Performance testing device for hollow fiber membrane silk

Abstract

The utility model discloses a hollow fiber membrane yarn performance testing device which comprises a left shell, a right shell and a middle shell, and the left shell and the right shell are detachably connected to the two ends of the middle shell through threads respectively. A left sealing end is installed in the left shell, and a right sealing end is installed in the right shell. The left sealing end head and the right sealing end head respectively clamp two ends of a hollow fiber membrane filament to be detected, and test is carried out in a test cavity formed by the left shell, the right shell and the middle shell. According to the testing device, through the combination of the left shell, the right shell and the middle shell which are different in size, the testing device can be matched with hollow fiber membrane filaments different in length for performance testing, and the device can simply and rapidly fix the hollow fiber membrane filaments and form sealing; and the left sealing end and the right sealing end are locked and sealed in an internal pulling and external pressing manner, so that the detection speed and accuracy of the performance are improved, a guarantee is provided for management and control of the membrane filament quality in the production process, and the product quality and the market competitiveness are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high polymer hollow fiber membrane performance detection technical field, especially in a kind of hollow fiber membrane silk performance testing device. BACKGROUND

[0002] When hollow fiber membrane is put into production on line, it needs to be tested according to corresponding standard to judge whether the produced membrane silk meets the use requirement, and the membrane silk meeting the requirement can be used to make assembly and put into use. In the past, a small amount of hollow fiber membrane silk is poured to make hollow fiber assembly, and the quality of membrane silk is judged by testing the performance of assembly. However, the glue needs to be cured for a certain time, so the test sample needs to be prepared in advance, thus affecting the timeliness of detection and failing to meet the need of rapid detection of membrane silk performance on production line. The faster the membrane performance is detected, the more quickly the quality control reaction of production process is, and the more stable the performance and quality of membrane are.

[0003] The existing hollow fiber membrane silk detection device, such as the one disclosed in patent numbers CN204522777U and CN221244661U, is to bend the membrane silk and fix and seal two ends in the same end, but the packaging is not necessarily firm due to the limitation of structure, and the length of membrane silk measured each time cannot be freely adjusted. Therefore, the existing performance detection device for hollow fiber membrane silk is complex to operate and low in efficiency when used. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of hollow fiber membrane silk performance testing device to solve the defects of the existing hollow fiber membrane silk detection device.

[0005] To solve the above technical problems, the utility model provides a kind of hollow fiber membrane silk performance testing device, including left shell, right shell and middle shell, the left shell and the right shell are respectively connected to the middle shell two ends by thread detachably;

[0006] Left sealing end head is installed in the left shell, and right sealing end head is installed in the right shell;

[0007] The left sealing end head and the right sealing end head respectively clamp two ends of the hollow fiber membrane silk to be detected, and test in the test cavity formed by the left shell, the right shell and the middle shell.

[0008] Preferably, the left sealing end head includes left double-thread joint and left needle head coaxially installed in the left double-thread joint, the left needle head is inserted into the left end of the hollow fiber membrane silk, and the hollow fiber membrane silk is pressed and mounted in the left double-thread joint by left screw cover.

[0009] Preferably, the left sealing head further comprises a left rubber pad, which is sleeved and mounted between the hollow fiber membrane wire and the left screw cover.

[0010] Preferably, the left rubber pad is provided with a left clamping hole along the central axis, so that the left end of the hollow fiber membrane wire is sleeved and clamped; and the left rubber pad is provided with an outer conical surface, which is matched with an inner conical surface of the left screw cover; when the left screw cover is rotated and moved along the central axis, the left rubber pad is pressed and covers to clamp and fix the left end of the hollow fiber membrane wire.

[0011] Preferably, the left rubber pad is provided with a left locking groove in the side wall, so that the space of the left clamping hole is reduced under the action of the left screw cover, thereby clamping and fixing the left end of the hollow fiber membrane wire.

[0012] Preferably, the left double-thread joint is provided with a locking nut at the end away from the left screw cover, so that the left sealing head is locked by the locking nut; and the left double-thread joint and the left shell are sealingly connected through a left sealing ring.

[0013] Preferably, the right double-thread joint of the right sealing head is provided with a threaded sleeve, so that the right sealing head is locked by the threaded sleeve; and the right double-thread joint and the right shell are sealingly connected through a right sealing ring.

