CN215549192U - Adjustable trimming structure for continuous production of paper - Google Patents
Adjustable trimming structure for continuous production of paper Download PDFInfo
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- CN215549192U CN215549192U CN202121463583.3U CN202121463583U CN215549192U CN 215549192 U CN215549192 U CN 215549192U CN 202121463583 U CN202121463583 U CN 202121463583U CN 215549192 U CN215549192 U CN 215549192U
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- 238000009966 trimming Methods 0.000 title claims abstract description 62
- 238000010924 continuous production Methods 0.000 title claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
An adjustable trimming structure for continuous production of paper comprises a fixed frame and a trimming roller set structure; the trimming roller group structure comprises an upper trimming roller structure, a lower conveying roller structure, a tension adjusting structure and a belt; the upper trimming roller structure comprises a motor fixing seat, a motor, a coupler, a first rotating shaft, a first bearing seat, a second bearing seat, a first synchronizing wheel, a guide structure, a first cutting head structure and a second cutting head structure. The paper conveys along with the lower conveying roller structure in the trimming roller group structure to conveying roller structure position down carries out the edge trimming work through setting up the last trimming roller structure directly over it, and the relative position of first cutting head structure, second cutting head structure on guide structure is adjusted to the difference of the width of the paper of cutting edge as required, is applicable to the continuous trimming work of the paper of different models, has improved work efficiency and side cut quality greatly.
Description
Technical Field
The utility model relates to the field of paper production, in particular to an adjustable trimming structure for continuous paper production.
Background
In the production process of paper, the edges of the paper need to be trimmed, so that the paper rolls with regular edges are obtained and then are divided according to the required paper size.
The paper side cut structure who uses at present has very big not enough: only the edge cutting treatment can be carried out on the paper with fixed width, and when the paper with different widths is cut, the cutter needs to be replaced, so that the operation is troublesome; in addition, when the edge cutting work is carried out on the paper with different thicknesses, the edge cutting force is different, the edge cutting structure used at present cannot be used for adjusting the edge cutting force, and therefore in the edge cutting process, incomplete edge cutting caused by too thin paper or paper jamming caused by too thick paper easily occurs.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to provide an adjustable trimming structure for continuous production of paper, which solves the trimming problem in the continuous production of the paper.
The technical scheme is as follows: the utility model provides an adjustable trimming structure for continuous production of paper, which comprises a fixed frame and a trimming roller set structure, wherein the trimming roller set structure is arranged on the fixed frame; the trimming roller group structure comprises an upper trimming roller structure, a lower conveying roller structure, a tension adjusting structure and a belt, wherein the lower conveying roller structure is arranged right below the upper trimming roller structure, the tension adjusting structure is arranged at the end part of the upper trimming roller structure, and the end part of the upper trimming roller structure, the end part of the lower conveying roller structure and the tension adjusting structure are connected through the belt; the upper trimming roller structure comprises a motor fixing seat, a motor, a coupler, a first rotating shaft, a first bearing seat, a second bearing seat, a first synchronizing wheel, a guide structure, a first cutting head structure and a second cutting head structure, wherein the motor is arranged on the motor fixing seat, the end part of the motor is connected with one end of the first rotating shaft through the coupler, the first bearing seat is arranged at one end, close to the coupler, of the first rotating shaft, the second bearing seat is arranged at one end, far away from the coupler, of the first rotating shaft, the first synchronizing wheel is arranged on the first rotating shaft and located between the coupler and the first bearing seat, the guide structure is arranged on the first rotating shaft and located between the first bearing seat and the second bearing seat, and the first cutting head structure and the second cutting head structure are arranged on the guide structure in parallel. The produced paper is conveyed along with a lower conveying roller structure in the trimming roller group structure, edge trimming is carried out at the position of the lower conveying roller structure through an upper trimming roller structure arranged right above the lower conveying roller structure, and a tension adjusting structure adjusts the tension of a belt, so that the conveying efficiency of the upper trimming roller structure and the lower conveying roller structure is improved; according to the difference of the width of the paper that needs the side cut, adjust the relative position of first cutting head structure, second cutting head structure on guide structure, the motor passes through the first pivot of shaft coupling drive and rotates under the support of first bearing frame, second bearing frame to carry out the continuous side cut work through first cutting head structure, second cutting head structure to paper both sides limit, be applicable to the continuous side cut work of the paper of different models, improved work efficiency and side cut quality greatly.
