Aluminum foil uncoiling device

Abstract

The utility model belongs to the technical field of air conditioner foil production, and discloses an aluminum foil uncoiling device which comprises a driving assembly used for supporting and driving an aluminum foil roll to rotate and uncoil, and a supporting assembly used for fixing the aluminum foil roll and stretching, retracting and reducing is installed at the top of the driving assembly. The diameter changing assembly is rotationally installed in the supporting assembly and used for electrically driving independent rotation and pushing external expansion diameter changing through threads; the reducing assembly comprises a reducing motor, and a rotating shaft is installed in front of the reducing motor. According to the aluminum foil uncoiling device disclosed by the utility model, through the arrangement of independent rotation and external expansion diameter change through thread pushing, diameter change adjustment and uncoiling rotation are mutually independent and do not interfere with each other, and the diameter change adjustment can be completed only through rotation, so that the operation is simplified, and the adjustment is convenient; through the arrangement of electric drive external expansion reducing, adjustment is further facilitated; and through the arrangement of electric drive external expansion reducing, the aluminum foil coil can be automatically expanded and jacked tightly after the aluminum foil coil is installed, and the uncoiling stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air-conditioning foil production, in particular to an aluminum foil unwinding device. Background Art

[0002] Air-conditioning foil usually refers to air-conditioning aluminum foil, which is an aluminum foil material specially used in the manufacture of air-conditioning systems. It undergoes a special production process and strict quality control to ensure its high-level performance and reliability. Air-conditioning aluminum foil has the advantages of good thermal conductivity, easy processing, odorless, environmentally friendly and low price. It is widely used in the manufacture of thermal conductive fin materials for air-conditioning heat exchangers. Aluminum foil unwinder is a device specially used to unwind aluminum foil coils. Its main function is to unwind the rolled aluminum foil coils smoothly and continuously for subsequent processing or use. Aluminum foil unwinder is widely used in the aluminum foil processing industry and is one of the indispensable equipment on the aluminum foil production line.

[0003] In comparison, the Chinese patent with authorization announcement number CN220461785U discloses a decoiler, including: a bracket and an expansion roller mechanism arranged on the bracket, the expansion roller mechanism is used to expand the coil; a slide rail, the slide rail is arranged on the front side of the expansion roller mechanism, and a material blocking rack placing vehicle is slidably connected to the slide rail, the material blocking rack placing vehicle includes a sliding column slidably connected to the slide rail and a placing cylinder arranged on the sliding column, and a counter-insertion rod is arranged in the placing cylinder; a limit stop frame, the limit stop frame is provided with an counter-insertion cylinder, and the counter-insertion rod can be inserted into the counter-insertion cylinder.

[0004] When the above patent is used for variable diameter adjustment, it is necessary to first brake the expansion roller mechanism, and then rotate the adjustment screw rod for adjustment, which is cumbersome and inconvenient to adjust. Therefore, a new device is required to be designed. Utility Model Content

[0005] The utility model aims to provide an aluminum foil unwinding device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An aluminum foil unwinding device includes a driving assembly for supporting and driving an aluminum foil roll to rotate and unwind, a supporting assembly for fixing the aluminum foil roll and telescopically retracting and reducing the diameter is installed on the top of the driving assembly, and a reducing assembly is also rotatably installed in the supporting assembly for independent rotation driven by electricity and external expansion and reducing the diameter by threading;

[0008] The variable diameter assembly comprises a variable diameter motor, a rotating shaft is installed in front of the variable diameter motor, a screw is arranged at the front end of the rotating shaft, a threaded sleeve is arranged on the screw, a rotating groove is opened on the circumference of the threaded sleeve, and a limiting block is arranged at the front end of the screw.

[0009] Furthermore: the driving assembly includes a frame, a sleeve shaft is rotatably installed on the top of the frame, a driven wheel is installed at the rear end of the sleeve shaft, a driving wheel is arranged below the driven wheel, a synchronous belt is installed between the driving wheel and the driven wheel, a driving motor is installed behind the driving wheel, and a support plate is arranged between the driving motor and the driving wheel.

[0010] Furthermore: the support assembly includes a fixed ring, a movable ring is arranged in front of the fixed ring, four scissor-type telescopic frames are evenly arranged on the circumference between the movable ring and the fixed ring, an expansion plate is installed on the side of the scissor-type telescopic frame away from the fixed ring, and a baffle is arranged at the rear end of the expansion plate.