[0014] Preferably, at least one pressure gauge interface is provided on the left shell, the right shell or the middle shell, so as to install a pressure gauge to detect the pressure inside the test cavity.

[0015] Compared with the prior art, the hollow fiber membrane wire performance testing device has the following beneficial effects:

[0016] The hollow fiber membrane wire performance testing device can adapt to hollow fiber membrane wires with different lengths for performance testing through the combination of left shells, right shells and middle shells with different sizes. The device can simply and quickly fix the hollow fiber membrane wire and form a seal. The left sealing head and the right sealing head are respectively locked and sealed by internal pulling and external pressing, thereby improving the detection speed and accuracy of performance, providing guarantee for the quality control of the membrane wire in the production process, and improving the product quality and market competitiveness. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of a hollow fiber membrane wire performance testing device provided by the utility model;

[0018] Figure 2 is a structural schematic view of a hollow fiber membrane wire performance testing device provided by the utility model;

[0019] Figure 3 is a structural schematic view of a left sealing head provided by the utility model.

[0020] Figure 4 is the front view of the left rubber pad provided by the utility model;

[0021] Figure 5 is the side view of the left rubber pad provided by the utility model;

[0022] Figure 6 is the structural schematic view of the left screw cover provided by the utility model.

[0023] In the figure: 1, left shell; 2, right shell; 3, middle shell; 4, left sealing end head; 5, right sealing end head; 6, pressure gauge interface; 100, hollow fiber membrane wire; 41, left double thread joint; 42, left needle head; 43, left screw cover; 44, left rubber pad; 45, locking nut; 46, left sealing ring; 441, left clamping hole; 442, outer conical surface; 443, left locking groove; 431, inner conical surface; 51, right double thread joint; 52, threaded sleeve; 53, right sealing ring. DETAILED DESCRIPTION

[0024] The utility model will be made further detailed description in combination with the drawings and specific embodiments. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that the drawings all adopt very simplified form and all use non-precise proportion, only to facilitate, clear and assist the purpose of describing the embodiment of the utility model.

[0025] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0026] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connect '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside intercommunication, for ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model through specific situation. Embodiment

[0027] The utility model provides a kind of hollow fiber membrane silk performance testing device, please refer to Figure 1 Including left shell 1, right shell 2 and middle shell 3, the left shell 1 and the right shell 2 are respectively detachably connected in the middle shell 3 two ends by thread;The hollow fiber membrane silk performance testing device can be adapted to the performance test of hollow fiber membrane silk of different lengths by the combination of left shell 1, right shell 2 and middle shell 3 of different sizes.

[0028] Left sealing end 4 is installed in the left shell 1, and right sealing end 5 is installed in the right shell 2;Left sealing end 4 and right sealing end 5 respectively hold the two ends of the hollow fiber membrane silk 100 to be detected, and test in the test cavity formed by the left shell 1, the right shell 2 and the middle shell 3.

[0029] Specifically, as shown in Figure 2 And Figure 3 Left sealing end 4 includes left double-thread joint 41 and left needle head 42 coaxially installed in left double-thread joint 41, left needle head 42 is inserted into the left end of hollow fiber membrane silk 100, and hollow fiber membrane silk 100 is pressed into the inside of left double-thread joint 41 by left screw cap 43. At least one pressure gauge interface 6 is provided on the left shell 1, right shell 2 or middle shell 3, for installing pressure gauge, detecting the pressure inside test cavity.

[0030] Further, left sealing end 4 also includes left rubber pad 44, and left rubber pad 44 is installed between hollow fiber membrane silk 100 and left screw cap 43.

[0031] And, as shown in Figures 4-6 Left rubber pad 44 is provided with left clamping hole 441 along central axis, so that left end of hollow fiber membrane silk 100 is clamped by being sleeved, and outer conical surface 442 is provided on left rubber pad 44, which is matched with inner conical surface 431 of left screw cap 43;When rotating left screw cap 43 moves along central axis, left rubber pad 44 is pressed to clamp and fix the left end of hollow fiber membrane silk 100.

