CN115626519A - Filter cloth turn-ups folding type is equipped - Google Patents
Filter cloth turn-ups folding type is equipped Download PDFInfo
- Publication number
- CN115626519A CN115626519A CN202211307471.8A CN202211307471A CN115626519A CN 115626519 A CN115626519 A CN 115626519A CN 202211307471 A CN202211307471 A CN 202211307471A CN 115626519 A CN115626519 A CN 115626519A
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- filter cloth
- flanging
- roller
- folding
- moving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/06—Supporting web roll both-ends type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/0204—Sensing transverse register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/038—Controlling transverse register of web by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/174—Textile, fibre
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses filter cloth flanging and folding equipment which comprises filter cloth conveying equipment and an automatic flanging mechanism, wherein filter cloth is conveyed from the filter cloth conveying equipment to the automatic flanging mechanism for flanging, the automatic flanging mechanism comprises a guide plate, a pressing wheel and an elastic device, the guide plate is arranged above a bottom belt, the pressing wheel is connected to the elastic device, the pressing wheel is used for pressing the flanged filter cloth, and the elastic device can adjust the pressure of the pressing wheel through a spring tightness adjusting mechanism. The filter cloth flanging and folding device can effectively solve the problem of automatic flanging of the filter cloth and realize automatic S-bend forming of the filter cloth, so that the number of workers can be effectively saved; the filter cloth flanging and folding equipment can effectively improve the production efficiency by at least 30 percent and can effectively improve the good product efficiency by at least 20 percent, thereby realizing automatic continuous production.
Description
Technical Field
The invention relates to filter cloth flanging and folding equipment.
Background
The existing dewatering equipment has the following problems: firstly, in the cloth feeding process of the dewatering equipment, the upper and lower layers of filter cloth cannot be automatically flanged or cannot be automatically S-shaped; secondly, the cloth can not be automatically spread in the cloth collecting process of the existing dewatering equipment; thirdly, in the production process of the existing dewatering equipment, 2 persons are required to cooperate to produce the dewatering equipment.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide filter cloth flanging and folding equipment.
The invention is realized by the following technical scheme: the utility model provides a filter cloth turn-ups folding type is equipped, includes filter cloth conveying equipment and automatic turn-ups mechanism, and the filter cloth is followed filter cloth conveying equipment conveys to automatic turn-ups mechanism carries out the turn-ups, wherein, automatic turn-ups mechanism includes deflector, pinch roller and resilient means, the deflector is installed in the under band top, the pinch roller is connected to resilient means, the pinch roller is used for carrying out the blank pressing to turn-ups filter cloth, resilient means can be right through spring elasticity adjustment mechanism the pressure of pinch roller is adjusted.
Preferably, the guide plate is installed at a position 4-8 mm above the bottom belt.
Preferably, the filter cloth passes through the lower part of the guide plate, and both sides of the filter cloth are respectively folded towards the middle position by 100-120 mm.
Preferably, the filter cloth conveying equipment comprises a filter cloth conveying rack, and an upper conveying mechanism and a lower conveying mechanism which are respectively positioned at the upper layer and the lower layer of the filter cloth conveying rack, the upper conveying mechanism or the lower conveying mechanism comprises a filter cloth feeding and receiving mechanism, a deviation rectifying mechanism and a deviation rectifying induction mechanism, the deviation rectifying induction mechanism can sense the deviation of the position of the filter cloth, and one end of the deviation rectifying mechanism is connected to the moving mechanism to adjust the position of the filter cloth.
Preferably, the deviation correcting mechanism comprises a deviation correcting shaft, the deviation correcting shaft comprises a deviation correcting shaft fixing end and a deviation correcting shaft moving end, the deviation correcting shaft fixing end is fixed on the supporting rod, and the deviation correcting shaft moving end is installed on the moving mechanism.
Preferably, the moving mechanism comprises an electric cylinder, a moving rod and a guide rail, the moving rod is connected with the electric cylinder, and the moving rod can move up and down along the guide rail to drive the moving end of the deviation correcting shaft to move.
