CN220537121U - Multifunctional paper collecting device - Google Patents
Multifunctional paper collecting device Download PDFInfo
- Publication number
- CN220537121U CN220537121U CN202322026081.XU CN202322026081U CN220537121U CN 220537121 U CN220537121 U CN 220537121U CN 202322026081 U CN202322026081 U CN 202322026081U CN 220537121 U CN220537121 U CN 220537121U
- Authority
- CN
- China
- Prior art keywords
- winding drum
- paper
- roller
- wrinkle
- wrinkle removing
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims abstract description 70
- 230000037303 wrinkles Effects 0.000 claims abstract description 53
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 230000008961 swelling Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Winding Of Webs (AREA)
Abstract
The utility model discloses a multifunctional paper collecting device which comprises a first machine base and a second machine base, wherein a paper collecting assembly for paper rolling is arranged on the first machine base, a wrinkle removing assembly for paper wrinkle removing is arranged on the second machine base, the paper collecting assembly comprises a speed regulating motor and a winding drum, the speed regulating motor drives the winding drum to rotate when working, and a swelling and shrinking strip controlled by air pressure is arranged on the surface of the winding drum; the paper collecting assembly comprises two wrinkle removing rollers which are staggered up and down, and the surfaces of the wrinkle removing rollers are provided with opposite threads which are arranged in pairs; the winding drum and the wrinkle removing roller are arranged side by side, and the wrinkle removing roller close to the winding drum is higher than the winding drum; according to the utility model, the paper is rolled up through the paper collecting assembly, and the surface treatment is carried out on the paper through the wrinkle removing roller on the wrinkle removing assembly while the paper is rolled up, so that the paper is rolled up after being leveled, the paper recycling effect is good, and the automation degree is high.
Description
Technical Field
The utility model belongs to the technical field of paper collecting devices, and particularly relates to a multifunctional paper collecting device.
Background
In the red copper strip production process, in order to reduce the problem of surface scratch and staggered layer scratch, lining paper is carried out on the red copper strip in the working procedure, but the recycling and the utilization of paper are difficult problems and are important links of energy conservation and emission reduction of a plurality of enterprises. At present, paper is often recovered through an electric winding device, and more wrinkles exist in the paper recovery process, so that the recovered paper cannot be reused continuously. Thus, the traditional paper recycling mode has low efficiency and low paper recycling rate. Therefore, it is necessary to design a multifunctional paper collecting device to overcome the above difficulties.
Disclosure of Invention
The utility model designs a multifunctional paper collecting device aiming at the problems in the prior art, the used paper is rolled by the paper collecting assembly, and the surface treatment is carried out on the paper by the wrinkle removing roller on the wrinkle removing assembly while the paper is rolled, so that the paper is rolled after being leveled, the paper recycling effect is good, and the automation degree is high.
The utility model aims at realizing the following technical scheme: the multifunctional paper collecting device comprises a first machine seat and a second machine seat, wherein a paper collecting assembly for paper rolling is arranged on the first machine seat, a wrinkle removing assembly for paper wrinkle removing is arranged on the second machine seat, the paper collecting assembly comprises a speed regulating motor and a winding drum, the speed regulating motor drives the winding drum to rotate when working, and a swelling and shrinking strip controlled by air pressure is arranged on the surface of the winding drum; the paper collecting assembly comprises two wrinkle removing rollers which are staggered up and down, and the surfaces of the wrinkle removing rollers are provided with opposite threads which are arranged in pairs; the winding drum and the wrinkle removing roller are arranged side by side, and the wrinkle removing roller close to the winding drum is higher than the winding drum.
Preferably, the paper collecting assembly further comprises a clutch, a first driving wheel, a second driving wheel and a transmission shaft; the motor shaft of the speed regulating motor is connected with a clutch through a first driving wheel, and the clutch is connected with a transmission shaft through a second driving wheel; the first stand is also provided with bearing seats which are arranged in pairs, the transmission shaft is arranged on the bearing seats through bearings, and the transmission shaft is fixedly connected with the winding drum and synchronously rotates.
The gear in the clutch is driven to rotate when the speed regulating motor works, the gear in the clutch drives the transmission shaft to rotate, and the winding drum is driven to rotate when the transmission shaft rotates, so that paper is wound on the winding drum.
Preferably, the machine base is also provided with an electric cabinet and an air pump, and the air pump and the speed regulating motor are electrically connected with the electric cabinet; the gear in the clutch is driven to rotate when the speed regulating motor works, and the winding drum is driven to rotate when the gear in the clutch rotates.
