CN112959742B - One-step forming continuous processing device and method for square fiber sub-filter bags - Google Patents
One-step forming continuous processing device and method for square fiber sub-filter bags Download PDFInfo
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- CN112959742B CN112959742B CN202110142301.8A CN202110142301A CN112959742B CN 112959742 B CN112959742 B CN 112959742B CN 202110142301 A CN202110142301 A CN 202110142301A CN 112959742 B CN112959742 B CN 112959742B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/10—Feeding or positioning webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/006—Controlling; Regulating; Measuring; Safety measures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/16—Cutting webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
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Abstract
A continuous processing device and a method for one-step molding of square fiber filter bags comprise a belt placing deviation rectifying mechanism and a welding cutting mechanism; the belt releasing deviation rectifying mechanism comprises a support, an upper tensioning shaft and a lower tensioning shaft are arranged at the front end of the support, an upper group of deviation rectifying mechanisms and a lower group of deviation rectifying mechanisms are fixed at the rear end of the support, and each group of deviation rectifying mechanisms comprises an integrated deviation rectifying guide frame and a deviation rectifying sensor; the welding and cutting mechanism comprises a supporting platform, and an upper cutting roller, a lower cutting roller, a welding roller, a guide roller and a cutting roller are rotatably arranged on the supporting platform; the lower ends of the upper cutting roller, the lower cutting roller, the guide roller and the cutting roller are provided with conveying rollers, and an ultrasonic system welding kit is arranged below the welding rollers; the upper cutting roller, the lower cutting roller, the welding roller, the guide roller and the cutting roller are driven by a gear transmission mechanism, a synchronous belt transmission mechanism and a servo motor to perform synchronous transmission. The one-step forming continuous processing device and method for the square fiber sub-filter bag, provided by the invention, not only improve the efficiency, but also improve the precision.
Description
Technical Field
The invention relates to a fiber sub-filter bag, in particular to a one-step forming continuous processing device and a one-step forming continuous processing method for a square fiber sub-filter bag.
Background
The fiber filter bag (length, width =60mm, 50mm) produced by the company is mainly used on a detection instrument in the feed industry and used for a detection packaging bag for analyzing the content of cellulose fiber. In order to facilitate the loading of detection materials, the upper end of the existing fiber filter bag is opened, and in order to facilitate the opening, one end of the existing fiber filter bag is higher and the other end is lower, and the height difference is about 1.5mm-2.0 mm. When the existing fiber separating filter bag is processed, the fiber is firstly cut into a certain width through equipment, then the height difference of two ends after being folded is manually folded to be larger than 5mm, then the fiber is placed in the equipment to be sealed at the left side and the right side, and finally the height difference of an opening end is recovered to be about 1.5mm after the longer side edge of the end is cut. There are two problems with this approach: 1) Continuity cannot be achieved, and efficiency is low; 2) The initial height difference is different when the folding is carried out manually, and the height difference of the later opening is different, so that the produced products are different; 3) And a plurality of people and equipment work together, which causes low efficiency.
Although the patent "servo roll super and tracking type transverse ultrasonic sealing non-woven fabric dust bag forming machine" with the application number of "201420155682.9" is also a non-woven fabric bag processing, the non-woven fabric bag forming machine is directly punched and edge-sealed, and is different in structure, process and equipment structure from a fiber filter bag to be processed in the application.
Disclosure of Invention
The invention aims to solve the technical problem of providing a one-step forming continuous processing device and a one-step forming continuous processing method for square fiber filter bags, which can realize mechanical continuous production, improve the efficiency and the precision and ensure the consistency. In addition, the device realizes alone the last product of rolling can, practices thrift the cost.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a one-step forming continuous processing device for square fiber filter bags comprises a belt placing deviation rectifying mechanism and a welding and cutting mechanism;
the belt-releasing deviation-rectifying mechanism comprises a support, an upper tensioning shaft and a lower tensioning shaft are arranged at the front end of the support, an upper group of deviation-rectifying mechanisms and a lower group of deviation-rectifying mechanisms are fixed at the rear end of the support, and each group of deviation-rectifying mechanisms comprises an integrated deviation-rectifying guide frame and a deviation-rectifying sensor;
the welding and cutting mechanism comprises a supporting platform, wherein an upper cutting roller, a lower cutting roller, a welding roller, a guide roller and a cutting roller are rotatably arranged on the supporting platform;
conveying rollers are arranged at the lower ends of the upper cutting roller, the lower cutting roller, the guide roller and the cutting roller, and a first gear is arranged on each conveying roller;
an ultrasonic system welding external member and a second gear are arranged below the welding roller;
and the upper cutting roller, the lower cutting roller, the welding roller, the guide roller and the cutting roller are provided with third gears, the third gears are meshed with the first gears and the second gears, and the first gears and the second gears are driven to perform synchronous transmission through a synchronous belt transmission mechanism and a servo motor on the outer side of the supporting platform.
