CN210190644U - Adjustable constant force screen cloth making devices - Google Patents
Adjustable constant force screen cloth making devices Download PDFInfo
- Publication number
- CN210190644U CN210190644U CN201920760720.6U CN201920760720U CN210190644U CN 210190644 U CN210190644 U CN 210190644U CN 201920760720 U CN201920760720 U CN 201920760720U CN 210190644 U CN210190644 U CN 210190644U
- Authority
- CN
- China
- Prior art keywords
- frame
- fixed
- rubber
- expansion shaft
- silk screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 10
- 239000006247 magnetic powder Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 12
- 230000000670 limiting effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 abstract description 2
- 230000018109 developmental process Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Abstract
The utility model relates to a screen cloth making devices technical field, concretely relates to adjustable constant force screen cloth making devices. Including the rack, the rack right side is fixed with the leading truck, and the leading truck right side is fixed with the vulcanizer, is provided with on the layer board of vulcanizer to the silk screen of butt fusion on the PP frame carry out longitudinal stretching's stretching device, and layer board upper end left side is fixed with the stopper that is used for fixing a position the PP frame, and the vulcanizer right side is fixed with the pull-out device. The utility model discloses, the lapping silk screen passes through the inflatable shaft, safety chuck and magnetic powder brake make the lapping silk screen realize the permanent tension developments and continuously export, realize the horizontal pretension of silk screen at the in-process of pulling silk screen, make the silk screen that is located between the rubber along with the deformation of rubber and by vertical take-up through extrusion rubber in the product manufacture process vertically, later carry out the hot melt, silk screen pretension has been realized to whole manufacture process, continuous production, and the production efficiency is improved, the pretension of the silk screen that also realizes simultaneously.
Description
Technical Field
The utility model relates to a screen cloth making devices technical field, concretely relates to adjustable constant force screen cloth making devices.
Background
At present, compared with the prior vibrating screen, the prior vibrating screen adopts an open-web frame structure, the screen is directly spot-welded on the frame through a pressure ring, and the vibrating screen is simple in structure, light in weight and good in working performance. However, when the screen is manufactured, the screen is loosened due to insufficient tightness of the screen, the usability is directly affected, and particularly after the screen is used for a period of time, the screen is loosened more seriously, so that the screen has to be frequently replaced in the using process, which is troublesome and increases the use cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that one kind can transversely and longitudinally stretch the silk screen that needs hot melt to the PP frame, makes the silk screen can keep at the adjustable constant force screen cloth making devices of tensioning condition at the in-process on hot melt to the PP frame.
In order to realize the purpose, the utility model provides a technical scheme is:
an adjustable constant force screen mesh manufacturing device comprises a net rack, wherein the net rack is sequentially provided with a first air expansion shaft, a second air expansion shaft and a third air expansion shaft from top to bottom, the net rack is provided with a first magnetic powder brake, a second magnetic powder brake and a third magnetic powder brake which are used for braking the moments of the first air expansion shaft, the second air expansion shaft and the third air expansion shaft, the right side of the net rack is fixedly provided with a guide frame, the guide frame is hinged with a first upper rubber roller and a second upper rubber roller, the right lower parts of the first upper rubber roller and the second upper rubber roller are provided with a first middle rubber roller and a second middle rubber roller, the right lower part of the second middle rubber roller is hinged with a lower rubber roller, the guide frame on the right side of the first middle rubber roller is hinged with a merging roller, the right side of the guide frame is fixedly provided with a vulcanizing machine, a supporting plate of the vulcanizing machine is provided with a stretching device which is used for longitudinally stretching a screen mesh welded on a PP frame, the left side of the upper end of the supporting plate, a pulling-out device is fixed on the right side of the vulcanizing machine,
the longitudinal stretching device comprises transverse stabilizing parts fixed on the front side and the rear side of the supporting plate, each stabilizing part comprises a straight part and a vertical part, the vertical part is fixed on one side of the straight part, which faces the center of the supporting plate, the straight part of each stabilizing part is fixedly connected with the supporting plate, bottom rubber, middle rubber and upper rubber are sequentially placed on the straight part of each stabilizing part from bottom to top, the total height of the bottom rubber, the middle rubber and the upper rubber is greater than the height of the PP frame,
the drawing device comprises a stretching frame, a top plate is fixed at the upper end of the stretching frame, a longitudinal movable plate is arranged on the top plate in a sliding mode, a plurality of left-end upwards-bent hook claws are uniformly distributed at the left end of the movable plate along the length direction, square pipes are arranged on the straight portions of the hook claws in a sliding mode, a Z-shaped rotating part is hinged to the front end and the rear end of the square-pipe-right-side movable plate, rollers are hinged to one end of the rotating part facing the vulcanizing machine, clamping jaws are symmetrically arranged on the front side and the rear side of the square-pipe-right-side movable plate, one end, far away from each other, of each clamping jaw is bent towards the direction of the square pipe, the middle of each clamping jaw is hinged to the movable plate, a longitudinal upper long hole is formed in one end, a transverse long hole is formed in the movable plate below the upper long hole, a bolt penetrates through the lower long hole and the upper long hole, a.
