Rewinder with adjustable winding core

Abstract

The utility model belongs to the technical field of rewinding devices, and particularly relates to a rewinding device with an adjustable winding core, which comprises a base, a fixed seat is mounted on the base, a rewinding shaft is rotatably mounted on the fixed seat, a moving block is assembled in a moving groove and sleeved on the periphery of a first screw rod, a sliding block is assembled in a sliding groove, and a second screw rod is sleeved on the sliding block. A sliding block is installed on the sliding groove, a moving rod is installed on the sliding block, a core rolling rod is installed on the side wall of the moving rod, a baffle is installed on the side wall of the rewinding shaft, the moving rod is assembled in the rod groove, a connecting block is installed on the moving rod, the connecting block is assembled in the connecting groove, and the sliding block is driven to slide in the sliding groove of the moving block by rotating a first rotary knob. The moving block pulls the sliding block to move towards the center shaft, the sliding block drives the moving rod to move towards the center shaft, the moving rod drives the core rolling rods to move towards the center shaft, and the three core rolling rods synchronously move towards the center shaft, so that the diameter of a rolling core is adjusted according to the sizes of different label paper tubes, and the adaptability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rewinding devices, in particular to a rewinding device with an adjustable core. Background Technique

[0002] Label coding and printing refers to printing barcodes, QR codes or other forms of codes on labels through specific printing technologies for easy automated identification and data collection. A label rewinder is a special machine for rewinding label paper and is an important step in label coding and printing.

[0003] A rewinder is a device for winding label paper, usually composed of a winding shaft, a transmission system, a control system, etc. The winding shaft is the main component for winding printed matter, and a core is usually installed on the winding shaft to fix the wound printed matter. The transmission system is usually composed of components such as a motor, a reducer, and a transmission shaft, and is used to drive the winding shaft to rotate to realize the winding of label paper. When the rewinder is started, the transmission system drives the winding shaft to rotate, and the label paper is wound on the winding shaft accordingly.

[0004] During the use of the existing rewinder, it is difficult to adjust the diameter of the core according to the sizes of different label paper cylinders, resulting in poor adaptability of the device. Therefore, a rewinder with an adjustable core is proposed for the above problems. Content of the Utility Model

[0005] In order to make up for the deficiencies of the existing technology and solve the problems existing in the existing technology, the utility model proposes a rewinder with an adjustable core.

[0006] The technical solution adopted by the present utility model to solve its technical problems is a rewinder with an adjustable core, including a base, a fixed seat is installed on the base, a rewinding shaft is rotatably installed on the fixed seat, an adjusting component is arranged inside the rewinding shaft, the adjusting component includes a moving groove, three rod grooves are opened inside the rewinding shaft, a connecting groove is opened on the side wall of the rod groove, three grooves are opened on the side wall of the rewinding shaft, a first lead screw is rotatably installed between the inner walls of the moving groove, a worm gear is fixedly sleeved on the first lead screw, a worm is rotatably installed on the inner wall of the moving groove, one end of the worm penetrates through the side wall of the rewinding shaft and is welded with a first knob, a moving block is assembled in the moving groove, the moving block is of a conical structure, the moving block is sleeved around the first lead screw, three sliding grooves are opened on the side wall of the moving block, a slider is assembled in the sliding groove, a moving rod is installed on the slider, a core rod is installed on the side wall of the moving rod, the core rod is assembled in the groove, a baffle is installed on the side wall of the rewinding shaft, the moving rod is assembled in the rod groove, a connecting block is installed on the moving rod, the connecting block is assembled in the connecting groove, by rotating the first knob, driving the slider to slide in the sliding groove of the moving block, the moving block pulls the slider to move towards the central axis, the slider drives the moving rod to move towards the central axis, the moving rod drives the core rod to move towards the central axis, and the three core rods move towards the central axis synchronously, realizing the adjustment of the diameter of the core according to the sizes of different label paper cylinders, which is beneficial to improving the adaptability of the device.

