CN108821038B - Waterproof adhesive tape winding device for reverse osmosis functional membrane element - Google Patents
Waterproof adhesive tape winding device for reverse osmosis functional membrane element Download PDFInfo
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- CN108821038B CN108821038B CN201810785407.8A CN201810785407A CN108821038B CN 108821038 B CN108821038 B CN 108821038B CN 201810785407 A CN201810785407 A CN 201810785407A CN 108821038 B CN108821038 B CN 108821038B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a waterproof adhesive tape winding device for a reverse osmosis functional membrane element, which comprises a bottom plate, a vertical plate, a first telescopic pneumatic cylinder, an unreeling mechanism, a push roller arranged above the bottom plate and a winding mechanism arranged above the bottom plate, wherein the unreeling mechanism comprises a mandrel and a winding disc, the winding mechanism comprises a winding device positioned at one side of the bottom plate and a tightening device positioned at the other side of the bottom plate, the winding device comprises a motor fixedly connected with the bottom plate and a rotating head driven by the motor, the rotating head comprises a columnar rotator and a bolt, and the tightening device comprises a second telescopic pneumatic cylinder, a columnar prop, a bearing sleeved at the tail end of the prop, a circular tube-shaped sleeve sleeved outside the bearing, a fixed plate fixedly arranged above the bottom plate and a circular plate fixedly arranged at the tail end of the sleeve. The waterproof adhesive tape winding device for the reverse osmosis functional membrane element has low operation difficulty, high winding efficiency, difficult deviation in the winding process, difficult generation of wrinkles in the waterproof adhesive tape in the winding process and high winding qualification rate.
Description
Technical Field
The invention relates to a waterproof adhesive tape winding device for a reverse osmosis functional membrane element, and belongs to the technical field of filtration.
Background
The reverse osmosis functional membrane element is a core component in the reverse osmosis water purifier and is formed by rolling a membrane, a pure water diversion net and a raw water diversion net around a water collecting pipe, and is fixed by winding waterproof adhesive tapes on the periphery to form a cylindrical membrane element, wherein the waterproof adhesive tapes form a waterproof layer, and small holes are arranged on the water collecting pipe to collect filtered water and then discharge the filtered water from a water outlet; one end of the water collecting pipe is closed to prevent raw water entering the filter layer from entering the pipe and prevent water from flowing in; the other end of the water collecting pipe is a filtered water outlet end. Wherein the membrane is usually a Reverse Osmosis functional membrane, namely a Reverse Osmosis membrane or an RO membrane, RO is an abbreviation of Reverse Osmosis, and Chinese means Reverse Osmosis. The RO reverse osmosis membrane has small pore diameter to nanometer level, and under certain pressure, water molecules can pass through the RO membrane, and inorganic salt, heavy metal ions, organic matters, colloid, bacteria, viruses and other impurities in source water can not pass through the RO membrane, so that the permeable pure water and the impermeable concentrated water can be strictly distinguished.
