Surface wrinkle eliminating device for film rolling

Abstract

The invention belongs to the technical field of film production, and particularly relates to a film rolling surface wrinkle eliminating device which comprises a support with a vertically-arranged supporting plate. The driving roller mechanism is arranged on the supporting plate; the leveling roller mechanism is arranged on the supporting plate and matched with the driving roller mechanism; the driving roller mechanism comprises a driving motor which is erected on one side of the supporting plate, and the driving end of the driving motor faces the supporting plate; the driving roller is arranged on the other side of the supporting plate and is in transmission connection with the driving end of the driving motor; wherein the leveling roller mechanism is matched with the driving roller, so that the surface of the film is leveled.

Description

Technical Field

[0001] The invention belongs to the technical field of film production, and in particular relates to a device for eliminating surface wrinkles of film winding. Background Art

[0002] After the ultra-thin film is formed, it needs to be rolled up. However, the surface of the rolled film is prone to wrinkles, which affects the quality of the product. This phenomenon is more obvious when the thickness of the film is thinner and the width is wider. Summary of the invention

[0003] The purpose of the present invention is to provide a wrinkle removal device which has a simple structure, is easy to operate and can remove wrinkles on the surface of a film in order to solve the above-mentioned technical problems.

[0004] In view of this, the present invention provides a device for eliminating surface wrinkles of a film winding, comprising: a bracket with a vertically disposed support plate; A driving roller mechanism is arranged on the supporting plate; A leveling roller mechanism is arranged on the support plate and cooperates with the driving roller mechanism; The driving roller mechanism includes: A driving motor is mounted on one side of the support plate, with the driving end facing the support plate; The driving roller is arranged on the other side of the supporting plate and is drivingly connected to the driving end of the driving motor; The flattening roller mechanism cooperates with the driving roller to flatten the surface of the film.

[0005] In the above technical solution, further, the leveling roller mechanism includes: A transverse driver is disposed on one side of the support plate with the drive motor, with the drive end facing away from the support plate; The receiving roller shaft is connected to the driving end of the transverse driver, passes through one side of the support plate and extends out from the other side, and is arranged parallel to the driving roller; The receiving roller is freely rotatably arranged on the receiving roller shaft and can abut against the surface of the driving roller; And the film can pass between the receiving roller and the driving roller.

[0006] In the above technical solution, further, the leveling roller mechanism also includes: A receiving and holding block is arranged on the supporting plate, and the receiving roller shaft passes through the receiving and holding block and is slidably fitted; An end connector is disposed at the end of the receiving roller shaft and connects the receiving roller shaft with the driving end of the transverse driver; The supporting plate is provided with a placement groove for placing the receiving and holding block, and the receiving and holding block can slide on the placement groove.

[0007] In the above technical solution, further, the leveling roller mechanism also includes: An external driving assembly is fixed on the supporting plate and has a driving end connected to the receiving and holding block, and drives the receiving and holding block to slide on the placement groove; A receiving and holding component is arranged between the placement groove and the receiving and holding block; The receiving and retaining components include: Two inner bearing strips are respectively fixedly arranged on the upper and lower sides of the bearing retaining block; Two external support bars are respectively fixed on the upper and lower sides of the placement groove; The inner receiving strip is in the shape of an elongated strip, and a sliding groove with a convex cross section is formed on the side away from the receiving and retaining block; and the inner receiving strip cooperates with the outer receiving strip and can slide on the outer receiving strip.

[0008] In the above technical solution, further, the outer connecting strip includes: The support bar is a long strip-shaped structure; A plurality of guide rollers are equidistantly distributed on the support bar and can rotate freely; The guide roller is located in the sliding groove and is rotatably matched with the side wall in the sliding groove.

