Polytetrafluoroethylene filter membrane winding machine

Abstract

The utility model relates to the technical field of winding machines, and discloses a polytetrafluoroethylene filter membrane winding machine which comprises a winding box, a rolling assembly, a guide assembly, a detachable winding assembly, an elastic jacking assembly and a synchronous driving assembly. According to the filter membrane winding device, the two ends of the filter membrane in the winding box are positioned and clamped through the arrangement of the rolling assembly and the detachable winding assembly, so that the filter membrane is prevented from loosening in the shutdown process of equipment; and the filtering membrane in the winding box is elastically tensioned through the arrangement of the guide assembly and the elastic jacking assembly, so that the winding effect of the polytetrafluoroethylene filtering membrane is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of winding machines, in particular to a polytetrafluoroethylene filter membrane winding machine. Background Technique

[0002] A winding machine is a packaging machine widely used in the processing production lines of paper rolls, cloth rolls, plastic rolls, and metal coil materials. It can wind raw materials into coils by mechanical means and is designed diversely according to actual process requirements. Common ones include simple winding machines and hydraulic winding machines. Generally, the winding machine has strict requirements for the inner diameter of the coil, outer diameter of the coil, thickness of the coil material, and width.

[0003] The polytetrafluoroethylene filter membrane is made of polytetrafluoroethylene as the raw material, and is made into a microporous membrane by special processes such as calendering, extrusion, and biaxial stretching. The pore diameter range of this membrane is 0.02 microns - 0.2 microns, the porosity is more than 88%, and it has the characteristics of high peel strength, large air permeability, and uniform pore size distribution.

[0004] In the prior art, the polytetrafluoroethylene winding machine winds after flattening and pressing. The polytetrafluoroethylene filter membrane is wound into a roll through the polytetrafluoroethylene filter membrane winding machine. During the process of winding the tape, it is necessary to provide a suitable tension for the polytetrafluoroethylene filter membrane, otherwise the winding will be uneven or the edges of the polytetrafluoroethylene filter membrane cannot be aligned smoothly. Content of the Utility Model

[0005] The purpose of the utility model is to provide a polytetrafluoroethylene filter membrane winding machine to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A polytetrafluoroethylene filter membrane winding machine includes a winding box, a roll pressing assembly, a guiding assembly, a detachable winding assembly, an elastic pressing assembly, and a synchronous driving assembly;

[0008] An inlet is arranged at the top of the winding box, and an outlet is arranged at the bottom of the winding box;

[0009] The roll pressing assembly is installed in the winding box and is located on both sides of the outlet, and is used for roll pressing and conveying the filter membrane;

[0010] The detachable winding assembly is arranged in the outlet and is used for winding and taking out the filter membrane conveyed by the roll pressing assembly;

[0011] There are two groups of guiding assemblies, and the two groups of guiding assemblies are installed on the upper and lower sides of the inner wall of the winding box and are used for guiding the filter membrane between the roll pressing assembly and the detachable winding assembly;

[0012] The elastic pressing component is installed between two sets of guiding components and is used for elastically pushing the filter membrane between the two sets of guiding components, so as to keep the filter membrane in the winding box taut.

[0013] The synchronous driving component is installed between the rolling component and the detachable winding component and is used for synchronously driving the rolling component and the detachable winding component.

[0014] As a further scheme of the utility model: the rolling component includes two sets of first rotating shafts rotatably connected to both sides of the inner wall of the material taking port. A rolling cylinder is fixedly connected to the first rotating shaft. Gears are fixedly connected to the two sets of first rotating shafts, and the two gears are meshed with each other.

[0015] As a further scheme of the utility model: the guiding component includes second rotating shafts fixedly connected to the upper and lower sides of the inner wall of the winding box. A positioning roller is rotatably connected to the second rotating shaft.

[0016] As a further scheme of the utility model: the detachable winding component includes a driving shaft rotatably connected to one side of the inner wall of the material taking port. A first rhombic slot is fixedly connected to the driving shaft. A mounting seat is fixedly connected to the other side of the inner wall of the material taking port. A mounting shaft is rotatably connected to the mounting seat through a bearing. A piston cylinder is fixedly connected to the mounting shaft. A second piston block is slidably connected to the piston cylinder. A first spring is arranged on one side of the second piston block. A second connecting rod is fixedly connected to the other side of the piston block. The second connecting rod passes through the piston cylinder and is fixedly connected to a second rhombic slot.

[0017] As a further scheme of the utility model: the detachable winding component further includes a plurality of winding rollers. Side baffles are fixedly connected to both ends of the winding rollers. First rhombic plugs and second rhombic plugs are fixedly connected to the outer walls of the two side baffles. The first rhombic plug is slidably installed with the first rhombic slot, and the second rhombic plug is slidably installed with the second rhombic slot.

[0018] As a further scheme of the utility model: the elastic pressing component includes a fixed cylinder fixedly connected to the side wall of the winding box. A first piston block is slidably connected to the fixed cylinder. A first spring installed in the fixed cylinder is arranged on one side of the first piston block. A first connecting rod is fixedly connected to the other side of the first piston block. The first connecting rod passes through the fixed cylinder and is fixedly connected to a telescopic shaft. An elastic pressing roller is rotatably connected to the telescopic shaft.

[0019] As a further further scheme of the utility model: the synchronous driving component includes a first synchronous wheel fixedly connected to the driving shaft. A second synchronous wheel is fixedly connected to one of the first rotating shafts. A synchronous belt is meshed and connected between the first synchronous wheel and the second synchronous wheel. A motor is fixedly connected to the outer wall of the winding box, and the output shaft of the motor is connected to the driving shaft.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows: Firstly, through the settings of the roller pressing assembly and the detachable winding assembly, both ends of the filter membrane in the winding box are positioned and clamped, thereby preventing the filter membrane from loosening during the equipment shutdown process. Then, during the winding process of the filter membrane, through the settings of the guiding assembly and the elastic pressing assembly, the filter membrane in the winding box is elastically tensioned, thereby improving the winding effect of the polytetrafluoroethylene filter membrane. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of a polytetrafluoroethylene filter membrane winding machine in the present utility model.

[0022] Figure 2 It is a sectional view of a polytetrafluoroethylene filter membrane winding machine in the present utility model.

[0023] Figure 3 It is a sectional view of a polytetrafluoroethylene filter membrane winding machine in the present utility model.

[0024] Figure 4 It is a sectional view of a polytetrafluoroethylene filter membrane winding machine in the present utility model.

[0025] Figure 5 It is a schematic internal structure diagram of a polytetrafluoroethylene filter membrane winding machine in the present utility model.

[0026] In the figure: 1 - winding box, 2 - feed inlet, 3 - material taking port, 4 - first rotating shaft, 5 - roller pressing cylinder, 6 - gear, 7 - second rotating shaft, 8 - positioning roller, 9 - fixed cylinder, 10 - first piston block, 11 - first spring, 12 - first connecting rod, 13 - telescopic shaft, 14 - elastic pressing roller, 15 - driving shaft, 16 - first rhombic slot, 17 - mounting seat, 18 - bearing, 19 - mounting shaft, 20 - piston cylinder, 21 - second piston block, 22 - second spring, 23 - second connecting rod, 24 - second rhombic slot, 25 - second rhombic plug, 26 - winding roller, 27 - side baffle, 28 - first rhombic plug, 29 - motor, 30 - first synchronous pulley, 31 - second synchronous pulley, 32 - synchronous belt. Detailed Embodiment

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0028] Refer to Figures 1 to 5, in the embodiment of the present utility model, a polytetrafluoroethylene filter membrane rewinder includes a rewinding box 1, a rolling press assembly, a guiding assembly, a detachable rewinding assembly, an elastic pressing assembly, and a synchronous driving assembly; a feeding port 2 is arranged at the top of the rewinding box 1, and a material taking port 3 is arranged at the bottom of the rewinding box 1; the rolling press assembly is installed in the rewinding box 1 and is located on both sides of the material taking port 3 for rolling and conveying the filter membrane; the detachable rewinding assembly is arranged in the material taking port 3 for winding and taking out the filter membrane conveyed by the rolling press assembly; two groups of guiding assemblies are arranged, and the two groups of guiding assemblies are installed on the upper and lower sides of the inner wall of the rewinding box 1 to guide the filter membrane between the rolling press assembly and the detachable rewinding assembly; the elastic pressing assembly is installed between the two groups of guiding assemblies for elastically pushing the filter membrane between the two groups of guiding assemblies, so as to keep the filter membrane in the rewinding box 1 taut; the synchronous driving assembly is installed between the rolling press assembly and the detachable rewinding assembly for synchronously driving the rolling press assembly and the detachable rewinding assembly. First, the present utility model drives the detachable rewinding assembly and the rolling press assembly to rotate through the synchronous driving assembly, so that the rolling press assembly rolls and conveys the filter membrane entering the feeding port 2, and at the same time, the detachable rewinding assembly winds the filter membrane entering the rewinding box 1. And during this process, the filter membrane in the rewinding box 1 is guided through the arrangement of the two groups of guiding assemblies, and at the same time, the filter membrane in the rewinding box 1 is elastically tightened through the arrangement of the elastic pressing assembly, so as to avoid folding of the filter membrane during the winding process by the detachable rewinding assembly. When the equipment stops, both ends of the filter membrane in the rewinding box 1 are fixed under the clamping of the detachable rewinding assembly and the rolling press assembly, so as to avoid loosening of the filter membrane in the rewinding box 1.

