Material roll unwinding tension buffering and adjusting mechanism

Abstract

The utility model relates to the field of tension buffering and adjusting mechanisms, in particular to a material roll unwinding tension buffering and adjusting mechanism. Comprising a bottom plate, two unwinding devices and a fixing frame are fixedly connected to the upper surface of the bottom plate, a material roll body is rotatably connected to the arc surface of the fixing frame, an adjusting structure is arranged on the upper surface of the bottom plate and comprises a fixing plate and a positioning plate, the fixing plate is fixedly connected with the bottom plate, the positioning plate is fixedly connected with the bottom plate, and the positioning plate is fixedly connected with the bottom plate. The inner wall of the positioning plate is fixedly connected with a fixing column, and the arc surface of the fixing column is slidably connected with a moving block. The material roll unwinding tension buffering and adjusting mechanism solves the problems that due to the fact that an existing unwinding frame is not provided with a tension buffering device, the tension fluctuates inevitably in the unwinding process, the tension generated when the tension is increased suddenly exceeds the bearing limit of materials, the materials are fractured, and the materials are damaged. And the unwinding efficiency of the material roll is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to tension buffer adjusting mechanism field especially relates to a material roll unwinding tension buffer adjusting mechanism. BACKGROUND

[0002] Tension buffer adjusting mechanism, by bottom plate, unwinding device and fixed frame constitute, it is mainly used for buffering the tension that material roll produced in unwinding process to a kind of material roll unwinding tension buffer adjusting mechanism, it is more common in prior art.

[0003] Prior art such as the utility model with publication no. CN221680301U, the patent discloses a winding device for automobile filter paper production, the patent adopts organic frame and is provided with collecting motor, support, roller on the frame, the frame is equipped with tension adjusting mechanism, and the tension adjusting structure includes: first tension adjusting rod, second tension adjusting rod, third tension adjusting rod, first tension adjusting rod, second tension adjusting rod, third tension adjusting rod are sequentially spaced, filter paper passes the upper side of first tension adjusting rod, the lower side of second tension adjusting rod, the upper side of third tension adjusting rod after winding on filter paper cylinder on roller, first tension adjusting rod, third tension adjusting rod below are equipped with first buffer assembly, third buffer assembly respectively, the upper side of second tension adjusting rod is equipped with second buffer assembly, the utility model can gradually release after first tension adjusting rod of tension adjusting mechanism has filter paper margin, so that the tension of filter paper on filter paper roll each position is more consistent, uses ordinary motor to keep uniform speed, and cost is low.

[0004] The inventor finds that, in the process of unwinding material roll body, there is no tension buffer device installed on the existing unwinding frame, and the tension will inevitably fluctuate during unwinding, and when the tension suddenly increases, the generated tension will exceed the bearing limit of the material, which will cause the material to break and affect the material roll unwinding efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art that there is no tension buffer device installed on the existing unwinding frame, and the tension will inevitably fluctuate during unwinding, and when the tension suddenly increases, the generated tension will exceed the bearing limit of the material, which will cause the material to break and affect the material roll unwinding efficiency, and proposes a material roll unwinding tension buffer adjusting mechanism.

[0006] The utility model provides a kind of material roll unwinding tension buffer adjusting mechanism to solve the above technical problems, comprising: bottom plate, the upper surface of the bottom plate is fixedly connected with two unwinding devices and fixed frame, the circular arc surface of the fixed frame is rotatably connected with material roll body, the upper surface of the bottom plate is equipped with adjusting structure, the adjusting structure includes fixed plate and locating plate, the fixed plate is fixedly connected with bottom plate, the locating plate is fixedly connected with bottom plate, the inner wall of the locating plate is fixedly connected with fixed column, the circular arc surface of the fixed column is slidably connected with moving block, the inner wall of the fixed plate is equipped with limit slot, the inner wall of the limit slot is rotatably connected with screw rod, the screw rod is rotatably connected with fixed plate, the inner wall of the limit slot is slidably connected with link block, the link block is threadedly connected with screw rod, the upper end of the screw rod is fixedly connected with rotating plate, the upper surface of the rotating plate is rotatably connected with auxiliary rod, the inner wall of the link block is equipped with connecting groove, the inner wall of the connecting groove is slidably connected with auxiliary block, the inner wall of the connecting groove is fixedly connected with connecting rod, the connecting rod is slidably connected with auxiliary block, the circular arc surface of the connecting rod is sleeved with spring, the both ends of the spring are fixedly connected with auxiliary block and connecting groove respectively, the auxiliary block and moving block are rotatably connected with roller on the side of each other close.