The left and right sides of the upper cutting roll and the lower cutting roll are respectively fixed with a cutting knife, and the width difference formed by the width between the two cutting knives of the upper cutting roll and the width between the two cutting knives of the lower cutting roll is the same as or twice as the height difference of the two sides of the opening end of the fiber filter bag.
The welding roller is fixed with an ultrasonic edge sealing die, the ultrasonic edge sealing die comprises a middle annular part, a plurality of strip-shaped parts are uniformly arranged on one side or the left side and the right side of the annular part in the circumferential direction, and the strip-shaped parts are just opposite to or far away from the welding sleeve of the ultrasonic system.
And cutting pieces corresponding to the ultrasonic edge sealing die are distributed on the cutting roller in the circumferential direction.
The synchronous belt conveying mechanism comprises double synchronous belt wheels and a single synchronous belt wheel, the double synchronous belt wheels and the single synchronous belt wheel are coaxially connected with the first gear or the second gear, a driving synchronous belt wheel is installed below the supporting platform, and a plurality of synchronous belts are sequentially wound on the double synchronous belt wheels, the single synchronous belt wheel and the driving synchronous belt wheel in a front-back mode to achieve synchronous action of each conveying roller.
The offcut spool is installed to the supporting platform below, and offcut spool one side is connected with driven synchronous pulley, and driven synchronous pulley and one of them a set of double synchronous pulley sharing hold-in range.
Go up tensioning axle, tensioning axle down all adopts the reducing reel, is equipped with the scale on the reducing reel.
Hard rubber sleeves are sleeved on the outer walls of the guide roller, the conveying roller and the cutting roller.
A one-step forming continuous processing method for square fiber filter bags comprises the following steps:
step 1), winding and coiling the non-woven fabric on an upper tensioning shaft and a lower tensioning shaft respectively, and tensioning and fixing the non-woven fabric at a specified position; passing the upper non-woven fabric through a deviation rectifying mechanism at the upper end and between the upper cutting roller and the conveying roller; passing the lower non-woven fabric through a deviation rectifying mechanism at the lower end and between the lower cutting roller and the conveying roller; then, combining and attaching the upper non-woven fabric and the lower non-woven fabric, and enabling the combined non-woven fabric and the lower non-woven fabric to pass through a space between the first group of guide rollers and the first group of conveying rollers, a space between the welding rollers and the ultrasonic system welding suite; the second group of guide rollers and the conveying rollers extend out after passing through the space between the cutting roller and the conveying rollers;
step 2), starting a servo motor and an ultrasonic system welding kit, and driving each conveying roller, the first gear and the second gear to synchronously rotate by a synchronous belt conveying mechanism so as to drive an upper cutting roller, a lower cutting roller, a welding roller, two groups of guide rollers and a cutting roller to synchronously rotate; in the rotating process, the upper deviation rectifying sensor and the lower deviation rectifying sensor detect the deviation of the upper non-woven fabric and the lower non-woven fabric in the width direction in real time; the controller processes and calculates the offset signals of the upper non-woven fabric and the lower non-woven fabric and outputs the signals to the motor in the integrated deviation rectifying and guiding frame at different rotating speeds in the positive and negative directions; then the motor drives the guide roller frame to rotate and swing left and right through the ball screw, so that the correction and the guide are realized;
step 3), after the welding and cutting mechanism works normally, the upper non-woven fabric and the lower non-woven fabric are firstly subjected to primary cutting, and after cutting, the difference between the width of the upper non-woven fabric and the width of the lower non-woven fabric is twice of the height difference of two sides of the opening end of the fiber filter bag; winding the cut edge material on an edge material reel, and enabling the edge material reel and the conveying roller to synchronously act;
