CN216765424U - Surface sizing machine with improved glue supply mode - Google Patents
Surface sizing machine with improved glue supply mode Download PDFInfo
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- CN216765424U CN216765424U CN202123003722.7U CN202123003722U CN216765424U CN 216765424 U CN216765424 U CN 216765424U CN 202123003722 U CN202123003722 U CN 202123003722U CN 216765424 U CN216765424 U CN 216765424U
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Abstract
The utility model discloses a surface sizing machine for improving a glue supply mode, wherein a sizing roller comprises a cylindrical roller body, the inside of the roller body is hollow to form a glue storage chamber, the glue storage chamber is provided with a glue outlet, the periphery of the roller body is coated with a circle of filter screen, the periphery of the filter screen is coated with a circle of sizing layer, the axes of two side surfaces of the roller body are respectively provided with a transmission shaft and a glue supply shaft, the transmission shaft and the glue supply shaft are respectively and rotatably arranged on a rack, the end surface of the glue supply shaft is provided with a glue inlet, the glue inlet is communicated with the glue storage chamber, the glue inlet is connected with a glue inlet pipeline, and the glue inlet pipeline is provided with a control valve for adjusting the flow of glue solution. The glue solution penetrates into the gluing layer from inside to outside, the utilization rate of the glue solution is improved, no waste glue is generated, a waste glue recovery device does not need to be additionally arranged, the structure is simple, and the cost is low; no residual glue solution adheres to the surface sizing machine, the service life of the whole machine is prolonged, and the stability is high; the contact between the glue solution and the air is reduced, foreign matters such as dust are prevented from entering the glue solution, and the gluing quality is high.
Description
Technical Field
The utility model relates to the technical field of surface sizing machines, in particular to a surface sizing machine with an improved glue supply mode.
Background
In the paper making process, the emulsified glue solution is continuously, uniformly and stably coated on the surface of the paper by the surface sizing machine, a layer of extremely thin waterproof layer is formed on the surface of the paper, the water absorption of the paper is greatly improved, and meanwhile, the bonding strength between fibers and the tightness of the paper are improved under the action of the glue solution, so that the technical indexes of the paper, such as transverse ring crush index, longitudinal fracture length and the like, are improved. The traditional surface sizing machine sprays glue solution on a sizing roller through a spray head, or soaks the sizing roller in the glue solution, and then coats the surface of paper through the sizing roller, because the glue solution has certain viscosity, the diameter of a spray hole of the spray head is smaller, the glue spraying amount is reduced after long-time use, even the spray head is blocked, the glue solution is insufficiently coated, the gluing quality is influenced, and the glue solution is sprayed to the area outside the sizing roller by the spray head, so that the pollution is caused to the sizing machine, the production efficiency is influenced, even the sizing machine is damaged, and the stability is reduced; the applicator roll is soaked in the glue solution, the scraper scrapes off the redundant glue solution, the redundant glue solution overflows from the two sides of the scraper to the side surface of the applicator roll, the glue solution is easily adhered to the end part of the scraper due to the viscosity of the glue solution, and is dried at the end part of the scraper, the glue scraping efficiency of the scraper is increasingly poor along with the increase of the glue scraping time, the dried glue material accumulated at the end part of the scraper can be adhered to the side surface of the applicator roll again to influence the glue applying paper, and the glue solution leaks into the air for a long time and a large area, so that foreign matters such as dust and the like are easily adhered to cause the reduction of the glue applying quality, and therefore, the improvement is necessary.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a surface sizing machine with an improved glue supply mode, which can discharge glue from a sizing roller, does not pollute the surface sizing machine, does not generate waste glue, has high glue solution utilization rate, low production cost and simple structure, reduces the contact between the glue solution and air, and has high glue applying quality.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a surface sizing machine for improving a glue supply mode comprises a frame and a driving mechanism, wherein a paper guide roller is respectively and rotatably arranged at the upper part and the lower part of the frame, a sizing roller and a pressure roller are rotatably arranged at the middle part of the frame, the driving mechanism is in transmission connection with the sizing roller and the pressure roller, the sizing roller and the pressure roller are horizontally and parallelly arranged, a paper pressing seam for penetrating paper is arranged between the sizing roller and the pressure roller, the sizing roller comprises a cylindrical roller body, a glue storage cavity is formed in the roller body in a hollow manner, at least one glue outlet penetrating through the side wall of the roller body is formed in the inner wall of the glue storage cavity along the length direction of the roller body, a circle of filter screen is wrapped on the periphery of the roller body, a circle of sizing layer is wrapped on the periphery of the filter screen, a transmission shaft and a glue supply shaft are respectively arranged on the axes of two side faces of the roller body, the transmission shaft and the glue supply shaft are respectively and rotatably arranged on the frame, a glue inlet is formed in the end face of the glue supply shaft, and is communicated with the glue storage cavity, the glue inlet is connected with a glue inlet pipeline, and a control valve used for adjusting the flow of the glue solution is arranged on the glue inlet pipeline.
