Friction compression roller mechanism of unreeling machine

Abstract

The utility model belongs to the field of unreeling machines, and provides an unreeling machine friction compression roller mechanism which comprises a connecting arm, a guide roller and an adjusting assembly. Wherein the connecting arm is connected to a rack used for mounting an unwinding shaft; the guide roller is rotationally mounted on the connecting arm and is parallel to the unwinding shaft; the adjusting assembly comprises an air cylinder installed on the connecting arm, a core shaft connected to the output end of the air cylinder and a rubber coating pressing roller which is arranged on the core shaft in a sleeving mode through a bearing and can rotate around the core shaft, the rubber coating pressing roller is parallel to the guide roller and can be driven by the air cylinder to be close to or away from the guide roller, and a channel for a target strip to pass through is formed between the rubber coating pressing roller and the guide roller.

Description

Technical Field

[0001] The present application belongs to the field of unwinding machines, and more specifically, relates to a friction roller mechanism of an unwinding machine. Background Art

[0002] In modern industrial production, unwinders, as an important automation equipment, are widely used in textile, packaging, printing and other fields. Among them, the unwinding mechanism, as the core component of the unwinder, has a direct impact on the operating efficiency and product quality of the unwinder. However, in the process of replacing the strip with the unwinder, due to the design defects of the traditional unwinder, the end of the strip is often easy to fall off and the connection efficiency of the new and old strips is low, which seriously affects the unwinding efficiency of the unwinder. Therefore, it is necessary to solve the above technical problems. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a friction roller mechanism for an unwinding machine to solve the technical problem of low efficiency of unwinding machines in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted in the present application is: to provide a friction roller mechanism of an unwinding machine, comprising:

[0005] A connecting arm connected to a frame for mounting an unwinding shaft;

[0006] A guide roller, rotatably mounted on the connecting arm and parallel to the unwinding shaft;

[0007] The adjusting assembly comprises a cylinder mounted on the connecting arm, a mandrel connected to the output end of the cylinder, and a rubber-coated pressure roller which is sleeved on the mandrel through a bearing and can rotate around the mandrel, the rubber-coated pressure roller is parallel to the guide roller and can be driven by the cylinder to approach or move away from the guide roller, and a channel for the target strip to pass through is formed between the rubber-coated pressure roller and the guide roller.

[0008] Optionally, the adjustment assembly further comprises a slide seat connected to the connecting arm and a slider connected to the end of the mandrel;

[0009] The slide seat forms a slide groove which is parallel to the output direction of the cylinder and for the slide block to move.

[0010] Optionally, the adjustment assembly further comprises a self-aligning ball bearing connected to the end of the core shaft, and the core shaft is connected to the slider via the self-aligning ball bearing.

[0011] Optionally, the output end of the cylinder is connected to a floating joint, and the core shaft is detachably connected to the cylinder through the floating joint.

[0012] Optionally, the floating joint is threadedly connected to the core shaft, and the adjustment assembly further comprises a locking nut threadedly connected to the floating joint and capable of locking the core shaft on the floating joint.

[0013] Optionally, the adjustment assembly further comprises a friction plate and a positioning sleeve connected to the core shaft at intervals, and the rubber-coated pressure roller is located between the friction plate and the positioning sleeve;

[0014] One end of the rubber-coated pressure roller close to the friction plate is connected to a movable plate that can rotate with the rubber-coated pressure roller. The rubber-coated pressure roller abuts against the friction plate through the movable plate and can rub against the friction plate during the process of rotating relative to the core shaft.

[0015] Optionally, the adjustment assembly further comprises an adjustment nut threadedly connected to the mandrel and a pressure plate movably sleeved on the mandrel, wherein the adjustment nut and the pressure plate are both used to move relative to the mandrel along the axial direction of the mandrel;

[0016] The adjustment assembly also includes a spring sleeved on the core shaft and located between the adjustment nut and the pressure plate, and the friction plate is connected to the pressure plate.

[0017] Optionally, the pressure plate is connected to the core shaft via a key parallel to the axial direction of the core shaft.

