Unwinding device for cotton towel production

Abstract

The utility model provides a soft cotton towel production unwinding device, which relates to the technical field of soft cotton towel production and comprises a stabilizing plate, two symmetrically distributed positioning plates are mounted above the stabilizing plate, and a group of adjusting mechanisms, a group of unwinding mechanisms and a group of detecting mechanisms are mounted between the two positioning plates. The adjusting mechanism is jointly composed of a first electric motor, a first friction rod, an adjusting roller and a stabilizing block. The two adjusting rollers in the adjusting mechanism are driven by the first electric motor to tension, convey and flatten the soft cotton towel, the soft cotton towel can be conveyed at stable tension and speed by accurately controlling rotation of the first electric motor, the problems of wrinkling and blocking of the soft cotton towel in the conveying process are avoided, and the conveying efficiency of the soft cotton towel is improved. Therefore, the processing quality and efficiency of subsequent production procedures are improved.

Description

Technical Field

[0001] This utility model relates to the field of cotton towel production technology, and in particular to a cotton towel production unwinding device. Background Technology

[0002] In the production of cotton soft towels, rollers are used for unwinding. With the continuous growth of market demand and the increasing requirements of consumers for product quality, the performance and efficiency of production equipment have become key factors in the competitiveness of enterprises. Traditional cotton soft towel unwinding devices still have the following shortcomings:

[0003] Most unwinding devices are equipped with only a single unwinding roller. When the cotton towels on the unwinding roller are used up, the machine needs to be stopped for reloading. This process takes a lot of time, causing frequent production interruptions and seriously affecting overall production efficiency. Moreover, traditional unwinding devices lack effective tension control and adjustment mechanisms during the cotton towel conveying process, which can easily lead to problems such as loose, wrinkled, or overstretched cotton towels. This not only reduces product quality but may also cause jams in subsequent processing steps, further reducing production speed.

[0004] In terms of product quality control, because the roller bears the pressure of the cotton towel, the rotation of the unwinding roller may be uneven, tilted, or bent, resulting in large tension fluctuations when the cotton towel is unwound, which in turn causes defects such as uneven thickness and uneven surface of the cotton towel. Utility Model Content

[0005] This utility model discloses a cotton towel production unwinding device. The cotton towel to be rolled is passed between two adjusting rollers, and the cotton towel is stretched so that one side of the cotton towel is in contact with the unwinding roller. A control cylinder drives the drive shaft of a fourth electric motor and connects it to the upper second friction rod. The fourth electric motor drives the upper unwinding roller to rotate, so that the cotton towel is rolled up. At the same time, the first electric motor is started, and the drive shaft of the first electric motor rotates. Through the meshing of gears and racks, the adjusting roller moves up and down, completing the tensioning and conveying steps of the cotton towel. The above steps can be reversed to complete the unwinding operation of cotton towel production. At the same time, the two adjusting rollers work together to tighten, convey and flatten the cotton towel.

[0006] In a first aspect, this disclosure provides a cotton towel production unwinding device, specifically comprising: a stabilizing plate; two symmetrically distributed positioning plates mounted above the stabilizing plate; an adjustment mechanism, an unwinding mechanism, and a detection mechanism mounted between the two positioning plates; the adjustment mechanism comprising a first electric motor, a first friction rod, an adjusting roller, and a stabilizing block; the unwinding mechanism comprising a second electric motor, a positioning frame, an unwinding roller, and a second friction rod; and the detection mechanism comprising a third electric motor, a threaded rod, a positioning rod, and a driving block; a stabilizing frame connected by a hinge mounted on the outer side of the stabilizing block; a stabilizing frame connected by a hinge also mounted on the outer side of the positioning frame; a support plate mounted on the outer side of the positioning plate; and a cylinder and a fourth electric motor mounted above the support plate.

[0007] Furthermore, a set of symmetrically distributed positioning rails are installed on the upper part of the stabilizing plate, and a set of sliding grooves corresponding to the positioning rails are provided at the bottom of the positioning plate. The positioning rails pass through the interior of the sliding grooves, and a set of locking bolts are installed at the bottom of the positioning plate.

[0008] Furthermore, a first electric motor and a second electric motor are installed on the outer side of the positioning plate. A set of bolt mounting holes are opened at the top and bottom of the positioning plate respectively. A gear is installed on the outer side of the drive shaft of the first electric motor. A rack that meshes with the gear is provided on one side of one of the stabilizing blocks.

