CN113459184A - Anti-adhesion cutting equipment for reverse osmosis membrane - Google Patents
Anti-adhesion cutting equipment for reverse osmosis membrane Download PDFInfo
- Publication number
- CN113459184A CN113459184A CN202111027900.1A CN202111027900A CN113459184A CN 113459184 A CN113459184 A CN 113459184A CN 202111027900 A CN202111027900 A CN 202111027900A CN 113459184 A CN113459184 A CN 113459184A
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- Prior art keywords
- reverse osmosis
- osmosis membrane
- dust
- cutting knife
- adhesion
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses anti-adhesion cutting equipment for a reverse osmosis membrane, which comprises a dust-proof box, a transmission belt, a collecting box and a telescopic rod, wherein an electric push rod is fixedly arranged in the dust-proof box, the output end of the electric push rod is fixedly connected with a supporting plate, and the lower surface of the supporting plate is fixedly connected with a cutting knife through a supporting arm. In the compression process of the elastic bag body, the obvious pressure difference generated inside the hollow plate can enable the two impurity collecting boxes to be close to each other, the gap between the scrapers is the thickness of the cutting knife, so that the impurities such as scraps and the like on the surface of the cutting knife can be scraped in the downward movement process of the cutting knife, and the adhesion of the impurities on the surface of the cutting knife is avoided; the air flow sprayed downwards by the air nozzle can flexibly fix the reverse osmosis membrane diaphragm, manual operation is not needed, and mechanical damage to the surface of the reverse osmosis membrane diaphragm is avoided; after the cutting is finished, the negative pressure head can be automatically opened, and the telescopic rod is matched with the negative pressure head to move the reverse osmosis membrane diaphragm into the collection box.
Description
Technical Field
The invention relates to the technical field of reverse osmosis membrane treatment, in particular to anti-adhesion cutting equipment for a reverse osmosis membrane.
Background
In the reverse osmosis membrane course of working, need carry out the equidistance to continuous reverse osmosis membrane diaphragm and cut, and cut the sword and use the back for a long time, its surface temperature rises, there is some piece, the residue, debris such as dust adhesion on cutting the sword, lead to cutting the sword and become "blunt", the influence cuts the effect, and when cutting the sword and contact with reverse osmosis membrane diaphragm once more, probably can adhere reverse osmosis membrane diaphragm, lead to reverse osmosis membrane diaphragm to be taken up, if will cut the sword and take off and wash the efficiency that cuts that then can influence reverse osmosis membrane diaphragm, for this, we provide an antiseized even cutting equipment for reverse osmosis membrane.
Disclosure of Invention
The invention aims to solve the problem that sundries are adhered to the surface of a cutting knife to influence the cutting effect of a reverse osmosis membrane in the prior art, and provides anti-adhesion cutting equipment for a reverse osmosis membrane.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an antiseized even cutting equipment for reverse osmosis membrane, includes dust prevention case, transmission band, collecting box and telescopic link, the internal fixed mounting of dust prevention case has electric putter, electric putter's output fixedly connected with backup pad, the lower surface of backup pad cuts the sword through support arm fixedly connected with, and cuts the below that the sword is located the dust prevention case, the symmetry is equipped with a plurality of holding down plates on the lateral wall of backup pad, and the elasticity utricule has all been placed between the interior diapire of the corresponding holding down plate in position and dust prevention case, the below of dust prevention case is equipped with two antiseized mechanisms, and two antiseized mechanisms are linked together with two elasticity utricules respectively.
Further, two antiseized mechanism all includes well hollow plate, two well hollow plate all includes the horizontal segment and the vertical section of intercommunication each other, and two vertical sections and corresponding elasticity utricule junction have all seted up the notch.
Further, two all install first check valve in the notch, two the lower part of elasticity utricule all communicates there is the intake pipe, two the intake pipe all runs through the lateral wall of dust-proof box and extends to outside the dust-proof box, two all install the second check valve in the intake pipe.
Furthermore, two equal vertical sliding plates that are provided with in the horizontal segment, two equal symmetry installs many round bars on the sliding plate, and many round bars that the position is corresponding all run through corresponding well hollow plate and be connected with the miscellaneous box of collection jointly, two equal symmetry connection has a plurality of second springs between the inside wall of sliding plate and corresponding well hollow plate, and every second spring all around establishing the periphery at corresponding round bar.
Furthermore, two one side that collection miscellaneous box is close to the sword that cuts all fixed mounting have a scraper, two the scraper all inclines directional sword that cuts, and the rounding processing is all done to the upper end of two scrapers.
Furthermore, two the lower surface of well hollow plate all communicates there is a plurality of nozzle stub, and the position is corresponding a plurality of the lower extreme of nozzle stub communicates jointly there is the horizontal plate, two the lower surface mounting of horizontal plate has a plurality of air cocks.
Further, a pressure sensor is fixedly mounted on the lower surface of the dust-proof box, a guide pillar is arranged in the middle of the pressure sensor, a first spring is wound on the outer side of the guide pillar, the upper end of the first spring is movably connected with the pressure sensor, and the lower end of the first spring is fixedly connected with a cutting knife.
Further, the output end fixed support of telescopic link has the negative pressure head, flexible sucking disc is installed towards one side of transmission band to the negative pressure head, telescopic link and negative pressure head all with pressure sensor electric connection.
In the compression process of the elastic bag body, the obvious pressure difference generated inside the hollow plate can enable the two impurity collecting boxes to be close to each other, the gap between the scrapers is the thickness of the cutting knife, so that the impurities such as scraps and the like on the surface of the cutting knife can be scraped in the downward movement process of the cutting knife, and the adhesion of the impurities on the surface of the cutting knife is avoided; the air flow sprayed downwards by the air nozzle can flexibly fix the reverse osmosis membrane, manual operation is not needed, mechanical damage to the surface of the reverse osmosis membrane is avoided, air flow rate can be increased, and the cutting knife can be cooled; after the reverse osmosis membrane cutting machine is used for cutting, the telescopic rod is matched with the negative pressure head to move the reverse osmosis membrane into the collecting box, automatic concentrated collection of the reverse osmosis membrane is achieved, machine halt is not needed in the whole machining process, and machining efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of an anti-adhesion cutting device for a reverse osmosis membrane, which is provided by the invention;
FIG. 2 is a schematic position diagram of a hollow plate and a horizontal plate in the anti-adhesion cutting device for the reverse osmosis membrane provided by the invention;
FIG. 3 is a schematic diagram of the internal structure of a dust-proof box in the anti-adhesion cutting equipment for the reverse osmosis membrane provided by the invention;
FIG. 4 is a schematic diagram of the internal structure of a hollow plate in the anti-adhesion cutting device for the reverse osmosis membrane provided by the invention;
fig. 5 is an enlarged view of a portion a in fig. 4.
In the figure: 1 dust-proof box, 2 hollow plates, 201 horizontal section, 202 vertical section, 3 supporting arms, 4 cutting blades, 5 air inlet pipes, 6 short pipes, 7 horizontal plates, 8 transmission belts, 9 collection boxes, 10 telescopic rods, 11 negative pressure heads, 12 air nozzles, 13 impurity collection boxes, 14 scrapers, 15 supporting plates, 16 lower pressing plates, 17 elastic bag bodies, 18 pressure sensors, 19 first springs, 20 notches, 21 round rods, 22 second springs, 23 sliding plates and 24 electric push rods.
Detailed Description
Referring to fig. 1-2, an antiseized even cutting equipment for reverse osmosis membrane, including dust prevention box 1, transmission band 8, collecting box 9 and telescopic link 10, fixed mounting has electric putter 24 in the dust prevention box 1, electric putter 24's output fixedly connected with backup pad 15, backup pad 15's lower surface is through 3 fixedly connected with cutting sword 4 of support arm, and cut sword 4 and be located the below of dust prevention box 1, the symmetry is equipped with a plurality of holding down plates 16 on the lateral wall of backup pad 15, the elastic utricule 17 all is placed between the corresponding holding down plate 16 in position and the interior diapire of dust prevention box 1, dust prevention box 1's below is equipped with two antiseized mechanisms, and two antiseized mechanisms are linked together with two elastic utricules 17 respectively.
Referring to fig. 3-5, the two anti-sticking mechanisms each include a hollow plate 2, the two hollow plates 2 each include a horizontal section 201 and a vertical section 202 which are communicated with each other, and notches 20 are formed at the joints of the two vertical sections 202 and the corresponding elastic capsules 17.
First one-way valves are arranged in the two notches 20, the lower parts of the two elastic bag bodies 17 are communicated with air inlet pipes 5, the two air inlet pipes 5 penetrate through the side wall of the dust-proof box 1 and extend out of the dust-proof box 1, and second one-way valves are arranged in the two air inlet pipes 5;
gas can only flow to the hollow plate 2 from the interior of the elastic capsule 17, and only when the interior of the elastic capsule 17 is in a negative pressure state, the outside air can be supplemented to the interior of the elastic capsule 17 through the air inlet pipe 5, namely when the elastic capsule 17 is reset, the air inlet pipe 5 supplements the gas for the elastic capsule 17.
Equal vertical sliding plate 23 that is provided with in two horizontal segments 201, many round bars 21 are installed to equal symmetry on two sliding plates 23, many round bars 21 that the position is corresponding all run through corresponding well hollow plate 2 and be connected with the miscellaneous box 13 of collection jointly, the miscellaneous box 13 of collection is uncovered formula, debris such as the piece of being convenient for fall into the miscellaneous box 13 of collection, equal symmetrical connection has a plurality of second springs 22 between the inside wall of two sliding plates 23 and corresponding well hollow plate 2, and every second spring 22 is all around establishing the periphery at corresponding round bar 21.
Two collection miscellaneous box 13 are close to the equal fixed mounting in one side of cutting sword 4 and have scraper 14, and two scrapers 14 all incline the directional sword 4 that cuts, and the rounding processing is all done to the upper end of two scrapers 14, causes the damage to cutting sword 4 when avoiding scraper 14 and cutting sword 4 to offset, when electric putter 24's output drives backup pad 15 and rises, cuts sword 4 and can not contact with scraper 14.
The lower surface of two cavity boards 2 all communicates there are a plurality of nozzle stub 6, and the common intercommunication of the lower extreme of a plurality of nozzle stub 6 that the position is corresponding has horizontal plate 7, and the lower surface mounting of two horizontal plate 7 has a plurality of air cocks 12, and the direction of air cock 12 can be adjusted as required, and air cock 12 department spun air current can play the effect of flexible fixed reverse osmosis membrane diaphragm, also can accelerate air flow speed, improves the radiating rate who cuts sword 4.
The lower surface fixed mounting of dust-proof box 1 has pressure sensor 18, pressure sensor 18's middle part is equipped with the guide pillar, the outside of guide pillar is around being equipped with first spring 19, the upper end and the pressure sensor 18 swing joint of first spring 19, the lower extreme of first spring 19 with cut sword 4 fixed linking to each other, the guide pillar can avoid first spring 19 unstability, when cutting sword 4 hovers at the highest point department, first spring 19 is in the biggest compression state, when cutting sword 4 moves down to the position that is about to cut off the reverse osmosis membrane diaphragm, first spring 19 is just in free state, the guide pillar is not contacted with first spring 19.
A negative pressure head 11 is fixedly supported at the output end of the telescopic rod 10, a flexible sucker is installed on one side, facing the conveying belt 8, of the negative pressure head 11, and the telescopic rod 10 and the negative pressure head 11 are both electrically connected with a pressure sensor 18;
as shown in fig. 1, the reverse osmosis membrane is conveyed to the position below the cutting knife 4 through the conveying belt 8, the output end of the electric push rod 24 drives the supporting arm 3 and the lower pressing plate 16 to move downwards through the supporting plate 15, the cutting knife 4 connected with the supporting arm 3 synchronously moves downwards, and meanwhile, the elastic bag body 17 is compressed;
the gas in the elastic capsule 17 enters the hollow plate 2 through the notch 20 and the check valve at the notch 20, and because the diameter of the short pipe 6 is small, the gas increased in the hollow plate 2 cannot be immediately discharged through the short pipe 6, and the sliding plate 23 is extruded to slide in the horizontal section 201;
the sliding plate 23 pushes the round rod 21 to extend outwards, so that the two impurity collecting boxes 13 are close to each other, the distance between the two scrapers 14 arranged on the impurity collecting boxes 13 is shortened, the scrapers 14 can clean up the debris and other impurities on the surfaces of the cutting blades 4 in the downward movement process of the cutting blades 4, and the impurities can automatically fall into the impurity collecting boxes 13 because the scrapers 14 are obliquely arranged, so that the impurities are prevented from scattering and polluting the devices such as the conveying belt 8;
gas entering the water plate 7 from the short pipe 6 flows outwards through the air nozzle 12, downward pressure is applied to the reverse osmosis membrane by the gas flow, the reverse osmosis membrane is flexibly fixed, the air flowing speed can be increased, the heat dissipation speed of the cutting knife 4 is improved, and compared with the conventional method that the reverse osmosis membrane is fixed by using pressing strips and the like, the gas flow in the invention does not need manual operation and adjustment, and the surface of the reverse osmosis membrane is not damaged;
when the pressure in the hollow plate 2 tends to be stable, the second spring 22 drives the sliding plate 23 and the round rod 21 to reset, so that the two impurity collecting boxes 13 are far away from each other, the two scrapers 14 are also far away from the cutting knife 4, when the output end of the electric push rod 24 drives the supporting plate 15 to ascend, the cutting knife 4 cannot be in contact with the scrapers 14, and the fragments or dust on the cutting knife 4 are prevented from falling downwards;
it should be noted that the air inlet pipe 5 communicated with the elastic bag body 17 is internally provided with a second one-way valve, only when the elastic bag body 17 is in a negative pressure state, outside air can be supplemented into the elastic bag body 17 through the air inlet pipe 5, and meanwhile, the first one-way valve at the notch 20 limits the flowing direction of air, so that the situation that when the elastic bag body 17 is reset, air flows upwards to cause negative pressure at the air nozzle 12 is avoided;
when cutting sword 4 hovers at the highest point department, first spring 19 is in the biggest compression state, the pressure value that pressure sensor 18 detected is the biggest, when cutting sword 4 downstream to the position of being about to cut off the reverse osmosis membrane diaphragm, first spring 19 is just in free state, the pressure value that pressure sensor 18 detected is close to for zero, at this moment, the output of telescopic link 10 drives negative pressure head 11 and moves to the assigned position, then negative pressure head 11 opens, utilize the negative pressure to fix the reverse osmosis membrane diaphragm under the cutting, then the output of telescopic link 10 drives negative pressure head 11 reverse motion, when the reverse osmosis membrane diaphragm is in the position of collecting box 9, negative pressure head 11 closes, make the reverse osmosis membrane diaphragm automatically fall into in the collecting box 9, realize concentrated collection.
Claims (8)
1. An anti-adhesion cutting device for reverse osmosis membranes comprises a dust-proof box (1), a transmission belt (8), a collection box (9) and a telescopic rod (10), it is characterized in that an electric push rod (24) is fixedly arranged in the dustproof box (1), the output end of the electric push rod (24) is fixedly connected with a supporting plate (15), the lower surface of the supporting plate (15) is fixedly connected with a cutting knife (4) through a supporting arm (3), the cutting knife (4) is positioned below the dust-proof box (1), a plurality of lower pressing plates (16) are symmetrically arranged on the side wall of the supporting plate (15), elastic bag bodies (17) are respectively arranged between the lower pressing plates (16) corresponding to the positions and the inner bottom wall of the dust-proof box (1), two anti-sticking mechanisms are arranged below the dust-proof box (1), and the two anti-sticking mechanisms are respectively communicated with the two elastic bag bodies (17).
2. The anti-adhesion cutting equipment for reverse osmosis membranes according to claim 1, wherein the two anti-adhesion mechanisms comprise hollow plates (2), the two hollow plates (2) comprise horizontal sections (201) and vertical sections (202) which are communicated with each other, and notches (20) are formed at the joints of the two vertical sections (202) and the corresponding elastic capsules (17).
3. The anti-adhesion cutting equipment for the reverse osmosis membrane according to claim 2, wherein a first one-way valve is installed in each of the two notches (20), the lower portions of the two elastic bag bodies (17) are communicated with air inlet pipes (5), the two air inlet pipes (5) penetrate through the side wall of the dust-proof box (1) and extend out of the dust-proof box (1), and a second one-way valve is installed in each of the two air inlet pipes (5).
4. The anti-adhesion cutting equipment for the reverse osmosis membrane according to claim 2, wherein sliding plates (23) are vertically arranged in each of the two horizontal sections (201), a plurality of round rods (21) are symmetrically arranged on each of the two sliding plates (23), the round rods (21) corresponding to each other penetrate through the corresponding hollow plate (2) and are commonly connected with the impurity collecting box (13), a plurality of second springs (22) are symmetrically connected between each of the two sliding plates (23) and the inner side wall of the corresponding hollow plate (2), and each second spring (22) is wound on the periphery of the corresponding round rod (21).
5. The anti-adhesion cutting device for the reverse osmosis membrane according to claim 4, wherein one side of each of the two impurity collecting boxes (13) close to the cutting knife (4) is fixedly provided with a scraper (14), the two scrapers (14) are obliquely directed to the cutting knife (4), and the upper ends of the two scrapers (14) are rounded.
6. The anti-adhesion cutting device for the reverse osmosis membrane as claimed in claim 2, wherein the lower surfaces of the two hollow plates (2) are communicated with a plurality of short pipes (6), the lower ends of the short pipes (6) in corresponding positions are communicated with a horizontal plate (7), and a plurality of air nozzles (12) are mounted on the lower surfaces of the two horizontal plates (7).
7. The anti-adhesion cutting device for the reverse osmosis membrane according to claim 1, wherein a pressure sensor (18) is fixedly mounted on the lower surface of the dust-proof box (1), a guide pillar is arranged in the middle of the pressure sensor (18), a first spring (19) is wound on the outer side of the guide pillar, the upper end of the first spring (19) is movably connected with the pressure sensor (18), and the lower end of the first spring (19) is fixedly connected with the cutting knife (4).
8. The anti-adhesion cutting equipment for the reverse osmosis membrane according to claim 7, wherein the output end of the telescopic rod (10) is fixedly supported with a negative pressure head (11), a flexible suction disc is installed on one side, facing the conveying belt (8), of the negative pressure head (11), and the telescopic rod (10) and the negative pressure head (11) are both electrically connected with the pressure sensor (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027900.1A CN113459184B (en) | 2021-09-02 | 2021-09-02 | Anti-adhesion cutting equipment for reverse osmosis membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027900.1A CN113459184B (en) | 2021-09-02 | 2021-09-02 | Anti-adhesion cutting equipment for reverse osmosis membrane |
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| Publication Number | Publication Date |
|---|---|
| CN113459184A true CN113459184A (en) | 2021-10-01 |
| CN113459184B CN113459184B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111027900.1A Active CN113459184B (en) | 2021-09-02 | 2021-09-02 | Anti-adhesion cutting equipment for reverse osmosis membrane |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004074344A (en) * | 2002-08-16 | 2004-03-11 | Oji Engineering Kk | Device for preventing attachment of foreign matter to cutter |
| CN109176630A (en) * | 2018-10-31 | 2019-01-11 | 湖州碧宁生物科技有限公司 | A kind of plaster cutting device |
| KR102062007B1 (en) * | 2019-07-23 | 2020-01-02 | 이창용 | A Device for cutting roots of spring onion |
| CN210856434U (en) * | 2019-10-16 | 2020-06-26 | 德州骏腾材料科技有限公司 | Carbon fiber short yarn cutting device |
| CN212497895U (en) * | 2020-03-16 | 2021-02-09 | 惠州市焕鑫洪电子有限公司 | Asynchronous machine for cutting adhesive tape |
| JP2021508651A (en) * | 2018-10-05 | 2021-03-11 | エルジー・ケム・リミテッド | Battery cell tape attachment device |
-
2021
- 2021-09-02 CN CN202111027900.1A patent/CN113459184B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004074344A (en) * | 2002-08-16 | 2004-03-11 | Oji Engineering Kk | Device for preventing attachment of foreign matter to cutter |
| JP2021508651A (en) * | 2018-10-05 | 2021-03-11 | エルジー・ケム・リミテッド | Battery cell tape attachment device |
| CN109176630A (en) * | 2018-10-31 | 2019-01-11 | 湖州碧宁生物科技有限公司 | A kind of plaster cutting device |
| KR102062007B1 (en) * | 2019-07-23 | 2020-01-02 | 이창용 | A Device for cutting roots of spring onion |
| CN210856434U (en) * | 2019-10-16 | 2020-06-26 | 德州骏腾材料科技有限公司 | Carbon fiber short yarn cutting device |
| CN212497895U (en) * | 2020-03-16 | 2021-02-09 | 惠州市焕鑫洪电子有限公司 | Asynchronous machine for cutting adhesive tape |
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| Publication number | Publication date |
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| CN113459184B (en) | 2021-11-12 |
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