[0018] The beneficial effect of the friction roller mechanism of the unwinder provided by the present application is that: compared with the prior art, the friction roller mechanism of the unwinder provided by the present application is provided with a guide roller and a rubber-coated roller connected to the connecting arm, a passage for the target strip to pass through is formed between the rubber-coated roller and the guide roller, and the rubber-coated roller can approach or move away from the guide roller under the driving action of the cylinder. When the unwinder needs to replace the strip, the rubber-coated roller can be driven by the cylinder to approach the guide roller and clamp the strip tightly between the rubber-coated roller and the guide roller, so that the end of the strip can avoid falling and can be connected to the newly replaced strip more quickly, thereby significantly improving the unwinding efficiency of the unwinder, which is far superior to the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 The overall structure of the friction roller mechanism of the unwinding machine provided in the embodiment of the present application is schematically shown. Figure 1 ;

[0021] Figure 2 The overall structure of the friction roller mechanism of the unwinding machine provided in the embodiment of the present application is schematically shown. Figure 2 ;

[0022] Figure 3 Schematic diagram of the working state of the friction roller mechanism of the unwinding machine provided in the embodiment of the present application Figure 1 ;

[0023] Figure 4 Schematic diagram of the working state of the friction roller mechanism of the unwinding machine provided in the embodiment of the present application Figure 2 ;

[0024] Figure 5 A schematic diagram of the front view of the friction roller mechanism of the unwinding machine provided in an embodiment of the present application;

[0025] Figure 6 A schematic side view of the friction roller mechanism of the unwinding machine provided in an embodiment of the present application;

[0026] Figure 7 For along Figure 6 Cross-sectional structure diagram along line AA.

[0027] Among them, the figure marks in the figure are: 101, connecting arm; 102, unwinding shaft; 103, frame; 104, guide roller; 105, cylinder; 106, core shaft; 107, bearing; 108, rubber-coated pressure roller; 109, sliding seat; 110, slider; 111, self-aligning ball bearing; 112, floating joint; 113, locking nut; 114, friction plate; 115, positioning sleeve; 116, movable plate; 117, adjusting nut; 118, pressure plate; 119, spring; 120, key iron. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] Please also read Figures 1 to 7 Now, a friction roller mechanism of an unwinding machine provided in an embodiment of the present application is described. The friction roller mechanism of the unwinding machine includes a connecting arm 101, a guide roller 104 and an adjustment component. Among them:

[0033] The connecting arm 101 is connected to a frame 103 for mounting an unwinding shaft 102, and the guide roller 104 is rotatably mounted on the connecting arm 101 and parallel to the unwinding shaft 102. The adjustment assembly includes a cylinder 105 mounted on the connecting arm 101, a mandrel 106 connected to the output end of the cylinder 105, and a rubber-coated pressure roller 108 sleeved on the mandrel 106 through a bearing 107 and capable of rotating around the mandrel 106. The rubber-coated pressure roller 108 is parallel to the guide roller 104 and can be driven by the cylinder 105 to approach or move away from the guide roller 104, and a channel for the target strip to pass through is formed between the rubber-coated pressure roller 108 and the guide roller 104.

[0034] According to the above structure provided in this embodiment, the friction roller mechanism of the unwinder provided in this embodiment is provided with a guide roller 104 and a rubber-coated roller 108 connected to the connecting arm 101, a passage for the target strip to pass through is formed between the rubber-coated roller 108 and the guide roller 104, and the rubber-coated roller 108 can approach or move away from the guide roller 104 under the driving action of the cylinder 105. When the unwinder needs to replace the strip, the rubber-coated roller 108 can be driven by the cylinder 105 to approach the guide roller 104 and clamp the strip tightly between the rubber-coated roller 108 and the guide roller 104, so that the end of the strip can be prevented from falling and can be connected to the newly replaced strip more quickly, thereby significantly improving the unwinding efficiency of the unwinder, which is far superior to the prior art.

[0035] In another embodiment of the present application, please refer to Figures 1 to 7The adjustment assembly further includes a slide 109 connected to the connecting arm 101 and a slider 110 connected to the end of the mandrel 106. The slide 109 forms a slide groove parallel to the output direction of the cylinder 105 and for the slider 110 to move. According to the above structure provided in this embodiment, the movement stability of the rubber-coated pressure roller 108 can be significantly improved through the sliding connection between the slider 110 and the slide 109, which is conducive to making the rubber-coated pressure roller 108 better match the guide roller 104 and further improve the unwinding efficiency of the unwinding machine.

[0036] In another embodiment of the present application, please refer to Figures 1 to 7 The adjustment assembly further includes a self-aligning ball bearing 111 connected to the end of the mandrel 106, and the mandrel 106 is connected to the slider 110 through the self-aligning ball bearing 111. According to the above structure provided in this embodiment, the mandrel 106 is connected to the slider 110 through the self-aligning ball bearing 111, which is beneficial for the mandrel 106 to avoid motion interference with the slider 110 during movement, and is beneficial for further improving the operating stability of the friction roller mechanism of the unwinding machine in this embodiment.

[0037] In another embodiment of the present application, please refer to Figures 1 to 7 The output end of the cylinder 105 is connected with a floating joint 112, and the mandrel 106 is detachably connected to the cylinder 105 through the floating joint 112. According to the above structure provided in this embodiment, the mandrel 106 is detachably connected to the cylinder 105 through the floating joint 112, which is conducive to the rapid installation and removal of the mandrel 106, and is conducive to significantly improving the installation convenience of the friction roller mechanism of the unwinding machine in this embodiment.

[0038] In another embodiment of the present application, please refer to Figures 1 to 7 , the floating joint 112 is threadedly connected to the core shaft 106, and the adjustment assembly further includes a locking nut 113 threadedly connected to the floating joint 112 and capable of locking the core shaft 106 on the floating joint 112. According to the above structure provided in this embodiment, after the floating joint 112 is threadedly connected to the core shaft 106, it can be locked by the locking nut 113, which is conducive to significantly improving the connection stability between the floating joint 112 and the core shaft 106.

[0039] In another embodiment of the present application, please refer to Figures 1 to 7The adjustment assembly further includes a friction plate 114 and a positioning sleeve 115 connected to the core shaft 106 at intervals, the rubber-coated pressure roller 108 is located between the friction plate 114 and the positioning sleeve 115, and the end of the rubber-coated pressure roller 108 close to the friction plate 114 is connected to a movable plate 116 that can rotate with the rubber-coated pressure roller 108, and the rubber-coated pressure roller 108 abuts against the friction plate 114 through the movable plate 116 and can rub against the friction plate 114 during the rotation relative to the core shaft 106. According to the above structure provided in this embodiment, the friction between the rubber-coated pressure roller 108 and the friction plate 114 through the movable plate 116 is conducive to making the rotation speed of the rubber-coated pressure roller 108 adapt to the strip unwound on the unwinding shaft 102, thereby preventing the strip from sliding relative to the rubber-coated pressure roller 108, so that the strip can be easily flattened on the rubber-coated pressure roller 108 after passing through the rubber-coated pressure roller 108, which is conducive to significantly improving the unwinding quality of the friction pressure roller mechanism of the unwinding machine in this embodiment.

[0040] In another embodiment of the present application, please refer to Figures 1 to 7 The adjusting assembly further includes an adjusting nut 117 threadedly connected to the mandrel 106 and a pressing plate 118 movably mounted on the mandrel 106. The adjusting nut 117 and the pressing plate 118 are both used to move relative to the mandrel 106 along the axial direction of the mandrel 106. The adjusting assembly further includes a spring 119 mounted on the mandrel 106 and located between the adjusting nut 117 and the pressing plate 118. The friction plate 114 is connected to the pressing plate 118. According to the above structure provided in this embodiment, the distance between the adjusting nut 117 and the pressing plate 118 can be changed and the elastic force of the spring 119 can be changed by rotating the adjusting nut 117 on the mandrel 106, so that different friction forces can be formed between the friction plate 114 and the movable plate 116. Therefore, the friction roller mechanism of the unwinding machine provided in this embodiment can be adapted to strips of different materials by adjusting the adjusting nut 117, so that different strips can achieve a flattening effect through the rubber-coated pressing roller 108.

[0041] In another embodiment of the present application, please refer to Figures 1 to 7 The pressing plate 118 is connected to the mandrel 106 via a key iron 120 parallel to the axial direction of the mandrel 106. According to the above structure provided in this embodiment, the pressing plate 118 can move along the axial direction of the mandrel 106 via the key iron 120 parallel to the axial direction of the mandrel 106, and can avoid rotating relative to the mandrel 106 around the axial direction of the mandrel 106, which is beneficial to further improve the adjustment stability of the friction roller mechanism of the unwinding machine in this embodiment.

[0042] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A friction roller mechanism for an unwinding machine, characterized in that: include: A connecting arm (101) connected to a frame (103) for mounting an unwinding shaft (102); A guide roller (104) rotatably mounted on the connecting arm (101) and parallel to the unwinding shaft (102); An adjustment component comprises a cylinder (105) mounted on the connecting arm (101), a core shaft (106) connected to the output end of the cylinder (105), and a rubber-coated pressure roller (108) which is sleeved on the core shaft (106) through a bearing (107) and can rotate around the core shaft (106), wherein the rubber-coated pressure roller (108) is parallel to the guide roller (104) and can be driven by the cylinder (105) to approach or move away from the guide roller (104), and a channel is formed between the rubber-coated pressure roller (108) and the guide roller (104) for the target strip to pass through.

2. The friction roller mechanism of the unwinding machine according to claim 1, characterized in that: The adjustment assembly further comprises a sliding seat (109) connected to the connecting arm (101) and a sliding block (110) connected to the end of the core shaft (106); The slide seat (109) forms a slide groove parallel to the output direction of the cylinder (105) and for the slide block (110) to move.

3. The friction roller mechanism of the unwinding machine according to claim 2, characterized in that: The adjustment assembly further comprises a self-aligning ball bearing (111) connected to the end of the core shaft (106); the core shaft (106) is connected to the sliding block (110) via the self-aligning ball bearing (111).

4. The friction roller mechanism of the unwinding machine according to claim 1, characterized in that: The output end of the cylinder (105) is connected to a floating joint (112), and the core shaft (106) is detachably connected to the cylinder (105) via the floating joint (112).

5. The friction roller mechanism of the unwinding machine according to claim 4, characterized in that: The floating joint (112) is threadedly connected to the core shaft (106), and the adjustment assembly further comprises a locking nut (113) threadedly connected to the floating joint (112) and capable of locking the core shaft (106) on the floating joint (112).

6. The friction roller mechanism of the unwinding machine according to claim 1, characterized in that: The adjustment assembly further comprises a friction plate (114) and a positioning sleeve (115) connected to the core shaft (106) at intervals, and the rubber-coated pressure roller (108) is located between the friction plate (114) and the positioning sleeve (115); One end of the rubber-coated pressure roller (108) close to the friction plate (114) is connected to a movable plate (116) capable of rotating along with the rubber-coated pressure roller (108); the rubber-coated pressure roller (108) abuts against the friction plate (114) through the movable plate (116) and can rub against the friction plate (114) during the process of rotating relative to the core shaft (106).

7. The friction roller mechanism of the unwinding machine according to claim 6, characterized in that: The adjustment assembly further comprises an adjustment nut (117) threadedly connected to the core shaft (106) and a pressure plate (118) movably sleeved on the core shaft (106), wherein the adjustment nut (117) and the pressure plate (118) are both used to move relative to the core shaft (106) along the axial direction of the core shaft (106); The adjustment assembly also includes a spring (119) which is sleeved on the core shaft (106) and located between the adjustment nut (117) and the pressure plate (118), and the friction plate (114) is connected to the pressure plate (118).

8. The friction roller mechanism of the unwinding machine according to claim 7, characterized in that: The pressure plate (118) is connected to the core shaft (106) via a key iron (120) parallel to the axial direction of the core shaft (106).

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