CN113758870A - Reverse osmosis membrane folding device with detection mechanism - Google Patents
Reverse osmosis membrane folding device with detection mechanism Download PDFInfo
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- CN113758870A CN113758870A CN202110940930.5A CN202110940930A CN113758870A CN 113758870 A CN113758870 A CN 113758870A CN 202110940930 A CN202110940930 A CN 202110940930A CN 113758870 A CN113758870 A CN 113758870A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
- B29C53/043—Bending or folding of plates or sheets using rolls or endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/16—Straightening or flattening
- B29C53/18—Straightening or flattening of plates or sheets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a reverse osmosis membrane folding device with a detection mechanism, which comprises a shell; the shell is internally provided with: the clamping mechanisms are arranged on two sides of the shell and are used for clamping two ends of the diaphragm; the two detection mechanisms are arranged on the two sides of the shell and are connected with the shell in a sliding manner; the folding mechanism is arranged between the two detection mechanisms, and the two detection mechanisms are symmetrically arranged relative to the folding mechanism; the detection mechanism comprises a fixed shell, a flattening unit, a pressing unit and a detection unit, wherein the flattening unit, the pressing unit and the detection unit are arranged in the fixed shell; the flattening unit enables the diaphragm to be subjected to acting force towards two sides of the advancing direction of the detection mechanism, and the diaphragm is flattened towards two sides; the pressing unit is tightly attached to the membrane, and generates rolling friction force with the membrane when the pressing unit moves, so that the membrane is tightened and pulled flat in a direction parallel to the advancing direction of the detection mechanism; the detection unit detects the diaphragm which is flattened by the flattening unit and the pressing unit.
Description
Technical Field
The invention relates to the technical field of reverse osmosis membrane manufacturing and processing, in particular to a reverse osmosis membrane folding device with a detection mechanism.
Background
The reverse osmosis membrane can simultaneously remove a wide range of pollutants including total dissolved solids, pathogens (bacteria and viruses) and low molecular weight chemical pollutants, and has wide application prospects in the aspects of drinking water purification, seawater desalination, brackish water desalination and wastewater reuse.
If the reverse osmosis membrane is damaged, the purification capacity of the reverse osmosis membrane is greatly reduced, and the unpurified water flows out from the damaged part, so that the water cannot be purified, therefore, in the production and processing process of the reverse osmosis membrane, the damage detection of the reverse osmosis membrane is needed, and the waste caused by the fact that the damaged reverse osmosis membrane is processed into a finished product is prevented.
Reverse osmosis membrane is in production and processing in-process, involves the fifty percent discount to reverse osmosis membrane, and all aligns the fifty percent discount again through the manual work among the prior art, and artifical intensity is great, and appears the error easily and lead to the fifty percent discount uneven, influences reverse osmosis membrane in the performance in later stage.
Disclosure of Invention
The invention provides a reverse osmosis membrane folding device with a detection mechanism aiming at the defects of the prior art.
The invention solves the technical problems through the following technical means:
the reverse osmosis membrane folding device with the detection mechanism comprises a shell; the method is characterized in that: the shell is internally provided with:
the clamping mechanisms are arranged on two sides of the shell and are used for clamping two ends of the diaphragm;
the two detection mechanisms are arranged on two sides of the shell and are connected with the shell in a sliding manner;
the folding mechanism is arranged between the two detection mechanisms, and the two detection mechanisms are symmetrically arranged relative to the folding mechanism;
the detection mechanism comprises a fixed shell, and a flattening unit, a pressing unit and a detection unit which are sequentially arranged along the movement direction of the fixed shell, wherein the flattening unit, the pressing unit and the detection unit are arranged in the fixed shell, and the fixed shell is connected with the shell in a sliding manner; the flattening unit enables the diaphragm to be subjected to acting force towards two sides of the advancing direction of the detection mechanism, and the diaphragm is flattened towards two sides; the pressing unit is tightly attached to the membrane, and generates rolling friction force with the membrane when the pressing unit moves, so that the membrane is tightened and pulled flat in a direction parallel to the advancing direction of the detection mechanism; the detection unit detects the diaphragm which is flattened by the flattening unit and the pressing unit.
