Membrane filament tension detection device of immersion type ultrafiltration membrane

By designing a membrane fiber tension detection device for immersed ultrafiltration membranes, using a locking cylinder, an electric push rod and a tension sensor, the problems of low efficiency and high number of tests of the existing membrane fiber testing device are solved, and efficient membrane fiber testing is achieved. Tensile strength testing.

CN222384555UActive Publication Date: 2025-01-24BEIJING XINTOU SHIYUAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421056950.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-24
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The existing membrane wire testing devices are inefficient and require a lot of testing to obtain an accurate average value. The large length of the membrane wire affects the fixing and locking of the fixing and locking of the fixing.

Method used

Design a membrane yarn tension detection device for immersed ultrafiltration membranes. By pulling the membrane yarn out from the outside of the unwinding roller, and wrapping it around the arc groove on the winding roller, a locking cylinder, an electric push rod and a tension sensor are used. , to realize the detection and calculation of membrane fiber tension.

Benefits of technology

A batch detection of the tensile strength of the membrane is realized, the test efficiency is improved, the number of tests is reduced, and the problem of the fixed fixture of the membrane wire is solved.

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Abstract

The utility model is applicable to the field of detection equipment, and provides a membrane filament tension detection device of an immersion type ultrafiltration membrane, which comprises a base plate and a locking cylinder, the base plate and the locking cylinder are fixedly arranged, the front end of the locking cylinder is rotatably provided with a torsion round tube, and the torsion round tube is connected to a torsion mechanism; a telescopic column is slidably inserted into the torsion round pipe in a penetrating mode, and a guide groove mechanism is arranged between the torsion round pipe and the telescopic column. When the membrane filament winding device is used, membrane filaments wind around three groups of arc-shaped grooves and then are wound on the winding roller, at the moment, the locking air cylinder drives the locking square rod to stretch into the locking square opening to fix the discharging roller and the winding roller, and the electric push rod drives the telescopic column to contract towards the interior of the torsion round pipe; the expansion tiles on the outer sides of the torsion round pipe and the telescopic column expand towards the outer side, then the membrane filaments on the outer sides of the expansion tiles are subjected to tension, the tension sensor on the output rod of the electric push rod can calculate the tension of the membrane filaments, and therefore the function of batch detection is achieved.
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Description

Technical Field

[0001] The utility model belongs to the field of detection equipment, and particularly relates to a membrane wire tension detection device for an immersed ultrafiltration membrane. Background Art

[0002] With the development of industrial technology, modern testing equipment technology has become more and more perfect. The interior of the ultrafiltration membrane is composed of many membrane filaments. These membrane filaments need to be tested during production. The previous membrane filament testing device can only test one membrane filament at a time, which will make the test inefficient.

[0003] Secondly, the membrane wire needs to undergo a large number of tests to obtain an accurate average value, and the relatively long length of the membrane wire will also affect the fixation and locking of the membrane wire clamp. Summary of the invention

[0004] The purpose of the utility model is to address the deficiencies in the prior art and to provide a membrane filament tension detection device for an immersed ultrafiltration membrane. When the device is in use, the membrane filament is pulled out from the outside of a discharge roller, and the membrane filament is wound around three groups of arc grooves before being wound around a winding roller. At this time, a locking cylinder drives a locking square rod to extend into the locking square opening to fix the discharge roller and the winding roller, and an electric push rod drives the telescopic column to contract into a torsion tube, and the expansion tiles on the outside of the torsion tube and the telescopic column will expand outward, and then the membrane filament on the outside of the expansion tile will be subjected to tension, and the tension sensor on the output rod of the electric push rod will calculate the tension of the membrane filament, thereby achieving the effect of batch detection of the tensile strength of the membrane filament, thereby solving the problems mentioned in the background technology.

