阅读说明：本技术 一种防松散的超滤膜收卷装置 (Anti-loose ultrafiltration membrane winding device ) 是由 吴金键 程发彬 杨永康 张砚龙 潘东升 郑毕华 于 2021-07-29 设计创作，主要内容包括：一种防松散的超滤膜收卷装置,本发明涉及超滤膜生产技术领域；收卷支轴设置于框架内,框架内开设有倒“U”形槽,且倒“U”形槽的前后两侧的垂直端的底部均贯通开设有下弧形槽,收卷支轴的前后两端分别插设于对应的下弧形槽内；卡架为倒“U”形结构设置,卡架卡设在倒“U”形槽内,卡架中的前后两侧的垂直端的底部均开设有上弧形槽,上弧形槽卡设于收卷支轴上；定位块设置于卡架中的水平端的上侧,定位块的左右两侧均等间距分布固定有数个卡块,卡块分别卡设于对应的卡槽内；能够对收卷过程中的超滤膜进行限位,避免在收卷过程中超滤膜出现便宜以及松动的现象,提高了收卷质量以及效率。(The invention discloses a loose-proof ultrafiltration membrane winding device, and relates to the technical field of ultrafiltration membrane production; the winding fulcrum shaft is arranged in the frame, an inverted U-shaped groove is formed in the frame, lower arc-shaped grooves are formed in the bottoms of the vertical ends of the front side and the rear side of the inverted U-shaped groove in a penetrating manner, and the front end and the rear end of the winding fulcrum shaft are respectively inserted into the corresponding lower arc-shaped grooves; the clamping frame is arranged in an inverted U-shaped structure and clamped in an inverted U-shaped groove, the bottoms of the vertical ends of the front side and the rear side in the clamping frame are respectively provided with an upper arc-shaped groove, and the upper arc-shaped grooves are clamped on the winding fulcrum shafts; the positioning block is arranged on the upper side of the horizontal end in the clamping frame, a plurality of clamping blocks are distributed and fixed on the left side and the right side of the positioning block at equal intervals, and the clamping blocks are respectively clamped in the corresponding clamping grooves; the ultrafiltration membrane in the winding process can be limited, the phenomenon that the ultrafiltration membrane is cheap and loose in the winding process is avoided, and the winding quality and efficiency are improved.)

1. A loose-proof ultrafiltration membrane winding device comprises a base (1) and a frame (2), wherein the frame (2) is arranged on the base (1), the frame (2) is arranged in an inverted U-shaped structure, and the vertical ends of the front side and the rear side in the frame (2) are respectively fixed on the base (1);

it is characterized in that it also comprises:

the first guide wheel (3) is screwed in the frame (2) through a bearing;

the second guide wheel (4) is screwed in the frame (2) through a bearing, and the second guide wheel (4) is arranged below the right side of the first guide wheel (3);

the winding fulcrum shaft (5) is arranged in the frame (2), an inverted U-shaped groove (2-1) is formed in the frame (2), the inverted U-shaped groove (2-1) is arranged on the right side of the second guide wheel (4), the bottoms of the vertical ends of the front side and the rear side of the inverted U-shaped groove (2-1) are provided with lower arc-shaped grooves (2-2) in a penetrating manner, and the front end and the rear end of the winding fulcrum shaft (5) are respectively inserted into the corresponding lower arc-shaped grooves (2-2);

the clamping frame (6) is arranged in an inverted U-shaped structure, the clamping frame (6) is clamped in an inverted U-shaped groove (2-1), the bottoms of the vertical ends of the front side and the rear side in the clamping frame (6) are respectively provided with an upper arc-shaped groove (6-1), and the upper arc-shaped grooves (6-1) are clamped on the winding fulcrum shaft (5);

the positioning block (7) is arranged on the upper side of a horizontal end in the clamping frame (6), a plurality of clamping blocks (8) are distributed and fixed on the left side and the right side of the positioning block (7) at equal intervals, a plurality of clamping grooves (2-3) are formed in the frames (2) on the left side and the right side of the horizontal end in the inverted U-shaped groove (2-1) in a penetrating manner, the clamping blocks (8) are respectively clamped in the corresponding clamping grooves (2-3), and the upper surface of the positioning block (7), the upper surface of each clamping block (8) and the upper surface of each frame (2) are arranged in a flush manner;