[0009] Furthermore, there are two adjusting rollers, and a first friction rod is installed on each side of the adjusting roller. A bolt mounting hole is opened in the middle of the first friction rod, and the drive shaft of the first electric motor is connected to one of the first friction rods.

[0010] Furthermore, there are two sets of stabilizing blocks, with two blocks in each set. The upper stabilizing block has a set of sliding holes on each side, and the lower stabilizing block has a set of positioning blocks on each side. The positioning blocks pass through the interior of the sliding holes and are fitted with a support spring and a retaining spring on the outside. The upper stabilizing block has a set of friction rollers installed at the upper position, and the lower stabilizing block has a set of friction rollers installed at the bottom position. The first friction rods are respectively installed at the positions of the friction rollers.

[0011] Furthermore, a set of positioning rings is provided on the outer side of the first friction rod, and a mounting groove is opened on one side of the positioning plate. The mounting groove has a U-shaped structure, and a positioning groove corresponding to a positioning ring is opened on the inner side of the mounting groove. One of the outer positioning rings extends into the interior of the mounting groove. There are two adjusting rollers in total.

[0012] Furthermore, there are two positioning frames. A rotating shaft is provided in the middle of the positioning frame. A rotating hole is opened on one side of the positioning plate. The rotating shaft passes through the interior of the rotating hole. One of the rotating shafts is connected to the drive shaft of the second electric motor. Three sets of friction rollers are installed on the side of the positioning frame. The three sets of friction rollers are distributed in a Y shape. A second friction rod is installed on each side of the unwinding roller. The second friction rod is installed at the position of the friction roller.

[0013] Furthermore, the support plate installed on the outer side of the positioning plate has a positioning block at the top position. The positioning block has a T-shaped structure. A sliding plate is installed above the positioning plate. A sliding groove corresponding to the positioning block is opened at the bottom of the sliding plate. The positioning block passes through the inside of the sliding groove. A fourth electric motor is installed above the sliding plate. The push rod of the fourth electric motor is securely connected to one side of the sliding plate.

[0014] Furthermore, a third electric motor and a positioning rod are installed at the corner above the positioning plate. A set of rotating holes are opened above the positioning plate. The two sides of the threaded rod pass through the interior of the rotating holes and are connected to the drive shaft of the third electric motor. A threaded hole is opened on one side of the drive block, and a sliding hole is opened on the other side of the drive block. The threaded rod passes through the interior of the threaded hole. The threaded rod has a bidirectional thread structure. A position sensor is installed above the drive block.

[0015] Furthermore, a sliding hole is opened on one side of the stabilizing frame, a locking rod passes through the inside of the sliding hole, a support spring and a snap ring are installed on the outer side of the locking rod, a positioning ring is provided on one side of the locking rod, a stabilizing groove is opened on one side of the stabilizing block, a set of stabilizing grooves are opened on the outer side of the positioning frame, and a set of friction rollers are installed in the middle of the stabilizing frame.

[0016] This utility model provides a cotton towel production unwinding device, which has the following beneficial effects:

[0017] The two adjusting rollers in the adjusting mechanism, driven by the first electric motor, can tighten, convey, and flatten the cotton towel. By precisely controlling the rotation of the first electric motor, the cotton towel can be conveyed with stable tension and speed, avoiding wrinkles and jamming during the conveying process, thereby improving the processing quality and efficiency of subsequent production processes.

[0018] The positioning frame in the unwinding mechanism can rotate flexibly under the drive of the second electric motor, realizing the rapid switching of a set of unwinding rollers. When the cotton towels on the upper unwinding roller are about to run out, it can quickly switch to another set of unwinding rollers that have been loaded with material to continue production, which greatly shortens the downtime during the unwinding process. Conversely, after the cotton towels on the upper unwinding roller are finished being rolled up, the unwinding roller is switched, making the cotton towel production process more continuous and smooth. Compared with traditional single unwinding roller equipment, this design significantly improves production efficiency and is especially suitable for large-scale, high-efficiency cotton towel production needs.

[0019] The testing agency uses a third electric motor to drive a threaded rod, which in turn moves the position sensor laterally. This allows for real-time detection of the bending and tilting of the unwinding roller. If any abnormality is detected in the unwinding roller, timely adjustments or replacements can be made. This avoids problems such as uneven unwinding and unstable tension of the cotton towel caused by unwinding roller issues, thus ensuring the stability and reliability of the entire production process.

[0020] The rollers, supported by springs, work together to flexibly press the cotton towel, and the tension is precisely adjusted by the drive of the first electric motor. Stable and uniform tension ensures that the cotton towel maintains a good physical shape throughout the production process, preventing the cotton towel from stretching, deforming, or becoming loose and wrinkled due to excessive or insufficient tension, thereby improving the overall quality of the product.