The working state of the regulating motor and the air pump is conveniently controlled by the electric cabinet.
Preferably, the air pump is provided with an air charging pipe, the tail end of the air charging pipe is provided with an air charging head, the end of the winding drum, which is away from the bearing seat, is provided with an air valve, and the air charging head is connected with the air valve; the winding drum is internally hollow, and the expansion strip on the surface of the winding drum is communicated with the inside of the winding drum; when the air pump works, the expansion strip is spread relative to the surface of the winding drum.
The air pump is connected with the air valve through an air charging head on the air charging pipe, and the air charging pipe is a hose; when the air pump works, the air inflation pipe is inflated, the air valve is opened, the interior of the winding drum is pressurized, and the expansion strip can be expanded relative to the surface of the winding drum. When the air pump is closed, the air valve is also closed, and the pressure in the winding drum is lost, so that the expansion and contraction strip can contract relative to the surface of the winding drum. When the paper is wound, the expansion strip is expanded, the expansion strip is abutted against the inner wall of the roll paper, and the roll paper cannot axially move relative to the winding drum. When the paper winding is finished, a gap exists between the inner wall of the roll paper and the outer wall of the roll paper through the shrinkage of the expansion strip, so that the roll paper can be conveniently taken down from the roll paper.
Preferably, the surface of the winding drum is provided with scale bars which are arranged in pairs, the scale bars are arranged close to two ends of the winding drum, and the scale bars are arranged along the axial direction of the winding drum.
Calibrating the initial paper winding through the scale bar to enable the paper roll to be positioned at the central position of the winding drum; therefore, the roll paper can not deviate from the winding from the beginning to the end, and is always positioned in the middle of the roll.
Preferably, the wrinkle removing assembly comprises wrinkle removing rollers arranged in pairs, and each wrinkle removing roller is mounted on the second stand through a bearing; the wrinkle removing roller close to the winding drum is arranged below the wrinkle removing roller far away from the winding drum; the surface of each wrinkle-removing roller is provided with reverse threads which are uniformly distributed along the axial direction of the wrinkle-removing roller and are arranged in pairs, and the reverse threads are symmetrically distributed on the surface of the wrinkle-removing roller.
The wrinkle removing rollers are arranged in a staggered mode up and down, so that the paper is in a stretching state along the radial direction of the wrinkle removing rollers; the surface of the wrinkle removing pipe is provided with the reverse threads which are arranged in pairs, so that the paper can be subjected to tension along the axial direction of the dust removing roller, and the surface of the paper is smoother.
Preferably, two ends of each wrinkle-removing roller are provided with limiting discs which are arranged in pairs, and the outer diameter of each limiting disc is larger than that of each wrinkle-removing roller.
Through setting up the limiting disc, the in-process that like this paper was moving is towards a direction all the time, and the paper is aligned each other with the stock form on the reel all the time, and the atress of paper surface is more even like this, and paper coiling effect is better.
Preferably, an adjusting component for adjusting the tension is arranged between the two wrinkle removing rollers; the adjusting component comprises a first bracket, an air cylinder, a lifting block and a pressing roller, wherein the first bracket is arranged on the second base; the lifting block is arranged in the first bracket, an air cylinder is arranged on the upper end face of the first bracket, a piston shaft of the air cylinder is connected with the lifting block, and the air cylinder controls the lifting block to move up and down when in operation; both ends of the compression roller are arranged on the lifting blocks adjacent to the compression roller through bearings.
The cylinder is used for controlling the lifting block to move, and the pressing roller is controlled to move when the lifting block moves. The vertical distance between the compression roller and the second stand can be conveniently adjusted through the air cylinder, so that the tension of paper is adjusted. And adjusting different distances between the press roller and the second stand according to the wrinkling degree of different papers.
Preferably, the press rolls are arranged in parallel with the upper end face of the second machine base, and each wrinkle removing roll is arranged in parallel with the upper end face of the second machine base; the vertical distance between the press roller and the second machine seat is smaller than the vertical distance between the wrinkle removing roller arranged close to the winding drum and the second machine seat.
The press roller is arranged between the two wrinkle-removing rollers and is lower than the two wrinkle-removing rollers, so that pressure can be further applied to the surface of the paper through the press roller.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the wrinkle removing assembly and the paper collecting assembly are sequentially arranged in the paper rolling direction, the wrinkle removing assembly is used for firstly flattening the wrinkled paper, so that the paper has better flatness, and then the paper is recovered through the paper collecting assembly, so that the paper is convenient for secondary use. The paper collecting assembly is provided with the expansion strip, and the roll paper is conveniently positioned by expanding the expansion strip. Meanwhile, the roll paper is conveniently taken down from the winding drum through the shrinkage of the expansion strip. The two wrinkle-removing rollers are arranged in a staggered mode up and down, and a tensile force along the radial direction of the dust-removing rollers is applied to paper; the reverse threads apply the pulling force along the axial direction of the dust removal roller to the paper, so that the surface of the paper is always in a stretching state, the paper can be leveled from a wrinkling state, and the recovery effect of the paper is better.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
fig. 3 is a perspective view of another view of the present utility model.