[0032] Further, the left rubber pad 44 side wall is provided with a left locking groove 443, under the action of the left screw cap 43, the space of the left clamping hole 441 is reduced, so as to clamp and fix the left end of the hollow fiber membrane wire 100.

[0033] Specifically, the left double threaded joint 41 is provided with a locking nut 45 at one end away from the left screw cap 43, the left sealing head 4 is locked by pulling inside the locking nut 45; and the left double threaded joint 41 and the left shell 1 are sealed and connected through a left sealing ring 46.

[0034] In the embodiment, the structure of the right sealing head 5 is similar to that of the left sealing head 4, but the right double threaded joint 51 of the right sealing head 5 is provided with a threaded sleeve 52, the right sealing head 5 is locked by pressing outside the threaded sleeve 52; and the right double threaded joint 51 and the right shell 2 are sealed and connected through a right sealing ring 53. The left sealing head 4 and the right sealing head 5 are respectively locked and sealed by pulling inside and pressing outside, so as to improve the detection speed and accuracy of performance, provide guarantee for the quality control of membrane wire in the production process, and improve product quality and market competitiveness.

[0035] The above description is only a description of the preferred embodiment of the utility model, and does not limit the scope of the utility model, any change and modification of the utility model made by the ordinary skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A hollow fiber membrane filament performance testing device, characterized by, It comprises a left shell (1), a right shell (2) and a middle shell (3), the left shell (1) and the right shell (2) are respectively detachably connected to the two ends of the middle shell (3) through threads; A left sealing end head (4) is installed in the left shell (1), and a right sealing end head (5) is installed in the right shell (2); The left sealing end head (4) and the right sealing end head (5) respectively clamp the two ends of the hollow fiber membrane filament (100) to be detected and perform testing in the test cavity formed by the left shell (1), the right shell (2) and the middle shell (3).

2. A hollow fibre membrane filament performance testing device as claimed in claim 1, characterised in that, The left sealing end head (4) comprises a left double-thread joint (41) and a left needle head (42) coaxially installed in the left double-thread joint (41), the left needle head (42) is inserted into the left end of the hollow fiber membrane filament (100), and the hollow fiber membrane filament (100) is press-fitted in the left double-thread joint (41) through a left screw cap (43).

3. A hollow fibre membrane filament performance testing device as claimed in claim 2, characterised in that, The left sealing end head (4) further comprises a left rubber pad (44) which is sleeved and installed between the hollow fiber membrane filament (100) and the left screw cap (43).

4. A hollow fibre membrane filament performance testing device as claimed in claim 3, characterised in that, The left rubber pad (44) is provided with a left clamping hole (441) along the central axis for sleeving and clamping the left end of the hollow fiber membrane filament (100), and an outer conical surface (442) is formed on the left rubber pad (44) and matched with an inner conical surface (431) of the left screw cap (43); when the left screw cap (43) is rotated and moved along the central axis, the left rubber pad (44) is pressed and covers to clamp and fix the left end of the hollow fiber membrane filament (100).

5. A hollow fibre membrane filament performance testing device as claimed in claim 4, characterised in that, A left locking groove (443) is formed on the side wall of the left rubber pad (44), and under the action of the left screw cap (43), the space of the left clamping hole (441) is reduced, so as to clamp and fix the left end of the hollow fiber membrane filament (100).

6. A hollow fibre membrane filament performance testing device as claimed in claim 2, characterised in that, A locking nut (45) is arranged at the end of the left double-thread joint (41) away from the left screw cap (43), the left sealing end head (4) is locked by pulling the locking nut (45), and the left double-thread joint (41) and the left shell (1) are sealingly connected through a left sealing ring (46).

7. A hollow fiber membrane filament performance testing device as claimed in claim 1, wherein, A threaded sleeve (52) is arranged on the right double-thread joint (51) of the right sealing end head (5), the right sealing end head (5) is locked by external pressure of the threaded sleeve (52), and the right double-thread joint (51) and the right shell (2) are sealingly connected through a right sealing ring (53).

8. A hollow fiber membrane filament performance testing device as claimed in claim 1, wherein, At least one pressure gauge interface (6) is formed on the left shell (1), the right shell (2) or the middle shell (3) to install a pressure gauge and detect the pressure inside the test cavity.

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