A leak-proof magnetic screen door

Abstract

The present invention discloses a leak-proof magnetic screen door, which comprises at least two pieces of screen meshes and edge seals installed around the screen meshes. The edge seals at least include edge cloth one installed on the side parts of adjacent screen meshes, edge cloth two adapted to be installed on the door frame and the bottom of the screen meshes, and edge cloth three adapted to be installed on the top of the screen meshes and connected in series with the screen meshes. Edge cloth one includes an outer layer and an inner layer. The outer layer is adapted to wrap around the periphery of the inner layer and the size of the cross section of the outer layer is larger than that of the inner layer. An installation part for holding magnets is arranged on the inner layer, and the installation part is located inside the inner layer. Compared with the prior art, the double-layer one-time edge-sealing structure can install the magnets inside the edge cloth, and make the outer edge cloth completely wrap the inner edge cloth, with a gap reserved between the inner edge cloth and the outer edge cloth. When sewing or welding, the double-layer edge-sealing will not have wrinkles, and when the magnets are adsorbed, the outer edge cloth can be abutted and expanded, thus eliminating the phenomenon of screen door leakage.

Description

Technical Field

[0001] The present invention relates to the technical field of magnetic screen door structures, and particularly to a magnetic screen door structure capable of avoiding gaps and a production process of the magnetic screen door. Background Art

[0002] Existing magnetic screen door structures are all sealed at the four sides of the screen door with edge cloth. During production, an inner edge cloth for installing magnets is first sewn or ultrasonically welded to the side of the screen mesh, a magnet installation structure is provided on the inner edge cloth, and finally an outer edge cloth is sewn or ultrasonically welded to the screen mesh. The outer edge cloth wraps the inner edge cloth. In this way, there will be two sealing edges in two processes, and when the outer edge cloth seals the inner edge cloth, it is generally fixed by butting joints, which easily causes the two sealing edges to be uneven and prone to wrinkles; when the outer edge cloth is sewn or welded to the screen mesh, the middle parts of the inner edge cloth and the outer edge cloth need to be in close contact. At this time, due to the presence of magnets inside and the magnets being distributed in a linear array, serious wrinkles will also appear between the magnet area and the non-magnet area of the outer edge cloth. This makes it impossible to avoid the problem of unsightly sealing edge wrinkles caused by the presence of magnets in the double-layer edge wrapping and easy gaps when the screen door is sealed by magnets. Summary of the Invention

[0003] The present invention solves the problem that the double-layer double-channel edge wrapping of the magnetic screen door is prone to wrinkles and causes gaps, and thus proposes a new magnetic screen door structure and production process with double-layer one-time edge wrapping to eliminate gaps caused by two-edge wrapping.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A leak-proof magnetic screen door includes at least two screen meshes and an edge wrapping installed around the screen meshes. The edge wrapping at least includes an edge cloth one installed on the side of adjacent screen meshes, an edge cloth two suitable for installing on the door frame and the bottom of the screen mesh, and an edge cloth three suitable for installing on the top of the screen mesh and connecting the screen meshes in series. The edge cloth one includes an outer layer and an inner layer. The outer layer is suitable for wrapping around the periphery of the inner layer and the size of the cross-section of the outer layer is larger than the size of the cross-section of the inner layer. An installation part for holding magnets is provided on the inner layer, and the installation part is located inside the inner layer.

[0006] Compared with the prior art, adopting a double-layer one-time edge wrapping structure can install the magnets inside the edge cloth, and make the outer edge cloth completely wrap the inner edge cloth, with a gap reserved between the inner edge cloth and the outer edge cloth. No wrinkles will appear in the double-layer edge wrapping during sewing or welding. When the magnets adsorb, the outer edge cloth can be abutted and expanded, thus eliminating the phenomenon of gaps in the screen door.

[0007] Preferably, a separation area is provided between the outer layer and the inner layer. The separation area is suitable for the inner layer to be concavely folded inside the outer layer. The perimeter of the outer layer is about 1 to 1.5 times the perimeter of the inner layer. The outer surfaces of side cloth two and side cloth three are both rough surfaces. The inner layer and the outer layer are precisely separated by the separation area. When the inner layer is concavely folded, the inner and outer layer structures are precisely separated with the separation area as the dividing line. Preferably, the toughness of the side cloth of the inner layer is greater than that of the side cloth of the outer layer, ensuring that the outer side cloth can obtain a water droplet-shaped structure after being sewn or welded with the screen mesh, eliminating the problem of wrinkles in the outer side cloth caused by the presence of internal magnets.

[0008] Preferably, an arched support is installed inside side cloth three. Both ends of the arched support are respectively inserted with connecting sleeves, and the connecting sleeves are arranged at the inner ends of side cloth three. A suspension member is installed in the middle of the arched support. The arched support is connected to the top of the corresponding side cloth one through the suspension member.

[0009] Preferably, the suspension member is of a W-shaped or M-shaped structure. If it is a W-shaped structure, the three connecting ends at the top are installed on the arched support, and the two connecting ends at the bottom are installed on the top of the corresponding side cloth one. If it is an M-shaped structure, among the three connecting ends at the bottom, the middle connecting end is installed at the joint of the two side cloth ones, and the remaining connecting ends are installed on the side of the side cloth one away from the joint. The two connecting ends at the top are both installed on the arched support.

