CN109704127B - Folding device is cut to non-woven fabrics - Google Patents
Folding device is cut to non-woven fabrics Download PDFInfo
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- CN109704127B CN109704127B CN201910142918.2A CN201910142918A CN109704127B CN 109704127 B CN109704127 B CN 109704127B CN 201910142918 A CN201910142918 A CN 201910142918A CN 109704127 B CN109704127 B CN 109704127B
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 131
- 230000007246 mechanism Effects 0.000 claims abstract description 141
- 238000012546 transfer Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 44
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 238000012856 packing Methods 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application relates to the technical field of non-woven fabric production, in particular to a non-woven fabric slitting and folding device, which comprises a frame and a weft folding mechanism arranged on the frame, wherein the weft folding mechanism comprises a knife clamping roller and a knife inserting roller which are oppositely arranged, at least one knife clamping mounting groove and one knife inserting mounting groove are respectively and correspondingly arranged on the knife clamping roller and the knife inserting roller, and a knife clamping and a knife inserting are respectively arranged in the knife clamping mounting groove and the knife inserting mounting groove; the cutter clamping and inserting mechanism is connected with the cutter clamping roller and the cutter inserting roller respectively and used for driving the cutter clamping roller and the cutter inserting roller to open and close. According to the non-woven fabric slitting and folding device, the slotting cutter roller is matched with the negative pressure mechanism to adsorb the non-woven fabric sheets to realize the transfer of the non-woven fabric sheets, and then the slotting cutter of the slotting cutter roller and the clamping cutter of the clamping cutter roller are matched to realize the weft folding of the non-woven fabric sheets, so that the whole process does not need to manually participate in the sequence folding, the labor cost is saved, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of non-woven fabric production, in particular to a non-woven fabric slitting and folding device.
Background
At present, most medical non-woven fabrics need to be folded, after the non-woven fabrics are cut into narrow non-woven fabrics by a dividing and cutting machine, the non-woven fabrics still need to be cut into non-woven fabrics blocks and then folded, and at present, the non-woven fabrics need to be manually involved in the sequence conversion and are folded in the folding machine in the cutting and folding process, so that a large amount of manpower is wasted in the process, the cost is low, and the production efficiency is low.
Disclosure of Invention
In order to solve the technical problems that in the prior art, manual sequence conversion is needed in the production of non-woven fabrics, the labor cost is high and the production efficiency is low, the application provides a non-woven fabric slitting and folding device.
The non-woven fabric slitting and folding device comprises a frame and also comprises a weft folding mechanism arranged on the frame, wherein the weft folding mechanism comprises a clamping knife roller and a slotting knife roller which are oppositely arranged, at least one clamping knife mounting groove and one slotting knife mounting groove are respectively and correspondingly arranged on the clamping knife roller and the slotting knife roller, and a clamping knife and a slotting knife are respectively arranged in the clamping knife mounting groove and the slotting knife mounting groove;
the device comprises a knife inserting roller, a negative pressure mechanism and a non-woven fabric piece, wherein the knife inserting roller is provided with a ventilating duct along the central axial direction and is communicated with the negative pressure mechanism in a sealing way, the knife inserting roller is provided with a plurality of ventilating holes along the radial direction and is communicated with the ventilating duct, and the negative pressure mechanism is used for adsorbing the non-woven fabric piece on the knife inserting roller;
The clamping knife adjusting mechanism and the slotting knife adjusting mechanism are respectively connected with the clamping knife and the slotting knife and used for driving the clamping knife and the slotting knife to be opened and closed;
When the slotting tool adjusting mechanism drives the slotting tool to be closed, the front end face of the slotting tool is lower than the surface of the slotting tool roller, and when the slotting tool and the clamping tool rotate to corresponding positions, the clamping tool adjusting mechanism drives the clamping tool to be opened, and meanwhile, the slotting tool adjusting mechanism drives the slotting tool to be opened, so that the front end face of the slotting tool is higher than the surface of the slotting tool roller, and the non-woven fabric sheet is inserted into the clamping tool.
Wherein, the slotting tool mounting groove and the clamping tool mounting groove both comprise a cylindrical mounting groove and a strip-shaped mounting groove;
The slotting tool mounting seat and the clamping tool mounting seat are cylindrical, and are respectively and rotatably mounted in corresponding cylindrical mounting grooves, and the slotting tool and the clamping tool are respectively located in corresponding strip-shaped mounting grooves.
The slotting tool adjusting structure and the clamping tool adjusting mechanism comprise springs, pull rods and bearings, a connecting block is arranged at the end parts of the slotting tool mounting seat and the clamping tool mounting seat, one end of each spring is fixed at the end part of the slotting tool roller or the clamping tool roller, the other end of each spring is fixedly connected with the connecting block, the bearings are fixed at the end parts of the slotting tool roller or the clamping tool roller, one end of each pull rod is fixedly connected with each bearing, and the other end of each pull rod is fixedly connected with the connecting block;
the cutter inserting and clamping device comprises a cutter inserting roller, a cutter clamping roller, a cutter inserting installation seat, a cutter clamping installation seat, a bearing, a cutter inserting roller, a cutter clamping roller, a spring, a stop block, a bearing, a pull rod, a cutter inserting installation seat and a cutter clamping installation seat.
Further, the cutting mechanism comprises a cutter roller and a cutter inserting roller, the cutter roller and the cutter inserting roller are oppositely arranged, at least one cutter is arranged on the cutter roller along the radial direction, and the blade of the cutter is in contact with the surface of the cutter inserting roller.
The cutter roller is provided with two cutters, the cutter inserting roller is provided with two cutters, the cutter clamping roller is also provided with two cutters, and the cutters, the cutters and the cutters are all spaced 180 degrees.
Wherein, its characterized in that still includes driving motor, cutter roller and spigot cutter roller and clamp cutter roller pass through gear connection respectively, driving motor is used for the drive spigot cutter roller rotates.
Wherein, the front end of the slotting tool is provided with an inclined plane, so that the thickness of the slotting tool gradually increases from the front end surface to the back.
