阅读说明：本技术 一种医用吸塑膜分类存储装置 (Medical plastic uptake membrane classified storage device ) 是由 方天任 于 2021-08-23 设计创作，主要内容包括：本发明涉及吸塑膜分类存储装置技术领域,具体的说是一种医用吸塑膜分类存储装置,包括所述导向结构上转动连接有旋转结构,所述旋转结构上圆周阵列设有多个用于存储医用吸塑膜的存储结构,所述旋转结构上设有用于对医用吸塑膜进行夹持固定的限位结构,所述导向结构上设有驱动结构,所述旋转结构可带动驱动结构工作,所述驱动结构上设有用于收纳医用吸塑膜的卷筒的收纳结构,进而便于在存储结构上存储多个医用吸塑膜卷筒,然后通过旋转结构将多个存储结构旋转至指定位置,进而不仅便于存储了医用吸塑膜卷筒,而且还提高了操作效率,有效的避免了因为更换医用吸塑膜卷影响效率。(The invention relates to the technical field of plastic film sorting and storing devices, in particular to a medical plastic film sorting and storing device which comprises a guide structure, a rotary structure, a plastic film storage device and a plastic film conveying device, wherein the guide structure is rotatably connected with the rotary structure, the circumferential array on the rotating structure is provided with a plurality of storage structures for storing the medical plastic film, the rotating structure is provided with a limiting structure for clamping and fixing the medical plastic film, the guide structure is provided with a driving structure, the rotating structure can drive the driving structure to work, the driving structure is provided with a storage structure for storing the medical plastic film rolls, so that a plurality of medical plastic film rolls are conveniently stored on the storage structure, then the plurality of storage structures are rotated to the designated positions through the rotating structure, thereby not only facilitating the storage of the medical plastic film reel, but also improves the operation efficiency and effectively avoids the influence on the efficiency caused by the replacement of the medical plastic film roll.)

1. The medical plastic film sorting and storing device is characterized by comprising a guide structure (1), wherein the guide structure (1) comprises a mounting seat (101) and guide grooves (102) which are arranged on the mounting seat (101) and have arc-shaped structures and the depths of which are reduced from two ends to the middle, a rotating structure (3) is rotatably connected to the mounting seat (101), and a plurality of storage structures (4) for storing medical plastic films are arranged on the rotating structure (3) in a circumferential array manner;

the storage structure (4) comprises guide rollers (401), a plurality of guide rollers (401) which are rotatably connected are arranged on the rotating structure (3), a driving rod (408) in sliding connection is arranged on the guide roller (401) for storing the medical plastic film, a connecting block (411) is arranged on the driving rod (408), a roller (410) which is connected in a rotating way is arranged on the connecting block (411), the roller (410) is in rolling connection with a sliding groove (409) which is arranged on the clamping block (402) in an inclined way, the fixture block (402) is connected with the guide roller (401) in a sliding way, the end part of the driving rod (408) is provided with a driving block (407), a third return spring (406) is arranged between the transmission block (407) and the guide roller (401), the transmission block (407) is rotationally connected with the first guide wheel (405), and the first guide wheel (405) rolls on the mounting seat (101) or the guide groove (102);

be equipped with on revolution mechanic (3) and be used for carrying out centre gripping fixed limit structure (2) to medical plastic film, be equipped with drive structure (6) on guide structure (1), revolution mechanic (3) can drive structure (6) work, be equipped with on drive structure (6) and be used for accomodating structure (5) of the reel of medical plastic film.

2. The medical plastic uptake film sorting and storing device according to claim 1, wherein: the driving rod (408) penetrates through the third return spring (406), and the driving block (407) is connected with the guide roller (401) in a sliding mode.

3. The medical plastic uptake film sorting and storing device according to claim 1, wherein: revolution mechanic (3) are including spliced pole (302), be equipped with spliced pole (302) that the rotation is connected on mount pad (101), be fixed with carousel (301) on spliced pole (302), rotate between carousel (301) and mount pad (101) and be connected, be equipped with adapter sleeve (303) of a plurality of circumference arrays on carousel (301), rotate between guide roll (401) and adapter sleeve (303) and be connected, be equipped with sliding connection, cross-section locating lever (304) that are polygonized structure on spliced pole (302), the limit number of locating lever (304) equals with the number of guide roll (401), the tip of locating lever (304) can and mount pad (101) between block.

4. The medical plastic uptake film sorting and storing device according to claim 3, wherein: be equipped with baffle (307) on locating lever (304), locating lever (304) run through in second reset spring (306), the both ends of second reset spring (306) are contradicted and are connected pole (302) with baffle (307), be equipped with handle (305) on locating lever (304).

5. The medical plastic uptake film sorting and storing device according to claim 3, wherein: limiting structure (2) include first guide bar (203), be equipped with first guide bar (203) on adapter sleeve (303), sliding connection has slide bar (201) on first guide bar (203), first guide bar (203) run through in first reset spring (204), between adapter sleeve (303) and slide bar (201) is located in first reset spring (204), be equipped with guide post (202) that rotate the connection on slide bar (201).

6. The medical plastic uptake film sorting and storing device according to claim 3, wherein: drive structure (6) include second guide bar (601), be equipped with second guide bar (601) of L shape on mount pad (101), accomodate structure (5) including sliding sleeve (503), the tip of second guide bar (601) is equipped with sliding sleeve (503), be equipped with containing box (501) on sliding sleeve (503), be equipped with sliding connection's receiver (502) on containing box (501).

7. The medical plastic uptake film sorting and storing device according to claim 6, wherein: the inner part of the mounting seat (101) is provided with a pressurizing sleeve (606), the inner part of the pressurizing sleeve (606) is provided with a second piston (607) in sliding connection, the second piston (607) is provided with a pressurizing rod (605), the pressurizing rod (605) is fixed with a fourth return spring (604), the other end of the fourth return spring (604) is fixed on the pressurizing sleeve (606), the end part of the second guide rod (601) is provided with a first piston (602), the first piston (602) is in sliding connection with the sliding sleeve (503), a through hole is formed in the second guide rod (601), and a containing cavity between the first piston (602) and the sliding sleeve (503) is communicated with a containing cavity between the second piston (607) and the pressurizing sleeve (606) through the through hole.

8. The medical plastic uptake film sorting and storing device according to claim 7, wherein: the top of containing box (501) is fixed with gangbar (504) that the cross-section is the U-shaped structure, gangbar (504) can contradict with first retaining ring (403), sliding connection between first retaining ring (403) and guide roll (401), the one end that guide roll (401) deviate from carousel (301) is equipped with carries out spacing second retaining ring (404) to first retaining ring (403).

9. The medical plastic uptake film sorting and storing device according to claim 8, wherein: the driving ring (308) with an annular structure is arranged on the connecting column (302), a plurality of driving blocks (309) are arranged on the driving ring (308) in a circumferential array mode, the number of the driving blocks (309) is equal to that of the guide rollers (401), the driving blocks (309) are used for driving the pressure increasing rods (605), and the rotating angle of the driving blocks (309) capable of driving the pressure increasing rods (605) is equal to the moving angle of the first check ring (403) when in contact with the linkage rod (504).

10. The medical plastic uptake film sorting and storing device according to claim 9, wherein: the top end of the pressure increasing rod (605) is provided with a second guide wheel (603), and the second guide wheel (603) is in rolling connection with the driving block (309).

Technical Field

The invention relates to the technical field of plastic film sorting and storing devices, in particular to a medical plastic film sorting and storing device.

Background

The blister package of the medicine and the medical apparatus is formed by filling the medicine or the medical apparatus in a vacuum blister (bubble blowing) or a compression molding blister, using a covering material such as aluminum foil and the like, and thermally sealing the covering material and a foaming base material under certain temperature and time conditions through pressure.

However, the guide roll on the traditional medical packaging equipment is a single set, and has no storage function, when the medical plastic film on the guide roll is used up, a new medical plastic film needs to be replaced in time, because the used medical plastic film roll needs to be disassembled in the replacement process, then the new medical plastic film roll is fixed on the guide roll, and most of the medical plastic film roll is provided with a knob at the end part of the guide roll, the plastic film roll is abutted after the knob is in threaded connection with the guide roll, the operation flexibility is poor, the occupied time in the replacement process is long, and the replaced medical plastic film roll needs to be stored at a proper position, the storage effect is poor, the guide roll has no limit effect, after the medical plastic film is arranged on the guide roll, if the guide roll rotates, the rolled medical plastic film is spread easily, secondary rolling is needed, and the packaging efficiency is affected.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a medical plastic film classified storage device.

The technical scheme adopted by the invention for solving the technical problems is as follows: a medical plastic film classified storage device comprises a guide structure, wherein the guide structure comprises a mounting seat and guide grooves which are arranged on the mounting seat, the depth of the guide grooves is reduced from two ends to the middle and are of arc structures, a rotating structure is rotatably connected to the mounting seat, and a plurality of storage structures for storing medical plastic films are arranged on the rotating structure in a circumferential array mode;

the storage structure comprises a guide roller, a plurality of guide rollers which are rotatably connected are arranged on the rotating structure, a driving rod which is slidably connected is arranged on the guide roller and is used for storing the medical plastic film, a connecting block is arranged on the driving rod, a roller which is rotatably connected is arranged on the connecting block, the roller is in rolling connection with a sliding groove which is obliquely arranged on a clamping block, the clamping block is in sliding connection with the guide roller, a transmission block is arranged at the end part of the driving rod, a third reset spring is arranged between the transmission block and the guide roller, the transmission block is rotatably connected with a first guide wheel, and the first guide wheel rolls on an installation seat or a guide groove;

the rotating structure is provided with a limiting structure for clamping and fixing the medical plastic film, the guide structure is provided with a driving structure, the rotating structure can drive the driving structure to work, and the driving structure is provided with a storage structure for storing a winding drum of the medical plastic film; the driving rod penetrates through the third return spring, and the driving block is connected with the guide roller in a sliding mode.

The rotary structure comprises a connecting column, the connecting column is connected with the mounting seat in a rotating mode, a rotary disc is fixed on the connecting column, the rotary disc is connected with the mounting seat in a rotating mode, connecting sleeves of a plurality of circumference arrays are arranged on the rotary disc, the connecting sleeve is connected with the guide roller in a rotating mode, locating rods which are in sliding connection and polygonal structures in cross sections are arranged on the connecting column, the number of edges of the locating rods is equal to the number of the guide roller, the end portions of the locating rods can be clamped with the mounting seat, baffles are arranged on the locating rods, the locating rods run through a second reset spring, the two ends of the second reset spring are abutted against the baffles and the connecting column, and a handle is arranged on the locating rods.

Specifically, limit structure includes first guide bar, be equipped with first guide bar on the adapter sleeve, sliding connection has the slide bar on the first guide bar, first guide bar runs through in first reset spring, first reset spring locates between adapter sleeve and the slide bar, be equipped with the guide post of rotation connection on the slide bar.

Specifically, the driving structure comprises a second guide rod, an L-shaped second guide rod is arranged on the mounting seat, the containing structure comprises a sliding sleeve, the end part of the second guide rod is provided with the sliding sleeve, the sliding sleeve is provided with a containing box, and the containing box is provided with a containing box in sliding connection;

the utility model discloses a pressure boost device, including mount pad, pressure boost cover, second piston, pressure boost pole, fourth reset spring, pressure boost cover, second piston, pressure boost pole is last to be fixed with fourth reset spring, fourth reset spring's the other end is fixed in pressure boost cover, institute the tip of second guide bar is equipped with first piston, sliding connection between first piston and the sliding sleeve, there is the through-hole second guide bar is inside, the cavity that holds between first piston and the sliding sleeve switches on through the cavity that holds between through-hole and second piston and the pressure boost cover.

The utility model discloses a pressure boost device, including containing box, coupling rod, driving ring, driving piece, the top of containing box is fixed with the linkage rod that the cross-section is the U-shaped structure, the linkage rod can contradict with first retaining ring, sliding connection between first retaining ring and the guide roll, the one end that the guide roll deviates from the carousel is equipped with carries out spacing second retaining ring to first retaining ring, be equipped with annular structure's drive ring on the spliced pole, the circumference array is equipped with a plurality of driving blocks on the drive ring, the number of driving block equals with the number of guide roll, the driving block is used for driving the pressure boost pole, the rotation angle that the driving block can drive the pressure boost pole equals the angle that removes when first retaining ring and linkage rod contact, the top of pressure boost pole is equipped with the second leading wheel, roll connection between second leading wheel and the driving block.

The invention has the beneficial effects that:

(1) according to the medical plastic film classified storage device, the guide structure is rotatably connected with the rotating structure, the plurality of storage structures for storing the medical plastic films are arranged on the rotating structure in a circumferential array mode, so that the plurality of medical plastic film winding drums are conveniently stored on the storage structures, and then the plurality of storage structures are rotated to the appointed position through the rotating structure, so that the medical plastic film winding drums are conveniently stored, the operation efficiency is improved, and the influence on the efficiency caused by replacement of the medical plastic film winding drums is effectively avoided.

(2) According to the medical plastic film classified storage device, the rotating structure is provided with the limiting structure for clamping and fixing the medical plastic film, the limiting structure is arranged so that the medical plastic film can be guided when in use and can be clamped at the end of the medical plastic film when not in use, the medical plastic film is effectively prevented from being loosened and needs to be furled again, and the storage stability, the installation and replacement efficiency and the quality of the medical plastic film are greatly improved.

(3) According to the medical plastic film classified storage device, the guide structure is provided with the driving structure, the rotating structure can drive the driving structure to work, the driving structure is provided with the storage structure for storing the winding drum of the medical plastic film, so that the driving structure is conveniently driven when the rotating structure rotates, the driving structure drives the storage structure to slide and drives the winding drum of the medical plastic film on the storage structure to fall into the storage structure, the operation flexibility is greatly improved, and the winding drum of the medical plastic film is more conveniently and quickly replaced and stored.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a structural diagram illustrating an overall structure of a medical plastic film sorting and storing device according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure of the mounting base and the turntable according to the present invention;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 4;

FIG. 6 is an enlarged view of the structure of the portion D shown in FIG. 4;

FIG. 7 is a schematic view of the connection structure of the driving ring and the driving block of the present invention;

FIG. 8 is a schematic structural view of a guide structure of the present invention;

FIG. 9 is a schematic structural diagram of a memory structure according to the present invention;

fig. 10 is a schematic structural diagram of a cartridge of the present invention.

In the figure: 1. a guide structure; 101. a mounting seat; 102. a guide groove; 2. a limiting structure; 201. a slide bar; 202. a guide post; 203. a first guide bar; 204. a first return spring; 3. a rotating structure; 301. a turntable; 302. connecting columns; 303. connecting sleeves; 304. positioning a rod; 305. a handle; 306. a second return spring; 307. a baffle plate; 308. a drive ring; 309. a drive block; 4. a storage structure; 401. a guide roller; 402. a clamping block; 403. a first retainer ring; 404. a second retainer ring; 405. a first guide wheel; 406. a third return spring; 407. a transmission block; 408. a drive rod; 409. a chute; 410. a roller; 411. connecting blocks; 5. a receiving structure; 501. a storage box; 502. a storage box; 503. a sliding sleeve; 504. a linkage rod; 6. a drive structure; 601. a second guide bar; 602. a first piston; 603. a second guide wheel; 604. a fourth return spring; 605. a pressure increasing lever; 606. a pressurizing sleeve; 607. a second piston.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-10, the medical plastic film sorting and storing device according to the present invention includes a guiding structure 1, where the guiding structure 1 includes a mounting base 101 and a guiding groove 102, which is provided on the mounting base 101 and has an arc structure and a depth decreasing from two ends to the middle, a rotating structure 3 is rotatably connected to the mounting base 101, and a plurality of storage structures 4 for storing medical plastic films are circumferentially arranged on the rotating structure 3 in an array manner;

the storage structure 4 comprises a guide roller 401, a plurality of guide rollers 401 connected in a rotating manner are arranged on the rotating structure 3, a driving rod 408 connected in a sliding manner is arranged on the guide roller 401 and used for storing the medical plastic film, a connecting block 411 is arranged on the driving rod 408, a roller 410 connected in a rotating manner is arranged on the connecting block 411, the roller 410 is connected with a sliding groove 409 obliquely arranged on a fixture block 402 in a rolling manner, the fixture block 402 is connected with the guide roller 401 in a sliding manner, a transmission block 407 is arranged at the end part of the driving rod 408, a third return spring 406 is arranged between the transmission block 407 and the guide roller 401, the transmission block 407 is connected with a first guide wheel 405 in a rotating manner, and the first guide wheel 405 rolls on the mounting seat 101 or the guide groove 102;

the rotating structure 3 is provided with a limiting structure 2 for clamping and fixing the medical plastic film, the guide structure 1 is provided with a driving structure 6, the rotating structure 3 can drive the driving structure 6 to work, and the driving structure 6 is provided with a storage structure 5 for storing a winding drum of the medical plastic film; the driving rod 408 penetrates through the third return spring 406, and the driving block 407 is slidably connected with the guide roller 401.

Concretely, revolution mechanic 3 includes spliced pole 302, be equipped with the spliced pole 302 of rotating the connection on the mount pad 101, be fixed with carousel 301 on the spliced pole 302, rotate between carousel 301 and the mount pad 101 and be connected, be equipped with the adapter sleeve 303 of a plurality of circumference arrays on carousel 301, rotate between direction roller 401 and the adapter sleeve 303 and be connected, be equipped with sliding connection's, the cross-section is polygonized structure's locating lever 304 on the spliced pole 302, the limit number of locating lever 304 equals with direction roller 401's number, the tip of locating lever 304 can and the mount pad 101 between the block, be equipped with baffle 307 on the locating lever 304, locating lever 304 runs through in second reset spring 306, conflict and baffle 307 and spliced pole 302 in the both ends of second reset spring 306, be equipped with handle 305 on the locating lever 304.

Specifically, limit structure 2 includes first guide bar 203, be equipped with first guide bar 203 on the adapter sleeve 303, sliding connection has slide bar 201 on the first guide bar 203, first guide bar 203 runs through in first reset spring 204, first reset spring 204 is located between adapter sleeve 303 and the slide bar 201, be equipped with the guide post 202 of rotation connection on the slide bar 201.

Specifically, the driving structure 6 includes a second guide rod 601, an L-shaped second guide rod 601 is arranged on the mounting seat 101, the accommodating structure 5 includes a sliding sleeve 503, a sliding sleeve 503 is arranged at an end of the second guide rod 601, an accommodating box 501 is arranged on the sliding sleeve 503, and an accommodating box 502 connected in a sliding manner is arranged on the accommodating box 501;

a pressurizing sleeve 606 is arranged in the mounting seat 101, a second piston 607 in sliding connection is arranged in the pressurizing sleeve 606, a pressurizing rod 605 is arranged on the second piston 607, a fourth return spring 604 is fixed on the pressurizing rod 605, the other end of the fourth return spring 604 is fixed on the pressurizing sleeve 606, a first piston 602 is arranged at the end of the second guide rod 601, the first piston 602 is in sliding connection with the sliding sleeve 503, a through hole is arranged in the second guide rod 601, and an accommodating cavity between the first piston 602 and the sliding sleeve 503 is communicated with an accommodating cavity between the second piston 607 and the pressurizing sleeve 606 through the through hole.

Specifically, a linkage rod 504 with a U-shaped cross section is fixed at the top end of the storage box 501, the linkage rod 504 can abut against a first retaining ring 403, the first retaining ring 403 is slidably connected with a guide roller 401, a second retaining ring 404 for limiting the first retaining ring 403 is arranged at one end of the guide roller 401, which is far away from the turntable 301, a driving ring 308 with an annular structure is arranged on the connecting column 302, a plurality of driving blocks 309 are arranged on the driving ring 308 in a circumferential array, the number of the driving blocks 309 is equal to that of the guide rollers 401, the driving blocks 309 are used for driving the pressure boost rod 605, the rotation angle of the pressure boost rod 605 driven by the driving blocks 309 is equal to the angle of movement when the first retaining ring 403 is in contact with the linkage rod 504, a second guide wheel 603 is arranged at the top end of the pressure boost rod 605, and the second guide wheel 603 is in rolling connection with the driving block 309.

When the invention is used, firstly, the mounting seat 101 is mounted at the storage position of the medical plastic film of the packaging equipment (namely the mounting position of the guide roller of the original medical plastic film) through the bolt, before the packaging equipment is used, medical plastic film rolls are mounted on the guide roller 401 one by one, the medical plastic film roll is sleeved on the first guide roller 401 at the right side of the containing box 501, and simultaneously, the guide post 202 is pulled, so that the guide post 202 drives the slide rod 201 to slide with the first guide rod 203, the slide rod 201 is pressed against the first reset spring 204, the guide post 202 is not pressed against the medical plastic film roll, the medical plastic film roll pushes the first check ring 403 to slide with the guide roller 401 (as the depth of the guide groove 102 is reduced from two ends to the middle and has an arc structure, at the moment, the first guide wheel 405 is positioned in the guide groove 102, the fixture block 402 is in a reset state, the medical plastic film roll can be placed on the guide roller 401), when the medical blister film roll is installed, the guide post 202 is loosened, the first return spring 204 extends to drive the slide rod 201 and the connecting sleeve 303 to slide, so that the guide post 202 on the slide rod 201 is abutted against the medical blister film roll, and the medical blister film roll has friction force due to the abutting state, so that the guide post 202 and the guide roller 401 cannot rotate, and the end part of the medical blister film roll is convenient to fix; the medical plastic film is effectively prevented from being loosened and needs to be rolled up again, so that the storage stability, the installation and replacement efficiency and the quality of the medical plastic film are greatly improved;

then, the handle 305 is held by hand to pull the positioning rod 304, the positioning rod 304 drives the baffle 307 to abut against the second return spring 306, the second return spring 306 is compressed, at the moment, the positioning rod 304 slides with the connecting column 302, the positioning rod 304 is not clamped with the mounting seat 101, then the handle 305 is rotated, the handle 305 drives the positioning rod 304, the positioning rod 304 drives the connecting column 302, the connecting column 302 drives the turntable 301 to rotate anticlockwise, the first guide wheel 405 gradually disengages from the guide groove 102 to abut against the mounting seat 101 in the rotating process, when the first guide wheel 405 abuts against the mounting seat 101, the first guide wheel 405 is driven to push the transmission block 407, the transmission block 407 pushes the driving rod 408, the connecting block 411 on the driving rod 408 drives the roller 410 to roll in the sliding groove 409, the sliding groove 409 is obliquely arranged to drive the clamping block 402 to slide out of the guide roller 401 to abut against the medical blister film roll, when the guide roller 401 on the left side rotates to the top end of the storage box 501, the handle 305 is loosened, the second return spring 306 pushes the baffle 307, the baffle 307 drives the positioning rod 304 to slide into the mounting seat 101, the turntable 301 is further prevented from rotating, meanwhile, a first guide wheel 405 corresponding to one guide roller 401 on the left side of the containing box 501 slides into the guide groove 102, the fixture block 402 slides into the guide roller 401, the medical blister film rolls are not limited, then the medical blister film rolls are correspondingly mounted on the plurality of guide rollers 401 one by one, and only one guide roller 401 corresponding to the containing box 501 is not provided with the medical blister film roll;

then, the end part of the medical blister film roll on one guide roller 401 at the top end is connected to the inside of the packaging equipment, when the packaging equipment applies pulling force to the medical blister film, the guide post 202 can drive the slide rod 201, the slide rod 201 is pressed against the first return spring 204, the medical blister film drives the guide post 202 to rotate, the medical blister film is convenient to guide, meanwhile, the guide roller 401 and the connecting sleeve 303 are driven by the medical blister film to rotate, and the rotation of the transmission block 407 cannot be limited because the first guide wheel 405 is rotatably connected with the transmission block 407;

when the medical blister film roll needs to be replaced, the medical blister film roll is sleeved on the first guide roller 401 on the right side of the containing box 501 in an idle time; the rotating turntable 301 can drive the fixture block 402 on the first guide roller 401 on the right side of the storage box 501 to automatically abut against the medical plastic film roll, meanwhile, the first retainer ring 403 on the guide roller 401 on the left side of the storage box 501 can be gradually clamped into the groove of the linkage rod 504, when the first retainer ring 403 is clamped with the linkage rod 504, the connecting column 302 can drive the driving ring 308 to rotate, so that the driving block 309 on the driving ring 308 abuts against the second guide wheel 603, the arrangement of the second guide wheel 603 is convenient for reducing friction force, so that the second guide wheel 603 can drive the pressure increasing rod 605 to push the pressure increasing rod 605, the pressure increasing rod 605 drives the fourth return spring 604 to compress, so that the pressure increasing rod 605 drives the second piston 607 to drive gas to enter between the first piston 602 and the sliding sleeve 503 from the through hole, the sliding sleeve 503 and the second guide rod 601 slide under the action of air pressure, so that the storage box 501 drives the linkage rod 504 to drive the first retainer ring 403 and the guide roller 401 to slide, so that the winding drum of the medical plastic film automatically drops into the storage box 502, when the storage box 502 is excessively drawn out to clean the winding drum of the medical plastic film inside, when the linkage rod 504 is not abutted to the first retainer ring 403, the driving block 309 is not abutted to the second guide wheel 603, the fourth reset spring 604 extends to drive the pressure boost rod 605 to reset, so that the storage box 501 resets, the flexibility of operation is greatly improved, and the winding drum of the medical plastic film is replaced and stored more conveniently and rapidly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.