The marks in the figure: 1. a first stand; 2. a second stand; 3. a paper collection assembly; 31. a speed regulating motor; 32. a reel; 33. a collapsible strip; 34. a clutch; 35. a first driving wheel; 36. a second driving wheel; 37. a transmission shaft; 4. a wrinkle removal assembly; 41. a wrinkle removal roller; 42. reverse threads; 43. a limiting disc; 5. a bearing seat; 6. an electric control box; 7. an air pump; 71. an inflation tube; 72. an inflation head; 8. an air valve; 9. an adjustment assembly; 91. a first bracket; 92. a cylinder; 93. a lifting block; 94. a press roller; 10. a scale bar.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
as shown in fig. 1 to 3, the embodiment discloses a multifunctional paper collecting device, which comprises a first machine base 1 and a second machine base 2, wherein a paper collecting assembly 3 for collecting paper is arranged on the first machine base 1, a wrinkle removing assembly 4 for removing wrinkles of paper is arranged on the second machine base 2, the paper collecting assembly 3 comprises a speed regulating motor 31 and a winding drum 32, the speed regulating motor 31 drives the winding drum 32 to rotate when working, and a swelling and shrinking strip 33 controlled by air pressure is arranged on the surface of the winding drum 32; the paper collecting assembly 3 comprises two wrinkle removing rollers 41 which are arranged in a staggered mode up and down, and reverse threads 42 which are arranged in pairs are arranged on the surfaces of the wrinkle removing rollers 41; the roll 32 is arranged side by side with the de-wrinkling roll 41 and the de-wrinkling roll 41 adjacent to the roll 32 is arranged higher than the roll 32.
The paper collecting assembly 3 further comprises a clutch 34, a first driving wheel 35, a second driving wheel 36 and a transmission shaft 37; the motor shaft of the speed regulating motor 31 is connected with a clutch 34 through a first driving wheel 35, and the clutch 34 is connected with a transmission shaft 37 through a second driving wheel 36; the first stand 1 is further provided with bearing seats 5 arranged in pairs, the transmission shaft 37 is installed on the bearing seats 5 through bearings, and the transmission shaft 37 is fixedly connected with the winding drum 32 and synchronously rotates. The machine base is also provided with an electric cabinet 6 and an air pump 7, and the air pump 7 and a speed regulating motor 31 are electrically connected with the electric cabinet 6; the gear in the clutch 34 is driven to rotate when the speed regulating motor 31 works, and the reel 32 is driven to rotate when the gear in the clutch 34 rotates. The air pump 7 is provided with an air charging pipe 71, the tail end of the air charging pipe 71 is provided with an air charging head 72, the end of the winding drum 32, which is away from the bearing 5, is provided with an air valve 8, and the air charging head 72 is connected with the air valve 8; the winding drum 32 is arranged in a hollow way, and the collapsible strip 33 on the surface of the winding drum 32 is communicated with the inside of the winding drum 32; the expansion and contraction strip 33 is spread relative to the surface of the winding drum 32 when the air pump 7 is operated. The surface of the winding drum 32 is provided with scale bars 10 which are arranged in pairs, the scale bars 10 are arranged near two ends of the winding drum 32, and the scale bars 10 are arranged along the axial direction of the winding drum 32.