[0005] In order to solve the above problems, the utility model provides the following technical solutions: a membrane wire tension detection device for an immersed ultrafiltration membrane, comprising a base plate and a locking cylinder, the base plate and the locking cylinder are both fixedly arranged, a torsion tube is rotatably arranged at the front end of the locking cylinder, and the torsion tube is connected to a torsion mechanism; a telescopic column is slidably inserted into the interior of the torsion tube, and a guide groove mechanism is arranged between the torsion tube and the telescopic column; three expansion shoes are arranged on the outside of the torsion tube, three groups of tilting rods and expansion rods are arranged between the torsion tube and the expansion shoes, the middle parts of the tilting rod and the expansion rod are hinged together, and the bottom end of the expansion rod is connected to the outer wall of the torsion tube through a fixed hinge block. The top of the expansion rod is connected to the front of the expansion tile through a lifting hinge block, and the bottom end of the tilting rod is connected to the side wall of the telescopic column through a translation hinge block. A sliding rod is provided at the top of the tilting rod, and a clamping groove is provided at the back of the expansion tile. The sliding rod is inserted into the clamping groove, and the axis of the telescopic column is connected to the pulling mechanism; six arc grooves are provided on the outside of the expansion tile, and two axis plates are provided at the top of the base plate, a discharge rod is rotatably provided on one side of the left end axis plate, and a winding rod is rotatably provided on one side of the right end axis plate, and six membrane wires are pulled out from the outside of the discharge rod, and the membrane wire is wound around the winding rod after passing through three groups of arc grooves, and a fixing mechanism is provided at the ends of the discharge rod and the winding rod.

[0006] Furthermore, the torsion mechanism includes a carrier motor at the top of the base plate, a driving wheel disc is installed at the output end of the carrier motor, a driven wheel disc is arranged on the outer side of the torque tube, and the driving wheel disc and the driven wheel disc are connected by a driving belt.

[0007] Furthermore, the diameter ratio between the driving wheel disc and the driven wheel disc is two to five.

[0008] Furthermore, the guide groove mechanism includes clamping strips on the left and right sides of the telescopic column, and a slide groove matching the clamping strip is arranged on the inner side wall of the torsion tube, and organic oil is applied between the slide groove and the clamping strip.

[0009] Furthermore, the pulling mechanism includes an electric push rod at the rear end of the fixed frame, a bearing is provided on the output rod of the electric push rod, an inner ring of the bearing is fixedly connected to the output rod of the electric push rod, an interpenetrating shaft is provided at the axis of the telescopic column, an end face of the interpenetrating shaft is fixedly connected to the outer ring of the bearing, and a tension detector is provided on the output rod of the electric push rod.

[0010] Furthermore, the fixing mechanism includes two locking cylinders at the top of the base plate, the output ends of the locking cylinders are provided with locking square rods, and the ports of the unwinding roller and the winding roller are both provided with locking square openings matching the locking square rods.

[0011] Furthermore, the length and width of the locking square opening are one millimeter greater than the length and width of the locking square rod, and the edge of the locking square opening is provided with a circular arc chamfer.

[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0013] Firstly, when the device is in use, the membrane wire is pulled out from the outside of the unloading roller, and the membrane wire is wound around the three sets of arc grooves and then wound around the winding roller. At this time, the locking cylinder drives the locking square rod to extend into the locking square mouth to fix the unloading roller and the winding roller. The electric push rod drives the telescopic column to retract into the torsion tube, and the expansion tiles on the outside of the torsion tube and the telescopic column will expand outward, and then the membrane wire on the outside of the expansion tiles will be subjected to tension. The tension sensor on the output rod of the electric push rod will calculate the tension of the membrane wire, thereby achieving the effect of batch detection of the tensile strength of the membrane wire.

[0014] Secondly, the locking cylinder drives the locking square rod to be pulled out from the locking square mouth, and the unloading roller and the winding roller can move freely. The carrying motor drives the driven wheel to rotate through the driving wheel and the driving belt. The torque tube rotates synchronously with the driven wheel, and then the membrane wire that has been inspected will be wound onto the winding roller, and the membrane wire that has not been inspected on the unloading roller will reach the inspection station, achieving the effect of multiple inspections. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front view of the utility model.

[0016] Figure 2 It is a schematic diagram of the locking cylinder of the utility model.

[0017] Figure 3 It is a schematic diagram of the side view of the utility model.

[0018] Figure 4 It is a schematic diagram of a cross-section of the utility model.

[0019] Figure 5 It is a schematic diagram of the bearing of the utility model.

[0020] Figure 6 It is a schematic diagram of the expansion tile of the utility model.

[0021] Figure 7 It is a schematic diagram of the tilting lever of the utility model.

[0022] Description of reference numerals:

[0023] Base plate 1, shaft plate 101, unloading rod 102, winding rod 103, locking square mouth 104, servo motor 105, locking cylinder 2, locking square rod 201, fixed frame 3, torque round tube 4, telescopic column 5, snap-in strip 501, translation hinge block 502, expansion shoe 6, arc groove 601, inserted shaft 602, snap-in groove 603, membrane wire 7, tilting rod 8, expansion rod 9, lifting hinge block 901, carrying motor 10, driving wheel 1001, driving belt 1002, driven wheel 1003, electric push rod 11, bearing 1101. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] The utility model provides a device for detecting the tension of a membrane wire of an immersed ultrafiltration membrane. Figure 1-7As shown, it includes a base plate 1 and a locking cylinder 2, the base plate 1 and the locking cylinder 2 are both fixedly arranged, the front end of the locking cylinder 2 is rotatably provided with a torsion tube 4, and the torsion tube 4 is connected to the torsion mechanism; a telescopic column 5 is slidably inserted into the interior of the torsion tube 4, and a guide groove mechanism is arranged between the torsion tube 4 and the telescopic column 5; three expansion tiles 6 are arranged on the outside of the torsion tube 4, and three groups of tilting rods 8 and expansion rods are arranged between the torsion tube 4 and the expansion tiles 6. 9, the middle parts of the tilting rod 8 and the expansion rod 9 are hinged together, the bottom end of the expansion rod 9 is connected to the outer wall of the torsion tube 4 through a fixed hinge block, the top end of the expansion rod 9 is connected to the front of the expansion tile 6 through a lifting hinge block 901, the bottom end of the tilting rod 8 is connected to the side wall of the telescopic column 5 through a translation hinge block 502, the top end of the tilting rod 8 is provided with a sliding rod, and the back of the expansion tile 6 is provided with a clamping groove 603, the sliding rod is inserted in the clamping groove 603, and the expansion tile 6 is provided with a clamping groove 603. The axis of the shrink column 5 is connected to the pulling mechanism; six arc grooves 601 are arranged on the outer side of the expansion shoe 6, and two shaft plates 101 are arranged on the top of the base plate 1, and a discharge roller 102 is rotatably arranged on one side of the left end shaft plate 101, and a winding roller 103 is rotatably arranged on one side of the right end shaft plate 101. Six membrane wires 7 are pulled out from the outer side of the discharge roller 102, and the membrane wires 7 are wound around the winding roller 103 after passing through the three groups of arc grooves 601. The discharge roller 102 and the winding roller 1 The end of 03 is provided with a fixing mechanism, which pulls the membrane filament 7 out from the outside of the discharge roller 102. The membrane filament 7 passes through the three groups of arc grooves 601 and then is wound around the winding roller 103. The telescopic column 5 contracts into the torsion tube 4. The expansion shoe 6 on the outside of the torsion tube 4 and the telescopic column 5 will expand outward, and then the membrane filament on the outside of the expansion shoe 6 will be subjected to tension. The staff observes whether the membrane filament 7 is broken or stretched, and then unqualified membrane filament 7 can be detected.

[0027] The torsion mechanism includes a carrier motor 10 at the top of the base plate 1, and a driving wheel 1001 is installed at the output end of the carrier motor 10. A driven wheel 1003 is arranged on the outer side of the torque tube 4. The driving wheel 1001 and the driven wheel 1003 are connected by a driving belt 1002. The carrier motor 10 drives the driven wheel 1003 to rotate through the driving wheel 1001 and the driving belt 1002. The torque tube 1 rotates synchronously with the driven wheel 1003, and then the membrane wire 7 that has been inspected will be wound onto the winding roller 103, and the membrane wire 7 that has not been inspected on the discharge roller 102 will reach the inspection station, thereby achieving the effect of multiple inspections.