As an improvement of the technical scheme, the flattening unit and the pressing unit are respectively provided with two groups and are symmetrically arranged relative to the detection unit.
As an improvement of the above technical scheme, the flattening unit includes an upper flattening roller and a lower flattening roller, the two ends of the upper flattening roller and the lower flattening roller are provided with flattening threads, the left flattening threads of the upper flattening roller in the advancing direction are set as right-handed threads, the right flattening threads of the upper flattening roller in the advancing direction are set as left-handed threads, and the lower flattening roller and the upper flattening roller are symmetrically arranged relative to the diaphragm.
As an improvement of the above technical solution, the pressing unit includes an upper pressing roller and a lower pressing roller, the upper pressing roller is set as a driving roller, and the lower pressing roller is set as a driven roller.
As an improvement of the technical scheme, an elastic part is arranged between the lower compression roller and the fixed shell, and the distance between the lower compression roller and the fixed shell is adjustable.
As an improvement of the technical scheme, a spring gauge is arranged between the elastic element and the fixing shell and used for adjusting the elastic force between the elastic element and the lower pressing roller.
As an improvement of the above technical solution, the detection mechanism includes a light source disposed below the diaphragm and a light receiver disposed above the diaphragm.
As an improvement of the above technical scheme, the folding mechanism comprises a folding roller and two guide rollers, the folding roller and the two guide rollers are respectively arranged on the upper side and the lower side of the membrane, and the two guide rollers are symmetrically arranged relative to the folding roller; the folding roller extrudes towards the membrane and forms a crease on the membrane by matching with the two guide rollers.
As an improvement of the technical scheme, an arc-shaped groove is formed between the two guide rollers and is arranged at a position opposite to the folding roller, and when the membrane is extruded and folded, the membrane is pressed into the arc-shaped groove by the folding roller.
As an improvement of the technical scheme, the height of the guide roller is adjustable.
The invention has the beneficial effects that: put into the casing with the diaphragm, both ends are pressed from both sides with clamping mechanism tightly, drive detection mechanism slides, remove to the centre from both ends, it is flat with the diaphragm to both sides exhibition to open up flat unit, avoid the fold to appear in the diaphragm on the perpendicular to moving direction, the compress tightly unit flattens the diaphragm along the moving direction, avoid it to appear the fold on the moving direction, thereby make the diaphragm be in the exhibition flat state constantly on the horizontal plane, the fold can not appear, the detection element of being convenient for detects the diaphragm, reduce and detect the dead angle, and the fold can produce mechanical damage to the diaphragm, influence the normal use in diaphragm later stage, it is impaired at folding detection in-process with the flat avoidance diaphragm that can be fine of diaphragm exhibition.
Drawings
FIG. 1 is a schematic structural diagram of a reverse osmosis membrane folding device with a detection mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the area A in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along the line B-B in FIG. 2;
FIG. 5 is a schematic structural diagram of the region B in FIG. 1;
the device comprises a shell 1, a clamping mechanism 2, a detection mechanism 3, a folding mechanism 4, a fixed shell 31, an upper flattening roller 32, a lower flattening roller 33, an upper pressing roller 34, a lower pressing roller 35, a folding roller 41, a guide roller 42 and an arc-shaped groove 43.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, the reverse osmosis membrane folding device with a detection mechanism in the present embodiment includes a housing 1; the casing 1 is internally provided with:
the clamping mechanisms 2 are arranged on two sides of the shell 1 and used for clamping two ends of the diaphragm;
two detection mechanisms 3 are arranged, are arranged on two sides of the shell 1 and are connected with the shell 1 in a sliding manner;
the folding mechanism 4 is arranged between the two detection mechanisms 3, and the two detection mechanisms 3 are symmetrically arranged relative to the folding mechanism 4;
the detection mechanism 3 comprises a fixed shell 31, and a flattening unit, a pressing unit and a detection unit which are sequentially arranged along the movement direction of the fixed shell, wherein the flattening unit, the pressing unit and the detection unit are arranged inside the fixed shell 31, and the fixed shell 31 is connected with the shell 1 in a sliding manner; the flattening unit enables the diaphragm to be subjected to acting force towards two sides of the advancing direction of the detection mechanism 3, and the diaphragm is flattened towards two sides; the pressing unit is tightly attached to the membrane, and generates rolling friction force with the membrane when the pressing unit moves, so that the membrane is tightened and leveled in the advancing direction parallel to the detection mechanism 3; the detection unit detects the diaphragm which is flattened by the flattening unit and the pressing unit.