At present, in the manufacturing process of the reverse osmosis functional membrane element, a membrane, a pure water diversion net and a raw water diversion net are coiled on an automatic membrane coiling machine, and then a waterproof adhesive tape is wound for fixation. The waterproof tape is wound on the automatic film winding machine, and folds or edge tilting can sometimes occur, so that the quality of the waterproof layer is easily affected. Therefore, it is necessary to re-tear the wound waterproof tape and wind a new waterproof tape. The existing automatic film winding machine cannot only wind the waterproof adhesive tape independently, so that the new waterproof adhesive tape is wound manually for the second time, the manual winding of the waterproof adhesive tape is difficult to operate, wrinkles are easily generated, and the winding qualification rate is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a waterproof adhesive tape winding device for a reverse osmosis functional membrane element, which has the following specific technical scheme:
the waterproof adhesive tape winding device for the reverse osmosis functional membrane element comprises a bottom plate, a vertical plate, a first telescopic pneumatic cylinder, an unreeling mechanism, a push roller arranged above the bottom plate and a reeling mechanism arranged above the bottom plate, wherein the lower end of the vertical plate is fixedly connected with the tail end of the bottom plate, the push roller is arranged between the reeling mechanism and the vertical plate, a first mounting hole for the telescopic end of the first telescopic pneumatic cylinder to move is formed in the vertical plate, a U-shaped roller seat is arranged outside the push roller, a roller shaft of the push roller is rotatably connected with the end part of the roller seat, and the telescopic end of the first telescopic pneumatic cylinder is fixedly connected with the middle part of the roller seat; the unreeling mechanism comprises a mandrel and a reeling disc, wherein the reeling disc comprises a sleeve sleeved outside the mandrel, two ends of the sleeve are respectively sleeved with a baffle ring, an inner ring of the baffle ring is fixedly connected with the end part of the sleeve, two ends of the reeling disc are respectively provided with a circular baffle plate, the baffle plates are sleeved outside the mandrel, the baffle plates are in threaded connection with the mandrel, two ends of the mandrel are respectively provided with a connecting plate, the head end of the connecting plate is provided with a first opening groove for the end part of the mandrel to enter and exit, the tail end of the connecting plate is fixedly connected with the upper end of a vertical plate, the outer part of the connecting plate is also provided with a nut, the nut is sleeved outside the mandrel, and the nut is in threaded connection with the mandrel; the winding mechanism comprises a winding device positioned at one side of a bottom plate and a jacking device positioned at the other side of the bottom plate, the winding device comprises a motor fixedly connected with the bottom plate and a rotating head driven by the motor, the rotating head comprises a columnar rotating body and a bolt, a first convex column is arranged at the tail end of the rotating body, the central axis of the first convex column is collinear with the central axis of the rotating body, a second convex column is arranged at the end part of the first convex column, the central axis of the second convex column and the central axis of the first convex column share 2/5 pages of lines, the cross section of the second convex column is circular, and screw holes matched with the bolt are formed in the side wall of the second convex column; the jacking device comprises a second telescopic pneumatic cylinder, a cylindrical jacking column, a bearing sleeved at the tail end of the jacking column, a circular tube-shaped sleeve sleeved outside the bearing, a fixed plate fixedly arranged above a bottom plate and a circular plate fixedly arranged at the tail end of the sleeve, wherein the telescopic end of the second telescopic pneumatic cylinder is fixedly connected with the middle part of the circular plate, a circular second mounting hole matched with the sleeve is formed in the middle part of the fixed plate, the diameter of the circular plate is larger than that of the second mounting hole, the outer ring of the bearing is fixedly connected with the inner wall of the sleeve, the inner ring of the bearing is fixedly connected with the tail end of the jacking column, a circular table-shaped convex part is arranged at the head end of the jacking column, the large end of the convex part is connected with the head end of the jacking column into a whole, and the central axis of the convex part is collinear with the central axis of the second convex column.
As an improvement of the technical scheme, the cross section of the rotating body is circular, and the cross section of the first convex column is regular hexagon; the rotary head further comprises a joint, the joint comprises a cylindrical joint body, the tail end of the joint body is provided with a regular hexagon first blind hole matched with the first convex column, the head end of the joint body is fixedly provided with a third convex column, the cross section of the third convex column is regular hexagon, the outer diameter of the joint body is larger than the side length of the third convex column, the diameter of the rotary body is larger than the side length of the first convex column, and the side length of the first convex column is larger than the diameter of the second convex column.
As an improvement of the above technical solution, the sum of the length of the first protruding pillar and the length of the second protruding pillar is smaller than the depth of the first blind hole.
As an improvement of the technical scheme, the first convex column is in clearance fit with the first blind hole.
As an improvement of the technical scheme, a circular elastic ring is further arranged between the baffle plate and the baffle ring, and the elastic ring is sleeved outside the mandrel.
The waterproof adhesive tape winding device for the reverse osmosis functional membrane element has low operation difficulty and high winding efficiency, is not easy to deviate in the winding process, is not easy to wrinkle in the winding process, and remarkably improves the winding qualification rate.