Specifically, the upper end face of the vertical part of the stabilizing part is an arc face.
Specifically, the upper end face of the upper layer rubber is provided with high-temperature cloth.
Specifically, the two ends of the first air expansion shaft, the second air expansion shaft and the third air expansion shaft are connected with the net rack through the safety chucks.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the advantages of simple structure, and convenient operation, need not to cut out the wire mesh into the net piece of suitable size in advance and carry out the butt fusion in proper order again, the lapping silk screen passes through the inflatable shaft, safety chuck and magnetic powder brake make the lapping silk screen realize the permanent tension developments and continuously export, realize the horizontal pretension of silk screen at the in-process of pulling silk screen, make the silk screen that is located between the rubber along with the deformation of rubber by vertical take-up through extrusion rubber in the product manufacturing process, later carry out the hot melt, only need during the hot melt last to last place the PP frame in the hot melt region can, treat that the hot melt is accomplished, pull out the good product of hot melt through pulling out the device, whole manufacturing process has realized the silk screen pretension, continuous production, the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the longitudinal stretching device during operation.
Fig. 3 is an enlarged view of the area a in fig. 2.
Fig. 4 is a schematic view showing a structure in which a bottom net, a middle net and a surface net are arranged on a wire frame.
Fig. 5 is a schematic structural view of the hook claw and the square tube.
Detailed Description
As shown in fig. 1-5, an adjustable constant force screen mesh making device comprises a net rack 25, the net rack 25 is sequentially provided with a first inflatable shaft 4, a second inflatable shaft 5 and a third inflatable shaft 6 from top to bottom, two ends of the first inflatable shaft 4, the second inflatable shaft 5 and the third inflatable shaft 6 are all connected with the net rack 25 through a safety chuck 7, the net rack 25 is provided with a first magnetic powder brake 1, a second magnetic powder brake 2 and a third magnetic powder brake 3 for braking torques of the first inflatable shaft 4, the second inflatable shaft 5 and the third inflatable shaft 6, a guide frame 37 is fixed on the right side of the net rack 25, the guide frame 37 is hinged with a first upper rubber roller 8 and a second upper rubber roller 9, a first middle rubber roller 10 and a second middle rubber roller 11 are arranged on the right side below the first upper rubber roller 8 and the second upper rubber roller 9, a lower rubber roller 12 is hinged on the right side below the second middle rubber roller 11, the merging roller 13 is hinged to the guide frame 37 on the right side of the first middle rubber roller 10, the vulcanizing machine 14 is fixed on the right side of the guide frame 37, a stretching device for longitudinally stretching a silk screen welded on the PP frame 35 is arranged on the supporting plate 33 of the vulcanizing machine 14, the limiting block 26 for positioning the PP frame 35 is fixed on the left side of the upper end of the supporting plate 33, and the pulling device is fixed on the right side of the vulcanizing machine 14.
Vertical stretching device is including fixing the horizontal stabilizing member 27 of both sides around the layer board 33, and stabilizing member 27 is including straight portion and vertical part, and the vertical part is fixed in straight portion towards one side at layer board 33 center, the up end of 27 vertical parts of stabilizing member is the cambered surface, and straight portion and layer board 33 fixed connection of stabilizing member 27 have placed bottom rubber 28, middle level rubber 29 and upper rubber 30 in proper order in straight portion from the bottom up of stabilizing member 27, and bottom rubber 28, middle level rubber 29 and upper rubber 30's overall height is greater than the height of PP frame 35, be provided with high temperature cloth 36 on upper rubber 30's the up end.
