Roll core tightening device and winding system
The paper roll tightening device, with its contactless transmission structure and floating baffle design, solves the problems of paper roll loosening and overload, achieving tight collection and stable operation of the paper roll.
Patent Information
- Application Number
- CN202421746135.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-07-23
AI Technical Summary
Existing shaft-type paper take-up machines are prone to loosening of the paper roll and shaft during the paper take-up process, resulting in uneven and loose take-up of the core material, and difficulty in controlling the tightness or looseness of the paper belt. They are also prone to overload during long-term operation.
The core device adopts a non-contact transmission structure, which connects the drive motor and the expansion shaft assembly through a magnetic coupling. The rotation of the expansion shaft assembly and the engagement of the inclined plane achieve the fastening of the paper roll. Combined with the design of the floating baffle, the roll changing operation is simplified.
It achieves tight collection of paper rolls, avoids loosening and overloading, simplifies the roll changing process, and ensures winding quality and stable operation of the equipment.
Smart Images
Figure CN223606728U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of winding paper, especially to a winding core tightening device and winding system. BACKGROUND
[0002] The paper reel machine can wind the paper web into a paper roll with certain diameter and tightness, and is suitable for paper machines, coating machines, super calender machines and pre-tightening machines. It can be divided into two types of cylinder winding and shaft winding according to principle. The cylinder winding machine is simple to operate and can wind a paper roll with large diameter. The shaft winding machine can adjust the winding tightness by changing the tension of the paper web, and is mainly selected according to the size of winding diameter, winding speed and winding quality.
[0003] At present, the shaft winding machine is widely used in the market, but it is troublesome to fix the paper roll during the winding process. Not only is the paper roll and the winding shaft easy to loosen, but also the winding core is not smooth and tight, and it is difficult to control the tightness and looseness of the paper tape, and it is easy to overload after long time work. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model solves the technical problems in the prior art that the paper roll is fixed and is troublesome, the paper roll and the winding shaft are easy to loosen, the winding core is not smooth and tight, and it is difficult to control the tightness and looseness of the paper tape, and it is easy to overload after long time work, so as to provide a winding core tightening device.
[0005] To solve the above technical problems, the utility model provides a winding core tightening device, which comprises:
[0006] a rack;
[0007] a rotating mechanism arranged in the rack, comprising a driving motor, an expansion shaft assembly connected to the output shaft of the driving motor, and a magnetic coupling connecting the output shaft of the driving motor and the expansion shaft assembly;
[0008] The expansion shaft assembly comprises left and right rotating screw rods, a hollow shaft wrapped around the left and right rotating screw rods, an accommodating space formed by the hollow shaft and the left and right rotating screw rods, a sleeve body threaded on the left and right rotating screw rods, a first groove body penetrating the hollow shaft, and a sliding block movably connected to the first groove body, wherein the sliding block and the sleeve body are respectively provided with matching inclined surfaces.
[0009] In an embodiment of the utility model, a second groove body is arranged on the periphery of the sleeve body along the axial direction, and the bottom arm of the second groove body is provided with a first inclined surface.
[0010] In an embodiment of the utility model, a second inclined surface is arranged on the end of the sliding block, and the first inclined surface and the second inclined surface are matched.
[0011] In one embodiment of the utility model, the sliding block is provided with a contraction through hole, an elastic member is arranged in the contraction through hole, and the end of the elastic member is connected with the hollow shaft.
[0012] In one embodiment of the utility model, the end of the left-hand and right-hand screw rod is connected with an adjusting knob.
[0013] In one embodiment of the utility model, the rack comprises a base plate and a fixed baffle, the output shaft of the motor is connected with the driving shaft through a belt, the output shaft of the motor and the end of the driving shaft are provided with synchronous wheels, and the driving shaft and the expansion shaft assembly are respectively connected to the two ends of the magnetic coupling.
[0014] In one embodiment of the utility model, the plane where the fixed baffle and the base plate are located is perpendicular, the plane where the floating baffle is located can be parallel to the base plate or the fixed baffle, and the hinge is a 90-degree hinge.
[0015] In one embodiment of the utility model, the rack is further provided with a floating baffle, the floating baffle is rotatably connected to the base plate through a hinge, a strip-shaped through hole is formed in the floating baffle along the length direction of the floating baffle for the expansion shaft assembly to pass through, and the width of the strip-shaped through hole is not greater than the to-be-wound winding core.