step 4), the cut upper non-woven fabric and the cut lower non-woven fabric are conveyed by the first group of guide rollers and the conveying rollers and then are overlapped, the left end and the right end of the lower non-woven fabric are the same as the parts of the upper non-woven fabric, and the excess length is the same as the height difference of the two sides of the opening end of the fiber filter bag;
step 5), continuously conveying the superposed upper non-woven fabric and lower non-woven fabric, and realizing interval heat-seal welding of the upper non-woven fabric and the lower non-woven fabric through the combined action of the welding roller and the ultrasonic system welding external member when the upper non-woven fabric and the lower non-woven fabric pass through the welding roller and the ultrasonic system welding external member; and the upper non-woven fabric and the lower non-woven fabric which are overlapped complete middle linear heat-seal welding and transverse multiple interval heat-seal welding every time the welding roller rotates for one circle;
and 6) when the non-woven fabric subjected to heat sealing passes through the cutting roller and the conveying roller, cutting and separating the heat sealing positions, and then continuously obtaining the fiber sub-filter bag with a certain height difference at the port.
The invention relates to a one-step forming continuous processing device and a one-step forming continuous processing method for square fiber filter bags, which have the following technical effects:
1) The upper non-woven fabric and the lower non-woven fabric are respectively cut by adopting the upper cutting roller and the lower cutting roller, so that the left side and the right side of the lower non-woven fabric are wider than the upper non-woven fabric by a fixed length distance, and the fixed length distance is the same as the height difference of two sides of the opening end of the fiber sub-filter bag; after the continuous heat-sealing welding and cutting, the fiber sub-filter bag shown in fig. 10 can be manufactured, and the height difference of the upper end opening of the fiber sub-filter bag is always kept consistent. Therefore, the whole process is mechanical operation, and the efficiency is very high. Only one person is needed to package the whole process at last, and cost is greatly saved.
2) The ultrasonic edge sealing die of the annular part and the strip-shaped part of the welding roller belt is matched with the corresponding cutting roller, so that the eight fibers can be thermally sealed and cut out of the filter bag by the welding roller and the cutting roller every rotating a circle, and the working efficiency is improved.
3) Carry out synchronous conveying and by same platform motor drive through passing through hold-in range transport mechanism, gear transport mechanism with all roller, guarantee like this that cutting, seal, tailor and carry out the in-process that conveys simultaneously and keep the uniformity to need not to set up extra supervisory equipment.
4) Through adopting deviation correcting device, can be so that whole process is accurate to counterpointing, the later stage need not to cut in addition, saves process and material.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of a belt-feeding deviation-rectifying mechanism according to the present invention.
Fig. 3 is a schematic structural diagram of the welding and cutting mechanism of the present invention.
Fig. 4 is a schematic structural diagram of the welding and cutting mechanism of the present invention.
Fig. 5 is a front sectional view of the lower cutting roll in the present invention.
FIG. 6 is a schematic view of the structure of the welding roll of the present invention.
Fig. 7 is a schematic view of the structure of the cutting roll of the present invention.
Fig. 8 is a schematic view of the working state of the present invention.
FIG. 9 is a schematic view of the upper and lower nonwoven fabrics of the present invention after heat sealing.
FIG. 10 is a schematic structural view of a fiber filter bag according to the present invention.
Fig. 11 is a schematic distribution diagram (first type) of the cutting knives of the upper and lower cutting rolls of the present invention.
Fig. 12 is a schematic view showing the distribution of the cutting knives on the upper and lower cutting rolls according to the present invention (second type).