[0028] The diameter ratio between the driving wheel 1001 and the driven wheel 1003 is 2 to 5. The staff can replace the driving wheel 1001 with different diameters according to the actual processing conditions, and the pulling force of the carrying motor 10 on the membrane filament 7 will also be adjusted.

[0029] The guide groove mechanism includes a clamping strip 501 on the left and right sides of the telescopic column 5. A slide groove matching the clamping strip 501 is provided on the inner side wall of the torsion tube 4. Organic oil is applied between the slide groove and the clamping strip 501. The cooperation between the slide groove and the clamping strip 501 can prevent the torsion tube 4 and the telescopic column 5 from rotating relative to each other.

[0030] The pulling mechanism includes an electric push rod 11 at the rear end of the fixed frame 3, and a bearing 1101 is arranged on the output rod of the electric push rod 11, and the inner ring of the bearing 1101 is fixedly connected to the output rod of the electric push rod 11, and an insertion shaft 602 is arranged at the axis of the telescopic column 5, and the end face of the insertion shaft 602 is fixedly connected to the outer ring of the bearing 1101, and a tension detector is arranged on the output rod of the electric push rod 11, and the electric push rod 11 drives the telescopic column 5 to contract into the torque tube 4, and the tension sensor on the output rod of the electric push rod 10 will calculate the tension of the membrane wire 7.

[0031] The fixing mechanism includes two locking cylinders 2 at the top of the base plate 1, and a locking square rod 201 is provided at the output end of the locking cylinder 2. The ports of the unloading rod 102 and the winding rod 103 are both provided with locking square openings 104 matching the locking square rod 201. The locking cylinder 2 drives the locking square rod 201 to extend into the locking square opening 104 to fix the unloading rod 102 and the winding rod 103. The locking cylinder 2 drives the locking square rod 201 to be pulled out of the locking square opening 104, and the unloading rod 102 and the winding rod 103 can move freely.

[0032] The length and width of the locking square opening 104 are one millimeter greater than the length and width of the locking square rod 201 . The edge of the locking square opening 104 is provided with a circular chamfer, which allows the locking square rod 201 to be more easily inserted into the locking square opening 104 .

[0033] Working principle: the membrane wire 7 is pulled out from the outside of the discharge roller 102, and the membrane wire 7 is wound around the three groups of arc grooves 601 and then wound on the winding roller 103. The telescopic column 5 contracts into the torsion tube 4, and the expansion shoe 6 on the outside of the torsion tube 4 and the telescopic column 5 will expand outward, and then the membrane wire on the outside of the expansion shoe 6 will be subjected to tension. The staff observes whether the membrane wire 7 is broken or stretched, and then unqualified membrane wire 7 can be detected. The transport motor 10 drives the driven wheel 1003 to rotate through the driving wheel 1001 and the driving belt 1002, and the torque tube 1 rotates synchronously with the driven wheel 1003, and then the membrane wire 7 that has been tested will be wound onto the winding roller 103, and the membrane wire 7 that has not been tested on the discharge roller 102 will reach the testing station, realizing multiple tests. In order to achieve the desired effect, the staff will replace the driving wheel 1001 of different diameters according to the actual processing situation, and then the pulling force of the carrying motor 10 on the membrane wire 7 will also be adjusted. The cooperation between the slide groove and the card strip 501 can prevent the relative rotation of the torsion tube 4 and the telescopic column 5. The electric push rod 11 drives the telescopic column 5 to shrink into the torsion tube 4. The tension sensor on the output rod of the electric push rod 10 will calculate the tension of the membrane wire 7. The locking cylinder 2 drives the locking square rod 201 to extend into the locking square opening 104 to fix the discharge rod 102 and the winding rod 103. The locking cylinder 2 drives the locking square rod 201 to be pulled out of the locking square opening 104, and the discharge rod 102 and the winding rod 103 can move freely. The arc chamfer can make the locking square rod 201 easier to insert into the locking square opening 104.