[0016] In one embodiment of the utility model, the sliding block and the sleeve body are multiple groups, the multiple groups of sliding blocks and sleeve bodies are annularly arranged on the hollow shaft, each group comprises two sleeve bodies which are arranged at intervals, the sliding block is arranged between the two sleeve bodies, the two ends of the sliding block are provided with inclined surfaces, and the end of the sliding block is accommodated in the second groove body.
[0017] The utility model discloses still one kind of winding system, including the winding core of above-mentioned one kind of tightening device.
[0018] The above technical scheme of the utility model has the following advantages compared with the prior art:
[0019] The winding core tightening device has the following advantages: the non-contact transmission structure (magnetic coupling) is adopted, so that the device does not generate heat, there is no overload, the winding torque is controlled by the installation distance, the winding is tight on the basis of not breaking the paper tape, the paper roll core can be quickly sleeved on the expansion shaft of the device and quickly fixed, effectively preventing the paper roll core from idling and causing the winding to be not smooth and tight, the floating baffle can be quickly turned by 90°, making the winding operation more simple and smooth, and the vertical baffle after winding completion can make the winding more neat. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further explained in detail, wherein
[0021] Figure 1 It is the structure diagram of the core tightening device of the utility model;
[0022] Figure 2 It is the perspective view of the core tightening device of the utility model;
[0023] Figure 3 It is the perspective view of the core tightening device of the utility model Figure 1 It is the enlarged view of A place in the utility model;
[0024] Figure 4 It is the explosion schematic view of the expansion shaft assembly of the utility model;
[0025] Figure 5 It is the perspective view of the hollow shaft of the utility model;
[0026] Figure 6 It is the perspective view of the sleeve of the utility model;
[0027] Figure 7 It is the perspective view of the sliding block of the utility model.
[0028] The description of the drawing of the utility model is as follows: 1, base plate;2, fixed baffle;3, floating baffle;4, magnetic coupling;5, driving shaft;6, synchronous wheel;7, hollow shaft;8, sliding block;9, left and right screw rod;10, sleeve;11, first groove;12, second groove;13, first inclined plane;14, second inclined plane;15, contraction through hole;16, hinge;17, strip-shaped through hole. Specific implementation
[0029] The utility model is further explained in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.
[0030] Embodiment one
[0031] Referring to Figures 1-7 The utility model discloses a kind of core tightening devices, comprising:
[0032] Frame;
[0033] Rotating mechanism, it is set in the frame, it includes: drive motor, expansion shaft assembly connected in the drive motor output shaft, the output shaft of the drive motor and expansion shaft assembly are connected by magnetic coupling 4;
[0034] The expansion shaft assembly comprises: left and right rotating screws 9, a hollow shaft 7 wrapped around the left and right rotating screws 9, a containing space formed by the hollow shaft 7 and the left and right rotating screws 9, a sleeve body 10 threaded on the left and right rotating screws 9, a first slot body 11 penetrating through the hollow shaft 7, and a sliding block 8 movably connected to the first slot body 11, wherein the sliding block 8 and the sleeve body 10 are respectively provided with matching inclined surfaces.
[0035] The expansion shaft assembly comprises: left and right rotating screws 9, a hollow shaft 7 wrapped around the left and right rotating screws 9, a containing space formed by the hollow shaft 7 and the left and right rotating screws 9, a sleeve body 10 threaded on the left and right rotating screws 9, a first slot body 11 penetrating through the hollow shaft 7, and a sliding block 8 movably connected to the first slot body 11, wherein the sliding block 8 and the sleeve body 10 are respectively provided with matching inclined surfaces.
[0036] Referring to Figure 6 As shown in the figure, the sleeve body 10 is provided with a second slot body 12 along the axial direction, and the bottom arm of the second slot body 12 is provided with a first inclined surface 13. When the sleeve body 10 moves under the action of the left and right rotating screws 9, the first inclined surface 13 in the second slot body 12 will be in contact with the inclined surface on the sliding block 8. With the movement of the sleeve body 10, the two inclined surfaces will slide relative to each other, generating an outward thrust, thereby pushing the sliding block 8 to move outward along the first slot body 11 on the hollow shaft 7, realizing the expansion effect. When the reverse operation is performed, the sleeve body 10 moves reversely, and the sliding block 8 is retracted under the action of the elastic element.