Drawings
FIG. 1 is a schematic structural view of a waterproof tape winding device for a reverse osmosis functional membrane element described in example 1;
FIG. 2 is a schematic structural view of the unreeling mechanism in embodiment 1;
FIG. 3 is a schematic view showing the connection of the connecting plate and the riser in example 1;
FIG. 4 is a schematic diagram showing the installation of the reverse osmosis membrane element and the winding mechanism in example 1;
FIG. 5 is a schematic structural diagram of the reverse osmosis functional membrane element in example 1;
FIG. 6 is an internal schematic view of the reverse osmosis functional membrane element of example 1;
FIG. 7 is a schematic view of the reverse osmosis membrane element of example 1 (side view);
FIG. 8 is a schematic structural diagram of the reverse osmosis functional membrane element in example 2;
FIG. 9 is a schematic view of the structure of the reverse osmosis membrane element in example 2 (side view state);
FIG. 10 is a schematic view showing the installation of the rotor and the reverse osmosis membrane element in example 2;
fig. 11 is a schematic diagram showing connection of the swivel, the first boss, and the second boss in embodiment 2 (side view state);
fig. 12 is a schematic diagram showing the connection of the joint body and the third post in embodiment 2 (side view);
fig. 13 is a schematic structural diagram of the first blind hole in embodiment 2.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 5 to 7, the reverse osmosis functional membrane element comprises a water collecting pipe 91 and a filtering layer 92 arranged on the outer side of the water collecting pipe 91, wherein the head/tail end of the water collecting pipe 91 is arranged on the outer side of the filtering layer 92, a partition plate 93 is fixedly arranged in the water collecting pipe 91, an inner cavity of the water collecting pipe 91 is divided into a second blind hole 94 and a third blind hole 95 by the partition plate 93, an opening of the second blind hole 94 is positioned at the head end of the water collecting pipe 91, an opening of the third blind hole 95 is positioned at the tail end of the water collecting pipe 91, a plurality of through holes 911 are formed in the side wall of the water collecting pipe 91, and the through holes 911 are communicated with the second blind hole 94; the filter layer 92 comprises a membrane layer and a waterproof layer fixedly arranged on the outer side of the membrane layer, and the membrane layer is formed by sequentially superposing and winding a raw water guide net, a reverse osmosis membrane and a pure water guide net.
In this embodiment, the second blind hole 94 and the third blind hole 95 are circular holes. The head end of the water collecting pipe 91 is provided with two second open slots 912 communicated with the third blind hole 95, wherein one second open slot 912 is positioned at one side of the water collecting pipe 91, and the other second open slot 912 is positioned at the other side of the water collecting pipe 91. In this embodiment, the structure of the reverse osmosis functional membrane element is an existing design.
As shown in fig. 1 to 4, the waterproof adhesive tape winding device for a reverse osmosis functional membrane element comprises a bottom plate 1, a vertical plate 2, a first telescopic pneumatic cylinder 3, an unreeling mechanism, a push roller 60 arranged above the bottom plate 1 and a winding mechanism 7 arranged above the bottom plate 1, wherein the lower end of the vertical plate 2 is fixedly connected with the tail end of the bottom plate 1, the push roller 60 is arranged between the winding mechanism 7 and the vertical plate 2, a first mounting hole for moving the telescopic end of the first telescopic pneumatic cylinder 3 is formed in the vertical plate 2, a U-shaped roller seat 61 is arranged outside the push roller 60, a roller shaft of the push roller 60 is rotatably connected with the end part of the roller seat 61, and the telescopic end of the first telescopic pneumatic cylinder 3 is fixedly connected with the middle part of the roller seat 61; the unreeling mechanism comprises a mandrel 51 and a reeling disc, the reeling disc comprises a sleeve 52 sleeved outside the mandrel 51, baffle rings 53 are sleeved at two ends of the sleeve 52 respectively, an inner ring of each baffle ring 53 is fixedly connected with the end part of the sleeve 52, annular baffles 55 are arranged at two ends of the reeling disc respectively, the baffles 55 are sleeved outside the mandrel 51, the baffles 55 are in threaded connection with the mandrel 51, connecting plates 56 are arranged at two ends of the mandrel 51 respectively, a first open groove 561 for the end part of the mandrel 51 to enter and exit is formed in the head end of the connecting plates 56, the