[0009] In the above technical solution, further, the external drive assembly includes: An outer support shell is fixedly arranged on the support plate and has a receiving cavity formed inside; An inner driving rod is arranged in the outer supporting shell and extends out of the outer supporting shell, and one end portion extending out of the outer supporting shell is fixedly connected to the receiving and holding block; an inner floating plug fixed to one end of the inner drive rod located inside the outer support housing; An inner trigger block is fixedly arranged in the inner floating plug; An outer drive component is disposed in the outer support housing and is located near an end of the inner drive rod extending therefrom; An inner driving component is disposed in the outer supporting shell and is located at an end extending away from the inner driving rod; The inner trigger block is a strong magnet, the outer drive component and the inner drive component are both electromagnetic coils, and the inner floating plug is normally located between the outer drive component and the inner drive component; when the outer drive component is energized, the end opposite to the inner trigger block is magnetically attracted, and when the inner drive component is energized, the end opposite to the inner trigger block is magnetically repelled.

[0010] In the above technical solution, further, the external drive assembly also includes: The inner support shell is coaxially arranged in the outer support shell, and a sliding cavity is formed inside the inner support shell. The inner drive rod is located in the inner support shell, and the inner floating plug is slidably matched with the sliding cavity. The inner clamping cylinder is coaxially arranged in the outer shell and sleeved outside the inner supporting shell, and the two ends are sealed and connected with the outer wall of the inner supporting shell; An external joint is fixedly arranged on the outer supporting shell, extends into the outer supporting shell and communicates with the interior of the inner clamping cylinder; The inner driving component and the outer driving component are both sleeved on the outer wall of the inner supporting shell, and a vent hole connected with the inner clamping tube is arranged in the middle of the outer wall of the inner supporting shell, wherein the vent hole is located on the side close to the outer driving component.

[0011] In the above technical solution, further, the external drive assembly also includes: Two inner elastic support members are respectively arranged at two ends of the inner support shell, sleeved on the inner driving rod, and can respectively abut against the inner floating plug.

[0012] In the above technical solution, further, the inner clamping tube includes: Two end clamping parts are located on both sides and are abutted against and fixedly connected to the outer wall of the inner support shell; The middle support portion is integrally formed between the two end clamping portions and forms a receiving cavity between the middle support portion and the outer wall of the inner support shell; The outer joint is communicated with the receiving cavity, a clamping groove is formed on the inner side of the end clamping portion, and a sealing member is arranged on the clamping groove.

[0013] In the above technical solution, further, the outer driving component and the inner driving component are respectively sleeved on two sides outside the inner supporting shell.

[0014] The beneficial effects of the present invention are: 1. The setting of the elimination device can eliminate the wrinkles on the surface of the film when the film is rolled up, thereby improving the quality of the produced film; 2. The setting of the flattening roller mechanism enables the device to exit and enter the flattening mode at any time, so that even if the path of the film changes when changing the roll, the film will not be broken, and the continuity of production can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the first viewing angle of the present invention; Figure 2 It is a structural schematic diagram of the second viewing angle of the present invention; Figure 3 is a side view of the present invention; Figure 4 yes Figure 3 A partial enlarged view of point Ⅰ in the middle; Figure 5 It is a schematic diagram of the structure of the external drive assembly of the present invention; Figure 6 It is the installation schematic diagram of the present invention; Figure 7 It is a schematic diagram of the operation of the present invention; the markings in the figure are: 1-support plate, 2-drive motor, 3-drive roller, 4-lateral drive, 5-receiving roller shaft, 6-receiving roller, 7-receiving retaining block, 8-end connecting piece, 9-receiving groove, 10-inner receiving bar, 11-support bar, 12-guide roller, 13-outer support shell, 14-inner drive rod, 15-inner floating plug, 16-inner trigger block, 17-outer drive component, 18-inner drive component, 19-inner support shell, 20-inner clamping cylinder, 21-outer joint, 22-vent, 23-inner elastic support, 24-seal; 100-winding roller, 101-film to be wound, 102-mounting bracket. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0018] Embodiment 1: This embodiment provides a device for eliminating surface wrinkles of a film winding, comprising: A bracket with a vertically arranged support plate 1; A driving roller mechanism is arranged on the supporting plate 1; A leveling roller mechanism, which is arranged on the support plate 1 and cooperates with the driving roller mechanism; The driving roller mechanism includes: The driving motor 2 is mounted on one side of the supporting plate 1, with the driving end facing the supporting plate 1; The driving roller 3 is arranged on the other side of the supporting plate 1 and is drivingly connected to the driving end of the driving motor 2; The flattening roller mechanism cooperates with the driving roller 3 to flatten the surface of the film.

