Winding equipment for biaxially oriented matte polyester film

By designing an automated winding device, automatic roll changing and continuous winding of biaxially oriented polyester film were achieved, solving the safety risks and low efficiency problems of traditional manual winding, and improving production efficiency and product quality.

CN223521982UActive Publication Date: 2025-11-07CHANGZHOU ZHONGHENG NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202423134917.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-07
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In the traditional biaxially oriented polyester film production process, winding and changing rolls require manual operation, which poses safety risks and instability, and affects production efficiency.

Method used

An automated winding device was designed, comprising a frame, a drive roller, a rotating shaft, a driver, a shaft-changing cutting mechanism, a roller feeding mechanism, and a roller unloading mechanism. The device achieves continuous winding of film through automatic shaft-changing cutting and roller feeding/unloading.

Benefits of technology

It automates and enables continuous film winding, reduces manual intervention, improves production efficiency and roll change success rate, and avoids film waste and product defects.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223521982U_ABST
    Figure CN223521982U_ABST
Patent Text Reader

Abstract

The utility model provides a two-way stretching matte polyester film winding device which comprises a rack, a driving roller, a rotating shaft, a driver and a shaft changing cutting mechanism, the driving roller is fixed with the rotating shaft, the rotating shaft is matched with the rack in a rotating mode, the driver is connected with the rotating shaft, the shaft changing cutting mechanism is sleeved on the rotating shaft, and the shaft changing cutting mechanism is matched with the rotating shaft in a rotating mode. The driving mechanism is connected with the shaft changing and cutting mechanism; the roller feeding mechanism is hinged to the rack; the roller unloading mechanism is hinged to the rack, and the roller feeding mechanism is located between the driving roller and the roller unloading mechanism; the winding shaft is respectively matched with the rack, the shaft changing and cutting mechanism, the roller feeding mechanism and the roller unloading mechanism, and the rack is provided with a first matching part and a second matching part which are matched with the winding shaft. The film winding device can automatically and continuously wind the film.
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Description

TECHNICAL FIELD

[0001] The utility model relates to material feeding technical field, concretely relates to a winding equipment of biaxially oriented matt polyester film. BACKGROUND

[0002] In the film production, the currently used equipment is all automatic assembly line, and the whole production process is continuous. However, the automatic winding device of the traditional biaxially oriented polypropylene film production has certain defects, cannot realize efficient automatic winding, and affects the production efficiency.

[0003] The biaxially oriented polyester film has the characteristics of high strength, good rigidity, transparency, glossiness and the like; simultaneously odorless, tasteless, colorless, nontoxic, outstanding toughness, the biaxially oriented polyester film has excellent comprehensive performance, its mechanical strength is high, optical performance is good, use temperature is wide, barrier property is excellent, resistant to oil, corrosion resistant and the like, so its application field is very wide, in the production process of the biaxially oriented polyester film, the finished biaxially oriented polyester film needs to be wound on the winding film ring by using the winding equipment, and then the next packaging operation is conveniently carried out.

[0004] The currently used equipment is all automatic assembly line, and the whole production process is continuous. When winding is changed, the empty winding roller runs to the winding change working position, the winding film is disconnected by manual tool, one hand disconnects the film, the other hand attaches the film to the surface of the empty winding roller, gradually lets the film be attached to the winding roller, then the winding roller runs to the normal working position, the finished winding roller shaft is unloaded, and the winding change is completed. Such winding change mode consumes manpower, has the danger of manual film cutting and winding change operation, and simultaneously, the success rate of such winding change mode is unstable, and the film is easily wasted and the product is not good. INVENTION CONTENTS

[0005] The utility model provides a winding equipment of biaxially oriented matt polyester film, the utility model can continuously wind the film automatically.

[0006] The technical scheme for solving the above technical problems is as follows:

[0007] A winding equipment of biaxially oriented matt polyester film, including frame, driving roller, pivot, driver, the driving roller is fixed with the pivot, the pivot is rotationally cooperated with the frame, the driver is connected with the pivot, still include:

[0008] The shaft cutting mechanism is sleeved on the pivot, and the shaft cutting mechanism is rotationally cooperated with the pivot.

[0009] The driving mechanism is connected with the shaft cutting mechanism.

[0010] The roller feeding mechanism is hinged with the frame.

[0011] The roll dismounting mechanism is hinged to the frame, and the roll feeding mechanism is located between the driving roller and the roll dismounting mechanism.

[0012] The winding shafts are respectively matched with the frame, the shaft replacing and cutting mechanism, the roll feeding mechanism and the roll dismounting mechanism.

[0013] Further, the shaft replacing and cutting mechanism comprises:

[0014] The bearing assembly is penetrated by the rotating shaft, and the bearing assembly is connected with the driving mechanism.