[0029] In a case of this embodiment, please refer to Figures 1 to 5 , the rolling press assembly includes two groups of first rotating shafts 4 rotatably connected to both sides of the inner wall of the material taking port 3. A rolling press cylinder 5 is fixedly connected to the first rotating shafts 4. Two groups of gears 6 are fixedly connected to the two groups of first rotating shafts 4. The two groups of gears 6 are meshed with each other. First, the rolling press assembly drives one group of first rotating shafts 4 to rotate through synchronous driving, and at the same time drives the two groups of first rotating shafts 4 to rotate synchronously and reversely through the meshing of the two groups of gears 6. The two groups of first rotating shafts 4 drive the two groups of rolling press cylinders 5 to rotate synchronously and reversely, so as to roll and convey the filter membrane entering the rewinding box 1 along the feeding port 2.

[0030] In a case of this embodiment, please refer to Figures 1 to 5 , the guiding assembly includes second rotating shafts 7 fixedly connected to the upper and lower sides of the inner wall of the rewinding box 1. A positioning roller 8 is rotatably connected to the second rotating shafts 7. The guiding assembly installs the positioning roller 8 through the arrangement of the second rotating shafts 7 and positions and rolls and conveys the filter membrane through the cooperation of the two groups of positioning rollers 8.

[0031] In one case of this embodiment, please refer to Figures 1 to 5 , the detachable winding assembly includes a driving shaft 15 rotatably connected to one side of the inner wall of the material taking port 3. A first rhombic slot 16 is fixedly connected to the driving shaft 15. The other side of the inner wall of the material taking port 3 is fixedly connected with a mounting seat 17. An installation shaft 19 is rotatably connected to the mounting seat 17 through a bearing 18. A piston cylinder 20 is fixedly connected to the installation shaft 19. A second piston block 21 is slidably connected to the piston cylinder 20. A second spring 22 is arranged on one side of the second piston block 21. The other side of the piston block is fixedly connected with a second connecting rod 23. The second connecting rod 23 passes through the piston cylinder 20 and is fixedly connected with a second rhombic slot 24. The detachable winding assembly further includes a plurality of winding rollers 26. Side baffles 27 are fixedly connected to both ends of the winding roller 26. A first rhombic plug 28 and a second rhombic plug 25 are fixedly connected to the outer walls of the two side baffles 27. The first rhombic plug 28 and the first rhombic slot 16 are slidably installed with each other. The second rhombic plug 25 and the second rhombic slot 24 are slidably installed with each other. The detachable winding assembly first elastically pushes the second piston block 21 through the arrangement of the second spring 22. The second piston block 21 drives the second rhombic slot 24 to elastically push towards the first rhombic slot 16 through the second connecting rod 23, so that the first rhombic plug 28 is tightly inserted into the first rhombic slot 16, and at the same time the second rhombic plug 25 is tightly inserted into the second rhombic slot 24, completing the clamping installation of the winding roller 26. At the same time, the driving shaft 15 is driven to rotate through the synchronous driving assembly, and at the same time the winding roller 26 is driven to rotate through the mutual cooperation of the first rhombic slot 16 and the first rhombic plug 28 to wind the filter membrane. After the winding is completed, the winding roller 26 can be squeezed towards the second spring 22. The second spring 22 is compressed, so that the winding roller 26 moves towards the second spring 22, so that the first rhombic plug 28 disengages from the first rhombic slot 16. Then, one end of the winding roller 26 close to the first rhombic plug 28 is lifted, and then the winding roller 26 is moved away from the second rhombic slot 24, and the disassembly of the winding roller 26 can be completed. The reverse operation can complete the installation of the new winding roller 26.

[0032] In one case of this embodiment, please refer to Figures 1 to 5, the elastic pressing component includes a fixed cylinder 9 fixedly connected inside the side wall of the winding box 1. A first piston block 10 is slidably connected inside the fixed cylinder 9. A first spring 11 installed inside the fixed cylinder 9 is arranged on one side of the first piston block 10. A first connecting rod 12 is fixedly connected to the other side of the first piston block 10. The first connecting rod 12 passes through the fixed cylinder 9 and is fixedly connected to a telescopic shaft 13. An elastic pressing roller 14 is rotatably connected to the telescopic shaft 13. The arrangement of the first spring 11 of the elastic pressing component elastically pushes the first piston block 10. The first piston block 10 drives the telescopic shaft 13 to elastically push through the first connecting rod 12. The telescopic shaft 13 drives the elastic pressing roller 14 to elastically push the filter membrane between the two guiding components, so as to keep the filter membrane in the winding box 1 elastically tensioned.