[0021] The stabilizing bracket and locking rod design facilitates convenient roller positioning. The hinged structure of the stabilizing bracket allows for easy disassembly and replacement of the adjusting and unwinding rollers. During equipment maintenance or production process adjustments, operators can easily remove the old rollers and install new parts simply by pulling the locking rod outwards; the operation is simple and quick. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0023] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0024] In the attached diagram:

[0025] Figure 1 This paper shows a schematic diagram of the shaft side structure of the production unwinding device after assembly.

[0026] Figure 2 This application shows Figure 1 A schematic diagram of the axonal structure from the rear view;

[0027] Figure 3 A schematic diagram of the axle side structure after the positioning plate of this application is removed is shown;

[0028] Figure 4 A schematic diagram of the isometric structure of the unwinding mechanism of this application is shown;

[0029] Figure 5 A schematic diagram of the shaft side structure of the fourth electric motor of this application is shown;

[0030] Figure 6 A schematic diagram of the isometric structure of the detection mechanism of this application is shown;

[0031] Figure 7 A schematic diagram of the isometric structure of the adjustment mechanism of this application is shown;

[0032] Figure 8 The diagram shows an axial side view of the stabilizing frame and stabilizing block of this application from an elevation perspective.

[0033] List of reference numerals

[0034] 1. Stabilizing plate; 101. Positioning track;

[0035] 2. Positioning plate;

[0036] 3. Adjustment mechanism; 301. First electric motor; 302. First friction rod; 303. Adjustment roller; 304. Stabilizing block;

[0037] 4. Unwinding mechanism; 401. Second electric motor; 402. Positioning frame; 403. Unwinding roller; 404. Second friction rod;

[0038] 5. Testing mechanism; 501. Third electric motor; 502. Threaded rod; 503. Positioning rod; 504. Drive block;

[0039] 6. Stabilizing frame; 601. Locking bar;

[0040] 7. Fourth electric motor. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0042] Example 1: Please refer to Figures 1 to 8 :

[0043] This utility model proposes a cotton towel production unwinding device, including: a stabilizing plate 1, two symmetrically distributed positioning plates 2 installed on the upper part of the stabilizing plate 1, and a set of symmetrically distributed positioning tracks 101 installed on the upper part of the stabilizing plate 1. The operator needs to use a wrench to install the positioning tracks 101 with bolts on the upper part of the stabilizing plate 1 to stabilize them. The bottom of the positioning plate 2 is provided with a set of sliding grooves corresponding to the positioning tracks 101. The positioning tracks 101 pass through the interior of the sliding grooves. After stabilization, the positioning tracks 101 realize the effect of vertical and circumferential positioning of the positioning plate 2, so that the positioning plate 2 can be adjusted to a stable position along the positioning track 101. A set of locking bolts is installed at the bottom of the positioning plate 2. The operator uses a wrench to rotate the locking bolts to stabilize the installation position of the positioning plate 2. The setting of the positioning tracks 101 allows the positioning plate 2 to be adjusted according to the different lengths of the adjusting rollers 303 and the unwinding rollers 403.

[0044] In this embodiment of the disclosure, reference is made to Figures 1 to 8 As shown, an adjustment mechanism 3, an unwinding mechanism 4, and a detection mechanism 5 are installed between the two positioning plates 2. The adjustment mechanism 3 consists of a first electric motor 301, a first friction rod 302, an adjusting roller 303, and a stabilizing block 304. A first electric motor 301 and a second electric motor 401 are installed on the outer side of the positioning plates 2. Bolt mounting holes are opened at the top and bottom of the positioning plates 2 respectively. The operator needs to refer to existing technology and use a wrench to secure the first electric motor 301 and the second electric motor 401 to the outer side of the positioning plates 2 with bolts. A gear is installed on the outer side of the drive shaft of the first electric motor 301. One side of one of the stabilizing blocks 304 has a rack that meshes with the gear, so the first electric motor 301 can be controlled. The adjustment roller 303 is driven to adjust up and down. There are two adjustment rollers 303. A first friction rod 302 is installed on each side of the adjustment roller 303. A bolt mounting hole is opened in the middle of the first friction rod 302. The operator needs to refer to the existing technology and use a wrench and bolts to install the first friction rod 302 on both sides of the adjustment roller 303 to make it secure. The material of the first friction rod 302 should be selected from the existing technology as needed, using a metal material with good hardness. The drive shaft of the first electric motor 301 is connected to one of the first friction rods 302. The operator needs to refer to the keyway structure in the existing technology to make the first friction rod 302 and the drive shaft of the first electric motor 301 securely connected, so that the first electric motor 301 can drive the adjustment roller 303 to rotate.