[0015] The support plate is fixed at one end of the bearing assembly, and the support plate is provided with a yoke at the other end.

[0016] The cylinder fly cutter is located outside the driving roller and is fixed with the support plate.

[0017] Further, the driving mechanism comprises a motor, a transmission shaft, a first transmission mechanism and a second transmission mechanism.

[0018] Further, the roll feeding mechanism comprises a first driver, a first rotating shaft and a roll feeding frame.

[0019] Further, the roll dismounting mechanism comprises a second driver, a second rotating shaft and a roll dismounting frame.

[0020] Further, the device further comprises a discharging trolley and a track.

[0021] The device has the advantages that the film can be continuously wound automatically, and the position of the winding shaft can be automatically converted during the winding process. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure diagram of the biaxially oriented matt polyester film.

[0023] Figure 2 It is a front view of the winding equipment of the biaxially oriented matt polyester film.

[0024] Figure 3 It is a perspective view of the winding equipment of the biaxially oriented matt polyester film with some parts hidden.

[0025] Figure 4 is hidden on the basis of part of the parts. Figure 3 is hidden on the basis of part of the parts.

[0026] Figure 5 is hidden on the basis of part of the parts. Figure 4 is hidden on the basis of part of the parts.

[0027] Reference signs in the drawings:

[0028] Frame 1, first matching part 1a, second matching part 1b, driving roller 2, rotating shaft 3, bearing assembly 4, support plate 5, air cylinder flying cutter 7, guide rod 7a, motor 8, transmission shaft 9, first transmission mechanism 10, second transmission mechanism 11, first driver 12, first rotating shaft 13, feeding roller frame 14, second driver 15, second rotating shaft 16, discharging roller frame 17, discharging trolley 18, track 19, tensioning roller 20, winding shaft A, driver B, bearing C. DETAILED DESCRIPTION

[0029] The utility model will be made further detailed description in combination with the drawings and specific implementation.

[0030] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, structure and operation, therefore it can not be understood as the limitation of the utility model.

[0031] In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0032] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation.For the ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium.Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature.The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0034] As shown in Figure 1 The utility model discloses a kind of winding equipment of biaxially oriented matt polyester film, including rack 1, driving roller 2, rotating shaft 3, driver B, shaft replacement cutting mechanism, driving mechanism, feeding roller mechanism, unloading roller mechanism, winding shaft A, the relationship between each part and it is described in detail as follows:

[0035] Figures 2 to 5 As shown in

[0036] Rack 1 is equipped with the first cooperation part 1a and the second cooperation part 1b matched with winding shaft A, the two ends of winding shaft A are equipped with multiple bearings C, and the bearing C is used to cooperate with the first cooperation part 1a and the second cooperation part 1b, wherein the first cooperation part 1a is recess, and the second cooperation part 1b is guide rail, and the second cooperation part 1b is fixed with rack 1.Winding shaft A is used to cooperate with rack 1, shaft replacement cutting mechanism, feeding roller mechanism and unloading roller mechanism.

[0037] The driving roller 2 is fixed with the rotating shaft 3, the rotating shaft 3 is in rotating cooperation with the frame 1, the driver B is connected with the rotating shaft 3, the driver B preferably adopts a speed reducer motor, the driver B is fixed with the frame 1, and the driver B is used to drive the rotating shaft 3 to rotate.

[0038] The shaft changing and cutting mechanism is sleeved on the rotating shaft 3, the shaft changing and cutting mechanism is in rotating cooperation with the rotating shaft 3, the shaft changing and cutting mechanism comprises the bearing assembly 4, the supporting plate 5 and the air cylinder fly cutter 7, the rotating shaft 3 passes through the bearing assembly 4, the bearing assembly 4 is in rotating cooperation with the rotating shaft 3, the bearing assembly 4 is connected with the driving mechanism, one end of the supporting plate 5 is fixed with the bearing assembly 4, the other end of the supporting plate 5 is provided with the shift fork 6, the shift fork 6 is hinged with the supporting plate 5, and the torsion spring is installed between the shift fork 6 and the supporting plate 5, when the shift fork 6 is subjected to a larger resistance, the shift fork 6 can rotate, and after the resistance is removed, the shift fork 6 can be reset.

[0039] The driving mechanism is used to drive the bearing assembly 4 to rotate, the supporting plate 5 rotates with the bearing assembly 4, and the shift fork 6 is used to transfer the winding shaft A located in the first cooperation part 1a to the second cooperation part 1b. The air cylinder fly cutter 7 is located outside the driving roller 2, the air cylinder fly cutter 7 is fixed with the supporting plate 5, and the air cylinder fly cutter 7 is used to cut the film. The shaft changing and cutting mechanism further comprises the guide rod 7a, the guide rod 7a is fixed with the supporting plate 5 at both ends, the guide rod 7a is installed on both sides of the air cylinder fly cutter 7, and the guide rod 7a is used to guide the air cylinder fly cutter 7.