The cutting device comprises a cutter, a cutter roll, a cutter roll and a cutter, wherein a cutting block matched with the cutter is arranged at the position of the cutter on the cutter roll, and the hardness of the cutting block is greater than that of the cutter roll.
Specifically, the ventilation holes on the knife inserting roller are uniformly formed.
Wherein, negative pressure mechanism is the suction fan.
According to the non-woven fabric slitting and folding device, the non-woven fabric sheets can be adsorbed by the slotting cutter roller and the negative pressure mechanism to realize the transfer of the non-woven fabric sheets, and then the slotting cutter of the slotting cutter roller and the clamping cutter of the clamping cutter roller are matched to realize the weft folding of the non-woven fabric sheets, so that the whole process does not need to manually participate in the sequence folding, the labor cost is saved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an on-line device;
FIG. 2 is a schematic view of a warp folding mechanism according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a large-roll unreeling structure of a non-woven fabric according to an embodiment of the application;
FIG. 4 is a schematic view of a slitting mechanism according to an embodiment of the present application;
FIG. 5 is a schematic diagram showing the connection of the driving motor structure and each mechanism according to the embodiment of the present application;
FIG. 6 is a schematic view of the cooperation of a cutter roll, a knife roll and a knife clamping roll according to an embodiment of the present application;
FIG. 7 is a schematic view of the mating structure of a knife roll and a knife roll;
FIG. 8 is an enlarged view of a portion of the mating of a knife roll and a pinch knife roll according to an embodiment of the present application;
FIG. 9 is a schematic view of the transfer mechanism and the packing mechanism in one view according to the embodiment of the present application;
FIG. 10 is a schematic view of the transfer mechanism and the packing mechanism in another view according to an embodiment of the present application;
FIG. 11 is a schematic view of a packing mechanism and a storage tank structure of a stereoscopic packing machine according to an embodiment of the present application;
FIG. 12 is a schematic view of the working state of a knife roll and a knife roll;
FIG. 13 is a schematic view showing the working state of the packing mechanism according to the embodiment of the present application.
Detailed Description
The application will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present application have not been shown or described in the specification in order to avoid obscuring the core portions of the present application, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.
Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.
Example 1
The embodiment provides a non-woven fabric slitting and folding device, as shown in fig. 1, which comprises a frame 1 and a weft folding mechanism arranged on the frame 1, wherein the weft folding mechanism comprises a knife clamping roller 5 and a knife inserting roller 4 which are oppositely arranged, two knife clamping mounting grooves 51 and two knife inserting mounting grooves 41 are correspondingly arranged on the knife clamping roller 5 and the knife inserting roller 4 respectively, and a knife clamping 53 and a knife inserting 43 are respectively arranged in the knife clamping mounting grooves 51 and the knife inserting mounting grooves 41 and can rotate.
The air duct 44 is provided on the knife roller 4 along the central axis direction and is in sealing communication with the air duct 44 and the air duct 8, the knife roller 4 is provided with a plurality of air vents 45 along the radial direction and the air vents 45 are in communication with the air duct 44, as shown in fig. 6, the negative pressure mechanism 8 is used for adsorbing the non-woven fabrics 14 on the knife roller 4 and driving the non-woven fabrics 14 to rotate, wherein the non-woven fabrics 14 are covered on the knives 43 of the knife mounting groove 41.
Wherein, as shown in fig. 7, the utility model also comprises a clamping knife adjusting mechanism and a slotting knife adjusting mechanism which are arranged on the clamping knife roller 5 and the slotting knife roller 4, and the clamping knife adjusting mechanism and the slotting knife adjusting mechanism are respectively connected with the clamping knife 53 and the slotting knife 43 and are used for driving the clamping knife 53 and the slotting knife 43 to open and close. When the slotting tool adjusting mechanism drives the slotting tool 43 to be closed, the front end face of the slotting tool 43 is lower than the surface of the slotting tool roller 4, namely, the slotting tool 43 is hidden in the slotting tool mounting groove 41, and when the slotting tool 43 and the clamping tool 53 rotate to corresponding positions, the clamping tool adjusting mechanism drives the clamping tool 53 to be opened, and meanwhile, the slotting tool adjusting mechanism drives the slotting tool 43 to be opened, so that the front end face of the slotting tool 43 is higher than the surface of the slotting tool roller 4, and the non-woven fabric 14 is inserted into the clamping tool 53. Then the knife inserting roller 4 and the knife clamping roller 5 continue to rotate, the knife inserting adjusting mechanism drives the knife inserting 43 to be closed, namely reset, so that the knife inserting 43 withdraws from the knife clamping 53, and then the knife clamping 53 continues to clamp the non-woven fabric 14 to rotate, and weft folding is completed.
Specifically, as shown in fig. 8, the slotting tool mounting groove 41 and the clamping tool mounting groove 51 in this embodiment each include a cylindrical mounting groove and a strip-shaped mounting groove, the slotting tool mounting groove 41 includes a cylindrical mounting groove 411 and a strip-shaped mounting groove 412, and the clamping tool mounting groove 51 also includes a cylindrical mounting groove 511 and a strip-shaped mounting groove 512.
The slotting tool mounting seat 42 and the clamping tool mounting seat 52 are cylindrical, the slotting tool mounting seat 42 and the clamping tool mounting seat 52 are respectively rotatably mounted in corresponding cylindrical mounting grooves 411 and 511, and the slotting tool 43 and the clamping tool 53 are respectively positioned in corresponding strip-shaped mounting grooves 412 and 512.
Specifically, in this embodiment, the insert holder 42 and the clamp holder 52 are directly mounted in the cylindrical mounting slots 411 and 412, and then the sides of the insert holder 42 and the clamp holder 52 are blocked by the blocking member, so as to avoid moving to the two ends of the cylindrical mounting slots 411 and 412, so that the insert holder 42 and the clamp holder 52 can be driven by the clamp adjustment mechanism and the insert adjustment mechanism to rotate, thereby realizing opening and closing. When the clamping knife 53 is closed, the clamping knife 53 and the side wall of the strip-shaped mounting groove 512 are matched to clamp the existing non-woven fabric 14, and then the clamping knife roller 5 rotates to drive the non-woven fabric 14 to realize weft folding.