The drawing device comprises a drawing frame 15, a top plate is fixed at the upper end of the drawing frame 15, a longitudinal movable plate 17 is arranged on the top plate in a sliding manner, a plurality of hook claws 18 with the left ends bent upwards are uniformly distributed and fixed at the left end of the movable plate 17 along the length direction, square tubes 19 are arranged on the straight parts of the hook claws 18 in a sliding manner, Z-shaped rotating pieces 23 are hinged at the front and rear ends of the movable plate 17 on the right side of the square tubes 19, rollers 24 are hinged at one ends of the rotating pieces 23 facing the vulcanizing machine 14, clamping jaws 20 are symmetrically arranged at the front and rear sides of the movable plate 17 on the right side of the square tubes 19, the ends, far away from each other, of the two clamping jaws 20 are bent towards the direction of the square tubes 19, the middle parts of the clamping jaws 20 are hinged with the movable plate 17, longitudinal upper long holes 21 are arranged at the opposite ends of the two clamping jaws 20, transverse, a telescopic cylinder 16 is fixed on the stretching frame 15, and a telescopic rod of the telescopic cylinder 16 is connected with a bolt which passes through the lower long hole 22 and the upper long hole 21 through an inverted U-shaped frame.
When the pneumatic roller combination device is used, the first pneumatic expansion shaft 4, the second pneumatic expansion shaft 5 and the third pneumatic expansion shaft 6 are taken down from the net rack 25 by pulling the safety chuck 7, the roller wound with the surface net 31 is sleeved on the first pneumatic expansion shaft 4, the roller wound with the middle net 32 is sleeved on the second pneumatic expansion shaft 5, the roller wound with the bottom net 38 is sleeved on the third pneumatic expansion shaft 6, then the first pneumatic expansion shaft 4, the second pneumatic expansion shaft 5 and the third pneumatic expansion shaft 6 are installed on the net rack 25 again, one end of the bottom net 38 sequentially bypasses the lower rubber roller 12 and the combination roller 13, one end of the middle net sequentially bypasses the second upper rubber roller 9, the second middle rubber roller 11 and the combination roller 13, one end of the surface net 31 sequentially bypasses the first upper rubber roller 8, the first middle rubber roller 10 and the combination roller 13, and the surface net 31, the middle net 32 and the bottom net 38 are stacked after passing through the combination roller 13.
The first magnetic powder brake 1, the second magnetic powder brake 2 and the third magnetic powder brake 3 are electrified, the first air expansion shaft 4, the second air expansion shaft 5 and the third air expansion shaft 6 work simultaneously, and the first air expansion shaft 4, the second air expansion shaft 5 and the third air expansion shaft 6 tightly support the roller wound with the surface net 31, the roller wound with the middle net 32 and the roller wound with the bottom net 38.
When the first screen is processed, the PP frame 35 is placed on the supporting plate 33 of the vulcanizing machine 14 on the right side of the limiting block 26, the PP frame 35 is enabled to abut against the limiting block 26, the laminated surface net 31, middle net 32 and bottom net 38 are pulled through the vulcanizing machine 14, the part of the bottom net 38 below the heating plate 34 of the vulcanizing machine 14 is in contact with the upper end face of the PP frame 35, because the first magnetic powder brake 1, the second magnetic powder brake 2 and the third magnetic powder brake 3 enable the first air expansion shaft 4, the second air expansion shaft 5 and the third air expansion shaft 6 to generate rotation resistance, when the laminated surface net 31, middle net 32 and bottom net 38 are pulled, the surface net 31, middle net 32 and bottom net 38 are tightened in the transverse direction, the tension of the surface net 31, middle net 32 and bottom net 38 in the transverse direction is kept, the front and rear ends of the middle net 32 are positioned between the bottom layer rubber 28 and the middle layer rubber 29 of the longitudinal stretching device on one side, and the front and rear ends of the surface net 31 are positioned between the upper layer rubber 30 and the middle layer rubber layer 29 of the, so that the heating plate 34 of the vulcanizer 14 is lowered, the bottom layer rubber 28, the middle layer rubber 29 and the upper layer rubber 30 are pressed against and compressed by the heating plate 34, the front and rear sides of the middle net 32 and the surface net 31 are moved in the directions below the front side and below the rear side of the PP frame 35, respectively, at this time, the surface net 31 and the middle net 32 are longitudinally stretched, the heating plate 34 makes the bottom net 38, the middle net 32 and the surface net 31 tightly abut against the PP frame 35 and thermally fuses the bottom net 38, the middle net 32 and the surface net 31 on the PP frame 35, after the heating plate 34 is lifted and reduced, the upper layer rubber 30 and the middle layer rubber 29 are separated from the middle net 32 and the surface net 31, the vertical part of the stabilizing piece 27 can play a stabilizing role when the bottom layer rubber 28, the middle layer rubber 29 and the upper layer rubber 30 shrink, the bottom layer rubber 28, the middle layer rubber 29 and the upper layer rubber 30 are prevented from being inclined when shrinking, and meanwhile, the cambered surface at the upper end of the vertical part of the stabilizing piece 27 can prevent the middle net 32 from being scraped. The warp and weft yarns of the bottom web 38 are generally thick and relatively stiff in texture, thereby eliminating the need to apply tension to the bottom web 38.