[0010] Compared with the existing screen door structure, in this solution, the top of side cloth one is suspended and pulled through the arched support via the suspension member, avoiding the sagging of the side cloth at the middle part of the screen door with magnets after being used for a period of time. The main reasons for the sagging are as follows: the presence of magnets causes the sagging of the side cloth at this part, and the connecting seam is distorted and deformed; in addition, the middle part of the side cloth is the part where people often pass through, and opening the channel seam in the middle of the screen door requires breaking the adsorption force between the magnets, which leads to the sagging of the middle part of the screen door. The sagging causes the screen mesh to be distorted, and the distortion of the screen mesh easily causes the corresponding two magnets to be vertically misaligned, and the vertical misalignment leads to the appearance of gaps, affecting the anti-mosquito effect of the screen door.

[0011] The production process of the leak-proof magnetic screen door is as follows:

[0012] Step 1: Online fixed-length cutting of the screen mesh and side cloth one: One end of the screen mesh and side cloth one is trimmed and fed according to the design size requirements, and the screen mesh and side cloth one are transported together using cutting equipment and subjected to fixed-length cutting.

[0013] Step 2: Modification of side cloth one: The corresponding installation parts are bonded or sewn in a linear array on the inner layer of the side cloth one after fixed-length cutting.

[0014] Step 3: Assembly of magnets on side cloth one: The magnets are installed in the corresponding installation parts, and initially, the inner layer is concavely folded inside the outer layer with the separation area.

[0015] Step 4: Assembly of the screen door blank: Sew or weld the cut edge cloth 1 and edge cloth 2 in sequence according to the order of the side part first and then the bottom part. Among them, the edge cloth 2 located on the side part is cut together with the edge cloth 1.

[0016] Step 5: Assembly of the finished screen door: When assembling the edge cloth 3 and the screen mesh, first process connecting sleeves on the inner sides of both ends of the edge cloth 3. Top support the top of the arched support member on the inner top of the edge cloth 3, and insert the end part into the connecting sleeve. Connect the top of the arched support member and the edge cloth 1 through a suspension member to ensure that the suspension member is in a taut state. Finally, sew or weld the edge cloth 3 to the tops of the edge cloth 1, edge cloth 2 and the screen mesh. The outer layers of the two edge cloth 1s after assembly are both concave and in close contact. The concave part of the outer layer is the connecting part of the suspension member.

[0017] Compared with the existing screen door production method, in this solution, the screen mesh and the edge cloth are cut to a fixed length together. The edge cloth refers to the edge cloth on the side where the magnet is installed (i.e., the edge cloth 1). Double-layer single-edge wrapping is used to realize the assembly of the magnet, the edge cloth and the screen mesh. In this way, the problem of easy wrinkling in double-layer double-edge wrapping can be avoided. At the same time, when assembling the finished screen door, the top of the edge cloth 1 is concave-folded and connected to the suspension member. While improving the structural stability of the edge cloth 1 and the suspension member, it can also ensure that the two edge cloth 1s are in a state of abutting and expanding after the magnet is adsorbed. At the same time, both ends of the arched support member are respectively connected to the corresponding connecting sleeves, transferring part of the force on the edge cloth 1 in the middle of the screen door to the edge cloth 2 that is difficult to be deformed by force and the two ends of the edge cloth 3, thus eliminating the problem of leakage.

[0018] Preferably, the cutting equipment includes a clamping and cutting component 1 and a clamping and cutting component 2 that move synchronously and continuously convey the screen mesh and the edge cloth 1 online. <s

[0019] Both the clamping and cutting component 1 and the clamping and cutting component 2 include a conveying part and a clamping part installed on the conveying part. Two flexible clamping members are installed on the clamping part. The two flexible clamping members are suitable for flexibly clamping the screen mesh and the edge cloth. A compensating member is installed on the clamping and cutting component 1, and a cutting member corresponding to the position of the compensating member is installed on the clamping and cutting component 2.

[0020] The compensating member is suitable for outwardly stretching and tensioning the screen mesh and the edge cloth 1 clamped by the two flexible clamping members.

[0021] The cutting member is suitable for online cutting of the screen mesh and the edge cloth 1 outwardly stretched and tensioned at the compensating member.

[0022] In the past, when making screen doors, the screen was cut separately and the edge cloth was sewn continuously. Sewing the edge cloth continuously and separately easily caused the upper and lower misalignment of the two attracting magnets after sewing or welding. By simultaneously conveying the screen and the edge cloth and performing fixed-length cutting, it only needs to ensure that the position of the installation part on the first edge cloth is constant, which can ensure that the two attracting magnets are not misaligned vertically. At the same time, after using for a period of time, the phenomenon of leakage at the first edge cloth can be eliminated.

[0023] In this solution, the screen and the first edge cloth are continuously conveyed online through two clamping and cutting components. The clamping part tensions the clamped screen and the first edge cloth inside the clamping part, and also clamps and tensions the part clamped between the clamping parts. At the same time, when continuously conveying the screen and the first edge cloth, the online high-efficiency and high-quality cutting can be realized through the cooperation of the compensation part and the cutting part, thereby eliminating the interference problem of the screen, the first edge cloth and the cutting part in the conveying direction.

