Fine adjustment device for the gap of a pulling roller

Abstract

The utility model relates to the field of traction roller discloses a kind of precision adjusting device of traction roller gap, solve the staff before carrying out traction roller lateral adjustment, be influenced by "efficient production" "operation inertia" and other factors, easy to miss the foreign matter checking step between two rollers, directly start adjusting mechanism and carry out lateral displacement operation, improve the probability of product damage, a kind of precision adjusting device of traction roller gap, including base, first support plate fixedly connected in base upper, motor fixedly connected in first support plate one side, rotating shaft fixedly connected in motor output end, driving roller rotationally connected in first support plate inner side and rotating shaft fixed connection, by before adjusting driven roller and driving roller gap, push operation will be forced to first lift driven roller, make the vertical gap between two rollers increase, promote the impurities stuck therein automatically drop, thereby reduce the probability of product damage due to impurities retention.

Description

Technical Field

[0001] This utility model relates to the field of traction rollers, specifically a precision adjustment device for the gap of traction rollers. Background Technology

[0002] In the textile fabric processing industry, traction rollers, as the core component for fabric conveying and tension control, directly determine the fabric processing quality (such as avoiding defects like stretching deformation, wrinkles, and misalignment). With the development of thinner and softer fabrics (such as silk and microfiber fabrics) and more functional fabrics (such as elastic knitted fabrics and coated fabrics), the requirements for the precision and stability of traction roller gap adjustment have significantly increased. Various gap adjustment devices (such as wedge-shaped gap adjustment mechanisms, slider seat screw adjustment devices, and belt-driven gear adjustment devices) have been widely used in production processes such as dyeing, calendering, and coating.

[0003] The core design focus of existing traction roller gap adjustment devices is on "improving adjustment accuracy" and "simplifying operation procedures." For example, precision screws and linear guides are used to optimize the smoothness of lateral adjustment, and cylinder drives and displacement sensors are used to achieve automated monitoring and compensation of the gap. However, in actual fabric traction production scenarios, due to the special nature of fabric processing—fiber shedding, fabric joints (such as double or multi-layer seam joints), and defects (such as roving knots and repair blocks) are easily generated during processing, and there may be foreign objects such as tool fragments and metal gaskets in the workshop environment. These objects can easily enter the gap between the driving roller and the driven roller during traction, forming "foreign objects trapped."

[0004] When there is a large object between the two rollers (such as a fabric joint with a thickness exceeding 2mm, or a volume greater than 5mm) 3 When a foreign object (metallic foreign object) is present, direct lateral adjustment will cause a series of chain damage problems: First, the foreign object will form a rigid support point between the two rollers, destroying the original parallelism of the roller surface, resulting in a sudden increase in local force on the roller surface during the adjustment process. Soft rubber rollers are easily pressed with permanent dents, while hard chrome-plated rollers may be scratched or chipped due to the pressure of the foreign object, directly reducing the accuracy of the roller surface, and easily producing defects such as indentation and pilling when pulling the fabric in the future.

[0005] The common operational pain point in the industry is that, before adjusting the traction rollers laterally, workers are prone to overlooking the step of checking for foreign objects in the gap between the two rollers due to factors such as "high-efficiency production" and "operational inertia," and directly start the adjustment mechanism to perform lateral displacement operation, which increases the probability of product damage. Utility Model Content

[0006] The purpose of this invention is to provide a precision adjustment device for the gap between traction rollers. By using this device, the problem that workers are prone to overlooking the foreign object inspection step in the gap between the two rollers before lateral adjustment of the traction rollers due to factors such as "high-efficiency production" and "operational inertia," and directly start the adjustment mechanism for lateral displacement operation, which increases the probability of product damage.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a precision adjustment device for the gap of traction rollers, comprising a base, a first support plate fixedly connected above the base, a motor fixedly connected to one side of the first support plate, a rotating shaft fixedly connected to the output end of the motor, an active roller rotatably connected to the inner side of the first support plate and fixedly connected to the rotating shaft, a driven roller disposed on one side of the active roller, a material feed port disposed in the middle of the base, a threaded mechanism disposed below the base, and a rotating mechanism disposed on one side of the threaded mechanism;

[0008] The threaded mechanism includes a third support plate slidably connected to the middle of the base. The upper surface of the third support plate is provided with a first guide groove. A threaded hole is provided in the middle of the third support plate. A threaded rod is threadedly connected to the inner side of the threaded hole. A first guide rod is provided inside the first guide groove. First holes are provided inside both sides of the base. A push rod that is rotatably connected to the driven roller is provided inside the first hole. A first groove for nesting the first guide rod is provided inside the push rod.

[0009] Preferably, the first guide groove has an inclined straight line shape, and the first guide groove and the first guide rod are fitted with a clearance fit.

[0010] Preferably, the central axis of the push rod is parallel to the central axis of the first guide rod, and the outer side of the first guide rod is in contact with the inner side of the first groove.

[0011] Preferably, the sliding direction of the third support plate is consistent with the axial direction of the threaded rod.

[0012] Preferably, the rotating mechanism includes a second support plate fixedly connected to the base on one side of the third support plate. The second support plate has a second hole on its inner side, a push block on its inner side, and a second groove on its inner side. A rotating rod is fixedly connected to one end of the threaded rod near the second support plate. A spring fixedly connected to the rotating rod is fixedly connected to the inner side of the second groove. A connecting plate is rotatably connected to one end of the push block near the second support plate. A sliding plate slidably connected to the third support plate is slidably connected to one end of the connecting plate. A second guide groove is provided on one side of the sliding plate near the push rod. A second guide rod fixedly connected to the push rod is provided inside the second guide groove.

[0013] Preferably, the second groove has a cylindrical shape at the end closest to the third support plate, and a cuboid shape at the end furthest from the third support plate.

[0014] Preferably, the width of the second groove at the end near the third support plate is greater than the width of the second groove away from the third support plate.

[0015] Preferably, the rotating rod has a cuboid shape, and when the rotating rod is located at the end of the second groove away from the third support plate, the outer side of the rotating rod is in contact with the inner side of the end of the second groove away from the third support plate.

[0016] Preferably, the second guide groove has an inclined straight line shape, and the second guide groove and the second guide rod are fitted with a clearance fit.

[0017] 1. The present invention proposes a precision adjustment device for the gap of traction rollers. Before adjusting the gap between the driven roller and the driving roller, the pushing operation will force the driven roller to be lifted first, thereby increasing the vertical gap between the two rollers and causing impurities stuck in them to fall off automatically, thus reducing the probability of product damage due to impurities.

[0018] 2. The present invention proposes a precision adjustment device for the gap between traction rollers. By lifting the driven roller in the initial stage of adjustment, the inlet gap between it and the driving roller is increased, thereby making it easier for the operator to place the fabric to be traction between the two rollers and improving the convenience of material feeding.

[0019] 3. The present invention proposes a precision adjustment device for the gap of the traction roller. After the adjustment is completed, the push block is released, and the driven roller contacts the fabric during the reset and falling process. The operator can make a preliminary judgment on whether the gap is appropriate (too loose or too tight) by feeling the force. This avoids the fabric damage or equipment idling that may be caused by improper gap when directly starting the machine for testing, and improves the safety and efficiency of the adjustment. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the right-side cross-sectional structure of the first support plate of this utility model;

[0022] Figure 3 This is a schematic diagram of the right-side cross-sectional structure of the sliding plate of this utility model;

[0023] Figure 4 This is a schematic diagram of the right-side cross-sectional structure of the push rod of this utility model;

[0024] Figure 5 This is a top view of the first guide groove structure of this utility model;

[0025] Figure 6 This is a schematic diagram of the right-side cross-sectional structure of the third support plate of this utility model.

[0026] In the diagram: 1. Base; 2. First support plate; 3. Motor; 4. Rotating shaft; 5. Driving roller; 6. Driven roller; 7. Feed port; 8. Threaded mechanism; 9. Rotating mechanism; 801. Third support plate; 802. First guide groove; 803. Threaded hole; 804. Threaded rod; 805. First guide rod; 806. First hole; 807. Push rod; 808. First groove; 901. Second support plate; 902. Second hole; 903. Push block; 904. Second groove; 905. Rotating rod; 906. Spring; 907. Connecting plate; 908. Sliding plate; 909. Second guide groove; 910. Second guide rod. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-6 The present invention provides a technical solution: a precision adjustment device for the gap of traction rollers, comprising a base 1, a first support plate 2 fixedly connected above the base 1, a motor 3 fixedly connected to one side of the first support plate 2, a rotating shaft 4 fixedly connected to the output end of the motor 3, an active roller 5 rotatably connected to the inner side of the first support plate 2 and fixedly connected to the rotating shaft 4, a driven roller 6 disposed on one side of the active roller 5, a material feed port 7 disposed in the middle of the base 1, a threaded mechanism 8 disposed below the base 1, and a rotating mechanism 9 disposed on one side of the threaded mechanism 8;

