CN110759161A - Antibacterial medical dressing production equipment and technology thereof - Google Patents
Antibacterial medical dressing production equipment and technology thereof Download PDFInfo
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- CN110759161A CN110759161A CN201911065850.9A CN201911065850A CN110759161A CN 110759161 A CN110759161 A CN 110759161A CN 201911065850 A CN201911065850 A CN 201911065850A CN 110759161 A CN110759161 A CN 110759161A
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- assembly
- dressing
- conveying
- cutting knife
- cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
Abstract
The invention relates to antibacterial medical dressing production equipment which comprises a rack, a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism is arranged on the rack; the first conveying mechanism comprises a conveying component a, a feeding component, a cutter component a and a control component a; the invention also relates to an antibacterial medical dressing production process, which comprises a batching process, a spinning and solidifying process, a needling process, a forming process and a shearing process, wherein the shearing process comprises the first step of input work; step two, performing notching work; step three, shearing all sides; step four, outputting work; the invention solves the technical problems that the continuous output of the dressing and the continuous input of the dressing to be cut can not be realized in the cutting process of the dressing, and simultaneously the cut edge generates burrs.
Description
Technical Field
The invention relates to the technical field of medical dressings, in particular to antibacterial medical dressing production equipment and an antibacterial medical dressing production process.
Background
In addition, for skin injuries caused by burns, wounds, skin ulcerations and the like, the medical dressing is generally required to be used for protecting the wounds, preventing wound infection and promoting wound healing. Therefore, the medical dressing which can be widely applied and has the antibacterial and hemostatic functions is beneficial to antibiosis and wound healing in the treatment process, and has important significance and practical value for effective treatment of the wound in clinical treatment.
Patent document CN2018221383661 discloses a dressing sticker cutting machine, which includes: case, machine case top one side is equipped with presses the material wheel, the dressing pastes and gets into the feed inlet from pressing the material wheel below, the feed inlet top is equipped with spacing frame, be equipped with spacing hole on the spacing frame, gag lever post top connection shank of bolt passes spacing hole, the knob that compresses tightly is connected on the shank top, the curb plate middle part is equipped with the delivery wheel, the curb plate is close to the articulated limit for height pole of spacing frame side, be equipped with the electric putter who connects limit for height pole on the curb plate, machine case opposite side is equipped with the collateral branch strut, collateral branch strut one side is equipped with the motor, the output shaft dwang of motor, be equipped with the cutter on the dwang.
However, in actual use, the inventors found the following problems:
1. the traditional common cutting mode is easy to generate burrs, poor in attractiveness and easy to split lines in use;
2. there is traditionally a cutting pattern to cut but no continuous dressing transfer is possible.
Disclosure of Invention
Aiming at the defects of the prior art, the automatic conveying of the dressing is completed by clamping the dressing on the upper surface and the lower surface through the feeding component a of the first conveying mechanism and the feeding component b of the second conveying mechanism, so that on one hand, the automatic output of the cut dressing is completed, the collection of an output end is convenient, on the other hand, the continuous conveying of the dressing to be cut is completed, the next cutting work is performed, the continuous conduction work of the dressing is performed while the cutting work is realized, and therefore the technical problems that the continuous output of the dressing and the continuous input of the dressing to be cut cannot be realized in the cutting process of the dressing, and burrs are generated on the cut edge are solved.
Aiming at the technical problems, the technical scheme is as follows: an antibacterial medical dressing production device comprises a rack, a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism and the second conveying mechanism are vertically arranged on the rack;
the first conveying mechanism comprises a conveying component a, a plurality of groups of feeding components which are arranged at equal intervals along the conveying component a and are horizontally arranged on the conveying component a, a cutter component a which is arranged between the groups of feeding components and is horizontally arranged on the conveying component a, and a control component a which is in guide transmission with the cutter component a and is positioned above the dressing in transmission;
the second conveying mechanism comprises a conveying component b, feeding components b which are arranged on the conveying component b and are arranged in one-to-one correspondence with the feeding components a, cutter components b which are arranged on the conveying component b and are arranged in one-to-one correspondence with the cutter components a, and a control component b which is in guide transmission with the cutter components b and is positioned below dressing in transmission, wherein the cutter components b are horizontally arranged on the conveying component b;
the conveying assembly a and the conveying assembly b are in synchronous transmission, and the feeding assembly, the cutter assembly a and the cutter assembly b are arranged on a limiting groove in the rack in a sliding mode through limiting rods.
