CN214326655U

CN214326655U - Doubling system of gauze pad

Info

Publication number: CN214326655U
Application number: CN202022806307.4U
Authority: CN
Inventors: 李建全; 徐健
Original assignee: Winner Medical Supplies Jingmen Co ltd
Current assignee: Winner Medical Supplies Jingmen Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-10-01
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a gauze pad production facility technical field especially relates to the fifty percent discount system of gauze pad. The frame is of a vertically arranged frame structure, the coil roll is arranged on the right side of the frame in the front-back direction, the rear end of the coil roll is fixedly connected with the frame, the folding device is arranged in the frame and used for folding the coil, the feeding end of the folding device is communicated with the periphery of the coil roll, the left-right direction of the first folding roll is arranged below the folding device, the discharging end of the folding unit is communicated with the periphery of the first folding roll, the first feeding roll and the second feeding roll are arranged in the left-right direction, and the first feeding roll, the feeding roll assembly and the second feeding roll are sequentially arranged at intervals in the conveying direction of the coil. Fifty percent discount system, can directly carry the coil stock after the fifty percent discount to folder department, need not to carry out extra upward roll and roll down the operation, showing fifty percent discount and the folding efficiency that has improved the coil stock.

Description

Doubling system of gauze pad

Technical Field

The utility model relates to a gauze pad production facility technical field especially relates to a fifty percent discount system of gauze pad.

Background

In the production process of the gauze pad, the roll material needs to be folded and then conveyed to a folding machine for folding. In the prior art, the folded coil stock needs to be conveyed to a folding machine after being subjected to inefficient coiling and uncoiling again, so that the working efficiency of the gauze pad is reduced, and the labor intensity of workers is improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a fifty percent discount system of gauze pad.

The utility model provides a doubling system of gauze pad, which comprises a frame, a coiling roller, a doubling device, a first folding roller, a first feeding roller, a feeding roller component and a second feeding roller, wherein the frame is a vertically arranged frame structure, the coiling roller is arranged on the right side of the frame along the front-back direction, the rear end of the coiling roller is fixedly connected with the frame, the doubling device is arranged in the frame and is used for doubling the coiling material, the feeding end of the doubling device is communicated with the periphery of the coiling roller, the first folding roller is arranged below the doubling device along the left-right direction and is rotatably connected with the frame, the discharging end of the folding unit is communicated with the periphery of the first folding roller, the first feeding roller and the second feeding roller are all arranged along the left-right direction, and the first feeding roller, the feeding roller component and the second feeding roller are respectively arranged along the conveying direction of the coiling material at intervals in sequence, and are all rotationally connected with the frame, and the second feed roller is communicated with the feed end of the folding machine.

Furthermore, the folding device comprises a folding plate, an adjusting rod and a first driving unit, the folding plate is of an isosceles triangle structure, the bottom edge of the folding plate is connected with the upper end of the right side edge of the rack in a sliding manner, the top end of the folding plate is arranged downwards, an acute angle is formed between the folding plate and the right side edge of the rack, one end of the adjusting rod is connected with the right side wall of the folding plate in a rotating manner, the first driving unit is arranged on the rack, the driving end of the first driving unit is connected with the other end of the adjusting rod in a transmission manner, the first driving unit can drive the adjusting rod to drive the folding plate to move back and forth along the rack, the lower end of the rack is provided with a sliding frame and a second driving unit, wherein the sliding frame is connected with the rack in a sliding manner, the first folding roller is arranged on the sliding frame in a left-right manner, and the left and right ends of the first folding roller are respectively connected with the corresponding sides of the sliding frame in a rotating manner, the second driving unit is in transmission connection with the sliding frame and can drive the sliding frame to drive the first folding roller to move back and forth along the rack.

Furthermore, joint bearings are arranged at two ends of the adjusting rod, a first bearing seat is arranged in the middle of the side wall of the right side of the folded plate, and the two joint bearings are respectively and correspondingly connected with the first bearing seat and the driving end of the first driving unit in a rotating mode.

Further, first drive unit includes first lead screw, second slide bar and first hand wheel, the second slide bar sets up along the fore-and-aft direction the right side of frame, and with frame fixed connection, the coaxial second linear bearing that is equipped with on the second slide bar, the second linear bearing is close to one side of adjusting the pole is equipped with the second bearing seat, sets up the pole is kept away from to the one end of folded plate joint bearing with the second bearing seat rotates to be connected, first lead screw sets up along the fore-and-aft direction, its front end extend to with the front end of the right side of frame rotates to be connected, the upper end of second bearing seat is equipped with the nut, the rear end of first lead screw extend to with nut threaded connection, first hand wheel with the front end fixed connection of first lead screw.

Further, the second drive unit includes second lead screw, two bar slide rails and second hand wheel, two the bar slide rail all sets up along the fore-and-aft direction to control interval distribution and be in the left and right sides of frame lower extreme, the carriage is the frame construction of rectangle, and its level sets up two the top of bar slide rail, and with bar slide rail sliding connection, the second lead screw sets up along the fore-and-aft direction the place ahead of carriage, its rear end with the carriage rotates to be connected, the second hand wheel with the front end fixed connection of second lead screw.

Further, the first feeding roller, the feeding roller assembly and the second feeding roller are sequentially arranged upwards at intervals along the feeding direction of the coiled material, wherein the second feeding roller is rotatably arranged at the upper end of the rear side of the rack.

Furthermore, a third screw rod arranged in parallel with the first folding roller is arranged above the rear side of the first folding roller, two ends of the third screw rod are respectively connected with corresponding sides of the rack in a rotating mode, a third hand wheel is arranged at any end of the third screw rod, and the first feeding roller is coaxially sleeved outside the third screw rod.

Furthermore, the feeding roller assembly comprises two fifth feeding rollers and a third driving unit, two driving plates which are vertically arranged and are respectively arranged at intervals along the left and right directions of the rack are arranged on the upper portion of the side edge of the rear side of the rack, the two fifth feeding rollers are vertically arranged between the two driving plates at intervals and are both rotatably connected with the driving plates, a channel for passing a coil stock is formed between the two fifth feeding rollers, the third driving unit is arranged on the side edge of the rear side of the rack, and a driving end of the third driving unit is in transmission connection with any one of the fifth feeding rollers and can drive the corresponding fifth feeding roller to rotate.

Furthermore, the number of the second feeding rollers is two, the upper end of the side edge of the rear side of the rack is provided with a second connecting frame arranged along the front-rear direction, the two second feeding rollers are arranged along the left-right direction and are distributed at the upper end of the second connecting frame at intervals along the front-rear direction, the two ends of each second feeding roller are respectively connected with the corresponding end of the corresponding second connecting frame in a rotating mode, a third feeding roller arranged in parallel to the second feeding rollers is arranged below the position between the two second feeding rollers, the two ends of each third feeding roller are respectively connected with the corresponding side of the rack in a rotating mode, and the second feeding rollers positioned on the rear side are communicated with the feeding end of the folding machine.

The utility model provides a beneficial effect that technical scheme brought is: fifty percent discount system, can directly carry the coil stock after the fifty percent discount to folder department, need not to carry out extra scroll and roll down the operation, showing the fifty percent discount and the folding efficiency that have improved the coil stock to and improved the production efficiency of gauze pad, in addition, can also show reduction workman's work degree, reduce the cost of labor, still have advantages such as simple structure, convenient operation and implementation cost are low.

Drawings

Fig. 1 is a schematic structural view of a doubling system of a gauze pad according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic structural diagram of a doubling system of a gauze pad according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1-3, an embodiment of the present invention provides a folding system for a gauze pad, including a frame 10, a winding roller 20, a folding device, a first folding roller 40, a first feeding roller 50, a feeding roller assembly and a second feeding roller 70, wherein the frame 10 is a vertically disposed frame structure, the winding roller 20 is disposed on the right side of the frame 10 along the front-back direction, the rear end of the winding roller is fixedly connected to the frame 10, the folding device is disposed in the frame 10 and is used for folding the winding, the feeding end of the folding device is communicated with the periphery of the winding roller 20, the first folding roller 40 is disposed below the folding device along the left-right direction and is rotatably connected to the frame 10, the discharging end of the folding unit is communicated with the periphery of the first folding roller 40, the first feeding roller 50 and the second feeding roller 70 are both disposed along the left-right direction, the first feeding roller 50, the feeding roller assembly and the second feeding roller 70 are sequentially arranged at intervals along the conveying direction of the coil materials and are rotatably connected with the rack 10, and the second feeding roller 70 is communicated with the feeding end of the folding machine.

The utility model discloses in, frame construction's frame 10 can alleviate the weight of fifty percent discount system, can also reach the purpose that reduces fifty percent discount system manufacturing cost. In addition, in order to extend the conveying path of the roll, the roll 20 is disposed at a middle position of the right side of the frame 10 and fixedly connected to the frame 10 by the first connecting frame 11, and the folio device is disposed at an upper end of the right side of the frame 10. The coil stock is coaxially sleeved on the coil stock roller 20, the coil stock is input into the folding device from the feed end of the folding device, the folding device folds the coil stock, the coil stock is output to the first folding roller 40 from the discharge end of the folding device, and the folded coil stock is conveyed to the feed end of the folding machine after bypassing the first folding roller 40, the first feeding roller 50, the feeding roller assembly and the second feeding roller 70 in sequence. Wherein, it is required to explain, the utility model discloses do not restrict the structure of folder, among the prior art for carry out folding equipment of handling to the gauze pad and all can regard as the utility model discloses well folder's concrete embodiment. Fifty percent discount system, can directly carry the coil stock after the fifty percent discount to folder department, need not to carry out extra scroll and roll down the operation, showing the fifty percent discount and the folding efficiency that have improved the coil stock to and improved the production efficiency of gauze pad, in addition, can also show reduction workman's work degree, reduce the cost of labor, still have advantages such as simple structure, convenient operation and implementation cost are low.

In the above embodiment, the folding device includes a folding plate 30, an adjusting rod 31 and a first driving unit, the folding plate 30 is an isosceles triangle structure, the bottom side of the folding plate is slidably connected to the upper end of the right side of the frame 10, the top end of the folding plate is disposed downward, an acute angle is formed between the folding plate 30 and the right side of the frame 10, one end of the adjusting rod 31 is rotatably connected to the right side wall of the folding plate 30, the first driving unit is disposed on the frame 10, the driving end of the first driving unit is in transmission connection with the other end of the adjusting rod 31, the first driving unit can drive the adjusting rod 31 to drive the folding plate 30 to move back and forth along the frame 10, the lower end of the frame 10 is provided with a sliding frame 42 and a second driving unit, wherein the sliding frame 42 is slidably connected to the frame 10, the first folding roller 40 is disposed on the sliding frame 42 in a left-right manner, the left end and the right end of the first folding roller are respectively connected with the corresponding sides of the sliding frame 42 in a rotating mode, the second driving unit is connected with the sliding frame 42 in a transmission mode, and the sliding frame 42 can be driven to drive the first folding roller 40 to move back and forth along the rack 10.

The utility model discloses in, the upper end of frame 10 right side limit is equipped with the guide roller 43 that sets up along the fore-and-aft direction, guide roller 43 pass through the bearing with the upper end of the right side limit of frame 10 is rotated and is connected. The upper portion of the right side of the frame 10 is provided with a plurality of first linear bearings 45 which are distributed at intervals along the front-rear direction, the first slide bar 44 is coaxially arranged in the plurality of first linear bearings 45, the right side wall of the folding plate 30 is provided with two connecting plates 46 which are vertically arranged and distributed at intervals along the front-rear direction, and the front end and the rear end of the first slide bar 44 respectively penetrate through the corresponding connecting plates 46 and are connected with the corresponding connecting plates 46 in a sliding manner. The coil stock passes through the guide roller 43 and then is spread on the folding plate 30, and is folded in half by two side edges of the folding plate 30 and then is conveyed to the first folding roller 40. The first driving unit drives the adjusting rod 31 to drive the folding plate 30 to move back and forth, and the second driving unit drives the sliding rack 42 to drive the first folding roller 40 to move back and forth, so that the purpose of adjusting the folding area of the coil stock is achieved. In order to fix the first folding roller 40 conveniently, the upper end of the sliding frame 42 is provided with two vertically arranged mounting plates 421, and the first folding roller 40 is mounted between the two mounting plates 421 and is rotatably connected with the mounting plates 421.

In the above embodiment, the two ends of the adjusting rod 31 are both provided with joint bearings 47, the middle part of the right side wall of the folded plate 30 is provided with a first bearing seat 48, and the two joint bearings 47 are respectively and correspondingly connected with the first bearing seat 48 and the driving end of the first driving unit in a rotating manner.

The utility model discloses in, can reach the purpose of adjusting the folded plate 30 angle through joint bearing 47, and then realize adjusting the purpose of coil stock fifty percent discount area.

In the above embodiment, the first driving unit includes the first lead screw 90, the second slide bar 91, and the first hand wheel 92, the second slide bar 91 is disposed at the right side edge of the frame 10 in the front-rear direction, and is fixedly connected with the frame 10, a second linear bearing 93 is coaxially arranged on the second slide bar 91, a second bearing seat 94 is arranged on one side of the second linear bearing 93 close to the adjusting rod 31, the knuckle bearing 47 arranged at one end of the adjusting rod 31 far away from the pair of folding plates 30 is rotatably connected with the second bearing seat 94, the first screw rod 90 is arranged along the front-back direction, the front end of the second bearing block extends to the front end of the right side edge of the frame 10 to be rotatably connected with the front end of the right side edge of the frame 10, the upper end of the second bearing block 94 is provided with a nut 95, the rear end of the first screw rod 90 extends to be in threaded connection with the nut 95, and the first hand wheel 92 is fixedly connected with the front end of the first screw rod 90.

In the present invention, by rotating the first hand wheel 92, the second bearing seat 94 and the second linear bearing 93 driven by the first lead screw 90 can be driven to move back and forth along the second sliding bar 91. First drive unit has easy operation and implementation cost low grade advantage, and still need not to consume the energy, and the feature of environmental protection is strong. Wherein, the second sliding bar 91 is fixedly connected with the frame 10 through a third bearing seat.

In the above embodiment, the second driving unit includes a second screw 96, two strip-shaped slide rails 97 and a second wheel 98, the two strip-shaped slide rails 97 are disposed along the front-back direction and are distributed on the left and right sides of the lower end of the rack 10 at intervals, the sliding rack 42 is a rectangular frame structure, the frame structure is horizontally disposed above the two strip-shaped slide rails 97 and is slidably connected with the strip-shaped slide rails 97, the second screw 96 is disposed in front of the sliding rack 42 along the front-back direction, the rear end of the second screw is rotatably connected with the sliding rack 42, and the second wheel 98 is fixedly connected with the front end of the second screw 96.

The utility model discloses in, the left and right sides of carriage 42 lower extreme all is equipped with along preceding rear direction interval distribution's sliding block 99, the upper end embedding of bar slide rail 97 corresponds the lower extreme of sliding block 99 to sliding connection with sliding block 99 to one. The upper end of the sliding frame 42 is vertically provided with two third connecting plates 46 along the front-back direction, the two third connecting plates 46 are respectively distributed along the left-right direction at intervals, the first folding roller 40 is arranged between the two third connecting plates 46, and two ends of the first folding roller are respectively connected with the corresponding third connecting plates 46 in a rotating manner. The front side of the sliding frame 42 is provided with a fourth connecting plate 46 with an inverted L-shaped structure, and the rear end of the second screw 96 passes through the front side of the fourth connecting plate 46 and is rotatably connected with the fourth connecting plate 46. By rotating the second hand wheel 98, the sliding rack 42 driven by the second lead screw 96 can be driven to move back and forth along the strip-shaped sliding rail 97. First drive unit has easy operation and implementation cost low grade advantage, and still need not to consume the energy, and the feature of environmental protection is strong. Wherein, the second sliding bar 91 is fixedly connected with the frame 10 through a third bearing seat.

In the above embodiment, the first feeding roller 50, the feeding roller assembly and the second feeding roller 70 are sequentially arranged upward at intervals along the feeding direction of the coil, wherein the second feeding roller 70 is rotatably installed at the upper end of the rear side of the frame 10.

In the present invention, the first feed roller 50 is located above the rear side of the first folding roller 40.

In the above embodiment, a third screw 100 arranged in parallel with the first folding roller 40 is arranged above the rear side of the first folding roller, two ends of the third screw 100 are respectively connected with the corresponding sides of the frame 10 in a rotating manner, a third hand wheel 101 is arranged at any end of the third screw, and the first feeding roller 50 is coaxially sleeved outside the third screw 100.

The utility model discloses in, both ends all correspond the side rotation through bearing frame and frame 10 about third lead screw 100 and are connected, and is concrete, and third hand wheel 101 fixed mounting is at the left end of third lead screw 100, through rotating third hand wheel 101, reaches the purpose that drives about third lead screw 100 drives first feed roller 50 and removes. Similarly, the purpose of adjusting the folding area of the coil stock is achieved by adjusting the third lead screw 100.

In the above embodiment, the feeding roller assembly includes two fifth feeding rollers 60 and a third driving unit 62, two driving plates 61 vertically arranged and spaced along the left and right directions of the frame 10 are disposed on the upper portion of the rear side edge of the frame 10, the two fifth feeding rollers 60 are disposed between the two driving plates 61 at intervals up and down and are rotatably connected to the driving plates 61, a channel for passing a coil material is disposed between the two fifth feeding rollers 60, and the third driving unit 62 is disposed on the rear side edge of the frame 10, and has a driving end in transmission connection with any one of the fifth feeding rollers 60 and can drive the corresponding fifth feeding roller 60 to rotate.

The utility model discloses in, third drive unit 62 is gear motor, and it is fixed on the rear side of frame 10, and its drive end is connected with the transmission of the fifth feed roller 60 that is located the below to the drive is located the rotation of fifth feed roller 60 of below. The folded coil is transported into the channel by the first feed roller 50 and is further transported to the second feed roller 70 under the action of the fifth feed roller 60. The utility model discloses in, the fifth feed roll 60 can accelerate the conveying speed of folding back coil stock.

In the above embodiment, two second feeding rollers 70 are provided, the upper end of the side edge of the rear side of the frame 10 is provided with the second connecting frame 12 arranged along the front-rear direction, the two second feeding rollers 70 are both arranged along the left-right direction and are distributed at the upper end of the second connecting frame 12 at intervals along the front-rear direction, two ends of the second feeding rollers 70 are respectively rotatably connected with the corresponding ends of the second connecting frame 12, a third feeding roller 80 arranged in parallel with the two second feeding rollers 70 is arranged below the two second feeding rollers 70, two ends of the third feeding roller 80 are respectively rotatably connected with the corresponding sides of the frame 10, and the second feeding roller 70 located at the rear side is communicated with the feeding end of the folding machine.

The utility model discloses in, second link 12 is the frame construction of rectangle, and it sets up along the fore-and-aft direction the upper end of frame 10 rear side, the up end parallel and level of its up end and frame 10 rear side. The third feed roller 80 is rotatably connected to the frame 10 via a third link. The folded coil stock passes through the second feeding roller 70 and the third feeding roller 80 which are positioned in front and the second feeding roller 70 which is positioned in rear in sequence, and then is conveyed to the feeding end of the folding machine for folding.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A folding system of a gauze pad is characterized by comprising a rack (10), a winding roller (20), a folding device, a first folding roller (40), a first feeding roller (50), a feeding roller assembly and a second feeding roller (70), wherein the rack (10) is of a vertically arranged frame structure, the winding roller (20) is arranged on the right side of the rack (10) along the front-back direction, the rear end of the winding roller is fixedly connected with the rack (10), the folding device is arranged in the rack (10) and is used for folding the winding material in half, the feeding end of the folding device is communicated with the periphery of the winding roller (20), the first folding roller (40) is arranged below the folding device in the left-right direction and is rotatably connected with the rack (10), the discharging end of a folding unit is communicated with the periphery of the first folding roller (40), and the first roller (50) and the second feeding roller (70) are arranged in the left-right direction, the first feeding roller (50), the feeding roller assembly and the second feeding roller (70) are sequentially arranged at intervals along the conveying direction of the coil materials and are rotatably connected with the rack (10), and the second feeding roller (70) is communicated with the feeding end of the folding machine.

2. The system for doubling back gauze pads according to claim 1, wherein the doubling back device comprises a doubling back plate (30), an adjusting rod (31) and a first driving unit, the doubling back plate (30) is in an isosceles triangle structure, the bottom side of the doubling back plate is slidably connected with the upper end of the right side edge of the frame (10), the top end of the doubling back plate is arranged downwards, an acute angle is formed between the doubling back plate (30) and the right side edge of the frame (10), one end of the adjusting rod (31) is rotatably connected with the right side wall of the doubling back plate (30), the first driving unit is arranged on the frame (10), the driving end of the first driving unit is in transmission connection with the other end of the adjusting rod (31), the first driving unit can drive the adjusting rod (31) to drive the doubling back plate (30) to move back and forth along the frame (10), the lower end of the frame (10) is provided with a sliding frame (42) and a second driving unit, the sliding frame (42) is connected with the rack (10) in a sliding mode, the first folding roller (40) is arranged on the sliding frame (42) in a left-right mode, the left end and the right end of the first folding roller are respectively connected with the corresponding sides of the sliding frame (42) in a rotating mode, the second driving unit is connected with the sliding frame (42) in a transmission mode and can drive the sliding frame (42) to drive the first folding roller (40) to move along the rack (10) back and forth.

3. The doubling system of gauze pads according to claim 2, wherein joint bearings (47) are arranged at both ends of the adjusting rod (31), a first bearing seat (48) is arranged in the middle of the right side wall of the doubling plate (30), and the two joint bearings (47) are respectively and correspondingly connected with the first bearing seat (48) and the driving end of the first driving unit in a rotating manner.

4. The doubling system of a gauze pad according to claim 3, wherein the first driving unit comprises a first lead screw (90), a second slide bar (91) and a first hand wheel (92), the second slide bar (91) is arranged on the right side edge of the frame (10) along the front-back direction and is fixedly connected with the frame (10), a second linear bearing (93) is coaxially arranged on the second slide bar (91), a second bearing seat (94) is arranged on one side of the second linear bearing (93) close to the adjusting rod (31), the joint bearing (47) arranged at one end of the adjusting rod (31) far away from the doubling plate (30) is rotatably connected with the second bearing seat (94), the first lead screw (90) is arranged along the front-back direction, and the front end of the first lead screw extends to be rotatably connected with the front end of the right side edge of the frame (10), the upper end of the second bearing seat (94) is provided with a nut (95), the rear end of the first screw rod (90) extends to be in threaded connection with the nut (95), and the first hand wheel (92) is fixedly connected with the front end of the first screw rod (90).

5. The doubling system of a gauze pad according to claim 2, wherein the second driving unit comprises a second lead screw (96), two strip-shaped slide rails (97) and a second hand wheel (98), the two strip-shaped slide rails (97) are arranged along a front-back direction and are distributed on the left side and the right side of the lower end of the frame (10) at intervals, the sliding frame (42) is a rectangular frame structure and is horizontally arranged above the two strip-shaped slide rails (97) and is in sliding connection with the strip-shaped slide rails (97), the second lead screw (96) is arranged in front of the sliding frame (42) along the front-back direction, the rear end of the second lead screw is rotatably connected with the sliding frame (42), and the second hand wheel (98) is fixedly connected with the front end of the second lead screw (96).

6. A system for doubling back a gauze pad according to claim 1, wherein the first feed roller (50), the feed roller assembly and the second feed roller (70) are sequentially spaced upward along the feeding direction of the web, and wherein the second feed roller (70) is rotatably mounted at the upper end of the rear side of the frame (10).

7. The doubling system of a gauze pad according to claim 6, wherein a third screw rod (100) is arranged above and parallel to the first folding roller (40) on the rear side, two ends of the third screw rod (100) are respectively and rotatably connected with the corresponding sides of the frame (10), a third hand wheel (101) is arranged on any end of the third screw rod, and the first feed roller (50) is coaxially sleeved outside the third screw rod (100).

8. The doubling system of a gauze pad according to claim 6, wherein the feeding roller assembly comprises two fifth feeding rollers (60) and a third driving unit (62), the upper portion of the rear side edge of the frame (10) is provided with two driving plates (61) which are vertically arranged and are respectively spaced along the left and right directions of the frame (10), the two fifth feeding rollers (60) are vertically and alternately arranged between the two driving plates (61) and are rotatably connected with the driving plates (61), a passage for passing a roll material is arranged between the two fifth feeding rollers (60), and the third driving unit (62) is arranged on the rear side edge of the frame (10) and has a driving end in transmission connection with any one of the fifth feeding rollers (60) and can drive the corresponding fifth feeding roller (60) to rotate.

9. The doubling system of a gauze pad according to claim 6, wherein the number of the second feed rollers (70) is two, the upper end of the rear side edge of the frame (10) is provided with a second connecting frame (12) arranged along the front-rear direction, the two second feed rollers (70) are arranged along the left-right direction and are distributed at the upper end of the second connecting frame (12) at intervals along the front-rear direction, two ends of the second feed rollers (70) are respectively and rotatably connected with corresponding ends of the second connecting frame (12), a third feed roller (80) arranged in parallel with the second feed rollers is arranged below the two second feed rollers (70), two ends of the third feed roller (80) are respectively and rotatably connected with corresponding sides of the frame (10), and the second feed roller (70) positioned at the rear side is communicated with the feed end of the folder.