Furthermore, scales are arranged on the first rotating shaft. The position of the first cutting head structure and the position of the second cutting head structure on the first rotating shaft can be conveniently adjusted, and the trimming precision is greatly improved.
Furthermore, the guide structure comprises a first fixing flange, a second fixing flange, a first guide rod and a second guide rod, wherein the first guide rod and the second guide rod are arranged between the first fixing flange and the second fixing flange in parallel.
Furthermore, the first cutting head structure and the second cutting head structure are the same, the first cutting head structure comprises a blade, a first guide sleeve, a second guide sleeve, a first guide sleeve and a second guide sleeve, and the first guide sleeve and the second guide sleeve are arranged on the blade in parallel. The blades of the first cutting head structure and the second cutting head structure move along the first guide rod and the second guide rod of the guide structure through the first guide sleeve and the second guide sleeve, so that the trimming width is adjusted.
Further, the blade comprises a blade main body, a first fixing boss and a second fixing boss, wherein the first fixing boss and the second fixing boss are arranged on two sides of the blade main body; the first fixing boss and the second fixing boss are identical in structure, the first fixing boss is provided with three first fixing threaded holes, and the first fixing threaded holes are arranged outside the first fixing boss in a circumferential array mode with the center of the first fixing boss as the center. Through the fixed screw hole of second on first fixed boss, the fixed boss of second, on fixed the first pivot with the blade main part from equidirectional not to the fixed dynamics of first cutting head structure, second cutting head structure has been improved, thereby has improved the side cut precision when cutting edge.
Further, the lower conveying roller structure comprises a second rotating shaft, a third bearing seat, a fourth bearing seat and a second synchronizing wheel, wherein the second synchronizing wheel and the third bearing seat are arranged at one end of the second rotating shaft, and the fourth bearing seat is arranged at the other end of the second rotating shaft. When the upper trimming roller structure rotates, the first synchronizing wheel on the upper trimming roller structure drives the second synchronizing wheel to rotate through the belt, so that the second rotating shaft is driven to rotate under the support of the third bearing seat and the fourth bearing seat, and the conveying function is achieved while trimming is conducted on paper.
Furthermore, the third bearing seat and the fourth bearing seat have the same structure, and a column hole groove is formed in the fixed flange of the third bearing seat. After the relative distance between the lower conveying roller structure and the upper trimming roller structure is adjusted, the lower conveying roller structure and the upper trimming roller structure are fixed through the column hole grooves.
Further, tensile force adjustment structure includes cylinder, tensile force adjustment roller structure, connecting plate, first guide rail, second guide rail, cylinder plunger end and tensile force adjustment roller structural connection, tensile force adjustment roller structure sets up on the connecting plate, first guide rail, second guide rail set up side by side in the connecting plate be equipped with tensile force adjustment roller structure's opposite face. The cylinder drives the tension adjusting roller structure to move along the first guide rail and the second guide rail through the connecting plate, so that the tension of the belt is adjusted, and the conveying efficiency of the upper trimming roller structure and the lower conveying roller structure is improved.
Furthermore, tensile force adjustment gyro wheel structure includes gyro wheel mount, tensioning gyro wheel, tensioning pivot, bearing, the tensioning gyro wheel passes through the bearing setting on the tensioning pivot, tensioning pivot both ends set up on the gyro wheel mount. The tensioning roller rotates along the tensioning rotating shaft under the support of the bearing under the action of the belt.
Further, the fixed frame comprises a bottom plate, a first side plate and a second side plate, and the first side plate and the second side plate are arranged at two ends of the bottom plate in parallel and oppositely; the first side plate and the second side plate are identical in structure, a through hole and a straight slot are formed in the first side plate, the straight slot is vertically arranged under the through hole, and second fixing threaded holes are formed in the outer sides of the through hole and the straight slot. Go up the edge roller structure, lower conveying roller structure is respectively through the bearing frame on it, the setting is in first curb plate, the through-hole of second curb plate, in the straight flute hole, and fix through fixed screw hole, the third bearing frame of straight flute hole and lower conveying roller structure, the setting of the post hole groove on the fourth bearing frame, be convenient for adjust down conveying roller structure and go up the distance between the edge roller structure, thereby adjust first cutting head structure, the cutting dynamics when the first cutting head structure of second cutting cuts, be applicable to the side cut work of different thickness, the paper of different materials, wide applicability has.