[0007] The above components achieve the following effects: when personnel need to unwind the material roll, the spring and the roller can buffer the tension generated during unwinding, thereby improving the stability and precision during unwinding and improving the working efficiency of the unwinding equipment.

[0008] Preferably, the inner wall of the limit slot is fixedly connected with two limit rods, and the limit rods are slidably connected with the link block.

[0009] The above components achieve the following effects: the limit rods can limit the link block and prevent the link block from being misaligned during sliding in the inner wall of the limit slot.

[0010] Preferably, the circular arc surface of the auxiliary rod is fixedly connected with an anti-skid sleeve, and the cross section of the anti-skid sleeve is a hollow circle.

[0011] The above components achieve the following effects: the anti-skid sleeve can increase the friction between the hands of personnel and the auxiliary rod, and prevent the personnel from slipping during rotation of the auxiliary rod.

[0012] Preferably, the screw rod is a stainless steel rod.

[0013] The above components achieve the following effects: the stainless steel rod has high strength and good wear resistance, and can prevent the screw rod from deforming during short-term use.

[0014] Preferably, the inner wall of the roller is provided with a limiting structure, the limiting structure comprises two auxiliary grooves, the two auxiliary grooves are formed in the roller, the inner wall of the auxiliary groove is slidably connected with two sliding blocks, the sliding block on the inner wall of one auxiliary groove is fixedly connected with the sliding block on the inner wall of the other auxiliary groove on the side away from each other, a limiting ring is fixedly connected to the sliding blocks, an installation groove is formed in the limiting ring, a threaded rod is threadedly connected to the inner wall of the limiting ring, and an extrusion block is slidably connected to the inner wall of the installation groove and rotationally connected with the threaded rod.

[0015] The above component achieves the effect that the material in the material roll body can be limited during the unwinding process by the adjusting structure, the material in the material roll body can be prevented from being displaced during the unwinding process, and the stability and precision during the unwinding process can be further improved.

[0016] Preferably, the side, away from the threaded rod, of the extrusion block is fixedly connected with a protective pad, and the protective pad is slidably connected with the installation groove.

[0017] The above component achieves the effect that the protective pad can protect the roller and prevent the roller from directly contacting the extrusion block.

[0018] Preferably, the inner wall of the threaded rod is fixedly connected with a rotating rod, and the cross section of the rotating rod is circular.

[0019] The above component achieves the effect that the rotating rod can facilitate rotation of the threaded rod and improve the operation convenience of personnel.

[0020] Compared with the related art, the material roll unwinding tension buffer adjusting mechanism has the following beneficial effects:

[0021] The material roll unwinding tension buffer adjusting mechanism improves the stability and precision during the unwinding process, and improves the working efficiency of the unwinding equipment.

[0022] The limiting structure is provided, and the material in the material roll body can be limited by the limiting structure during the unwinding process by the adjusting structure, and the stability and precision during the unwinding process can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structure of the material roll unwinding tension buffer adjusting mechanism is shown in the schematic view of the structure of the material roll unwinding tension buffer adjusting mechanism.

[0024] Figure 2 The structure of the material roll unwinding tension buffer adjusting mechanism is shown in the schematic view of the structure of the material roll unwinding tension buffer adjusting mechanism. Figure 1Structure schematic view of the adjusting structure shown;

[0025] Figure 3 For Figure 2 Structure schematic view of the split structure shown;

[0026] Figure 4 For Figure 3 Structure schematic view of the enlarged structure at A shown;

[0027] Figure 5 For Figure 1 Structure schematic view of the limiting structure shown;

[0028] Figure 6 For Figure 5 Structure schematic view of the enlarged structure at B shown.