Preferably, the conveying assembly a and the conveying assembly b both comprise a driving motor and two sets of chain and sprocket units driven by the driving motor to rotate.
Preferably, the feeding assembly a and the feeding assembly b both comprise:
the mounting seat a is fixedly mounted on the chain and chain wheel unit;
two ends of the connecting plate a are respectively and fixedly arranged on the two adjacent mounting seats a which are correspondingly arranged;
the pushing rollers are fixedly arranged on the connecting plate a and are arranged in two groups at equal intervals along the length direction of the connecting plate a; and
the elastic block is fixedly arranged at the end part of the push roller and is of an elastic material structure, and the end parts of the elastic blocks which are oppositely arranged on the feeding component a and the feeding component b are in contact arrangement.
Preferably, the cutter unit a and the cutter unit b each include:
the mounting seat b is fixedly mounted on the chain and chain wheel unit;
two ends of the connecting plate b are respectively and fixedly arranged on the two adjacent mounting seats b which are correspondingly arranged;
the telescopic pieces are fixedly arranged below the connecting plate b and are arranged in two groups at equal intervals along the length direction of the connecting plate b; and
the cutter is hinged to the lower end of the telescopic piece and arranged along the length direction of the connecting plate b.
Preferably, the telescopic member includes:
the telescopic rod is arranged along the vertical direction and sleeved with a spring;
the limiting block is fixedly arranged at the end part of the telescopic rod;
the sliding ball is fixedly arranged below the limiting block and is linearly arranged with the limiting block; and
the sliding rod penetrates through the sliding ball, one end of the sliding rod is fixedly arranged below the limiting block, and the other end of the sliding rod is fixedly connected with the cutter.
Preferably, the control component a comprises:
the guide piece a comprises a sliding track a and a bracket a, wherein two ends of the bracket a are respectively connected with the sliding track a and the rack; and
the guide piece b comprises a sliding rail b and a bracket b, wherein two ends of the bracket b are respectively connected with the sliding rail b and the rack;
any one of the telescopic members slides on the guide member a and the other telescopic member slides on the guide member b.
Preferably, the control component b comprises:
the guide piece c comprises a sliding track c and a bracket c, wherein two ends of the bracket c are respectively connected with the sliding track c and the rack; and
the guide piece d comprises a sliding track d and a bracket d, wherein two ends of the bracket d are respectively connected with the sliding track d and the rack;
any one of the telescopic members slides on the guide member c and the other telescopic member slides on the guide member d.
Preferably, the sliding track a is composed of an elongated part a and a horizontal part a which are inclined downwards along the transmission direction of the conveying assembly a;
the sliding track b is composed of a horizontal part b and an elongated part b which is inclined downwards along the transmission direction of the conveying assembly a;
the sliding track c is composed of an elongated part c and a horizontal part c which are inclined upwards along the transmission direction of the conveying assembly a;
the sliding track d is composed of a horizontal part d and an elongated part d which is inclined upwards along the transmission direction of the conveying assembly a.
The production process of the antibacterial medical dressing comprises a material preparing process, a spinning and solidifying process, a needling process, a forming process and a shearing process, wherein the shearing process comprises the following steps:
firstly, the dressing is contacted and extruded through elastic blocks of a conveying assembly a and a feeding assembly b which are synchronously conveyed, and the dressing is driven to be synchronously conveyed backwards;
step two, the incision is worked, when the cutter assembly a slides to the position of the control assembly a, one end of a cutting knife of the cutter assembly a moves downwards along the elongated part a of the sliding track a, the other end of the cutting knife of the cutter assembly a moves horizontally along the horizontal part b of the sliding track b, one end of the cutting knife of the cutter assembly b moves upwards along the elongated part c of the sliding track c, and the other end of the cutting knife of the cutter assembly b moves horizontally along the horizontal part d of the sliding track d, so that one end of the dressing is cut, and an incision is cut;
thirdly, shearing all sides, wherein the end part of the cut is horizontally moved along the horizontal part a of the sliding track a by the cutting knife of the cutting knife assembly a, the other end of the cutting knife assembly a is downwards moved along the elongated part b of the sliding track b, meanwhile, the end part of the cut is horizontally moved along the horizontal part c of the sliding track c by the cutting knife of the cutting knife assembly b, and the other end of the cutting knife assembly b is upwards moved along the elongated part d of the sliding track d, so that the other end of the dressing is cut;
and step four, outputting, namely continuously conveying the cut dressing backwards and outputting the dressing through the feeding component a and the feeding component b.
The invention has the beneficial effects that:
(1) according to the dressing conveying device, the feeding assembly a of the first conveying mechanism is matched with the feeding assembly b of the second conveying mechanism, so that dressing is clamped by the upper surface and the lower surface to finish automatic conveying of the dressing, on one hand, the cut dressing is automatically output, the output end is convenient to collect, on the other hand, the dressing to be cut is continuously conveyed to perform next cutting operation, and continuous conduction operation of the dressing is performed while cutting operation is realized, so that the working efficiency is high, and the automation degree is high;
(2) according to the dressing automatic cutting device, the cutting assembly a and the cutting assembly b are correspondingly matched with the guide of the control assembly a and the control assembly b, one end of each of the two groups of cutting knives cuts one end of the dressing in a first stage, and in addition, the other ends of the two groups of cutting knives cut the dressing from the cut to the other ends in a second stage in the conveying process, so that the dressing automatic cutting in the conveying process is completed, the cutting mode utilizes a scissor type cutting mode, further the phenomenon that burrs are generated at the cut edges is avoided, and the cutting efficiency is high;
(3) according to the invention, the opening of the dressing is cut by the upper and lower groups of cutters by utilizing the elongated part a of the sliding track c and the elongated part c of the sliding track c, the effect of hinging the scissors is achieved, the dressing is gradually cut outwards along the cut by the upper and lower groups of cutters in synchronous transmission by utilizing the elongated part b of the sliding track b and the elongated part d of the sliding track d, and the dressing is relatively static relative to the transmission of the cutters during the whole cutting operation through the synchronous transmission of the conveying assembly a and the conveying assembly b, so that the stable cutting is kept;
(4) according to the invention, the telescopic piece is arranged, so that the cutter can be matched with the control component a and the control component b to automatically stretch and retract, and the guiding and supporting effects on the cutter are achieved.
In conclusion, the device has the advantages of simple structure and high cutting efficiency, and is particularly suitable for the technical field of medical dressings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an antibacterial medical dressing production device.
Fig. 2 is a schematic front view of an antibacterial medical dressing production apparatus.
Fig. 3 is a schematic structural diagram of the conveying assembly a and the conveying assembly b.
Fig. 4 is a schematic structural diagram of a feeding assembly a and a feeding assembly b.
Fig. 5 is a schematic structural diagram of the cutter assembly a and the cutter assembly b.
Fig. 6 is a partially enlarged schematic view at a of fig. 5.
Fig. 7 is a schematic structural diagram of a control module a and a control module b.
Fig. 8 is a front view of the control unit a and the control unit b.
Fig. 9 is a schematic view of the guiding transmission state of the control assembly a and the control assembly b in cooperation with the cutter assembly a and the cutter assembly b.
Fig. 10 is a schematic diagram I of the guiding transmission state of the feeding component a and the feeding component b to the dressing.
Fig. 11 is a schematic diagram of the cutting state of the dressing by the cutter assemblies a and b.
Fig. 12 is a schematic diagram two of the guiding transmission states of the feeding component a and the feeding component b to the dressing.
Fig. 13 is a flow chart of the production process of the antibacterial medical dressing.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.
Example one
As shown in fig. 1 and 2, an antibacterial medical dressing production device comprises a frame 1, a first conveying mechanism 2 and a second conveying mechanism 3, wherein the first conveying mechanism 2 and the second conveying mechanism 3 are vertically arranged on the frame 1;
the first conveying mechanism 2 comprises a conveying assembly a21, a plurality of groups of feeding assemblies a22 which are arranged along the conveying assembly a21 at equal intervals and are horizontally arranged on the conveying assembly a21, a cutter assembly a23 which is arranged among the groups of feeding assemblies a22 and is horizontally arranged on the conveying assembly a21, and a control assembly a24 which is in guide transmission with the cutter assembly a23 and is positioned above the dressing 10 in transmission;
the second conveying mechanism 3 comprises a conveying assembly b31, a feeding assembly b34 which is arranged on the conveying assembly b31 and is arranged corresponding to the feeding assembly a22 one by one, a cutter assembly b32 which is arranged on the conveying assembly b31 and is arranged corresponding to the cutter assembly a23 one by one, and a control assembly b33 which is in guide transmission with the cutter assembly b32 and is positioned below the dressing 10 in transmission, wherein the cutter assembly b32 is horizontally arranged on the conveying assembly b 31;
the conveying assembly a21 and the conveying assembly b31 are in synchronous transmission, and the feeding assembly a22, the cutter assembly a23 and the cutter assembly b32 are arranged on a limiting groove 12 on the rack 1 in a sliding mode through a limiting rod 11.
In this embodiment, pay-off subassembly a22 cooperation second transport mechanism 3's pay-off subassembly b34 through setting up first transport mechanism 2, the automatic transmission to dressing 10 is accomplished to the centre gripping of dressing 10 to two sides about the realization, accomplish on the one hand and carry out automatic output to dressing 10 after cutting, the collection of the output of being convenient for, on the other hand accomplishes the continuation transmission of the dressing 10 of treating to cut, carry out the next work of cutting, and then when realizing the work of cutting, to the conduction work of dressing 10 continuous type, high work efficiency, and high automation degree.
It is worth to be noted that, by using the cutter assemblies a23 and b32 to correspondingly match the guiding of the control assemblies a24 and b33, the first stage of one end of the two sets of cutters 234 cuts one end of the dressing 10, and in addition, the second stage of the other ends of the two sets of cutters 234 cuts the dressing 10 from the cut to the other end thereof during the conveying process, so as to complete the automatic cutting of the dressing 10 during the conveying process.
Further, as shown in fig. 3, each of the conveying assemblies a21 and b31 includes a driving motor 211 and two sets of chain and sprocket units 212 driven by the driving motor 211 to rotate.
In the embodiment, the two sets of chain and chain wheel units 212 are arranged, so that the installation and the transmission of the feeding assembly a22, the cutter assembly a23, the cutter assembly b32 and the feeding assembly b34 are facilitated.
Further, as shown in fig. 4, the feeding assembly a22 and the feeding assembly b34 each include:
a mounting seat a221, the mounting seat a221 being fixedly mounted on the chain sprocket unit 212;
two ends of the connecting plate a222 are respectively and fixedly installed on two adjacent installation seats a221 which are correspondingly arranged;
the pushing rollers 223 are fixedly arranged on the connecting plate a222, and two groups of pushing rollers 223 are arranged at equal intervals along the length direction of the connecting plate a 222; and
the elastic block 224 is fixedly arranged at the end part of the pushing roller 223 and is of an elastic material structure, and the feeding assembly a22 and the feeding assembly b34 are arranged in contact with the end part of the elastic block 224 oppositely arranged.
In this embodiment, by providing the plurality of feeding assemblies a22 and b34, the corresponding portions of the feeding assemblies a22 and b34 can be in contact with each other, so that the dressing 10 can be continuously transported, and when the elastic blocks 224 are in contact with each other, the elastic blocks are squeezed against each other, and the dressing 10 between the two sets of elastic blocks 224 is clamped and pressed against each other, so as to drive the dressing 10 to be transported backwards.
It should be noted that, in this embodiment, preferably, 3 groups of feeding assemblies a22 are continuously arranged to form one group of feeding units a, and a group of cutter assemblies a23 is arranged between every two adjacent groups of feeding units a; similarly, 3 groups of feeding components b34 are continuously arranged to form a group of feeding units b, and a group of cutter components b32 is arranged between every two adjacent groups of feeding units b, so that the purpose of synchronously cutting during film feeding is realized, and continuous cutting output work is realized by utilizing a plurality of groups of structures; meanwhile, a group of feeding units a are arranged on two sides of each group of cutter assemblies a23, so that the dressing 10 is always in a tightening state during cutting, rapid cutting is facilitated, the dressing 10 after cutting is guaranteed to be uniform in specification, and the practicability is high.
In addition, the mounting seat a221 is arranged on a certain chain of the chain sprocket unit 212, so that the phenomenon of locking of an arc-shaped part in the conveying process is avoided, and the end arc-shaped part of the elastic block 224 is provided with a round angle at the conveying contact part.
Further, as shown in fig. 5 and 6, the cutter assembly a23 and the cutter assembly b32 each include:
a mounting seat b231, the mounting seat b231 being fixedly mounted on the chain sprocket unit 212;
two ends of the connecting plate b232 are respectively and fixedly installed on the two adjacent installation seats b231 which are correspondingly arranged;
the telescopic pieces 233 are fixedly arranged below the connecting plate b232, and two groups of the telescopic pieces 233 are arranged at equal intervals along the length direction of the connecting plate b 232; and
and the cutter 234 is arranged at the lower end of the telescopic member 233 and is arranged along the length direction of the connecting plate b 232.
Further, as shown in fig. 6, the extension member 233 includes:
the telescopic rod 2331 is arranged along the vertical direction, and a spring 2332 is sleeved outside the telescopic rod 2331;
a limit block 2333, wherein the limit block 2333 is fixedly arranged at the end part of the telescopic rod 2331;
a sliding ball 2334, wherein the sliding ball 2334 is fixedly arranged below the limit block 2333 and is linearly arranged with the limit block 2333; and
a sliding rod 2335, wherein the sliding rod 2335 penetrates through the sliding ball 2334, one end of the sliding rod 2335 is fixedly arranged below the limiting block 2333, and the other end of the sliding rod 2335 is fixedly connected with the cutting knife 234.
In this embodiment, the retractable member 233 is provided, so that the cutting knife 234 can be automatically retracted and extended in cooperation with the control component a24 and the control component b33, thereby achieving the guiding and supporting effects on the cutting knife 234.
Example two
As shown in fig. 7 and 8, the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and only the differences from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:
further, as shown in fig. 7 and 8, the control component a24 includes:
a guide a241, wherein the guide a241 comprises a sliding rail a242 and a bracket a243, two ends of which are respectively connected with the sliding rail a242 and the frame 1; and
a guide b244, wherein the guide b244 comprises a sliding rail b245 and a bracket b246 with two ends respectively connected with the sliding rail b245 and the frame 1;
any one of the telescopic members 233 slides on the guide a241 and the other telescopic member 233 slides on the guide b 244.
Further, as shown in fig. 7 and 8, the control component b33 includes:
the guide piece c331, the said guide piece c331 includes the sliding rail c332 and both ends are connected with said sliding rail c332 and support c333 of the framework 1 separately; and
the guide piece d334 comprises a sliding track d335 and a bracket d336 with two ends respectively connected with the sliding track d335 and the frame 1;
any one of the telescopic members 233 slides on the guide member c331 and the other telescopic member 233 slides on the guide member d 334.
Further, as shown in fig. 7 and 8, the sliding rail a242 is composed of an elongated portion a2421 and a horizontal portion a2422 which are inclined downwards along the transmission direction of the conveying assembly a 21;
the sliding track b245 is composed of a horizontal part b2451 and an elongated part b2452 which is inclined downwards along the transmission direction of the conveying assembly a 21;
the sliding track c332 is composed of an elongated part c3321 and a horizontal part c3322 which are inclined upwards along the transmission direction of the conveying assembly a 21;
the sliding rail d335 is formed by a horizontal portion d3351 and an elongated portion d3352 which is inclined upward along the transmission direction of the conveyor a 21.
It should be noted that, the elongated portion a2421 of the sliding track c332 and the elongated portion c3321 of the sliding track c332 are used to realize the opening cutting of the dressing 10 by the upper and lower sets of cutting knives 234, and at the same time, the hinged opening effect of the scissors is achieved, and then, the elongated portion b2452 of the sliding track b245 and the elongated portion d3352 of the sliding track d335 are used to realize the gradual cutting operation of the dressing 10 along the opening by the upper and lower sets of cutting knives 234 in the synchronous transmission, and the transmission is synchronized by the transmission assembly a21 and the transmission assembly b31, so that the dressing 10 is relatively stationary relative to the transmission of the cutting knives 234 during the whole cutting operation, and the stable cutting is maintained.
EXAMPLE III
As shown in fig. 13, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The third embodiment is different from the first embodiment in that:
the production process of the antibacterial medical dressing comprises a material mixing process I, a spinning and solidifying process II, a needling process III, a forming process IV and a shearing process V, wherein the shearing process V comprises the following steps:
firstly, the dressing 10 is contacted and extruded through the elastic blocks 224 of the conveying assembly a21 and the feeding assembly b34 which are synchronously conveyed, and the dressing 10 is driven to be synchronously conveyed backwards;
step two, when the incision is performed, when the cutter assembly a23 slides to the position of the control assembly a24, one end of the cutting knife 234 of the cutter assembly a23 moves downwards along the elongated portion a2421 of the sliding track a242, the other end of the cutting knife 234 of the cutter assembly a23 moves horizontally along the horizontal portion b2451 of the sliding track b245, one end of the cutting knife 234 of the cutter assembly b32 moves upwards along the elongated portion c3321 of the sliding track c332, and the other end of the cutting knife 234 of the cutter assembly b32 moves horizontally along the horizontal portion d3351 of the sliding track d335, so that one end of the dressing 10 is cut and a mouth is cut;
step three, cutting all sides, wherein the cutting knife 234 of the cutting knife assembly a23 horizontally moves the end of the cut along the horizontal part a2422 of the sliding track a242, the other end of the cutting knife 234 of the cutting knife assembly a23 downwards moves along the elongated part b2452 of the sliding track b245, meanwhile, the cutting knife 234 of the cutting knife assembly b32 horizontally moves the end of the cut along the horizontal part c3322 of the sliding track c332, and the other end of the cutting knife 234 of the cutting knife assembly b32 upwards moves along the elongated part d3352 of the sliding track d335, so that the other end cuts the other end of the dressing 10;
and step four, outputting, namely continuously conveying the cut dressing 10 backwards through a feeding assembly a22 and a feeding assembly b 34.