[0019] like Figure 7 As shown: two eliminating devices are symmetrically arranged on the front side of the winding roller 100, and the film 101 to be wound passes between the driving roller 3 and the flattening roller mechanism; wherein the axis of the eliminating device is inclined to the axis of the winding roller 100, so that the two sides of the film 101 to be wound passing between the two eliminating devices are stretched or unfolded outward to a certain extent, so as to achieve the effect of flattening the film and eliminating wrinkles.

[0020] And if Figure 6As shown: a mounting bracket 102 can be arranged at the bottom of the elimination device, and the mounting bracket 102 has a positioning hole and an adjusting slot, and the positioning hole and the adjusting slot are both provided with fastening bolts. The mounting bracket 102 can rotate to a certain extent through the positioning hole relative to the fastening bolt on the positioning hole, and after the rotation is adjusted to a certain angle, the fastening bolt on the adjusting slot is tightened to fix the elimination device. The setting of the mounting bracket can facilitate the adjustment of the inclination angle between the elimination device and the winding roller 101, that is, the angle direction of the elimination device guiding the film can be adjusted to achieve the adjustment of the leveling effect on the film.

[0021] In the present technical solution, the support plate 1 is vertically arranged with the winding roller 100, and the driving roller 3 is inclined with the winding roller 100; wherein the driving motor 2 is a servo motor, the driving roller 3 is used to fit with and guide one end surface of the passing film, and the leveling roller assembly fits with the other end surface of the passing film, thereby clamping the film passing through the elimination device and stretching or unfolding it to both sides of the film, thereby reducing the probability of wrinkles occurring during the film winding process.

[0022] Embodiment 2: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0023] The leveling roller mechanism includes: A transverse driver 4 is arranged on one side of the support plate 1 with the driving motor 2, and the driving end faces away from the support plate 1; The receiving roller shaft 5 is connected to the driving end of the transverse driver 4, passes through one side of the support plate 1 and extends out from the other side, and is arranged parallel to the driving roller 3; The receiving roller 6 is freely rotatably arranged on the receiving roller shaft 5 and can abut against the surface of the driving roller 3; And the film can pass between the receiving roller 6 and the driving roller 3.

[0024] In the technical solution, the transverse drive 4 can be a servo drive cylinder, a hydraulic drive cylinder or a cylinder; the transverse drive 4 drives the receiving roller 5 to run, and then drives the receiving roller 6 to move on the film on the surface of the driving roller 3 at an angle to the winding roller 100, so that the two sides of the film passing through the elimination device can be stretched or flattened away from the middle of the film to reduce the probability of wrinkles. The receiving roller 5 can play a good role in receiving and connecting between the receiving roller 6 and the transverse drive 4, and the transverse drive 4 drives the displacement of the receiving roller 5 to achieve the relative displacement of the receiving roller 6 on the surface of the driving roller 3. The film passes between the receiving roller 6 and the driving roller 3, and the driving motor drives the driving roller 3 to rotate, thereby guiding and pulling the film.

[0025] Embodiment 3: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0026] The leveling roller mechanism also includes: The receiving and holding block 7 is arranged on the supporting plate 1, and the receiving roller shaft 5 passes through the receiving and holding block 7 and slides in cooperation; The end connecting member 8 is arranged at the end of the receiving roller shaft 5 and connects the receiving roller shaft 5 with the driving end of the transverse driver 4; The support plate 1 is provided with a placement groove 9 for the receiving and holding block 7 to be placed, and the receiving and holding block 7 can slide on the placement groove 9 .