In the figure: the device comprises a belt placing deviation correcting mechanism 1, a welding and cutting mechanism 2, a support 1.1, an upper tensioning shaft 1.2, a lower tensioning shaft 1.3, an integrated deviation correcting guide frame 1.4, a deviation correcting sensor 1.5 and a control box 1.6; an upper cutting roll 2.1, a lower cutting roll 2.2, a welding roll 2.3, a guide roll 2.4, a cutting roll 2.5, a conveying roll 2.6, a first gear 2.7, an ultrasonic system welding kit 2.8, a second gear 2.9, a third gear 2.10, a synchronous belt conveying mechanism 2.11, a double synchronous pulley 2.11.1, a single synchronous pulley 2.11.2, a driving synchronous pulley 2.11.3, a synchronous belt 2.11.4, a servo motor 2.12 supporting platform 2.13, a cutting knife 2.14, an ultrasonic edge sealing die 2.15, an annular part 2.15.1, a strip part 2.15.2, a cutting piece 2.16, an edge material reel 2.17 and a driven synchronous pulley 2.18; an upper non-woven fabric 3, a lower non-woven fabric 4, a hot sealing edge 5 and a cutting line 6.
Detailed Description
As shown in figure 1, the one-step forming continuous processing device for the square fiber filter bags comprises a belt placing deviation correcting mechanism 1 and a welding and cutting mechanism 2.
As shown in fig. 2, put area mechanism 1 of rectifying includes support 1.1, and two sets of bearing frames about support 1.1 front end is installed, and the rotatable tensioning axle 1.2 of installing on two sets of bearing frames, tensioning axle 1.3 down, go up tensioning axle 1.2, tensioning axle 1.3 down and all adopt the reducing reel, make things convenient for the non-woven fabrics to wind tearing open, adorning of dish like this. But be equipped with the scale on the reducing reel, conveniently set up the non-woven fabrics in the set position around the dish like this, make the last non-woven fabrics 3 that stretches out, the relative position of lower non-woven fabrics 4 is fixed, reduces and adjusts the degree of difficulty.
An upper group of deviation rectifying mechanisms and a lower group of deviation rectifying mechanisms are fixed at the rear end of the support 1.1, the deviation rectifying mechanisms are manufactured by Duke electronic technology Limited and mainly comprise an integrated deviation rectifying guide frame 1.4 and a deviation rectifying sensor 1.5, and the deviation of the upper non-woven fabric 3 or the lower non-woven fabric 4 in the width direction is detected in real time by the deviation rectifying sensor 1.5 in the advancing process of the upper non-woven fabric 3 or the lower non-woven fabric 4; the controller processes and calculates the offset signals of the upper non-woven fabric 3 or the lower non-woven fabric 4 and outputs the signals to the motor in the integrated deviation rectifying and guiding frame 1.4 at different rotating speeds in the positive and negative directions; and the motor drives the guide frame to rotate and swing left and right through the ball screw, so that deviation rectification and guide are realized.
As shown in fig. 3 to 4, the welding and cutting mechanism 2 includes a support platform 2.13, and the support platform 2.13 is arranged left and right. An upper cutting roller 2.1, a lower cutting roller 2.2, a welding roller 2.3, a guide roller 2.4 and a cutting roller 2.5 are arranged between the two supporting platforms 2.13.
The upper cutting roller 2.1, the lower cutting roller 2.2, the welding roller 2.3, the guide roller 2.4 and the cutting roller 2.5 are rotatably arranged on a bearing seat through bearings from left to right, and the left bearing seat and the right bearing seat are slidably arranged in a sliding groove of the supporting platform 2.13 and are adjusted up and down through an adjusting screw rod.
The lower ends of the upper cutting roller 2.1, the lower cutting roller 2.2, the guide roller 2.4 and the cutting roller 2.5 are respectively provided with a conveying roller 2.6, each conveying roller 2.6 is provided with a first gear 2.7, and the first gear 2.7 is meshed with the upper cutting roller 2.1, the lower cutting roller 2.2, the guide roller 2.4 and a third gear 2.10 on the cutting roller 2.5.
An ultrasonic system welding external member 2.8 and a second gear 2.9 are arranged below the welding roller 2.3, wherein the ultrasonic system welding external member 2.8 is opposite to the welding roller 2.3, and the second gear 2.9 is meshed with a third gear 2.10 on the welding roller 2.3.
The coaxial short shafts of the first gear 2.7 and the second gear 2.9 are arranged at the end of the supporting platform 2.13 through a bearing, and one end of the short shaft extending out of the supporting platform 2.13 drives synchronous transmission through a synchronous belt transmission mechanism 2.11 and a servo motor 2.12.