Put into casing 1 with the diaphragm, both ends are pressed from both sides tightly with clamping mechanism 2, drive detection mechanism 3 slides, remove to the centre from both ends, it is flat with the diaphragm to both sides exhibition to open up flat unit, avoid the fold to appear in the diaphragm on the perpendicular to moving direction, it flattens the diaphragm along the moving direction to compress tightly the unit, avoid it to appear the fold on the moving direction, thereby make the diaphragm be in the exhibition flat state constantly on the horizontal plane, the fold can not appear, be convenient for the detection unit detects the diaphragm, reduce and detect the dead angle, and the fold can produce mechanical damage to the diaphragm, influence the normal use in diaphragm later stage, it is impaired at folding detection in-process with the flat avoidance diaphragm that can be fine of diaphragm exhibition.
The flattening unit and the pressing unit are respectively provided with two groups and are symmetrically arranged relative to the detection unit.
Through setting up two sets of flat units of exhibition, compressing tightly the unit, all flatten, compress tightly detecting element front and back on the moving direction to guarantee that the diaphragm is in the exhibition flat state all the time, can enough guarantee the detection effect, can prevent again that the fold from appearing and impaired.
The flattening unit includes nip roll 32 and lower nip roll 33, the both ends of going up nip roll 32 and lower nip roll 33 are provided with flat screw thread of exhibition, go up nip roll 32 and set up to the right-hand thread along the left flat screw thread of exhibition of advancing direction, set up to the left-hand thread along the flat screw thread of exhibition on advancing direction right side, lower nip roll 33 sets up for the diaphragm symmetry with last nip roll 32.
When detection mechanism 3 moves for the diaphragm, go up nip roll 32 and nip roll 33 and rotate under the effect of the frictional force with the diaphragm, go up nip roll 32 and set up to the right-hand screw along the left exhibition screw thread of advancing direction, set up to the left-hand screw thread along the exhibition screw thread on advancing direction right side, nip roll 33 sets up for the diaphragm symmetry with last nip roll 32 down for go up nip roll 32 and nip roll 33 down have the reaction force to the diaphragm to both sides, thereby make the diaphragm to the flattening of both sides.
The pressing unit includes an upper pressing roller 34 and a lower pressing roller 35, the upper pressing roller 34 being provided as a driving roller, and the lower pressing roller 35 being provided as a driven roller.
The upper pressure roller 34 is driven by a motor, and when the film is pressed, the detection mechanism 3 is moved by the friction force with the film, and the film is tightened and leveled in the direction parallel to the advancing direction by the friction force of the film with the upper pressure roller 34 and the lower pressure roller 35.
An elastic piece is arranged between the lower compression roller 35 and the fixed shell 31, and the distance between the lower compression roller 35 and the fixed shell 31 is adjustable.
Thereby adjust the interval between pinch roll 34 and the lower pinch roll 35 on, adapt to the diaphragm of different thickness to and adapt to many diaphragms concurrent operation, improve work efficiency.
An elastic force meter is arranged between the elastic element and the fixed shell 31 and used for adjusting the elastic force between the elastic element and the lower pressing roller 35.
The acting force between the upper pressure roller 34, the lower pressure roller 35 and the membrane in the direction perpendicular to the membrane is adjustable, so that the friction force between the upper pressure roller 34, the lower pressure roller 35 and the membrane, namely the membrane tightening degree, is adjusted.
The detection mechanism comprises a light source arranged below the diaphragm and a light receiver arranged above the diaphragm, light emitted by the light source below the diaphragm is received by the receiver above the diaphragm, the damaged part of the diaphragm is formed, the light received by the receiver is stronger than other parts and is in Gaussian distribution, and therefore whether the position of the damaged part of the diaphragm is formed or not is identified.
The folding mechanism 4 comprises a folding roller 41 and a guide roller 42, the folding roller 41 and the guide roller 42 are respectively arranged at the upper side and the lower side of the membrane, and two guide rollers 42 are arranged and are symmetrically arranged relative to the folding roller 41; the folding roller 41 presses the film web and cooperates with the two guide rollers 42 to form a fold in the film web.
After the mechanism 3 to be detected detects the membrane, the clamping mechanism 2 loosens the membrane, the membrane is downwards extruded through the folding roller 41 and is matched with the guide roller 42, the membrane is extruded into a V shape, and therefore the membrane is naturally folded at the position after being taken out.
An arc-shaped groove 43 is arranged between the two guide rollers 42, the arc-shaped groove 43 is arranged at a position opposite to the folding roller 41, and the folding roller 41 presses the membrane into the arc-shaped groove 43 when the membrane is pressed and folded.
The length of the film which is pushed to move by the folding roller 43 is increased by arranging the arc-shaped groove 43, so that the V-shaped angle formed by the film is smaller, and the film is easier to fold.
The height of the guide roller 42 is adjustable; therefore, the angle of the V-shaped diaphragm is adjusted, the folding angle is changed according to the performances of different diaphragms, and the conditions of breakage, damage and the like are prevented.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The reverse osmosis membrane folding device with the detection mechanism comprises a shell (1); the method is characterized in that: the shell (1) is internally provided with:
the clamping mechanisms (2) are arranged on two sides of the shell (1) and are used for clamping two ends of the diaphragm;
the two detection mechanisms (3) are arranged on the two sides of the shell (1) and are connected with the shell (1) in a sliding manner;
the folding mechanism (4) is arranged between the two detection mechanisms (3), and the two detection mechanisms (3) are symmetrically arranged relative to the folding mechanism (4);
the detection mechanism (3) comprises a fixed shell (31), and a flattening unit, a pressing unit and a detection unit which are sequentially arranged along the movement direction of the fixed shell, wherein the flattening unit, the pressing unit and the detection unit are arranged in the fixed shell (31), and the fixed shell (31) is connected with the shell (1) in a sliding manner; the flattening unit enables the diaphragm to be subjected to acting force towards two sides of the advancing direction of the detection mechanism (3) and flattens the diaphragm towards two sides; the pressing unit is tightly attached to the membrane, and generates rolling friction force with the membrane when the pressing unit moves, so that the membrane is tightened and leveled in the advancing direction parallel to the detection mechanism (3); the detection unit detects the diaphragm which is flattened by the flattening unit and the pressing unit.
2. A reverse osmosis membrane folding device with detection mechanism according to claim 1 wherein: the flattening unit and the pressing unit are respectively provided with two groups and are symmetrically arranged relative to the detection unit.
3. A reverse osmosis membrane folding device with detection mechanism according to claim 1 wherein: the flattening unit includes nip roll (32) and lower nip roll (33), the both ends of going up nip roll (32) and lower nip roll (33) are provided with flat screw thread of exhibition, go up nip roll (32) and set up to the right-hand screw thread along the left flat screw thread of exhibition of direction of advance, set up to the left-hand screw thread along the flat screw thread of exhibition on direction of advance right side, lower nip roll (33) and last nip roll (32) set up for the diaphragm symmetry.
4. A reverse osmosis membrane folding device with detection mechanism according to claim 1 wherein: the pressing unit comprises an upper pressing roller (34) and a lower pressing roller (35), the upper pressing roller (34) is set to be a driving roller, and the lower pressing roller (35) is set to be a driven roller.
5. A reverse osmosis membrane folding device with a detection mechanism according to claim 4, wherein: an elastic piece is arranged between the lower pressing roller (35) and the fixed shell (31), and the distance between the lower pressing roller (35) and the fixed shell (31) is adjustable.
6. A reverse osmosis membrane folding device with a detection mechanism according to claim 5, wherein: an elastic gauge is arranged between the elastic element and the fixed shell (31) and used for adjusting the elastic force between the elastic element and the lower pressing roller (35).
7. A reverse osmosis membrane folding device with detection mechanism according to claim 1 wherein: the detection mechanism comprises a light source arranged below the membrane and a light receiver arranged above the membrane.
8. A reverse osmosis membrane folding device with detection mechanism according to claim 1 wherein: the folding mechanism (4) comprises folding rollers (41) and guide rollers (42), the folding rollers (41) and the guide rollers (42) are respectively arranged on the upper side and the lower side of the membrane, and the two guide rollers (42) are arranged and are symmetrically arranged relative to the folding rollers (41); the folding roller (41) presses the film sheet and forms a fold on the film sheet in cooperation with the two guide rollers (42).
9. A reverse osmosis membrane folding device with detection mechanism according to claim 8 wherein: an arc-shaped groove (43) is formed between the two guide rollers (42), the arc-shaped groove (43) is arranged at a position opposite to the folding roller (41), and when the membrane is extruded and folded, the folding roller (41) presses the membrane into the arc-shaped groove (43).
10. A reverse osmosis membrane folding device with detection mechanism according to claim 9 wherein: the guide roller (42) is height-adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110940930.5A CN113758870A (en) | 2021-08-17 | 2021-08-17 | Reverse osmosis membrane folding device with detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110940930.5A CN113758870A (en) | 2021-08-17 | 2021-08-17 | Reverse osmosis membrane folding device with detection mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN113758870A true CN113758870A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110940930.5A Pending CN113758870A (en) | 2021-08-17 | 2021-08-17 | Reverse osmosis membrane folding device with detection mechanism |
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| CN (1) | CN113758870A (en) |
Citations (8)
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| JP2008056260A (en) * | 2006-08-30 | 2008-03-13 | Sanko Kikai Kk | Abnormal film fold detecting device for roll-type automatic packaging machine |
| CN106629218A (en) * | 2016-11-30 | 2017-05-10 | 桐乡市凯瑞包装材料有限公司 | Air bubble film folding device |
| CN109603557A (en) * | 2018-12-25 | 2019-04-12 | 上海福赛特机器人有限公司 | A kind of folded film device and method |
| CN109823905A (en) * | 2019-01-16 | 2019-05-31 | 湖南红石智控科技有限公司 | For producing the folding machine of reverse osmosis membrane and the production system of reverse osmosis membrane |
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| CN212341045U (en) * | 2020-04-27 | 2021-01-12 | 常州星源新能源材料有限公司 | Diaphragm detection equipment |
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2021
- 2021-08-17 CN CN202110940930.5A patent/CN113758870A/en active Pending
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| JP2008056260A (en) * | 2006-08-30 | 2008-03-13 | Sanko Kikai Kk | Abnormal film fold detecting device for roll-type automatic packaging machine |
| CN106629218A (en) * | 2016-11-30 | 2017-05-10 | 桐乡市凯瑞包装材料有限公司 | Air bubble film folding device |
| CN109603557A (en) * | 2018-12-25 | 2019-04-12 | 上海福赛特机器人有限公司 | A kind of folded film device and method |
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