[0029] Reference signs in the drawing: 1, bottom plate; 2, unwinding device; 3, adjusting structure; 301, fixed plate; 302, positioning plate; 303, fixed column; 304, moving block; 305, limiting groove; 306, limiting rod; 307, linking block; 308, lead screw; 309, rotating plate; 310, auxiliary rod; 311, anti-skid sleeve; 312, auxiliary block; 313, connecting rod; 314, spring; 315, connecting groove; 316, roller; 4, limiting structure; 41, auxiliary groove; 42, sliding block; 43, mounting groove; 44, extrusion block; 45, protective pad; 46, threaded rod; 47, rotating rod; 48, limiting ring; 5, material roll body; 6, fixed frame. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0031] The specific implementation of the present application will be described in detail below with reference to specific embodiments.

[0032] Please refer to Figure 1 The material roll unwinding tension buffer adjusting mechanism provided by the embodiment of the present application comprises a bottom plate 1, two unwinding devices 2 and a fixed frame 6 are fixedly connected to the upper surface of the bottom plate 1, a material roll body 5 is rotatably connected to the arc surface of the fixed frame 6, an adjusting structure 3 is arranged on the upper surface of the bottom plate 1, and a limiting structure 4 is arranged on the inner wall of a roller 316.

[0033] In the embodiment of the present application, please refer to Figures 2 to 4The adjusting structure 3 comprises a fixing plate 301 and a positioning plate 302, the fixing plate 301 is fixedly connected with the bottom plate 1, the positioning plate 302 is fixedly connected with the bottom plate 1, an inner wall of the positioning plate 302 is fixedly connected with a fixing column 303, a circular surface of the fixing column 303 is slidably connected with a moving block 304, an inner wall of the fixing plate 301 is provided with a limiting groove 305, an inner wall of the limiting groove 305 is rotatably connected with a lead screw 308, the lead screw 308 is rotatably connected with the fixing plate 301, an inner wall of the limiting groove 305 is slidably connected with a connecting block 307, the connecting block 307 is threadedly connected with the lead screw 308, an upper end of the lead screw 308 is fixedly connected with a rotating plate 309, an upper surface of the rotating plate 309 is rotatably connected with an auxiliary rod 310, an inner wall of the connecting block 307 is provided with a connecting groove 315, an inner wall of the connecting groove 315 is slidably connected with an auxiliary block 312, an inner wall of the connecting groove 315 is fixedly connected with a connecting rod 313, the connecting rod 313 is slidably connected with the auxiliary block 312, a circular surface of the connecting rod 313 is sleeved with a spring 314, both ends of the spring 314 are fixedly connected with the auxiliary block 312 and the connecting groove 315, and the auxiliary block 312 and the moving block 304 are rotatably connected with a roller 316 on the side close to each other. The spring 314 and the roller 316 can buffer the tension generated in the unwinding process, so that the stability and precision in the unwinding process are improved, the working efficiency of the unwinding equipment is improved, the inner wall of the limiting groove 305 is fixedly connected with two limiting rods 306, and the limiting rods 306 are slidably connected with the connecting block 307. The limiting rods 306 can limit the connecting block 307, and can prevent the connecting block 307 from being dislocated during sliding on the inner wall of the limiting groove 305, the circular surface of the auxiliary rod 310 is fixedly connected with an anti-skid sleeve 311, and the anti-skid sleeve 311 is in the form of a hollow circle. The anti-skid sleeve 311 can increase the friction between the hands of the personnel and the auxiliary rod 310, and can prevent the personnel from slipping during the rotation of the auxiliary rod 310, and the lead screw 308 is a stainless steel rod. The stainless steel rod has high strength and good wear resistance, and can prevent the lead screw 308 from being deformed during short-term use;