As shown in fig. 3-4, the synchronous belt transmission mechanism 2.11 includes a single synchronous pulley 2.11.2 coaxially connected to the upper cutting roller 2.1 and the conveying roller 2.6 at the lower end of the cutting roller 2.5, a double synchronous pulley 2.11.1 coaxially connected to the lower cutting roller 2.2, the welding roller 2.3 and the conveying roller 2.6 at the lower end of the guide roller 2.4, and a driving synchronous pulley 2.11.3 installed below the supporting platform 2.13, wherein the driving synchronous pulley 2.11.3 is coaxially connected to the servo motor 2.12.
A plurality of synchronous belts 2.11.4 are sequentially wound on the double synchronous belt wheel 2.11.1, the single synchronous belt wheel 2.11.2 and the driving synchronous belt wheel 2.11.3 in sequence to realize the synchronous action of each conveying roller 2.6. And because the first gear 2.7, the second gear 2.9 and the third gear 2.10 are the same in size and are transmitted by the gear transmission mechanism, the upper cutting roller 2.1, the lower cutting roller 2.2, the welding roller 2.3, the guide roller 2.4 and the cutting roller 2.5 at the upper end are synchronously transmitted. The synchronous action of all roll shafts is realized through one servo motor 2.12, the continuous action and the accurate position are ensured, the welding and cutting are accurate, no wrinkle is generated, and no extra detection equipment is needed.
As shown in fig. 5, the cutting blades 2.14 are fixed on the left and right of the upper cutting roll 2.1 and the lower cutting roll 2.2. Two conditions are distributed on the positions of the cutting knives 2.14 on the upper cutting roller 2.1 and the lower cutting roller 2.2.
As shown in fig. 11, the first is that the width between the two cutters of the upper cutting roll 2.1 is smaller than the width between the two cutters of the lower cutting roll 2.2, and the left and right cutters of the lower cutting roll 2.2 are both shifted outwards by a fixed length distance L relative to the two cutters of the upper cutting roll 2.1, and the fixed length distance L is the same as the height difference of the two sides of the opening end of the fiber separating filter bag.
As shown in fig. 12, the second is that the width between the two cutters of the upper cutting roll 2.1 is smaller than the width between the two cutters of the lower cutting roll 2.2, and one of the cutters of the lower cutting roll 2.2 is aligned with one of the cutters of the upper cutting roll 2.1 in the longitudinal direction, and the other cutter 2.14 of the lower cutting roll 2.2 is outwardly offset in the longitudinal direction by a fixed length distance L, which is the same as the height difference between the two sides of the opening end of the fiber filter bag, relative to the cutter 2.14 of the upper cutting roll 2.1 located at the same end.
In order to improve the production efficiency, the embodiment of the application is described in the first, and the subsequent welding roller 2.3 and the cutting roller 2.5 are matched with the embodiment.
As shown in fig. 6, an ultrasonic edge sealing die 2.15 is fixed on the welding roller 2.3, the ultrasonic edge sealing die 2.15 includes a middle annular portion 2.15.1, four strip portions 2.15.2 are uniformly arranged on the left and right sides of the annular portion 2.15.1 in the circumferential direction, and the strip portions 2.15.2 are opposite to or far away from the ultrasonic system welding external member 2.8. The ultrasonic system welding kit 2.8 is prior art and mainly comprises an ultrasonic transducer, an amplitude transformer and the like. When the upper and lower non-woven fabrics pass through, the ultrasonic edge sealing die 2.15 and the ultrasonic system welding external member 2.8 act together to carry out heat-seal welding on the upper and lower non-woven fabrics, the welded shape is as shown in figure 9, the heat-seal edges 5 are in a straight line in the middle in the longitudinal direction, and the heat-seal edges 5 are arranged at intervals in the transverse direction.
As shown in fig. 7, a hard rubber sleeve is sleeved on the cutting roller 2.5, a plurality of grooves are formed in the hard rubber sleeve, and cutting pieces 2.16 corresponding to the ultrasonic edge banding die 2.15 are distributed in the grooves. When the heat-sealed and welded nonwoven fabric passes through the cutting roller 2.5, the cutting line 6 of the cutting roller 2.5 cuts the heat-sealed edge 5 of the nonwoven fabric in the transverse and longitudinal directions, as shown in fig. 9. Through the reasonable design of the extension thickness of the cut piece 2.16, the cut fiber filter bags can not be completely separated, so that the manual folding and packaging are facilitated.