The technical scheme shows that the utility model has the following beneficial effects: 1) the first cutting head structure and the second cutting head structure are arranged, the relative distance of the first cutting head structure and the second cutting head structure can be freely adjusted, the trimming distance is adjusted according to different widths of paper to be trimmed, the operation is simple and convenient, and the first rotating shaft is provided with scales, so that the size precision of a cut product is greatly improved; 2) the lower conveying roller structure with the adjustable position is arranged, the edge cutting force of the cutter on the paper is effectively adjusted by adjusting the distance between the lower conveying roller structure and the upper edge cutting roller structure, the paper edge cutting device is suitable for the edge cutting work of type paper, and the paper edge cutting device has wide applicability; 3) the tensioning force adjusting structure is arranged to adjust the tensioning force of the belt, so that the conveying efficiency of the upper trimming roller structure and the lower conveying roller structure is improved, the phenomena of slipping and the like are avoided, and the working efficiency and the trimming quality are improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of an upper slitting roller configuration;
FIG. 3 is a side view of a first cutting head configuration;
FIG. 4 is a front view of the lower conveyor roller structure;
FIG. 5 is a side view of the third bearing housing;
FIG. 6 is a perspective view of a tension adjustment structure;
fig. 7 is a perspective view of the first side plate.
In the figure: the cutting device comprises a fixed frame 1, a bottom plate 11, a first side plate 12, a through hole 121, a straight slot hole 122, a second fixed threaded hole 123, a second side plate 13, an edge cutting roller set structure 2, an upper edge cutting roller structure 21, a motor fixed seat 211, a motor 212, a coupler 213, a first rotating shaft 214, scales 2141, a first bearing seat 215, a second bearing seat 216, a first synchronizing wheel 217, a guide structure 218, a first fixed flange 2181, a second fixed flange 2182, a first guide rod 2183, a second guide rod 2184, a first cutting head structure 219, a blade 2191, a blade main body 21911, a first fixed boss 21912, a first fixed threaded hole 219121, a second fixed boss 21913, a first guide sleeve 2192, a second guide sleeve 2193, a second cutting head structure 210, a lower conveying roller structure 22, a second rotating shaft 221, a third bearing seat 222, a fourth shaft hole 2221, a first guide sleeve 223, a second synchronizing wheel 224, a tension adjusting bearing seat 23, a tension adjusting seat 23, a second synchronizing wheel seat, The tension adjusting device comprises an air cylinder 231, a tension adjusting roller structure 232, a roller fixing frame 2321, a tension roller 2322, a tension rotating shaft 2323, a bearing 2324, a connecting plate 233, a first guide rail 234, a second guide rail 235 and a belt 24.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
As shown in fig. 1, the utility model is a perspective view, and comprises a fixing frame 1 and an edge cutting roller group structure 2, wherein the edge cutting roller group structure 2 is arranged on the fixing frame 1; the trimming roller group structure 2 comprises an upper trimming roller structure 21, a lower conveying roller structure 22, a tension adjusting structure 23 and a belt 24, wherein the lower conveying roller structure 22 is arranged right below the upper trimming roller structure 21, the tension adjusting structure 23 is arranged at the end part of the upper trimming roller structure 21, and the end part of the upper trimming roller structure 21, the end part of the lower conveying roller structure 22 and the tension adjusting structure 23 are connected through the belt 24; as shown in fig. 2, the upper trimming roller structure 21 includes a motor fixing seat 211, a motor 212, a coupling 213, a first rotating shaft 214, a first bearing seat 215, a second bearing seat 216, a first synchronizing wheel 217, a guiding structure 218, a first cutting head structure 219, and a second cutting head structure 210, where the motor 212 is disposed on the motor fixing seat 211, and an end of the motor 212 is connected to one end of the first rotating shaft 214 through the coupling 213, the first bearing seat 215 is disposed on the first rotating shaft 214 at an end close to the coupling 213, the second bearing seat 216 is disposed on the first rotating shaft 214 at an end far from the coupling 213, the first synchronizing wheel 217 is disposed on the first rotating shaft 214 between the coupling 213 and the first bearing seat 215, the guiding structure 218 is disposed on the first rotating shaft 214 between the first bearing seat 215 and the second bearing seat 216, and the first cutting head structure 219 is disposed on the first rotating shaft 214, The second cutting head structure 210 is juxtaposed to the guide structure 218.
The first rotating shaft 214 is provided with a scale 2141.
The guide structure 218 includes a first fixing flange 2181, a second fixing flange 2182, a first guide rod 2183 and a second guide rod 2184, wherein the first guide rod 2183 and the second guide rod 2184 are disposed between the first fixing flange 2181 and the second fixing flange 2182 in parallel.