[0037] The end of the sliding block 8 is provided with a second inclined surface 14, and the first inclined surface 13 and the second inclined surface 14 are matched with each other, which not only improves the accuracy and reliability of the expansion mechanism, but also simplifies the overall structure, making the device more compact and efficient.
[0038] Referring to Figure 7 As shown in the figure, the sliding block 8 is provided with a contraction through hole 15, and an elastic element is arranged in the contraction through hole 15. The end of the elastic element is connected to the hollow shaft 7. The elastic element can be made of a suitable spring or other elastic material. When the sliding block 8 moves outward, the elastic element is stretched to store elastic potential energy. When the sliding block 8 moves inward, the elastic element pushes or pulls the sliding block 8 back to the initial position, which is flush with the main cylindrical surface of the hollow shaft 7.
[0039] The end of the left and right screw rod 9 is connected with an adjusting knob, the rotation of the left and right screw rod 9 can be controlled by rotating the knob, so as to realize the adjustment of the whole expansion mechanism, or the motor can be externally connected to drive the rotation, the adjusting knob and the left and right screw rod 9 are fixed by a reliable connection mode such as key connection or threaded connection or welding, and the surface of the knob is provided with anti-skid lines or protrusions to increase the friction and facilitate operation. In some embodiments, the knob is also provided with scales or indication marks for indicating the degree or direction of adjustment.
[0040] Referring to Figure 2 As shown in the figure, the rack includes a base plate 1 and a fixed baffle 2, the output shaft of the motor is connected with the driving shaft 5 through a belt, the output shaft of the motor and the end of the driving shaft 5 are provided with synchronous wheels 6, the driving shaft 5 and the expansion shaft assembly are respectively connected to the two ends of the magnetic coupling 4, the motor is started, the synchronous wheels 6 on the output shaft are driven to rotate by the synchronous wheels 6 on the driving shaft 5 through the belt, the driving shaft 5 is rotated, one end of the magnetic coupling 4 is driven to rotate, the magnetic coupling 4 transmits power to the expansion shaft assembly at the other end without contact, and the expansion shaft assembly starts to rotate to realize the collection process of the paper roll.
[0041] Referring to Figure 2 As shown in the figure, the plane where the fixed baffle 2 and the base plate 1 are located is perpendicular to the plane where the floating baffle 3 is located, the plane where the floating baffle 3 is located can be parallel to the base plate 1 or the fixed baffle 2, the hinge 16 is a 90-degree hinge 16, when changing the roll, the operator turns the floating baffle 3 by 90 degrees to make it parallel to the base plate 1, at this time, the new paper roll can be conveniently installed on the expansion shaft assembly, after installation is completed, the floating baffle 3 is turned up again to make it parallel to the fixed baffle 2, the floating baffle 3 that is turned up plays a role in guiding and arranging during the winding process, ensuring that the paper roll is collected neatly, after winding is completed, the floating baffle 3 is turned again to facilitate taking out the collected paper roll.
[0042] The rack is also provided with a floating baffle 3, the floating baffle 3 is rotatably connected to the base plate 1 through a hinge 16, a strip-shaped through hole 17 is formed in the floating baffle along the length direction of the floating baffle for the expansion shaft assembly to pass through, and the width of the strip-shaped through hole is not greater than the to-be-wound roll core.
[0043] The sliding block 8 and the sleeve body 10 are in multiple groups, the multiple groups of sliding blocks 8 and sleeve bodies 10 are annularly arranged on the hollow shaft 7, and each group includes two sleeve bodies 10 that are arranged at intervals, the sliding block 8 is arranged between the two sleeve bodies 10, and the two ends of the sliding block 8 are provided with inclined surfaces, and the end of the sliding block 8 is accommodated in the second groove body 12. The two sleeve bodies 10 are opposite in rotation direction and can approach or move away from each other to form a symmetrical structure.
[0044] 1. The main body is a 3-layer structure: the central layer is a left and right screw, the second layer is a hollow shaft 7 main body, and the third layer is an expansion slider 8. Other components are auxiliary installation and auxiliary moving parts (bearings, springs, etc., not detailed in the figure); 2. Artificial manual rotation of the adjustment knob controls the rotation of the left and right screws; 3. The left and right screws drive the expansion plunger to move towards the center or both ends along the center of the screw, and the slope on the expansion plunger cooperates with the slope on the expansion slider 8; the rotation directions of the left and right screws are opposite, and they can move closer or farther away by cooperating with the corresponding plunger sleeve; 4. When the expansion plunger moves from both ends to the center, the slope cooperation will lift the expansion slider 8, forming a protruding structure on the hollow shaft 7 main body; 5. When the expansion plunger moves from the center to both ends, the slope cooperation will pull down the expansion slider 8, and the fixed spring on the expansion slider 8 will be flush with the hollow shaft 7 main body.