[0045] In this embodiment of the disclosure, reference is made to Figures 1 to 8As shown, there are two sets of stabilizing blocks 304, with two blocks in each set. The upper stabilizing block 304 has a set of sliding holes on each side, and the lower stabilizing block 304 has a set of positioning blocks on each side. The positioning blocks pass through the sliding holes and are fitted with a support spring and a retaining spring on their outer sides. The positioning blocks work together to achieve circumferential positioning of the upper and lower stabilizing blocks 304. In addition, the support spring pushes the two upper and lower stabilizing blocks 304 to move towards the center. The upper stabilizing block 304 has a set of friction rollers installed at its upper position, and the lower stabilizing block 304 has a set of friction rollers installed at its lower position. The first friction rods 302 are installed at the positions of the friction rollers. When the first friction rods 302 rotate, they drive the friction rollers to rotate. The setting of friction rollers reduces the need for adjustment. The friction force of the roller 303 and the first friction rod 302 when rotating; a set of positioning rings is provided on the outer side of the first friction rod 302; a mounting groove is opened on one side of the positioning plate 2; the mounting groove is a U-shaped structure; a positioning groove corresponding to a positioning ring is opened on the inner side of the mounting groove; and a positioning ring on the outer side extends into the interior of the mounting groove. The mounting groove provided by the positioning plate 2 realizes the effect of convenient installation of the first friction rod 302; the positioning groove and positioning ring realize the effect of lateral positioning of the rotation position of the roller 303; there are two adjusting rollers 303; the cotton towel is passed between the two adjusting rollers 303; the two adjusting rollers 303 cooperate with each other and flexibly press the cotton towel under the support of the spring; the adjusting rollers 303 cooperate with the first electric motor 301 to realize the effect of tightening, conveying and flattening the cotton towel;

[0046] In this embodiment of the disclosure, reference is made to Figures 1 to 8As shown, the unwinding mechanism 4 is composed of a second electric motor 401, a positioning frame 402, an unwinding roller 403, and a second friction rod 404. There are two positioning frames 402, each with a rotating shaft in the middle. A rotating hole is opened on one side of the positioning plate 2, through which the rotating shaft passes. The operator needs to install a positioning structure based on the rotating hole, referring to existing technology, to ensure the rotating hole can laterally position the rotating shaft, allowing the positioning frame 402 to rotate stably in the position of the rotating shaft within the rotating hole. One of the rotating shafts is connected to the drive shaft of the second electric motor 401. The operator needs to use a keyway structure, as in existing technology, to securely connect the rotating shaft and the drive shaft of the second electric motor 401, controlling the second electric motor 401 to drive the positioning frame 402 to rotate. Three sets of friction rollers are installed on the side of the positioning frame 402, arranged in a Y-shape. A second friction rod 404 is installed on each side of the unwinding roller 403. The positioning structure of the second friction rod 404 is the same as that of the first friction rod 302. The friction roller 403 and the second friction rod 404 rotate when the unwinding roller 403 and the second friction rod 404 rotate, causing the friction roller to rotate. The support plate installed on the outside of the positioning plate 2 has a positioning block at the top. The positioning block has a T-shaped structure. A sliding plate is installed at the top of the positioning plate 2. A sliding groove corresponding to the positioning block is opened at the bottom of the sliding plate. The positioning block passes through the inside of the sliding groove. The positioning block realizes the effect of vertical and circumferential positioning of the sliding plate. The fourth electric motor 7 is installed at the top of the sliding plate. The operator uses a wrench and screws to secure the installation position of the fourth electric motor 7. The push rod of the fourth electric motor 7 is securely connected to one side of the sliding plate. The connection structure refers to the existing technology. The control cylinder pushes the sliding plate and the fourth electric motor 7 to move back and forth. When the cylinder pushes the drive shaft of the fourth electric motor 7 to connect with the second friction rod 404 above, the control cylinder can drive the unwinding roller 403 above to rotate, so that the unwinding roller 403 can effectively unwind the cotton soft towel. When the cylinder pulls the second friction rod 404 to one side, the unwinding roller 403 can be effectively switched.