[0024] Preferably, the two flexible clamping parts are symmetrically arranged. The flexible clamping part includes a rotating rod fixedly installed on the clamping part. A first torsion spring is installed at the rotation node of the rotating rod and the clamping part. The free end of the rotating rod is rotatably installed with a clamping body;

[0025] Both of the clamping bodies are clamping rollers, and both of the clamping bodies and the corresponding rotating rods are connected through a one-way rotation structure.

[0026] Compared with the existing online cutting structure in the past, the clamping rollers are used to clamp the screen and the first edge cloth and at the same time perform tensioning and leveling treatment on them, eliminating the problems of uneven cutting or inconsistent cutting length caused by unevenness (looseness). At the same time, after tensioning, it cannot move in the reverse direction until the two corresponding clamping parts are separated to release.

[0027] Preferably, the compensation part includes a first vertical guide groove arranged on the clamping part of the first clamping and cutting component and a first wedge block arranged on the frame of the conveying part. A first guide rod is installed inside the first vertical guide groove and one end of the first guide rod is exposed outside the clamping part. A first connecting rod vertically slidably inserted inside the clamping part is fixed on the first guide rod. A first return spring is sleeved outside the first connecting rod, and the bottom of the first return spring abuts against the inside of the clamping part. The bottom end part of the first connecting rod is exposed outside the clamping part and is located between the two first flexible clamping parts. A pressing rod is fixedly installed at the bottom of the first connecting rod. A cutting seam is installed on the pressing rod. The first connecting rod is an elastic telescopic rod;

[0028] The cutting member includes a vertical guide groove II disposed on the clamping portion of the clamping and cutting assembly II and a wedge block II disposed on the frame of the conveying portion. A guide rod II is installed inside the vertical guide groove II, and one end portion of the guide rod II is exposed outside the clamping portion. A connecting rod II vertically slidably inserted into the inner side of the clamping portion is fixed on the guide rod II. A return spring II is sleeved outside the connecting rod II, and the bottom of the return spring II abuts against the inner side of the clamping portion. The top end portion of the connecting rod II is exposed outside the clamping portion and is located between the two flexible clamping members. A cutter is fixedly installed at the top of the connecting rod II.

[0029] Preferably, the conveying portion includes two parallel conveyor belts, and the clamping portion includes a connecting plate longitudinally installed on the two conveyor belts.

[0030] Preferably, the process of the cutting device cutting the screen mesh and the edge cloth is as follows:

[0031] S100: One end of the screen mesh and the edge cloth I is cut and trimmed according to the design size requirements and fed. A pair of rollers is installed at the feeding end of the cutting device. The pair of rollers maintains a certain resistance at the feeding end to ensure that the fed screen mesh and the edge cloth I do not have obvious curling / bending changes during the feeding process. The clamping and cutting assembly I and the clamping and cutting assembly II clamp the screen mesh and the edge cloth I through the two conveying portions and convey them to the cutting station. The flexible clamping member on the side close to the cutting station will first clamp the screen mesh and the edge cloth I and move it away from the cutting station. The screen mesh and the edge cloth I clamped by the flexible clamping member on the side far from the cutting station of the previous set of clamping portions and the flexible clamping member on the side close to the cutting station of the current set of clamping portions are tensioned and flattened in an online reverse manner. Subsequently, the flexible clamping member on the current side far from the cutting station will clamp the screen mesh and the edge cloth I again, cut off the screen mesh and the edge cloth I clamped by the flexible clamping member on the side close to the cutting station, and at the same time, the flexible clamping member on the current side far from the cutting station will push the screen mesh and the edge cloth I forward for supply;

[0032] S200: After the screen mesh and the edge cloth I are clamped and conveyed to the cutting station, the positions of the wedge block I and the wedge block II correspond. The two will simultaneously act on the guide rod I to vertically slide along the vertical guide groove I to compress the return spring I, and through the connecting rod I, the pressing rod will push the screen mesh and the edge cloth I outwards. The guide rod II will vertically slide along the vertical guide groove II to compress the return spring II, and through the connecting rod II, the cutter will push the screen mesh and the edge cloth I outwards to precisely cut the screen mesh and the edge cloth I at the cutting seam. The screen mesh and the edge cloth I at this place are the screen mesh and the edge cloth I clamped between the flexible clamping member on the side close to the cutting station and the flexible clamping member on the side far from the cutting station in the two clamping portions corresponding to the current position.

[0033] Compared with the prior art, the present invention has the following beneficial effects:

[0034] The present invention designs a new screen door structure with double-layer edging processed at one time. The magnets are installed by using the inner edging, and the outer edging prevents leakage. A partition area is used for precise separation between the inner layer and the outer layer to ensure that the outer edging will not have a leakage problem due to serious wrinkles caused by the inner layer wrapping the magnets. At the same time, a reinforced center mechanical structure is added inside the third side cloth to prevent the third side cloth from having a leakage problem easily after being serially installed with the screen mesh and the first side cloth. The two first side cloths are pulled by using an arched support through a suspension member, so that the mechanical force received by the first side cloth is dispersed to the third side cloth and the second side cloth (side part), eliminating the leakage problem. During the production process of the present invention, the first side cloth and the screen mesh are accurately cut to a fixed length online, so that the accurate cutting of the screen mesh and the first side cloth eliminates the phenomenon of vertical misalignment of the magnets caused by their separate cutting. The bottom of the suspension member is connected to the first side cloth fixed with an inward concave folding treatment. The suspension member adopts a W-shaped or M-shaped structure to eliminate the unstable factors in the connection between the arched support and the first side cloth, thereby eliminating the leakage problem that appears after using for a period of time. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a schematic diagram of the overall structure of the magnetic screen door of the present invention;

