Flexible membrane spiral welding filter element production system

Abstract

The invention provides a flexible membrane spiral welding filter element production system, and relates to the technical field of metal pipe fitting machining. The winding belt is partially and spirally wound on the winding shaft and can perform transmission relative to the winding shaft, a winding space used for winding materials is formed between the winding belt and the winding shaft, a feeding port is formed between the winding belt and the winding shaft, a discharging port is formed between the winding belt wound on the winding shaft and the winding shaft, and the discharging port is arranged in the axial direction of the winding shaft; and the welding device is located on the side of the discharging opening and used for welding the splicing seam. Compared with the prior art, the method has the advantages that the technological process is simple and smooth, automatic forming and welding of materials are achieved, complex equipment or operation steps are not needed, and the production cost is remarkably reduced.

Description

Technical Field

[0001] The invention relates to the technical field of metal pipe processing, in particular to a flexible membrane spiral welding filter element production system. Background Art

[0002] Metal tubular filters are widely used in industries such as oil and gas, agriculture, healthcare, aerospace and navigation, chemicals, and food processing, primarily in pipelines, filtration systems, and high-precision equipment. These sectors place stringent demands on filter strength, corrosion resistance, filtration accuracy, and durability, resulting in a continuously growing market demand.

[0003] However, the production process of metal tubular filters is relatively complex, resulting in high production costs. This high cost not only limits the efficiency of large-scale production, but also weakens the product's market competitiveness, hindering its promotion and application in various industries. Summary of the Invention

[0004] In order to solve the above problems, the present application provides a flexible membrane spiral welding filter element production system.

[0005] This application provides a flexible membrane spiral welding filter element production system, which adopts the following technical solutions: A flexible membrane spiral welded filter element production system is used to form a strip of material into a spiral tube, wherein the spiral tube has a splicing seam extending in a spiral shape, comprising: Winding reels; a winding belt, partially spirally wound around the winding shaft and capable of being driven relative to the winding shaft, a winding space for winding materials formed between the winding belt and the winding shaft, a material feed opening formed between the winding belt and the winding shaft, a material discharge opening formed between the winding belt wound around the winding shaft and the winding shaft, and the material discharge opening being arranged along the axial direction of the winding shaft; and A welding device is located on the side of the discharge port and is used to weld the joint seam.

[0006] Preferably, the width of the winding belt is not greater than the width of the material, and the winding belts spirally wound on the winding shaft are in contact with each other in the axial direction of the winding shaft.

[0007] Preferably, the welding device comprises a first roller and a second roller, one of the first roller and the second roller is provided with a welding anode located on its peripheral wall, and the other is provided with a welding cathode located on its peripheral wall; The first roller is located inside the spiral tube and fits against the inner wall of the spiral tube, and the second roller is located outside the spiral tube and fits against the outer wall of the spiral tube. The first roller and the second roller are used to press and weld the joint.

[0008] Preferably, the first roller is coaxially arranged with the winding shaft; And / or, the central axis of the second roller intersects with the central axis of the winding shaft, and the central axis of the second roller is perpendicular to the tangent direction of the splicing seam extending in a spiral shape.

[0009] Preferably, the first roller is coaxially arranged on the end surface of the winding shaft located on the discharge port side.

[0010] Preferably, it further comprises a first driving mechanism, wherein the first driving mechanism is used to drive the second roller to rotate; And / or, it also includes a second driving mechanism, wherein the second driving mechanism is used to drive the winding shaft to rotate.

[0011] Preferably, it also includes a clamping structure, which is at least partially arranged around the winding shaft, and a gap for the spiral tube to pass through is provided between the clamping structure and the winding shaft, and the first roller and the second roller are located at the clamping structure.

[0012] Preferably, the winding shaft includes a first side and a second side arranged opposite to each other along the direction of gravity, and the second side is located below the first side. The clamping structure includes a first part and a second part that are in contact with the outer wall of the spiral tube, the first part is located on the first side, and the second part is located on the second side.

[0013] Preferably, the second portion extends along the axial direction of the winding shaft out of the end surface of the first roller away from the discharge port; And / or, the first portion extends along the axial direction of the winding shaft to the end surface of the winding shaft located on the discharge port side; And / or, the second portion is provided with a notch, and the second roller is fitted with the outer wall of the spiral tube through the notch.

[0014] Preferably, a flow channel is provided along the central axis direction of the winding shaft, at least a portion of the surface of the first roller is located in the flow channel, and a cooling liquid is provided in the flow channel.

[0015] The present invention has the following advantages and beneficial effects: During the production process, a strip of material enters the winding chamber through the feed port. The winding shaft and the winding tape act together to gradually bend and spiral, ultimately forming a spiral tube with a seam. As the spiral tube gradually takes shape, it moves forward along a predetermined trajectory until the seam enters the welding zone. At this point, the seam passes through the welding unit and is welded, ultimately forming a stable tubular structure.

[0016] This simple and streamlined process enables automated forming and welding of materials, eliminating the need for complex equipment or operating procedures, significantly reducing production costs. Due to its high efficiency and degree of automation, this method is not only suitable for large-scale production but also optimizes production efficiency while ensuring high quality, reducing manufacturing costs and enhancing product competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a first structural diagram of an embodiment of the present application; Figure 2 It is a schematic diagram of the structure at the winding space; Figure 3 This is a second structural diagram of an embodiment of the present application; Figure 4 This is a third structural diagram of an embodiment of the present application; Figure 5 This is a schematic diagram of a first structure in which the first roller and the second roller cooperate; Figure 6 is a second structural diagram of the cooperation between the first roller and the second roller; Figure 7 This is a schematic diagram of the structure of the first roller and the joint seam; Figure 8 This is a schematic diagram of the first structure of the winding shaft and the clamping structure; Figure 9 It is a structural diagram of the holding structure; Figure 10 is a schematic diagram of a second structure of the winding shaft and the clamping structure; Figure 11 It is a cross-sectional view of the winding shaft; Figure 12 It is a structural diagram of the material being wound around a winding shaft; Figure 13 It is a structural diagram of a spiral tube.

[0019] The following are marked in the figure: 10. Material; 11. Spiral tube; 11a. Joint seam; 100. Winding shaft; 110. First side; 120. Second side; 130. Flow channel; 140. Cooling element; 200. Winding belt; 210. Winding space; 220. Feed port; 230. Discharge port; 240. Tensioning section; 250. Redundant section; 300. Welding device; 310. First roller; 320. Second roller; 400. First drive mechanism; 500. Second drive mechanism; 600. Clamping structure; 610. First part; 620. Second part; 630. Notch. DETAILED DESCRIPTION

[0020] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0021] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0022] In industrial production processes, filtration equipment is required to treat industrial waste gas or wastewater to prevent environmental pollution. Tubular filter elements are a key component of commonly used industrial filtration equipment. Tubular filter elements typically consist of an outer filter membrane and an inner support.

[0023] Chinese patent application publication number CN117862279A discloses a rigid tube blank and its skeleton structure, comprising a spiral frame, the cross-section of which comprises a first bend, a straight portion, and a second bend arranged sequentially along the connection direction. In use, the frame is used in conjunction with a functional body. When the frame and the functional body are in conjunction, one side of the functional body is connected to the first bend, and the other side is connected to the second bend. By welding the connection between the functional body and the first and second bends, a spiral tube structure is ultimately formed. However, existing spiral tube production processes rely on equipment and worker collaboration, resulting in complex processes and high production costs.

[0024] To address the aforementioned issues, this application provides a flexible membrane spiral-welded filter element production system. This system utilizes a winding reel and a winding tape spirally wound along the reel to automatically form a spiral tube. The system also simultaneously completes the welding process, rapidly forming a tubular structure. This streamlined production process eliminates the need for complex equipment or tedious procedures, significantly reducing production costs and significantly improving efficiency.

[0025] The following combination Figures 1 to 13 A flexible membrane spiral welding filter element production system provided in an embodiment of the present application is described in detail through specific embodiments and application scenarios.

[0026] The embodiment of the present application provides a flexible membrane spiral welding filter element production system, which is used to produce tubular structures, such as metal tubular filter screens (refer to Figure 13 The system forms a strip of material 10 into a spiral tube 11 (refer to Figure 12 、 Figure 13 ), and simultaneous welding is performed during the forming process, resulting in a spirally extending joint seam 11a along its axial direction. Specifically, the spiral tube 11 is formed by spirally rolling and welding a strip of material 10. The material 10 used can be a single strip or a composite strip formed by splicing multiple strips in the width direction. The specific structure and configuration of the material 10 can be adjusted according to actual production needs and is not limited thereto.

[0027] Reference Figure 1 、 Figure 2 The system includes a winding shaft 100, a winding belt 200 and a welding device 300. Among them, the winding shaft 100 is a cylindrical structure. During the production process, the winding shaft 100 provides internal support for the winding of the material 10, and the material 10 is spirally wound around the winding shaft 100. By adjusting the diameter of the winding shaft 100, the inner diameter of the produced pipe fittings can be flexibly adjusted to meet the requirements of pipe fittings of different specifications. For example, the winding shaft 100 can rotate relative to the material 10, or it can remain stationary relative to the material 10. The rotation mode of the winding shaft 100 can be flexibly selected according to actual conditions. It can be either the active rotation of the winding shaft 100 or the passive rotation of the winding shaft 100 driven by the winding action of the material 10.

[0028] Reference Figure 3 、 Figure 4 The winding belt 200 is partially spirally wound around the winding shaft 100 and can be driven relative to the winding shaft 100. A winding space 210 for winding the material 10 is formed between the winding belt 200 and the winding shaft 100. When the strip material 10 enters the winding space 210, the material 10 is bent under the pressure applied by the winding belt 200 and the support provided by the winding shaft 100, thereby being spirally wound into shape.

[0029] It is understood that the rolling effect of the material 10 depends on the force applied by the winding belt 200 to the material 10. Therefore, the winding belt 200 needs to have a certain rigidity to apply sufficient pressure to ensure the material 10 is formed. At the same time, the winding belt 200 needs to be kept taut to firmly press the material 10 against the winding reel 100, thereby ensuring that the rolled pipe has good roundness and forming quality.

[0030] In some embodiments, reference Figure 2 、 Figure 3 A feed port 220 is formed between the winding belt 200 and the winding shaft 100, and a discharge port 230 is formed between the winding belt 200 wound around the winding shaft 100 and the winding shaft 100. The discharge port 230 is arranged along the axial direction of the winding shaft 100. During use, the material 10 enters the winding space 210 through the feed port 220, and the material 10 is formed in the winding space 210 and then discharged from the discharge port 230.

[0031] It is understood that when the winding belt 200 is in motion, it gradually wraps around the winding shaft 100 from one side, while the winding belt 200 on the other side gradually unwinds. The feed port 220 is located on the side where the winding belt 200 wraps around the winding shaft 100, facilitating the entry of the material 10 into the winding space 210. Furthermore, the discharge port 230 is oriented axially along the winding shaft 100, meaning that the wound material 10 gradually extends axially along the winding shaft 100. It is understood that the wound spiral tube 11 is sleeved onto the winding shaft 100 and discharged through the discharge port 230.

[0032] In some embodiments, the winding belt 200 is a belt-like structure that is not connected end to end (not shown in the figure). A winding device is provided on both sides of the winding shaft 100, with one free end of the winding belt 200 being wound around the winding device on one side, and the other free end being wound around the winding device on the other side. Through the coordinated operation of these two winding devices, the winding belt 200 can effectively drive the material 10 to spirally wind around the winding shaft 100. Specifically, while one winding device is winding, the other winding device is in the unwinding state. After completing the production of a spiral tube 11, the system can reverse the unwinding, release the wound winding belt 200, and rewind it, thereby smoothly starting the next round of production. This design improves production continuity and efficiency. In other embodiments, the winding belt 200 can be arranged in other shapes, such as forming a ring structure that is connected end to end.

[0033] In another embodiment, referring to Figure 3 、 Figure 4The winding belt 200 is connected end to end and includes a tensioning section 240 and a redundant section 250. The tensioning section 240 is partially helically wound around the winding spool 100, while the redundant section 250 is at least partially helically arranged, with the helical direction of the redundant section 250 being opposite to that of the winding belt 200 wound around the winding spool 100. The redundant section 250 is provided to adjust the arrangement of the endless winding belt 200, thereby ensuring smooth circulation of the winding belt 200. Within the redundant section 250, the winding belt 200 is relatively relaxed, meaning it is not affected by the force of the tensioning mechanism. This helps alleviate the internal stress generated by the winding belt 200 during the continuous winding process.

[0034] Because the tensioning section 240 is partially helically wound around the winding spool 100, the winding method ensures that adjacent spiral turns of the winding tape 200 do not overlap in the width direction. Specifically, during the winding process, the winding tape 200 is gradually wound along the axial direction of the winding spool 100, with each turn of the winding tape 200 arranged only adjacent to adjacent turns in the width direction, without overlapping or repetitively overlapping. This non-overlapping winding method ensures a uniform spiral structure on the winding spool 100, facilitating a continuous and smooth winding process.

[0035] Because the spiral winding process of the winding tape 200 does not overlap in the width direction, transmission problems occur during the circular transmission of the winding tape 200 due to the inability of the layers of the winding tape 200 to connect naturally. To compensate for this problem, a redundant segment 250 is provided. The reverse spiral design of the redundant segment 250 adjusts the width direction of the winding tape 200, ensuring that the winding tape 200 can be smoothly transmitted throughout the spiral structure of the winding shaft 100. This structural design not only ensures a smooth transition of the winding tape 200 in the width direction, but also improves the winding effect of the material 10 during the winding process, making the entire production process more continuous and efficient.

[0036] In some embodiments, reference Figure 3 、 Figure 4, the redundant section 250 is in a relaxed state. This design not only reduces the tension on the winding belt 200, but also prevents the winding belt 200 from fatigue or damage caused by excessive tension after multiple cycles of transmission. This design effectively extends the service life of the winding belt 200 while reducing friction and wear between the winding belt 200 and other components. In addition, the redundant section 250 allows the arrangement of the winding belt 200 to be smoothly adjusted during the cycle, avoiding transmission obstacles caused by improper winding. This not only maintains the smooth transmission of the winding belt 200, but also optimizes the structural stress state during the entire winding process. Through this design, the redundant section 250 can not only effectively release the internal stress of the winding belt 200, but also improve the overall operating stability and production efficiency of the equipment, further extending the service life of the equipment and the winding belt 200.

[0037] In some embodiments, reference Figure 3 、 Figure 5 The welding device 300 is located near the discharge port 230 and is used to weld the joint seam 11a. The specific welding method can be selected based on actual needs, such as a seam welding device, a stick arc welding device, or a laser welding device 300. These devices move along the axial direction of the pipe by closely adhering to the joint seam 11a to achieve stable and continuous welding.

[0038] According to an optional embodiment, the width of the winding tape 200 is no greater than the width of the material 10, and the winding tape 200 spirally wound around the winding spool 100 contacts each other in the axial direction of the winding spool 100. Specifically, each turn of the winding tape 200 closely adheres to the previous turn during the winding process, forming a continuous contact state. This structural design helps ensure that the strip material 10 is evenly bent during winding under the guidance of the winding tape 200, gradually forming a regularly shaped tube.

[0039] When the material 10 enters the winding space 210, it bends and deforms under the influence of the winding belt 200, forming a spiral tube 11. During this process, because the winding belt 200, which is spirally wound around the winding shaft 100, contacts each other in the axial direction, the material 10 is forced to form a spiral structure with a pitch similar to that of the winding belt 200. Furthermore, because the width of the winding belt 200 is not greater than the width of the material 10, the width of the material 10 is necessarily greater than or equal to the pitch of the winding belt 200, which is spirally wound around the winding shaft 100. This design ensures that the spiral structure formed by the material 10 is tightly fitted in the axial direction.

[0040] It's worth noting that "the winding tape 200 spirally wound around the winding shaft 100 contacts each other in the axial direction of the winding shaft 100" means that each winding of the winding tape 200 is closely adjacent to each other in the axial direction, but does not overlap. This optimizes material utilization and avoids excess material waste during the winding process. This design solution not only ensures product quality but also improves production efficiency.

[0041] Specifically, when the material 10 is spirally bent and formed, the pushing action of the winding belt 200 causes the material 10 to be effectively axially squeezed during the spiral winding process. This squeezing action ensures that the formed spiral tubes 11 are axially aligned or overlapped to a certain extent.

[0042] In some embodiments, an opening may be provided on one side of the material 10, that is, the opening extends along the extension direction of the material 10. Thus, when the material 10 is formed into the spiral tube 11, the other side of the material 10 is inserted into the opening, thereby forming a spiral tube 11. Figure 13 The structure shown in FIG. Specifically, the joint 11a is an overlapping structure, meaning that the joint 11a is composed of at least two layers of material. During welding, these two or more layers can be tightly welded together. This overlapping structure increases the strength of the joint 11a and provides a good contact surface for the welding operation.

[0043] It is understood that during the movement of the winding belt 200 spirally wound around the winding shaft 100, the portions thereof that abut against each other move in the same direction. Because the movement is consistent, friction or wear between the abutting portions will not occur. This design effectively extends the service life of the equipment and the winding belt 200, reducing maintenance frequency. Furthermore, since the material 10 enters the winding space 210 through the movement of the winding belt 200, if the winding belt 200 abuts against each other axially, the resulting pipe will also exhibit a tightly abutting structure.

[0044] According to an alternative embodiment, referring to Figure 5 、 Figure 6 The welding device 300 includes a first roller 310 and a second roller 320. One of the first roller 310 and the second roller 320 has a welding anode located on its peripheral wall, and the other has a welding cathode located on its peripheral wall. The first roller 310 is located inside the spiral tube 11 and is in contact with the inner wall of the spiral tube 11. The second roller 320 is located outside the spiral tube 11 and is in contact with the outer wall of the spiral tube 11. The first roller 310 and the second roller 320 are used to compress and weld the joint seam 11a.

[0045] The welding anode and cathode function as electrodes. In practice, they connect to a circuit, allowing current to flow through the joint 11a. The heat generated by the current flowing through the joint 11a causes the material at the joint to melt, thus achieving welding. The basic principle of this welding method is similar to that of seam welding (which can also be considered a welding method based on the principles of seam welding): The electrodes are electrically connected, generating heat to melt and connect the materials.

[0046] It's particularly noteworthy that the welding anode and cathode are located on the outer circumferential walls of the first roller 310 and the second roller 320, respectively. This allows the electrodes to ensure a stable current flow through the seam 11a while the first and second rollers 310 and 320 compress the seam 11a, resulting in a more uniform and reliable welding process. This design makes the welding process more continuous and efficient, improving welding quality while reducing the occurrence of welding defects.

[0047] In some embodiments, both the first roller 310 and the second roller 320 are rotatable, enabling the joint seam 11a to be welded in real time while the spiral tube 11 is being formed. This "welding-while-forming" design significantly improves production efficiency and avoids the time delay required by traditional methods of forming and then welding. Because both the first roller 310 and the second roller 320 are rotatable, the joint seam 11a is subjected to uniform pressure throughout the welding process, helping to improve weld strength and reduce welding defects to a certain extent.

[0048] According to an alternative embodiment, referring to Figure 5 、 Figure 8 , the first roller 310 is coaxially arranged with the winding shaft 100. In other words, the rotation axis of the first roller 310 coincides with the rotation axis of the winding shaft 100.

[0049] According to an optional embodiment, the central axis of the second roller 320 intersects the central axis of the winding shaft 100, and the central axis of the second roller 320 is perpendicular to the tangent direction of the spirally extending splicing seam 11a. In this way, the rolling direction of the second roller 320 can be consistent with the extension direction of the splicing seam 11a, which facilitates the second roller 320 and the first roller 310 to cooperate in pressing the splicing seam 11a. At the same time, the second roller 320 can also guide the spiral movement of the spiral tube 11, thereby maintaining a good relative relationship between the splicing seam 11a and the second roller 320, preventing the second roller 320 and the first roller 310 from being offset from the splicing seam 11a, thereby improving the continuity and accuracy of the welding process and enhancing the welding quality.

[0050] It should be noted that, referring to Figure 6 、 Figure 7The second roller 320 rolls along the extending direction of the seam 11a, while the first roller 310 rolls in a direction intersecting the seam 11a. Therefore, under the combined rolling action of the first and second rollers 310, 320, the deformation and stretching tendency generated during the rolling process are concentrated along the width of the seam 11a, rather than along its length. This rolling method ensures uniform deformation of the seam 11a across its width, reducing the risk of stretching along its length.

[0051] This design helps prevent excessive deformation accumulation along the length of the seam 11a. If the rolling action is concentrated along the length of the seam 11a, the length of the seam 11a may gradually increase during welding. Since other areas outside the seam 11a are not stretched, material accumulation or folding may occur at the seam 11a, affecting welding quality and even hindering smooth welding. However, rolling along the width of the seam 11a helps maintain the stability of the seam 11a and further improves welding quality.

[0052] According to an alternative embodiment, referring to Figure 3 、 Figure 5 The first roller 310 is coaxially mounted on the end surface of the winding shaft 100 on the discharge port 230 side. Specifically, the first roller 310 is fixedly connected to the winding shaft 100 and located on the end surface on the discharge port 230 side, enabling them to rotate synchronously. When the first roller 310 and the second roller 320 press together the joint 11a for welding, they heat the material 10 at the joint 11a, causing it to melt and weld. During this process, the temperatures of the first roller 310 and the second roller 320 gradually increase.

[0053] Because the first roller 310 is located inside the spiral tube 11, heat dissipation is difficult, causing its temperature to exceed the ideal operating range. Therefore, by connecting the first roller 310 to the winding shaft 100, the heat from the first roller 310 can be effectively transferred to the winding shaft 100, increasing the heat dissipation area, thereby reducing the temperature of the first roller 310 and preventing overheating.

[0054] A moderate increase in the temperature of the winding shaft 100 also has a positive effect on the winding of the material 10. When the material 10 is wound on the winding shaft 100, the temperature of the winding shaft 100 affects the material 10, making it easier to form into the spiral tube 11 and less prone to springback after forming. This structural design helps improve the forming quality of the spiral tube 11, ensuring more stable performance during use.

[0055] It will be appreciated that in this embodiment, the connection method between the first roller 310 and the winding shaft 100 has multiple options and can be flexibly designed according to actual needs. For example, the connection between the two can be achieved through welding, threaded connection, or bolt connection. This design allows the first roller 310 and the winding shaft 100 to be fixedly connected or detachably connected as needed, facilitating subsequent maintenance or replacement. In addition, the first roller 310 and the winding shaft 100 can also be integrally formed, making them more compact in structure and improving heat transfer efficiency.

[0056] This embodiment does not impose strict restrictions on the specific connection method between the first roller 310 and the winding shaft 100, providing greater design flexibility. Users can select the appropriate connection method to achieve the best performance based on different application scenarios and processing requirements. For example, threaded or bolted connections facilitate component removal or replacement when necessary, while an integrated molding design reduces assembly steps and improves overall structural rigidity and heat transfer efficiency.

[0057] According to an alternative embodiment, referring to Figure 1 、 Figure 3 , further comprising a first drive mechanism 400 for driving the second roller 320 to rotate. This design makes the second roller 320 an active rolling element, whose active rotation drives the spiral tube 11 to move helically along the axial direction. When one end of the spiral tube 11 moves helically under the propulsion of the winding belt 200, while the other end also moves helically under the drive of the second roller 320, the synchronization and precision of the movement of the spiral tube 11 are improved, preventing misalignment or deviation. This helps ensure that the second roller 320 is always aligned with the splicing seam 11a of the spiral tube 11, further improving the precision and quality of the welding operation.

[0058] According to an optional embodiment, a second drive mechanism 500 is further included, which is used to drive the winding spool 100 to rotate. By actively rotating the winding spool 100, not only can the winding of the spiral tube 11 be more stable and smooth, but the rotation of the winding spool 100 can also drive the synchronous rotation of the first roller 310. This design allows the first roller 310 and the second roller 320 to work together to apply more uniform pressure to the welding position, thereby enhancing the welding effect and improving the quality and strength of the splicing seam 11a.

[0059] Through the cooperation of the first driving mechanism 400 and the second driving mechanism 500, the operation of the entire system is smoother, which not only improves the movement accuracy of the spiral tube 11 during the processing, but also makes the welding operation more efficient and ensures the stability of the welding quality.

[0060] It is understandable that the first driving mechanism 400 and the second driving mechanism 500 are both existing technologies, and may include components such as motors, thereby driving the winding shaft 100 and the second roller 320 to rotate.

[0061] According to an alternative embodiment, referring to Figure 8 、 Figure 9 , also includes a clamping structure 600, which is at least partially arranged around the winding shaft 100, and a gap is provided between the clamping structure 600 and the winding shaft 100 for the spiral tube 11 to pass through. The first roller 310 and the second roller 320 are located at the clamping structure 600. It is understandable that during the welding process of the spiral tube 11, the strength of the welding part will be reduced due to heating, and deformation will easily occur. Since the spiral tube 11 is produced continuously, the spiral tube 11 after welding will exert additional pressure on the welding part under the action of gravity, increasing the risk of deformation. The clamping structure 600 effectively shares the gravity load of the spiral tube 11 after welding by supporting and reinforcing the spiral tube 11 at the welding part, avoiding deformation of the welding part caused by gravity, thereby ensuring the finished product quality and structural stability of the spiral tube 11. In addition, the clamping structure 600 can limit the outer diameter of the spiral tube 11, so that the outer diameter of the spiral tube 11 after welding remains consistent.

[0062] According to an alternative embodiment, referring to Figure 9 、 Figure 10 The winding reel 100 includes a first side 110 and a second side 120 that are oppositely disposed in the direction of gravity, with the second side 120 located below the first side 110. The clamping structure 600 includes a first portion 610 and a second portion 620 that are in contact with the outer wall of the spiral tube 11. The first portion 610 is located on the first side 110, and the second portion 620 is located on the second side 120. That is, in the direction of gravity, the first portion 610 is above the second portion 620. In actual production, the first portion 610 is located above the spiral tube 11, and the second portion 620 is located below the spiral tube 11.

[0063] It is understood that the finished spiral tube 11 is susceptible to deformation under the influence of gravity, primarily in the vertical direction of the weld. This deformation trend is along the direction of gravity, meaning that deformation of the spiral tube 11 at the weld is primarily manifested as vertical force. By providing the first portion 610 and the second portion 620 to support and constrain the spiral tube 11 above and below, respectively, deformation in this direction is effectively suppressed, ensuring that the spiral tube 11 at the weld is not easily deformed, thereby ensuring the stability of the welding process and the final quality of the product.

[0064] In some embodiments, the clamping structure 600 employs a hollow design with the exception of the first portion 610 and the second portion 620. This increases the contact area between the first roller 310 and the second roller 320 and the outside air, improving heat dissipation. Furthermore, it prevents the spiral tube 11 from being completely encased in the weld area, thereby facilitating rapid cooling of the weld. This design not only ensures strength recovery at the weld area but also prevents excessive encapsulation that could restrict the welding process or lead to poor heat dissipation, thereby improving welding quality and production efficiency.

[0065] According to an alternative embodiment, referring to Figure 8 、 Figure 9 The second portion 620 extends axially along the winding shaft 100 beyond the end surface of the first roller 310 facing away from the discharge port 230. This design increases the contact area between the second portion 620 and the spiral tube 11 at the weld, ensuring good contact between the second portion 620 and the spiral tube 11 on both sides of the weld. This allows the second portion 620 to provide more adequate support when the weld decreases due to heating, preventing deformation of the spiral tube 11 at the weld.

[0066] According to an optional embodiment, the first portion 610 extends along the axial direction of the winding shaft 100 to the end face of the winding shaft 100 on the side of the discharge port 230. It is understandable that since the welded spiral tube 11 is subject to the force of gravity mainly vertically downward in the direction of gravity, the main function of the first portion 610 located above the spiral tube 11 is to prevent the spiral tube 11 from tilting. To achieve this purpose, the first portion 610 only needs to extend to the end face on the side of the discharge port 230. This can effectively prevent the spiral tube 11 from tilting and ensure that the spiral tube 11 in the welded portion is exposed to the air, further improving the heat dissipation efficiency and avoiding the impact of excessive wrapping on the cooling effect.

[0067] According to an alternative embodiment, referring to Figure 9 The second portion 620 is provided with a notch 630, and the second roller 320 is in contact with the outer wall of the spiral tube 11 through the notch 630. This design not only facilitates the second roller 320 to cooperate with the first roller 310 to effectively press the joint 11a and weld it, but also enhances the support effect of the second portion 620 on the welding part.

[0068] According to an alternative embodiment, referring to Figure 11 A flow channel 130 is provided along the central axis of the winding shaft 100. At least a portion of the surface of the first roller 310 is located within the flow channel 130, which is filled with coolant. The flow of coolant effectively controls the temperature of the winding shaft 100 and the first roller 310, preventing excessive temperatures. This design not only helps maintain the normal operation of the equipment, but also improves the stability and quality of the welding process, preventing potential problems caused by overheating.

[0069] In some embodiments, a cooling element 140, such as a hollow tank filled with coolant, is provided on the side of the winding shaft 100 facing away from the discharge port 230. Coolant is stored in the cooling element 140 and is in communication with the flow channel 130. For example, the cooling element 140 is threadedly secured to the end of the winding shaft 100. As the winding shaft 100 rotates, the coolant circulates within the flow channel 130, effectively controlling the temperature of the winding shaft 100 and the first roller 310. This design not only ensures the temperature stability of the equipment but also further enhances the overall temperature control during the welding process, preventing overheating from affecting production efficiency and quality.

[0070] It should be noted that, referring to Figure 1 The winding reel 100, welding device 300, holding structure 600, first drive mechanism 400, and second drive mechanism 500 all rely on supports for stable operation. For example, these components can be mounted on a frame, with the winding reel 100 fixedly connected to the frame via bearings and other components. The welding device 300, holding structure 600, first drive mechanism 400, and second drive mechanism 500 can also be connected to the frame. The frame serves as the supporting structure of the entire mechanism and provides a foundation for the installation of various components.

