Cutting device for efficient and reusable nanofiber air filtering membrane

Abstract

An efficient and reusable cutting device for a nanofiber air filtering membrane comprises a working table, side plates are fixedly connected to the two side walls of the working table respectively, sliding grooves are formed in the side walls, close to each other, of the two side plates, sliding blocks are slidably connected into the sliding grooves, abutting springs are connected between the upper side walls of the sliding blocks and the sliding grooves in an abutting mode, and the abutting springs are connected with the sliding grooves in an abutting mode. A lower conveying roller is rotationally arranged between the two side plates, and an upper conveying roller is rotationally arranged between the two sliding blocks. Compared with the prior art, the nanofiber membrane feeding device has the advantages that a nanofiber membrane can be sleeved on the material loading rod without being lifted during installation, then the driving gear is driven by the first motor to rotate, and after transmission, the nanofiber membrane can be fed, so that the labor intensity of workers is greatly reduced, and the production efficiency is improved. And through arrangement of a lantern ring, an arc-shaped supporting and tightening plate, a connecting rod, a first motor and a two-way screw rod, the arc-shaped supporting and tightening plate can support and tighten the inner walls of the nanofiber membrane winding drums of various specifications, the applicability is high, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air filter membrane processing, in particular to a cutting device for a highly efficient and reusable nanofiber air filter membrane. Background Art

[0002] Nanofiber membrane can be used as the core filter material of HEPA filter, filter barrel, car air conditioning filter and other products in air purifiers. It can greatly reduce the pore size of filter paper, greatly increase the specific surface area, intercept more fine particles on the surface of filter paper, and change the filtration mechanism from deep filtration to surface filtration. In harsh environments, it can still maintain high-efficiency filtration, and due to the small pore size, the blocked pollutants float on the surface, which is easy to clean and prolongs the service life.

[0003] When the nanofiber membrane is being cut and processed, workers are required to lift the nanofiber membrane and put it on the loading roller during the loading process. This process consumes a lot of physical strength of the workers and is labor-intensive. In addition, the whole process is cumbersome, which reduces work efficiency. In addition, the loading rollers are mostly of fixed thickness. When installing nanofiber membrane rolls of different specifications, different loading rollers need to be replaced, which is not practical enough. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a cutting device for a highly efficient and reusable nanofiber air filtration membrane to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose of the utility model, the technical solution adopted by the utility model is a cutting device for an efficient and reusable nanofiber air filter membrane, comprising a workbench, side panels are fixedly connected to the two side walls of the workbench, and a slide groove is opened on the side wall where the two side panels are close to each other, a slider is slidably connected in the slide groove, a tightening spring is abutted between the upper side wall of the slider and the slide groove, a lower conveying roller is rotatably provided between the two side panels, an upper conveying roller is rotatably provided between the two sliders, a loading assembly is arranged in front of the workbench, a cutting assembly is arranged on the rear of the upper side wall of the workbench and a supporting assembly is arranged in the front.

[0006] As an improvement: the loading assembly includes a rotating shaft, a driven gear, a loading arm, a loading rod, a collar, an arc-shaped tightening plate, a connecting rod, a first motor, a bidirectional screw, a second motor and a driving gear. The front of both side walls of the workbench are rotatably connected with a rotating shaft. A loading arm is provided at the end of the rotating shaft away from the workbench. A loading rod is provided between the two loading arms. Two symmetrically distributed collars are slidably sleeved on the loading rod. Four arc-shaped tightening plates are provided on the outer ring of the loading rod. Four connecting rods are hinged on the outer wall of the collar. The other end of the connecting rod is hinged to the arc-shaped tightening plate, and a first motor is installed on an outer wall of one side of the loading rod, and an output shaft of the first motor passes through one side wall of the loading rod and is fixedly connected to a bidirectional screw, and the other end of the bidirectional screw is threaded through two rings and is rotatably connected to the inner wall of the other side of the loading rod, and a second motor is installed on the lower side wall of the workbench, and an output shaft end of the second motor is fixedly connected to a driving gear, and a driven gear is fixedly sleeved on one of the rotating shafts, and the driving gear is meshed with the driven gear.

[0007] As an improvement: the cutting assembly includes a groove, a moving block, a screw, a handwheel, a cutting knife, a ruler and an indicator mark. A groove is opened at the rear of the upper side wall of the workbench, and a moving block is slidably arranged in the groove. A screw is rotatably arranged between the two side walls of the groove. One end of the screw extends to the outside of the workbench and is fixedly connected to a handwheel. A cutting knife is installed on the upper side wall of the moving block. A ruler is also embedded and installed at the rear of the upper side wall of the workbench. An indicator mark matching the ruler is fixedly connected to the rear side wall of the moving block.