the two limiting sleeve frames (9) are symmetrically sleeved at the front end and the rear end of the rolling fulcrum shaft (5), and the limiting sleeve frames (9) are arranged in the frame (2);

the number of the limiting studs (10) is four, the four limiting studs (10) are respectively arranged on the upper side and the lower side of the limiting sleeve frame (9) in a pairwise corresponding manner, the limiting studs (10) penetrate through the outer side annular wall of the limiting sleeve frame (9) from outside to inside through threads and are screwed and inserted into limiting grooves (5-1) formed in the winding fulcrum shaft (5), the limiting grooves (5-1) are multiple and are respectively arranged on the upper side and the lower side of the front end and the lower side of the rear end of the winding fulcrum shaft (5) in an equidistant distribution manner;

the pushing cylinder (11), the pushing cylinder (11) is fixed on the outer side of the rear vertical end in the frame (2), the pushing cylinder (11) is arranged on the lower side of the lower arc-shaped groove (2-2), and the pushing cylinder (11) is connected with an external air source;

the pushing frame (12) is arranged in an L-shaped structure, and the horizontal end in the pushing frame (12) is fixedly connected with the pushing end of the pushing cylinder (11);

the winding motor (13), the winding motor (13) is fixed on the inner wall of the vertical end in the pushing frame (12), and the winding motor (13) is connected with an external power supply;

the winding shaft (14) is fixed on an output shaft of the winding motor (13), and the winding shaft (14) is arranged in a rear end penetrating groove of the winding fulcrum shaft (5) in a penetrating manner;

the winding device comprises a winding fulcrum shaft (5) and a winding shaft (14), and is characterized by comprising a locking stud (15), wherein the locking stud (15) penetrates through the winding fulcrum shaft (5) and the winding shaft (14), the left end and the right end of the locking stud (15) are respectively exposed at the left side and the right side of the winding fulcrum shaft (5), and the exposed end is screwed on the exposed end through threads.

2. The anti-loose ultrafiltration membrane winding device according to claim 1, wherein: a shaft cover (16) is sleeved and fixed on the winding shaft (14), the shaft cover (16) is sleeved at the rear end of the winding fulcrum shaft (5), and a locking stud (15) penetrates through the shaft cover (16); when the winding shaft (14) is arranged in the winding fulcrum shaft (5) in a penetrating way, the driving shaft cover (16) is sleeved on the winding fulcrum shaft (5), so that the stability of the winding fulcrum shaft (5) is strengthened.

3. The anti-loose ultrafiltration membrane winding device according to claim 1, wherein: the wall of each of the upper arc-shaped groove (6-1) and the lower arc-shaped groove (2-2) is provided with a ring slot (17) in a run-through manner, the front end and the rear end of the winding fulcrum shaft (5) are respectively sleeved and fixed with a ring inserting sleeve (18), and the ring inserting sleeve (18) is rotatably arranged in the ring slot (17); the ring slot (17) limits the ring plug bush (18), thereby stabilizing the rolling fulcrum shaft (5) in rotation.

4. The anti-loose ultrafiltration membrane winding device according to claim 1, wherein: a support frame (19) is fixed in the frame (2), the support frame (19) is arranged in an inverted U-shaped structure, the support frame (19) is arranged between the first guide wheel (3) and the second guide wheel (4), two third guide wheels (20) are arranged in the support frame (19) in a screwed connection mode from top to bottom sequentially through bearings, and the ultrafiltration membrane is arranged between the two third guide wheels (20) in a penetrating mode; and a third guide wheel (20) guides the ultrafiltration membrane to enable the ultrafiltration membrane to be in a tensioned state in the winding process.

5. The anti-loose ultrafiltration membrane winding device according to claim 1, wherein: a winding sleeve (21) is sleeved on the winding fulcrum shaft (5), the winding sleeve (21) is arranged between the front and the rear limiting sleeve frames (9), a connecting frame (22) is fixed on the inner wall of each limiting sleeve frame (9), connecting rings (23) are sleeved and fixed at the front end and the rear end of each winding sleeve (21), the outer side wall of the connecting ring (23) is in contact with the connecting frame (22), the connecting bolt penetrates through the connecting ring (23) and the connecting frame (22), the tail portion of the connecting bolt is in screwed connection with a nut through threads, the winding sleeve (21) is symmetrically sleeved with the limiting rings (24) in the front and back direction, the outer sides of the limiting rings (24) are symmetrically fixed with the inserted rods (25) up and down, the inserted rods (25) are inserted into the inserted columns (26), the outer ends of the inserted columns (26) are fixed on the inner side wall of the limiting sleeve frame (9), and the inserted rods (25) are connected with the inserted columns (26) through bolts; and a winding sleeve (21) is additionally arranged to wind the ultrafiltration membrane, and the ultrafiltration membrane is limited by driving limiting rings (24) at the front end and the rear end.