[0007] Preferably, a motor is installed inside the fixed seat, the output shaft of the motor is fixedly connected to the rotating shaft on the rewinding shaft, a display screen, a speed adjustment knob and a power switch are installed on the base, the speed adjustment knob and the power switch are connected to the motor through an internal circuit, a guide plate is installed on the base, a lifting groove is opened inside the guide plate, a second lead screw is rotatably installed on the inner wall of the lifting groove, a second knob is installed on the second lead screw, a lifting block is assembled in the lifting groove, a lifting plate is installed on the lifting block, a guide roller is installed on the lifting plate, the label paper bypasses from the bottom end of the guide roller and then winds around the paper cylinder, and the paper cylinder winds up the label paper. When the label paper is slack, the lifting plate drives the guide roller to move vertically downward, and the guide roller presses the label paper downward to adjust the slack label paper to a tensioned state, realizing the adjustment of the tightness of the label paper, which is beneficial to improving the adjustability of the tightness of the label paper.

[0008] The beneficial effects of the present utility model are as follows:

[0009] 1. By rotating the first knob, the present utility model drives the slider to slide in the sliding groove of the moving block, the moving block pulls the slider to move towards the central axis, the slider drives the moving rod to move towards the central axis, the moving rod drives the core rod to move towards the central axis, and the three core rods move towards the central axis synchronously, realizing the adjustment of the diameter of the core according to the sizes of different label paper cylinders, which is beneficial to improving the adaptability of the device.

[0010] 2. The utility model enables the label paper to bypass the bottom end of the guiding roller and then wind around the paper tube. The paper tube winds up the label paper. When the label paper becomes slack, the lifting plate drives the guiding roller to move vertically downward. The guiding roller presses the label paper downward to adjust the slack label paper to a taut state, realizing the adjustment of the tightness of the label paper, which is beneficial to improving the adjustability of the tightness of the label paper. Brief Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0012] Figure 1 is the first - perspective three - dimensional structure schematic diagram;

[0013] Figure 2 is the internal three - dimensional structure schematic diagram of the rewinding shaft;

[0014] Figure 3 is the three - dimensional structure schematic diagram at the moving block;

[0015] Figure 4 is the internal three - dimensional structure schematic diagram of the fixed seat;

[0016] Figure 5 is the three - dimensional structure schematic diagram at the guiding plate.

[0017] In the figure: 1, base; 2, fixed seat; 3, rewinding shaft; 4, moving groove; 5, rod groove; 6, connecting groove; 7, groove; 8, first lead screw; 9, worm gear; 10, worm; 11, first knob; 12, moving block; 13, sliding groove; 14, slider; 15, moving rod; 16, core rod; 17, connecting block; 18, motor; 19, display screen; 20, speed - adjusting knob; 21, power switch; 22, baffle; 23, guiding plate; 24, lifting groove; 25, second lead screw; 26, second knob; 27, lifting block; 28, lifting plate; 29, guiding roller. Detailed Embodiment