[0027] In the present technical solution, the receiving block is arranged on the support plate 1, and is used to support the receiving roller 5, and ensure the stable operation of the receiving roller 5, and prevent the receiving roller 5 from being separated from the support plate 1; and the setting of the end connecting piece 8 can better connect the receiving roller 5 with the driving end of the transverse driver 4, and transmit the transverse stretching force of the transverse driver 4 to the receiving roller 5, so that the receiving roller 6 can reciprocate with the driving roller 3 at a position parallel to the axial direction of the driving roller 3, and the receiving roller 5 can slide on the end connecting piece 8, so that the receiving roller 6 can move closer to or away from the driving roller 3, thereby clamping or releasing the film. Since the receiving holding block 7 slides with the placement groove 9, the receiving roller 5 moves closer to or away from the driving roller 3 during the sliding process of the receiving holding block 7. In order to ensure the smooth displacement of the end connecting piece 8, two guide rods that slide with the end connecting piece 8 can be arranged on the support plate 1.

[0028] Embodiment 4: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0029] The leveling roller mechanism also includes: The external driving assembly is fixed on the supporting plate 1 and the driving end is connected to the receiving and holding block 7, and drives the receiving and holding block 7 to slide on the placement groove 9; A receiving and holding assembly is arranged between the placement groove 9 and the receiving and holding block 7; The receiving and retaining components include: Two inner receiving strips 10 are respectively fixedly arranged on the upper and lower sides of the receiving and holding block 7; Two external support bars are fixed on the upper and lower sides of the placement groove 9 respectively; The inner receiving bar 10 is in the shape of an elongated strip, and a sliding groove with a convex cross-section is formed on the side away from the receiving and retaining block 7; and the inner receiving bar 10 cooperates with the outer receiving bar and can slide on the outer receiving bar.

[0030] In this technical solution, the external drive assembly provides a power source for the receiving and holding block 7 to slide on the placement groove 9. The external drive assembly can better realize the movement of the receiving roller 6 to fit or move away from the receiving roller 6, so that the elimination device can enter or exit the flattening mode at any time. The setting of the receiving and holding assembly can enable the receiving and holding block 7 to slide smoothly on the placement groove 9; and the inner receiving bar 10 has a convex sliding groove, which can better cooperate with the outer receiving bar.

[0031] Embodiment 5: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0032] External joints include: The support bar 11 is in the form of a long strip; A plurality of guide rollers 12 are equidistantly distributed on the support bar 11 and can rotate freely; The guide roller 12 is located in the sliding groove and is rotatably matched with the side wall in the sliding groove.

[0033] In the present technical solution, a plurality of protrusions equal to the number of guide rollers 12 are formed on the support bar 11, and the guide rollers 12 are fixed on the protrusions, so as to play the role of raising the guide rollers 12 so that the guide rollers 12 can be in the sliding groove; and the sliding cooperation between the guide rollers 12 and the sliding groove can ensure that the inner support bar 10 can slide back and forth on the outer support bar, and at the same time ensure smooth sliding. The inner support bar 10 and the support bar 11 are fixed by bolts.

[0034] Embodiment 6: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0035] The external drive components include: The outer support shell 13 is fixedly disposed on the support plate 1 and has a receiving cavity formed therein; The inner driving rod 14 is disposed in the outer supporting shell 13 and extends out of the outer supporting shell 13, and one end portion extending out of the outer supporting shell 13 is fixedly connected to the receiving and holding block 7; An inner floating plug 15 is fixed to one end of the inner driving rod 14 located inside the outer supporting housing 13; An inner trigger block 16 is fixedly disposed in the inner floating plug 15; The outer driving component 17 is disposed in the outer supporting shell 13 and is located near the end where the inner driving rod 14 extends; The inner driving component 18 is disposed in the outer supporting shell 13 and is located at an end extending away from the inner driving rod 14; The inner trigger block 16 is a strong magnet, the outer drive component 17 and the inner drive component 18 are both electromagnetic coils, and the inner floating plug 15 is normally located between the outer drive component 17 and the inner drive component 18; when the outer drive component 17 is energized, the end opposite to the inner trigger block 16 is magnetically attracted, and when the inner drive component 18 is energized, the end opposite to the inner trigger block 16 is magnetically repelled.

[0036] In the present technical solution, one side of the outer support shell 13 is fixedly connected to the support plate 1; one end of the inner drive rod 14 is connected to the receiving and holding block 7, and the inner floating piston is used to drive the inner drive rod 14 to move on the outer support shell 13; the outer floating plug can be made of hard rubber, and the inner trigger block 16 can be integrally formed in the inner floating plug 15 by integral molding or other feasible methods; then, when the receiving roller 6 needs to be pressed against the driving roller 3, the outer driving component 17 and the inner driving component 18 are energized, and the inner floating piston is displaced toward the end of the outer support shell 13 where the inner drive rod 14 extends through the magnetic force, so that the inner drive rod 14 extends out of the outer support shell 13, and drives the receiving and holding block 7 to move, and finally drives the receiving roller shaft 5 and the receiving roller 6 on the receiving roller shaft 5 to move. When the receiving roller 6 is not needed to be pressed against the driving roller 3, the power supply to the outer driving component 17 and the inner driving component 18 is cut off.

[0037] Embodiment 7: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0038] The external drive assembly also includes: The inner support shell 19 is coaxially arranged in the outer support shell 13, and a sliding cavity is formed inside the inner support shell 19. The inner drive rod 14 is located in the inner support shell 19, and the inner floating plug 15 is slidably matched with the sliding cavity; The inner clamping cylinder 20 is coaxially arranged in the outer shell and sleeved outside the inner supporting shell 19, and both ends are sealed and connected to the outer wall of the inner supporting shell 19; The outer connector 21 is fixedly mounted on the outer support shell 13 and extends into the outer support shell 13 and communicates with the interior of the inner clamping tube 20; The inner driving component 18 and the outer driving component 17 are both sleeved on the outer wall of the inner supporting shell 19, and a vent hole 22 connected to the inner clamping tube 20 is provided in the middle of the outer wall of the inner supporting shell 19, wherein the vent hole 22 is located on the side close to the outer driving component 17.

[0039] In the present technical scheme, the inner supporting shell 19 is used to provide space for the sliding of the inner floating piston, while the inner clamping cylinder 20 forms a closed annular column space outside the inner supporting shell 19, and a three-way valve can be connected to the outside of the external joint 21 through a pipeline, through which compressed air can be delivered to the inner clamping cylinder 20 and the inner supporting shell 19 or the compressed air in the inner clamping cylinder 20 or the inner supporting shell 19 can be discharged; through the setting of the hole, the compressed air in the inner clamping cylinder 20 can be discharged to the inner supporting cylinder and located at the end of the inner floating plug 15 extending from the inner driving rod 14, so that when high-pressure air is delivered to the external joint 21, the floating piston can be pushed toward the end of the inner supporting shell 19 extending away from the inner driving rod 14, so that the receiving roller 6 is away from the driving roller 3, and then the film between the driving roller 3 and the receiving roller 6 is released, so that the elimination device can exit the flattening mode at any time, so that even if the path of the film changes during the roll change, the film will not be broken, and the continuity of production can be guaranteed. At the same time, by setting the positions of the inner supporting shell 19, the inner clamping cylinder 20 and the vent hole 22, the good maneuverability of the outer drive assembly is ensured while improving its overall compactness, so that it is suitable for application on different winding devices.

[0040] Embodiment 8: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0041] The external drive assembly also includes: Two inner elastic support members 23 are respectively arranged at two ends of the inner support shell 19 , and are sleeved on the inner driving rod 14 , and can respectively abut against the inner floating plug 15 .

[0042] In the present technical solution, the setting of the internal elastic support member 23 can not only ensure the good resetting of the internal floating plug 15, but also limit the resetting position of the internal floating piston during the resetting process of the internal floating piston, so as to better allow the internal floating plug 15 to move when the external drive assembly and the internal drive assembly are energized next time.

[0043] Embodiment 9: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0044] The inner clamping cylinder 20 comprises: Two end clamping parts are located on both sides and abut against and fixedly connected to the outer wall of the inner support shell 19; The middle support portion is integrally formed between the two end clamping portions and forms a receiving cavity between the middle support portion and the outer wall of the inner support shell 19; The outer joint 21 is communicated with the receiving cavity, a clamping groove is formed on the inner side of the end clamping portion, and a sealing member 24 is provided on the clamping groove.

[0045] In the present technical solution, the end clamping portion can ensure that the inner clamping tube 20 is better fixed outside the inner support shell 19, while the middle support portion is used to form a receiving cavity, and a clamping groove and a seal 24 are arranged on the end clamping portion, thereby improving the sealing of the connection between the inner clamping tube 20 and the inner support shell 19.

[0046] Embodiment 10: This embodiment provides a device for eliminating surface wrinkles of a film winding, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0047] The outer driving component 17 and the inner driving component 18 are respectively sleeved on two sides of the inner supporting shell 19 .

[0048] In the present technical solution, the design can reduce the interference of internal and external components on the external driving component 17 and the internal driving component 18; and in order to further reduce the interference on the internal driving component 18 and the external driving component 17, the outer supporting shell 13, the inner supporting shell 19 and the inner clamping cylinder 20 can all be made of non-magnetic alloys or engineering plastics.

[0049] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A device for eliminating surface wrinkles of film winding, characterized in that: include: A support frame with a vertically arranged support plate (1); A driving roller mechanism, arranged on the support plate (1); A leveling roller mechanism, arranged on the support plate (1); The driving roller mechanism includes: A driving motor (2) is mounted on one side of the support plate (1), with the driving end facing the support plate (1); A driving roller (3) is arranged on the other side of the support plate (1) and is connected to the driving end of the driving motor (2); The flattening roller mechanism cooperates with the driving roller (3) to flatten the surface of the film.

2. The device for eliminating surface wrinkles of a film roll according to claim 1, characterized in that: The leveling roller mechanism comprises: A transverse driver (4) is arranged on a side of the support plate (1) with the drive motor (2), with the drive end facing away from the support plate (1); A receiving roller shaft (5) is connected to the driving end of the transverse driver (4), passes through one side of the support plate (1) and extends out from the other side; A receiving roller (6) is freely rotatably arranged on the receiving roller shaft (5) and can abut against the surface of the driving roller (3); The film can pass between the receiving roller (6) and the driving roller (3).

3. The device for eliminating surface wrinkles of a film roll according to claim 2, characterized in that: The leveling roller mechanism further comprises: A receiving and holding block (7) is arranged on the support plate (1), and the receiving roller shaft (5) passes through the receiving and holding block (7); An end connecting member (8) is arranged at the end of the receiving roller shaft (5) and connects the receiving roller shaft (5) and the driving end of the transverse driver (4); The support plate (1) is provided with a placement groove (9) for placing the receiving and retaining block (7), and the receiving and retaining block (7) can slide on the placement groove (9).

4. The device for eliminating surface wrinkles of a film roll according to claim 3, characterized in that: The leveling roller mechanism further comprises: An external drive assembly is fixed on the support plate (1) and has a drive end connected to the receiving and retaining block (7), and drives the receiving and retaining block (7) to slide on the placement groove (9); A receiving and retaining assembly, arranged between the placement groove (9) and the receiving and retaining block (7); The receiving and holding component comprises: Two inner receiving strips (10) are respectively fixedly arranged on the upper and lower sides of the receiving and retaining block (7); Two external support bars are respectively fixed on the upper and lower sides of the placement groove (9); The inner receiving strip (10) is in the shape of an elongated strip, and a sliding groove with a convex cross-section is formed on the side away from the receiving retaining block (7); and the inner receiving strip (10) cooperates with the outer receiving strip and can slide on the outer receiving strip.

