whole between the second pressing roller (103) and the third pressing roller (202); After the film on the wrapping film roller (101) is rolled up and wrapped with the packing tape, the support plate (100) can slide upward relative to the lifting plate (201).

5. The intelligent numerically controlled PET tape winding machine according to claim 4, characterized in that: A second cylinder (204) is also installed on the lifting plate (201); The support plate (100) is slidably connected to the lifting plate (201), and the support plate (100) is fixedly connected to the output shaft of the second cylinder (204).

6. The intelligent numerically controlled PET tape winding machine according to claim 4, characterized in that: The serrated knife (203) is arranged as a whole in an inclined manner, and its blade is located adjacent to the second pressing roller (103); The blade edge of the serrated knife (203) is parallel to the horizontal tangent line of the second pressing roller (103).

7. The intelligent numerically controlled PET tape winding machine according to claim 1 or 4, characterized in that: The support plate (100) is also provided with a blowing pipe (300); The blowing pipe (300) is located on a side of the first pressing roller (102) away from the second pressing roller (103); When the second pressing roller (103) moves in the direction of the rewound packaging tape, air can be blown through the blowing pipe (300) so that the film on the wrapping film roller (101) is located between the second pressing roller (103) and the rewound packaging tape.

8. The intelligent numerically controlled PET tape winding machine according to claim 7, characterized in that: The blowing pipe (300) is connected to the support plate (100) via a torsion spring; An extrusion plate (301) is also installed at the end of the blowing pipe (300); A concave plate (302) is also installed on the equipment body (001); A protrusion 1 (303) is installed on the inner wall of one side of the concave plate (302) adjacent to the second pressing roller (103); Wherein, the protrusion 1 (303) is located on the moving path of the extrusion plate (301).

9. The intelligent numerically controlled PET tape winding machine according to claim 8, characterized in that: A second protrusion (304) is also installed on the inner wall of the other side of the concave plate (302); The second protrusion (304) is located below the first protrusion (303).

10. The intelligent numerically controlled PET tape winding machine according to claim 1 or 4, characterized in that: The pressure roller one (102), the pressure roller two (103) and the pressure roller three (202) have the same structure, and the sides of the three are all covered with rubber material.

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