[0040] The driving mechanism is connected with the shaft changing and cutting mechanism, the driving mechanism drives the shaft changing and cutting mechanism to revolve around the driving roller 2, the driving mechanism comprises the motor 8, the transmission shaft 9, the first transmission mechanism 10 and the second transmission mechanism 11, the transmission shaft 9 is in rotating cooperation with the frame 1, the first transmission mechanism 10 is connected with the motor 8 and the transmission shaft 9 respectively, the second transmission mechanism 11 is connected with the transmission shaft 9 and the shaft changing and cutting mechanism respectively, and the second transmission mechanism 11 is connected with the bearing assembly 4. In the embodiment, the first transmission mechanism 10 and the second transmission mechanism 11 preferably adopt a chain wheel and chain transmission mechanism.

[0041] The feeding roller mechanism is hinged with the frame 1, and the feeding roller mechanism comprises the first driver 12, the first rotating shaft 13 and the feeding roller frame 14. The first driver 12 can adopt a linear driving part such as an air cylinder or a hydraulic cylinder, and in the embodiment, the first driver 12 preferably adopts an air cylinder. The first driver 12 is hinged with the frame 1, the first driver 12 is connected with the feeding roller frame 14, the first rotating shaft 13 passes through and is connected with the feeding roller frame 14, and the first rotating shaft 13 is in rotating cooperation with the frame 1. One end of the feeding roller frame 14 is provided with a containing groove, so that the one end of the feeding roller frame 14 is in a fork structure. When the shaft changing and cutting mechanism transfers the prepared winding roller A from the first cooperation part 1a to the second cooperation part 1b, the end part of the winding roller A falls into the containing groove on the feeding roller frame 14.

[0042] The unloading roller mechanism is hinged to the frame 1, the feeding roller mechanism is located between the driving roller 2 and the unloading roller mechanism, and the unloading roller mechanism comprises a second driver 15, a second rotating shaft 16 and an unloading roller frame 17; the second driver 15 can be a linear driving component such as a pneumatic cylinder or a hydraulic cylinder; in the embodiment, the second driver 15 is preferably a pneumatic cylinder; the second driver 15 is hinged to the frame 1, and the second driver 15 is connected to the unloading roller frame 17; the second rotating shaft 16 penetrates through the unloading roller frame 17 and is connected to the unloading roller frame 17; and the second rotating shaft 16 is rotationally matched with the frame 1.

[0043] The utility model also includes a discharging trolley 18 and a track 19, the track 19 is located on one side of the unloading roller mechanism, and the discharging trolley 18 is matched with the track 19.

[0044] The working process of the utility model is as follows:

[0045] There are two winding shafts A on the frame 1, wherein the first winding shaft A is matched with the first matching part 1a and is in a standby state, the second winding shaft A is matched with the second matching part 1b and the feeding roller frame 14, and the second winding shaft A is used for winding the film. The film passes through the lower side of the tensioning roller 20 and the upper side of the driving roller 2 in sequence, and the film is matched with the surfaces of the tensioning roller 20 and the driving roller 2; the head of the film is wound by the second winding shaft A; the driver B is driven to rotate the driving roller 2; under the action of the first driver 12, the film layer wound on the second winding shaft A is kept adhered to the circumferential surface of the driving roller 2, so that the driving roller 2 rotates to rotate the second winding shaft A through the friction force between the driving roller 2 and the film layer; and in this process, the second winding shaft A continuously winds the film.

[0046] When the film thickness of the second winding shaft A reaches the required thickness, the motor 8 works, the motor 8 drives the transmission shaft 9 to rotate through the first transmission mechanism 10, the transmission shaft 9 transmits power to the bearing assembly 4 through the second transmission mechanism 11, the bearing assembly 4 rotates, the bearing assembly 4 drives the support plate 5 to rotate, the shift fork 6 rotates with the support plate 5, in this process, the first winding shaft A is affected by the shift fork 6 and falls into the shift fork 6, so that the shaft changing and cutting mechanism drives the first winding shaft A to revolve around the driving roller 2, the film is pressed between the first winding shaft A and the driving roller 2, so that the first winding shaft A is in a rotating state, at this position, the motor 8 stops working, and the air cylinder flying knife 7 works to cut off the film, and the first winding shaft A is often pre-installed with a paper reel, the surface of the reel is provided with an adhesive tape, therefore, when the film is cut off, the head of the film is stuck on the reel, since the reel on the first winding shaft A is in a rotating state, therefore, the first winding shaft A then winds the cut film, then, the motor 8 is restarted to work, so that the shaft changing and cutting mechanism drives the first winding shaft A with a small amount of film wound to reach the second matching part 1b, and falls into the accommodating groove at one end of the feeding roller frame 14, at this time, due to the position relationship of the first winding shaft A, the second winding shaft A is switched, the second winding shaft A continues to wind according to the above-mentioned mode.