[0034] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0035] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0036] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A membrane tension detection device for an immersed ultrafiltration membrane, characterized in that: It comprises a base plate (1) and a locking cylinder (2), wherein the base plate (1) and the locking cylinder (2) are both fixedly arranged, and a torsion circular tube (4) is rotatably arranged at the front end of the locking cylinder (2), and the torsion circular tube (4) is connected to a torsion mechanism; A telescopic column (5) is slidably inserted into the interior of the torsion circular tube (4), and a guide groove mechanism is provided between the torsion circular tube (4) and the telescopic column (5); Three expansion shoes (6) are arranged on the outer side of the torsion tube (4), and three groups of tilting rods (8) and expansion rods (9) are arranged between the torsion tube (4) and the expansion shoe (6). The middle parts of the tilting rod (8) and the expansion rod (9) are hinged together. The bottom end of the expansion rod (9) is connected to the outer wall of the torsion tube (4) through a fixed hinge block, and the top end of the expansion rod (9) is connected to the front of the expansion shoe (6) through a lifting hinge block (901). The bottom end of the tilting rod (8) is connected to the side wall of the telescopic column (5) through a translation hinge block (502). A sliding rod is arranged at the top of the tilting rod (8), and a clamping groove (603) is arranged at the rear of the expansion shoe (6). The sliding rod is inserted into the clamping groove (603), and the axis of the telescopic column (5) is connected to the pulling mechanism; The outer side of the expansion pad (6) is provided with six arc grooves (601), the top of the base plate (1) is provided with two shaft plates (101), one side of the left end shaft plate (101) is rotatably provided with a discharge roller (102), and one side of the right end shaft plate (101) is rotatably provided with a winding roller (103), six membrane filaments (7) are drawn out from the outer side of the discharge roller (102), and the membrane filaments (7) are wound around the winding roller (103) after passing through three groups of arc grooves (601), and the ends of the discharge roller (102) and the winding roller (103) are provided with fixing mechanisms.

2. The device for detecting the tension of a membrane fiber of an immersed ultrafiltration membrane according to claim 1, characterized in that: The torsion mechanism comprises a carrier motor (10) at the top of a base plate (1), a driving wheel disc (1001) being installed at the output end of the carrier motor (10), a driven wheel disc (1003) being arranged on the outer side of the torque tube (4), and the driving wheel disc (1001) and the driven wheel disc (1003) being connected via a driving belt (1002).

3. The membrane tension detection device for an immersed ultrafiltration membrane according to claim 2, characterized in that: The diameter ratio between the driving wheel disc (1001) and the driven wheel disc (1003) is two to five.

4. The device for detecting the tension of a membrane fiber of an immersed ultrafiltration membrane according to claim 1, characterized in that: The guide groove mechanism comprises clamping strips (501) on the left and right sides of the telescopic column (5); a slide groove matching the clamping strip (501) is provided on the inner side wall of the torsion tube (4); and organic oil is applied between the slide groove and the clamping strip (501).

5. The device for detecting the membrane tension of an immersed ultrafiltration membrane according to claim 1, characterized in that: The pulling mechanism comprises an electric push rod (11) at the rear end of the fixed frame (3); a bearing (1101) is provided on the output rod of the electric push rod (11); an inner ring of the bearing (1101) is fixedly connected to the output rod of the electric push rod (11); an interpenetrating shaft (602) is provided at the axis of the telescopic column (5); an end surface of the interpenetrating shaft (602) is fixedly connected to the outer ring of the bearing (1101); and a tension detector is provided on the output rod of the electric push rod (11).

6. The device for detecting the tension of a membrane fiber of an immersed ultrafiltration membrane according to claim 1, characterized in that: The fixing mechanism comprises two locking cylinders (2) at the top of the base plate (1), the output ends of the locking cylinders (2) are provided with locking square rods (201), and the ports of the unwinding roller (102) and the winding roller (103) are both provided with locking square ports (104) matching the locking square rods (201).

7. The device for detecting the membrane tension of an immersed ultrafiltration membrane according to claim 6, characterized in that: The length and width of the locking square opening (104) are one millimeter greater than the length and width of the locking square rod (201), and the edge of the end of the locking square opening (104) is provided with a circular arc chamfer.

Citation Information

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