Under the pulling force of the surface net 31, the middle net 32 and the bottom net 38, and under the limiting action of the limiting block 26, one end of the PP frame 35 of the hot-melting upper bottom net 38, the middle net 32 and the surface net 31, which faces to the pulling-out device, can be tilted upwards, the rotating member 23 is rotated, so that the roller 24 is positioned on the right side of the square pipe 19, then the telescopic cylinder 16 is started, so that the telescopic rod of the telescopic cylinder 16 is extended, after the extension of the telescopic rod of the telescopic cylinder 16 is completed, the hook claw 18 is positioned below the gap between the PP frame 35 frame and the reinforcing rib thereof, then the upward tilted end of the PP frame 35 is pressed downwards, so that the bent part of the hook claw 18 is positioned in the gap between the PP frame 35 frame and the reinforcing rib thereof, then the rotating member 23 is rotated, so that the roller 24 on the rotating member 23 is positioned above the PP frame 35, so as to prevent one end of the PP frame 35 from tilting again, then the telescopic cylinder 16 is started to retract the, the bolt penetrating through the upper long hole 21 and the lower long hole 22 moves towards the right side in the lower long hole 22, one ends, opposite to the clamping jaws 20, of the two clamping jaws 20 incline towards the right side, one ends, far away from each other, of the two clamping jaws 20 tightly abut against the PP frame 35 through the square pipe 19, and the stability of the PP frame 35 is effectively guaranteed in the stretching process.
After the PP frame 35 with the bottom net 38, the middle net 32 and the surface net 31 thermally fused is pulled out of the vulcanizer 14, another PP frame 35 is placed on the supporting plate 33, the longitudinal stretching action of the surface net 31 and the middle net 32 is repeated, the bottom net 38, the middle net 32 and the surface net 31 are thermally fused on the PP frame 35 below the heating plate 34, then the bottom net 38, the middle net 32 and the surface net 31 are cut off, the PP frame 35 which is processed for the first time is taken down, so that the pulling device pulls out the PP frame 35 in the vulcanizer 14, and the continuous processing can be realized by circulating the steps.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. An adjustable constant-force screen mesh manufacturing device comprises a net rack (25) and is characterized in that the net rack (25) is sequentially provided with a first air expansion shaft (4), a second air expansion shaft (5) and a third air expansion shaft (6) from top to bottom, a first magnetic powder brake (1), a second magnetic powder brake (2) and a third magnetic powder brake (3) which are used for braking torques of the first air expansion shaft (4), the second air expansion shaft (5) and the third air expansion shaft (6) are installed on the net rack (25), a guide frame (37) is fixed on the right side of the net rack (25), a first upper rubber roller (8) and a second upper rubber roller (9) are hinged on the guide frame (37), a first middle rubber roller (10) and a second middle rubber roller (11) are arranged on the right lower side of the first upper rubber roller (8) and the second upper rubber roller (9), a lower rubber roller (12) is hinged on the right lower side of the second middle rubber roller (11), a merging roller (13) is hinged on a guide frame (37) on the right side of the first middle rubber roller (10), a vulcanizing machine (14) is fixed on the right side of the guide frame (37), a supporting plate (33) of the vulcanizing machine (14) is provided with a stretching device for longitudinally stretching a silk screen welded on a PP frame (35), a limiting block (26) for positioning the PP frame (35) is fixed on the left side of the upper end of the supporting plate (33), a pulling-out device is fixed on the right side of the vulcanizing machine (14),
the longitudinal stretching device comprises transverse stabilizing pieces (27) fixed on the front side and the rear side of a supporting plate (33), each stabilizing piece (27) comprises a straight portion and a vertical portion, the vertical portion is fixed on one side of the straight portion, facing the center of the supporting plate (33), of the supporting plate, the straight portion of each stabilizing piece (27) is fixedly connected with the supporting plate (33), bottom rubber (28), middle rubber (29) and upper rubber (30) are sequentially placed on the straight portion of each stabilizing piece (27) from bottom to top, the total height of the bottom rubber (28), the middle rubber (29) and the upper rubber (30) is greater than the height of a PP frame (35),
the drawing device comprises a drawing frame (15), a top plate is fixed at the upper end of the drawing frame (15), a longitudinal movable plate (17) is arranged on the top plate in a sliding mode, a plurality of left-end upwards-bent hook claws (18) are uniformly distributed and fixed at the left end of the movable plate (17) along the length direction, a square pipe (19) is arranged on the straight part of the hook claws (18) in a sliding mode, Z-shaped rotating pieces (23) are hinged to the front end and the rear end of the right-side movable plate (17) of the square pipe (19), rollers (24) are hinged to one end of each rotating piece (23) facing the vulcanizing machine (14), clamping claws (20) are symmetrically arranged on the front side and the rear side of the right-side movable plate (17) of the square pipe (19), one end, far away from each other, of each clamping claw (20) is bent towards the direction of the square pipe (19), the middle of each clamping claw (20) is hinged to the movable, a movable plate (17) below the upper long hole (21) is provided with a transverse lower long hole (22), a bolt penetrates through the lower long hole (22) and the upper long hole (21), a telescopic cylinder (16) is fixed on the stretching frame (15), and a telescopic rod of the telescopic cylinder (16) is connected with the bolt penetrating through the lower long hole (22) and the upper long hole (21) through an inverted U-shaped frame.
