Edge film winding device of splitting machine

Abstract

The utility model provides a splitting machine edge film winding device which comprises a winding chuck, winding discs, glands and fasteners, the two ends of the winding chuck are respectively connected with the winding discs in a clamping mode, the glands are arranged on the sides, deviating from the winding chuck, of the winding discs, and the fasteners are connected with the glands, the winding discs and the winding chuck in a fastening mode. According to the edge film winding device, the connection stability of the whole structure is improved, and meanwhile the outage rate caused by faults of the edge film winding device of the splitting machine is reduced. Therefore, the stability of the production process is guaranteed, the production efficiency and the film quality are improved, and personal injury accidents and equipment damage accidents possibly caused by falling of the winding disc and the winding chuck are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting machine winding equipment, and more specifically to a slitting machine edge film winding device. Background Art

[0002] During the winding process of the edge film of polyester film products, the film is constantly wrapped around the winding chuck and piled up and squeezed on both sides. As the diameter of the film roll becomes larger and the weight continues to increase, the centrifugal force of the film roll will also become larger and larger. In the prior art, the winding chuck and the winding disk are fixedly connected by screws alone. The connection between the winding chuck and the winding disk is unevenly stressed under high-speed rotation, causing multiple fastening screws at the connection to break, causing abnormal conditions in the equipment. In severe cases, the winding chuck and the winding disk will fall off from each other. Damage to the winding disk causes film breakage and shutdown, affecting the yield and quality of the film. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The technical problem to be solved by the utility model is that the connection between the winding chuck and the winding disk is subjected to uneven force under high-speed rotation, resulting in the breakage of multiple fastening screws at the connection, causing abnormal conditions in the equipment, thereby affecting the yield and quality of the film.

[0005] (II) Technical solution

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The utility model provides a film winding device for a slitting machine, comprising a winding chuck, a winding reel, a pressure cover and a fastener, wherein the two ends of the winding chuck are respectively clamped with the winding reel, and the pressure cover is provided on the side of each winding reel away from the winding chuck, and the fastener fastens the pressure cover, the winding reel and the winding chuck.

[0008] Preferably, the winding chuck comprises a first cylinder and a second cylinder, wherein the first cylinder and the second cylinder are mutually engaged. The first cylinder and the second cylinder are mutually engaged when the device is running to realize synchronous rotation, and are separated from each other when the device stops.

[0009] Preferably, the first cylinder is a conical cylinder, and the second cylinder is a conical cylinder.

[0010] Preferably, a boss is provided at the end of the winding chuck, and a center hole is provided at the winding disc, and the boss is cooperatively connected with the center hole.

[0011] Preferably, the gland is provided with a countersunk through hole, the winding disc is provided with a positioning hole, the end of the winding chuck is provided with a threaded hole, the fastener passes through the countersunk through hole and the positioning hole, and is threadedly connected with the threaded through hole.

[0012] Preferably, the gland is further provided with a threaded top screw hole.

[0013] Preferably, the diameter of the gland is 220 mm, the center of the countersunk through hole and the center of the threaded top screw hole are located on the same center circle, and the diameter of the center circle is 200 mm.

[0014] Preferably, there are six countersunk through holes, and the six countersunk through holes are evenly spaced along the circumference of the gland.

[0015] Preferably, the fastener is a screw, and the thread diameter of the screw is 8 mm.

[0016] Preferably, the winding reel is an aluminum reel.

[0017] (III) Beneficial effects

[0018] The above technical solution of the utility model has at least the following advantages: due to the provision of a pressure cover, the pressure cover and the winding chuck are respectively provided on both sides of the winding disk, which can well limit the winding disk and prevent the winding disk from swinging along the axial direction, thereby effectively avoiding the situation where the connection between the winding chuck and the winding disk is unevenly stressed and causes the fastening to break. The number of times that components need to be replaced due to damage is greatly reduced, the purchase cost of damaged components is reduced, and the downtime rate due to failure of the edge film winding device of the slitting machine is reduced. In this way, the stability of the production process is ensured, the production efficiency and film quality are improved, and personal injury accidents and equipment damage accidents that may be caused by the falling off of the winding disk and the winding chuck are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a structural schematic diagram of the edge film winding device of the slitting machine provided in an embodiment of the utility model.

[0021] Figure 2 It is a schematic diagram of the structure of the gland provided in the embodiment of the utility model.

[0022] Figure 3 It is a structural schematic diagram of a winding chuck provided in an embodiment of the utility model.

[0023] The reference numerals in the figures are:

[0024] 1. Winding chuck; 2. Winding aluminum plate; 3. Pressure cover; 4. Fastener; 11. First cylinder; 12. Second cylinder; 13. Boss; 14. Threaded hole; 21. Positioning hole; 111. Connecting hole; 112. Keyway; 32. Countersunk through hole; 33. Threaded top screw hole. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly located on the other element or indirectly located on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element.

[0027] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention, and do not indicate that a device or element must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The following is a more detailed description of the specific implementation of the present utility model in conjunction with specific embodiments:

[0029] like Figure 1 and Figure 2As shown, the embodiment of the utility model provides a film winding device for a slitting machine, comprising a winding chuck 1, a winding reel 2, a pressure cover 3 and a fastener 4, wherein the two ends of the winding chuck 1 are respectively clamped with the winding reel 2, and a pressure cover 3 is provided on the side of each winding reel 2 away from the winding chuck 1, and the fastener 4 is fastened to the pressure cover 3, the winding reel 2 and the winding chuck 1. Specifically, the two ends of the winding chuck 1 are respectively a driving end and an operating end, and the driving end and the operating end are respectively connected with a pressure cover 3, wherein the driving side is used to connect with the driving device on the slitting machine to realize the rotation drive of the winding chuck 1, and the pressure cover 3 is preferably made of aluminum, which is easy to process while meeting the strength. Due to the provision of the pressure cover 3, the pressure cover 3 and the winding chuck 1 are respectively arranged on both sides of the winding reel 2, the winding reel 2 can be well limited to prevent the winding reel from swinging along the axial direction, and thus the connection between the winding chuck 1 and the winding reel 2 can be effectively prevented from being unevenly stressed and causing the fastening 4 to break.

[0030] As one of the optional implementations of this embodiment, the winding chuck 1 includes a first cylinder 11 and a second cylinder 12, and the first cylinder 11 and the second cylinder 12 are clamped with each other to facilitate disassembly and installation.

[0031] As one of the optional implementations of this embodiment, the first cylinder 11 is a conical cylinder, and the second cylinder 12 is a conical cylinder.

[0032] As one of the optional implementations of this embodiment, a boss 13 is provided at the end of the winding chuck 1, and a center hole is provided on the winding disc 2, and the boss 13 is matched and connected with the center hole.

[0033] As one of the optional implementations of this embodiment, the pressure cover 3 is provided with a countersunk through hole 32, the winding disk 2 is provided with a positioning hole 21, the end of the winding chuck 1 is provided with a threaded hole 14, the fastener 4 passes through the countersunk through hole 32 and the positioning hole 21, and is threadedly connected to the threaded through hole 14.

[0034] As an optional implementation of this embodiment, the gland 3 is further provided with a threaded top screw hole 33 .

[0035] As one of the optional implementations of this embodiment, the diameter D of the gland 3 is 220 mm, the center of the countersunk through hole 32 and the center of the threaded top screw hole 33 are located on the same center circle, and the diameter d of the center circle is 200 mm.

[0036] As one of the optional implementations of this embodiment, there are six countersunk through holes 32, and the six countersunk through holes 32 are evenly spaced along the circumference of the gland 3. The six countersunk through holes 32 are used to install screws, and the countersunk design can ensure that the nut of the screw can be flush with the surface of the gland 2.

[0037] As one of the optional implementations of this embodiment, the fastener 4 is a screw, and the thread diameter of the screw is 8 mm. The preferred specification of the screw is M8, which has higher structural rigidity than M6 screws, which helps to further improve the stability of the connection.