The first cutting head structure 219 and the second cutting head structure 210 have the same structure, and as shown in fig. 3, are side views of the first cutting head structure 219, and include a blade 2191, a first guide sleeve 2192, a second guide sleeve 2193, a first guide sleeve 2192, and a second guide sleeve 2193, where the first guide sleeve 2192 and the second guide sleeve 2193 are arranged on the blade 2191 in parallel.
The blade 2191 includes a blade body 21911, a first fixing boss 21912 and a second fixing boss 21913, and the first fixing boss 21912 and the second fixing boss 21913 are arranged on two sides of the blade body 21911; the first fixing bosses 21912 and the second fixing bosses 21913 have the same structure, the first fixing bosses 21912 are provided with three first fixing screw holes 219121, and the three first fixing screw holes 219121 are arranged outside the first fixing bosses 21912 in a circumferential array with the center of the first fixing bosses 21912 as the center.
Fig. 4 is a front view of the lower conveying roller structure 22, which includes a second rotating shaft 221, a third bearing seat 222, a fourth bearing seat 223, and a second synchronizing wheel 224, wherein the second synchronizing wheel 224 and the third bearing seat 222 are disposed at one end of the second rotating shaft 221, and the fourth bearing seat 223 is disposed at the other end of the second rotating shaft 221.
The third bearing seat 222 and the fourth bearing seat 223 have the same structure, and as shown in fig. 5, a side view of the third bearing seat 222 is provided, and a column hole slot 2221 is formed on the fixed flange.
As shown in fig. 6, the tension adjusting structure 23 is a perspective view, and includes an air cylinder 231, a tension adjusting roller structure 232, a connecting plate 233, a first guide rail 234, and a second guide rail 235, where a plunger end of the air cylinder 231 is connected to the tension adjusting roller structure 232, the tension adjusting roller structure 232 is disposed on the connecting plate 233, and the first guide rail 234 and the second guide rail 235 are disposed in parallel on an opposite surface of the connecting plate 233 where the tension adjusting roller structure 232 is disposed.
The tension adjusting roller structure 232 includes a roller fixing frame 2321, a tension roller 2322, a tension rotating shaft 2323 and a bearing 2324, the tension roller 2322 is disposed on the tension rotating shaft 2323 through the bearing 2324, and two ends of the tension rotating shaft 2323 are disposed on the roller fixing frame 2321.
The fixing frame 1 comprises a bottom plate 11, a first side plate 12 and a second side plate 13, wherein the first side plate 12 and the second side plate 13 are arranged at two ends of the bottom plate 11 in parallel and oppositely; the first side plate 12 and the second side plate 13 have the same structure, and as shown in fig. 7, a perspective view of the first side plate 12 is provided with a through hole 121 and a straight slot hole 122, the straight slot hole 122 is vertically disposed right below the through hole 121, and second fixing threaded holes 123 are disposed outside the through hole 121 and the straight slot hole 122.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a side cut structure with adjustable paper continuous production is with which characterized in that: the trimming roller set structure comprises a fixed frame (1) and a trimming roller set structure (2), wherein the trimming roller set structure (2) is arranged on the fixed frame (1); the trimming roller group structure (2) comprises an upper trimming roller structure (21), a lower conveying roller structure (22), a tension adjusting structure (23) and a belt (24), wherein the lower conveying roller structure (22) is arranged right below the upper trimming roller structure (21), the tension adjusting structure (23) is arranged at the end part of the upper trimming roller structure (21), and the end part of the upper trimming roller structure (21), the end part of the lower conveying roller structure (22) and the tension adjusting structure (23) are connected through the belt (24); the upper trimming roller structure (21) comprises a motor fixing seat (211), a motor (212), a coupler (213), a first rotating shaft (214), a first bearing seat (215), a second bearing seat (216), a first synchronizing wheel (217), a guide structure (218), a first cutting head structure (219) and a second cutting head structure (210), wherein the motor (212) is arranged on the motor fixing seat (211), the end part of the motor (212) is connected with one end of the first rotating shaft (214) through the coupler (213), the first bearing seat (215) is arranged at one end, close to the coupler (213), of the first rotating shaft (214), the second bearing seat (216) is arranged at one end, far away from the coupler (213), of the first rotating shaft (214), the first synchronizing wheel (217) is arranged between the coupler (213) and the first bearing seat (215) on the first rotating shaft (214), and the guide structure (218) is arranged on the first rotating shaft (214), is located on the first bearing seat (215), And the first cutting head structure (219) and the second cutting head structure (210) are arranged on the guide structure (218) in parallel between the second bearing seats (216).