In a further technical scheme, the glue storage chamber is provided with a glue supply pipe, the glue supply pipe is arranged along the length direction of the roller body, one end of the glue supply pipe is connected with the glue inlet, and a plurality of glue supply ports are arranged on the glue supply pipe at intervals.
In a further technical scheme, the length of the glue supply pipe is equal to or greater than that of the glue outlet; the glue outlet is provided with a plurality of glue outlet stop bars at intervals along the length direction of the glue outlet.
In a further technical scheme, the front side, the rear side, the upper side and the lower side of the roller body are respectively provided with a glue outlet.
In a further technical scheme, a glue supply pump for pressurizing glue liquid in the glue inlet pipeline is further arranged on the glue inlet pipeline, and the glue supply pump is positioned at the rear end of the control valve.
In a further technical scheme, the surface sizing machine is provided with a control circuit, the control circuit is arranged on the frame, and the control circuit is electrically connected with the glue supply pump;
the control valve adopts an automatic flow control valve which is electrically connected with the control circuit.
In a further technical scheme, sliding shafts are respectively arranged on the axes of two side surfaces of the glue pressing roller, sliding grooves are respectively formed in two sides of the corresponding rack, and the two sliding shafts are respectively inserted into the two sliding grooves and are in sliding fit with the sliding grooves so as to realize that the glue pressing roller moves close to and away from the glue applying roller on the sliding grooves;
the surface sizing machine is also provided with a paper seam adjusting mechanism for adjusting the size of the paper pressing seam, the paper seam adjusting mechanism comprises an oil hydraulic cylinder and a connecting push rod, the oil hydraulic cylinder is fixedly arranged on one side of the paper pressing roller, the connecting push rod comprises a U-shaped push-pull rod, the front end of the push-pull rod is respectively and rotatably connected with two sliding shafts, and the rear end of the push-pull rod is in transmission connection with a telescopic rod of the oil hydraulic cylinder so as to realize that the oil hydraulic cylinder drives the paper pressing roller to horizontally move to adjust the size of the paper pressing seam.
In a further technical scheme, the driving mechanism comprises a glue pressing driving motor and a glue applying driving motor, the glue applying driving motor is installed on one side of the rack and is in transmission connection with the transmission shaft, the glue pressing driving motor is installed on one side of the glue pressing roller and is in transmission connection with any sliding shaft.
In a further technical scheme, the rubber inlet pipeline is connected with a high-pressure air pipe, the first end of the high-pressure air pipe is connected with the rubber inlet pipeline between the control valve and the rubber inlet, the second end of the high-pressure air pipe is connected with an air compressor, and the middle part of the high-pressure air pipe is provided with an air pipe valve for blocking the communication between the air compressor and the rubber inlet pipeline.
In a further technical scheme, the surface sizing machine is further provided with a drying box body, the drying box body is fixedly installed on the rack, and the drying box body is located on one side of the paper guide roller on the lower portion of the rack.