tail end of the connecting plates 56 is fixedly connected with the upper end of a vertical plate 2, nuts 57 are further arranged outside the connecting plates 56, the nuts 57 are sleeved outside the mandrel 51, and the nuts 57 are in threaded connection with the mandrel 51; the winding mechanism 7 comprises a winding device positioned at one side of the bottom plate 1 and a jacking device positioned at the other side of the bottom plate 1, the winding device comprises a motor 71 fixedly connected with the bottom plate 1 and a rotating head driven by the motor 71, the rotating head comprises a columnar rotating body 72 and a bolt 75, the head end of the rotating body 72 is fixedly connected with a rotor in the motor 71, the tail end of the rotating body 72 is provided with a first convex column 73, the central axis of the first convex column 73 is collinear with the central axis of the rotating body 72, the end part of the first convex column 73 is provided with a second convex column 74, the central axis of the second convex column 74 is collinear with the central axis of the first convex column 73, the cross section of the second convex column 74 is circular, the side wall of the second convex column 74 is provided with a screw hole 741 matched with the bolt 75, and the screw hole 741 is arranged along the radial direction of the second convex column 74; the jacking device comprises a second telescopic pneumatic cylinder 81, a cylindrical jacking column 82, a bearing 83 sleeved at the tail end of the jacking column 82, a circular tube-shaped sleeve 84 sleeved outside the bearing 83, a fixed plate 85 fixedly arranged above the bottom plate 1 and a circular plate 86 fixedly arranged at the tail end of the sleeve 84, the telescopic end of the second telescopic pneumatic cylinder 81 is fixedly connected with the middle part of the circular plate 86, a circular second mounting hole matched with the sleeve 84 is formed in the middle part of the fixed plate 85, the diameter of the circular plate 86 is larger than that of the second mounting hole, the outer ring of the bearing 83 is fixedly connected with the inner wall of the sleeve 84, the inner ring of the bearing 83 is fixedly connected with the tail end of the jacking column 82, the head end of the jacking column 82 is provided with a circular truncated cone-shaped convex portion 821, the large end of the convex portion 821 is integrally connected with the head end of the jacking column 82, and the central axis of the convex portion 821 is collinear with the central axis of the second convex column 74.
If the reverse osmosis functional membrane element needs to be rewound with the waterproof adhesive tape, for convenience of description, the reverse osmosis functional membrane element rewound with the waterproof adhesive tape is simply called a to-be-machined piece, and the operation is as follows: first, 4/5 sheets of waterproof tape 54 are wound in the winding reel, the waterproof tape layer 54 in the winding reel is torn, and the waterproof tape layer 54 is unwound. And then the workpiece to be machined is mounted on the winding mechanism 7, and the specific operation is as follows: the second telescopic pneumatic cylinder 81 is started first, the telescopic end of the second telescopic pneumatic cylinder 81 performs the contraction movement, and the sleeve 84 can perform the forward and backward movement in the second mounting hole, so that the distance between the convex part 821 and the second convex column 74 becomes larger and larger, and enough distance exists between the convex part 821 and the second convex column 74 to place the water collecting pipe 91; wherein, the bolt 75 is connected with the screw hole 741 in a threaded manner so that the bolt 75 and the second convex column 74 form a cross structure, then the head end of the water collecting pipe 91 is sleeved outside the second convex column 74, the second open groove 912 just clamps the bolt 75, and the second convex column 74 and the third blind hole 95 are in clearance fit. Then, the tail end of the water collecting pipe 91 is aligned with the convex part 821, and the second telescopic pneumatic cylinder 81 is started again, so that the telescopic end of the second telescopic pneumatic cylinder 81 performs an elongation motion, which can lead the circular plate 86 to push the sleeve 84, the bearing 83 and the jacking column 82 to move together, the distance between the convex part 821 and the tail end of the water collecting pipe 91 is smaller and smaller until the small end of the convex part 821 can be inserted into the tail end of the water collecting pipe 91, and the convex part 821 can be propped against the tail end of the water collecting pipe 91 under the thrust action caused by the elongation motion performed by the telescopic end of the second telescopic