[0047] After the air cylinder flying knife 7 cuts off the film, the feeding roller frame 14 is driven to rotate forward under the action of the first driver 12, and the unloading roller frame 17 is driven to rotate forward to a position for receiving the second winding shaft A under the action of the second driver 15, after the second winding shaft A is transferred from the feeding roller frame 14 to the unloading roller frame 17, the feeding roller frame 14 is reversed under the action of the first driver 12, then the feeding roller frame 14 receives the winding shaft A with a small amount of film wound, and completes the winding change. The motor 8 drives the shaft changing and cutting mechanism to continue to rotate, so that the shaft changing and cutting mechanism returns to the original position.

[0048] The second driver 15 drives the unloading roller frame 17 to rotate forward, and transfers the second winding shaft A on the unloading roller frame 17 to the unloading trolley 18, the unloading trolley 18 moves along the track 19, and transports the second winding shaft A with the film wound to a designated position.

Claims

1. A winding device for biaxially oriented matte polyester film, comprising a frame (1), a drive roller (2), a rotating shaft (3), and a driver (B), wherein the drive roller (2) is fixed to the rotating shaft (3), the rotating shaft (3) is rotatably coupled to the frame (1), and the driver (B) is connected to the rotating shaft (3), characterized in that, Also includes: The shaft cutting mechanism is sleeved on the rotating shaft (3), and the shaft cutting mechanism is in rotating cooperation with the rotating shaft (3); The driving mechanism is connected with the shaft cutting mechanism; The feeding roller mechanism is hinged with the rack (1); The unloading roller mechanism is hinged with the rack (1), and the feeding roller mechanism is located between the driving roller (2) and the unloading roller mechanism; The winding shaft (A) is used in cooperation with the rack (1), the shaft cutting mechanism, the feeding roller mechanism and the unloading roller mechanism, and the rack (1) is provided with a first cooperation part (1a) and a second cooperation part (1b) cooperating with the winding shaft (A).

2. The winding apparatus of a bidirectional-stretch matte polyester film according to claim 1, wherein The shaft cutting mechanism includes: The bearing assembly (4) is penetrated by the rotating shaft (3), the bearing assembly (4) is in rotating cooperation with the rotating shaft (3), and the bearing assembly (4) is connected with the driving mechanism; One end of the support plate (5) is fixed with the bearing assembly (4), and the other end of the support plate (5) is provided with a shift fork (6); The cylinder fly cutter (7) is located outside the driving roller (2), and the cylinder fly cutter (7) is fixed with the support plate (5).

3. The winding apparatus of claim 1, wherein the winding apparatus is a winding apparatus for a biaxially-stretched matte polyester film. The driving mechanism includes a motor (8), a transmission shaft (9), a first transmission mechanism (10), and a second transmission mechanism (11), the transmission shaft (9) is in rotating cooperation with the rack (1), the first transmission mechanism (10) is connected with the motor (8) and the transmission shaft (9) respectively, and the second transmission mechanism (11) is connected with the transmission shaft (9) and the shaft cutting mechanism respectively.

4. The winding apparatus of claim 1, wherein the winding apparatus is a winding apparatus for a biaxially-stretched matte polyester film. The feeding roller mechanism includes a first driver (12), a first rotating shaft (13), and a feeding roller frame (14), the first driver (12) is hinged with the rack (1), the first driver (12) is connected with the feeding roller frame (14), the first rotating shaft (13) penetrates through the feeding roller frame (14) and is connected with the feeding roller frame (14), and the first rotating shaft (13) is in rotating cooperation with the rack (1).

5. The winding apparatus of the bidirectional-stretch matte polyester film according to claim 1, wherein The unloading roller mechanism includes a second driver (15), a second rotating shaft (16), and an unloading roller frame (17), the second driver (15) is hinged with the rack (1), the second driver (15) is connected with the unloading roller frame (17), the second rotating shaft (16) penetrates through the unloading roller frame (17) and is connected with the unloading roller frame (17), and the second rotating shaft (16) is in rotating cooperation with the rack (1).

6. The winding apparatus of a bidirectional-stretch matte polyester film according to any one of claims 1 to 5, characterized by It also includes a discharging trolley (18) and a track (19), the track (19) is located on one side of the unloading roller mechanism, and the discharging trolley (18) cooperates with the track (19).