After adopting the structure, compared with the prior art, the utility model has the advantages that: the glue solution enters the interior of the glue applying roller from the glue inlet and uniformly permeates to the glue applying layer from the glue outlet through the filter screen, so that the utilization rate of the glue solution is improved, no waste glue is generated, a waste glue recovery device does not need to be additionally arranged, the structure is simple, and the cost is low; the glue applying layer does not need to be sprayed or soaked from the outside, and no redundant glue solution adheres to the glue applying roller and the surface glue applying machine, so that the cleanness and sanitation of the surface glue applying machine are kept, the service life of the whole machine is prolonged, and the stability is high; the glue solution permeates to the gluing layer from inside to outside, so that the contact between the glue solution and air is reduced, foreign matters such as dust and the like are prevented from entering the glue solution, and the gluing quality is high.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of the applicator roll of the present invention;
figure 4 is a cross-sectional view of the applicator roll of the present invention.
In the figure:
1, a frame, 11 paper guide rollers and 12 chutes;
2 glue applying roller, 21 roller body, 22 glue storage chamber, 23 glue outlet, 231 glue outlet blocking strip, 24 filter screen, 25 glue applying layer, 26 glue supply shaft, 261 transmission shaft, 27 glue inlet, 28 glue supply pipe and 29 glue supply port;
31 rubber pressing rollers, 32 sliding shafts, 33 oil hydraulic cylinders, 34 connecting push rods and 35 telescopic rods;
41 glue inlet pipeline, 42 control valve, 43 glue supply pump, 44 high-pressure air pipe, 45 air compressor, 46 air pipe valve;
and 5, drying the box body.
Detailed Description
The following are merely preferred embodiments of the present invention, and do not limit the scope of the present invention.
A surface sizing machine for improving a glue supply mode comprises a frame 1 and a driving mechanism, wherein the upper part and the lower part of the frame 1 are respectively rotatably provided with a paper guide roller 11, the middle part of the frame 1 is rotatably provided with a sizing roller 2 and a sizing roller 31, the driving mechanism is in transmission connection with the sizing roller 2 and the sizing roller 31, the sizing roller 2 and the sizing roller 31 are horizontally and parallelly arranged, a paper pressing gap for penetrating paper is arranged between the sizing roller 2 and the sizing roller 31, the sizing roller 2 comprises a cylindrical roller body 21, the interior of the roller body 21 is hollow to form a glue storage chamber 22, the inner wall of the glue storage chamber 22 is provided with a glue outlet 23 penetrating through the side wall of the roller body 21 along the length direction of the roller body 21, the periphery of the roller body 21 is coated with a circle of filter screen 24, the periphery of the filter screen 24 is coated with a circle of sizing layer 25, two side surfaces of the roller body 21 are respectively provided with a transmission shaft 261 and a glue supply shaft 26, the transmission shaft 261 and the glue supply shaft 26 are respectively rotatably mounted on the frame 1, the glue inlet 27 is formed in the end face of the glue supply shaft 26, the glue inlet 27 is communicated with the glue storage chamber 22, the glue inlet 27 is connected with a glue inlet pipeline 41, and a control valve 42 for adjusting the flow rate of glue liquid is arranged on the glue inlet pipeline 41.
The traditional surface sizing machine adopts external glue supply, the glue solution is sprayed or soaked on the sizing roller 2, the spraying and soaking of the glue solution can cause a large amount of glue solution to overflow, so that the glue solution is not fully utilized, a glue solution recovery device is also required to be arranged for recovering and reusing the glue solution, the structure is complex, the cost is high, the overflowed glue solution can be adhered to the surface sizing machine due to the viscosity, the regular cleaning is required, the use is inconvenient, the gluing quality can be influenced, and even the surface sizing machine is damaged, the glue solution enters the inside of the sizing roller 2 from a glue inlet 27, and uniformly permeates to a gluing layer 25 from a glue outlet 23 through a filter screen 24, the glue solution utilization rate is improved, no waste glue is generated, no waste glue recovery device is required to be additionally arranged, the structure is simple, and the cost is low; the glue applying layer does not need to be sprayed or soaked from the outside, and no redundant glue solution adheres to the glue applying roller 2 and the surface glue applying machine, so that the cleanness and sanitation of the surface glue applying machine are kept, the service life of the whole machine is prolonged, and the stability is high; the glue solution permeates into the gluing layer 25 from inside to outside, so that the contact between the glue solution and air is reduced, foreign matters such as dust are prevented from entering the glue solution, and the gluing quality is high.