Preferably, the deviation rectifying induction mechanism comprises a filter cloth position left inductor and a filter cloth position right inductor, and the filter cloth position left inductor and the filter cloth position right inductor are respectively installed on the left side and the right side of the fixing rod.
Preferably, the bottom belt is arranged on the moving module, the moving module comprises a moving platform, the moving platform further comprises a roller motor, a first roller, a second roller and a third roller, wherein the roller motor, the first roller and the second roller are connected through synchronous belts, the first roller and one bottom belt shaft are connected through synchronous belts, and the third roller and the other bottom belt shaft are also connected through synchronous belts.
Preferably, the bending and folding robot comprises a hydraulic machine and an S bending and folding robot, the S bending and folding robot comprises a robot and an S bending and forming mechanism, the S bending and forming mechanism is connected with the robot, and two ends of the S bending and forming mechanism are respectively connected with the air cylinders; and a filter pressing barrel is arranged below the hydraulic press, and the filter cloth is arranged in the filter pressing barrel in an S-shaped forming manner.
Preferably, the moving module further comprises a cloth spreading mechanism, the cloth spreading mechanism comprises a cloth spreading brush arranged above the bottom belt, and the cloth spreading brush can automatically spread the turned-over filter cloth in the cloth laying process.
The filter cloth flanging and folding device can effectively solve the problem of automatic flanging of the filter cloth and can also realize automatic S-bend forming of the filter cloth, so that the number of operators can be effectively saved; the filter cloth flanging and folding equipment can effectively improve the production efficiency by at least 30 percent and can effectively improve the good product efficiency by at least 20 percent, thereby realizing automatic continuous production.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of a mobile module according to the present invention.
Fig. 2 is a structural view of the filter cloth conveying apparatus of the present invention.
Fig. 3 is a structural diagram of the cooperation of the S bending folding robot and the moving module of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to the attached drawings 1 to 3 of the specification, the filter cloth flanging and folding equipment comprises a filter cloth conveying device 1, a moving module 2, a hydraulic machine 3 and an S bending and folding robot 4, wherein the filter cloth conveying device 1 conveys the filter cloth into the moving module 2 to be automatically flanged, and then the moving module 2, the hydraulic machine 3 and the S bending and folding robot 4 are matched with one another to realize automatic S bending and forming of the filter cloth.
Specifically, the filter cloth conveying equipment 1 comprises a filter cloth conveying rack 11, and an upper conveying mechanism 12 and a lower conveying mechanism 13 which are respectively positioned at the upper layer and the lower layer of the filter cloth conveying rack 11, wherein the upper conveying mechanism 12 comprises a filter cloth feeding and receiving mechanism 121, a balance weight rod 122, a deviation correcting mechanism 123 and a deviation correcting induction mechanism 124, the deviation correcting mechanism 123 comprises a deviation correcting shaft 1231, the deviation correcting shaft 1231 comprises a deviation correcting shaft fixing end 123a and a deviation correcting shaft moving end 123b, the deviation correcting shaft fixing end 123a is fixed on one of the supporting rods 111, and the supporting rod 111 is installed at the upper layer of the filter cloth conveying rack 11; the deviation correcting shaft moving end 123b is mounted on the moving mechanism 125, the moving mechanism 125 includes an electric cylinder 1251, a moving rod 1252 and a guide rail 1253, the guide rail 1253 is mounted on the other support rod 111, the moving rod 1252 is connected with the electric cylinder 1251 to move the moving rod 1252 up and down, and the moving rod 1252 can move up and down along the guide rail 1253 to move the deviation correcting shaft moving end 123b up and down. Further, the upper conveying mechanism 12 further comprises a rotating rod 126 for conveying the filter cloth, the rotating rod 126 is mounted on the filter cloth conveying rack 11 by using a mounting rod 112, the filter cloth passes through the deviation rectifying shaft 1231 from the upper side and then passes through the rotating rod 126, and in addition, a fixing rod 113 is transversely mounted between the two mounting rods 112; the deviation rectifying sensing mechanism 124 comprises a filter cloth position left sensor 1241 and a filter cloth position right sensor 1242, and the filter cloth position left sensor 1241 and the filter cloth position right sensor 1242 are respectively installed at the left and right sides of the fixing rod 113. Similarly, the lower conveying mechanism 13 is also provided similarly to the upper conveying mechanism 12, and will not be described again here.