[0071] In some embodiments, the rack can be a single, integral structure designed to support the entire mechanism's operations. Alternatively, the rack can be comprised of multiple support structures, each discretely secured to the ground or other fixed surface to form a stable operating platform. This flexible support approach allows the installation location and layout of the equipment to be tailored to the specific needs of the production site, improving both adaptability and production efficiency.

[0072] The above description is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be covered by the scope of protection of the present invention.

Claims

1. A flexible membrane spiral welded filter element production system, used for forming a strip-shaped material (10) into a spiral tube (11), wherein the spiral tube (11) has a splicing seam (11a) extending in a spiral shape, characterized in that: include: Winding reel (100); A winding belt (200) is partially spirally wound around the winding shaft (100) and can be driven relative to the winding shaft (100); a winding space (210) for winding the material (10) is formed between the winding belt (200) and the winding shaft (100); a material inlet (220) is formed between the winding belt (200) and the winding shaft (100); a material outlet (230) is formed between the winding belt (200) wound around the winding shaft (100) and the winding shaft (100); the material outlet (230) is arranged along the axial direction of the winding shaft (100); and, A welding device (300) is located on the side of the discharge port (230) and is used to weld the joint seam (11a).

2. A flexible membrane spiral welding filter element production system according to claim 1, characterized in that: The width of the winding belt (200) is not greater than the width of the material (10), and the winding belts (200) spirally wound on the winding shaft (100) are in contact with each other in the axial direction of the winding shaft (100).

3. A flexible membrane spiral welding filter element production system according to claim 1, characterized in that: The welding device (300) comprises a first roller (310) and a second roller (320), wherein one of the first roller (310) and the second roller (320) is provided with a welding anode located on its peripheral wall, and the other is provided with a welding cathode located on its peripheral wall; The first roller (310) is located inside the spiral tube (11) and is in contact with the inner wall of the spiral tube (11); the second roller (320) is located outside the spiral tube (11) and is in contact with the outer wall of the spiral tube (11); the first roller (310) and the second roller (320) are used to press and weld the joint seam (11a).

4. A flexible membrane spiral welding filter element production system according to claim 3, characterized in that: The first roller (310) is coaxially arranged with the winding shaft (100); And / or, the central axis of the second roller (320) intersects with the central axis of the winding shaft (100), and the central axis of the second roller (320) is perpendicular to the tangent direction of the splicing seam (11a) extending in a spiral shape.

5. A flexible membrane spiral welding filter element production system according to claim 3, characterized in that: The first roller (310) is coaxially arranged on the end surface of the winding shaft (100) located on the side of the discharge port (230).

6. A flexible membrane spiral welding filter element production system according to any one of claims 3 to 5, characterized in that: It also includes a first driving mechanism (400), wherein the first driving mechanism (400) is used to drive the second roller (320) to rotate; And / or, further comprising a second driving mechanism (500), wherein the second driving mechanism (500) is used to drive the winding shaft (100) to rotate.

7. A flexible membrane spiral welding filter element production system according to claim 3, characterized in that: It also comprises a clamping structure (600), the clamping structure (600) being arranged at least partially around the winding shaft (100), a gap being arranged between the clamping structure (600) and the winding shaft (100) for the spiral tube (11) to pass through, and the first roller (310) and the second roller (320) being located at the clamping structure (600).

8. A flexible membrane spiral welding filter element production system according to claim 7, characterized in that: The winding shaft (100) comprises a first side (110) and a second side (120) which are arranged opposite to each other along the direction of gravity, and the second side (120) is located below the first side (110); the clamping structure (600) comprises a first part (610) and a second part (620) which are in contact with the outer wall of the spiral tube (11); the first part (610) is located on the first side (110), and the second part (620) is located on the second side (120).

9. A flexible membrane spiral welding filter element production system according to claim 8, characterized in that: The second portion (620) extends along the axial direction of the winding shaft (100) out of the end surface of the first roller (310) facing away from the discharge port (230); And / or, the first portion (610) extends along the axial direction of the winding shaft (100) to an end surface of the winding shaft (100) located on the discharge port (230) side; And / or, the second part (620) is provided with a notch (630), and the second roller (320) is in contact with the outer wall of the spiral tube (11) through the notch (630).

10. A flexible membrane spiral welding filter element production system according to claim 3, characterized in that: A flow channel (130) is provided along the central axis direction of the winding shaft (100), at least a portion of the surface of the first roller (310) is located in the flow channel (130), and a cooling liquid is provided in the flow channel (130).

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