[0045] Example two
[0046] The embodiment discloses a winding system, which comprises a winding core tightening device as described in embodiment 1.
[0047] The winding system disclosed in the embodiment comprises but is not limited to the following components: a tension control system: function: real-time monitoring and adjustment of paper tape tension during winding. Composition: tension sensor, tension controller, tension adjusting roller, etc. Effect: ensure the consistency of paper tape tension during winding, improve product quality. Automatic roll changing device: function: automatically replace a new winding core after a paper roll is collected. Composition: winding core storage, mechanical arm or conveyor belt, positioning system, etc. Effect: reduce roll changing time and improve production efficiency. Control system: function: integrate control of all parts of the winding system. Composition: PLC controller, touch screen operation interface, various sensors and actuators. Effect: realize automatic operation of the system, provide human-computer interaction interface, and monitor system operation status. Finished product conveying system: function: convey the finished paper roll to a designated position. Composition: conveyor belt, lifting platform, automatic sorting device, etc. Effect: improve logistics efficiency and reduce manual handling.
[0048] Obviously, the above embodiments are only examples for the sake of clarity, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present invention.
Claims
1. A roll core tightening device characterized by comprising: The utility model relates to a reel core tightening device, comprising: a rack; a rotating mechanism arranged on the rack, comprising a driving motor, an expansion shaft assembly connected to the output shaft of the driving motor, and a magnetic coupling connecting the output shaft of the driving motor and the expansion shaft assembly; the expansion shaft assembly comprises left and right rotating screws, a hollow shaft wrapped around the left and right rotating screws, a containing space formed by the hollow shaft and the left and right rotating screws, a sleeve body threaded on the left and right rotating screws, a first slot body penetrating through the hollow shaft, and a sliding block movably connected to the first slot body, wherein the sliding block and the sleeve body are respectively provided with matching inclined surfaces.
2. A roll core tightening device according to claim 1, characterized in that: A second slot body is arranged on the sleeve body in the axial direction, and the bottom of the second slot body is provided with a first inclined surface.
3. A roll core tightening device according to claim 2, wherein: The end of the sliding block is provided with a second inclined surface, and the first inclined surface and the second inclined surface are matched.
4. A roll core tightening device according to claim 1, wherein: The sliding block is provided with a contraction through hole, and an elastic member is arranged in the contraction through hole, and the end of the elastic member is connected to the hollow shaft.
5. A roll core tightening device according to claim 1, wherein: The ends of the left and right rotating screws are connected to adjusting knobs.
6. A roll core tightening device according to claim 1, wherein: The rack comprises a base plate and a fixed baffle, the output shaft of the motor is connected to a driving shaft through a belt, the output shaft of the motor and the end of the driving shaft are provided with synchronous wheels, and the driving shaft and the expansion shaft assembly are respectively connected to the two ends of the magnetic coupling.
7. A roll core tightening device according to claim 6, wherein: The rack is further provided with a floating baffle, the floating baffle is rotatably connected to the base plate through a hinge, a strip-shaped through hole is arranged on the floating baffle in the length direction of the floating baffle for the expansion shaft assembly to pass through, the width of the strip-shaped through hole is not greater than the reel core to be wound, and the hinge is a 90-degree hinge.
8. A roll core tightening device according to claim 7, characterized in that: The plane where the fixed baffle and the base plate are located is perpendicular to the plane where the floating baffle is located, and the plane where the floating baffle is located can be parallel to the base plate or the fixed baffle.
9. A roll core tightening device according to claim 1, wherein: The sliding block and the sleeve body are in multiple groups, the multiple groups of sliding blocks and sleeve bodies are arranged around the hollow shaft, each group comprises two sleeve bodies arranged at intervals, the sliding block is arranged between the two sleeve bodies, the sliding block is provided with inclined surfaces at both ends, and the end of the sliding block is accommodated in the second slot body.
10. A winding system characterized by, The utility model relates to a reel core tightening device, comprising: any one of claims 1-9.