[0033] In a case of this embodiment, please refer to Figures 1 to 5 , the synchronous driving component includes a first synchronous pulley 30 fixedly connected to the driving shaft 15. A second synchronous pulley 31 is fixedly connected to one group of the first rotating shafts 4. A synchronous belt 32 is meshed and connected between the first synchronous pulley 30 and the second synchronous pulley 31. A motor 29 is fixedly connected to the outer wall of the winding box 1. The output shaft of the motor 29 is connected to the driving shaft 15. The synchronous driving component drives the driving shaft 15 to rotate through the motor 29, and then drives the detachable winding component to rotate through the driving shaft 15, so as to wind the filter membrane rotationally. At the same time, the driving shaft 15 drives the first synchronous pulley 30 to rotate. The first synchronous pulley 30 drives the second synchronous pulley 31 to rotate through the synchronous belt 32. The second synchronous pulley 31 drives the roller pressing component to roll and convey the filter membrane entering the feeding port 2.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0035] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A polytetrafluoroethylene filter membrane rewinder, characterized in that, It includes a coiling box, a rolling component, a guiding component, a detachable coiling component, an elastic pressing component, and a synchronous driving component; A feeding port is arranged at the top of the coiling box, and a material taking port is arranged at the bottom of the coiling box; The rolling component is installed in the coiling box and is located on both sides of the material taking port for rolling and conveying the filter membrane; The detachable coiling component is arranged in the material taking port for taking and placing the filter membrane rolled out by the rolling component; There are two groups of guiding components. The two groups of guiding components are installed on the upper and lower sides of the inner wall of the coiling box for guiding the filter membrane between the rolling component and the detachable coiling component; The elastic pressing component is installed between the two groups of guiding components for elastically pushing the filter membrane between the two groups of guiding components, so as to keep the filter membrane in the coiling box taut; The synchronous driving component is installed between the rolling component and the detachable coiling component for synchronously driving the rolling component and the detachable coiling component.

2. The winding machine for a polytetrafluoroethylene filter membrane according to claim 1, characterized in that, The rolling component includes two groups of first rotating shafts rotatably connected to both sides of the inner wall of the material taking port. A rolling cylinder is fixedly connected to the first rotating shafts. Gears are fixedly connected to the two groups of first rotating shafts, and the two groups of gears are meshed with each other.

3. A polytetrafluoroethylene filter membrane rewinder according to claim 1, characterized in that, The guiding component includes second rotating shafts fixedly connected to the upper and lower sides of the inner wall of the coiling box, and positioning rollers are rotatably connected to the second rotating shafts.

4. A polytetrafluoroethylene filter membrane rewinder according to claim 1, characterized in that, The detachable coiling component includes a driving shaft rotatably connected to one side of the inner wall of the material taking port. A first rhombic slot is fixedly connected to the driving shaft. A mounting seat is fixedly connected to the other side of the inner wall of the material taking port. A mounting shaft is rotatably connected to the mounting seat through a bearing. A piston cylinder is fixedly connected to the mounting shaft. A second piston block is slidably connected to the piston cylinder. A second spring is arranged on one side of the second piston block. A second connecting rod is fixedly connected to the other side of the piston block. The second connecting rod passes through the piston cylinder and is fixedly connected to a second rhombic slot; The detachable coiling component further includes multiple coiling rollers. Side baffles are fixedly connected to both ends of the coiling rollers. First rhombic plugs and second rhombic plugs are fixedly connected to the outer walls of the two groups of side baffles. The first rhombic plug is slidably installed with the first rhombic slot, and the second rhombic plug is slidably installed with the second rhombic slot.

5. A polytetrafluoroethylene filter membrane rewinder according to claim 1, characterized in that, The elastic pressing component includes a fixed cylinder fixedly connected to the side wall of the coiling box. A first piston block is slidably connected to the fixed cylinder. A first spring installed in the fixed cylinder is arranged on one side of the first piston block. A first connecting rod is fixedly connected to the other side of the first piston block. The first connecting rod passes through the fixed cylinder and is fixedly connected to a telescopic shaft. An elastic pressing roller is rotatably connected to the telescopic shaft.

6. The winding machine for polytetrafluoroethylene filter membrane according to claim 2, wherein, The synchronous driving component includes a first synchronous wheel fixedly connected to the driving shaft. A second synchronous wheel is fixedly connected to one of the first rotating shafts. A synchronous belt is meshed and connected between the first synchronous wheel and the second synchronous wheel. A motor is fixedly connected to the outer wall of the coiling box, and the output shaft of the motor is connected to the driving shaft.

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