6. The anti-loose ultrafiltration membrane winding device according to claim 1, wherein: guide grooves (5-2) are formed in the left side and the right side of the winding fulcrum shaft (5), guide blocks (27) are symmetrically fixed on the inner annular wall of the limiting sleeve frame (9) in the left-right direction, and the guide blocks (27) are arranged in the guide grooves (5-2) in a front-back sliding mode; the guide block (27) is matched with the guide groove (5-2) to facilitate the installation of the limiting sleeve frame (9).

7. The working principle of the loose-proof ultrafiltration membrane winding device according to claim 1 is characterized in that: when the device is used, an ultrafiltration membrane to be rolled is wound from the upper side of a first guide wheel (3) to the lower side of a second guide wheel (4), a rolling support shaft (5) is placed in a lower arc-shaped groove (2-2) and is clamped on the rolling support shaft (5) through a clamping frame (6), the clamping frame (6) is limited and fixed through a positioning block (7), a pushing cylinder (11) drives a pushing frame (12) to move in the front-back direction, a rolling motor (13) drives a rolling shaft (14) to be inserted into the rolling support shaft (5) and carries out locking operation through a locking stud (15), the rolling motor (13) drives the rolling shaft (14) to rotate, the rolling support shaft (5) is rotated, so that the ultrafiltration membrane is rolled, and the limiting sleeve frames (9) on the front side and the rear side are manually driven to move relatively according to different widths of the ultrafiltration membrane, and a limiting stud (10) is used for limiting, and a limiting sleeve frame (9) is used for limiting the ultrafiltration membrane in rolling.

Technical Field

The invention relates to the technical field of ultrafiltration membrane production, in particular to a loose-proof ultrafiltration membrane winding device.

Background

The ultrafiltration membrane is a high molecular separation membrane and is widely applied to the industrial field; the ultrafiltration membrane needs to be rolled in the production process, one end of the membrane is manually adhered to a rolling roller by an adhesive tape in the traditional rolling method, and then the membrane is rolled, however, the membrane can be deflected in the rolling process, the rolling is irregular, the tensioning force of the ultrafiltration membrane cannot be well adjusted, the tensioning force is uneven, meanwhile, the rolled membrane is easy to loosen and is not easy to tie up in a loose state, and the strength and the cost of manual tying up can be increased.

Disclosure of Invention

The invention aims to provide the anti-loose ultrafiltration membrane winding device which is simple in structure, reasonable in design and convenient to use, can limit ultrafiltration membranes in the winding process, avoids the phenomena of cheapness and looseness of the ultrafiltration membranes in the winding process and improves the winding quality and efficiency aiming at the defects and defects of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the frame is arranged on the base and is of an inverted U-shaped structure, and the vertical ends of the front side and the rear side of the frame are respectively fixed on the base;

it also includes:

the first guide wheel is arranged in the frame in a screwed connection mode through a bearing;

the second guide wheel is screwed in the frame through a bearing and is arranged below the right side of the first guide wheel;

the winding fulcrum shaft is arranged in the frame, an inverted U-shaped groove is formed in the frame, the inverted U-shaped groove is arranged on the right side of the second guide wheel, the bottoms of the vertical ends of the front side and the rear side of the inverted U-shaped groove are both provided with lower arc-shaped grooves in a penetrating manner, and the front end and the rear end of the winding fulcrum shaft are respectively inserted into the corresponding lower arc-shaped grooves;

the clamping frame is arranged in an inverted U-shaped structure and clamped in the inverted U-shaped groove, the bottoms of the vertical ends of the front side and the rear side in the clamping frame are respectively provided with an upper arc-shaped groove, and the upper arc-shaped grooves are clamped on the winding fulcrum shafts;

the positioning block is arranged on the upper side of the horizontal end in the clamping frame, a plurality of clamping blocks are fixed on the left side and the right side of the positioning block at equal intervals, a plurality of clamping grooves are formed in the frames on the left side and the right side of the horizontal end in the inverted U-shaped groove in a penetrating manner, the clamping blocks are respectively clamped in the corresponding clamping grooves, and the upper surface of the positioning block, the upper surfaces of the clamping blocks and the upper surfaces of the frames are arranged in a flush manner;

the two limiting sleeve frames are symmetrically sleeved at the front end and the rear end of the winding fulcrum shaft and are arranged in the frame;

the four limiting studs are respectively arranged on the upper side and the lower side of the limiting sleeve frame in a pairwise corresponding manner, the limiting studs penetrate through the outer annular wall of the limiting sleeve frame from outside to inside through threads and are rotatably inserted into limiting grooves formed in the winding fulcrum shafts, and the limiting grooves are a plurality of and are respectively arranged on the upper side and the lower side of the front end and the lower side of the rear end of the winding fulcrum shaft in an equidistant distribution manner;

the pushing cylinder is fixed on the outer side of the rear vertical end in the frame, arranged on the lower side of the lower arc-shaped groove and connected with an external air source;

the pushing frame is arranged in an L-shaped structure, and the horizontal end in the pushing frame is fixedly connected with the pushing end of the pushing cylinder;

the winding motor is fixed on the inner wall of the vertical end in the pushing frame and is connected with an external power supply;

the winding shaft is fixed on an output shaft of the winding motor and penetrates through the rear end penetrating groove of the winding fulcrum shaft;

the locking stud penetrates through the winding fulcrum shaft and the winding shaft, the left end and the right end of the locking stud are respectively exposed on the left side and the right side of the winding fulcrum shaft, and the exposed end is screwed on the exposed end through threads.

Preferably, the winding shaft is sleeved and fixed with a shaft cover, the shaft cover is sleeved at the rear end of the winding fulcrum shaft, and the locking stud is arranged in the shaft cover in a penetrating manner; when the winding shaft penetrates through the winding fulcrum shaft, the shaft cover is driven to be sleeved on the winding fulcrum shaft, and the stability of the winding fulcrum shaft is reinforced.

Preferably, the groove walls of the upper arc-shaped groove and the lower arc-shaped groove are provided with ring slots in a run-through manner, the front end and the rear end of the winding fulcrum shaft are sleeved with and fixed with ring insertion sleeves, and the ring insertion sleeves are rotatably arranged in the ring slots; the ring slot limits the ring insert sleeve, so that the rolling fulcrum shaft is stable in rotation.

Preferably, a support frame is fixed in the frame, the support frame is arranged in an inverted U-shaped structure, the support frame is arranged between the first guide wheel and the second guide wheel, two third guide wheels are arranged in the support frame in a screwed connection mode sequentially through a bearing from top to bottom, and the ultrafiltration membrane is arranged between the two third guide wheels in a penetrating mode; and the third guide wheel guides the ultrafiltration membrane to enable the ultrafiltration membrane to be in a tensioned state in the winding process.

Preferably, a winding sleeve is sleeved on the winding fulcrum shaft and arranged between a front limiting sleeve frame and a rear limiting sleeve frame, a connecting frame is fixed on the inner wall of each limiting sleeve frame, connecting rings are sleeved and fixed at the front end and the rear end of each winding sleeve, the outer side wall of each connecting ring is in contact with the connecting frame, connecting bolts penetrate through the connecting rings and the connecting frames, the tail parts of the connecting bolts are in screwed connection with nuts through threads, the front end and the rear end of each winding sleeve are symmetrically sleeved with the limiting rings, inserting rods are symmetrically fixed on the outer sides of the limiting rings up and down and inserted into inserting columns, the outer ends of the inserting columns are fixed on the inner side walls of the limiting sleeve frames, and the inserting rods are connected with the inserting columns through bolts; and a rolling sleeve is additionally arranged to roll the ultrafiltration membrane, and the ultrafiltration membrane is limited by limiting rings at the front end and the rear end.

Preferably, the left side and the right side of the winding fulcrum shaft are both provided with guide grooves, guide blocks are symmetrically fixed on the inner annular wall of the limiting sleeve frame in the left-right direction, and the guide blocks are arranged in the guide grooves in a front-back sliding manner; the guide block is matched with the guide groove to facilitate the installation of the limiting sleeve frame.

The working principle of the invention is as follows: when the device is used, an ultrafiltration membrane to be rolled is wound from the upper side of a first guide wheel to the lower side of a second guide wheel, a rolling fulcrum shaft is placed in a lower arc-shaped groove and clamped on the rolling fulcrum shaft through a clamping frame, the clamping frame is limited and fixed through a positioning block, a pushing cylinder drives a pushing frame to move in the front-back direction, a rolling motor drives the rolling shaft to be inserted into the rolling fulcrum shaft, locking operation is performed through a locking stud, the rolling motor drives the rolling shaft to rotate, the rolling fulcrum shaft is rotated, rolling operation is performed on the ultrafiltration membrane, according to different widths of the ultrafiltration membrane, limiting sleeve frames on the front side and the rear side are manually driven to move relatively, limiting operation is performed through the limiting studs, and limiting sleeve frames perform limiting operation on the ultrafiltration membrane in rolling; in order to conveniently take the ultrafiltration membrane on the rolling fulcrum shaft, the rolling sleeve is sleeved on the rolling fulcrum shaft before rolling, the rolling sleeve is in a stable state on the rolling fulcrum shaft through the matching of the connecting frame and the connecting ring, and meanwhile, the limiting ring is driven to move on the rolling sleeve through the insertion matching of the inserting rod and the inserting column, so that the ultrafiltration membrane in rolling is limited, and the phenomenon that the ultrafiltration membrane is deviated in the rolling process is avoided.

After adopting the structure, the invention has the beneficial effects that:

1. the winding fulcrum shaft is clamped through the clamping frame, so that the winding fulcrum shaft can be installed and detached in the frame;

2. the pushing frame is driven to move back and forth, so that the winding shaft and the winding fulcrum shaft can be tightly connected, and the winding fulcrum shaft is driven to rotate to realize winding operation;

3. move on the rolling fulcrum shaft through the spacing cover frame, carry out spacing to the milipore filter.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 is a sectional view taken along line a-a in fig. 1.

Fig. 5 is a sectional view taken along line B-B in fig. 1.

Fig. 6 is a sectional view taken along line C-C in fig. 3.

Fig. 7 is an enlarged view of a portion D in fig. 4.

Fig. 8 is an enlarged view of a portion E in fig. 4.

Fig. 9 is an enlarged view of a portion F in fig. 4.

Fig. 10 is an enlarged view of the portion G in fig. 5.

Fig. 11 is an enlarged view of a portion H in fig. 6.

Description of reference numerals:

the winding machine comprises a base 1, a frame 2, an inverted U-shaped groove 2-1, a lower arc-shaped groove 2-2, a clamping groove 2-3, a first guide wheel 3, a second guide wheel 4, a winding fulcrum shaft 5, a limiting groove 5-1, a guide groove 5-2, a clamping frame 6, an upper arc-shaped groove 6-1, a positioning block 7, a clamping block 8, a limiting sleeve frame 9, a limiting stud 10, a pushing cylinder 11, a pushing frame 12, a winding motor 13, a winding shaft 14, a locking stud 15, a shaft cover 16, a ring slot 17, a ring plug bush 18, a supporting frame 19, a third guide wheel 20, a winding sleeve 21, a connecting frame 22, a connecting ring 23, a limiting ring 24, an inserted bar 25, an inserted column 26 and a guide block 27.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to fig. 11, the technical solution adopted by the present embodiment is: the device comprises a base 1 and a frame 2, wherein the frame 2 is arranged on the base 1, the frame 2 is arranged in an inverted U-shaped structure, and the vertical ends of the front side and the rear side in the frame 2 are respectively fixed on the base 1 by screws;

it also includes:

the first guide wheel 3 is arranged in the frame 2 in a screwed connection mode through a bearing;

the second guide wheel 4 is screwed in the frame 2 through a bearing, and the second guide wheel 4 is arranged below the right side of the first guide wheel 3;

the winding fulcrum shaft 5 is arranged in the frame 2, an inverted U-shaped groove 2-1 is formed in the frame 2, the inverted U-shaped groove 2-1 is arranged on the right side of the second guide wheel 4, the bottoms of the vertical ends of the front side and the rear side of the inverted U-shaped groove 2-1 are provided with lower arc-shaped grooves 2-2 in a penetrating manner, and the front end and the rear end of the winding fulcrum shaft 5 are respectively inserted into the corresponding lower arc-shaped grooves 2-2;

the clamping frame 6 is arranged in an inverted U-shaped structure, the clamping frame 6 is clamped in an inverted U-shaped groove 2-1, the bottoms of the vertical ends of the front side and the rear side in the clamping frame 6 are respectively provided with an upper arc-shaped groove 6-1, and the upper arc-shaped grooves 6-1 are clamped on the winding fulcrum shaft 5;

the positioning block 7 is arranged on the upper side of the horizontal end in the clamping frame 6, a plurality of clamping blocks 8 are fixed on the left side and the right side of the positioning block 7 in an equal interval distribution mode, a plurality of clamping grooves 2-3 are formed in the frames 2 on the left side and the right side of the horizontal end in the inverted U-shaped groove 2-1 in a penetrating mode, the clamping blocks 8 are respectively clamped in the corresponding clamping grooves 2-3, and the upper surface of the positioning block 7, the upper surfaces of the clamping blocks 8 and the upper surface of the frame 2 are arranged in a flush mode;

the two limiting sleeve frames 9 are symmetrically sleeved at the front end and the rear end of the winding fulcrum shaft 5, and the limiting sleeve frames 9 are arranged in the frame 2;

the number of the limiting studs 10 is four, the four limiting studs 10 are respectively arranged on the upper side and the lower side of the limiting sleeve frame 9 in a pairwise corresponding manner, the limiting studs 10 penetrate through the outer annular wall of the limiting sleeve frame 9 from outside to inside through threads and are screwed and inserted into limiting grooves 5-1 formed in the winding fulcrum shaft 5, and the limiting grooves 5-1 are a plurality of and are respectively arranged on the upper side and the lower side of the front end and the lower side of the rear end of the winding fulcrum shaft 5 in an equidistant distribution manner;

the pushing cylinder 11 is fixed on the outer side of the rear vertical end in the frame 2 through screws, the pushing cylinder 11 is arranged on the lower side of the lower arc-shaped groove 2-2, the pushing cylinder 11 is connected with an external air source through an air pipe, and the specific use model of the pushing cylinder 11 is directly purchased, installed and used from the market according to the actual use requirement;

the pushing frame 12 is arranged in an L-shaped structure, and the horizontal end in the pushing frame 12 and the pushing end of the pushing cylinder 11 are fixed through screws;

the winding motor 13 is fixed on the inner wall of the vertical end in the pushing frame 12 by screws, the winding motor 13 is connected with an external power supply through a power line, and the specific use model of the winding motor 13 is directly purchased, installed and used from the market according to the actual use requirement;

the winding shaft 14 is fixed on an output shaft of the winding motor 13 by screws, and the winding shaft 14 is arranged in a rear end penetrating groove of the winding fulcrum shaft 5 in a penetrating manner;

and the locking stud 15 penetrates through the winding fulcrum shaft 5 and the winding shaft 14, the left end and the right end of the locking stud 15 are respectively exposed at the left side and the right side of the winding fulcrum shaft 5, and the exposed end is screwed on the exposed end through threads.

Preferably, a shaft cover 16 is sleeved and fixed on the winding shaft 14, the shaft cover 16 is sleeved at the rear end of the winding fulcrum shaft 5, and the locking stud 15 is inserted into the shaft cover 16; the shaft cover 16 makes the connection between the winding fulcrum shaft 5 and the winding shaft 14 more stable.

As a preferable scheme, further, the groove walls of the upper arc-shaped groove 6-1 and the lower arc-shaped groove 2-2 are both provided with a ring slot 17 in a through manner, the front end and the rear end of the winding fulcrum shaft 5 are both sleeved and fixed with a ring insertion sleeve 18, and the ring insertion sleeve 18 is rotatably arranged in the ring slot 17; the ring slot 17 positions the ring insert 18, and facilitates installation of the winding fulcrum 5.

As a preferred scheme, furthermore, a support frame 19 is fixed in the frame 2 by screws, the support frame 19 is arranged in an inverted U-shaped structure, the support frame 19 is arranged between the first guide wheel 3 and the second guide wheel 4, two third guide wheels 20 are rotatably connected in the support frame 19 from top to bottom through bearings, and the ultrafiltration membrane is arranged between the two third guide wheels 20 in a penetrating manner; and the third guide wheel 20 guides the ultrafiltration membrane to enable the ultrafiltration membrane to be in a tensioned state in the winding process.

As a preferred scheme, furthermore, a winding sleeve 21 is sleeved on the winding fulcrum shaft 5, the winding sleeve 21 is arranged between the front and rear limiting sleeve frames 9, a connecting frame 22 is fixed on the inner wall of each limiting sleeve frame 9 by using a screw, a connecting ring 23 is sleeved and fixed on each of the front and rear ends of the winding sleeve 21, the outer side wall of each connecting ring 23 is in contact with the corresponding connecting frame 22, a connecting bolt penetrates through the corresponding connecting ring 23 and the corresponding connecting frame 22, the tail part of the connecting bolt is screwed with a nut through a thread, limiting rings 24 are symmetrically sleeved on the winding sleeve 21 in the front and rear directions, inserting rods 25 are fixed on the outer sides of the limiting rings 24 in an up-and-down symmetrical mode by using screws, the inserting rods 25 are inserted into the inserting columns 26, the outer ends of the inserting columns 26 are fixed on the inner side walls of the limiting sleeve frames 9, and the inserting rods 25 are connected with the inserting columns 26 through bolts; and a winding sleeve 21 is additionally arranged to wind the ultrafiltration membrane, and the ultrafiltration membrane is limited by driving the limiting rings 24 at the front end and the rear end.

Preferably, the left side and the right side of the winding fulcrum shaft 5 are both provided with guide grooves 5-2, guide blocks 27 are fixed on the inner annular wall of the limiting sleeve frame 9 in a bilateral symmetry manner, and the guide blocks 27 are arranged in the guide grooves 5-2 in a front-back sliding manner; the guide block 27 is matched with the guide groove 5-2 to facilitate the installation of the limiting sleeve frame 9.

The working principle of the specific embodiment is as follows: when the device is used, the ultrafiltration membrane to be rolled is wound from the upper side of the first guide wheel 3 to the lower side of the second guide wheel 4, the rolling fulcrum shaft 5 is placed in the lower arc-shaped groove 2-2, the winding shaft is clamped on the winding fulcrum shaft 5 through a clamping frame 6, the clamping frame 6 is limited and fixed through a positioning block 7, a pushing cylinder 11 drives a pushing frame 12 to move in the front-back direction, a winding motor 13 drives a winding shaft 14 to be inserted into the winding fulcrum shaft 5, and the locking operation is carried out through the locking stud 15, the winding motor 13 drives the winding shaft 14 to rotate, the winding fulcrum shaft 5 is rotated, so that the ultrafiltration membrane is wound, according to the difference of the width of the ultrafiltration membrane, the limiting sleeve frames 9 on the front side and the rear side are driven to move relatively by hand, the limiting studs 10 are used for limiting, and the limiting sleeve frames 9 are used for limiting the ultrafiltration membrane in rolling; in order to conveniently take the ultrafiltration membrane on the winding fulcrum shaft 5, before winding, the winding sleeve 21 is sleeved on the winding fulcrum shaft 5, the winding sleeve 21 is in a stable state on the winding fulcrum shaft 5 through the matching of the connecting frame 22 and the connecting ring 23, and meanwhile, the insertion rod 25 is matched with the insertion column 26 in an inserting mode to drive the limiting ring 24 to move on the winding sleeve 21, so that the ultrafiltration membrane in winding is limited, and the phenomenon that the ultrafiltration membrane deviates in the winding process is avoided.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. the winding fulcrum shaft 5 is clamped through the clamping frame 6, so that the winding fulcrum shaft 5 can be installed and detached in the frame 2;

2. the pushing frame 12 is driven to move back and forth, so that the winding shaft 14 and the winding fulcrum shaft 5 can be tightly connected, and the winding fulcrum shaft 5 is driven to rotate to realize winding operation;

3. the limit sleeve frame 9 moves on the winding fulcrum shaft 5 to limit the ultrafiltration membrane;

4. the winding sleeve 21 can be mounted and dismounted on the winding fulcrum shaft 5, the ultrafiltration membrane is convenient to operate, and the limiting ring 24 can be moved and limited on the winding sleeve 21.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.