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than 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 efforts fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-3 As shown in the figure, a rewinder with an adjustable core includes a base 1, a fixed seat 2 is installed on the base 1, a rewinding shaft 3 is rotatably installed on the fixed seat 2, an adjusting component is arranged inside the rewinding shaft 3, the adjusting component includes a moving groove 4, three rod grooves 5 are opened inside the rewinding shaft 3, a connecting groove 6 is opened on the side wall of the rod groove 5, three grooves 7 are opened on the side wall of the rewinding shaft 3, a first lead screw 8 is rotatably installed between the inner walls of the moving groove 4, a worm gear 9 is fixedly sleeved on the first lead screw 8, a worm 10 is rotatably installed on the inner wall of the moving groove 4, one end of the worm 10 penetrates through the side wall of the rewinding shaft 3 and is welded with a first knob 11, a moving block 12 is assembled in the moving groove 4, the moving block 12 is of a conical structure, the moving block 12 is sleeved outside the first lead screw 8, three sliding grooves 13 are opened on the side wall of the moving block 12, a slider 14 is assembled in the sliding groove 13, a moving rod 15 is installed on the slider 14, a core rod 16 is installed on the side wall of the moving rod 15, the core rod 16 is assembled in the groove 7, a baffle 22 is installed on the side wall of the rewinding shaft 3, the moving rod 15 is assembled in the rod groove 5, a connecting block 17 is installed on the moving rod 15, and the connecting block 17 is assembled in the connecting groove 6; During operation, in the process of using the existing rewinder, it is difficult to adjust the diameter of the core according to the sizes of different label paper cylinders, resulting in poor adaptability of the device. By rotating the first knob 11, the worm 10 is driven to rotate, the worm 10 pushes the worm gear 9 to rotate, the combination of the worm gear 9 and the worm 10 has self-locking property, the worm gear 9 drives the first lead screw 8 to rotate, the first lead screw 8 drives the moving block 12 thereon to move horizontally in the moving groove 4. When the moving block 12 moves horizontally to the left, the slider 14 slides in the sliding groove 13 of the moving block 12, the moving block 12 pulls the slider 14 to move towards the central axis, the slider 14 drives the moving rod 15 to move towards the central axis, the moving rod 15 drives the core rod 16 to move towards the central axis, and the three core rods 16 move towards the central axis synchronously, realizing the reduction of the core diameter. Place the label paper cylinder on the three core rods 16, rotate the first knob 11 in the reverse direction, drive the three core rods 16 to move away from the central axis synchronously until the three core rods 16 are in contact with the inner wall of the label paper cylinder, and the three core rods 16 clamp and fix the label paper cylinder, realizing the adjustment of the core diameter according to the sizes of different label paper cylinders, which is beneficial to improving the adaptability of the device.

[0020] Please refer to Figures 4-5As shown, a motor 18 is installed inside the fixed seat 2, and the output shaft of the motor 18 is fixedly connected to the rotating shaft on the rewinding shaft 3. A display screen 19, a speed adjustment knob 20, and a power switch 21 are installed on the base 1. The speed adjustment knob 20 and the power switch 21 are connected to the motor 18 through an internal circuit. A guide plate 23 is installed on the base 1. A lifting groove 24 is formed inside the guide plate 23. A second lead screw 25 is rotatably installed on the inner wall of the lifting groove 24. A second knob 26 is installed on the second lead screw 25. A lifting block 27 is assembled inside the lifting groove 24. A lifting plate 28 is installed on the lifting block 27. A guide roller 29 is installed on the lifting plate 28. During operation, in the process of the existing rewinder winding the label paper, it is difficult to adjust the tension of the label paper, and the label paper is prone to slackness, resulting in poor adjustability of the label paper tension. During the process of label coding and printing, the printed label paper bypasses the bottom end of the guide roller 29 and then winds around the paper tube. By operating the motor 18, the rewinding shaft 3 is driven to rotate, the rewinding shaft 3 drives the three core rods 16 to rotate, and the three core rods 16 drive the paper tube to rotate, and the paper tube winds the label paper. When the label paper becomes slack, rotate the second knob 26 to drive the second lead screw 25 to rotate. The second lead screw 25 drives the lifting block 27 to move vertically downward. The lifting block 27 drives the lifting plate 28 to move vertically downward. The lifting plate 28 drives the guide roller 29 to move vertically downward. The guide roller 29 presses the label paper downward to adjust the slack label paper to a tensioned state, realizing the adjustment of the label paper tension and being beneficial to improving the adjustability of the label paper tension.