2. An adjustable constant force screen making apparatus as claimed in claim 1, wherein the upper end surface of the vertical portion of the stabilizing member (27) is a cambered surface.
3. The adjustable constant-force screen mesh manufacturing device as claimed in claim 1, wherein a high-temperature cloth (36) is arranged on the upper end face of the upper layer rubber (30).
4. The adjustable constant-force screen mesh manufacturing device according to claim 1, wherein two ends of the first air expansion shaft (4), the second air expansion shaft (5) and the third air expansion shaft (6) are connected with the screen frame (25) through a safety chuck (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920760720.6U CN210190644U (en) | 2019-05-24 | 2019-05-24 | Adjustable constant force screen cloth making devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920760720.6U CN210190644U (en) | 2019-05-24 | 2019-05-24 | Adjustable constant force screen cloth making devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210190644U true CN210190644U (en) | 2020-03-27 |
Family
ID=69875133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920760720.6U Withdrawn - After Issue CN210190644U (en) | 2019-05-24 | 2019-05-24 | Adjustable constant force screen cloth making devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210190644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126284A (en) * | 2019-05-24 | 2019-08-16 | 濮阳市中原锐实达石油设备有限公司 | A kind of adjustable constant force screen making device and its application method |
-
2019
- 2019-05-24 CN CN201920760720.6U patent/CN210190644U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126284A (en) * | 2019-05-24 | 2019-08-16 | 濮阳市中原锐实达石油设备有限公司 | A kind of adjustable constant force screen making device and its application method |
| CN110126284B (en) * | 2019-05-24 | 2024-01-02 | 濮阳市中原锐实达石油设备有限公司 | Adjustable constant force screen manufacturing device and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112209136B (en) | Silk fabric processing preparation system | |
| CN210190644U (en) | Adjustable constant force screen cloth making devices | |
| CN207890765U (en) | A kind of efficiently establishment cloth cutting apparatus | |
| CN202862784U (en) | Integral mesh-pressing type mesh stretching machine | |
| CN110126284B (en) | Adjustable constant force screen manufacturing device and application method thereof | |
| CN212128618U (en) | Non-woven fabric cutting device capable of cutting different specifications | |
| CN218212394U (en) | Cloth quality detection equipment for flax textile production | |
| CN211148274U (en) | Clamping and stretching device for textile detection | |
| CN112478857A (en) | Coiling mechanism is used in textile production processing | |
| CN211199757U (en) | Non-woven fabrics processing flatten mechanism | |
| CN212748755U (en) | Flaw detection device for chemical fiber plush fabric for spinning | |
| CN213976349U (en) | Tricot machine feeding device | |
| CN212270454U (en) | Anti-static cotton yarn ironing device for textile production | |
| CN212611422U (en) | Heat setting stretching device for cloth production | |
| CN211256369U (en) | Stroke adjustable tentering device of forming machine | |
| CN217810082U (en) | Wrinkle removing device for textile fabric | |
| CN210940893U (en) | Net-opening machine | |
| CN218779177U (en) | Carbon cloth leveling device | |
| CN109110559B (en) | Cloth laying and pressing system | |
| CN210211421U (en) | Clamping and pulling device of screen hot melting equipment | |
| CN210190645U (en) | Silk screen stretching device of screen mesh hot melting equipment | |
| CN215448759U (en) | Weaving line tensile strength check out test set | |
| CN215051567U (en) | Cloth fusing device of miniature mesh | |
| CN213447659U (en) | Silk fabric automatic feed device | |
| CN214244931U (en) | Nylon-cotton fabric dyeing pretreatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200327 Effective date of abandoning: 20240102 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200327 Effective date of abandoning: 20240102 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |