Mylar film cutting device

Abstract

The utility model discloses a Mylar film cutting device which comprises a supporting table, a limiting assembly is arranged on the inner side of the supporting table, a cutting assembly is arranged at the upper end of the supporting table, a fixed blocking frame is unlocked by unscrewing a locking screw, and therefore the cutting width of two sets of cutting knives can be adjusted in a matched mode according to the cutting requirement. When a fixed screw rod is unscrewed and disassembled, a limiting cover can be disassembled and taken down, and at the moment, an electric telescopic rod is controlled to drive a bearing seat to descend, so that a cutting knife can be moved backwards, disassembled and replaced, and first limiting baffle rings are symmetrically arranged on the front side and the rear side of the annular side face of a feeding limiting roller in a sleeving mode; according to the Mylar film cutting machine, the feeding limiting roller is symmetrically sleeved with the first limiting baffle rings, so that the feeding limiting roller can limit and guide an uncut Mylar film, the front side and the rear side of the annular side face of the discharging limiting roller are symmetrically sleeved with the second limiting baffle rings, the discharging limiting roller can limit and guide the cut Mylar film, and therefore the phenomenon that the Mylar film deviates in the cutting process is avoided; therefore, the cutting precision of the mylar film is ensured.

Description

Technical Field

[0001] This utility model relates to the field of Mylar film cutting technology, specifically to a Mylar film cutting device. Background Technology

[0002] Mylar film is a type of polyester film commonly used for bundling motor coils. During the production and processing of Mylar film, a cutting device is needed to trim the two sides of the Mylar film to cut it to the required width for subsequent processing.

[0003] While existing Mylar film cutting devices can simultaneously trim both sides of the Mylar film using two sets of cutting blades, the two sets of cutting blades are integrated with the drive shaft. This means the distance between the two sets of cutting blades is not adjustable, limiting the Mylar film width to a specified value. Operators cannot adjust the cutting width of the two sets of cutting blades according to processing requirements, significantly restricting the device's applicability. Furthermore, when the cutting blades, being integrated with the drive shaft, wear occurs, the entire drive shaft must be replaced, increasing maintenance costs for manufacturers. Additionally, existing cutting devices have poor limiting effect on the Mylar film, easily causing it to shift during the cutting process, thus affecting the cutting accuracy. Utility Model Content

[0004] The purpose of this invention is to provide a Mylar film cutting device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A melanin film cutting device includes a support platform, a melanin film inserted above the support platform, a limiting component provided inside the support platform for limiting the melanin film, and a cutting component provided at the upper end of the support platform for cutting the melanin film.

[0007] Preferably, the cutting assembly includes a drive motor, a support side plate, a transmission shaft, a cutting blade, a fixed baffle, and a support roller. The support side plate is fixedly connected to the upper surface of the support platform, the drive motor is installed on the side of the support side plate, the transmission end of the drive motor is installed with a transmission shaft, the cutting blade is fitted on the outer surface of the transmission shaft, the fixed baffle is installed on the side of the cutting blade, and the support roller is installed inside the support platform.

[0008] Preferably, the rear end of the drive shaft is provided with an extension shaft, the rear end face of the support platform is fixedly connected with an extension support plate, the upper end face of the extension support plate is equipped with an electric telescopic rod, the upper end of the electric telescopic rod is equipped with a support seat, and the upper end face of the support seat is equipped with a limit cover.

[0009] Preferably, the limiting assembly includes an infeed limiting roller, a first limiting stop ring, an outfeed limiting roller, and a second limiting stop ring. An infeed limiting roller is installed on the right side inside the support platform. The first limiting stop ring is symmetrically fitted on the front and rear sides of the annular side of the infeed limiting roller. An outfeed limiting roller is installed on the left side inside the support platform. The second limiting stop ring is symmetrically fitted on the front and rear sides of the annular side of the outfeed limiting roller.

[0010] Preferably, the first limiting ring has a first internal threaded through hole on its annular side, and a first fixing screw is installed inside the first internal threaded through hole; the second limiting ring has a second internal threaded through hole on its annular side, and a second fixing screw is installed inside the second internal threaded through hole.