[0008] As an improvement: the supporting assembly includes a telescopic rod, a spring and a supporting platform, two symmetrically distributed telescopic rods are fixedly connected to the front upper side wall of the workbench, a supporting platform is fixedly connected between the telescopic ends of the two telescopic rods, a spring is sleeved on the outer side of the telescopic rod, one end of the spring is fixedly connected to the supporting platform and the other end is fixedly connected to the workbench.

[0009] As an improvement: one of the loading arms is rotatably connected to a connecting block on the front side wall close to the loading rod, a first slot is provided on the connecting block, and a first plug block adapted to the first slot is fixedly connected to the outer wall of one side of the loading rod close to the connecting block.

[0010] As an improvement: a second slot is provided on one side wall of the rotating shaft away from the workbench, a second plug is fixedly connected to one side wall of the loading arm close to the rotating shaft, and the loading arm and the rotating shaft are assembled together by two fixing bolts.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The nanofiber membrane can be put on the loading rod without lifting it during installation, and then the driving gear is driven to rotate by the first motor. After transmission, the loading of the nanofiber membrane can be completed, which greatly reduces the labor intensity of the workers. In addition, through the arrangement of the sleeve, arc-shaped tightening plate, connecting rod, first motor and bidirectional screw, the arc-shaped tightening plate can tighten the inner wall of the nanofiber membrane roll of various specifications, which has high applicability and greatly improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a cutting device for a highly efficient and reusable nanofiber air filter membrane according to the utility model;

[0014] Figure 2 This is a schematic diagram of the rotating shaft structure of a cutting device for a highly efficient and reusable nanofiber air filter membrane of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of a material carrying rod of a cutting device for a highly efficient and reusable nanofiber air filter membrane of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of an arc-shaped tightening plate of a cutting device for a highly efficient and reusable nanofiber air filter membrane of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of a loading arm of a cutting device for a highly efficient and reusable nanofiber air filter membrane of the utility model;

[0018] Figure 6 This is a schematic diagram of the second motor structure of a cutting device for a highly efficient and reusable nanofiber air filter membrane of the utility model;

[0019] As shown in the figure:

[0020] 1. Workbench; 1.1. Side plate; 1.2. Slide; 1.3. Sliding block; 1.4. Clamping spring; 1.5. Lower conveying roller; 1.6. Upper conveying roller; 2. Loading assembly; 3. Cutting assembly; 4. Support assembly; 2.1. Rotating shaft; 2.11. Driven gear; 2.2. Loading arm; 2.3. Loading rod; 2.4. Ring; 2.5. Arc-shaped tightening plate; 2.6. Connecting rod; 2.7. First motor; 2. 8. Bidirectional screw; 2.9. Second motor; 2.91. Driving gear; 3.1. Groove; 3.2. Moving block; 3.3. Screw; 3.4. Hand wheel; 3.5. Cutting knife; 3.6. Scale; 3.21. Indicator; 4.1. Telescopic rod; 4.2. Spring; 4.3. Support platform; 2.21. Connecting block; 2.12. Second slot; 2.22. Second plug block; 2.13. Fixing bolt. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features and purpose effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both sides", "one side", "the other side" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention 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 operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1 As shown, a cutting device for a highly efficient and reusable nanofiber air filter membrane comprises a workbench 1, side panels 1.1 are fixedly connected to both side walls of the workbench 1, a slide groove 1.2 is provided on one side wall where the two side panels 1.1 are close to each other, a slider 1.3 is slidably connected in the slide groove 1.2, a pressing spring 1.4 is abutted between the upper side wall of the slider 1.3 and the slide groove 1.2, a lower conveying roller 1.5 is rotatably provided between the two side panels 1.1, an upper conveying roller 1.6 is rotatably provided between the two sliders 1.3, when the winding structure is in operation, the nanofiber membrane starts to be conveyed, during the conveying process, the pressing spring 1.4 will continuously press against the slider 1.3, so that the upper conveying roller 1.6 presses the nanofiber membrane to prevent wrinkles during the conveying process, a feeding assembly 2 is provided in front of the workbench 1, a cutting assembly 3 is provided at the rear of the upper side wall of the workbench 1 and a supporting assembly 4 is provided in the front.

[0025] Specifically, Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, a cutting device for a highly efficient and reusable nanofiber air filter membrane is provided. The feeding assembly 2 comprises a rotating shaft 2.1, a driven gear 2.11, a feeding arm 2.2, a loading rod 2.3, a collar 2.4, an arc-shaped tightening plate 2.5, a connecting rod 2.6, a first motor 2.7, a bidirectional screw 2.8, a second motor 2.9 and a driving gear 2.91. The front of both side walls of the workbench 1 are rotatably connected with the rotating shaft 2.1. A feeding arm 2.2 is provided at one end of the rotating shaft 2.1 away from the workbench 1. A loading rod 2.3 is provided between the two feeding arms 2.2. Two symmetrically distributed collars 2.4 are slidably sleeved on the loading rod 2.3. The outer ring of the loading rod 2.3 is provided with four An arc-shaped tightening plate 2.5 is provided, and four connecting rods 2.6 are hinged on the outer wall of the collar 2.4, and the other end of the connecting rod 2.6 is hinged to the arc-shaped tightening plate 2.5. A first motor 2.7 is installed on the outer wall of one side of the loading rod 2.3, and the output shaft of the first motor 2.7 passes through the one side wall of the loading rod 2.3 and is fixedly connected with a bidirectional screw 2.8, and the other end of the bidirectional screw 2.8 is threaded through the two collars 2.4 and is rotatably connected to the inner wall of the other side of the loading rod 2.3. A second motor 2.9 is installed on the lower side wall of the workbench 1, and the output shaft end of the second motor 2.9 is fixedly connected with a driving gear 2.91, and a driven gear 2.11 is fixedly sleeved on one of the rotating shafts 2.1. The driving gear 2.91 is meshed with the driven gear 2.11. When loading, first loosen the two fixing bolts 2.13 to remove the left loading arm 2.2. After removal, put the nanofiber membrane roll on the loading rod 2.3, and then start the first motor 2.7. The output shaft of the first motor 2.7 can drive the bidirectional screw 2.8 to rotate. When the bidirectional screw 2.8 rotates, the two collars 2.4 threadedly connected to it can be brought closer to each other. Under the action of the connecting rod 2.6, the arc-shaped tightening plate 2.5 will tighten the inner wall of the nanofiber membrane roll, which is suitable for nanofiber membrane rolls of various specifications and has high applicability. Then insert the second plug 2.22 on the left loading arm 2.2 The second slot 2.12 is then fixed with two fixing bolts 2.13 to the left loading arm 2.2 and the left rotating shaft 2.1. At this time, the first plug on the loading rod 2.3 is inserted into the first slot on the connecting block 2.21. Then the second motor 2.9 is started. The output shaft of the second motor 2.9 can drive the driving gear 2.91 to rotate. When the driving gear 2.91 rotates, the driven gear 2.11 can drive the rotating shaft 2.1 to rotate. The rotating shaft 2.1 drives the loading arm 2.2 to rotate, so that the loading rod 2.3 rotates along the rotating shaft 2.1 to the top of the supporting platform 4.3, and the loading is completed, which greatly reduces the labor intensity of the workers and improves the work efficiency.

[0026] Specifically, Figure 1As shown, a cutting device for a highly efficient and reusable nanofiber air filter membrane is provided. The cutting assembly 3 comprises a groove 3.1, a moving block 3.2, a screw 3.3, a hand wheel 3.4, a cutting knife 3.5, a scale 3.6 and an indicator mark 3.21. A groove 3.1 is provided at the rear of the upper side wall of the workbench 1. A moving block 3.2 is slidably provided in the groove 3.1. A screw 3.3 is rotatably provided between the two side walls of the groove 3.1. One end of the screw 3.3 extends to the outside of the workbench 1 and is fixedly connected to a hand wheel 3.4. The moving block 3.2 is provided in the groove 3.1. The screw 3.3 is provided at one end of the screw 3.3. A cutting knife 3.5 is installed on the upper side wall of the moving block 3.2, and a scale 3.6 is embedded and installed on the rear of the upper side wall of the workbench 1. An indicator mark 3.21 that matches the scale 3.6 is fixedly connected to the rear side wall of the moving block 3.2. Turning the handwheel 3.4 can drive the screw rod 3.3 to rotate. When the screw rod 3.3 rotates, the moving block 3.2 threadedly connected thereto can slide along the groove 3.1. During the sliding process, the cutting distance can be quickly determined by the indicator mark 3.21 and the scale 3.6, which is more convenient.

[0027] Specifically, Figure 5 As shown, a cutting device for a highly efficient and reusable nanofiber air filter membrane is provided, wherein a supporting assembly 4 comprises a telescopic rod 4.1, a spring 4.2 and a supporting platform 4.3, two symmetrically distributed telescopic rods 4.1 are fixedly connected to the upper front of the upper side wall of the workbench 1, a supporting platform 4.3 is fixedly connected between the telescopic ends of the two telescopic rods 4.1, a spring 4.2 is sleeved on the outer side of the telescopic rod 4.1, one end of the spring 4.2 is fixedly connected to the supporting platform 4.3 and the other end is fixedly connected to the workbench 1, under the action of the spring 4.2, the supporting platform 4.3 will continuously support the nanofiber membrane roll upwards to play an auxiliary role.

[0028] Specifically, Figure 3 As shown, a cutting device for a high-efficiency and reusable nanofiber air filter membrane is provided, wherein a loading arm 2.2 is rotatably connected to a connecting block 2.21 on the front side wall close to a loading rod 2.3, a first slot is provided on the connecting block 2.21, and a first plug block adapted to the first slot is fixedly connected to the outer wall of one side of the loading rod 2.3 close to the connecting block 2.21. After the first plug block is inserted into the first slot 2.21, the connecting block 2.21 can rotate with the loading rod 2.3.

[0029] Specifically, Figure 5 As shown, a cutting device for a highly efficient and reusable nanofiber air filter membrane is provided, wherein a second slot 2.12 is provided on a side wall of a rotating shaft 2.1 away from a workbench 1, and a second plug block 2.22 is fixedly connected to a side wall of a loading arm 2.2 close to the rotating shaft 2.1, and the loading arm 2.2 and the rotating shaft 2.1 are assembled together by two fixing bolts 2.13, and the loading arm 2.2 on the left side is connected in a detachable manner to facilitate the installation of the nanofiber membrane roll.

[0030] During the specific implementation of the present invention, after loosening the two fixing bolts 2.13, the loading arm 2.2 on the left side can be removed. After removal, the nanofiber membrane roll can be sleeved on the loading rod 2.3, and then the first motor 2.7 can be started. The output shaft of the first motor 2.7 can drive the bidirectional screw 2.8 to rotate. When the bidirectional screw 2.8 rotates, the two collars 2.4 threadedly connected thereto can be brought closer to each other. Under the action of the connecting rod 2.6, the arc-shaped tightening plate 2.5 will tighten the inner wall of the nanofiber membrane roll, and then the left side The second plug block 2.22 on the loading arm 2.2 is inserted into the second slot 2.12, and then the two fixing bolts 2.13 are used to fix the loading arm 2.2 on the left side and the rotating shaft 2.1 on the left side. At this time, the first plug block on the loading rod 2.3 is inserted into the first slot on the connecting block 2.21, and then the second motor 2.9 is started. The output shaft of the second motor 2.9 can drive the driving gear 2.91 to rotate. When the driving gear 2.91 rotates, the driven gear 2.11 can drive the rotating shaft 2.1 to rotate, and the rotating shaft 2. 1 drives the loading arm 2.2 to rotate, so that the loading rod 2.3 rotates along the rotating shaft 2.1 to the top of the supporting platform 4.3. During this process, the worker needs to press down the supporting platform 4.3 to compress the spring 4.2. When the loading rod 2.3 rotates to the top of the supporting platform 4.3, it can be released. The spring 4.2 will push the supporting platform 4.3 to move up to support the nanofiber membrane. Then, the hand wheel 3.4 is turned to drive the screw rod 3.3 to rotate. When the screw rod 3.3 rotates, the moving block 3.2 threadedly connected to it can slide along the groove 3.1. During the sliding process, the cutting distance is determined by the indicator mark 3.21 and the ruler 3.6. After the cutting distance is determined, the nanofiber membrane is pulled out, passed between the lower conveying roller 1.5 and the upper conveying roller 1.6, and then connected to the winding structure. When the winding structure is running, the nanofiber membrane begins to be conveyed. During the conveying process, the cutting knife 3.5 cuts the nanofiber membrane, and the pressing spring 1.4 will continue to press the slider 1.3, so that the upper conveying roller 1.6 presses the nanofiber membrane to prevent wrinkles during the conveying process.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cutting device for a highly efficient and reusable nanofiber air filter membrane, comprising a workbench (1), characterized in that: The two side walls of the workbench (1) are respectively fixedly connected with side plates (1.1), and a sliding groove (1.2) is opened on the side wall of the two side plates (1.1) close to each other, and a slider (1.3) is slidably connected in the sliding groove (1.2), and a tightening spring (1.4) is abutted between the upper side wall of the slider (1.3) and the sliding groove (1.2), a lower conveying roller (1.5) is rotatably arranged between the two side plates (1.1), and an upper conveying roller (1.6) is rotatably arranged between the two sliders (1.3), and a loading assembly (2) is arranged in front of the workbench (1), and a cutting assembly (3) is arranged at the rear of the upper side wall of the workbench (1) and a supporting assembly (4) is arranged in the front.

2. The cutting device for a highly efficient and reusable nanofiber air filter membrane according to claim 1 is characterized in that: The loading assembly (2) comprises a rotating shaft (2.1), a driven gear (2.11), a loading arm (2.2), a loading rod (2.3), a collar (2.4), an arc-shaped tightening plate (2.5), a connecting rod (2.6), a first motor (2.7), a bidirectional screw (2.8), a second motor (2.9) and a driving gear (2.91). The front of both side walls of the workbench (1) are rotatably connected with a rotating shaft (2.1). A loading arm (2.2) is provided at one end of the rotating shaft (2.1) away from the workbench (1). A loading rod (2.3) is provided between the two loading arms (2.2). Two symmetrically distributed collars (2.4) are slidably sleeved on the loading rod (2.3). Four arc-shaped tightening plates (2.5) are provided on the outer ring of the loading rod (2.3). The outer wall of the collar (2.4) is hinged There are four connecting rods (2.6), the other ends of the connecting rods (2.6) are hinged to the arc-shaped tightening plate (2.5), a first motor (2.7) is installed on the outer wall of one side of the loading rod (2.3), the output shaft of the first motor (2.7) passes through the one side wall of the loading rod (2.3) and is fixedly connected to a bidirectional screw (2.8), the other end of the bidirectional screw (2.8) is threaded through two collars (2.4) and is rotatably connected to the inner wall of the other side of the loading rod (2.3), a second motor (2.9) is installed on the lower side wall of the workbench (1), the output shaft end of the second motor (2.9) is fixedly connected to a driving gear (2.91), one of the rotating shafts (2.1) is fixedly sleeved with a driven gear (2.11), and the driving gear (2.91) is meshed with the driven gear (2.11).

3. The cutting device for a highly efficient and reusable nanofiber air filter membrane according to claim 1 is characterized in that: The cutting assembly (3) comprises a groove (3.1), a moving block (3.2), a screw (3.3), a hand wheel (3.4), a cutting knife (3.5), a scale (3.6) and an indicator mark (3.21). A groove (3.1) is provided at the rear of the upper side wall of the workbench (1). A moving block (3.2) is slidably provided in the groove (3.1). A screw (3.3) is rotatably provided between the two side walls of the groove (3.1). One end of the screw (3.3) extends to the outside of the workbench (1) and is fixedly connected to the hand wheel (3.4). A cutting knife (3.5) is installed on the upper side wall of the moving block (3.2). A scale (3.6) is also embedded and installed at the rear of the upper side wall of the workbench (1). An indicator mark (3.21) matching the scale (3.6) is fixedly connected to the rear side wall of the moving block (3.2).

4. The cutting device for a highly efficient and reusable nanofiber air filter membrane according to claim 1, characterized in that: The supporting assembly (4) comprises a telescopic rod (4.1), a spring (4.2) and a supporting platform (4.3); two symmetrically distributed telescopic rods (4.1) are fixedly connected to the front of the upper side wall of the workbench (1); a supporting platform (4.3) is fixedly connected between the telescopic ends of the two telescopic rods (4.1); a spring (4.2) is sleeved on the outer side of the telescopic rod (4.1); one end of the spring (4.2) is fixedly connected to the supporting platform (4.3) and the other end is fixedly connected to the workbench (1).

5. The cutting device for a highly efficient and reusable nanofiber air filter membrane according to claim 2, characterized in that: A connecting block (2.21) is rotatably connected to the front of a side wall of one of the loading arms (2.2) close to the loading rod (2.3); a first slot is provided on the connecting block (2.21); and a first plug block adapted to the first slot is fixedly connected to an outer wall of one side of the loading rod (2.3) close to the connecting block (2.21).

6. The cutting device for a highly efficient and reusable nanofiber air filter membrane according to claim 2, characterized in that: A second slot (2.12) is provided on a side wall of one of the rotating shafts (2.1) away from the workbench (1), and a second plug block (2.22) is fixedly connected to a side wall of one of the loading arms (2.2) close to the rotating shaft (2.1), and the loading arm (2.2) and the rotating shaft (2.1) are assembled together by two fixing bolts (2.13).

Images