The structure of the slotting tool adjusting mechanism is the same as that of the clamping tool adjusting mechanism, and the clamping tool adjusting mechanism is taken as an example for explanation in the embodiment. The knife clamping adjusting structure comprises a spring 541, a pull rod 542 and a bearing 543, wherein a connecting block 521 is arranged at the end part of the knife clamping installation seat 52, one end of the spring 541 is fixed at the end part of the knife inserting roller 5, the other end of the spring 541 is fixedly connected with the connecting block 521, the bearing 543 is fixed at the end part of the knife clamping roller 5, one end of the pull rod 542 is fixedly connected with the outer ring of the bearing 543, and the other end of the pull rod 542 is fixedly connected with the connecting block 521. When the bearing 543 rotates counterclockwise, the pull rod 542 is driven to move, and the pull rod 542 pulls the clamping knife mounting seat 52 to rotate counterclockwise by a small extent, so that the clamping knife 53 is far away from the lower side wall of the strip-shaped mounting groove 512, namely in an open state.
Further, the clamping knife adjusting mechanism further comprises a stop block 544 arranged at a corresponding position on the frame 1, when the clamping knife roller 5 rotates to the position corresponding to the stop block 544, the stop block 544 collides with the bearing 543, so that the bearing 543 rotates to drive the pull rod 542 to move and further drive the clamping knife mounting seat 52 to rotate, the clamping knife 53 is far away from the lower side wall of the strip-shaped mounting groove 512 and is in an open state, and after the clamping knife roller 5 rotates to the position corresponding to the stop block 544, the spring 541 pulls the clamping knife mounting seat 52 to rotate clockwise to reset, so that the clamping knife 53 is in a closed state.
The structure of the slotting tool adjusting mechanism is the same as that of the clamping tool adjusting mechanism, and the slotting tool 43 is in a closed state in general, that is, the slotting tool 43 rotates anticlockwise so that the slotting tool 43 is hidden in the mounting groove 412, and the mutual rotation of the slotting tool roller 4 and the clamping tool roller 5 is not affected.
When the slotting tool 43 rotates to a position corresponding to the clamping tool 53 quickly, the slotting tool adjusting mechanism drives the slotting tool to rotate anticlockwise so that the slotting tool 43 is opened, at this time, the front end face of the slotting tool 43 is higher than the surface of the slotting tool roller 4, the non-woven fabric 14 covered on the surface of the slotting tool roller 4 is inserted into the clamping tool 53, then the clamping tool 53 is closed and clamps the non-woven fabric 14, the slotting tool roller 4 and the clamping tool roller 5 continue to rotate, and the slotting tool 43 withdraws from the clamping tool 53 and is reset under the action of a spring.
Specifically, the opening and closing times of the knife 53 and the knife 43 are determined according to the time of collision of the stopper 544 and the bearing 543 on the frame.
When the nonwoven fabric 14 is gripped by the gripper blade 53, the nonwoven fabric 14 is folded in the weft direction by the rotation of the gripper blade roller 5, and then the nonwoven fabric 14 is transferred as the gripper blade roller 5 rotates.
Further, the device also comprises a cutting mechanism, wherein the cutting mechanism is arranged in the upstream procedure of the weft folding mechanism and is used for cutting the non-woven fabric folded in the warp direction to obtain the non-woven fabric sheet with the required length. Wherein, the shutdown mechanism includes setting up cutter roller 3 and slotting tool roller 4 relatively, is provided with two cutters 31 along radial direction on the cutter roller 3, and the interval is 180 on cutter roller 3 to two cutters 31, sets up at the both ends of a diameter of cutter roller 3 promptly, and the cutting edge 311 of cutter 31 contacts with the surface of slotting tool roller 4. In this way, two cuts may occur during one revolution of the cutter roll 3, so that the length of the cut nonwoven 14 satisfies the desired length.
In other embodiments, a cutter 31 may be provided, so that a cut may occur during one rotation of the cutter roll 3, the length of the cut nonwoven fabric 14 is longer, three or four cutters 31 may be provided, and the three or four cutters 31 are arranged at equal intervals on the circumference, for example, three cutters 31 are not arranged at an interval of 60 °, so that the length of the cut nonwoven fabric 14 is shorter.
In this embodiment, one end of the cutter 31 is a rectangular bar, and is used for being fixed on the cutter roller 3, and the other end includes two isosceles triangle surfaces, and the connection part of the two isosceles triangle surfaces forms a cutting edge 311.
Preferably, in this embodiment, a cutting block 46 is disposed on the cutter roller 4 corresponding to the cutter 31 and matched with the cutter 31, and the hardness of the cutting block 46 is greater than that of the cutter roller 4, wherein the cutter 31 is made of a material with greater hardness and wear resistance, such as a rigid material.
In this embodiment, two cutters 31 are disposed on the cutter roller 3, two cutters 43 are disposed on the cutter roller 4, two cutters 53 are disposed on the cutter roller 5, and the cutters 31, the cutters 43 and the cutters 53 are spaced 180 ° apart, so that two times of non-woven fabric cutting and weft folding are sequentially completed in one period of rotation.
Further, the front end of the knife 43 of the present embodiment is provided with a slope 431 so that the thickness of the knife 43 gradually increases from the front end surface to the rear, thereby facilitating the withdrawal of the knife 43 after the gauze is inserted into the clamp 53 by the knife 43.
Preferably, the ventilation holes 45 on the knife roller 4 are uniformly arranged in the embodiment, so that the non-woven fabric 14 is tightly adsorbed.
The negative pressure mechanism in this embodiment adopts a suction fan 8, and the non-woven fabric is adsorbed on the knife inserting roller 4 through the suction fan 8.
Through the slitting folding device of this embodiment, can realize online connection with the non-woven fabric slitting device, automatic realization non-woven fabric cut off and latitudinal direction folding process, whole process need not artifical commentaries on classics order and participation, has reduced the human cost and has improved production efficiency.