5. The device for eliminating surface wrinkles of a film roll according to claim 4, characterized in that: The outer connecting strip comprises: The support bar (11) is in the form of a long strip; A plurality of guide rollers (12) are equidistantly distributed on the support bar (11) and are freely rotatable; The guide roller (12) is located in the sliding groove and is rotatably matched with the sliding groove.

6. The device for eliminating surface wrinkles of a film roll according to claim 4, characterized in that: The external drive assembly comprises: An outer support shell (13) is fixedly arranged on the support plate (1) and has a receiving cavity formed therein; An inner driving rod (14) is disposed in the outer supporting shell (13) and extends out of the outer supporting shell (13) to be fixedly connected to the receiving and holding block (7); An inner floating plug (15) is fixed to one end of the inner driving rod (14) located inside the outer supporting housing (13); An inner trigger block (16) is fixedly arranged in the inner floating plug (15); An external driving component (17) is disposed in the outer supporting shell (13) and is located close to an end extending from the inner driving rod (14); An inner driving component (18) is disposed in the outer supporting shell (13) and is located at an end extending away from the inner driving rod (14); The inner trigger block (16) is a strong magnet, the outer drive component (17) and the inner drive component (18) are electromagnetic coils, and the inner floating plug (15) is located between the outer drive component (17) and the inner drive component (18) under normal conditions; when the outer drive component (17) is energized, the end opposite to the inner trigger block (16) is magnetically attracted, and when the inner drive component (18) is energized, the end opposite to the inner trigger block (16) is magnetically repelled.

7. The device for eliminating surface wrinkles of a film roll according to claim 6, characterized in that: The external drive assembly further comprises: An inner support shell (19) is coaxially arranged in the outer support shell (13), and a sliding cavity is formed inside the inner support shell. The inner drive rod (14) is located in the inner support shell (19), and the inner floating plug (15) is slidably matched with the sliding cavity. An inner clamping cylinder (20) is coaxially arranged in the outer shell and sleeved outside the inner supporting shell (19), and both ends are sealedly connected to the outer wall of the inner supporting shell (19); An external joint (21) is fixedly mounted on the outer supporting shell (13), extends into the outer supporting shell (13) and communicates with the interior of the inner clamping cylinder (20); The inner driving component (18) and the outer driving component (17) are both sleeved on the outer wall of the inner supporting shell (19), and a vent hole (22) communicating with the inner clamping cylinder (20) is provided in the middle of the outer wall of the inner supporting shell (19), wherein the vent hole (22) is located on a side close to the outer driving component (17).

8. The device for eliminating surface wrinkles of a film roll according to claim 7, characterized in that: The external drive assembly further comprises: Two inner elastic support members (23) are respectively arranged at two ends of the inner support shell (19), and are sleeved on the inner drive rod (14), and can respectively abut against the inner floating plug (15).

9. The device for eliminating surface wrinkles of a film roll according to claim 8, characterized in that: The inner clamping cylinder (20) comprises: Two end clamping parts are located on both sides and abut against and are fixedly connected to the outer wall of the inner support shell (19); A middle support portion, which is integrally formed between the two end clamping portions and forms a receiving cavity between the middle support portion and the outer wall of the inner support shell (19); The external joint (21) is connected to the receiving cavity, a clamping groove is formed on the inner side of the end clamping portion, and a sealing member (24) is provided on the clamping groove.

10. The device for eliminating surface wrinkles of a film roll according to claim 9, characterized in that: The outer driving component (17) and the inner driving component (18) are respectively sleeved on two sides of the outer side of the inner supporting shell (19).

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