pneumatic cylinder 81. Since the central axis of the protrusion 821 is collinear with the central axis of the second boss 74, the central axis of the protrusion 821, the central axis of the second boss 74, and the central axis of the water collecting pipe 91 are all positioned on the same straight line. Then, through manual traction, the end part of the waterproof adhesive tape discharged from the winding disc is attached to the side wall of a workpiece to be processed, and the first telescopic pneumatic cylinder 3 is started again, so that the telescopic end of the first telescopic pneumatic cylinder 3 performs extension movement, and the telescopic end of the first telescopic pneumatic cylinder 3 can drive the roller seat 61 to enable the push roller 60 to be closer to the workpiece to be processed until the push roller 60 can be tightly pressed against the workpiece to be processed. Finally, the motor 71 is electrified, the rotor in the motor 71 rotates to drive the rotating head to rotate, and the second convex column 74 rotates to drive the water collecting pipe 91 to rotate due to the cooperation of the second convex column 74 and the bolt 75, namely the workpiece to be processed rotates, so that the waterproof adhesive tape can be wound along the side wall of the workpiece to be processed; in this process, the shaft 82 and the boss 821 can rotate even if the sleeve 84 cannot rotate due to the bearing 83, and thus the winding operation is not affected. In the process, the winding device is adopted to wind the new waterproof adhesive tape, so that the operation difficulty is low, and the deviation is not easy to occur in the winding process; and the push roller 60 presses the waterproof adhesive tape being wound at any time, so that the adjacent waterproof adhesive tapes can be immediately and tightly fixed in the winding process, the probability of deviation is further reduced, the waterproof adhesive tape in the winding process is not easy to wrinkle, and the winding qualification rate is remarkably improved. Meanwhile, since the interval between the convex portion 821 and the second boss 74 can be adjusted as required, the water collecting pipe 91 which is too long or too short can be mounted on the winding mechanism 7; further, since the convex portion 821 has the truncated cone shape, the third blind hole 95 can be pressed tightly by the convex portion 821 even if it is increased or decreased, which can improve the overall utilization of the winding mechanism 7.
Further, a plurality of guide rods 62 are further arranged between the roller seat 61 and the vertical plate 2, the tail ends of the guide rods 62 are fixedly connected with the middle of the roller seat 61, limiting holes matched with the guide rods 62 are further formed in the vertical plate 2, and the head ends of the guide rods 62 penetrate through the limiting holes and the head ends of the guide rods 62 are located on the outer side of the vertical plate 2. The guide rod 62 is in clearance fit with the limiting hole. The guide rod 62 is matched with the limiting hole, so that the telescopic end of the first telescopic pneumatic cylinder 3 cannot deviate in the process of driving the roller seat 61 to move.
Further, a circular elastic ring 58 is further disposed between the baffle 55 and the baffle ring 53, and the elastic ring 58 is sleeved outside the mandrel 51. The elastic ring 58 may be made of rubber having excellent elasticity. The rolling mechanism 7 can drive the rolling disc to rotate due to the rotation of the workpiece to be processed, so that the waterproof adhesive tape in the rolling disc can be unreeled. In order to avoid wrinkles during the winding operation, it is necessary to keep the waterproof tape in a tight state at all times after unreeling. Because the baffle 55 is in threaded connection with the mandrel 51, the baffle 55 can be rotated to enable the elastic ring 58 to be closely attached to the baffle ring 53, the resistance of the baffle ring 53 during rotation can be improved due to the existence of the elastic ring 58, and the resistance of the baffle ring 53 during rotation becomes large, so that the waterproof adhesive tape released by the winding disc can be continuously unreeled due to the fact that larger pulling force is needed, that is, the released waterproof adhesive tape can be kept in a tight state all the time. In order to ensure that the baffle plate 55 is locked, a lock nut 551 is arranged outside the baffle plate 55, the lock nut 551 is positioned between the baffle plate 55 and the circular plate 86, the lock nut 551 is sleeved outside the core 5/5 page shaft 51, the lock nut 551 is in threaded connection with the mandrel 51, and when the lock nut 551 abuts against the baffle plate 55, the baffle plate 55 cannot rotate any more even under the action of friction force.