[0021] Working principle: During the use of existing rewinding devices, it is difficult to adjust the diameter of the core according to the sizes of different label cartridges, resulting in poor adaptability of the device. By rotating the first knob 11, the worm 10 is driven to rotate. The worm 10 pushes the worm gear 9 to rotate. The combination of the worm gear 9 and the worm 10 has self-locking property. The worm gear 9 drives the first lead screw 8 to rotate. The first lead screw 8 drives the moving block 12 thereon to move horizontally in the moving groove 4. When the moving block 12 moves horizontally to the left, the slider 14 slides in the sliding groove 13 of the moving block 12. The moving block 12 pulls the slider 14 towards the central axis. The slider 14 drives the moving rod 15 towards the central axis. The moving rod 15 drives the core rod 16 towards the central axis. The three core rods 16 move towards the central axis synchronously, realizing the reduction of the core diameter. Place the label cartridge on the three core rods 16 and rotate the first knob 11 in the reverse direction, driving the three core rods 16 to move away from the central axis synchronously until the three core rods 16 are in contact with the inner wall of the label cartridge. The three core rods 16 clamp and fix the label cartridge, realizing the adjustment of the core diameter according to the sizes of different label cartridges, which is beneficial to improving the adaptability of the device. During the rewinding of the label paper by existing rewinding devices, it is difficult to adjust the tension of the label paper, and the label paper is prone to slackness, resulting in poor adjustability of the label paper tension. During the process of label writing and printing, the printed label paper bypasses the bottom of the guiding roller 29 and then winds around the cartridge. By the operation of the motor 18, the rewinding shaft 3 is driven to rotate. The rewinding shaft 3 drives the three core rods 16 to rotate. The three core rods 16 drive the cartridge to rotate. The cartridge rewinds the label paper. When the label paper becomes slack, rotate the second knob 26, driving the second lead screw 25 to rotate. The second lead screw 25 drives the lifting block 27 to move vertically downward. The lifting block 27 drives the lifting plate 28 to move vertically downward. The lifting plate 28 drives the guiding roller 29 to move vertically downward. The guiding roller 29 presses the label paper downward, adjusting the slack label paper to a tensioned state, realizing the adjustment of the label paper tension, which is beneficial to improving the adjustability of the label paper tension.

[0022] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A rewinder with an adjustable core, characterized in that: It includes a base (1), a fixed seat (2) is installed on the base (1), a rewinding shaft (3) is rotatably installed on the fixed seat (2), an adjusting assembly is arranged inside the rewinding shaft (3), the adjusting assembly includes a moving groove (4), three rod grooves (5) are opened inside the rewinding shaft (3), a connecting groove (6) is opened on the side wall of the rod groove (5), three grooves (7) are opened on the side wall of the rewinding shaft (3), a first lead screw (8) is rotatably installed between the inner walls of the moving groove (4), a worm gear (9) is fixedly sleeved on the first lead screw (8), a worm (10) is rotatably installed on the inner wall of the moving groove (4), one end of the worm (10) penetrates through the side wall of the rewinding shaft (3) and is welded with a first knob (11), a moving block (12) is assembled in the moving groove (4), the moving block (12) is of a conical structure, the moving block (12) is sleeved around the first lead screw (8), three sliding grooves (13) are opened on the side wall of the moving block (12), a slider (14) is assembled in the sliding groove (13), a moving rod (15) is installed on the slider (14), a core winding rod (16) is installed on the side wall of the moving rod (15), the core winding rod (16) is assembled in the groove (7), and a baffle (22) is installed on the side wall of the rewinding shaft (3).

2. The rewinder with adjustable core according to claim 1, characterized in that: The moving rod (15) is assembled in the rod groove (5), a connecting block (17) is installed on the moving rod (15), and the connecting block (17) is assembled in the connecting groove (6).

3. The rewinder with an adjustable core according to claim 1, characterized in that: A motor (18) is installed inside the fixed seat (2), and the output shaft of the motor (18) is fixedly connected to the rotating shaft on the rewinding shaft (3).

4. The rewinder with an adjustable core according to claim 1, characterized in that: A display screen (19), a speed adjustment knob (20) and a power switch (21) are installed on the base (1), and the speed adjustment knob (20) and the power switch (21) are connected to the motor (18) through an internal circuit.

5. The rewinder with adjustable core according to claim 1, characterized in that: A guide plate (23) is installed on the base (1), a lifting groove (24) is opened inside the guide plate (23), a second lead screw (25) is rotatably installed on the inner wall of the lifting groove (24), and a second knob (26) is installed on the second lead screw (25).

6. The rewinder with adjustable core according to claim 5, wherein: A lifting block (27) is assembled in the lifting groove (24), a lifting plate (28) is installed on the lifting block (27), and a guide roller (29) is installed on the lifting plate (28).

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