[0011] Furthermore: the threaded sleeve is rotatably connected to the support assembly, the limit block is circular in shape, and the limit block is threadably connected to the screw rod.

[0012] Furthermore: the support plate is connected to the frame by bolts, and the support plate is made of 45# material.

[0013] Furthermore: the outer surface of the expansion plate is a curved surface, and the baffle is welded to the expansion plate.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. Through the setting of independent rotation and thread-driven external expansion and diameter change, the diameter change adjustment and unwinding rotation are independent of each other and do not interfere with each other. The diameter change adjustment can be completed by just rotating, which simplifies the operation and facilitates the adjustment.

[0016] 2. The electric drive external expansion and variable diameter setting further facilitates adjustment;

[0017] 3. Through the setting of electric-driven external expansion and variable diameter, the aluminum foil roll can be automatically expanded and tightened after the installation of the aluminum foil roll is completed, which improves the stability of unwinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an aluminum foil unwinding device described in the utility model;

[0019] Figure 2 This is a right view of a driving component of an aluminum foil unwinding device described in the utility model;

[0020] Figure 3 This is an axonometric diagram of a support assembly of an aluminum foil unwinding device described in the utility model;

[0021] Figure 4 It is a right view of a diameter-changing component of an aluminum foil unwinding device described in the utility model.

[0022] In the accompanying drawings, 101, frame; 102, sleeve shaft; 103, driven wheel; 104, driving wheel; 105, synchronous belt; 106, driving motor; 107, support plate; 201, fixed ring; 202, movable ring; 203, scissor-type telescopic frame; 204, expansion plate; 205, baffle; 301, variable diameter motor; 302, rotating shaft; 303, screw; 304, threaded sleeve; 305, rotating groove; 306, limit block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 An aluminum foil unwinding device includes a driving assembly for supporting and driving the aluminum foil roll to rotate and unwind, a supporting assembly for fixing the aluminum foil roll and telescopically retracting and reducing the diameter is installed on the top of the driving assembly, and also includes a reducing assembly rotatably installed inside the supporting assembly for independent rotation driven by electricity and external expansion and reducing the diameter by thread.

[0025] In this embodiment: the driving assembly includes a frame 101, a sleeve shaft 102 is rotatably installed on the top of the frame 101, a driven wheel 103 is installed at the rear end of the sleeve shaft 102, a driving wheel 104 is arranged below the driven wheel 103, a synchronous belt 105 is installed between the driving wheel 104 and the driven wheel 103, a driving motor 106 is installed behind the driving wheel 104, a support plate 107 is arranged between the driving motor 106 and the driving wheel 104, the support plate 107 is bolted to the frame 101, the support plate 107 is made of 45# material, the support plate 107 supports the driving motor 106 to drive the driving wheel 104 to rotate, and drives the driven wheel 103 and the sleeve shaft 102 to rotate through the synchronous belt 105, so that the sleeve shaft 102 drives the aluminum foil roll on the support assembly to rotate under the support of the frame 101, and unwinds;

[0026] In this embodiment: the support assembly includes a fixed ring 201, a moving ring 202 is arranged in front of the fixed ring 201, four scissor-type telescopic frames 203 are evenly arranged on the circumference between the moving ring 202 and the fixed ring 201, an expansion plate 204 is installed on the side of the scissor-type telescopic frame 203 away from the fixed ring 201, and a baffle 205 is arranged at the rear end of the expansion plate 204. The outer surface of the expansion plate 204 is an arc surface, and the baffle 205 is welded to the expansion plate 204. The diameter reducing assembly pushes the moving ring 202 to move backward, so that the scissor-type telescopic frame 203 pushes the expansion plate 204 to expand outward under the support of the fixed ring 201, and the coil diameter of the uncoiler is adjusted. Then, the aluminum foil roll is put on the outer side of the four expansion plates 204, and the rear side of the aluminum foil roll contacts the baffle 205. Then, through the above process, the expansion plate 204 is expanded outward and pressed against the inner side of the aluminum foil roll, thereby fixing it on the support assembly;

[0027] In this embodiment: the diameter-changing component includes a diameter-changing motor 301, a rotating shaft 302 is installed in front of the diameter-changing motor 301, a screw 303 is arranged at the front end of the rotating shaft 302, a threaded sleeve 304 is arranged on the screw 303, a rotating groove 305 is opened on the circumference of the threaded sleeve 304, a limiting block 306 is arranged at the front end of the screw 303, the threaded sleeve 304 is rotatably connected to the support component, the limiting block 306 is circular in shape, and the limiting block 306 is threadedly connected to the screw 303, the diameter-changing motor 301 drives the rotating shaft 302 to drive the screw 303 to rotate, thereby pushing the threaded sleeve 304 to drive the movable ring 202 to move backward through the rotating groove 305 to perform diameter-changing adjustment, and a limiting block 306 is arranged at the front end of the screw 303 to limit the threaded sleeve 304 and prevent it from detaching from the screw 303.

[0028] Working principle: the variable diameter motor 301 drives the rotating shaft 302 to drive the screw 303 to rotate, thereby pushing the threaded sleeve 304 to drive the movable ring 202 to move backward through the rotating groove 305, so that the scissor-type telescopic frame 203 pushes the expansion plate 204 to expand outward under the support of the fixed ring 201, adjusts the coil diameter of the uncoiler, and then puts the aluminum foil roll on the outside of the four expansion plates 204, and makes the rear side of the aluminum foil roll contact the baffle 205, and then through the above process, the expansion plate 204 is expanded outward to press against the inner side of the aluminum foil roll, thereby fixing it on the support assembly, and finally the support plate 107 supports the driving motor 106 to drive the active wheel 104 to rotate through the synchronous belt 105 to drive the driven wheel 103 and the sleeve shaft 102 to rotate, so that the sleeve shaft 102 drives the aluminum foil roll on the support assembly to rotate under the support of the frame 101 for uncoiling; a limit block 306 is set at the front end of the screw 303 to limit the threaded sleeve 304 to prevent it from detaching from the screw 303.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum foil unwinding device, comprising a driving assembly for supporting and driving an aluminum foil roll to rotate and unwind, a supporting assembly for fixing the aluminum foil roll and telescopically retracting and reducing the diameter of the aluminum foil roll is installed on the top of the driving assembly, Features: It also includes a diameter-changing component rotatably installed in the support component and used for electrically driven independent rotation and threaded external expansion and diameter change; The variable diameter assembly comprises a variable diameter motor (301), a rotating shaft (302) is installed in front of the variable diameter motor (301), a screw rod (303) is arranged at the front end of the rotating shaft (302), a threaded sleeve (304) is arranged on the screw rod (303), a rotating groove (305) is opened on the circumference of the threaded sleeve (304), and a limiting block (306) is arranged at the front end of the screw rod (303).

2. An aluminum foil unwinding device according to claim 1, Features: The driving assembly comprises a frame (101), a sleeve shaft (102) is rotatably mounted on the top of the frame (101), a driven wheel (103) is mounted on the rear end of the sleeve shaft (102), a driving wheel (104) is arranged below the driven wheel (103), a synchronous belt (105) is installed between the driving wheel (104) and the driven wheel (103), a driving motor (106) is installed behind the driving wheel (104), and a support plate (107) is arranged between the driving motor (106) and the driving wheel (104).

3. The aluminum foil unwinding device according to claim 1, Features: The support assembly comprises a fixed ring (201), a movable ring (202) is arranged in front of the fixed ring (201), four scissor-type telescopic frames (203) are evenly arranged on the circumference between the movable ring (202) and the fixed ring (201), an expansion plate (204) is installed on the side of the scissor-type telescopic frame (203) away from the fixed ring (201), and a baffle (205) is arranged at the rear end of the expansion plate (204).

4. The aluminum foil unwinding device according to claim 1, Features: The threaded sleeve (304) is rotatably connected to the support assembly, the limiting block (306) is circular in shape, and the limiting block (306) is threadably connected to the screw rod (303).

5. The aluminum foil unwinding device according to claim 2, Features: The support plate (107) is connected to the frame (101) by bolts, and the support plate (107) is made of 45# material.

6. The aluminum foil unwinding device according to claim 3, Features: The outer surface of the expansion plate (204) is a curved surface, and the baffle plate (205) is connected to the expansion plate (204) by welding.

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