Example 2
In this embodiment, the reverse osmosis functional membrane element includes a water collecting pipe 91, and a filtering layer 92 disposed outside the water collecting pipe 91, wherein a head/tail end of the water collecting pipe 91 is disposed outside the filtering layer 92, a partition plate 93 is fixedly disposed inside the water collecting pipe 91, an inner cavity of the water collecting pipe 91 is partitioned into a second blind hole 94 and a third blind hole 95 by the partition plate 93, an opening of the second blind hole 94 is located at a head end of the water collecting pipe 91, an opening of the third blind hole 95 is located at a tail end of the water collecting pipe 91, a plurality of through holes 911 are disposed on a side wall of the water collecting pipe 91, and the through holes 911 are all communicated with the second blind hole 94; the filter layer 92 comprises a membrane layer and a waterproof layer fixedly arranged on the outer side of the membrane layer, and the membrane layer is formed by sequentially superposing and winding a raw water guide net, a reverse osmosis membrane and a pure water guide net. Wherein the second blind hole 94 is a circular hole.
Because of the different structures of the reverse osmosis water purifiers designed by different manufacturers, water collecting pipes 91 with other structures are also available on the market; for example, in this embodiment, the head end of the header 91 remains intact, and the second open channel 912 is absent; for facilitating the rotation of the water collection pipe 91, the third blind hole 95 is designed as a regular hexagon, as shown in fig. 8 and 9.
As shown in fig. 10-13, is a coordinated rotation; the cross section of the swivel 72 is circular, and the cross section of the first convex column 73 is regular hexagon; the rotary head further comprises a joint, the joint comprises a cylindrical joint body 76, a regular hexagon first blind hole 761 matched with the first convex column 73 is formed in the tail end of the joint body 76, a third convex column 77 is fixedly arranged at the head end of the joint body 76, the cross section of the third convex column 77 is regular hexagon, the outer diameter of the joint body 76 is larger than the side length of the third convex column 77, the diameter of the rotary body 72 is larger than the side length of the first convex column 73, and the side length of the first convex column 73 is larger than the diameter of the second convex column 74.
At this time, the bolt 75 needs to be separated from the screw hole 741, and then the first blind hole 761 in the connector body 76 is sleeved outside the first boss 73; further, the sum of the length of the first protruding pillar 73 and the length of the second protruding pillar 74 is smaller than the depth of the first blind hole 761. This enables the second boss 74 and the first boss 73 to be accommodated by the first blind hole 761. Since the cross section of the third protruding column 77 is regular hexagon, the third protruding column 77 is inserted into the third blind hole 95, and the third protruding column 77 and the third blind hole 95 are in clearance fit. The cross section of the first boss 73 is regular hexagon, the first blind hole 761 is also regular hexagon, so that the rotation of the rotator 72 drives the rotation of the connector, and the rotation of the connector drives the rotation of the water collecting pipe 91, so that the winding operation can be performed.
Further, for easy installation; the first protrusion 73 is in clearance fit with the first blind hole 761.