The upper and lower layers of filter cloth wound on the filter cloth feeding and collecting mechanism are conveyed by a cloth feeding motor in a rotating mode, the filter cloth downwards penetrates through the counterweight rod and upwards bypasses the deviation correcting mechanism, then downwards penetrates through the deviation correcting induction mechanism, and the upper and lower layers of filter cloth penetrate through the rear end roller of the rack, so that the upper and lower layers of cloth are arranged in an overlapping mode. In the deviation rectifying process, when the filter cloth is located in the middle of the fixing rod, namely the filter cloth is located in the range of the left filter cloth position sensor and the right filter cloth position sensor, the filter cloth position is normal, the electric cylinder does not act, and the deviation rectifying shaft is kept in the middle. When the filter cloth is sensed by the filter cloth position left sensor, the filter cloth deviates to the left, and at the moment, the electric cylinder is controlled to move upwards, so that the left side of the deviation correcting shaft is higher than the right side bottom, the filter cloth can correct and move to the right side until the filter cloth is located at the middle position, and the electric cylinder is also kept at the middle position at the moment. Similarly, if the filter cloth is sensed by the filter cloth position right sensor, the electric cylinder moves downwards, so that the left side of the deviation correcting shaft is low, and the right side of the deviation correcting shaft is high, the filter cloth moves towards the left side in a correcting mode until the filter cloth is located at the normal position, and therefore the device can enable the filter cloth to be located at the middle position all the time in the production process through the automatic deviation correcting structure.
The moving module 2 comprises a moving platform 21, and an automatic flanging mechanism 22 and a spreading mechanism 23 which are arranged on the moving platform 21, wherein the moving platform 21 comprises a roller motor 211, a bottom belt 212 and a plurality of rollers, and the bottom belt 212 can be a PVC belt or other bottom belts; the rollers comprise a first roller 213, a second roller 214 and a third roller 215, wherein the first roller motor 211, the first roller 213 and the second roller 214 are connected by a synchronous belt, the first roller 211 and one bottom belt shaft are connected by the synchronous belt, and the third roller 215 and the other bottom belt shaft are connected by the synchronous belt. The automatic flanging mechanism 22 comprises a guide plate 221, a pressing wheel 222 and an elastic device 223, the guide plate 221 is installed at a position 4-8 mm away from the upper side of the bottom belt 212, the double-layer filter cloth penetrates through the lower side of the guide plate 221, the elastic device 223 is installed on a frame, the pressing wheel 222 is connected to the elastic device 223, and the pressing wheel 222 is used for pressing the flanged filter cloth; the elastic device 223 comprises an elastic base 2231, a spring tightness adjusting mechanism 2232 and a spring mechanism 2233, wherein the spring tightness adjusting mechanism 2232 and the spring mechanism 2233 are both arranged on the elastic base 2231, the pressing wheel 222 and the spring mechanism 2233 are connected with each other, and the spring tightness adjusting mechanism 2232 can adjust the tightness of the spring mechanism 2233, so as to synchronously adjust the pressing wheel 222; the automatic flanging mechanism is arranged above the guide plate, 2 layers of filter cloth penetrate through the lower part of the guide plate, two sides of the filter cloth can be respectively folded to the middle position by about 100-120 mm, the flanged filter cloth can be pressed by the pressing wheel, and the pressure of the pressing wheel can be adjusted by using an elastic device. Further, the cloth spreading mechanism 23 comprises a cloth spreading brush 231 installed above the bottom belt, and in the cloth spreading process, the cloth spreading brush 231 can automatically spread the turned-over filter cloth, so that sludge on the filter cloth can be effectively brushed off.
Furthermore, the S bending and folding robot 4 includes a robot 41 and an S bending and forming mechanism 42, the S bending and forming mechanism 42 is connected to the robot 41, and air cylinders 43 are respectively connected to two ends of the S bending and forming mechanism 42, and the robot 41 is, for example, a six-axis robot; s buckle fold the robot can with remove module 2 and cooperate and carry out filter cloth S bending, concrete behavior is as follows: s, the folding robot 4 moves forwards to the position of the B point, and at the moment, the cylinder 43 extends out; the motor drives the moving module 2 to move, and the moving module 2 integrally moves forwards to the position of the A point; then, the cylinder 43 retracts, the S bending and folding robot 4 retracts to the middle position of the point C, and the cylinder 43 extends; then, the S bending and folding robot 4 continuously retreats to the position of the A point; the mobile module 2 retreats to the point B; the air cylinder 43 is retracted, after a certain time, for example, about 2 seconds, the air cylinder 43 is extended, the S-bend folding robot 4 moves to the position of the B point, and then the above steps are repeated, so that the filter cloth can be folded in the filter pressing barrel 40 layer by layer.
In the filter cloth flanging and folding equipment, the upper and lower layers of cloth of the filter cloth conveying equipment 1 are rotated by the cloth placing motor, respectively pass through the counterweight rod 122, upwardly pass through the deviation correcting mechanism 123 and downwardly pass through the deviation correcting induction mechanism 124, and pass through the rear end roller 216 of the frame, so that the upper and lower layers of filter cloth are overlapped together. The upper layer of filter cloth and the lower layer of filter cloth penetrate through a first roller 213 of the moving module, the lower layer of filter cloth is positioned on a bottom belt 212, the upper layer of filter cloth penetrates through a second roller 214 of the moving module, sludge is conveyed to the lower layer of filter cloth through a sludge outlet, the upper layer of filter cloth penetrates through the second roller 214 and is combined with the lower layer of filter cloth, the two layers of filter cloth are overlapped to form double-layer filter cloth, the double-layer filter cloth on the left side and the right side is flanged towards the middle by about 100-120 mm, and the double-layer filter cloth passes through a third roller 215 of the moving module and is conveyed to a filter pressing barrel 40 after passing through an automatic flanging mechanism 22; s, the folding robot 4 is matched with the moving module 2 to fold the filter cloth into an S shape, the filter cloth is placed in the filter pressing barrel 40, when the number of layers of the filter cloth reaches a set value, cloth feeding is stopped, the hydraulic rod moves downwards to squeeze and dewater sludge in the middle of the filter cloth, and when the dewatering time reaches the set time, the cloth placing motor rotates reversely to receive the cloth; in the process of collecting the cloth, the cloth spreading motor rotates to automatically spread the turnup filter cloth which is originally turned up to the middle by about 100-120 mm, and when the filter cloth is recovered, the sludge which is pressed to be dry in the double-layer filter cloth can automatically drop when the rear-end roller 216 is reached. The filter cloth flanging and folding device can effectively solve the problem of automatic flanging of the filter cloth and can also realize automatic S-bend forming of the filter cloth, so that the number of operators can be effectively saved; the filter cloth flanging and folding equipment can effectively improve the production efficiency by at least 30 percent and can effectively improve the good product efficiency by at least 20 percent, thereby realizing automatic continuous production.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a filter cloth turn-ups folding type equipment, its characterized in that, includes filter cloth conveying equipment and automatic turn-ups mechanism, and the filter cloth is followed filter cloth conveying equipment conveys to automatic turn-ups mechanism carries out the turn-ups, wherein, automatic turn-ups mechanism includes deflector, pinch roller and resilient means, the deflector is installed in the under band top, the pinch roller is connected to resilient means, the pinch roller is used for carrying out the blank pressing to turn-ups filter cloth, resilient means can be right through spring elasticity adjustment mechanism the pressure of pinch roller is adjusted.
2. The filter cloth flanging-folding apparatus as claimed in claim 1, wherein the guide plate is installed at a distance of 4-8 mm above the bottom band.
3. The filter cloth flanging-folding equipment according to claim 1, wherein the filter cloth passes through the lower part of the guide plate, and both sides of the filter cloth are respectively folded towards the middle position by 100-120 mm.
4. The filter cloth flanging-folding equipment of claim 1, wherein the filter cloth conveying equipment comprises a filter cloth conveying frame, and an upper conveying mechanism and a lower conveying mechanism which are respectively positioned at the upper layer and the lower layer of the filter cloth conveying frame, the upper conveying mechanism or the lower conveying mechanism comprises a filter cloth feeding and collecting mechanism, a deviation rectifying mechanism and a deviation rectifying induction mechanism, the deviation rectifying induction mechanism can sense the deviation of the position of the filter cloth, and one end of the deviation rectifying mechanism is connected to the moving mechanism to adjust the position of the filter cloth.
5. The filter cloth flanging folding equipment of claim 4, wherein the deviation correcting mechanism comprises a deviation correcting shaft, the deviation correcting shaft comprises a deviation correcting shaft fixing end and a deviation correcting shaft moving end, the deviation correcting shaft fixing end is fixed on the support rod, and the deviation correcting shaft moving end is installed on the moving mechanism.
6. The filter cloth flanging-folding equipment of claim 4, wherein the moving mechanism comprises an electric cylinder, a moving rod and a guide rail, the moving rod is connected with the electric cylinder, and the moving rod can move up and down along the guide rail to drive the moving end of the deviation correcting shaft to move.
7. The filter cloth flanging-folding type equipment of claim 4, wherein the deviation correcting sensing mechanism comprises a filter cloth position left sensor and a filter cloth position right sensor, and the filter cloth position left sensor and the filter cloth position right sensor are respectively arranged on the left side and the right side of the fixing rod.
8. The filter cloth flanging folding equipment according to claim 1, wherein the bottom belt is arranged on a moving module, the moving module comprises a moving platform, the moving platform further comprises a roller motor, a first roller, a second roller and a third roller, the first roller, the second roller and the third roller are connected through synchronous belts, the first roller and one bottom belt shaft are connected through the synchronous belts, and the third roller and the other bottom belt shaft are connected through the synchronous belts.
9. The filter cloth flanging and folding equipment according to claim 8, further comprising a hydraulic press and an S bending and folding robot, wherein the S bending and folding robot comprises a robot and an S bending and forming mechanism, the S bending and forming mechanism is connected with the robot, and two ends of the S bending and forming mechanism are respectively connected with a cylinder; and a filter pressing barrel is arranged below the hydraulic press, and the filter cloth is arranged in the filter pressing barrel in an S-shaped mode.
10. The filter cloth flanging and folding device of claim 8, wherein the moving module further comprises a spreading mechanism, the spreading mechanism comprises a spreading brush mounted above the bottom belt, and the spreading brush can automatically spread the flanging filter cloth during cloth laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211307471.8A CN115626519A (en) | 2022-10-25 | 2022-10-25 | Filter cloth turn-ups folding type is equipped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211307471.8A CN115626519A (en) | 2022-10-25 | 2022-10-25 | Filter cloth turn-ups folding type is equipped |
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| Publication Number | Publication Date |
|---|---|
| CN115626519A true CN115626519A (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211307471.8A Pending CN115626519A (en) | 2022-10-25 | 2022-10-25 | Filter cloth turn-ups folding type is equipped |
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| CN (1) | CN115626519A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443622A (en) * | 2023-04-23 | 2023-07-18 | 桐乡市振兴产业布制造有限公司 | Corner conveyor for sofa warp knitted cloth |
-
2022
- 2022-10-25 CN CN202211307471.8A patent/CN115626519A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443622A (en) * | 2023-04-23 | 2023-07-18 | 桐乡市振兴产业布制造有限公司 | Corner conveyor for sofa warp knitted cloth |
| CN116443622B (en) * | 2023-04-23 | 2024-03-29 | 东莞市法意家居有限公司 | Corner conveyor for sofa warp knitted cloth |
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