[0011] Preferably, both the support and the limiting cover have limiting grooves on their front ends, and the limiting grooves match the extension shaft. The upper end face of the support has symmetrically opened mounting threaded holes on the left and right sides. The limiting cover has symmetrically installed fixing screws on the left and right sides inside. The lower end face of the support has a follow-up vertical rod on the right side.

[0012] Preferably, the upper end face of the fixed baffle is provided with an internal thread through hole, and a locking screw is installed inside the internal thread through hole. The cutting blade is in contact with the support roller. The drive shaft is cuboid in shape, and a guide cavity is provided at the bottom of the support platform.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. By loosening the locking screw to release the lock on the fixed frame, the cutting width of the two sets of cutting blades can be matched and adjusted according to the cutting requirements, thereby improving the applicability of the cutting blades. After loosening and disassembling the fixing screw, the limit cover can be removed. Then, by controlling the electric telescopic rod to lower the support, the fixed frame and the cutting blade can be moved backward and disassembled in sequence. This allows the worn cutting blade to be replaced separately without replacing the drive shaft together, thereby reducing the later maintenance cost of this device.

[0015] 2. By symmetrically mounting first limiting rings on both the front and rear sides of the annular side of the feeding limiting roller, the feeding limiting roller can limit and guide the uncut Mylar film. By symmetrically mounting second limiting rings on both the front and rear sides of the annular side of the sending limiting roller, the sending limiting roller can limit and guide the cut Mylar film. This prevents the Mylar film from shifting during the cutting process, thus ensuring the cutting accuracy of the Mylar film. Furthermore, when the first fixing screw is loosened, the distance between the two sets of first limiting rings can be adjusted, and when the second fixing screw is loosened, the distance between the two sets of second limiting rings can be adjusted, thereby improving the applicability of the sending limiting roller and the feeding limiting roller. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a structural diagram of the limiting component and the cutting component in this utility model;

[0018] Figure 3 This is a schematic diagram showing the exploded state of the cutting blade and drive shaft in this utility model;

[0019] Figure 4 This is a structural diagram of the support and limiting cover in this utility model;

[0020] Figure 5 This is a schematic diagram of the explosion state of the limiting component in this utility model.

[0021] In the diagram: 1. Support platform; 2. Mylar film; 3. Limiting assembly; 31. Feeding limiting roller (31); 32. First limiting retaining ring; 321. First fixing screw; 322. First internal thread through hole; 33. Feeding limiting roller; 34. Second limiting retaining ring; 341. Second fixing screw; 342. Second internal thread through hole; 4. Cutting assembly; 41. Drive motor; 42. Support side plate; 43. Drive shaft; 44. Cutting blade; 45. Fixed retaining frame; 451. Locking screw; 452. Internal thread through hole; 46. Support roller; 47. Follow-up vertical rod; 48. Electric telescopic rod; 49. Support seat; 491. Limiting groove; 492. Mounting threaded hole; 493. Fixing screw; 411. Limiting cover; 412. Extension shaft; 413. Extension support plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5 This utility model provides a technical solution:

[0024] Example 1:

[0025] A Mylar film cutting device includes a support platform 1, with a Mylar film 2 inserted above the support platform 1. The right end of the Mylar film 2 is wound onto an external unwinding machine, while the left end is wound onto an external winding machine, facilitating continuous cutting of the Mylar film 2 by the device. A limiting component 3 is provided inside the support platform 1 to limit the Mylar film 2 and prevent it from shifting or loosening during the cutting process. A cutting component 4 is provided at the upper end of the support platform 1 to cut the Mylar film 2 to the required width. A guide cavity 11 is provided at the bottom of the support platform 1. The guide cavity 11 allows the cut Mylar film 2 waste to fall to the ground below for later collection and transfer by workers.

[0026] The cutting assembly 4 includes a drive motor 41, a support side plate 42, a transmission shaft 43, a cutting blade 44, a fixed baffle 45, and a support roller 46. The support side plate 42 is fixedly connected to the upper surface of the support platform 1, and is welded to the support platform 1. The support side plate 42 supports the drive motor 41. The drive motor 41 is mounted on the side of the support side plate 42 and is connected to an external control switch via wires. During operation, the drive motor 41 drives the cutting blade 44 to rotate, and the rotation direction of the cutting blade 44 is... Figure 1 and Figure 2 It has already been drawn in the middle.

[0027] A drive shaft 43 is mounted on the drive end of the drive motor 41. The drive shaft 43 is connected to the drive motor 41 via a coupling. The drive shaft 43 is cuboid in shape and can drive the cutting blade 44 to rotate synchronously. The cutting blade 44 is fitted on the outer surface of the drive shaft 43 and contacts the support roller 46. The cutting blade 44 in contact with the support roller 46 can trim the edges of the passing Mylar film 2. A fixed baffle 45 is mounted on the side of the cutting blade 44. The fixed baffle 45 matches the drive shaft 43 and is installed... There are multiple fixed baffles 45 of the same specification. The multiple fixed baffles 45 abut against the two sides of the two sets of cutting blades 44, thereby fixing the two cutting blades 44 at the required position on the outer surface of the drive shaft 43. The support platform 1 is equipped with a support roller 46. The support roller 46 has the ability to rotate. The rotatable support roller 46 can support and guide the Mylar film 2 so that the cutting blade 44 can trim the edge of the passing Mylar film 2. The support roller 46 is a detachable structure, which makes it convenient for the staff to replace it individually later.

[0028] An extension shaft 412 is provided at the rear end of the drive shaft 43. The extension shaft 412 and the drive shaft 43 are an integral structure. The extension shaft 412 can support the rear end of the drive shaft 43. An extension support plate 413 is fixedly connected to the rear end face of the support platform 1. The extension support plate 413 is connected to the support platform 1 by welding. The extension support plate 413 can support the electric telescopic rod 48. The electric telescopic rod 48 is installed on the upper end face of the extension support plate 413. The electric telescopic rod 48 is connected to an external control box through a wire. When working, the electric telescopic rod 48 can drive the support seat 49 to rise and fall. Since the internal detailed structure and working principle of the electric telescopic rod 48 are relatively mature technologies in the existing technology, they will not be described in detail here. The support seat 49 is installed on the upper end of the electric telescopic rod 48. A limit cover 411 is installed on the upper end face of the support seat 49. The support seat 49 and the limit cover 411 can support and limit the rear end of the extension shaft 412, thereby ensuring the rotational stability of the extension shaft 412.

[0029] Both the support 49 and the limiting cover 411 have limiting grooves 491 on their front ends, and the limiting grooves 491 match the extension shaft 412. The limiting grooves 491 facilitate the rear end of the extension shaft 412 being inside the support 49 and the limiting cover 411. The upper end face of the support 49 has symmetrically provided threaded holes 492 on the left and right sides. The limiting cover 411 has symmetrically provided fixing screws 493 on the left and right sides inside. The threaded holes 492 and fixing screws 493 facilitate the installation and removal of the limiting cover 411 by the operator. The lower end face of the support 49 has a follower vertical rod 47 on the right side. The top is connected to the lower end face of the support 49 by welding. The lower end of the follower vertical rod 47 is inserted inside the extension support plate 413. The follower vertical rod 47 will rise and fall with the support 49 to limit the support 49 and prevent the support 49 from shaking or shifting during the lifting and lowering process. The upper end face of the fixed baffle 45 is provided with an internal threaded through hole 452. A locking screw 451 is installed inside the internal threaded through hole 452. The internal threaded through hole 452 and the locking screw 451 can install and fix the fixed baffle 45 on the outer surface of the drive shaft 43 or disassemble it.

[0030] Example 2:

[0031] Based on Embodiment 1, in this embodiment, by symmetrically mounting first limiting rings 32 on the front and rear sides of the annular side of the feeding limiting roller 31, the feeding limiting roller 31 can limit and guide the uncut Mylar film 2. By symmetrically mounting second limiting rings 34 on the front and rear sides of the annular side of the sending limiting roller 33, the sending limiting roller 33 can limit and guide the cut Mylar film 2, thereby preventing the Mylar film 2 from shifting during the cutting process and ensuring the cutting accuracy of the Mylar film 2.

[0032] The limiting component 3 includes an infeed limiting roller 31, a first limiting ring 32, an outfeed limiting roller 33, and a second limiting ring 34. The infeed limiting roller 31 is installed on the right side inside the support platform 1. The infeed limiting roller 31 is a rotatable structure. The rotatable infeed limiting roller 31 can guide the uncut Mylar film 2. The first limiting ring 32 is symmetrically fitted on the front and rear sides of the annular side of the infeed limiting roller 31. There are two sets of first limiting rings 32, and the two sets of first limiting rings 32 are the same size. The distance between the two sets of first limiting rings 32 is the same as the front and rear width of the uncut Mylar film 2. The two sets of first limiting rings 32 enable the infeed limiting roller 31 to limit the Mylar film 2 and prevent the Mylar film 2 from shifting back and forth during the cutting process.

[0033] An outgoing limiting roller 33 is installed on the left side inside the support platform 1. The outgoing limiting roller 33 is a rotatable structure, which guides the cut Mylar film 2. Two sets of second limiting rings 34 are symmetrically fitted on the front and rear sides of the annular side of the outgoing limiting roller 33. The two sets of second limiting rings 34 are identical in size, and the distance between the two sets of second limiting rings 34 is the same as the distance between the two sets of cutting blades 44. The two sets of second limiting rings 34 enable the outgoing limiting roller 33 to limit the Mylar film 2, preventing the cut Mylar film 2 from shifting forward or backward during the outgoing process. A first internal threaded through hole 322 is provided on the annular side of a limiting ring 32. A first fixing screw 321 is installed inside the internal threaded through hole 322. The first internal threaded through hole 322 and the first fixing screw 321 can install and fix the first limiting ring 32 at the required position on the annular side of the feeding limiting roller 31. A second internal threaded through hole 342 is provided on the annular side of a second limiting ring 34. A second fixing screw 341 is installed inside the internal threaded through hole 342. The second internal threaded through hole 342 and the second fixing screw 341 can install and fix the second limiting ring 34 at the required position on the annular side of the feeding limiting roller 33.

[0034] Working principle: During the cutting of the Mylar film 2 using this device, the operator first loosens the first fixing screw 321 with an external wrench. At this time, the distance between the two sets of first limiting rings 32 can be adjusted to be the same as the front and back width of the uncut Mylar film 2. After adjustment, the first fixing screw 321 is tightened to fix the first limiting rings 32. Then, the locking screw 451 is loosened with an external wrench to release the locking of the fixed frame 45. At this time, the operator can adjust the two sets of cutting blades 44 according to the cutting requirements. After adjusting the cutting width, first bring the multiple fixed baffles 45 close to the two sets of cutting blades 44 until they are in contact. Then tighten the locking screws 451 to fix the multiple fixed baffles 45, so that the multiple fixed baffles 45 can block and position the two sets of cutting blades 44, preventing the cutting blades 44 from shifting back and forth during rotation. Next, loosen the second fixing screw 341 with an external wrench. At this time, the distance between the two sets of second limiting baffles 34 can be adjusted to be the same as the distance between the two sets of cutting blades 44. After adjustment, tighten the second fixing screw 341 to fix the second limit ring 34; then the staff will pass one end of the Mylar film 2 on the external unwinding machine through the lower side of the annular side of the feeding limit roller (31) 31, the upper side of the annular side of the support roller 46, and the lower side of the annular side of the feeding limit roller 33 and connect it to the external winding machine. Then start the drive motor 41, which will drive the two sets of cutting blades 44 to rotate together through the transmission shaft 43 to cut the edge of the Mylar film 2 in contact. At the same time, the extension support plate 413 will pass through the electric telescopic rod 48 to the support seat 49 The support seat 49 and the limiting cover 411 provide support and limit the rear end of the transmission shaft 43 through the extension shaft 412, thereby ensuring the rotational stability of the transmission shaft 43 and thus improving the cutting stability of the cutting blade 44. When the staff starts the external unwinding machine and the external winding machine, the rotating cutting blade 44 can continuously trim the edges of the Mylar film 2, thereby cutting the front and rear widths of the Mylar film 2 to the required width. During this process, the guide cavity 11 can guide the cut Mylar film 2 waste to the ground below, so that the staff can collect and transfer it later.