In the embodiment, the reverse osmosis functional membrane element has low operation difficulty and high winding efficiency, is not easy to deviate in the winding process, is not easy to wrinkle in the waterproof adhesive tape in the winding process, and remarkably improves the winding qualification rate; meanwhile, the reverse osmosis functional membrane element has high comprehensive utilization rate.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The utility model provides a waterproof sticky tape coiling mechanism for reverse osmosis functional membrane element which characterized in that: the novel rolling machine comprises a bottom plate (1), a vertical plate (2), a first telescopic pneumatic cylinder (3), an unreeling mechanism, a push roller (60) arranged above the bottom plate (1) and a rolling mechanism (7) arranged above the bottom plate (1), wherein the lower end of the vertical plate (2) is fixedly connected with the tail end of the bottom plate (1), the push roller (60) is arranged between the rolling mechanism (7) and the vertical plate (2), a first mounting hole for the telescopic end of the first telescopic pneumatic cylinder (3) to move is formed in the vertical plate (2), a U-shaped roller seat (61) is arranged outside the push roller (60), a roller shaft of the push roller (60) is rotatably connected with the end part of the roller seat (61), and the telescopic end of the first telescopic pneumatic cylinder (3) is fixedly connected with the middle part of the roller seat (61). The unreeling mechanism comprises a mandrel (51) and a reeling disc, the reeling disc comprises a sleeve (52) sleeved outside the mandrel (51), baffle rings (53) are sleeved at two ends of the sleeve (52) respectively, an inner ring of each baffle ring (53) is fixedly connected with the end part of the sleeve (52), annular baffles (55) are further arranged at two ends of the reeling disc respectively, the baffles (55) are sleeved outside the mandrel (51), the baffles (55) are in threaded connection with the mandrel (51), connecting plates (56) are arranged at two ends of the mandrel (51) respectively, a first open slot (561) for the end part of the mandrel (51) to enter and exit is formed in the head end of each connecting plate (56), the tail end of each connecting plate (56) is fixedly connected with the upper end of a riser (2), nuts (57) are further arranged outside the connecting plates (56), the nuts (57) are sleeved outside the mandrel (51), and the nuts (57) are in threaded connection with the mandrel (51); the winding mechanism (7) comprises a winding device positioned on one side of the bottom plate (1) and a tightening device positioned on the other side of the bottom plate (1), wherein the winding device comprises a motor (71) fixedly connected with the bottom plate (1) and a rotating head driven by the motor (71), the rotating head comprises a columnar rotating body (72) and a bolt (75), a first convex column (73) is arranged at the tail end of the rotating body (72), the central axis of the first convex column (73) is collinear with the central axis of the rotating body (72), a second convex column (74) is arranged at the end part of the first convex column (73), the central axis of the second convex column (74) is collinear with the central axis of the first convex column (73), the cross section of the second convex column (74) is circular, and a screw hole (741) matched with the bolt (75) is formed in the side wall of the second convex column (74). The jacking device comprises a second telescopic pneumatic cylinder (81), a cylindrical jacking column (82), a bearing (83) sleeved at the tail end of the jacking column (82), a circular pipe-shaped sleeve (84) sleeved outside the bearing (83), a fixed plate (85) fixedly arranged above the bottom plate (1) and a circular plate (86) fixedly arranged at the tail end of the sleeve (84), the telescopic end of the second telescopic pneumatic cylinder (81) is fixedly connected with the middle part of the circular plate (86), a circular second mounting hole matched with the sleeve (84) is formed in the middle part of the fixed plate (85), the diameter of the circular plate (86) is larger than that of the second mounting hole, the outer ring of the bearing (83) is fixedly connected with the inner wall of the sleeve (84), the inner ring of the bearing (83) is fixedly connected with the tail end of the jacking column (82), the head end of the jacking column (82) is provided with a circular convex part (821), and the large end of the convex part (821) is connected with the head end of the jacking column (82) into a whole, and the central axis of the convex part (821) is collinear with the central axis (74) of the second convex column. The cross section of the swivel (72) is circular, and the cross section of the first convex column (73) is regular hexagon; the rotary head further comprises a joint, the joint comprises a cylindrical joint body (76), a regular hexagon first blind hole (761) which is matched with the first convex column (73) is formed in the tail end of the joint body (76), a third convex column (77) is fixedly arranged at the head end of the joint body (76), the cross section of the third convex column (77) is regular hexagon, the outer diameter of the joint body (76) is larger than the side length of the third convex column (77), the diameter of the rotary body (72) is larger than the side length of the first convex column (73), and the side length of the first convex column (73) is larger than the diameter of the second convex column (74); the sum of the length of the first convex column (73) and the length of the second convex column (74) is smaller than the depth of the first blind hole (761), and the first convex column (73) and the first blind hole (761) are in clearance fit.
2. The waterproof tape winding device for a reverse osmosis functional membrane element according to claim 1, characterized in that: a circular elastic ring (58) is further arranged between the baffle plate (55) and the baffle ring (53), and the elastic ring (58) is sleeved outside the mandrel (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108821038A (en) | 2018-11-16 |
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