The wrinkle removing assembly 4 comprises wrinkle removing rollers 41 arranged in pairs, and each wrinkle removing roller 41 is arranged on the second stand 2 through a bearing; the de-wrinkling roller 41 close to the reel 32 is arranged lower than the de-wrinkling roller 41 far from the reel 32; the surface of each wrinkle-removing roller 41 is provided with reverse threads 42 which are uniformly distributed along the axial direction of the wrinkle-removing roller 41 and are arranged in pairs, and the reverse threads 42 are symmetrically distributed on the surface of the wrinkle-removing roller 41. Two ends of each wrinkle removing roller 41 are provided with limiting discs 43 arranged in pairs, and the outer diameter of each limiting disc 43 is larger than that of each wrinkle removing roller 41. An adjusting component 9 for adjusting the tension degree is arranged between the two wrinkle removing rollers 41; the adjusting assembly 9 comprises a first bracket 91, an air cylinder 92, a lifting block 93 and a pressing roller 94, wherein the first bracket 91 is arranged on the second stand 2; the lifting block 93 is arranged in the first bracket 91, an air cylinder 92 is arranged on the upper end surface of the first bracket 91, a piston shaft of the air cylinder 92 is connected with the lifting block 93, and the air cylinder 92 controls the lifting block 93 to move up and down when in operation; both ends of the pressing roller 94 are mounted on the lifting block 93 disposed adjacent thereto through bearings. The press rollers 94 are arranged in parallel with the upper end face of the second machine base 2, and each of the wrinkle-removing rollers 41 is arranged in parallel with the upper end face of the second machine base 2; the vertical distance between the press roller 94 and the second stand 2 is smaller than the vertical distance between the wrinkle removing roller 41 arranged close to the winding drum 32 and the second stand 2.
The specific operation process of this embodiment is as follows, the paper is inserted onto the wrinkle removing assembly 4 in the initial state; the sheet is first wound onto a de-wrinkling roller 41 remote from the reel 32, pulled from the top of said de-wrinkling roller 41 and wound onto the bottom of a press roller 94; the sheet is then wound onto a de-wrinkling roller 41 adjacent the reel 32, and finally wound onto the reel 32; at this time, the first several layers of paper are manually wound on the surface of the reel 32; the air pump 7 is then turned on to inflate the collapsible strip 33 so that the roll paper can be secured to the reel 32. The tension is then adjusted by the adjusting assembly 9, and the vertical distance between the press roller 94 and the second stand 2 is controlled by the cylinder 92 according to the actual situation. Finally, the speed regulating motor 31 is opened to drive the winding drum 32 to rotate, so that the paper can be continuously wound on the winding drum 32 in the flattened state.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The multifunctional paper collecting device comprises a first machine seat (1) and a second machine seat (2), wherein a paper collecting assembly (3) for collecting paper is arranged on the first machine seat (1), and a wrinkle removing assembly (4) for removing wrinkles of the paper is arranged on the second machine seat (2), and the multifunctional paper collecting device is characterized in that the paper collecting assembly (3) comprises a speed regulating motor (31) and a winding drum (32), the speed regulating motor (31) drives the winding drum (32) to rotate when working, and a swelling and shrinking strip (33) controlled by air pressure is arranged on the surface of the winding drum (32); the paper collecting assembly (3) comprises two wrinkle removing rollers (41) which are staggered up and down, and reverse threads (42) which are arranged in pairs are arranged on the surfaces of the wrinkle removing rollers (41); the winding drum (32) is arranged side by side with the wrinkle removing roller (41), and the wrinkle removing roller (41) close to the winding drum (32) is arranged higher than the winding drum (32).
2. The multi-function delivery device according to claim 1, wherein the delivery assembly (3) further comprises a clutch (34), a first drive wheel (35), a second drive wheel (36) and a drive shaft (37); the motor shaft of the speed regulating motor (31) is connected with a clutch (34) through a first driving wheel (35), and the clutch (34) is connected with a transmission shaft (37) through a second driving wheel (36); the first stand (1) is also provided with bearing seats (5) which are arranged in pairs, the transmission shaft (37) is arranged on the bearing seats (5) through bearings, and the transmission shaft (37) is fixedly connected with the winding drum (32) and synchronously rotates.
3. The multifunctional paper collecting device according to claim 2, wherein the machine base is further provided with an electric cabinet (6) and an air pump (7), and the air pump (7) and the speed regulating motor (31) are electrically connected with the electric cabinet (6); the speed regulating motor (31) drives the gear in the clutch (34) to rotate when working, and drives the winding drum (32) to rotate when the gear in the clutch (34) rotates.
4. A multifunctional paper collecting device according to claim 3, characterized in that the air pump (7) is provided with an air charging pipe (71), the tail end of the air charging pipe (71) is provided with an air charging head (72), the end of the winding drum (32) back to the bearing seat (5) is provided with an air valve (8), and the air charging head (72) is connected with the air valve (8); the winding drum (32) is arranged in a hollow manner, and a collapsible strip (33) on the surface of the winding drum (32) is communicated with the inside of the winding drum (32); when the air pump (7) works, the expansion strip (33) is spread relative to the surface of the winding drum (32).
5. The multifunctional paper collecting device according to claim 2, wherein the surface of the winding drum (32) is provided with scale bars (10) which are arranged in pairs, the scale bars (10) are arranged near two ends of the winding drum (32), and the scale bars (10) are arranged along the axial direction of the winding drum (32).