It should be noted that the dressing in this example has antibacterial, highly absorbent and wound healing promoting effects.
The method is characterized in that a sodium alginate solution is dissolved in water to prepare a spinning solution; meanwhile, a fibroin solution prepared by dissolving a ternary solution (calcium chloride, ethanol and water) is used as a solidification solution; the prepared sodium alginate solution with certain concentration passes through a spinning nozzle, the coagulating liquid forms fibroin calcium alginate composite fiber, the composite fiber forms acupuncture cotton through an acupuncture process, and the medical dressing is formed through a forming process.
In detail, the dressing 10 of this example is prepared according to the following formulation: boiling 2L Na2CO3 solution with concentration of 0.6 ‰, placing 40g raw silk of Bombyx mori into boiling Na2CO3 solution, heating and boiling at 100 + -2 deg.C for 30min, cleaning with deionized water, and repeating the process for 3 times to obtain degummed silk fibroin fiber. And (3) garnetting the cleaned silk fibroin fibers, and drying the garnetting in a drying oven at the temperature of 60 ℃ for later use. Taking 5g of dried silk fibroin fibers, putting the dried silk fibroin fibers into a ternary solution (prepared from CaCl 2: C2H5 OH: H2O in a molar ratio of 1: 2: 8) in a bath ratio of 1:10, putting the solution into a water bath heating pot, stirring for 1H at 72 +/-2 ℃ to obtain a silk fibroin mixed solution, cooling the mixed solution, putting the cooled mixed solution into a dialysis bag, and dialyzing for 72H with fresh deionized water. Centrifuging the dialyzed solution for 10min at the rotating speed of 7500r/min by a high-speed centrifuge to obtain a fresh fibroin solution; (ii) a The prepared sodium alginate solution with certain concentration passes through a spinning nozzle, the coagulating liquid forms fibroin calcium alginate composite fiber, the composite fiber forms acupuncture cotton through an acupuncture process, and the medical dressing is formed through a forming process.
The working process is as follows:
firstly, the dressing 10 is contacted and extruded by the elastic blocks 224 of the conveying assembly a21 and the feeding assembly b34 which are synchronously conveyed, and the dressing 10 is driven to be synchronously conveyed backwards;
when the cutter assembly a23 slides to the position of the control assembly a24, one end of the cutting knife 234 of the cutter assembly a23 moves downwards along the elongated part a2421 of the sliding track a242, and the other end of the cutting knife 234 of the cutter assembly a23 moves horizontally along the horizontal part b2451 of the sliding track b245, while one end of the cutting knife 234 of the cutter assembly b32 moves upwards along the elongated part c3321 of the sliding track c332, and the other end of the cutting knife 234 of the cutter assembly b32 moves horizontally along the horizontal part d3351 of the sliding track d335, so that one end of the dressing 10 is cut to cut a mouth;
next, the cutting knife 234 of the cutting knife assembly a23 horizontally moves the end of the cut along the horizontal portion a2422 of the sliding rail a242, and the other end of the cutting knife 234 of the cutting knife assembly a23 moves downward along the elongated portion b2452 of the sliding rail b245, while the cutting knife 234 of the cutting knife assembly b32 horizontally moves the end of the cut along the horizontal portion c3322 of the sliding rail c332, and the other end of the cutting knife 234 of the cutting knife assembly b32 moves upward along the elongated portion d3352 of the sliding rail d335, thereby realizing that the other end cuts the other end of the dressing 10;
finally, the cut dressing 10 is conveyed back and output continuously through the feeding assembly a22 and the feeding assembly b34, and the dressing 10 to be cut in the next section is conveyed back to the position of the control assembly a24 continuously through the feeding assembly a22 and the feeding assembly b34, so that the cutting is carried out.
In the description of the present invention, it is to be understood that the terms "front-back", "left-right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the invention.
Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art in light of the technical teaching of the present invention should be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The antibacterial medical dressing production equipment is characterized by comprising a rack (1), a first conveying mechanism (2) and a second conveying mechanism (3), wherein the first conveying mechanism (2) and the second conveying mechanism are vertically arranged on the rack (1);
the first conveying mechanism (2) comprises a conveying assembly a (21), a plurality of groups of feeding assemblies a (22) which are arranged at equal intervals along the conveying assembly a (21) and are horizontally arranged on the conveying assembly a (21), a cutter assembly a (23) which is arranged between the groups of feeding assemblies a (22) and is horizontally arranged on the conveying assembly a (21), and a control assembly a (24) which is in guide transmission with the cutter assembly a (23) and is positioned above the dressing (10) in transmission;
the second conveying mechanism (3) comprises a conveying assembly b (31), feeding assemblies b (34) which are arranged on the conveying assembly b (31) and are arranged corresponding to the feeding assemblies a (22) one by one, cutter assemblies b (32) which are arranged on the conveying assembly b (31) and are arranged corresponding to the cutter assemblies a (23) one by one, and a control assembly b (33) which is in guide transmission with the cutter assemblies b (32) and is positioned below the dressing (10) in transmission, wherein the cutter assemblies b (32) are horizontally arranged on the conveying assembly b (31);
the conveying assembly a (21) and the conveying assembly b (31) are in synchronous transmission, and the feeding assembly a (22), the cutter assembly a (23) and the cutter assembly b (32) are arranged on a limiting groove (12) in the rack (1) in a sliding mode through a limiting rod (11).
2. The production equipment for antibacterial medical dressings as claimed in claim 1, wherein the conveying component a (21) and the conveying component b (31) both comprise a driving motor (211) and two sets of chain and chain wheel units (212) driven by the driving motor (211) to rotate.
3. The production equipment for antibacterial medical dressings according to claim 2, characterized in that the feeding assembly a (22) and the feeding assembly b (34) comprise:
a mounting seat a (221), said mounting seat a (221) being fixedly mounted on said chain sprocket unit (212);
the two ends of the connecting plate a (222) are respectively and fixedly installed on the two adjacent installation bases a (221) which are correspondingly arranged;
the pushing rollers (223) are fixedly arranged on the connecting plate a (222) and are arranged in two groups at equal intervals along the length direction of the connecting plate a (222); and
the elastic block (224) is fixedly arranged at the end part of the push roller (223) and is of an elastic material structure, and the end parts of the elastic blocks (224) which are oppositely arranged on the feeding assembly a (22) and the feeding assembly b (34) are arranged in a contact mode.
4. The production equipment for antibacterial medical dressings according to claim 2, characterized in that the cutter assembly a (23) and the cutter assembly b (32) each comprise:
a mounting seat b (231), the mounting seat b (231) being fixedly mounted on the chain sprocket unit (212);
two ends of the connecting plate b (232) are respectively and fixedly installed on the two adjacent installation seats b (231) which are correspondingly arranged;
the telescopic pieces (233) are fixedly arranged below the connecting plate b (232) and are arranged in two groups at equal intervals along the length direction of the connecting plate b (232); and
the cutting knife (234) is hinged to the lower end of the telescopic piece (233) and arranged along the length direction of the connecting plate b (232).
5. An antibacterial medical dressing production device according to claim 4, characterized in that said telescopic member (233) comprises:
the telescopic rod (2331) is arranged along the vertical direction, and a spring (2332) is sleeved outside the telescopic rod (2331);
the limiting block (2333) is fixedly arranged at the end part of the telescopic rod (2331);
the sliding ball (2334) is fixedly arranged below the limiting block (2333) and is linearly arranged with the limiting block (2333); and
the sliding rod (2335) penetrates through the sliding ball (2334), one end of the sliding rod (2335) is fixedly arranged below the limiting block (2333), and the other end of the sliding rod is fixedly connected with the cutting knife (234).
6. An antibacterial medical dressing production device according to claim 4, characterized in that said control assembly a (24) comprises:
the guide piece a (241), the said guide piece a (241) includes the sliding rail a (242) and both ends connect with said sliding rail a (242) and support a (243) of the framework (1) separately; and
the guide piece b (244), the guide piece b (244) includes a sliding track b (245) and a bracket b (246) with two ends respectively connected with the sliding track b (245) and the frame (1);
any one of the telescopic members (233) slides on the guide a (241) and the other telescopic member (233) slides on the guide b (244).
7. An antibacterial medical dressing production device according to claim 6, characterized in that said control assembly b (33) comprises:
the guide piece c (331), the said guide piece c (331) includes the sliding rail c (332) and both ends connect with said sliding rail c (332) and support c (333) of the framework (1) separately; and
the guide piece d (334), the guide piece d (334) includes a sliding track d (335) and a bracket d (336) with two ends respectively connected with the sliding track d (335) and the frame (1);
any one of the telescopic members (233) slides on the guide c (331) and the other telescopic member (233) slides on the guide d (334).
8. The production equipment for medical dressings of an antibacterial type according to claim 7, characterized in that said sliding track a (242) is composed of an elongated part a (2421) and a horizontal part a (2422) which are inclined downwards along the transmission direction of the conveyor assembly a (21);
the sliding track b (245) is composed of a horizontal part b (2451) and an elongated part b (2452) which is inclined downwards along the transmission direction of the conveying assembly a (21);
the sliding track c (332) is composed of an elongated part c (3321) and a horizontal part c (3322) which are inclined upwards along the transmission direction of the conveying assembly a (21);
the sliding rail d (335) is composed of a horizontal part d (3351) and an elongated part d (3352) which is inclined upwards along the transmission direction of the conveying assembly a (21).
9. The production process of the antibacterial medical dressing comprises a material mixing process (I), a spinning and solidifying process (II), a needling process (III), a forming process (IV) and a shearing process (V), and is characterized in that the shearing process (V) comprises the following steps:
firstly, the dressing (10) is contacted and extruded through an elastic block (224) of a conveying assembly a (21) and a feeding assembly b (34) which are synchronously conveyed, and the dressing (10) is driven to be synchronously conveyed backwards;
secondly, the incision is worked, when the cutter assembly a (23) slides to the position of the control assembly a (24), one end of the cutting knife (234) of the cutter assembly a (23) moves downwards along the elongated part a (2421) of the sliding track a (242), the other end of the cutting knife (234) of the cutter assembly a (23) moves horizontally along the horizontal part b (2451) of the sliding track b (245), one end of the cutting knife (234) of the cutter assembly b (32) moves upwards along the elongated part c (3321) of the sliding track c (332), and the other end of the cutting knife (234) of the cutter assembly b (32) moves horizontally along the horizontal part d (3351) of the sliding track d (335), so that one end of the dressing (10) is cut and a mouth is cut;
step three, shearing all sides, wherein the cutting knife (234) of the cutting knife assembly a (23) horizontally moves the end part of the cut along the horizontal part a (2422) of the sliding track a (242), the other end of the cutting knife (234) of the cutting knife assembly a (23) downwards moves along the elongated part b (2452) of the sliding track b (245), the cutting knife (234) of the cutting knife assembly b (32) horizontally moves along the horizontal part c (3322) of the sliding track c (332), and the other end of the cutting knife (234) of the cutting knife assembly b (32) upwards moves along the elongated part d (3352) of the sliding track d (335), so that the other end of the dressing (10) is sheared;
and step four, outputting, namely continuously conveying the cut dressing (10) backwards and outputting through a feeding assembly a (22) and a feeding assembly b (34).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065850.9A CN110759161B (en) | 2019-11-04 | 2019-11-04 | Antibacterial medical dressing production equipment and technology thereof |
| PCT/CN2019/120217 WO2021088142A1 (en) | 2019-11-04 | 2019-11-22 | Antimicrobial medical dressing production device and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065850.9A CN110759161B (en) | 2019-11-04 | 2019-11-04 | Antibacterial medical dressing production equipment and technology thereof |
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| CN110759161A true CN110759161A (en) | 2020-02-07 |
| CN110759161B CN110759161B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911065850.9A Active CN110759161B (en) | 2019-11-04 | 2019-11-04 | Antibacterial medical dressing production equipment and technology thereof |
Country Status (2)
| Country | Link |
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| CN (1) | CN110759161B (en) |
| WO (1) | WO2021088142A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476210A (en) * | 2020-10-27 | 2022-05-13 | 奥美医疗用品股份有限公司 | Medical dressing slicing filling method |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2021088142A1 (en) | 2021-05-14 |
| CN110759161B (en) | 2020-10-27 |
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Denomination of invention: An antibacterial medical dressing production equipment and its process Effective date of registration: 20220727 Granted publication date: 20201027 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG WELLONG MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980011373 |
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