[0047] In this embodiment of the disclosure, reference is made to Figures 1 to 8As shown, the detection mechanism 5 consists of a third electric motor 501, a threaded rod 502, a positioning rod 503, and a drive block 504. A third electric motor 501 and a positioning rod 503 are installed at a corner above the positioning plate 2. A set of rotating holes is opened above the positioning plate 2. The two sides of the threaded rod 502 pass through the interior of the rotating holes and connect to the drive shaft of the third electric motor 501. The operator needs to set up a positioning structure based on the rotating holes, referring to existing technology, so that the rotating holes can laterally position the rotation of the threaded rod 502. The operator needs to use the keyway structure in existing technology to firmly connect the threaded rod 502 and the drive shaft of the third electric motor 501, controlling the third electric motor 501 to drive the threaded rod 502 to rotate. A threaded hole is opened on one side of the drive block 504, and the other side of the drive block 504... A sliding hole is opened on the side, and the threaded rod 502 passes through the inside of the threaded hole. The positioning rod 503 passes through the inside of the sliding hole. The positioning rod 503 achieves the effect of circumferential positioning of the moving position of the drive block 504. Therefore, when the threaded rod 502 rotates, it can control the stable lateral movement of the drive block 504. The threaded rod 502 has a bidirectional thread structure. A position sensor is installed above the drive block 504. The position sensor is selected from the existing laser detection technology. The specific model of the position sensor is selected as needed. Therefore, when the threaded rod 502 rotates, it can control the position sensor to reciprocate, aligning the laser emitted by the position sensor with the top of the unwinding roller 403. The lateral movement of the position sensor detects whether the unwinding roller 403 is bent or tilted, so that the unwinding roller 403 can better roll up and unwind the soft towel.

[0048] In this embodiment of the disclosure, reference is made to Figures 1 to 8As shown, a stabilizing bracket 6 connected by a hinge is installed on the outer side of the stabilizing block 304. A set of stabilizing brackets 6 connected by hinges is also installed on the outer side of the positioning bracket 402. A support plate is installed on the outer side of the positioning plate 2. A cylinder and a fourth electric motor 7 are installed above the support plate. A sliding hole is opened on one side of the stabilizing bracket 6, and a locking rod 601 passes through the interior of the sliding hole. A support spring and a retaining ring are installed on the outer side of the locking rod 601. A positioning ring is provided on one side of the locking rod 601. With the cooperation of the positioning ring and the retaining ring, the support spring stores force to elastically support the locking rod 601. A stabilizing groove is opened on one side of the stabilizing block 304. A set of stabilizing grooves is opened on the outer side of the positioning bracket 402. The positioning ring extends to the outer side of the positioning bracket 402 under the support of the spring. Inside the stabilizing groove, the locking rod 601 ensures the stabilizing frame 6 is securely engaged. The worker can unlock the stabilizing frame 6 by pulling the locking rod 601 outwards, allowing for flexible assembly and disassembly of the adjusting roller 303 and the unwinding roller 403, and facilitating their replacement. A set of friction rollers is installed in the middle of the stabilizing frame 6. After the stabilizing frame 6 is engaged and secured, the friction rollers work together to position the adjusting roller 303 and the unwinding roller 403 vertically. This allows the positioning frame 402 to rotate and switch the unwinding roller 403, enabling the unwinding roller 403 to feed and unload another set of unwinding rollers 403 during the winding of the soft towel, thus shortening the feeding and unloading time of the unwinding roller 403.

[0049] Example 2, based on Example 1, with reference to Figures 1 to 8 As shown, a controller for unwinding cotton towel production, which is based on the prior art, needs to be installed on the foundation of the stabilizing plate 1. The controller is electrically connected to the first electric motor 301, the second electric motor 401, the third electric motor 501, the cylinder, and the fourth electric motor 7 respectively. The stabilizing plate 1 is then installed with bolts at a convenient unwinding position on one side of the cotton towel production line.

[0050] The working principle of this embodiment:

[0051] Installation and initialization steps of the cotton towel production equipment

[0052] The staff places the stabilizing plate 1 at a suitable position selected on one side of the cotton towel production line. Using a wrench, the positioning rail 101 is securely installed on top of the stabilizing plate 1 with bolts. The sliding groove at the bottom of the positioning plate 2 is aligned with the positioning rail 101 and slid in, so that the positioning plate 2 can move along the positioning rail 101. After adjusting to the appropriate position, the locking bolt at the bottom of the positioning plate 2 is turned with a wrench to fix the position of the positioning plate 2. The installation of the positioning rail 101 ensures the vertical and circumferential positioning of the moving position of the positioning plate 2, and can be flexibly adjusted according to the different lengths of the adjusting roller 303 and the unwinding roller 403.

[0053] On the outside of the positioning plate 2, the first electric motor 301 and the second electric motor 401 are securely installed in the bolt mounting holes corresponding to their upper and lower positions using a wrench and bolts in accordance with the prior art. A gear is installed on the outside of the drive shaft of the first electric motor 301 and meshes with the rack on one side of one of the stabilizing blocks 304. The drive shaft of the second electric motor 401 is securely connected to the rotating shaft of one of the positioning frames 402 through a keyway structure, while ensuring that the rotating shaft passes through the rotating hole on one side of the positioning plate 2 and that the rotating hole provides lateral positioning for the rotation of the rotating shaft, ensuring that the positioning frame 402 can rotate stably.

[0054] First friction rods 302 are installed on both sides of the adjusting roller 303. Using a wrench and bolts, they are fixed to the adjusting roller 303 through the bolt mounting holes in the middle of the first friction rods 302. The first friction rods 302 are made of a metal with good hardness. The first friction rods 302 are securely connected to the drive shaft of the first electric motor 301 via a keyway structure. Simultaneously, the positioning ring on the outer side of the first friction rod 302 is embedded into the positioning groove on the inner side of the U-shaped mounting groove on one side of the positioning plate 2, achieving lateral positioning of the rotating position of the adjusting roller 303. Two sets of stabilizing blocks 304 are installed, two in each set. The upper stabilizing block 304 has sliding holes on both sides, and the lower stabilizing block 304 has positioning blocks on both sides. The positioning blocks pass through the sliding holes and are fitted with support springs and retaining rings on their outer sides, allowing the upper and lower stabilizing blocks 304 to achieve circumferential positioning and move towards each other under the action of the springs. Friction rollers are installed on the upper and lower stabilizing blocks 304 respectively. When the first friction rod 302 rotates, it drives the friction rollers to rotate, reducing the friction between the adjusting roller 303 and the first friction rod 302 during rotation. A cotton towel is passed between the two adjusting rollers 303. Under the support of the springs, the two adjusting rollers 303 flexibly press the cotton towel. At this time, the adjusting rollers 303 can cooperate with the first electric motor 301 to achieve the tightening, conveying, and flattening operations of the cotton towel.

[0055] The positioning frame 402 is installed. There are two positioning frames 402, with a rotating shaft in the middle. The rotating shaft passes through the rotating hole of the positioning plate 2 and achieves lateral positioning. Three sets of friction rollers are installed on the side of the positioning frame 402 in a Y shape. The unwinding roller 403 is installed on both sides of the second friction rod 404. Its positioning structure is the same as that of the first friction rod 302. The second friction rod 404 is installed at the position of the friction roller, so that when the unwinding roller 403 and the second friction rod 404 rotate, they drive the friction roller to rotate.

[0056] A third electric motor 501 and a positioning rod 503 are installed at the upper corner of the positioning plate 2. The threaded rod 502 passes through the rotating holes on both sides of the positioning plate 2 and is securely connected to the drive shaft of the third electric motor 501 through a keyway structure. At the same time, the rotating holes provide lateral positioning for the rotation of the threaded rod 502. A threaded hole is opened on one side of the drive block 504, and a sliding hole is opened on the other side. The threaded rod 502 passes through the threaded hole, and the positioning rod 503 passes through the sliding hole, thereby achieving circumferential positioning of the movement position of the drive block 504. The third electric motor 501 can drive the threaded rod 502 to rotate and drive the drive block 504 to move laterally stably. A position sensor is installed above the drive block 504, and the laser emitted by the sensor is aligned with the top of the unwinding roller 403. This allows the sensor to detect whether the unwinding roller 403 is bent or tilted by its lateral movement, ensuring that the unwinding roller 403 can better perform the winding and unwinding operations of the cotton towel.

[0057] A stabilizing frame 6 with a hinge is installed on the outer side of the stabilizing block 304 and the outer side of the positioning frame 402 respectively. A sliding hole is opened on one side of the stabilizing frame 6. The locking rod 601 is passed through the sliding hole. A support spring and a snap ring are installed on its outer side, and a positioning ring is set so that the positioning ring extends into the stabilizing groove opened on the outer side of the stabilizing block 304 or the positioning frame 402 under the support of the spring, so as to achieve the stabilizing effect after the stabilizing frame 6 is locked. When it is necessary to disassemble and adjust the roller 303 or unwind roller 403, the locking rod 601 can be pulled outward to unlock the stabilizing frame 6, so as to achieve flexible disassembly and easy replacement. A friction roller is installed in the middle of the stabilizing frame 6. After locking and stabilizing, the friction roller works with the roller to achieve the upper and lower positioning effect of the adjusting roller 303 and the unwind roller 403. When the positioning frame 402 rotates, it can drive the unwind roller 403 to switch, so as to realize the feeding and unloading operation of the other set of unwind rollers 403 during the winding of the cotton soft towel, shortening the feeding and unloading time.