Example 2
The embodiment provides an on-line device of a non-woven fabric folding machine and a packaging machine, as shown in fig. 1, which comprises a frame 1, and a slitting mechanism, a warp-wise folding mechanism 2, a cutting mechanism, a weft-wise folding mechanism, a cutting mechanism, a transferring mechanism 6 and a filling mechanism 7 which are arranged on the frame 1.
The slitting mechanism is used for slitting the nonwoven fabric large rolls 11 to obtain a plurality of narrow nonwoven fabrics 14, then the warp-wise folding mechanism 2 is used for carrying out warp-wise folding on the plurality of narrow nonwoven fabrics 14, and the narrow nonwoven fabrics are pulled into the cutting mechanism to be cut into nonwoven fabric blocks, so that the process is finished online.
Wherein, as shown in fig. 2, the folding mechanism comprises a first transmission shaft 21 and a second transmission shaft 24 which are arranged along a first direction and are used for pulling the cut non-woven fabrics 14, wherein a first folding plate 22 and a second folding plate 23 are sequentially arranged between the first transmission shaft 21 and the second transmission shaft 24 along the flowing direction of the non-woven fabrics 14, the first folding plate 22 and the second folding plate 23 are arranged in a triangle shape, and the triangle included angle formed by the first folding plate 22 and the second folding plate 23 is set to be 20-160 degrees. Wherein the first folding plate 22 and the second folding plate 23 are connected at one edge. Wherein the first folding plate 22 is a trapezoid plate, the second folding plate 23 is a rectangular plate, and comprises a bevel 221, i.e. a waist of the trapezoid plate, and an obtuse angle corresponding to the bevel 221 is aligned with a right angle of the second folding plate 23. The first drive shaft 21 pulls the nonwoven 14 flat against the first folding plate 22 and the second folding plate 23 and then tightens via the second drive shaft 24, wherein it is ensured that the nonwoven 14 is in a straightened and smooth state against the first folding plate 22 and the second folding plate 23. Thus, when the nonwoven fabric 14 is flowing, due to the existence of the inclined edge 221 of the first folding plate 22, one triangular piece of the nonwoven fabric 14 is in an unstrained state at the inclined edge 221, and is folded at the first folding plate 22 and the second folding plate 23, thereby completing the first warp folding.
Wherein the width of the fold of the nonwoven 14 during the first warp direction fold is related to the slope of the hypotenuse 221 of the first fold panel 22, in other embodiments, the width of the fold of the nonwoven 14 may be adjusted by varying the slope of the hypotenuse 221. Specifically, the greater the slope of the angled edge 221, i.e., the closer the angled edge 221 is to the vertical of the upper and lower edges of the first fold panel 22, the smaller the width of the fold, and vice versa.
Preferably, in this embodiment, the included angle formed by the first folding plate 22 and the second folding plate 23 is 45 °, and the two folding plates are substantially arranged in an isosceles triangle, so that the flatness of the nonwoven fabric 14 when flowing on the first folding plate 22 and the second folding plate 23 is ensured, and the folding effect is good.
Further, a third driving shaft 26 and a fourth driving shaft 27 are provided along the second direction, the third driving shaft 26 and the fourth driving shaft 27 are disposed opposite and parallel, and a folding channel 261 is formed therebetween. A third folding plate 25 is arranged right below the folding channel 261, the third folding plate 25 is a triangular plate, wherein a right triangle is selected in the embodiment, the third folding plate 25 is vertically arranged, a shorter right-angle side is close to the folding channel 261, the non-woven fabric 14 is tightly stretched and laid on the third folding plate 25, wherein the hypotenuse of the third folding plate 25 is positioned at the middle part of the non-woven fabric 14, and the plane of the third folding plate is perpendicular to the plane of the non-woven fabric 14, so that when the non-woven fabric 14 flows through the third folding plate, the non-woven fabric 14 is folded at the third folding plate 25 due to the existence of the third folding plate 25, and then the non-woven fabric 14 is compressed through the folding channel 261 to finish the second warp folding.
The first direction and the second direction are selected according to practical situations, and are not specifically limited herein.
Further, as shown in fig. 6, the apparatus further includes a cutting mechanism provided downstream of the warp folding mechanism 2 for cutting the folded nonwoven fabric to obtain nonwoven fabric sheets of a desired length. Wherein, the shutdown mechanism includes setting up cutter roller 3 and slotting tool roller 4 relatively, is provided with two cutters 31 along radial direction on the cutter roller 3, and the interval is 180 on cutter roller 3 to two cutters 31, sets up at the both ends of a diameter of cutter roller 3 promptly, and the cutting edge 311 of cutter 31 contacts with the surface of slotting tool roller 4. In this way, two cuts may occur during one revolution of the cutter roll 3, so that the length of the cut nonwoven 14 satisfies the desired length.
In other embodiments, a cutter 31 may be provided, so that a cut may occur during one rotation of the cutter roll 3, the length of the cut nonwoven fabric 14 is longer, three or four cutters 31 may be provided, and the three or four cutters 31 are arranged at equal intervals on the circumference, for example, three cutters 31 are not arranged at an interval of 60 °, so that the length of the cut nonwoven fabric 14 is shorter.
In this embodiment, one end of the cutter 31 is a rectangular bar, and is used for being fixed on the cutter roller 3, and the other end includes two isosceles triangle surfaces, and the connection part of the two isosceles triangle surfaces forms a cutting edge 311.
Preferably, in this embodiment, the cutting block 46 matching with the cutter 31 is provided on the cutter inserting roller 4 at a position corresponding to the cutter 31, and the hardness of the cutting block 46 is greater than that of the cutter inserting roller 4, wherein the cutter 31 is also made of a material with a higher hardness and wear resistance, such as a rigid material.
Further, as shown in fig. 1, the device further comprises a traction mechanism 13 arranged between the warp folding mechanism and the cutting mechanism, and the traction mechanism 13 comprises a set of oppositely arranged traction rollers for traction of the non-woven fabric coming out of the warp folding mechanism into the cutting mechanism. The traction mechanism 13 is mainly used for ensuring that the non-woven fabric is cut by the horizontal entering cutting device, and in other embodiments, the non-woven fabric can be not arranged.
