Anti-slip winding shaft for old filter material of winding type filter

Abstract

The utility model discloses an old filter material anti-slip winding shaft of a winding type filter, which relates to the technical field of filters, and comprises a shaft, sharp nails, a transmission fixing rod and a limiting disc, the shaft winds a filter material, through holes are punched at two ends and in the middle of the shaft, the sharp nails penetrate through the through holes on the shaft, are uniformly distributed and welded on the shaft and are used for fixing the filter material, and the transmission fixing rod penetrates through the through holes and is used for fixing the filter material. Through holes in the two ends of the shaft are used for fixing a transmission fixing rod, and one end of the transmission fixing rod is fixedly connected with the motor to drive the shaft to rotate. According to the utility model, the sharp nails are welded on the shaft and penetrate through the filter material to be fixed, so that the filter material cannot fall off, and the problems of slipping and idling can be thoroughly solved; the sharp nails on the shaft are uniformly distributed at equal intervals, so that the whole filter material on the shaft is fully fixed, the breadth of the filter material is flat, and the limiting discs on the two sides provide a reference substance when the filter material is fixed at the initial stage, so that the tightness of the whole surface of the filter material is uniform, and the filter material cannot deflect left and right.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, and in particular to an anti-slip winding shaft for old filter media in a wound filter. Background Technology

[0002] Roll-up filters are widely used and increasingly common in the industrial air purification industry, gradually replacing the earlier air conditioning fresh air panel filters. They can also be used as a standalone air filtration device in production workshops across various industries. Clean filter media is placed in the top new media box, while dirty filter media is wound onto the old media winding shaft at the bottom and collected into a roll for final removal and disposal.

[0003] The common old filter media winding shaft in the industry is round. Some manufacturers change the shape of the shaft, such as replacing it with a square tube, attach the filter media to the shaft, and wind it up a few times to tighten it. Others weld a long smooth circle onto the shaft, insert the filter media into the smooth circle, and then wind it up a few times to tighten it.

[0004] The current industry standard involves pressing the filter media onto the surface of a shaft, which is then manually held in place by hand. A motor is then started to rotate the shaft several times, and the filter media is supposed to be secured by the mutual compression of these rings. However, with only one ring of surface contact between the shaft and the filter media, there is no real fixation. When the filter resistance is high, radial misalignment or even detachment can easily occur.

[0005] However, while roll-up filters are widely used, in some high-velocity air filtration systems, due to excessively high airflow, the old filter media winding shaft that collects dirty filter media may experience jamming, slippage, motor idling, or the filter cotton failing to roll down. All of the above-mentioned problems with the old filter media winding shaft are unavoidable, which seriously affects the use of the filter and the operation of the entire system, causing too much inconvenience to users. Therefore, we propose an anti-slip winding shaft for old filter media in roll-up filters. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] To address the shortcomings of existing technologies, this utility model provides a wound-type filter media anti-slip winding shaft, which solves the problems of slippage, skewness, and motor idling caused by the two components of spikes and limiting discs. By changing the way the filter media is fixed and limited, the problem of slippage, skewness, and motor idling is solved.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] The anti-slip winding shaft for old filter media of the wound filter consists of four parts: shaft, spikes, transmission fixing rod, and limit plate.

[0011] The shaft is the main body of the invention and is used to fix the various components of the anti-slip winding shaft of the old filter material. The filter material needs to be wound and processed. The shaft is a galvanized round tube with through holes at both ends and in the middle area. The through holes are used as positioning holes for other components.

[0012] A spike is a component with sharp ends. It can be a smooth round bar, a steel bar, or a screw. Its length is greater than the diameter of the shaft, and both ends are ground sharp. It is used to penetrate the filter cotton and fix it. A spike is a smooth round bar with sharp ends. It passes through the through hole on the shaft and is evenly welded to the shaft to fix the filter material and prevent it from shifting on the shaft.

[0013] Preferably, the area in the middle of the shaft where the filter cotton is fixed has through holes, which are evenly distributed in the center. The spikes are passed through the through holes and welded to the shaft. The spikes can easily penetrate the filter material. When the shaft rotates two revolutions, one spike penetrates two layers in four places. Multiple spikes are evenly distributed on the shaft, so the filter material can be tightly bound to the shaft and cannot be displaced radially or axially.

[0014] Preferably, through holes are machined at both ends of the shaft from the edge to fix the transmission fixing rod. One end of the transmission fixing rod is fixedly connected to the motor to drive the shaft to rotate. The transmission fixing rod passes through the through hole and is fully welded to the shaft. The transmission fixing rod is embedded in the transmission components at both ends, so its size must be smaller than the size of the groove of the transmission component. When the transmission system is running, the transmission fixing rod drives the entire old filter material to rotate around the shaft, rolling the dirty filter material off the filter section and winding it around the shaft at the bottom.