[0058] The winding operation steps in the production of cotton soft towels are as follows: the cotton soft towel to be wound is passed between two adjusting rollers 303, and the cotton soft towel is stretched so that one side of the cotton soft towel is in contact with the unwinding roller 403. The control cylinder pushes the drive shaft of the fourth electric motor 7 and connects it with the second friction rod 404 above, so that the fourth electric motor 7 can drive the unwinding roller 403 above to rotate, so that the cotton soft towel is wound up. At the same time, the first electric motor 301 is started. The drive shaft of the first electric motor 301 rotates, and through the meshing of gears and racks, it drives the adjusting roller 303 to move up and down, completing the tensioning and conveying steps of the cotton soft towel. The above steps can be reversed to complete the unwinding operation steps of the production of cotton soft towels. At the same time, the two adjusting rollers 303 are used to tighten, convey and flatten the cotton soft towel.

[0059] When the cylinder stretches the second friction rod 404 to one side, the unwinding roller 403 can be effectively switched. The second electric motor 401 is started, driving the positioning frame 402 to rotate, which in turn drives the unwinding roller 403 to switch. This allows one set of unwinding rollers 403 to roll up the cotton soft towel while the other set of unwinding rollers 403 performs feeding or unloading operations, improving production efficiency. During the rotation of the unwinding roller 403, the second friction rods 404 on both sides drive the friction rollers to rotate, reducing friction and ensuring smooth unwinding.

[0060] Start the third electric motor 501 to drive the threaded rod 502 to rotate, causing the drive block 504 to move laterally. The position sensor moves accordingly and emits a laser to detect whether the unwinding roller 403 is bent or tilted. If an abnormality is detected, the equipment can be stopped in time for adjustment to ensure unwinding quality.

[0061] Maintenance and adjustment steps for the unwinding device in cotton towel production: During the production process of cotton towels, regularly check the operation of each component, such as whether there is abnormal wear, looseness or malfunction of components such as adjusting roller 303, unwinding roller 403, friction rod, electric motor, etc. If it is necessary to replace adjusting roller 303 or unwinding roller 403, first pull the locking rod 601 outward to unlock the stabilizing frame 6, then remove the old roller and install the new roller. After installation, reset the locking rod 601 so that the stabilizing frame 6 is locked and secured again.

[0062] Depending on the production needs of the cotton towels or the operating status of the equipment, the position of the positioning plate 2 and the pressing degree of the roller 303 can be adjusted in a timely manner. When adjusting the position of the positioning plate 2, first loosen the locking bolt, move the positioning plate 2 to the appropriate position, and then tighten the locking bolt again. The pressing degree of the roller 303 can be adjusted by replacing the support spring with a different elastic coefficient or by adjusting the relative position of the stabilizing block 304.

[0063] After the cotton towel winding and unwinding steps are completed, the operation of the third electric motor 501, the second electric motor 401, and the first electric motor 301 is stopped in sequence. The equipment is thoroughly cleaned to remove residual fibers, dust, and other impurities from the cotton towel production process. All components are checked to ensure they are in their proper positions, preparing for the next production run. In the case of Embodiment 2, the stopping and starting of the first electric motor 301, the second electric motor 401, and the third electric motor 501 can be conveniently controlled by a controller installed on the stabilizing plate 1, making the operation more convenient and efficient.

[0064] The following points should be noted in this article:

[0065] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0066] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0067] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A cotton towel production unwinding device, comprising: The system comprises a stabilizing plate (1), an adjusting mechanism (3), and an unwinding mechanism (4). Two symmetrically distributed positioning plates (2) are installed above the stabilizing plate (1). The system is characterized by an adjusting mechanism (3), an unwinding mechanism (4), and a detection mechanism (5) installed between the two positioning plates (2). The adjusting mechanism (3) consists of a first electric motor (301), a first friction rod (302), an adjusting roller (303), and a stabilizing block (304). The unwinding mechanism (4) consists of a second electric motor (401), a positioning frame (402), an unwinding roller (403), and a second friction rod (404). The detection mechanism (5) consists of a third electric motor (501), a threaded rod (502), a positioning rod (503), and a driving block (504). The stabilizing block (304) is composed of a stabilizing frame (6) connected by a hinge on the outer side of the stabilizing block (304) and a stabilizing frame (6) connected by a hinge on the outer side of the positioning frame (402). A sliding hole is opened on one side of the stabilizing frame (6), and a locking rod (601) passes through the inside of the sliding hole. A support spring and a snap ring are installed on the outer side of the locking rod (601). A positioning ring is provided on one side of the locking rod (601). A stabilizing groove is opened on one side of the stabilizing block (304). A set of stabilizing grooves is opened on the outer side of the positioning frame (402). A set of friction rollers is installed in the middle of the stabilizing frame (6). A support plate is installed on the outer side of the positioning plate (2). A cylinder and a fourth electric motor (7) are installed on the upper part of the support plate.

2. The cotton towel production unwinding device according to claim 1, characterized in that, A set of symmetrically distributed positioning rails (101) are installed on the upper part of the stabilizing plate (1). A set of sliding grooves corresponding to the positioning rails (101) are provided at the bottom of the positioning plate (2). The positioning rails (101) pass through the interior of the sliding grooves. A set of locking bolts are installed at the bottom of the positioning plate (2).

3. The cotton towel production unwinding device according to claim 1, characterized in that, A first electric motor (301) and a second electric motor (401) are installed on the outer side of the positioning plate (2). A set of bolt mounting holes are opened on the upper and lower positions of the positioning plate (2). A gear is installed on the outer side of the drive shaft of the first electric motor (301). A rack that meshes with the gear is provided on one side of one of the stabilizing blocks (304).

4. The cotton towel production unwinding device according to claim 1, characterized in that, There are two adjusting rollers (303). A first friction rod (302) is installed on each side of the adjusting roller (303). A bolt mounting hole is opened in the middle of the first friction rod (302). The drive shaft of the first electric motor (301) is connected to one of the first friction rods (302).

5. The cotton towel production unwinding device according to claim 1, characterized in that, There are two sets of stabilizing blocks (304), with two blocks in each set. The upper stabilizing block (304) has a set of sliding holes on both sides, and the lower stabilizing block (304) has a set of positioning blocks on both sides. The positioning blocks pass through the interior of the sliding holes and are fitted with a support spring and a retaining ring on the outside. The upper stabilizing block (304) has a set of friction rollers installed at the upper position, and the lower stabilizing block (304) has a set of friction rollers installed at the bottom position. The first friction rods (302) are installed at the positions of the friction rollers.

6. The cotton towel production unwinding device according to claim 1, characterized in that, The outer side of the first friction rod (302) is provided with a set of positioning rings. A mounting groove is opened on one side of the positioning plate (2). A positioning groove corresponding to a positioning ring is opened on the inner side of the mounting groove. One of the outer positioning rings extends into the interior of the mounting groove. There are two adjusting rollers (303).

7. The cotton towel production unwinding device according to claim 1, characterized in that, There are two positioning frames (402). A rotating shaft is provided in the middle of the positioning frame (402). A rotating hole is opened on one side of the positioning plate (2). The rotating shaft passes through the interior of the rotating hole. One of the rotating shafts is connected to the drive shaft of the second electric motor (401). Three sets of friction rollers are installed on the side of the positioning frame (402). A second friction rod (404) is installed on each side of the unwinding roller (403). The second friction rod (404) is installed at the position of the friction roller.

8. The cotton towel production unwinding device according to claim 1, characterized in that, The support plate installed on the outside of the positioning plate (2) has a positioning block at the top. A sliding plate is installed at the top of the positioning plate (2). A sliding groove corresponding to the positioning block is opened at the bottom of the sliding plate. The positioning block passes through the inside of the sliding groove. The fourth electric motor (7) is installed at the top of the sliding plate. The push rod of the fourth electric motor (7) is securely connected to one side of the sliding plate.

9. A cotton towel production unwinding device according to claim 1, characterized in that, A third electric motor (501) and a positioning rod (503) are installed at the corner above the positioning plate (2). A set of rotating holes are opened at the top of the positioning plate (2). The two sides of the threaded rod (502) pass through the interior of the rotating holes and are connected to the drive shaft of the third electric motor (501). A threaded hole is opened on one side of the drive block (504), and a sliding hole is opened on the other side of the drive block (504). The threaded rod (502) passes through the interior of the threaded hole, and the positioning rod (503) passes through the interior of the sliding hole. The threaded rod (502) has a bidirectional thread structure. A position sensor is installed above the drive block (504).

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