[0029] The threaded mechanism 8 includes a third support plate 801 slidably connected to the lower center of the base 1. A first guide groove 802 is formed on the upper surface of the third support plate 801. A threaded hole 803 is provided inside the center of the third support plate 801. A threaded rod 804 is threadedly connected to the inner side of the threaded hole 803. A first guide rod 805 is provided inside the first guide groove 802. The first guide groove 802 has an inclined straight-line shape, and the first guide groove 802 and the first guide rod 805 are fitted with a clearance fit, allowing the first guide rod 805 to move within the first guide groove 802. The base 1 has first holes 806 on both sides. Inside the first holes 806, there is a push rod 807 that is rotatably connected to the driven roller 6. Inside the push rod 807, there is a first groove 808 for nesting the first guide rod 805. The central axis of the push rod 807 is parallel to the central axis of the first guide rod 805, and the outer side of the first guide rod 805 is in contact with the inner side of the first groove 808. The sliding direction of the third support plate 801 is consistent with the axial direction of the threaded rod 804, so that the third support plate 801 can move laterally along the axial direction of the threaded rod 804.

[0030] The rotating mechanism 9 includes a second support plate 901 fixedly connected to the base 1 on one side of the third support plate 801. A second hole 902 is provided on the inner side of the second support plate 901. A pushing block 903 is provided inside the second hole 902. A second groove 904 is provided on the inner side of the pushing block 903. A rotating rod 905 is fixedly connected to one end of the threaded rod 804 near the second support plate 901. A spring 906 fixedly connected to the rotating rod 905 is fixedly connected to the inner side of the second groove 904. A connecting plate 907 is rotatably connected to one end of the pushing block 903 near the second support plate 901. A sliding plate 908 slidably connected to the third support plate 801 is slidably connected to one end of the connecting plate 907. A second guide groove 909 is provided on the side of the sliding plate 908 near the pushing rod 807. A second guide rod 910 fixedly connected to the pushing rod 807 is provided inside the second guide groove 909. The second groove 904 is located near the... One end of the third support plate 801 has a cylindrical shape, and the end of the second groove 904 away from the third support plate 801 has a cuboid shape. The width of the end of the second groove 904 near the third support plate 801 is greater than the width of the end of the second groove 904 away from the third support plate 801. The rotating rod 905 has a cuboid shape, and when the rotating rod 905 is located at the end of the second groove 904 away from the third support plate 801, the outer side of the rotating rod 905 is in contact with the inner side of the end of the second groove 904 away from the third support plate 801. This allows the rotating rod 905 to rotate when the pushing block 903 rotates, as it is located inside the second groove 904. The second guide groove 909 has an inclined straight line shape, and the second guide groove 909 and the second guide rod 910 are in a clearance fit, allowing the second guide rod 910 to move up and down when it moves inside the second guide rod 910.

[0031] When the position of the driven roller 6 needs to be adjusted, the push block 903 is moved toward the position of the third support plate 801. When the push block 903 moves to one side of the third support plate 801, it drives the connecting plate 907, which is rotatably connected to the push block 903, so that the second guide groove 909 moves toward the position of the third support plate 801. Because the appearance structure of the second guide groove 909 is an inclined straight line, and the second guide groove 909 and the second guide rod 910 are fitted with a clearance fit, the second guide rod 910 and the push rod 807 move along the axis of the first guide rod 805. The linear motion moves upward, driving the push rod 807 and the driven roller 6 upward. This continues to push the push block 903, causing the rotating rod 905 to move into the second groove 904, away from the third support plate 801. Because the rotating rod 905 has a cuboid shape, and when it is located at the end of the second groove 904 away from the third support plate 801, its outer surface is in contact with the inner surface of that end. At this point, rotating the push block 903 causes the rotating rod 905 and the threaded rod 804 to rotate. Because the third support plate 801... The sliding direction is consistent with the axial direction of the threaded rod 804, causing the third support plate 801 to move along the axial direction of the threaded rod 804, and causing the first guide groove 802 to move laterally. Because the first guide groove 802 has an inclined straight-line shape and the first guide groove 802 and the first guide rod 805 are in a clearance fit, the first guide rod 805, the push rod 807, and the driven roller 6 are pushed to move along the trajectory of the first hole 806, adjusting the gap between the driven roller 6 and the driving roller 5. When adjusting the gap between the driven roller 6 and the driving roller 5, the operator needs to... To adjust the gap between the driven roller 6 and the driving roller 5, the driven roller 6 is first lifted, increasing the vertical gap between them. This causes any impurities stuck between the driven roller 6 and the driving roller 5 to fall off. Since the adjustment requires the operator to push the push rod 807, this reduces the chance of impurities remaining between the driven roller 6 and the driving roller 5 during adjustment, thus reducing the likelihood of product damage. After adjustment, the push block 903 is released, allowing the spring 906 to reset the push block 903 for the next adjustment.