Further, as shown in fig. 3 and 4, the apparatus further includes a slitting mechanism disposed in an upstream process of the warp-wise folding mechanism 2 for slitting the nonwoven fabric large roll 11 to obtain a plurality of narrow nonwoven fabrics 14.
The slitting device comprises a plurality of first cutters 12 which are arranged at equal intervals, wherein the cutting edges of the first cutters 12 are arranged against the flowing direction of the non-woven fabric large roll 11 and are used for slitting the non-woven fabric large roll 11. Wherein the number of first cutters 12 is set as desired, typically between 4-7, in this embodiment 4 handles. The manner in which the first cutter 12 is disposed and the specific structure of the slitting mechanism are similar to those of the prior art and will not be described in detail herein.
In this embodiment, the nonwoven fabric 14 cut by the cutting mechanism 2 is also pulled by the roller 28, and sequentially passes through the plurality of rollers to reach the pulling mechanism 13. The plurality of first cutters 12 are used for slitting the nonwoven fabric large roll 11 into a plurality of narrow nonwoven fabrics 14, the warp-direction folding mechanism 2 and the cutting mechanism also comprise a plurality of narrow nonwoven fabrics 14, and the warp-direction folding mechanism and the cutting mechanism are in one-to-one correspondence with the number of the narrow nonwoven fabrics 14 and are used for folding and cutting each narrow nonwoven fabric 14, and the number of the traction mechanisms also corresponds to the number of the narrow nonwoven fabrics 14.
Wherein, as shown in fig. 5, the cutter roller 3 and the knife inserting roller 4 are connected by a gear and can synchronously rotate, and the drive motor 15 is used for driving the gear of the cutter roller 3 or the knife inserting roller 4 to rotate so as to realize integral driving.
As shown in fig. 6, 7 and 8, the weft folding mechanism includes a clamping knife roller 5 and a slotting knife roller 4 which are oppositely arranged, wherein two clamping knife mounting grooves 51 and two slotting knife mounting grooves 41 are respectively and correspondingly arranged on the clamping knife roller 5 and the slotting knife roller 4, and a clamping knife 53 and a slotting knife 43 are respectively arranged in the clamping knife mounting grooves 51 and the slotting knife mounting grooves 41 and can rotate.
The negative pressure mechanism 8 is used for adsorbing the non-woven fabric 14 on the cutter roller 4 and driving the non-woven fabric 14 to rotate, wherein the non-woven fabric 14 is covered on the cutter 43 of the cutter mounting groove 41.
The cutter clamping and inserting mechanism is connected with the cutter clamping 53 and the cutter 43 respectively and used for driving the cutter clamping 53 and the cutter 43 to open and close. When the slotting tool adjusting mechanism drives the slotting tool 43 to be closed, the front end face of the slotting tool 43 is lower than the surface of the slotting tool roller 4, namely, the slotting tool 43 is hidden in the slotting tool mounting groove 41, and when the slotting tool 43 and the clamping tool 53 rotate to corresponding positions, the clamping tool adjusting mechanism drives the clamping tool 53 to be opened, and meanwhile, the slotting tool adjusting mechanism drives the slotting tool 43 to be opened, so that the front end face of the slotting tool 43 is higher than the surface of the slotting tool roller 4, and the non-woven fabric 14 is inserted into the clamping tool 53. Then the knife inserting roller 4 and the knife clamping roller 5 continue to rotate, the knife inserting adjusting mechanism drives the knife inserting 43 to be closed, namely reset, so that the knife inserting 43 withdraws from the knife clamping 53, and then the knife clamping 53 continues to clamp the non-woven fabric 14 to rotate, and weft folding is completed.
Specifically, the slotting tool mounting groove 41 and the clamping tool mounting groove 51 in this embodiment each include a cylindrical mounting groove and a strip-shaped mounting groove, the slotting tool mounting groove 41 includes a cylindrical mounting groove 411 and a strip-shaped mounting groove 412, and the clamping tool mounting groove 51 also includes a cylindrical mounting groove 511 and a strip-shaped mounting groove 512.
The slotting tool mounting seat 42 and the clamping tool mounting seat 52 are cylindrical, the slotting tool mounting seat 42 and the clamping tool mounting seat 52 are respectively rotatably mounted in corresponding cylindrical mounting grooves 411 and 511, and the slotting tool 43 and the clamping tool 53 are respectively positioned in corresponding strip-shaped mounting grooves 412 and 512.
Specifically, in this embodiment, the insert holder 42 and the clamp holder 52 are directly mounted in the cylindrical mounting slots 411 and 412, and then the sides of the insert holder 42 and the clamp holder 52 are blocked by the blocking member, so as to avoid moving to the two ends of the cylindrical mounting slots 411 and 412, so that the insert holder 42 and the clamp holder 52 can be driven by the clamp adjustment mechanism and the insert adjustment mechanism to rotate, thereby realizing opening and closing. When the clamping knife 53 is closed, the clamping knife 53 and the side wall of the strip-shaped mounting groove 512 are matched to clamp the existing non-woven fabric 14, and then the clamping knife roller 5 rotates to drive the non-woven fabric 14 to realize weft folding.
The structure of the slotting tool adjusting mechanism is the same as that of the clamping tool adjusting mechanism, and the clamping tool adjusting mechanism is taken as an example for explanation in the embodiment. The knife clamping adjusting structure comprises a spring 541, a pull rod 542 and a bearing 543, wherein a connecting block 521 is arranged at the end part of the knife clamping installation seat 52, one end of the spring 541 is fixed at the end part of the knife inserting roller 5, the other end of the spring 541 is fixedly connected with the connecting block 521, the bearing 543 is fixed at the end part of the knife clamping roller 5, one end of the pull rod 542 is fixedly connected with the outer ring of the bearing 543, and the other end of the pull rod 542 is fixedly connected with the connecting block 521. When the bearing 543 rotates counterclockwise, the pull rod 542 is driven to move, and the pull rod 542 pulls the clamping knife mounting seat 52 to rotate counterclockwise by a small extent, so that the clamping knife 53 is far away from the lower side wall of the strip-shaped mounting groove 512, namely in an open state.
Further, the clamping knife adjusting mechanism further comprises a stop block 544 arranged at a corresponding position on the frame 1, when the clamping knife roller 5 rotates to the position corresponding to the stop block 544, the stop block 544 collides with the bearing 543, so that the bearing 543 rotates to drive the pull rod 542 to move and further drive the clamping knife mounting seat 52 to rotate, the clamping knife 53 is far away from the lower side wall of the strip-shaped mounting groove 512 and is in an open state, and after the clamping knife roller 5 rotates to the position corresponding to the stop block 544, the spring 541 pulls the clamping knife mounting seat 52 to rotate clockwise to reset, so that the clamping knife 53 is in a closed state.
The structure of the slotting tool adjusting mechanism is the same as that of the clamping tool adjusting mechanism, and the description is omitted here, as shown in fig. 12, in the working state, according to the arrow direction in the drawing, the slotting tools 43 are in the closed state in sequence in the working state, that is, the slotting tools 43 rotate anticlockwise so that the slotting tools 43 are hidden in the mounting groove 412, and the mutual rotation of the slotting tool roller 4 and the clamping tool roller 5 is not affected. When the slotting tool 43 rotates to a position corresponding to the clamping tool 53 quickly, the slotting tool adjusting mechanism drives the slotting tool to rotate anticlockwise so that the slotting tool 43 is opened, at this time, the front end face of the slotting tool 43 is higher than the surface of the slotting tool roller 4, the non-woven fabric 14 covered on the surface of the slotting tool roller 4 is inserted into the clamping tool 53, then the clamping tool 53 is closed and clamps the non-woven fabric 14, the slotting tool roller 4 and the clamping tool roller 5 continue to rotate, and the slotting tool 43 withdraws from the clamping tool 53 and is reset under the action of a spring.
Specifically, the opening and closing times of the clamp blade 53 and the insert blade 43 are determined according to the time of collision of the stopper 544 and the bearing 543 on the frame.
When the nonwoven fabric 14 is gripped by the gripper blade 53, the nonwoven fabric 14 is folded in the weft direction by the rotation of the gripper blade roller 5, and then the nonwoven fabric 14 is transferred as the gripper blade roller 5 rotates.
Wherein, the cutting mechanism is arranged in the upstream procedure of the weft folding mechanism and is used for cutting the non-woven fabrics folded in the warp direction to obtain non-woven fabric sheets with required lengths. Wherein, the shutdown mechanism includes setting up cutter roller 3 and slotting tool roller 4 relatively, is provided with two cutters 31 along radial direction on the cutter roller 3, and the interval is 180 on cutter roller 3 to two cutters 31, sets up at the both ends of a diameter of cutter roller 3 promptly, and the cutting edge 311 of cutter 31 contacts with the surface of slotting tool roller 4. In this way, two cuts may occur during one revolution of the cutter roll 3, so that the length of the cut nonwoven 14 satisfies the desired length.
In other embodiments, a cutter 31 may be provided, so that a cut may occur during one rotation of the cutter roll 3, the length of the cut nonwoven fabric 14 is longer, three or four cutters 31 may be provided, and the three or four cutters 31 are arranged at equal intervals on the circumference, for example, three cutters 31 are not arranged at an interval of 60 °, so that the length of the cut nonwoven fabric 14 is shorter.
In this embodiment, one end of the cutter 31 is a rectangular bar, and is used for being fixed on the cutter roller 3, and the other end includes two isosceles triangle surfaces, and the connection part of the two isosceles triangle surfaces forms a cutting edge 311.
Preferably, in this embodiment, a cutting block 46 is disposed on the cutter roller 4 corresponding to the cutter 31 and matched with the cutter 31, and the hardness of the cutting block 46 is greater than that of the cutter roller 4, wherein the cutter 31 is made of a material with greater hardness and wear resistance, such as a rigid material.
In this embodiment, two cutters 31 are disposed on the cutter roller 3, two cutters 43 are disposed on the cutter roller 4, two cutters 53 are disposed on the cutter roller 5, and the cutters 31, the cutters 43 and the cutters 53 are spaced 180 ° apart, so that two times of non-woven fabric cutting and weft folding are sequentially completed in one period of rotation.
Further, the front end of the knife 43 of the present embodiment is provided with a slope 431 so that the thickness of the knife 43 gradually increases from the front end surface to the rear, thereby facilitating the withdrawal of the knife 43 after the gauze is inserted into the clamp 53 by the knife 43.
Preferably, the ventilation holes 45 on the knife roller 4 are uniformly arranged in the embodiment, so that the non-woven fabric 14 is tightly adsorbed.
Wherein, negative pressure mechanism in this embodiment adopts suction fan 8, adsorbs the non-woven fabrics on slotting tool roller 4 through suction fan 8, and air-blower 8 passes through pipeline 81 and slotting tool roller 4's one end sealing intercommunication.
Wherein, transfer mechanism 6 is used for adsorbing the non-woven fabrics piece and transferring to the input slot 91 directly over, and packing mechanism 7 is used for impressing the non-woven fabrics piece from transfer mechanism 6 in the input slot 91, can realize the online automatic transfer and the packing of non-woven fabrics through the device, has improved production efficiency.
Wherein, as shown in fig. 9 and 10, the transfer mechanism 6 includes a transfer roller and a negative pressure mechanism 8, the transfer roller includes a roller shaft 61 and four rows of fan-shaped bulges 62 arranged along the axial direction of the roller shaft 61, a first ventilating duct 64 is formed along the axial direction in the middle of the roller shaft 61, two ends of the first ventilating duct 64 are communicated with the negative pressure mechanism 8 in a sealing way, a plurality of first ventilation holes 622 are formed along the radial direction on the fan-shaped bulges 62, the first ventilation holes 622 are communicated with the first ventilating duct 64 in a sealing way, and the negative pressure mechanism 8 can provide negative pressure to adsorb non-woven fabrics through the first ventilation holes 622, so that the non-woven fabrics rotate to a preset position along with the transfer roller.
The packing mechanism 7 comprises a pressing rod 71 and a cam mechanism 72 for driving the pressing rod to move, a sector space 63 is formed between the sector protrusions 62, and the pressing rod 71 is arranged in the sector space. The fan-shaped protrusions 62 of each row include a plurality of fan-shaped units 621, the plurality of fan-shaped units 621 are uniformly arranged along the axial direction of the roller shaft 61, a plurality of first ventilation holes 622 are provided on each fan-shaped unit 621 along the axial direction, the first ventilation holes 622 are communicated with the first ventilation channels 64, the first ventilation holes 622 on each fan-shaped unit 621 are uniformly arranged along the circumferential direction and form at least one row, and the compression bars 71 are located in the gaps between the fan-shaped units 621.
The cam mechanism 72 of the present embodiment further includes a connecting rod 721 disposed along the axial direction of the roller shaft 61, and a plurality of pressing rods 71 are fixed on the connecting rod 721, and the pressing rods press the non-woven fabrics 14 adsorbed on the fan-shaped protrusions 62 into the corresponding input grooves 91 under the driving of the cam mechanism 72, thereby completing the transfer of the non-woven fabrics. As shown in fig. 13, when the roller shaft 61 is not rotated to the position corresponding to the input slot 91, the pressing rod 71 is located in the gap between the fan-shaped units 621, and when the roller shaft is rotated to the position right above the input slot 91, the cam mechanism 72 drives the pressing rod 71 to move downward, so that the non-woven fabric 14 is pressed into the input slot 91, and after the non-woven fabric is completed, the cam mechanism 72 drives the pressing rod 71 to move upward and shrink into the gap between the fan-shaped units 621, thus completing a working cycle.
Further, the device also comprises a driving motor 15, the roll shaft 61 and the cam mechanism 72 are connected through gears, and the driving motor 15 is used for driving the roll shaft 61 and the cam mechanism 72 to synchronously rotate so as to finish transfer and filling of the non-woven fabric.
Specifically, in order to adapt to the plane packaging machine, as shown in fig. 10, the embodiment further provides a gauze piece input groove structure matched with the plane packaging machine, which comprises a supporting plate 9 and a plurality of pushing plates 92, wherein the supporting plate 9 is in a groove shape, a conveying belt or a circulating chain is arranged in the supporting plate 9, the pushing plates 92 are arranged on the conveying belt or the circulating chain, the conveying belt or the circulating chain is driven by a stepping motor to circularly move in the supporting plate, when a transfer roller fills the gauze piece 14 into the input groove, the circulation speed of the pushing plates can be adjusted according to the frequency of the stepping motor, the rotation speed of the transfer roller is matched, so that the filling of a plurality of non-woven fabrics 14 can be realized, and after the filling is finished, the non-woven fabrics are input into the plane packaging machine by the movement of the pushing plates 92.
Further, a protrusion 91 is further provided at the end of the push plate 92, and when the push plate 92 slides in the supporting plate 9, the protrusion 91 is used for blocking the folded nonwoven fabric 14, so that the whole is packaged along with the movement of the push plate 92 to the corresponding position of the packaging machine.
The negative pressure mechanism 8 in this embodiment is a suction fan, and the suction fan 8 is always turned on to adsorb the nonwoven fabric 14 on the transfer roller in the working process, and the suction fan 8 is communicated with the first air duct 64 of the transfer roller through the pipe 82.
In addition, in order to cooperate the use of three-dimensional packagine machine, this embodiment still provides another storage tank structure, as fig. 11, this structure includes the conveyer belt, be equipped with a plurality of first push plates 102 on the conveyer belt, all be equipped with the filler hole on the first push plate 102 that conveyer belt upper strata and lower floor correspond, also correspond on this conveyer belt simultaneously and be equipped with the through-hole, the filler hole is located the storage tank 104 of packagine machine directly over, still including setting up the top at the filler hole take a head 101 and be used for driving the actuating mechanism 10 that takes a head 101 to move, take a head 101 is arranged in driving the non-woven fabrics into the storage tank through the filler hole. When the number of the non-woven fabrics 14 in the storage tank reaches a preset number, the storage tank 104 moves forwards to input the non-woven fabrics into the three-dimensional packaging machine for packaging.
In this embodiment, the non-woven fabrics in the storage tanks 104 of three rows and three columns can be packaged at one time, because when filling, a plurality of filling devices are correspondingly arranged, the three storage tanks 104 of three rows and three columns can be filled at one time, and after filling is completed, the non-woven fabrics can be driven into the storage tanks 104 by the plurality of heads 102 at one time, so that the efficiency is higher.
Through the online device that this embodiment provided, cut to folding, packing and carry to packagine machine in from nonwoven big roll 11 and pack, all accomplish on line, need not artifical commentaries on classics order and participation, provide production efficiency, and practiced thrift the human cost.
The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.
Claims (9)
1. The non-woven fabric slitting and folding device comprises a frame and is characterized by further comprising a weft folding mechanism arranged on the frame, wherein the weft folding mechanism comprises a knife clamping roller and a knife inserting roller which are oppositely arranged, at least one knife clamping mounting groove and one knife inserting mounting groove are respectively and correspondingly arranged on the knife clamping roller and the knife inserting roller, and a knife clamping and a knife inserting are respectively arranged in the knife clamping mounting groove and the knife inserting mounting groove;
the device comprises a knife inserting roller, a negative pressure mechanism and a non-woven fabric piece, wherein the knife inserting roller is provided with a ventilating duct along the central axial direction and is communicated with the negative pressure mechanism in a sealing way, the knife inserting roller is provided with a plurality of ventilating holes along the radial direction and is communicated with the ventilating duct, and the negative pressure mechanism is used for adsorbing the non-woven fabric piece on the knife inserting roller;
The clamping knife adjusting mechanism and the slotting knife adjusting mechanism are respectively connected with the clamping knife and the slotting knife and used for driving the clamping knife and the slotting knife to be opened and closed;
When the slotting tool adjusting mechanism drives the slotting tool to be closed, the front end face of the slotting tool is lower than the surface of the slotting tool roller, and when the slotting tool and the clamping tool rotate to corresponding positions, the clamping tool adjusting mechanism drives the clamping tool to be opened, and meanwhile, the slotting tool adjusting mechanism drives the slotting tool to be opened, so that the front end face of the slotting tool is higher than the surface of the slotting tool roller, and the non-woven fabric sheet is inserted into the clamping tool; then the knife inserting roller and the knife clamping roller continue to rotate, the knife inserting adjusting mechanism drives the knife inserting to be closed, so that the knife inserting is withdrawn from the knife clamping device, and then the knife clamping device continues to clamp the non-woven fabric to rotate, and weft folding is completed;
The cutting mechanism comprises a cutter roller and a cutter inserting roller, wherein the cutter roller and the cutter inserting roller are oppositely arranged, at least one cutter is arranged on the cutter roller along the radial direction, and the blade of the cutter is in contact with the surface of the cutter inserting roller;
the cutting mechanism is arranged in the upstream procedure of the weft folding mechanism and is used for cutting the non-woven fabrics folded in the warp direction to obtain non-woven fabric sheets with required lengths;
Still include transfer mechanism, transfer mechanism includes the transfer roller, the transfer roller includes the roller and follows the fan-shaped arch that the axial of roller set up, be formed with first air flue along the axial in the middle of the roller, the both ends of first air flue with negative pressure mechanism seals the intercommunication, be equipped with a plurality of first ventilation holes along radial on the fan-shaped arch, first ventilation hole with first air flue seals the intercommunication, negative pressure mechanism is used for providing the negative pressure and passes through first ventilation hole adsorbs the non-woven fabrics for the non-woven fabrics follows transfer roller rotates the predetermined position.
2. The slitting folding apparatus of claim 1, wherein the knife mounting slot and the clamp mounting slot each comprise a cylindrical mounting slot and a bar mounting slot;
The slotting tool mounting seat and the clamping tool mounting seat are cylindrical, and are respectively and rotatably mounted in corresponding cylindrical mounting grooves, and the slotting tool and the clamping tool are respectively located in corresponding strip-shaped mounting grooves.
3. The slitting and folding device according to claim 2, wherein the slotting tool adjusting mechanism and the clamping tool adjusting mechanism comprise springs, pull rods and bearings, wherein connecting blocks are arranged at the ends of the slotting tool mounting seat and the clamping tool mounting seat, one end of each spring is fixed at the end of the slotting tool roller or the clamping tool roller, the other end of each spring is fixedly connected with the connecting block, the bearings are fixed at the end of the slotting tool roller or the clamping tool roller, one end of each pull rod is fixedly connected with each bearing, and the other end of each pull rod is fixedly connected with the connecting block;
the cutter inserting and clamping device comprises a cutter inserting roller, a cutter clamping roller, a cutter inserting installation seat, a cutter clamping installation seat, a bearing, a cutter inserting roller, a cutter clamping roller, a spring, a stop block, a bearing, a pull rod, a cutter inserting installation seat and a cutter clamping installation seat.
4. The slitting and folding device according to claim 1, wherein two knives are provided on the knife roller, two clamping knives are also provided on the knife roller, and the knives, the knives and the clamping knives are each spaced 180 °.
5. The slitting folding apparatus according to claim 1, further comprising a drive motor, the cutter and knife rolls and the knife and clamp rolls being respectively connected by gears, the drive motor being adapted to drive the knife rolls in rotation.
6. The slitting folding apparatus according to claim 1, wherein the front end of the knife is provided with a slope so that the thickness of the knife increases gradually from the front end face to the rear.
7. The slitting folding apparatus according to claim 1, wherein a cutting block is provided on the knife roller at a position corresponding to the cutter, the cutting block being matched with the cutter, and the hardness of the cutting block being greater than that of the knife roller.
8. The slitting folding apparatus of claim 1, wherein the vent holes in the knife roll are uniformly disposed.
9. The slit folding apparatus of claim 1 wherein the negative pressure mechanism is a suction fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142918.2A CN109704127B (en) | 2019-02-26 | 2019-02-26 | Folding device is cut to non-woven fabrics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910142918.2A CN109704127B (en) | 2019-02-26 | 2019-02-26 | Folding device is cut to non-woven fabrics |
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| CN109704127A CN109704127A (en) | 2019-05-03 |
| CN109704127B true CN109704127B (en) | 2024-07-09 |
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| CN201910142918.2A Active CN109704127B (en) | 2019-02-26 | 2019-02-26 | Folding device is cut to non-woven fabrics |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111847028B (en) * | 2020-06-23 | 2022-05-10 | 天津中鼎汽车零部件有限公司 | Multi-process integrated processing system for I-shaped cloth block made of adhesive tape |
| CN114455380B (en) * | 2022-02-17 | 2024-03-26 | 杭州临安华晟日用品有限公司 | Folding and slitting device for non-woven fabrics and paper products |
| CN114986609B (en) * | 2022-06-02 | 2023-03-24 | 广州市海诺生物工程有限公司 | One-piece and packaging integrated device of functional water-saving accompanying washing sheet for washing jeans wear |
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| ITMI20060961A1 (en) * | 2006-05-16 | 2007-11-17 | Omet Srl | IMPROVED DEVICE FOR FOLDING FLEXIBLE MATERIAL |
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| CH483921A (en) * | 1968-04-17 | 1970-01-15 | Bay Otto | Machine for folding foil material in zigzag breaks |
| CN107953396A (en) * | 2016-10-17 | 2018-04-24 | 郑州智联机械设备有限公司 | One kind rolls point contact and scrapes cut type disconnecting device |
| CN108285060A (en) * | 2018-03-19 | 2018-07-17 | 佛山市宝索机械制造有限公司 | The adjustable folding machine of production specification and method for folding |
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