2. The adjustable trimming structure for the continuous paper production according to claim 1, wherein: the first rotating shaft (214) is provided with scales (2141).
3. The adjustable trimming structure for the continuous paper production according to claim 1, wherein: the guide structure (218) comprises a first fixing flange (2181), a second fixing flange (2182), a first guide rod (2183) and a second guide rod (2184), wherein the first guide rod (2183) and the second guide rod (2184) are arranged between the first fixing flange (2181) and the second fixing flange (2182) in parallel.
4. The adjustable trimming structure for the continuous paper production according to claim 1, wherein: the first cutting head structure (219) and the second cutting head structure (210) are identical in structure, the first cutting head structure (219) comprises a blade (2191), a first guide sleeve (2192), a second guide sleeve (2193), a first guide sleeve (2192) and a second guide sleeve (2193), and the first guide sleeve (2192) and the second guide sleeve (2193) are arranged on the blade (2191) in parallel.
5. The adjustable trimming structure for the continuous paper production according to claim 4, wherein: the blade (2191) comprises a blade body (21911), a first fixing boss (21912) and a second fixing boss (21913), and the first fixing boss (21912) and the second fixing boss (21913) are arranged on two sides of the blade body (21911); the first fixing boss (21912) and the second fixing boss (21913) are identical in structure, three first fixing threaded holes (219121) are formed in the first fixing boss (21912), and the first fixing threaded holes (219121) are arranged on the outer side of the first fixing boss (21912) in a circumferential array with the center of the first fixing boss (21912) as the center.
6. The adjustable trimming structure for the continuous paper production according to claim 1, wherein: the lower conveying roller structure (22) comprises a second rotating shaft (221), a third bearing seat (222), a fourth bearing seat (223) and a second synchronizing wheel (224), wherein the second synchronizing wheel (224) and the third bearing seat (222) are arranged at one end of the second rotating shaft (221), and the fourth bearing seat (223) is arranged at the other end of the second rotating shaft (221).
7. The adjustable trimming structure for the continuous paper production according to claim 1, wherein: the third bearing seat (222) and the fourth bearing seat (223) are identical in structure, and a column hole groove (2221) is formed in a fixed flange of the third bearing seat (222).
8. The adjustable trimming structure for the continuous paper production according to claim 1, wherein: tensile force adjustment structure (23) include cylinder (231), tensile force adjustment roller structure (232), connecting plate (233), first guide rail (234), second guide rail (235), cylinder (231) plunger end and tensile force adjustment roller structure (232) are connected, tensile force adjustment roller structure (232) set up on connecting plate (233), first guide rail (234), second guide rail (235) set up the opposite face that is equipped with tensile force adjustment roller structure (232) in connecting plate (233) side by side.
9. The adjustable trimming structure for the continuous paper production according to claim 8, wherein: the tensioning roller structure (232) comprises a roller fixing frame (2321), a tensioning roller (2322), a tensioning rotating shaft (2323) and a bearing (2324), wherein the tensioning roller (2322) is arranged on the tensioning rotating shaft (2323) through the bearing (2324), and two ends of the tensioning rotating shaft (2323) are arranged on the roller fixing frame (2321).
10. The adjustable trimming structure for the continuous paper production according to claim 1, wherein: the fixing frame (1) comprises a bottom plate (11), a first side plate (12) and a second side plate (13), wherein the first side plate (12) and the second side plate (13) are arranged at two ends of the bottom plate (11) in parallel and oppositely; the structure of the first side plate (12) is the same as that of the second side plate (13), the first side plate (12) is provided with a through hole (121) and a straight slot hole (122), the straight slot hole (122) is vertically arranged under the through hole (121), and the outer sides of the through hole (121) and the straight slot hole (122) are respectively provided with a second fixing threaded hole (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121463583.3U CN215549192U (en) | 2021-06-30 | 2021-06-30 | Adjustable trimming structure for continuous production of paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121463583.3U CN215549192U (en) | 2021-06-30 | 2021-06-30 | Adjustable trimming structure for continuous production of paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215549192U true CN215549192U (en) | 2022-01-18 |
Family
ID=79821997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121463583.3U Expired - Fee Related CN215549192U (en) | 2021-06-30 | 2021-06-30 | Adjustable trimming structure for continuous production of paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215549192U (en) |
-
2021
- 2021-06-30 CN CN202121463583.3U patent/CN215549192U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |