CN114516082A

CN114516082A - Adjustable medical gauze cutting device

Info

Publication number: CN114516082A
Application number: CN202210083630.4A
Authority: CN
Inventors: 陈萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-05-20

Abstract

The invention relates to a cutting device, in particular to an adjustable medical gauze cutting device. Need to design one kind and can carry out the concora crush spacingly to the gauze when tailorring, the orderly cutting of being convenient for does not influence the adjustable medical gauze device of tailorring of follow-up use. The utility model provides a device is tailor to medical gauze with adjustable, includes base, shell, top shell, cutting knife, blowing device etc. and base top rigid coupling has the shell, and shell upper portion rigid coupling has the shell, and the cutting knife can be tailor the gauze, is equipped with the blowing device that is used for placing the gauze on the top shell. According to the invention, the gauze is pulled to be in proper length, then the gauze is pulled to move upwards to be in contact with the cutting knife, the gauze moves upwards to enable the cutting knife to move upwards, so that the pressing plate moves downwards to carry out flat pressing limiting on the gauze, and then the gauze continues to move upwards to be cut by the cutting knife.

Description

Adjustable medical gauze cutting device

Technical Field

The invention relates to a cutting device, in particular to an adjustable medical gauze cutting device.

Background

Medical gauze belongs to medical textile, and the gauze has good moisture absorption and dispersion performances, so that the gauze can be used for bandaging wounds in most cases.

Patent application CN210962680U, it is 20200710 to disclose a medical gauze cutting device, including the emery wheel, rubber leather sheath and axis of rotation, this medical gauze cutting device is still including placing the case, the back lid, a supporting fram, the protecgulum, linkage frame and slip sword, the back lid rotates to be connected at the rear end of placing the case, axis of rotation sliding connection is at the middle part of placing the incasement, emery wheel rotates to be connected in the axis of rotation, support frame fixed connection is at the lower extreme of placing the case, rubber leather sheath fixed connection is on the support frame, the linkage frame is set up in the support frame, and with placing case elastic connection, slip sword fixed connection is at the front end of linkage frame, and sliding connection is at the front end of placing the case, protecgulum fixed connection is at the front end of placing the case, and fixed connection is at the front end of support frame, the device can be quick with the gauze cutting, and convenient to carry, satisfy the first aid demand of outdoor activities. Although the device satisfies outdoor activities's first aid demand, because gauze pliability is big, the condition that the part weft of gauze does not cut off or "drags firmly" phenomenon when cutting and produce the end of a thread many often appears, influences follow-up use.

In order to solve the problems, the adjustable medical gauze cutting device has the advantages that flat pressing limiting can be carried out on gauze during cutting, regular cutting is facilitated, and follow-up use is not affected.

Disclosure of Invention

In order to overcome the defect that the subsequent use is influenced because the gauze is high in flexibility and the phenomenon that part of weft of the gauze is not cut off or the gauze is hard to drag during cutting frequently occurs, the adjustable medical gauze cutting device provided by the invention can be used for carrying out flat pressing and limiting on the gauze during cutting, is convenient for orderly cutting and does not influence the subsequent use.

The invention is realized by the following technical approaches:

the utility model provides a device is tailor to medical gauze with adjustable, including base, shell, top shell, cutting knife, blowing device and cutting device, base top rigid coupling has the shell, and shell upper portion rigid coupling has a shell, and the cutting knife can be tailor the gauze, is equipped with the blowing device that is used for placing the gauze on the shell of top, is equipped with the cutting device who is used for pushing down the gauze between top shell and the shell, cutting device and cutting knife fixed connection.

Further explain, the blowing device is equipped with the apron including apron, holding ring, stopper and gag lever post, the anterior dismantlement formula of epitheca, and apron trailing flank rigid coupling has the holding ring, and the holding ring can carry out the screens to the apron with the epitheca cooperation, and apron trailing flank middle part rigid coupling has the stopper, and trailing flank centre of a circle position rigid coupling has the gag lever post that is used for placing the gauze in the epitheca, and the gag lever post contacts with the stopper.

Further, the cutting device comprises a first mounting seat, a fixed block, a sliding block, a first reset spring, a first rack, a first rotating shaft, a first column gear, a first fixed plate, a pressing plate, a second rack and a material guide plate, wherein the right lower part of the outer wall of the top shell is fixedly connected with the first mounting seat, the fixed block is symmetrically and fixedly connected with the front and back of the right side surface in the first mounting seat, the sliding block is arranged in a sliding way in the fixed block and fixedly connected with a cutting knife, the first reset spring is fixedly connected between the top of the sliding block and the inside of the fixed block, the first rack is symmetrically and fixedly connected with the front and back of the top of the cutting knife, the first rotating shaft is rotatably arranged on the front and back sides of the first mounting seat, the first column gear is fixedly connected with the inner side of the first rotating shaft and is meshed with the first rack, the left side surface in the first mounting seat is fixedly connected with the first fixed plate, the pressing plate for limiting gauze is arranged in the sliding way in the first fixed plate, and second racks are symmetrically and fixedly connected in front and back of the top in the material plate, the second racks are meshed with the first column gear, and a material guide plate for guiding materials is fixedly connected to the right part of the shell.

Further, the gauze conveying device comprises a feeding device for conveying gauze, the feeding device comprises a second mounting seat, a sliding plate, a second reset spring, a second rotating shaft, a knob, a feeding column, a ratchet wheel, a mounting plate, a limiting plate and a third reset spring, the second mounting seat is embedded in the left part of the shell, the material guide plate penetrates through the second mounting seat, the sliding plate is arranged on the front side and the rear side of the second mounting seat in a sliding mode, the second reset spring is fixedly connected between the bottom of the sliding plate and the inside of the second mounting seat in a bilateral symmetry mode, the second rotating shaft is rotatably arranged between the middle parts of the sliding plates on the front side and the rear side, the knob is fixedly connected to the front end of the second rotating shaft, the feeding column for conveying gauze is fixedly connected to the middle part of the second rotating shaft, the ratchet wheel is fixedly connected to the front side and the rear side of the left side face in the second mounting seat in a front-back symmetry mode, the limiting plate is hinged to the lower part of the mounting plate, and the limiting plate is contacted with the adjacent ratchet wheel, and a third return spring is fixedly connected between the left side surface of the limiting plate and the right side surface of the mounting plate.

Further, the device comprises a releasing device for adjustment, the releasing device comprises an installation barrel, a sliding column, a pressing column, a fourth return spring, a third rack, a second column gear, a sliding rod, an arch-shaped pressing plate, a fifth return spring and a fourth rack, the installation barrel is fixedly connected to the upper side of the left part of the shell, the sliding column is arranged in the installation barrel in a sliding manner, the pressing column is fixedly connected to the lower side of the left part of the cover plate and can be contacted with the sliding column, the fourth return spring is fixedly connected between the rear end of the sliding column and the inside of the installation barrel, the third rack is fixedly connected to the middle part of the sliding column, the second column gear is rotatably arranged in the middle of the left part of the shell, the second column gear is meshed with the third rack, the sliding rods are symmetrically fixedly connected to the front and the back of the middle part of the left side of the shell, the arch-shaped pressing plate is arranged between the sliding rods on the front side and the back side, the arch-shaped pressing plate is contacted with the sliding plate, the fifth return spring is wound between the top of the arch-shaped pressing plate and the upper part of the sliding rod, and a fourth rack is fixedly connected in the middle of the top of the arch-shaped pressing plate and is meshed with the second column gear.

Further, the device comprises a protection device for protection, the protection device comprises a second fixing plate, a baffle and a sixth reset spring, the second fixing plate is fixedly connected to the outer right side face of the first mounting seat, the baffle for blocking the cutting knife is arranged in the second fixing plate in a sliding mode, and the sixth reset spring is fixedly connected between the top of the baffle and the inner top of the second fixing plate in a front-back symmetrical mode.

Further, the magnetic device for further fixing the cover plate comprises magnetic blocks and iron sheets, the magnetic blocks are symmetrically arranged in the middle of the front portion of the top shell in an embedded mode from top to bottom, the iron sheets are arranged in the upper side and the lower side of the middle of the cover plate in an embedded mode, and the iron sheets can be adsorbed with the magnetic blocks.

Further, the positioning ring is made of rubber.

The invention has the remarkable improvements that:

1. according to the invention, the gauze is pulled to be in proper length, then the gauze is pulled to move upwards to be in contact with the cutting knife, the gauze moves upwards to enable the cutting knife to move upwards, so that the pressing plate moves downwards to carry out flat pressing limiting on the gauze, and then the gauze continues to move upwards to be cut by the cutting knife.

2. Under the action of the feeding device, the knob rotates forwards to drive the second rotating shaft to rotate forwards, the second rotating shaft rotates forwards to drive the feeding column to rotate forwards, and the feeding column rotates forwards to send out the gauze.

3. Under the action of the protection device, the baffle plate can prevent people from accidentally touching the cutting knife to cause injury, so that people can be prevented from accidentally touching the cutting knife.

Drawings

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

Fig. 2 is a partial sectional structure diagram of the present invention.

FIG. 3 is a schematic cross-sectional view of the dispensing device of the present invention.

FIG. 4 is a schematic cross-sectional view of the cutting device of the present invention.

Fig. 5 is an enlarged schematic view of part a of the present invention.

Fig. 6 is a schematic view of a partial cross-sectional structure of the cutting device of the present invention.

Fig. 7 is a schematic perspective view of the feeding device of the present invention.

Fig. 8 is a schematic cross-sectional structure diagram of the feeding device of the present invention.

Fig. 9 is an enlarged view of part B of the present invention.

FIG. 10 is a schematic cross-sectional view of a release mechanism of the present invention.

Fig. 11 is an enlarged view of part C of the present invention.

FIG. 12 is a schematic view of a partial cross-sectional structure of the release mechanism of the present invention.

FIG. 13 is a schematic perspective view of a portion of the release mechanism of the present invention.

Fig. 14 is a schematic cross-sectional view of the protection device of the present invention.

FIG. 15 is a perspective view of the magnetic attraction device of the present invention.

Part names and serial numbers in the figure: 1-base, 2-housing, 3-top shell, 4-cutting knife, 5-discharging device, 51-cover plate, 52-positioning ring, 53-limiting block, 54-limiting rod, 6-cutting device, 61-first mounting seat, 62-fixing block, 63-sliding block, 64-first return spring, 65-first rack, 66-first rotating shaft, 67-first column gear, 68-first fixing plate, 69-pressing plate, 610-second rack, 611-guide plate, 7-feeding device, 71-second mounting seat, 72-sliding plate, 73-second return spring, 74-second rotating shaft, 75-knob, 76-feeding column, 77-ratchet wheel, 78-mounting plate, 79-limiting plate, 710-a third return spring, 8-a release device, 81-an installation barrel, 82-a sliding column, 83-a pressing column, 84-a fourth return spring, 85-a third rack, 86-a second column gear, 87-a sliding rod, 88-a bow-shaped pressing plate, 89-a fifth return spring, 810-a fourth rack, 9-a protection device, 91-a second fixing plate, 92-a baffle, 93-a sixth return spring, 10-a magnetic attraction device, 101-a magnetic block and 102-an iron sheet.

Detailed Description

The invention is further illustrated by the following specific examples in which, unless otherwise explicitly stated and limited, terms such as: the arrangement, installation, connection are to be understood broadly, for example, they may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The utility model provides a device is tailor to medical gauze with adjustable, as shown in fig. 1-6, including base 1, shell 2, top shell 3, cutting knife 4, blowing device 5 and cutting device 6, there is shell 2 at base 1 top through the bolt rigid coupling, there is top shell 3 on 2 upper portions of shell through the bolt rigid coupling, cutting knife 4 can be tailor to the gauze, be equipped with the blowing device 5 that is used for placing the gauze on the top shell 3, be equipped with the cutting device 6 that is used for pushing down the gauze between top shell 3 and the shell 2, cutting device 6 and cutting knife 4 fixed connection.

As shown in fig. 1-3, the discharging device 5 includes a cover plate 51, a positioning ring 52, a limiting block 53 and a limiting rod 54, the cover plate 51 is detachably disposed at the front portion of the top shell 3, the positioning ring 52 is fixedly connected to the rear side of the cover plate 51, the positioning ring 52 is matched with the top shell 3 to clamp the cover plate 51, the positioning ring 52 is made of rubber, the limiting block 53 is fixedly connected to the middle portion of the rear side of the top shell 3, the limiting rod 54 is fixedly connected to the center of the rear side of the top shell 3 through a bolt, gauze can be placed on the limiting rod 54, and the limiting rod 54 contacts with the limiting block 53.

As shown in fig. 1, 2, 4, 5 and 6, the cutting device 6 includes a first mounting seat 61, a fixed block 62, a sliding block 63, a first return spring 64, a first rack 65, a first rotating shaft 66, a first column gear 67, a first fixed plate 68, a pressing plate 69, a second rack 610 and a material guiding plate 611, the first mounting seat 61 is fixedly connected to the right lower portion of the outer wall of the top housing 3, the fixed block 62 is symmetrically fixedly connected to the front and back of the right side surface in the first mounting seat 61, the sliding block 63 is slidably arranged in the fixed block 62, the cutting knife 4 is fixedly connected between the two sliding blocks 63, the cutting knife 4 can cut gauze, the first return spring 64 is fixedly connected between the top of the sliding block 63 and the inside of the fixed block 62, the first rack 65 is symmetrically fixedly connected to the front and back of the top of the cutting knife 4, the first rotating shaft 66 is rotatably arranged on the front and back sides of the first mounting seat 61, the first column gear 67 is fixedly connected to the inner side of the first rotating shaft 66, the first column gear 67 is meshed with the first rack 65 on the same side, the first fixing plate 68 is fixedly connected to the left side face in the first mounting seat 61, the pressing plate 69 is arranged in the first fixing plate 68 in a sliding mode, gauze can be pressed and fixed by pressing the pressing plate 69, the second racks 610 are fixedly connected to the front and back of the inner top of the pressing plate 69 in a symmetrical mode, the second racks 610 are meshed with the first column gear 67 on the same side, the right portion of the shell 2 is fixedly connected with the material guide plate 611, and the material guide plate 611 can guide and discharge materials.

Firstly, an operator opens the cover plate 51, then sleeves gauze on the limiting rod 54, pulls the tail end of the gauze to pass through the material guide plate 611, and then closes the cover plate 51, because the positioning ring 52 is made of rubber and has certain plasticity, the cover plate 51 can be fixed, and the limiting block 53 is also sleeved on the limiting rod 54 to limit the gauze, if people use the gauze, firstly pulls the gauze by a proper length, then pulls the gauze to move upwards to be contacted with the cutting knife 4, the gauze moves upwards to enable the cutting knife 4 to move upwards, the cutting knife 4 moves upwards to drive the sliding block 63 to move upwards, the first return spring 64 is compressed, the sliding block 63 moves upwards to drive the first rack 65 to move upwards, the first rack 65 moves upwards to drive the first column gear 67 to rotate backwards, the first column gear 67 rotates backwards to drive the second rack 610 to move downwards, the second rack 610 moves downwards to drive the pressing plate 69 to move downwards, carry on spacingly according to flitch 69 downstream to the gauze continues the rebound to be tailor by cutting knife 4, and then the gauze is tailor and is accomplished the back, because of first reset spring 64's effect, sliding block 63 drives cutting knife 4 rebound and resets, presses flitch 69 also rebound to reset.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 7, 8 and 9, the device further includes a feeding device 7, the feeding device 7 includes a second mounting seat 71, a sliding plate 72, a second return spring 73, a second rotating shaft 74, a knob 75, a feeding column 76, a ratchet wheel 77, a mounting plate 78, a limiting plate 79 and a third return spring 710, the second mounting seat 71 is embedded in the left portion of the housing 2, a material guiding plate 611 passes through the second mounting seat 71, the sliding plates 72 are slidably disposed on the front and rear sides of the second mounting seat 71, the second return spring 73 is symmetrically and fixedly connected between the bottom of the sliding plate 72 and the inside of the second mounting seat 71 from left to right, the second rotating shaft 74 is rotatably disposed between the middle portions of the sliding plates 72 on the front and rear sides, the knob 75 is fixedly connected to the front end of the second rotating shaft 74, the feeding column 76 is fixedly connected to the middle portion of the second rotating shaft 74, when the feeding column 76 rotates forwards, the feeding column 76 can convey gauze, ratchet wheels 77 are fixedly connected to the front side and the rear side of the second rotating shaft 74, mounting plates 78 are symmetrically and fixedly connected to the front side and the rear side of the middle portion of the left side face in the second mounting seat 71, limiting plates 79 are hinged to the lower portions of the mounting plates 78, the limiting plates 79 are in contact with the adjacent ratchet wheels 77, and third return springs 710 are fixedly connected between the left side faces of the limiting plates 79 and the right side faces of the mounting plates 78.

As shown in fig. 1, 10, 11, 12 and 13, the release device 8 further comprises a release device 8, the release device 8 comprises a mounting cylinder 81, a sliding cylinder 82, a pressing cylinder 83, a fourth return spring 84, a third rack 85, a second rack gear 86, a sliding rod 87, an arch-shaped pressing plate 88, a fifth return spring 89 and a fourth rack 810, the mounting cylinder 81 is fixedly connected to the upper side of the left portion of the housing 2, the sliding cylinder 82 is slidably arranged in the mounting cylinder 81, the pressing cylinder 83 is fixedly connected to the lower side of the left portion of the cover plate 51, the pressing cylinder 83 can be in contact with the sliding cylinder 82, the fourth return spring 84 is fixedly connected between the rear end of the sliding cylinder 82 and the inside of the mounting cylinder 81, the third rack 85 is fixedly connected to the middle portion of the sliding cylinder 82, the second rotating rack gear 86 is rotatably arranged in the middle portion of the left portion of the housing 2, the second rack gear 86 is engaged with the third rack 85, the sliding rod 87 is fixedly connected to the middle portion of the left side surface of the housing 2, the sliding rod 87 is fixedly connected to the front and back symmetrically, the sliding pressing plate 88 is arranged between the sliding rod 87, the bow-shaped pressing plate 88 is contacted with the sliding plate 72, a fifth return spring 89 is wound between the top of the bow-shaped pressing plate 88 and the upper part of the sliding rod 87, a fourth rack 810 is fixedly connected in the middle of the top of the bow-shaped pressing plate 88, and the fourth rack 810 is meshed with the second column gear 86.

When gauze is sleeved on the limiting rod 54, the tail end of the gauze is pulled to penetrate through the material guide plate 611, the cover plate 51 is further closed, the feeding column 76 is always moved upwards to be in contact with the gauze under the action of the second return spring 73, if people use the gauze, the knob 75 can be twisted to rotate forwards, the knob 75 rotates forwards to drive the second rotating shaft 74 to rotate forwards, the second rotating shaft 74 rotates forwards to drive the feeding column 76 to rotate forwards, the gauze is sent out through the feeding column 76, meanwhile, the second rotating shaft 74 rotates forwards to drive the ratchet 77 to rotate forwards, the ratchet 77 slides on the limiting plate 79 under the action of the third return spring 710, the twisting of the knob 75 is stopped after the gauze is sent out for a proper length, the feeding column 76 stops rotating forwards, if people twist the knob 75 to rotate backwards, the limiting plate 79 limits the ratchet 77, the second rotating shaft 74 is limited, and therefore people can pull out the gauze conveniently.

Initially, the fourth return spring 84 and the fifth return spring 89 are both in a compressed state, when a person replaces gauze, the cover plate 51 is opened, the pressing column 83 is separated from the sliding column 82, the sliding column 82 drives the third rack 85 to move forward and return under the action of the fourth return spring 84, the third rack 85 moves forward and drives the second rack 86 to rotate reversely, the second rack 86 rotates reversely and drives the fourth rack 810 to move downward, the fourth rack 810 moves downward and drives the bow-shaped pressing plate 88 to move downward, the fifth return spring 89 plays a role of assisting power, the bow-shaped pressing plate 88 moves downward and drives the sliding plate 72 to move downward, the second return spring 73 is compressed, the sliding plate 72 moves downward and drives the second rotating shaft 74 to move downward and drive the feeding column 76 to move downward, so that new gauze is sleeved on the limiting rod 54, the cover plate 51 is closed, the pressing column 83 is in contact with the sliding column 82, the pressing post 83 enables the sliding post 82 to move backwards to reset, the fourth reset spring 84 is compressed, the fourth rack 810 also drives the bow-shaped pressing plate 88 to move upwards to reset, the fifth reset spring 89 is compressed, and due to the action of the second reset spring 73, the sliding plate 72 drives the feeding post 76 to move upwards to reset through the second rotating shaft 74, so that gauze can conveniently pass through the material guide plate 611 after being replaced by gauze.

Example 3

On the basis of embodiment 1 and embodiment 2, as shown in fig. 14, the cutting tool further includes a protection device 9, the protection device 9 includes a second fixing plate 91, a baffle plate 92 and a sixth return spring 93, the second fixing plate 91 is fixedly connected to the outer right side surface of the first mounting seat 61, the baffle plate 92 used for blocking the cutting knife 4 is arranged in the second fixing plate 91 in a sliding manner, the baffle plate 92 can prevent people from being injured due to mistaken collision of the cutting knife 4, and the sixth return spring 93 is symmetrically fixedly connected to the front and back between the top of the baffle plate 92 and the inner top of the second fixing plate 91.

As shown in fig. 15, the magnetic device 10 is further included, the magnetic device 10 includes magnetic blocks 101 and iron sheets 102, the magnetic blocks 101 are symmetrically arranged in the middle of the front portion of the top case 3 in an embedded manner, the iron sheets 102 are arranged in the middle of the cover plate 51 in an embedded manner on the upper and lower sides of the middle portion, the iron sheets 102 can be adsorbed to the magnetic blocks 101, and when the magnetic blocks 101 adsorb the iron sheets 102, the cover plate 51 is also adsorbed and fixed.

When people need use the gauze, pulling gauze rebound also contacts with baffle 92, and baffle 92 cushions the gauze through sixth reset spring 93, if need not to use this device time, baffle 92 also can avoid people mistake to bump cutting knife 4 and lead to the injury, so, can avoid people mistake to bump cutting knife 4.

When people cover the cover plate 51, the iron sheet 102 is in contact with the magnetic block 101, the magnetic block 101 adsorbs the iron sheet 102, the cover plate 51 is also adsorbed and fixed, and therefore the cover plate 51 can be prevented from falling.

Finally, it is necessary to state that: the above-mentioned contents are only used to help understanding the technical solution of the present invention, and should not be interpreted as limiting the scope of the present invention; insubstantial modifications and adaptations of the invention as described above will occur to those skilled in the art and are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a device is tailor to medical gauze with adjustable, including base (1), shell (2), top shell (3) and cutting knife (4), base (1) top rigid coupling has shell (2), shell (2) upper portion rigid coupling has top shell (3), cutting knife (4) can be tailor to the gauze, a serial communication port, still including blowing device (5) and cutting device (6), be equipped with blowing device (5) that are used for placing the gauze on top shell (3), be equipped with cutting device (6) that are used for pushing down the gauze between top shell (3) and shell (2), cutting device (6) and cutting knife (4) fixed connection.

2. The adjustable medical gauze cutting device according to claim 1, wherein the discharging device (5) comprises a cover plate (51), a positioning ring (52), a limiting block (53) and a limiting rod (54), the cover plate (51) is detachably arranged at the front part of the top shell (3), the positioning ring (52) is fixedly connected to the rear side of the cover plate (51), the positioning ring (52) is matched with the top shell (3) to clamp the cover plate (51), the limiting block (53) is fixedly connected to the middle part of the rear side of the cover plate (51), the limiting rod (54) for placing gauze is fixedly connected to the center of the circle of the rear side in the top shell (3), and the limiting rod (54) contacts with the limiting block (53).

3. The adjustable medical gauze cutting device according to claim 2, wherein the cutting device (6) comprises a first mounting seat (61), a fixed block (62), a sliding block (63), a first reset spring (64), a first rack (65), a first rotating shaft (66), a first column gear (67), a first fixed plate (68), a material pressing plate (69), a second rack (610) and a material guide plate (611), the first mounting seat (61) is fixedly connected to the right lower portion of the outer wall of the top shell (3), the fixed block (62) is fixedly connected to the front and back of the right side surface in the first mounting seat (61) in a front-back symmetrical manner, the sliding block (63) is arranged in the fixed block (62) in a sliding manner, the sliding block (63) is fixedly connected with the cutting knife (4), the first reset spring (64) is fixedly connected between the top of the sliding block (63) and the inside of the fixed block (62), the first rack (65) is fixedly connected to the front and back of the top of the cutting knife (4) in a front-back symmetrical manner, both sides all the rotary type is equipped with first pivot (66) around first mount pad (61), the inboard rigid coupling of first pivot (66) has first column gear (67), first column gear (67) and first rack (65) meshing, left surface rigid coupling has first fixed plate (68) in first mount pad (61), first fixed plate (68) internal sliding type is equipped with and is used for spacing according to flitch (69) to the gauze, it has second rack (610) to press flitch (69) interior top front and back symmetry rigid coupling, second rack (610) and first column gear (67) meshing, shell (2) right part rigid coupling has stock guide (611) that is used for the guide.

4. The adjustable medical gauze cutting device according to claim 3, further comprising a feeding device (7) for conveying gauze, wherein the feeding device (7) comprises a second mounting seat (71), a sliding plate (72), a second return spring (73), a second rotating shaft (74), a knob (75), a feeding column (76), a ratchet wheel (77), a mounting plate (78), a limiting plate (79) and a third return spring (710), the second mounting seat (71) is embedded in the left portion of the housing (2), the material guide plate (611) passes through the second mounting seat (71), the sliding plates (72) are slidably arranged on the front and rear sides of the second mounting seat (71), the second return spring (73) is fixedly connected between the bottom of the sliding plate (72) and the inside of the second mounting seat (71) in a left-right symmetrical manner, the second rotating shaft (74) is rotatably arranged between the sliding plates (72) on the front and rear sides, knob (75) have been connected to second pivot (74) front end rigid coupling, second pivot (74) middle part rigid coupling has the pay-off post (76) that is used for carrying the gauze, both sides all rigid coupling have ratchet (77) around second pivot (74), the symmetry rigid coupling has mounting panel (78) around left flank middle part in second mount pad (71), mounting panel (78) lower part articulated formula is equipped with limiting plate (79), limiting plate (79) and adjacent ratchet (77) contact, the rigid coupling has third reset spring (710) between limiting plate (79) left surface and mounting panel (78) right flank.

5. The adjustable medical gauze cutting device according to claim 4, further comprising a releasing device (8) for adjustment, wherein the releasing device (8) comprises a mounting cylinder (81), a sliding column (82), a pressing column (83), a fourth return spring (84), a third rack (85), a second rack gear (86), a sliding rod (87), an arch-shaped pressing plate (88), a fifth return spring (89) and a fourth rack (810), the mounting cylinder (81) is fixedly connected to the upper side of the left portion of the housing (2), the sliding column (82) is slidably arranged in the mounting cylinder (81), the pressing column (83) is fixedly connected to the lower side of the left portion of the cover plate (51), the pressing column (83) can be in contact with the sliding column (82), the fourth return spring (84) is fixedly connected between the rear end of the sliding column (82) and the inside of the mounting cylinder (81), the third rack (85) is fixedly connected to the middle portion of the sliding column (82), shell (2) left part middle rotary type is equipped with second column gear (86), second column gear (86) and third rack (85) meshing, the symmetry rigid coupling has slide bar (87) around the left surface middle part in shell (2), it is equipped with bow type clamp plate (88) to slidingtype between front and back both sides slide bar (87), bow type clamp plate (88) and sliding plate (72) contact, it has fifth reset spring (89) to have the round joint between bow type clamp plate (88) top and slide bar (87) upper portion, the rigid coupling has fourth rack (810) in the middle of bow type clamp plate (88) top, fourth rack (810) and second column gear (86) meshing.

6. The adjustable medical gauze cutting device according to claim 5, further comprising a protecting device (9) for protection, wherein the protecting device (9) comprises a second fixing plate (91), a baffle (92) and a sixth return spring (93), the second fixing plate (91) is fixedly connected to the outer right side surface of the first mounting seat (61), the baffle (92) for blocking the cutting knife (4) is slidably arranged in the second fixing plate (91), and the sixth return spring (93) is symmetrically fixedly connected to the front and back between the top of the baffle (92) and the inner top of the second fixing plate (91).

7. The adjustable medical gauze cutting device according to claim 6, further comprising a magnetic attraction device (10) for further fixing the cover plate (51), wherein the magnetic attraction device (10) comprises magnetic blocks (101) and iron sheets (102), the magnetic blocks (101) are symmetrically arranged in the middle of the front portion of the top shell (3) in an embedded manner, the iron sheets (102) are arranged in the middle of the cover plate (51) in an embedded manner, and the iron sheets (102) can be attracted to the magnetic blocks (101).

8. The adjustable cutting device for medical gauze as claimed in claim 6, wherein the positioning ring (52) is made of rubber.