The glue solution in the glue inlet pipe 41 enters the glue storage chamber 22 from the glue inlet 27 and fills the glue storage chamber 22, the glue solution uniformly permeates to the glue applying layer 25 from the glue outlet 23 through the filter screen 24 under the action of pressure, and the filter screen 24 filters the glue solution again and enables the glue solution to be extruded uniformly.
Specifically, the glue storage chamber 22 is provided with a glue supply pipe 28, the glue supply pipe 28 is arranged along the length direction of the roller body 21, one end of the glue supply pipe 28 is connected with a glue inlet 27, and the glue supply pipe 28 is provided with a plurality of glue supply ports 29 at intervals. The glue solution enters the glue supply tube 28 from the glue inlet 27, fills the glue supply tube 28 and enters the glue storage chamber 22 from each glue supply opening 29, so that the glue solution uniformly fills the whole glue storage chamber 22, and the glue solution is prevented from being accumulated at one end to cause uneven glue feeding.
Specifically, the length of the glue supply tube 28 is equal to or greater than the length of the glue outlet 23; the glue outlet 23 is provided with a plurality of glue outlet stop bars 231 at uniform intervals along the length direction of the glue outlet 23. Each glue outlet baffle bar 231 divides the strip-shaped glue outlet 23 into a plurality of small glue outlets 23, so that the glue solution is uniformly extruded from the glue outlets 23, the glue solution is further uniformly permeated into the glue applying layer 25, and the glue applying uniformity is improved.
Specifically, the front side, the rear side, the upper side and the lower side of the roller body 21 are respectively provided with a glue outlet 23. The four glue outlets 23 are uniformly distributed on the roller body 21, the glue solution permeates into the glue applying layer 25 from four directions, the glue supplying speed is higher, and the glue supplying uniformity is further improved.
Specifically, the glue inlet duct 41 is further provided with a glue supply pump 43 for pressurizing the glue solution in the glue inlet duct 41, and the glue supply pump 43 is located at the rear end of the control valve 42. The glue solution in the glue inlet pipeline 41 is pressurized by the glue supply pump 43, so that the flowing speed of the glue solution is improved, the glue supply speed is higher, and the production efficiency is higher.
Specifically, the surface sizing machine is provided with a control circuit, the control circuit is mounted on the frame 1, and the control circuit is electrically connected with the glue supply pump 43; the control valve 42 is an automatic flow control valve, and the automatic flow control valve is electrically connected with the control circuit. The flow rate and the flow of the glue solution are controlled through the automatic flow control valve, so that the glue supply amount is automatically adjusted, manual adjustment is not needed, the use is more convenient, the glue is supplied in an accurate proper amount, the glue solution is fully utilized, the waste glue is prevented from being generated, and the production cost is reduced.
Specifically, the axes of the two side surfaces of the glue pressing roller 31 are respectively provided with a sliding shaft 32, the two sides of the corresponding rack 1 are respectively provided with a sliding chute 12, and the two sliding shafts 32 are respectively inserted into the two sliding chutes 12 and are in sliding fit with the sliding chutes 12, so that the glue pressing roller 31 can move close to and away from the glue applicator roller 2 on the sliding chutes 12; the surface sizing machine is also provided with a paper seam adjusting mechanism for adjusting the size of the paper pressing seam, the paper seam adjusting mechanism comprises an oil pressure cylinder 33 and a connecting push rod 34, the oil pressure cylinder 33 is fixedly arranged on one side of the paper pressing roller 31, the connecting push rod 34 comprises a U-shaped push-pull rod, the front end of the push-pull rod is respectively and rotatably connected with two sliding shafts 32, and the rear end of the push-pull rod is in transmission connection with a telescopic rod 35 of the oil pressure cylinder 33 so as to realize that the oil pressure cylinder 33 drives the paper pressing roller 31 to horizontally move to adjust the size of the paper pressing seam.
The oil hydraulic cylinder 33 pushes the connecting push rod 34 to enable the glue pressing roller 31 to be close to or far away from the glue applying roller 2, the size of the paper pressing gap is changed, glue liquid is adjusted and compressed, the glue applying effect is better, the glue applying device is suitable for different glue applying thicknesses and different paper thicknesses, and the application range is wider.
Specifically, the driving mechanism comprises a glue pressing driving motor and a glue applying driving motor, the glue applying driving motor is installed on one side of the rack 1, the glue applying driving motor is in transmission connection with the transmission shaft 261, the glue pressing driving motor is installed on one side of the glue pressing roller 31, and the glue pressing driving motor is in transmission connection with any sliding shaft 32. The glue pressing driving motor and the glue applying driving motor respectively and independently drive the glue pressing roller 31 and the glue applying roller 2, so that the size of a paper pressing seam can be conveniently adjusted, the driving directions of the glue pressing driving motor and the glue applying driving motor are opposite, but the rotating speeds are consistent, therefore, the glue pressing roller 31 and the glue applying roller 2 rotate in different directions and at the same speed, the abrasion between the glue pressing roller and the paper is reduced, and the yield is improved.
Specifically, the rubber inlet pipe 41 is connected with a high-pressure air pipe 44, a first end of the high-pressure air pipe 44 is connected with the rubber inlet pipe 41 between the control valve 42 and the rubber inlet 27, a second end of the high-pressure air pipe 44 is connected with an air compressor 45, and an air pipe valve 46 for blocking the communication between the air compressor 45 and the rubber inlet pipe 41 is arranged in the middle of the high-pressure air pipe 44. After the surface sizing machine is used, the glue solution still stays on the sizing machine 2, the control valve 42 is closed to stop glue supply, the air pipe valve 46 is opened to enable the high-pressure air pipe 44 to be communicated with the glue storage chamber 22, and high-pressure air is blown to the glue storage chamber 22 through the air compressor 45, so that the glue solution is blown out, the cleaning purpose is achieved, the glue solution is prevented from being dried up to block the sizing machine 2, manual cleaning is not needed, and the use is more convenient; when glue is applied, the air compressor 45 and the air pipe valve 46 are closed, the high-pressure air pipe 44 and the glue storage chamber 22 are isolated, and the control valve 42 is opened to supply glue.
Specifically, the surface sizing machine is further provided with a drying box body 5, the drying box body 5 is fixedly installed on the rack 1, and the drying box body 5 is located on one side of a paper guide roller 11 at the lower portion of the rack 1. Paper enters the surface sizing machine from a paper guide roller 11 positioned at the upper part of the frame 1, after sizing is finished through a rubber pressing roller 31 and a sizing roller 2, the paper enters the drying box body 5 from the paper guide roller 11 positioned at the lower part of the frame 1 for drying, and therefore sizing operation is finished.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The utility model provides an improve surface sizing machine that supplies to glue mode, including frame (1) and actuating mechanism, the upper portion and the lower part of frame (1) are rotatory respectively and are installed one and are led paper roll (11), the middle part of frame (1) is rotatory to be installed and to be executed rubber roll (2) and moulding roller (31), actuating mechanism transmission is connected and is executed rubber roll (2) and moulding roller (31), execute rubber roll (2) and moulding roller (31) level and parallel arrangement, it has a pressure paper seam that is used for passing the paper to execute between rubber roll (2) and moulding roller (31), its characterized in that: the glue applying roller (2) comprises a cylindrical roller body (21), a glue storage cavity (22) is formed in the hollow interior of the roller body (21), at least one glue outlet (23) penetrating through the side wall of the roller body (21) is formed in the inner wall of the glue storage cavity (22) along the length direction of the roller body (21), a circle of filter screen (24) is wrapped on the periphery of the roller body (21), a circle of glue applying layer (25) is wrapped on the periphery of the filter screen (24), a transmission shaft (261) and a glue supplying shaft (26) are respectively arranged on the axes of the two side faces of the roller body (21), the transmission shaft (261) and the glue supplying shaft (26) are respectively and rotatably mounted on the rack (1), a glue inlet (27) is formed in the end face of the glue supplying shaft (26), the glue inlet (27) is communicated with the glue storage cavity (22), the glue inlet (27) is connected with a glue inlet pipeline (41), and a control valve (42) for adjusting the flow of glue is arranged on the glue inlet pipeline (41).
2. The surface sizing machine for improving a glue supply mode according to claim 1, characterized in that: store up gluey cavity (22) and be provided with confession rubber tube (28), supply rubber tube (28) to follow the length direction setting of roll body (21), the one end of confession rubber tube (28) is connected advance gluey mouth (27), supply spaced apart on rubber tube (28) to be equipped with a plurality of confession and glue mouth (29).
3. The surface sizing machine for improving a glue supply manner according to claim 2, characterized in that: the length of the glue supply pipe (28) is equal to or greater than that of the glue outlet (23); the glue outlet (23) is provided with a plurality of glue outlet stop bars (231) at even intervals along the length direction of the glue outlet (23).
4. The surface sizing machine for improving a glue supply mode according to claim 1, characterized in that: the front side, the rear side, the upper side and the lower side of the roller body (21) are respectively provided with the glue outlet (23).
5. The surface sizing machine for improving a glue supply mode according to claim 1, characterized in that: the glue inlet pipeline (41) is also provided with a glue supply pump (43) for pressurizing glue liquid in the glue inlet pipeline (41), and the glue supply pump (43) is positioned at the rear end of the control valve (42).
6. The surface sizing machine for improving a glue supply mode according to claim 5, characterized in that: the surface sizing machine is provided with a control circuit, the control circuit is arranged on the rack (1), and the control circuit is electrically connected with the glue supply pump (43);
the control valve (42) adopts an automatic flow control valve which is electrically connected with the control circuit.
7. The surface sizing machine for improving a glue supply mode according to claim 1, characterized in that: the axes of two side surfaces of the glue pressing roller (31) are respectively provided with a sliding shaft (32), two corresponding sides of the rack (1) are respectively provided with a sliding chute (12), and the two sliding shafts (32) are respectively inserted into the two sliding chutes (12) and are in sliding fit with the sliding chutes (12) so as to realize that the glue pressing roller (31) moves close to and away from the applicator roller (2) on the sliding chutes (12);
the surface sizing machine is also provided with a paper seam adjusting mechanism for adjusting the size of the paper pressing seam, the paper seam adjusting mechanism comprises an oil pressure cylinder (33) and a connecting push rod (34), the oil pressure cylinder (33) is fixedly installed on one side of the paper pressing roller (31), the connecting push rod (34) comprises a U-shaped push-and-pull rod, the front end of the push-and-pull rod is respectively and rotatably connected with two sliding shafts (32), and the rear end of the push-and-pull rod is in transmission connection with a telescopic rod (35) of the oil pressure cylinder (33) so as to realize that the oil pressure cylinder (33) drives the paper pressing roller (31) to move horizontally to adjust the size of the paper pressing seam.
8. The surface sizing machine for improving a glue supply manner according to claim 7, characterized in that: actuating mechanism includes moulding driving motor and glueing driving motor, glueing driving motor install in one side of frame (1), glueing driving motor transmission is connected transmission shaft (261), moulding driving motor install in one side of moulding roller (31), moulding driving motor transmission is connected arbitrary sliding shaft (32).
9. The surface sizing machine for improving a glue supply mode according to claim 1, characterized in that: advance gluey pipeline (41) and be connected with high-pressurepipe (44), the first end connection of high-pressurepipe (44) is located control valve (42) with advance gluey pipeline (41) between gluey mouth (27), the second end of high-pressurepipe (44) is connected with an air compressor (45), and the middle part of high-pressurepipe (44) is provided with and is used for blocking air compressor (45) and advances tracheal valve (46) that gluey pipeline (41) communicate.
10. The surface sizing machine for improving a glue supply mode according to claim 1, characterized in that: the surface sizing machine is further provided with a drying box body (5), the drying box body (5) is fixedly installed on the rack (1), and the drying box body (5) is located on one side of a paper guide roller (11) on the lower portion of the rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003722.7U CN216765424U (en) | 2021-12-01 | 2021-12-01 | Surface sizing machine with improved glue supply mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003722.7U CN216765424U (en) | 2021-12-01 | 2021-12-01 | Surface sizing machine with improved glue supply mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216765424U true CN216765424U (en) | 2022-06-17 |
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ID=81964437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123003722.7U Active CN216765424U (en) | 2021-12-01 | 2021-12-01 | Surface sizing machine with improved glue supply mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216765424U (en) |
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2021
- 2021-12-01 CN CN202123003722.7U patent/CN216765424U/en active Active
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