[0036] Figure 2 is a sectional view of the magnetic screen door of the present invention when adsorbed;

[0037] Figure 3 is a sectional view of the magnetic screen door of the present invention when opened;

[0038] Figure 4 is a sectional view of the inside of the third side cloth of the magnetic screen door of the present invention;

[0039] Figure 5 is a schematic diagram of the overall structure of the cutting device of the present invention;

[0040] Figure 6 is a schematic diagram of the structure of the cutting device of the present invention during clamping and conveying;

[0041] Figure 7 is a schematic diagram of the structure of the cutting device of the present invention during clamping, conveying and cutting;

[0042] Figure 8 is a partial enlarged view of the cutting position of the cutting device of the present invention during clamping, conveying and cutting;

[0043] Figure 9 is a sectional view of the one-way rotation structure at the flexible clamping member of the present invention;

[0044] Figure 10 is a schematic diagram of the internal structure of the cutting member of the present invention;

[0045] Figure 11 is a schematic diagram of the internal structure of the compensating member of the present invention;

[0046] Figure 12 This is a top view of the cutting device of the present invention during clamping and conveying. Specific embodiments

[0047] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0048] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0049] Embodiment 1, a leak-proof magnetic screen door, including at least two screen meshes 100 and a sealing edge installed around the screen meshes 100. The sealing edge at least includes a first side cloth 200 installed on the side of adjacent screen meshes 100, a second side cloth 300 suitable for installing on the door frame and the bottom of the screen meshes 100, and a third side cloth 400 suitable for installing on the top of the screen meshes 100 and connecting the screen meshes 100 in series. The first side cloth 200 includes an outer layer 201 and an inner layer 202. The outer layer 201 is suitable for wrapping around the periphery of the inner layer 202 and the size of the cross-section of the outer layer 201 is larger than the size of the cross-section of the inner layer 202. The inner layer 202 is provided with an installation part 203 suitable for containing magnets, and the installation part 203 is located inside the inner layer 202.

[0050] Compared with the prior art, the double-layer one-time edge-sealing structure can install the magnets inside the side cloth, and make the outer layer 201 side cloth completely wrap the inner layer 202 side cloth. There is a gap reserved between the inner layer 202 side cloth and the outer layer 201 side cloth. When sewing or welding, the double-layer edge-sealing will not wrinkle. When the magnets are adsorbed, the outer layer 201 side cloth can be abutted and expanded, thus eliminating the phenomenon of screen door leakage.

[0051] Preferably, a separation area 204 is provided between the outer layer 201 and the inner layer 202. The separation area 204 is adapted for the inner layer 202 to be concave and folded inside the outer layer 201. The perimeter of the outer layer 201 is about 1 to 1.5 times the perimeter of the inner layer 202. The outer surfaces of the side cloth two 300 and the side cloth three 400 are both rough surfaces. The inner layer 202 and the outer layer 201 are accurately separated by the separation area 204. When the inner layer 202 is concave and folded, the inner and outer layer 201 structures are accurately separated with the separation area 204 as the separation line. Preferably, the toughness of the side cloth of the inner layer 202 is greater than that of the side cloth of the outer layer 201, ensuring that the side cloth of the outer layer 201 can obtain a water droplet-shaped structure after sewing or welding with the wire mesh 100, eliminating the problem of wrinkles in the side cloth of the outer layer 201 caused by the presence of internal magnets.

[0052] Preferably, an arched support 401 is installed inside the side cloth three 400. Both ends of the arched support 401 are respectively inserted with connecting sleeves 402, and the connecting sleeves 402 are arranged at the inner ends of the side cloth three 400. A suspension member 403 is installed in the middle of the arched support 401. The arched support 401 is connected to the top of the corresponding side cloth one 200 through the suspension member 403.

[0053] Preferably, the suspension member 403 is of a W-shaped or M-shaped structure. In one case: when it is of a W-shaped structure, the three connecting ends at the top are installed on the arched support 401, and the two connecting ends at the bottom are installed on the top of the corresponding side cloth one 200. In another case: when it is of an M-shaped structure, the middle connecting end among the three connecting ends at the bottom is installed at the junction of the two side cloths one 200, and the remaining connecting ends are installed on the side of the side cloth one 200 away from the junction. The two connecting ends at the top are both installed on the arched support 401.

[0054] Compared with the existing screen door structure, in this solution, the top of the side cloth one 200 is suspended and pulled by the arched support 401 through the suspension member 403, avoiding the sagging of the side cloth at the middle part of the screen door with magnets after being used for a period of time. The main reasons for the sagging are: the sagging of the side cloth at this place is caused by the presence of magnets, and the connection seam is distorted and deformed; in addition, the middle side cloth is the part where people often pass through, and opening the channel seam in the middle of the screen door requires breaking the adsorption force between the magnets, which leads to the sagging of the middle part of the screen door. The sagging causes the wire mesh 100 to be distorted, and the distortion of the wire mesh 100 easily causes the corresponding two magnets to be vertically misaligned, and the vertical misalignment causes gaps, affecting the anti-mosquito effect of the screen door.

[0055] The production process of the leak-proof magnetic screen door is as follows:

[0056] Step 1: Online fixed-length cutting of the wire mesh 100 and the side cloth one 200: One end of the wire mesh 100 and the side cloth one 200 is trimmed and fed according to the design size requirements, and the wire mesh 100 and the side cloth one 200 are conveyed together by a cutting device and subjected to fixed-length cutting;

[0057] Step 2: Modification of Side Cloth 1 200: At the inner layer 202 of the side cloth 1 200 after fixed-length cutting, the corresponding installation parts 203 are bonded or sewn in a linear array;

[0058] Step 3: Magnet Assembly of Side Cloth 1 200: Install the magnets in the corresponding installation parts 203, and initially fold the inner layer 202 concavely into the outer layer 201 internally with the partition area 204;

[0059] Step 4: Assembly of Screen Door Blank: Sew or weld the cut side cloth 1 200 and side cloth 2 300 in sequence according to the order of first the side part and then the bottom part. The side cloth 2 300 located at the side part is cut together with the side cloth 1 200;

[0060] Step 5: Assembly of Finished Screen Door: When assembling the side cloth 3 400 and the screen mesh 100, first process connection sleeves 402 at the inner sides of both ends of the side cloth 3 400. Top the top of the arched support 401 against the inner top of the side cloth 3 400, and insert the ends into the connection sleeves 402. Connect the top of the arched support 401 and the side cloth 1 200 through the suspension piece 403 to ensure that the suspension piece 403 is in a taut state. Finally, sew or weld the side cloth 3 400 to the tops of the side cloth 1 200, side cloth 2 300, and screen mesh 100. The outer layers 201 of the two side cloth 1 200 after assembly are both concavely arranged and in close contact. The concave part of the outer layer 201 is the connection part of the suspension piece 403.

[0061] The cutting device includes a clamping and cutting assembly 10 and a clamping and cutting assembly 20 that move synchronously and continuously convey the screen mesh and the side cloth online;

[0062] Both the clamping and cutting assembly 10 and the clamping and cutting assembly 20 include a conveying part 30 and a clamping part 40 installed on the conveying part 30. Two flexible clamping pieces 41 are installed on the clamping part 40, and the two flexible clamping pieces 41 are suitable for flexibly clamping the screen mesh and the side cloth. A compensating piece 11 is installed on the clamping and cutting assembly 10, and a cutting piece 21 corresponding to the position of the compensating piece 11 is installed on the clamping and cutting assembly 20. The compensating piece 11 is suitable for externally jacking and tensioning the screen mesh and the side cloth clamped by the two flexible clamping pieces 41. The cutting piece 21 is suitable for online cutting of the screen mesh and the side cloth externally jacked and tensioned at the compensating piece 11.

[0063] The screen mesh is clamped and fixed by two flexible clamping members 41 on the corresponding clamping parts 40 of the clamping and cutting assembly one 10 and the clamping and cutting assembly two 20. While the clamped screen meshes are moved closer to each other, the screen meshes clamped on two adjacent clamping parts 40 on the clamping and cutting assembly can also be tensioned and flattened. After the clamped screen meshes are moved closer to each other, wrinkles will appear. At this time, the compensating member 11 between the two flexible clamping members 41 will push the screen mesh at this place outwards and tension it. Finally, the cutting member will accurately cut the tensioned screen mesh at the compensating member 11 during the conveying process. The conveying part 30 will use it as the power source for the clamping and conveying assembly to convey the screen mesh.

[0064] The following improvements are made to the above cutting equipment solution: the two flexible clamping members 41 are symmetrically arranged. The flexible clamping member 41 includes a rotating rod 411 fixedly installed on the clamping part 40. A first torsion spring 412 is installed at the rotation node of the rotating rod 411 and the clamping part 40. The free end of the rotating rod 411 is rotatably installed with a clamping body 413. Both clamping bodies 413 are clamping rollers. A one-way rotation structure 415 is connected between both clamping bodies 413 and the corresponding rotating rod 411.

[0065] The rotating rod 411 and the clamping part 40 adopt the first torsion spring 412, which can ensure that after the clamping bodies 413 on the corresponding two rotating rods 411 on the clamping and cutting assembly one 10 and the clamping and cutting assembly two 20 clamp the screen mesh, they will gradually move closer to the middle of the clamping part 40 to gather the screen mesh, and then gradually tension and flatten the screen mesh jointly clamped by the clamping part 40 at this place and the previous group of clamping parts 40. The one-way rotation structure 415 adopts a ratchet and pawl one-way transmission structure, so that when the compensating member 11 pushes outwards the part of the screen mesh that clamps and then contracts and closes, it can only move in one direction towards the middle of the clamping part 40, and will not loosen even after the cutting is completed.

[0066] Among them, the above compensation member 11 adopts the following solution: The compensation member 11 includes a first vertical guide groove 111 disposed on the clamping portion 40 of the first clamping and cutting assembly 10 and a first wedge block 112 disposed on the frame of the conveying portion 30. A first guide rod 113 is installed inside the first vertical guide groove 111 and one end portion of the first guide rod 113 is exposed outside the clamping portion 40. A first connecting rod 114 vertically slidably inserted into the inner side of the clamping portion 40 is fixed on the first guide rod 113. A first return spring 115 is sleeved outside the first connecting rod 114. The bottom of the first return spring 115 abuts against the inner side of the clamping portion 40. The bottom end portion of the first connecting rod 114 is exposed outside the clamping portion 40 and is located between the two flexible clamping members 41. A pressing rod 116 is fixedly installed at the bottom of the first connecting rod 114 (elastic telescopic rod). A cutting slit 117 is installed on the pressing rod 116. After cutting, since the first connecting rod 114 is an elastic telescopic rod, it will inevitably lose the reaction force received when the screen is tensioned. Furthermore, when the first connecting rod 114 resets, it will also have a tendency to move the pressing rod 116 closer to the cutting member 21 under the action of its own elastic member. When one end portion of the first guide rod 113 contacts the first wedge block 112, it will gradually compress the first return spring 115 along the first vertical guide groove 111 toward the side close to the cutting member 21. The first connecting rod 114 will gradually push the screen outwards so that the screen is in a tight state. At this time, the cutting quality is the best. After cutting, the first guide rod 113 will disengage from the first wedge block 112 and will quickly reset under the action of the first return spring 115.

[0067] The cutting member 21 includes a vertical guide groove 211 disposed on the clamping portion 40 of the clamping and cutting assembly two 20 and a wedge block 212 disposed on the frame of the conveying portion 30. A guide rod 213 is installed inside the vertical guide groove 211, and one end of the guide rod 213 is partially exposed outside the clamping portion 40. A connecting rod 214 vertically slidably inserted into the inner side of the clamping portion 40 is fixed on the guide rod 213. A return spring 215 is sleeved outside the connecting rod 214, and the bottom of the return spring 215 abuts against the inner side of the clamping portion 40. The top end portion of the connecting rod 214 is exposed outside the clamping portion 40 and is located between the two flexible clamping members 41. A cutter 216 is fixedly installed at the top of the connecting rod 214. Under the action of the conveying portion 30, the guide rod 213 will contact the wedge block 212 and gradually compress the return spring 215 along the vertical guide groove 211, forcing the cutter 216 to move toward the cutting seam 117 side to cut the tensioned wire mesh. After cutting, the guide rod 213 will disengage from the wedge block 212 and quickly reset under the action of the return spring 215. The cutter 216 can be replaced by an electric heating wire. Since the electric heating wire will quickly reset under the action of the return spring 215, it is possible to avoid the electric heating wire and the cut electric heating wire from contacting again as much as possible, eliminating the influence on the cutting quality of the cutting seam. Before the cutter 216 moves when the guide rod 213 contacts the wedge block 212, the pressing rod 116 reaches the maximum stroke after the guide rod 113 contacts the wedge block 112. The cutter 216 will reset 0.1 - 0.5 s before the pressing rod 116 resets. The side walls of the wedge block 112 and the wedge block 212 away from the upper net end are 0.1 - 0.3 mm behind in the vertical direction.

[0068] The conveying portion 30 includes two parallel conveyor belts, and the clamping portion 40 includes a connecting plate longitudinally installed on the two conveyor belts. The assembly structure of the conveyor belt and the connecting plate can ensure the synchronous movement of the clamping and cutting assembly one 10 and the clamping and cutting assembly two 20. The clamping portion 40 is a plate member longitudinally installed on the two conveyor belts.

[0069] The process of the cutting device cutting the wire mesh and the edge cloth is as follows:

[0070] S100: Cut and trim one end of the screen mesh and the first edge fabric according to the design size requirements and load the materials. Install a pair of rollers at the loading end of the cutting equipment. The pair of rollers maintain a certain resistance at the loading end to ensure that the loaded screen mesh and the first edge fabric do not show obvious curling / bending changes during the loading process. The first clamping and cutting assembly 10 and the second clamping and cutting assembly 20 clamp the screen mesh and the first edge fabric through two conveying parts 30 and convey them to the cutting station. The flexible clamping member 41 on the side close to the cutting station will first clamp the screen mesh and the first edge fabric and move them away from the cutting station. The screen mesh and the first edge fabric clamped by the flexible clamping member 41 on the side away from the cutting station of the previous clamping part 40 and the flexible clamping member 41 on the side close to the cutting station of the current clamping part 40 are tensioned and flattened in reverse online. Subsequently, the flexible clamping member 41 on the current side away from the cutting station will clamp the screen mesh and the first edge fabric again, cut off the screen mesh and the first edge fabric clamped by the flexible clamping member 41 on the side close to the cutting station, and at the same time, the flexible clamping member 41 on the current side away from the cutting station will push the screen mesh and the first edge fabric forward for feeding;

[0071] S200: After the screen mesh and the first edge fabric are clamped and conveyed to the cutting station, the positions of the first wedge block 112 and the second wedge block 212 correspond. The two will simultaneously act on the guide rod 113 to slide vertically along the first vertical guide groove 111 to compress the first return spring 115. Through the connecting rod 114, the pressing rod 116 is pushed outwards to press the screen mesh and the first edge fabric, and the guide rod 213 slides vertically along the second vertical guide groove 211 to compress the second return spring 215. Through the connecting rod 214, the cutter 216 is pushed outwards to accurately cut the screen mesh and the first edge fabric at the cutting seam 117. The screen mesh and the first edge fabric at this position are the screen mesh and the first edge fabric clamped between the flexible clamping member 41 on the side close to the cutting station and the flexible clamping member 41 on the side away from the cutting station in the two clamping parts 40 corresponding to the current position.

[0072] As described above, it is only the preferred specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. The substitution may be the substitution of some structures, devices, and method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution of the present invention and its inventive concept should be covered within the protection scope of the present invention.

Claims

1. A leak-proof magnetic screen door, comprising at least two screens (100) and edge seals installed around the screens (100), characterized in that, The edge sealing at least includes a first edge cloth (200) installed on the side of adjacent wire meshes (100), a second edge cloth (300) suitable for installation on the door frame and the bottom of the wire mesh (100), and a third edge cloth (400) suitable for installation on the top of the wire mesh (100) and connecting the wire meshes (100) in series. The first edge cloth (200) includes an outer layer (201) and an inner layer (202). The outer layer (201) is suitable for wrapping around the periphery of the inner layer (202), and the size of the cross-section of the outer layer (201) is larger than that of the cross-section of the inner layer (202). An installation part (203) suitable for holding magnets is arranged on the inner layer (202), and the installation part (203) is located inside the inner layer (202). An arched support (401) is installed inside the third edge cloth (400). Connecting sleeves (402) are respectively inserted at both ends of the arched support (401), and the connecting sleeves (402) are arranged at the inner ends of the third edge cloth (400). A suspension member (403) is installed in the middle of the arched support (401), and the arched support (401) is connected to the top of the corresponding first edge cloth (200) through the suspension member (403).

2. The magnetic screen door for leak prevention according to claim 1, characterized in that, A separation area (204) is provided between the outer layer (201) and the inner layer (202). The separation area (204) is suitable for the inner layer (202) to be concave and folded inside the outer layer (201). The perimeter of the outer layer (201) is 1 to 1.5 times the perimeter of the inner layer (202). The outer surfaces of the second edge cloth (300) and the third edge cloth (400) are both matte surfaces.

3. The anti-leakage magnetic screen door according to claim 2, characterized in that, The suspension member (403) is of a W-shaped or M-shaped structure. When it is of a W-shaped structure, the three connecting ends at the top are installed on the arched support (401), and the two connecting ends at the bottom are installed on the top of the corresponding first edge cloth (200). When it is of an M-shaped structure, the middle connecting end among the three connecting ends at the bottom is installed at the joint of the two first edge cloths (200), and the remaining connecting ends are installed on the side of the first edge cloth (200) away from the joint. The two connecting ends at the top are both installed on the arched support (401).

4. A production process of the leak-proof magnetic screen door as described in claim 3, characterized in that, The production steps are as follows: Step 1: Online fixed-length cutting of the wire mesh (100) and the first edge cloth (200): One end of the wire mesh (100) and the first edge cloth (200) is trimmed and fed according to the design size requirements, and a cutting device is used to convey the wire mesh (100) and the first edge cloth (200) together for fixed-length cutting; Step 2: Modification of the first edge cloth (200): The corresponding installation parts (203) are bonded or sewn on the inner layer (202) of the first edge cloth (200) after fixed-length cutting in a linear array; Step 3: Magnet assembly of the first edge cloth (200): Magnets are installed in the corresponding installation parts (203), and initially, the inner layer (202) is concavely folded inside the outer layer (201) with the separation area (204); Step 4: Assembly of the screen door blank: The cut first edge cloth (200) and the second edge cloth (300) are sewn or welded in sequence according to the order of the side part first and then the bottom part. The second edge cloth (300) located on the side part is cut together with the first edge cloth (200). Step Five: Assembly of the finished screen door: When assembling the side cloth three (400) and the screen mesh (100), first process connection sleeves (402) on the inner sides of both ends of the side cloth three (400). Top support the top of the arched support member (401) against the inner top of the side cloth three (400), and insert the ends into the connection sleeves (402). Connect the top of the arched support member (401) and the side cloth one (200) through a suspension member (403), ensuring that the suspension member (403) is in a taut state. Finally, sew or weld the side cloth three (400) to the tops of the side cloth one (200), side cloth two (300), and the screen mesh (100). The outer layers (201) of the two assembled side cloth ones (200) are both concave and in close contact. The concave part of the outer layer (201) is the connection part of the suspension member (403).

5. The production process of the leak-proof magnetic screen door according to claim 4, characterized in that, The cutting device includes a clamping and cutting assembly one (10) and a clamping and cutting assembly two (20) that move synchronously and continuously convey the screen mesh and the side cloth one online; Both the clamping and cutting assembly one (10) and the clamping and cutting assembly two (20) include a conveying part (30) and a clamping part (40) installed on the conveying part (30). Two flexible clamping members (41) are installed on the clamping part (40). The two flexible clamping members (41) are suitable for flexibly clamping the screen mesh and the side cloth one; a compensating member (11) is installed on the clamping and cutting assembly one (10), and a cutting member (21) corresponding to the position of the compensating member (11) is installed on the clamping and cutting assembly two (20); The compensating member (11) is suitable for externally tensioning the screen mesh and the side cloth one clamped by the two flexible clamping members (41); The cutting member (21) is suitable for cutting the screen mesh and the side cloth one externally tensioned at the compensating member (11) online.

6. The production process of the leak-proof magnetic screen door according to claim 5, characterized in that, The two flexible clamping members (41) are symmetrically arranged. The flexible clamping member (41) includes a rotating rod (411) fixedly installed on the clamping part (40). A torsion spring one (412) is installed at the rotation node of the rotating rod (411) and the clamping part (40). The free end of the rotating rod (411) is rotatably installed with a clamping body (413); Both of the two clamping bodies (413) are clamping rollers, and both of the two clamping bodies (413) and the corresponding rotating rods (411) are connected through a one-way rotation structure (415).

7. The production process of the leak-proof magnetic screen door according to claim 6, characterized in that, The compensating member (11) includes a first vertical guide groove (111) disposed on the clamping portion (40) of the first clamping and cutting assembly (10) and a first wedge block (112) disposed on the frame of the conveying portion (30). A first guide rod (113) is installed inside the first vertical guide groove (111), and one end portion of the first guide rod (113) is exposed outside the clamping portion (40). A first connecting rod (114) that vertically slides and is inserted into the inner side of the clamping portion (40) is fixed on the first guide rod (113). A first return spring (115) is sleeved outside the first connecting rod (114). The bottom of the first return spring (115) abuts against the inner side of the clamping portion (40). The bottom end portion of the first connecting rod (114) is exposed outside the clamping portion (40) and is located between two flexible clamping members (41). A pressing rod (116) is fixedly installed at the bottom of the first connecting rod (114). A cutting slit (117) is installed on the pressing rod (116). The first connecting rod (114) is an elastic telescopic rod; The cutting member (21) includes a second vertical guide groove (211) disposed on the clamping portion (40) of the second clamping and cutting assembly (20) and a second wedge block (212) disposed on the frame of the conveying portion (30). A second guide rod (213) is installed inside the second vertical guide groove (211), and one end portion of the second guide rod (213) is exposed outside the clamping portion (40). A second connecting rod (214) that vertically slides and is inserted into the inner side of the clamping portion (40) is fixed on the second guide rod (213). A second return spring (215) is sleeved outside the second connecting rod (214). The bottom of the second return spring (215) abuts against the inner side of the clamping portion (40). The top end portion of the second connecting rod (214) is exposed outside the clamping portion (40) and is located between two flexible clamping members (41). A cutter (216) is fixedly installed at the top of the second connecting rod (214).

8. The production process of the leak-proof magnetic screen door according to claim 7, characterized in that, The conveying portion (30) includes two parallel conveyor belts, and the clamping portion (40) includes a connecting plate longitudinally installed on the two conveyor belts.

9. The production process of the leak-proof magnetic screen door according to claim 8, characterized in that, The process of the cutting device cutting the screen mesh and the edge cloth is as follows: S100: Cut and trim one end of the screen mesh and the first edge fabric according to the design size requirements and load the materials. Install a pair of rollers at the loading end of the cutting equipment. The pair of rollers maintain a certain resistance at the loading end to ensure that the loaded screen mesh and the first edge fabric do not show obvious curling / bending changes during the loading process. The first clamping and cutting assembly (10) and the second clamping and cutting assembly (20) clamp the screen mesh and the first edge fabric through two conveying parts (30) and convey them to the cutting station. The flexible clamping member (41) on the side close to the cutting station will first clamp the screen mesh and the first edge fabric and move them away from the cutting station. The screen mesh and the first edge fabric clamped by the flexible clamping member (41) on the side far from the cutting station of the previous clamping part (40) and the flexible clamping member (41) on the side close to the cutting station of the current clamping part (40) are tensioned and flattened in the reverse direction online. Subsequently, the flexible clamping member (41) on the current side far from the cutting station will clamp the screen mesh and the first edge fabric again, disconnecting them from the screen mesh and the first edge fabric clamped by the flexible clamping member (41) on the side close to the cutting station. At the same time, the flexible clamping member (41) on the current side far from the cutting station will push the screen mesh and the first edge fabric forward for feeding; S200: After the screen mesh and the first edge fabric are clamped and conveyed to the cutting station, the positions of the first wedge block (112) and the second wedge block (212) correspond. The two will simultaneously act on the first guide rod (113) to slide vertically along the first vertical guide groove (111) to compress the first return spring (115). Through the first connecting rod (114), the pressing rod (116) is pushed outwards to press the screen mesh and the first edge fabric. The second guide rod (213) slides vertically along the second vertical guide groove (211) to compress the second return spring (215). Through the second connecting rod (214), the cutter (216) is pushed outwards to accurately cut the screen mesh and the first edge fabric at the cutting seam (117). The screen mesh and the first edge fabric at this position are the screen mesh and the first edge fabric clamped between the flexible clamping member (41) on the side close to the cutting station and the flexible clamping member (41) on the side far from the cutting station among the two clamping parts (40) corresponding to the current position.

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