[0038] As one of the optional implementations of this embodiment, the winding reel 2 is an aluminum reel. Aluminum is light in weight, and high-strength aluminum has high material strength. Under the premise of reducing the total weight of the material, the strength of the material can be effectively improved.

[0039] like Figure 3 As shown, the first cylinder 11 has a similar structure to the second cylinder 12. The first cylinder 11 is provided with a connection hole 111 corresponding to the position of the countersunk through hole 32. The fastener 4 can be connected to the countersunk through hole 32 and the connection hole 111 to achieve the connection between the first cylinder 11, the winding disk 2 and the gland 3. A keyway 112 is provided at the end of the first cylinder 11, and the keyway 112 is used to cooperate with the transmission shaft of the slitting machine to achieve power transmission.

[0040] Furthermore, the present invention was tested on site on the 1728HLG line and the Universal 64 / 12TF line of the Kampf slitting machine, and the film thickness and production speed were selected as follows:

[0041] Film thickness Production speed Production speed

[0042] 75 microns 200 m / min 300 m / min

[0043] 125 microns 150 m / min 180 m / min

[0044] The replacement cycle of the winding reel and fixing screws of the slitting machine in the prior art is about 1 month. The present embodiment was applied to the transformation of the 1728HLG production line on November 3, 2022. After the transformation, the equipment has been put into use for more than 18 months. No equipment damage has been found so far, and the test results have been successful and the effect is significant.

[0045] The slitting machine edge film winding device provided in this embodiment is not only simple in structure and easy to operate, but also only needs to be modified on the basis of the existing device, without excessive damage to the original equipment, and has a wide range of applications and is easy to adjust. This invention and modification can effectively avoid the phenomenon of uneven force at the connection between the winding chuck and the winding disk, resulting in screw breakage and damage to the winding aluminum disk, and reduce the downtime rate due to failure of the slitting machine edge film winding device, thereby improving production efficiency and film quality, and avoiding personal injury accidents and equipment damage accidents that may be caused by the falling off of the winding disk and winding chuck, so that production work can be carried out safely, smoothly and efficiently.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A film winding device for a slitting machine, characterized in that: It includes a winding chuck, a winding disk, a pressure cover and a fastener. The two ends of the winding chuck are respectively clamped with the winding disk, and the pressure cover is provided on the side of each winding disk away from the winding chuck. The fastener fastens the pressure cover, the winding disk and the winding chuck.

2. The slitting machine edge film winding device according to claim 1, characterized in that: The winding chuck comprises a first cylinder and a second cylinder, and the first cylinder and the second cylinder are clamped with each other.

3. The edge film winding device of the slitting machine according to claim 2, characterized in that: The first cylinder is a conical cylinder, and the second cylinder is a conical cylinder.

4. The slitting machine edge film winding device according to claim 1, characterized in that: A boss is arranged at the end of the winding chuck, a center hole is arranged on the winding disc, and the boss is matched and connected with the center hole.

5. The edge film winding device of the slitting machine according to claim 1, characterized in that: The gland is provided with a countersunk through hole, the winding disc is provided with a positioning hole, the end of the winding chuck is provided with a threaded hole, the fastener passes through the countersunk through hole and the positioning hole, and is threadedly connected with the threaded through hole.

6. The edge film winding device of the slitting machine according to claim 5, characterized in that: The gland is also provided with a threaded top screw hole.

7. The edge film winding device of the slitting machine according to claim 6, characterized in that: The diameter of the gland is 220 mm, the center of the countersunk through hole and the center of the threaded top screw hole are located on the same center circle, and the diameter of the center circle is 200 mm.

8. The edge film winding device of the slitting machine according to claim 5, characterized in that: There are six countersunk through holes, and the six countersunk through holes are evenly spaced along the circumference of the gland.

9. The edge film winding device of the slitting machine according to claim 1, characterized in that: The fastener is a screw, and the thread diameter of the screw is 8 mm.

10. The edge film winding device of the slitting machine according to claim 1, characterized in that: The winding reel is an aluminum reel.

Images