[0035] During the later use of this device, when the cutting blade 44 becomes worn and needs to be replaced, the operator first stops the drive motor 41, and then uses an external wrench to loosen and remove the fixing screw 493. At this time, the limit cover 411 can be removed. After the limit cover 411 is removed, the electric telescopic rod 48 is controlled to drive the support 49 to descend until the height of the upper surface of the support 49 is lower than the height of the upper surface of the support platform 1. At this time, the locking screw 451 is loosened with an external wrench, and the fixed baffle 45 and the cutting blade 44 can be moved backward and removed in sequence, so as to replace the worn cutting blade 44 individually.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A melanin film cutting device, comprising a support platform (1), characterized in that: A Mylar membrane (2) is inserted above the support platform (1). A limiting component (3) is provided inside the support platform (1), and the limiting component (3) is used to limit the Mylar membrane (2). A cutting component (4) is provided at the upper end of the support platform (1), and the cutting component (4) is used to cut the Mylar membrane (2). The cutting assembly (4) includes a drive motor (41), a support side plate (42), a transmission shaft (43), a cutting blade (44), a fixed baffle (45), and a support roller (46). The support side plate (42) is fixedly connected to the upper end of the support platform (1). The drive motor (41) is installed on the side of the support side plate (42). The transmission end of the drive motor (41) is equipped with a transmission shaft (43). The cutting blade (44) is fitted on the outer surface of the transmission shaft (43). The fixed baffle (45) is installed on the side of the cutting blade (44). The support roller (46) is installed inside the support platform (1).

2. The Mylar film cutting device according to claim 1, characterized in that: The transmission shaft (43) has an extension shaft (412) at its rear end. The support platform (1) has an extension support plate (413) fixedly connected to its rear end face. An electric telescopic rod (48) is installed on the upper end face of the extension support plate (413). A support seat (49) is installed on the upper end of the electric telescopic rod (48). A limit cover (411) is installed on the upper end face of the support seat (49).

3. The Mylar film cutting device according to claim 1, characterized in that: The limiting component (3) includes an infeed limiting roller (31), a first limiting stop ring (32), an outfeed limiting roller (33), and a second limiting stop ring (34). The infeed limiting roller (31) is installed on the right side inside the support platform (1). The first limiting stop ring (32) is symmetrically fitted on the front and rear sides of the annular side of the infeed limiting roller (31). The outfeed limiting roller (33) is installed on the left side inside the support platform (1). The second limiting stop ring (34) is symmetrically fitted on the front and rear sides of the annular side of the outfeed limiting roller (33).

4. A Mylar film cutting device according to claim 3, characterized in that: The first limiting ring (32) has a first internal thread through hole (322) on its annular side, and a first fixing screw (321) is installed inside the first internal thread through hole (322). The second limiting ring (34) has a second internal thread through hole (342) on its annular side, and a second fixing screw (341) is installed inside the second internal thread through hole (342).

5. A Mylar film cutting device according to claim 2, characterized in that: The front end faces of the support (49) and the limiting cover (411) are provided with limiting grooves (491), and the limiting grooves (491) are matched with the extension shaft (412). The upper end face of the support (49) is symmetrically provided with mounting threaded holes (492) on the left and right sides. The inner left and right sides of the limiting cover (411) are symmetrically provided with fixing screws (493). The lower end face of the support (49) is provided with a follower vertical rod (47).

6. The Mylar film cutting device according to claim 1, characterized in that: The fixed baffle (45) has an internal thread through hole (452) on its upper end face. A locking screw (451) is installed inside the internal thread through hole (452). The cutting blade (44) is in contact with the support roller (46). The drive shaft (43) is rectangular. The bottom of the support platform (1) has a guide cavity (11).

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