[0034] In the embodiment of the utility model, please refer to Figure 5 and Figure 6The limiting structure 4 includes two auxiliary grooves 41, the two auxiliary grooves 41 are arranged on the roller 316, the inner wall of the auxiliary groove 41 is slidably connected with two sliding blocks 42, one of the sliding blocks 42 on the inner wall of the auxiliary groove 41 is fixedly connected with the sliding block 42 on the inner wall of the other auxiliary groove 41 on the side away from each other, the inside of the limiting ring 48 is provided with a mounting groove 43, the inner wall of the limiting ring 48 is threadedly connected with a threaded rod 46, the inner wall of the mounting groove 43 is slidably connected with an extrusion block 44, and the extrusion block 44 is rotatably connected with the threaded rod 46. In the process of unwinding the material roll body 5 by adjusting the structure 3, the material in the material roll body 5 can be limited, and the material in the material roll body 5 can be prevented from being displaced during unwinding, so that the stability and precision during unwinding can be further improved. The side, away from the threaded rod 46, of the extrusion block 44 is fixedly connected with a protective pad 45, and the protective pad 45 is slidably connected with the mounting groove 43. The protective pad 45 can protect the roller 316, and can prevent the roller 316 from directly contacting the extrusion block 44. The inner wall of the threaded rod 46 is fixedly connected with a rotating rod 47, and the cross section of the rotating rod 47 is circular. The rotating rod 47 can facilitate rotation of the threaded rod 46, and can improve the operation convenience of personnel.

[0035] The working principle of the material roll unwinding tension buffer adjusting mechanism is as follows: when personnel need to unwind the material roll, the personnel can first move the material roll body 5, so that the material in the material roll passes from below one unwinding device 2, then the personnel pass the material from above the roller 316, then pass the material from below the other unwinding device 2, and finally connect the material to other equipment, at this time the personnel can start to unwind, in the process of unwinding, the material in the material roll body 5 drives the roller 316 to move downward, the roller 316 drives the auxiliary block 312 and the moving block 304 to move downward, the auxiliary block 312 drives the spring 314 to wind, and the moving block 304 slides on the arc surface of the fixed column 303, in the process of unwinding, the roller 316 will move upward or downward uninterruptedly, when the personnel find that the adhesion of the roller 316 and the material in the material roll body 5 is low, the personnel can rotate the auxiliary rod 310 by means of the anti-skid sleeve 311, the auxiliary rod 310 drives the rotating plate 309 to rotate, the anti-skid sleeve 311 can increase the friction between the hands of the personnel and the auxiliary rod 310, and can prevent the personnel from slipping in the process of rotating the auxiliary rod 310, then the rotating plate 309 drives the lead screw 308 to rotate, the lead screw 308 drives the connecting block 307 to move upward, the lead screw 308 is a stainless steel rod, the stainless steel rod has high strength and good wear resistance, and can prevent the lead screw 308 from deforming in the process of short-term use, then the connecting block 307 drives the spring 314 and the connecting rod 313 to move upward, the connecting block 307 slides on the arc surface of the two limiting rods 306, the limiting rods 306 can limit the connecting block 307, and can prevent the connecting block 307 from being dislocated in the process of sliding on the inner wall of the limiting groove 305, then the spring 314 drives the auxiliary block 312 to move upward, the auxiliary block 312 drives the roller 316 to move upward, and the roller 316 drives the moving block 304 to move upward, until the roller 316 is attached to the material in the material roll body 5.

[0036] In addition, when the personnel need to release the material roll body 5 through the adjusting structure 3, the personnel can first move the two limiting rings 48, and the two limiting rings 48 are moved to the direction that the two limiting rings 48 are close to each other, the limiting ring 48 drives the threaded rod 46, the extrusion block and the two sliding blocks 42 to move to the direction that the two limiting rings 48 are close to each other, until the two limiting rings 48 are moved to the two sides of the material in the material roll body 5, then the personnel moves the threaded rod 46 by means of the rotating rod 47, wherein the rotating rod 47 can facilitate the personnel to rotate the threaded rod 46, and the operation convenience of the personnel can be improved, then the threaded rod 46 drives the extrusion block 44 to move to the direction close to the roller 316, the extrusion block 44 drives the protective pad 45 to move to the direction close to the roller 316, until the protective pad 45 abuts against the roller 316, wherein the protective pad 45 can protect the roller 316, and direct contact between the roller 316 and the extrusion block 44 can be prevented, at this time, the personnel can start to release.

[0037] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed herein.

[0038] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations using the utility model specification and the attached drawings, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A material winding and unwinding tension buffer adjustment mechanism, characterized in that, include: A base plate (1) has two unwinding devices (2) and a fixing frame (6) fixedly connected to its upper surface. The arc surface of the fixing frame (6) is rotatably connected to a material roll body (5). An adjustment structure (3) is provided on the upper surface of the base plate (1). The adjustment structure (3) includes a fixing plate (301) and a positioning plate (302). The fixing plate (301) is fixedly connected to the base plate (1), and the positioning plate (302) is fixedly connected to the base plate (1). A fixing column (303) is fixedly connected to the inner wall of the positioning plate (302). A moving block (304) is slidably connected to the arc surface of the fixing column (303). A limiting groove (305) is opened on the inner wall of the fixing plate (301). A lead screw (308) is rotatably connected to the inner wall of the limiting groove (305). The lead screw (308) is rotatably connected to the fixing plate (301). The limiting groove (305) is rotatably connected to the inner wall of the limiting groove (305). The inner wall of the connecting block (307) is slidably connected to the connecting block (307), which is threadedly connected to the lead screw (308). The upper end of the lead screw (308) is fixedly connected to the rotating plate (309), and the upper surface of the rotating plate (309) is rotatably connected to the auxiliary rod (310). The inner wall of the connecting block (307) is provided with a connecting groove (315), and the inner wall of the connecting groove (315) is slidably connected to the auxiliary block (312). The inner wall of the connecting groove (315) is fixedly connected to the connecting rod (313), which is slidably connected to the auxiliary block (312). The arc surface of the connecting rod (313) is fitted with a spring (314), and the two ends of the spring (314) are fixedly connected to the auxiliary block (312) and the connecting groove (315) respectively. The auxiliary block (312) and the moving block (304) are rotatably connected to a roller (316) on the side close to each other.

2. The material winding and unwinding tension buffer adjustment mechanism according to claim 1, characterized in that, The inner wall of the limiting groove (305) is fixedly connected to two limiting rods (306), and the limiting rods (306) are slidably connected to the connecting block (307).

3. The material winding and unwinding tension buffer adjustment mechanism according to claim 1, characterized in that, The auxiliary rod (310) has an anti-slip sleeve (311) fixedly connected to its arc surface. The anti-slip sleeve (311) has a hollow circular cross-section.

4. The material winding and unwinding tension buffer adjustment mechanism according to claim 1, characterized in that, The lead screw (308) is a stainless steel rod.

5. The material winding and unwinding tension buffer adjustment mechanism according to claim 1, characterized in that, The inner wall of the roller (316) is provided with a limiting structure (4). The limiting structure (4) includes two auxiliary grooves (41). The two auxiliary grooves (41) are opened on the roller (316). The inner wall of the auxiliary groove (41) is slidably connected to two sliders (42). A limiting ring (48) is fixedly connected to the slider (42) on the inner wall of one auxiliary groove (41) and the slider (42) on the inner wall of the other auxiliary groove (41) on the side away from each other. An installation groove (43) is opened inside the limiting ring (48). A threaded rod (46) is threadedly connected to the inner wall of the limiting ring (48). An extrusion block (44) is slidably connected to the inner wall of the installation groove (43). The extrusion block (44) is rotatably connected to the threaded rod (46).

6. The material winding and unwinding tension buffer adjustment mechanism according to claim 5, characterized in that, A protective pad (45) is fixedly connected to the side of the extrusion block (44) away from the threaded rod (46), and the protective pad (45) is slidably connected to the mounting groove (43).

7. The material winding and unwinding tension buffer adjustment mechanism according to claim 5, characterized in that, The inner wall of the threaded rod (46) is fixedly connected to a rotating rod (47), and the cross-section of the rotating rod (47) is circular.

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