[0032] When the driven roller 6 is pushed upward, the vertical gap between the driven roller 6 and the driving roller 5 increases. At this time, the fabric that needs to be pulled is placed between the driven roller 6 and the driving roller 5. Because the vertical gap between the driven roller 6 and the driving roller 5 increases, it is easier to feed the material.

[0033] When the push block 903 is released, the spring 906 resets the push block 903, and the driven roller 6 moves downward. The fabric to be pulled has been placed between the driven roller 6 and the driving roller 5. At this time, the driven roller 6 will contact the pulled fabric. The feedback from the contact between the driven roller 6 and the fabric can be used to roughly estimate whether it meets the set value. If the contact between the driven roller 6 and the fabric is too loose after falling, there is no obvious pressure when falling, indicating that the gap is too large. If the contact is too tight, the resistance when falling is too large, indicating that the gap is too small. This is to avoid the fabric being damaged due to excessive tight contact or the spinning due to excessive loose contact when the motor 3 drives the driving roller 5 to check whether the gap is too tight, which would affect the adjustment efficiency.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precision adjustment device for the gap of a traction roller, comprising a base (1), a first support plate (2) fixedly connected above the base (1), a motor (3) fixedly connected to one side of the first support plate (2), a rotating shaft (4) fixedly connected to the output end of the motor (3), a drive roller (5) rotatably connected to the inner side of the first support plate (2) and fixedly connected to the rotating shaft (4), a driven roller (6) disposed on one side of the drive roller (5), and a feed port (7) disposed in the middle of the base (1), characterized in that: A threaded mechanism (8) is provided below the base (1), and a rotating mechanism (9) is provided on one side of the threaded mechanism (8); The threaded mechanism (8) includes a third support plate (801) slidably connected to the middle of the base (1) below. The upper surface of the third support plate (801) is provided with a first guide groove (802). The middle of the third support plate (801) is provided with a threaded hole (803). The inner side of the threaded hole (803) is threaded with a threaded rod (804). The inner side of the first guide groove (802) is provided with a first guide rod (805). The two sides of the base (1) are provided with first holes (806). The inner side of the first hole (806) is provided with a push rod (807) rotatably connected to the driven roller (6). The inner side of the push rod (807) is provided with a first groove (808) for nesting the first guide rod (805).

2. The precision adjustment device for the traction roller gap according to claim 1, characterized in that: The first guide groove (802) has an inclined straight line shape, and the first guide groove (802) and the first guide rod (805) are fitted with a clearance fit.

3. The precision adjustment device for the traction roller gap according to claim 1, characterized in that: The central axis of the push rod (807) is parallel to the central axis of the first guide rod (805), and the outer side of the first guide rod (805) is in contact with the inner side of the first groove (808).

4. The precision adjustment device for the traction roller gap according to claim 1, characterized in that: The sliding direction of the third support plate (801) is consistent with the axial direction of the threaded rod (804).

5. The precision adjustment device for the traction roller gap according to claim 1, characterized in that: The rotating mechanism (9) includes a second support plate (901) fixedly connected to the base (1) on one side of the third support plate (801). A second hole (902) is provided on the inner side of the second support plate (901). A pushing block (903) is provided on the inner side of the second hole (902). A second groove (904) is provided on the inner side of the pushing block (903). A rotating rod (905) is fixedly connected to one end of the threaded rod (804) near the second support plate (901). A rotating rod (905) is fixedly connected to the inner side of the second groove (904). A spring (906) is fixedly connected to the rotating rod (905). The end of the push block (903) near the second support plate (901) is rotatably connected to a connecting plate (907). One end of the connecting plate (907) is slidably connected to a sliding plate (908) that is slidably connected to the third support plate (801). A second guide groove (909) is provided on the side of the sliding plate (908) near the push rod (807). A second guide rod (910) fixedly connected to the push rod (807) is provided on the inner side of the second guide groove (909).

6. The precision adjustment device for the traction roller gap according to claim 5, characterized in that: The second groove (904) has a cylindrical shape at the end near the third support plate (801), and a cuboid shape at the end away from the third support plate (801).

7. The precision adjustment device for the traction roller gap according to claim 5, characterized in that: The width of the second groove (904) near the third support plate (801) is greater than the width of the second groove (904) away from the third support plate (801).

8. The precision adjustment device for the gap of the traction rollers according to claim 5, characterized in that: The rotating rod (905) has a cuboid shape, and when the rotating rod (905) is located at the end of the second groove (904) away from the third support plate (801), the outer side of the rotating rod (905) is in contact with the inner side of the end of the second groove (904) away from the third support plate (801).

9. A precision adjustment device for the gap between traction rollers according to claim 5, characterized in that: The second guide groove (909) has an inclined straight line shape, and the second guide groove (909) and the second guide rod (910) are fitted with a clearance fit.

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