[0015] Preferably, a limiting plate is configured between the spike and the transmission fixing rod. The limiting plate is a circular plate with a central hole, the diameter of which is slightly larger than that of the shaft. Both ends of the shaft pass through the circular hole and are welded and fixed at equal distances from the ends of the shaft. The distance between the two limiting plates is greater than the width of the filter material, thus limiting the filter material. The spike is also positioned between the two limiting plates. The positions of the two limiting plates on the shaft must be symmetrical from left to right. The distance between the limiting plates must be slightly greater than the width of the filter material to restrict the filter material and prevent axial deviation.

[0016] The preferred design incorporates two components: spikes and a limiting disc. By altering the way the filter media is fixed and limited, it solves the problems of slippage, skewness, and motor idling associated with old filter media.

[0017] (III) Beneficial Effects

[0018] This solution uses welded spikes on the shaft to penetrate and fix the filter media, preventing it from falling off and completely solving the problems of slippage and free rotation. The evenly distributed spikes on the shaft ensure that the entire filter media is fully fixed, resulting in a flat surface. The presence of limiting discs on both sides provides a reference point during the initial fixing of the filter media, ensuring uniform tightness across the entire surface. Later, the discs limit the filter media, preventing lateral deviation throughout the process. The structure is simple, easy to process, and low in cost, making it suitable for most wound filters. Attached Figure Description

[0019] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0020] Figure 1 This is a front view of the anti-slip winding shaft for the old filter media of the present invention.

[0021] Figure 2 This is a top view of the anti-slip winding shaft for the old filter media of the present invention.

[0022] Figure 3 This is a cross-sectional view of the anti-slip winding shaft for the old filter media of the wound filter of this utility model;

[0023] Figure 4 This is a side view of the anti-slip winding shaft of the old filter media in the wound filter of this utility model.

[0024] Legend: 1. Shaft; 2. Spike; 3. Transmission fixing rod; 4. Limiting plate; 5. Filter media. Detailed Implementation

[0025] This application embodiment solves the problem of filter media slippage and displacement in the prior art by providing an anti-slip winding shaft for old filter media in a wound filter. The filter media 5 is fixed by the penetration of the spikes 2, so the filter media 5 cannot fall off, which can completely solve the problems of slippage and free rotation. The evenly distributed spikes 2 on the shaft 1 ensure that the entire piece of filter media 5 on the shaft 1 is fully fixed. The structure is simple, easy to process, and low in cost, and can be applied to most wound filters.

[0026] Example 1

[0027] Currently, the industry commonly uses a method where filter media is pressed onto the surface of a shaft, loosely held by hand, and then a motor is started to rotate several times. The filter media is thus fixed by the mutual compression of these rings. However, with only one ring of surface contact between the shaft and the filter media, and no real fixation, radial deviation or even detachment can easily occur when the filter resistance is high. The technical problem this invention aims to solve is preventing the filter media from slipping or deviating on the old filter media winding shaft. Therefore, it considers changing the way the filter media is fixed on the shaft and the method of restricting the filter media.

[0028] The technical solution in this application embodiment is to solve the problem of filter material slippage and displacement. The overall approach is as follows:

[0029] To address the problems existing in the prior art, this utility model provides a wound-type filter media anti-slip winding shaft.

[0030] comprehensive Figure 1-4 As shown, the anti-slip winding shaft for old filter media of the wound filter in this embodiment includes four parts: shaft 1, spike 2, transmission fixing rod 3, and limiting plate 4.

[0031] Shaft 1 is the main body of the present invention. It is used to fix the various components of the anti-slip winding shaft of the old filter material and to wind the filter material 5. It needs to be processed. Shaft 1 is a galvanized round tube. Through holes are drilled at both ends and in the middle area of ​​shaft 1. The through holes are used as positioning holes for other components.

[0032] The spike 2 is a component with sharp ends. It can be a smooth round bar, a steel bar, or a screw. Its length is greater than the diameter of the shaft. Both ends are ground sharp. It is used to penetrate the filter cotton and fix it. The spike 2 is a smooth round bar with sharp ends. It passes through the through hole on the shaft 1 and is evenly welded to the shaft 1 to fix the filter material 5 so that it cannot be displaced on the shaft 1.

[0033] A through hole is made in the area where the filter cotton is fixed in the middle of shaft 1. The through holes are evenly distributed in the center. The spikes 2 are passed through the through holes and welded to shaft 1. The spikes 2 can easily penetrate the filter material 5. When shaft 1 rotates two revolutions, one spike 2 can penetrate two layers in four places. There are many spikes 2 evenly distributed on shaft 1, so the filter material 5 can be tightly bound to shaft 1 and cannot be displaced radially or axially.

[0034] Both ends of the shaft 1 are machined with through holes from the edge to fix the transmission fixing rod 3. One end of the transmission fixing rod 3 is fixedly connected to the motor to drive the shaft 1 to rotate. The transmission fixing rod 3 passes through the through hole and is fully welded to the shaft 1. The transmission fixing rod 3 is embedded in the transmission components at both ends, so its size must be smaller than the size of the groove of the transmission component. When the transmission system is running, the transmission fixing rod 3 drives the entire old filter material 5 to rotate around the shaft, rolling the dirty filter material 5 off the filter section and winding it around the bottom shaft 1.

[0035] A limiting plate 4 is configured between the spike 2 and the transmission fixing rod 3. The limiting plate 4 is a circular plate with a central hole, the diameter of which is slightly larger than that of the shaft 1. Both ends of the shaft 1 pass through the circular hole and are welded and fixed at equal distances from the ends of the shaft 1. The distance between the two limiting plates 4 is greater than the width of the filter material, so as to limit the filter material. The spike 2 is also positioned between the two limiting plates 4. The positions of the two limiting plates 4 on the shaft 1 must be symmetrical from left to right. The distance between the limiting plates 4 must be slightly greater than the width of the filter material 5 in order to limit the filter material 5 and prevent axial deviation.

[0036] It is precisely because of these two components, the spike 2 and the limiting disc 4, that the problems of slippage, skewness, and motor idling of the old filter material are solved by changing the way the filter material 5 is fixed and limited.

[0037] This solution uses welded spikes 2 on shaft 1 to penetrate and fix the filter media 5, thus preventing the filter media 5 from falling off and completely solving the problems of slippage and free rotation. The evenly distributed spikes 2 on shaft 1 ensure that the entire filter media 5 is fully fixed, resulting in a flat surface. Furthermore, the presence of limiting discs 4 on both sides provides a reference point when initially fixing the filter media 5, ensuring uniform tightness across the entire surface. Later, the filter media 5 is limited, so it will not tilt to the left or right from beginning to end. The structure is simple, easy to process, and low in cost, making it suitable for most wound filters.

[0038] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A wound-type filter media anti-slip winding shaft, characterized in that: It includes four parts: shaft (1), spike (2), transmission fixing rod (3), and limiting plate (4). The shaft (1) is wound with filter material (5), and holes are drilled at both ends and in the middle area of ​​the shaft (1). Spikes (2) pass through the through holes on the shaft (1) and are evenly welded to the shaft (1) to fix the filter media (5). The transmission fixing rod (3) passes through the through hole and is fully welded to the shaft (1). The through holes at both ends of the shaft (1) are used to fix the transmission fixing rod (3). One end of the transmission fixing rod (3) is fixedly connected to the motor to drive the shaft (1) to rotate.

2. The filter old-material anti-slip winding shaft of the wound filter according to claim 1, characterized in that: A limiting plate (4) is configured between the spike (2) and the transmission fixing rod (3). The limiting plate (4) is a circular plate with a central hole. The diameter of the hole is slightly larger than that of the shaft (1). Both ends of the shaft (1) pass through the hole and are welded and fixed at equal distances from both ends of the shaft (1).

3. The filter old-material anti-slip winding shaft of the wound filter according to claim 2, characterized in that: The distance between the two limiting discs (4) is greater than the width of the filter material. The spike (2) is located between the two limiting discs (4). The two limiting discs (4) are symmetrical on the shaft (1). The distance between the limiting discs (4) is slightly greater than the width of the filter material (5).

4. The filter old media anti-slip winding axle of claim 1, wherein: The area in the middle of the shaft (1) where the filter cotton is fixed has through holes, and the through holes are evenly distributed in the center.

5. The wound filter old media anti-slip winding shaft of claim 1, wherein: The transmission fixing rod (3) is embedded in the transmission components at both ends, and its size must be smaller than the size of the groove of the transmission component.

6. The wound filter old media anti-slip winding shaft of claim 1, wherein: The spike (2) is a component with sharp ends, and its length is greater than the shaft diameter. Both ends are ground to be sharp. The spike (2) is a smooth circle with both ends ground to be sharp and is evenly welded to the through hole of the shaft (1).

7. The wound filter old media anti-slip winding shaft of claim 6, wherein: The shaft (1) is a galvanized round tube.

8. The wound filter old media anti-slip winding shaft of claim 1, wherein: The spike (2) is made of a smooth round bar, a steel bar, or a screw.

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