6. A multi-function delivery device according to claim 1, wherein the de-wrinkling assembly (4) comprises de-wrinkling rollers (41) arranged in pairs, each de-wrinkling roller (41) being mounted on the second stand (2) by means of bearings; -said de-wrinkling roller (41) close to the reel (32) is arranged lower than said de-wrinkling roller (41) far from the reel (32); the surface of each wrinkle-removing roller (41) is provided with reverse threads (42) which are uniformly distributed along the axial direction of the wrinkle-removing roller (41) and are arranged in pairs, and the reverse threads (42) are symmetrically distributed on the surface of the wrinkle-removing roller (41).
7. The multi-function sheet delivery device according to claim 6, wherein two ends of each of the wrinkle removing rollers (41) are provided with limiting discs (43) arranged in pairs, and an outer diameter of each limiting disc (43) is larger than an outer diameter of each of the wrinkle removing rollers (41).
8. A multi-function delivery device according to claim 6, characterized in that an adjusting assembly (9) for adjusting the tension is arranged between two of said de-wrinkling rolls (41); the adjusting assembly (9) comprises a first bracket (91), an air cylinder (92), a lifting block (93) and a pressing roller (94), wherein the first bracket (91) is arranged on the second stand (2); a lifting block (93) is arranged in the first bracket (91), an air cylinder (92) is arranged on the upper end surface of the first bracket (91), a piston shaft of the air cylinder (92) is connected with the lifting block (93), and the air cylinder (92) controls the lifting block (93) to move up and down when in operation; both ends of the press roller (94) are arranged on the lifting blocks (93) adjacent to the press roller through bearings.
9. The multi-functional sheet delivery device according to claim 8, wherein the pressing rollers (94) are disposed parallel to the upper end surface of the second housing (2), and each of the wrinkle-removing rollers (41) is disposed parallel to the upper end surface of the second housing (2); the vertical distance between the press roller (94) and the second stand (2) is smaller than the vertical distance between the wrinkle removing roller (41) arranged close to the winding drum (32) and the second stand (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026081.XU CN220537121U (en) | 2023-07-28 | 2023-07-28 | Multifunctional paper collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026081.XU CN220537121U (en) | 2023-07-28 | 2023-07-28 | Multifunctional paper collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220537121U true CN220537121U (en) | 2024-02-27 |
Family
ID=89961531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322026081.XU Active CN220537121U (en) | 2023-07-28 | 2023-07-28 | Multifunctional paper collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220537121U (en) |
-
2023
- 2023-07-28 CN CN202322026081.XU patent/CN220537121U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111439623B (en) | Production equipment for environment-friendly waterproof fabric of automotive interior | |
| CN212101206U (en) | Cloth winding machine capable of automatically changing rolls | |
| CN206326989U (en) | A kind of Multifunctional embossing machine and its fabric of making | |
| CN212863365U (en) | Rapid winding device for textile machinery with good cloth winding smoothness | |
| CN220537121U (en) | Multifunctional paper collecting device | |
| CN219839239U (en) | Film blowing machine coiling mechanism | |
| CN114289545B (en) | Device for preventing high-strength coil from being unwound in coiling and coil unloading and working method | |
| CN201284157Y (en) | Flattening apparatus of interleaver | |
| CN214878819U (en) | Coiling mechanism in special paper production process | |
| CN212151128U (en) | Tension-free edge yarn crimping machine | |
| CN211283083U (en) | Surface tension winding station | |
| CN209866966U (en) | Automatic starting process device for strip coil of strip steel finishing machine set | |
| CN215512280U (en) | Cord fabric winding device | |
| CN205973126U (en) | Production PVC transparent film's pressurization coiling mechanism | |
| CN219823078U (en) | Printing rolling crease-resist mechanism | |
| CN207404566U (en) | A kind of combined type winding press roller mechanism | |
| CN206535883U (en) | Double uncoilers | |
| CN219597715U (en) | Hydraulic device of finishing mill | |
| CN220886298U (en) | Adhesive tape coiling machine | |
| CN107932987B (en) | Folding brake | |
| CN104441934A (en) | Shaftless friction type energy-saving rolled plate winding and unwinding device | |
| CN110856988A (en) | Servo hydraulic control tyre forming machine | |
| CN220449293U (en) | Single double cloth switchable scutching device that advances | |
| CN216153194U (en) | High-efficient integration processing equipment of paper tube reelpipe veneer | |
| CN213532910U (en) | Flexible drilling equipment of ultra-thin aluminium foil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |