Gauze cutting and coiling device
By designing a deviation correction roller and tension auxiliary structure in the gauze cutting into a rolling device, combining gear transmission and worm gear transmission mechanism, the problem of inconvenient operation of gauze in the existing device is solved, and the cutting accuracy and winding uniformity are improved.
Patent Information
- Application Number
- CN202421404512.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-19
AI Technical Summary
In the existing gauze cutting device, the cutting knife and the cloth bearing roller are mostly rotatably arranged in a fixed position inside the support box, resulting in inconvenient operation of the gauze during cutting and winding, affecting the convenience of use.
A gauze cutting into a rolling device is designed, including a support box, a bias correction roller, a cloth bearing roller, a cutting knife, a yarn guide auxiliary mechanism, a rolling roller and a double-headed lead screw. Through the design of the correction roller and tension auxiliary structure, the tensioning state of the gauze during the cutting and winding process is maintained to ensure cutting accuracy and winding uniformity. At the same time, the flip control of the cutting knife and the smooth guide of the gauze is achieved through the gear transmission and the worm gear transmission mechanism.
It improves the operation convenience of the gauze cutting and winding process, ensures the cutting accuracy and winding uniformity of the gauze, reduces the phenomenon of gauze offset, and improves the efficiency of the device.
Smart Images

Figure CN222573850U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of gauze cutting, and more specifically, particularly relates to a gauze cutting and rolling device. Background Art
[0002] In the production process of medical gauze, in order to facilitate subsequent use, the gauze is often cut into a certain length or width with the cooperation of a cutting and rolling device, and then the cut gauze is rolled up. In the actual application of the cutting and rolling device, the gauze is often moved between the cutter and the cloth supporting roller, and the gauze is guided and cut by the reverse rotation of the cutter and the cloth supporting roller.
[0003] As disclosed in the existing application number CN202021875090.6, a medical gauze roll cutting and dividing device is disclosed, comprising a box body, a cloth-carrying roller, a rotating shaft and a rotating wheel are installed in the box body, a cutting groove is provided in the middle part of the cloth-carrying roller along the circumferential direction, the rotating shaft is located in the front upper part of the cloth-carrying roller, a cutting knife frame and a cutting knife are installed on the rotating shaft, the rotating wheel is located in the front lower part of the cloth-carrying roller, two horizontal mandrels are fixed on the right side of the rotating wheel, a material-dipping plate is sleeved on the mandrel, the material-dipping plate can slide left and right along the mandrel, and a material outlet is provided on the right side wall of the box body; a horizontal cloth-guiding roller and a cloth-pressing roller are installed on the rear side of the box body, the cloth-carrying roller, the rotating shaft and the rotating wheel are driven by a crank or a motor and are linked by gear transmission; the utility model has a compact structure and occupies a small area, after the medical gauze is cut by the cloth-carrying roller and the cutting knife, the medical gauze is rolled up by the rotation of the two mandrels, and the final gauze roll is pushed out from the material outlet through the material-dipping plate, which is very convenient to use and saves manpower and material resources.
[0004] Based on the above, the cutter and the cloth supporting roller are mostly rotatably arranged in a fixed position inside the supporting box, and in order to ensure the cutting effect, the cutter and the cloth supporting roller are mostly in a state of mutual contact. Therefore, it is inconvenient to pull the gauze between the two, which affects the convenience of using the gauze cutting and rolling device in actual application. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a gauze cutting and rolling device to solve the problem that the cutter and the cloth supporting roller are mostly rotatably arranged at a fixed position inside a supporting box, and in order to ensure the cutting effect, the cutter and the cloth supporting roller are mostly in a state of mutual contact, so it is inconvenient to pull the gauze between the two, which affects the convenience of use of the gauze cutting and rolling device in actual application.
[0006] The purpose and effect of the gauze cutting and rolling device of the utility model are achieved by the following specific technical means:
[0007] A gauze cutting and rolling device comprises a supporting box, a deviation correction roller, a cloth supporting roller, a cutting knife, a yarn guiding auxiliary mechanism, a winding roller and a double-headed lead screw, wherein a material guiding slot is provided on the front end face of the supporting box; a cover plate is hingedly connected to the top end face of the supporting box; there are two deviation correction rollers, which are arranged front and back and rotatably arranged on the outside of the material guiding slot; a tensioning auxiliary structure is provided between the two ends of the deviation correction roller and the supporting box; the cloth supporting roller is rotatably connected to the inner end of the supporting box; a cutting auxiliary slot is provided at the center position of the inner side of the cloth supporting roller; the cutting knife is arranged on the outside of the cloth supporting roller, and the positions of the cutting knife and the cutting auxiliary slot are relatively aligned; the outer end of the cutting knife is coaxially fixedly connected to a supporting shaft; the yarn guiding auxiliary mechanism is arranged between the supporting shaft and the supporting box; the winding roller is rotatably arranged on the rear end of the supporting box; the double-headed lead screw is rotatably connected to the lower side of the rear end of the supporting box, and the positions of the double-headed lead screw and the winding roller are aligned up and down; a material discharge port is provided in the supporting box at the aligned position with the winding roller.
[0008] Furthermore, two ends of the deviation-correcting roller are coaxially fixedly connected with a deviation-correcting auxiliary part; the deviation-correcting auxiliary part is a conical shaft structure with an inner diameter larger than an outer diameter.
[0009] Furthermore, the tensioning auxiliary structure includes: a guide cylinder, the guide cylinder has two groups, and the two groups of correction rollers are respectively fixedly connected between the two ends of the two correction rollers and the supporting box body; the outer side of the guide cylinder is fixedly connected with a tensioning column by an elastic extrusion part; the outer side of the tensioning column is fixedly connected with a positioning auxiliary part, the positioning auxiliary part is rotatably connected to the correction roller, and the longitudinal cross-section of the positioning auxiliary part is a convex structure.
[0010] Furthermore, both ends of the cloth-carrying roller are coaxially fixedly connected with a first gear;
[0011] The two ends of the support shaft are coaxially fixedly connected with the second gear; the first gear and the second gear on the same left and right sides are meshed with each other, and the second gear and the first gear together constitute a gear transmission mechanism.
[0012] Furthermore, the yarn guiding auxiliary mechanism includes: an operating shaft, a driving worm and a driving worm wheel; the operating shaft is rotatably connected to the outside of the supporting box; the driving worm is vertically rotatably arranged on the outside of the operating shaft; the driving worm wheel is vertically rotatably arranged on the outside of the driving worm; the driving worm and the driving worm wheel are meshed with each other, and the driving worm wheel and the driving worm together constitute a worm gear transmission mechanism.
[0013] Furthermore, the inner end of the operating shaft is coaxially fixedly connected with a driving bevel gear; the outer side of the driving worm is coaxially fixedly connected with a driven bevel gear; the driven bevel gear and the driving bevel gear are meshed with each other, and the driving bevel gear and the driven bevel gear together constitute a bevel gear transmission mechanism;
[0014] The outer side of the driving worm wheel is coaxially fixedly connected with a positioning auxiliary frame; the positioning auxiliary frame is rotationally connected to the support shaft;
[0015] The left and right sides of the inner wall of the support box are provided with limited arc grooves.
[0016] Furthermore, positioning grooves are provided on the left and right sides of the winding roller; a drive shaft is vertically rotatably arranged on the outer end of the winding roller, and the outer end of the drive shaft is coaxially fixedly connected to the outer side of the driving motor shaft; a bevel gear transmission assembly is arranged between the drive shaft and the winding roller.
[0017] Furthermore, the left and right sides of the outer end of the double-headed screw are threadedly connected with a yarn pushing auxiliary plate, and the yarn pushing auxiliary plate and the double-headed screw together constitute a screw nut transmission pair; the upper end of the yarn pushing auxiliary plate is rotationally connected to the winding roller.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] When the utility model is in use, the gauze is always kept in a tensioned state during the process of cutting and rolling up the gauze, thereby ensuring the rolling effect of the gauze and the cutting efficiency of the gauze, and at the same time realizing positioning assistance during the process of feeding and guiding the gauze, thereby avoiding the deviation of the gauze, ensuring the accuracy of the cutting of the gauze, and the uniformity of the width of the gauze after cutting.
[0020] The utility model realizes the flipping control of the cutting knife on the outer side of the cloth supporting roller when in use, improves the operating convenience when the gauze is pulled between the two, reduces the operating difficulty when the gauze is dragged between the cutting knife and the cloth supporting roller, and further improves the use convenience of the gauze cutting and rolling device in actual application. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is an overall isometric structural schematic diagram of the utility model.
[0022] Figure 2 It is a schematic cross-sectional view of the connection between the tension auxiliary structure and the deviation-correcting roller of the utility model.
[0023] Figure 3 It is a schematic diagram of the installation structure of the cloth-carrying roller and the supporting box body of the utility model.
[0024] Figure 4 The utility model is a schematic diagram of the connection structure of the yarn pushing auxiliary plate, the winding roller and the double-headed lead screw.
[0025] Figure 5 It is a schematic diagram of the installation structure of the support shaft and the cloth-carrying roller of the utility model.
[0026] Figure 6It is a structural schematic diagram of the yarn guide auxiliary mechanism of the utility model.
[0027] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0028] 1. Support box; 101. Material guide slot; 102. Limit arc slot; 103. Cover plate; 2. Correction roller; 201. Correction auxiliary part; 202. Guide cylinder; 203. Tensioning column; 204. Positioning auxiliary part; 3. Cloth-carrying roller; 301. Cutting auxiliary slot; 302. First gear; 4. Cutting knife; 401. Support shaft; 402. Second gear; 5. Operating shaft; 501. Driving worm; 502. Active bevel gear; 503. Driven bevel gear; 504. Driving worm wheel; 505. Positioning auxiliary frame; 6. Winding roller; 601. Positioning slot; 602. Driving shaft; 603. Bevel gear transmission assembly; 7. Double-headed screw; 701. Yarn pushing auxiliary plate. DETAILED DESCRIPTION
[0029] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.
[0030] Embodiment 1:
[0031] As attached Figure 1 To Attachment Figure 2 As shown:
[0032] The utility model provides a gauze cutting and rolling device, comprising a supporting box body 1, a deviation-correcting roller 2, a cloth-carrying roller 3, a cutting knife 4, a yarn-guiding auxiliary mechanism, a winding roller 6 and a double-headed lead screw 7, wherein a material-guiding through groove 101 is provided on the front end face of the supporting box body 1; a cover plate 103 is hingedly connected to the top end face of the supporting box body 1; there are two deviation-correcting rollers 2, which are arranged front and back and rotatably arranged on the outside of the material-guiding through groove 101; a tensioning auxiliary structure is arranged between the two ends of the deviation-correcting roller 2 and the supporting box body 1; the cloth-carrying roller 3 is rotatably connected to the inner end of the supporting box body 1; the cloth-carrying roller 3 is 3 is provided with a cutting auxiliary groove 301 at the center position of the inner side; the cutting knife 4 is arranged on the outer side of the cloth supporting roller 3, and the position of the cutting knife 4 and the cutting auxiliary groove 301 are relatively aligned; the outer end of the cutting knife 4 is coaxially fixedly connected with the support shaft 401; the yarn guide auxiliary mechanism is arranged between the support shaft 401 and the support box 1; the winding roller 6 is rotatably arranged at the rear end of the support box 1; the double-headed lead screw 7 is rotatably connected to the lower side of the rear end of the support box 1, and the double-headed lead screw 7 is aligned with the winding roller 6 up and down; a discharge port is provided in the support box 1 at a position aligned with the winding roller 6.
[0033] The two ends of the deviation-correcting roller 2 are coaxially fixedly connected with a deviation-correcting auxiliary component 201 ; the deviation-correcting auxiliary component 201 is a conical shaft structure with an inner diameter larger than an outer diameter.
[0034] Among them, the tensioning auxiliary structure includes: a guide cylinder 202, which has two groups of guide cylinders 2, and the two groups of correcting rollers 2 are respectively fixedly connected between the two ends of the two correcting rollers 2 and the supporting box 1; the outer side of the guide cylinder 202 is fixedly connected with a tensioning column 203 by an elastic extrusion part; the outer side of the tensioning column 203 is fixedly connected with a positioning auxiliary component 204, and the positioning auxiliary component 204 is rotatably connected to the correcting roller 2, and the longitudinal cross-section of the positioning auxiliary component 204 is a convex structure.
[0035] The specific usage and function of this embodiment are as follows:
[0036] When the utility model is in use, one end of the gauze is pulled outward, and the gauze is wound from top to bottom around the outer sides of the two deviation-correcting rollers 2, and then the gauze is dragged from the material guiding slot 101 to the inside of the supporting box 1. During the process of the winding roller 6 winding the gauze, the deviation-correcting auxiliary component 201 realizes positioning assistance during the material feeding and guiding of the gauze, thereby avoiding the deviation of the gauze, ensuring the accuracy of cutting the gauze, and the uniformity of the width of the gauze after cutting. During the material guiding process, the tensioning column 203 pushes the gauze, so that the gauze is always in a tensioned state, thereby ensuring the normal winding of the gauze by the winding roller 6.
[0037] Embodiment 2:
[0038] On the basis of the first embodiment, Figures 3 to 6 As shown:
[0039] Wherein, the two ends of the cloth-carrying roller 3 are coaxially fixedly connected with a first gear 302;
[0040] The two ends of the support shaft 401 are coaxially fixedly connected with the second gear 402; the first gear 302 and the second gear 402 on the same side are meshed with each other, and the second gear 402 and the first gear 302 together constitute a gear transmission mechanism.
[0041] Among them, the yarn guiding auxiliary mechanism includes: an operating shaft 5, a driving worm 501 and a driving worm wheel 504; the operating shaft 5 is rotatably connected to the outside of the supporting box 1; the driving worm 501 is vertically rotatably arranged on the outside of the operating shaft 5; the driving worm wheel 504 is vertically rotatably arranged on the outside of the driving worm 501; the driving worm 501 and the driving worm wheel 504 are meshed with each other, and the driving worm wheel 504 and the driving worm 501 together constitute a worm gear transmission mechanism.
[0042] The inner end of the operating shaft 5 is coaxially fixedly connected with a driving bevel gear 502; the outer side of the driving worm 501 is coaxially fixedly connected with a driven bevel gear 503; the driven bevel gear 503 and the driving bevel gear 502 are meshed with each other, and the driving bevel gear 502 and the driven bevel gear 503 together constitute a bevel gear transmission mechanism;
[0043] The outer side of the driving worm gear 504 is coaxially fixedly connected with a positioning auxiliary frame 505; the positioning auxiliary frame 505 is rotationally connected to the support shaft 401;
[0044] The left and right sides of the inner wall of the supporting box body 1 are provided with limiting arc grooves 102 .
[0045] Among them, positioning grooves 601 are opened on the left and right sides of the winding roller 6; a drive shaft 602 is vertically rotated at the outer end of the winding roller 6, and the outer end of the drive shaft 602 is coaxially fixedly connected to the outer side of the driving motor shaft; a bevel gear transmission assembly 603 is arranged between the drive shaft 602 and the winding roller 6.
[0046] Among them, the left and right sides of the outer end of the double-headed screw 7 are threadedly connected with a yarn pushing auxiliary plate 701, and the yarn pushing auxiliary plate 701 and the double-headed screw 7 together constitute a screw nut transmission pair; the upper end of the yarn pushing auxiliary plate 701 is rotationally connected to the winding roller 6.
[0047] The specific usage and function of this embodiment are as follows:
[0048] When the utility model is in use, after the gauze is dragged into the supporting box body 1, when the operating shaft 5 is pushed to rotate, the active bevel gear 502 drives the driven bevel gear 503 and the driving worm 501 to rotate. When the driving worm 501 rotates, it drives the driving worm wheel 504 to rotate. During the rotation of the driving worm wheel 504, the positioning auxiliary frame 505 drives the supporting shaft 401 and the cutting knife 4 to flip upward. At this time, the cutting knife 4 is away from the cutting auxiliary groove 301. After the gauze is dragged between the cutting knife 4 and the cloth-supporting roller 3, the operating shaft 5 is rotated in the opposite direction to reset the cutting knife 4, so that the cutting knife 4 and the cutting auxiliary groove 301 are fitted with each other. In the process of dragging the gauze, the friction force between the gauze, the cutting knife 4 and the cloth-supporting roller 3 affects the two The group rotates in the opposite direction, and at the same time, the cutting knife 4 cuts the gauze. After the cut gauze is inserted into the positioning groove 601 to position the outer end of the gauze, the driving shaft 602 rotates when the driving motor is started. During the rotation of the driving shaft 602, the bevel gear transmission assembly 603 pushes the winding roller 6 to rotate. During the rotation of the winding roller 6, the cutting of the gauze is achieved, and the automatic winding of the cut gauze is very easy. After the cutting and winding of the gauze is completed, the double-headed screw 7 is pushed to rotate, and the yarn pushing auxiliary plates 701 at both ends slide outward synchronously. During the outward sliding of the yarn pushing auxiliary plates 701, the cut gauze rolls at both ends of the winding roller 6 are pushed outward, and the gauze rolls slide out after the discharge at both ends of the support box 1.
Claims
1. A gauze cutting and rolling device, comprising a supporting box, two deviation-correcting rollers, a cloth-carrying roller, a cutting knife, a yarn-guiding auxiliary mechanism, a winding roller and a double-headed lead screw, wherein a material guide groove is provided on the front end surface of the supporting box; a cover plate is hingedly connected to the top end surface of the supporting box; and the characteristics are: The two deviation-correcting rollers are arranged front and back and rotatably arranged on the outside of the material guiding slot; a tensioning auxiliary structure is arranged between the two ends of the deviation-correcting roller and the supporting box; the cloth-supporting roller is rotatably connected to the inner end of the supporting box; a cutting auxiliary slot is provided at the center position of the inner side of the cloth-supporting roller; the cutting knife is arranged on the outside of the cloth-supporting roller, and the position of the cutting knife and the cutting auxiliary slot are relatively aligned; the outer end of the cutting knife is coaxially fixedly connected with the supporting shaft; the yarn guiding auxiliary mechanism is arranged between the supporting shaft and the supporting box; the winding roller is rotatably arranged at the rear end of the supporting box; the double-headed lead screw is rotatably connected to the lower side of the rear end of the supporting box, and the position of the double-headed lead screw and the winding roller is aligned up and down; a material discharge port is provided in the supporting box at the aligned position with the winding roller.
2. A gauze cutting and rolling device as claimed in claim 1, characterized in that: Both ends of the deviation-correcting roller are coaxially fixedly connected with a deviation-correcting auxiliary piece of a tapered shaft structure whose inner diameter is larger than the outer diameter.
3. A gauze cutting and rolling device as claimed in claim 1, characterized in that: The tensioning auxiliary structure includes: two groups of guide cylinders, the two groups of guide cylinders are respectively fixedly connected between the two ends of the two deviation-correcting rollers and the supporting box body; the outer side of the guide cylinder is fixedly connected with a tensioning column by an elastic extrusion part; the outer side of the tensioning column is fixedly connected with a positioning auxiliary part with a convex-shaped longitudinal cross-section, and the positioning auxiliary part is rotatably connected to the deviation-correcting roller.
4. A gauze cutting and rolling device as claimed in claim 1, characterized in that: The two ends of the cloth-carrying roller are coaxially fixedly connected with a first gear; The two ends of the support shaft are coaxially fixedly connected with the second gear; the first gear and the second gear on the same left and right sides are meshed with each other, and the second gear and the first gear together constitute a gear transmission mechanism.
5. A gauze cutting and rolling device as claimed in claim 1, characterized in that: The yarn guiding auxiliary mechanism includes: an operating shaft, a driving worm and a driving worm wheel; the operating shaft is rotatably connected to the outside of the supporting box; the driving worm is vertically rotatably arranged on the outside of the operating shaft; the driving worm wheel is vertically rotatably arranged on the outside of the driving worm; the driving worm and the driving worm wheel are meshed with each other, and the driving worm wheel and the driving worm together constitute a worm gear transmission mechanism.
6. A gauze cutting and rolling device as claimed in claim 5, characterized in that: The inner end of the operating shaft is coaxially fixedly connected with a driving bevel gear; the outer side of the driving worm is coaxially fixedly connected with a driven bevel gear; the driven bevel gear and the driving bevel gear are meshed with each other, and the driving bevel gear and the driven bevel gear together constitute a bevel gear transmission mechanism; The outer side of the driving worm wheel is coaxially fixedly connected with a positioning auxiliary frame; the positioning auxiliary frame is rotationally connected to the support shaft; The left and right sides of the inner wall of the support box are provided with limited arc grooves.
7. A gauze cutting and rolling device as claimed in claim 1, characterized in that: Positioning grooves are provided on the left and right sides of the winding roller; a driving shaft is vertically rotatably provided at the outer end of the winding roller, and the outer end of the driving shaft is coaxially fixedly connected to the outer side of the driving motor shaft; a bevel gear transmission assembly is provided between the driving shaft and the winding roller.
8. A gauze cutting and rolling device as claimed in claim 1, characterized in that: The left and right sides of the outer end of the double-headed lead screw are threadedly connected with a yarn pushing auxiliary plate, and the yarn pushing auxiliary plate and the double-headed lead screw together form a lead screw nut transmission pair; the upper end of the yarn pushing auxiliary plate is rotatably connected to the winding roller.
Citation Information
Patent Citations
Cutting and roll-dividing device for medical gauze roll
CN212893108U