Hard rubber sleeves are also distributed on the guide roller 2.4 and the conveying roller 2.6, and gaps between the guide roller 2.4 and the conveying roller 2.6 can be conveniently adjusted by arranging the hard rubber sleeves, so that the non-woven fabric can be conveniently clamped and conveyed.
As shown in fig. 3, an edge material reel 2.17 is installed below the supporting platform 2.13, one side of the edge material reel 2.17 is connected with a driven synchronous pulley 2.18, and the driven synchronous pulley 2.18 and one set of double synchronous pulleys 2.11.1 share one synchronous belt 2.11.4. Can collect the rim charge from both sides through rim charge spool 2.17, avoid influencing the normal production that the filter bag was divided to the fibre, need not artificial collection simultaneously.
A one-step forming continuous processing method for square fiber filter bags comprises the following steps:
step 1), as shown in fig. 8, placing the non-woven fabric winding disc on an upper tensioning shaft 1.2 and a lower tensioning shaft 1.3 respectively, tensioning and fixing the non-woven fabric winding disc at a specified position; the upper non-woven fabric 3 passes through the upper end deviation rectifying mechanism, the upper cutting roller 2.1 and the conveying roller 2.6; the lower non-woven fabric 4 passes through the deviation rectifying mechanism at the lower end, the lower cutting roller 2.2 and the conveying roller 2.6; then, the upper non-woven fabric 3 and the lower non-woven fabric 4 are combined and attached and pass through a first group of guide rollers 2.4 and a first group of conveying rollers 2.6, a welding roller 2.3 and an ultrasonic system welding suite 2.8; the second group of guide rollers 2.4 and the conveying rollers 2.6 finally extend out after passing through the cutting rollers 2.5 and the conveying rollers 2.6.
Step 2), a servo motor 2.12 and an ultrasonic system welding kit 2.8 are started, a synchronous belt conveying mechanism 2.11 drives each conveying roller 2.6, a first gear 2.7 and a second gear 2.9 to synchronously rotate, and then drives an upper cutting roller 2.1, a lower cutting roller 2.2, a welding roller 2.3, two groups of guide rollers 2.4 and a cutting roller 2.5 to synchronously rotate, so that the non-woven fabric is synchronously conveyed in the whole length direction; in the rotating process, the upper and lower deviation rectifying sensors 1.5 detect the deviation of the upper non-woven fabric 3 and the lower non-woven fabric 4 in the width direction in real time; the controller processes and calculates the offset signals of the upper non-woven fabric 3 and the lower non-woven fabric 4 and outputs the signals to the motor in the integrated deviation rectifying and guiding frame 1.4 at different rotating speeds in the positive and negative directions; and the motor drives the guide roller frame to rotate and swing left and right through the ball screw, so that the correction and the guide are realized.
Step 3), after the welding and cutting mechanism works normally, the upper non-woven fabric 3 and the lower non-woven fabric 4 are firstly subjected to primary cutting, and after the cutting, the difference between the width of the upper non-woven fabric 3 and the width of the lower non-woven fabric 4 is twice of the height difference of the two sides of the opening end of the fiber sub-filter bag; the cut edge material is wound on an edge material reel 2.17, and the edge material reel 2.17 and the conveying roller 2.6 synchronously act.
And 4), overlapping the cut upper non-woven fabric 3 and the cut lower non-woven fabric 4 after being conveyed by the first group of guide rollers 2.4 and the conveying rollers 2.6, wherein the parts of the left and right ends of the lower non-woven fabric 4 exceeding the upper non-woven fabric 3 are the same, and the exceeding length is the same as the height difference of two sides of the opening end of the fiber filter bag.
Step 5), continuously conveying the superposed upper non-woven fabric 3 and lower non-woven fabric 4, and realizing interval heat-seal welding of the upper non-woven fabric 3 and the lower non-woven fabric 4 under the combined action of the welding roller 2.3 and the ultrasonic system welding external member 2.8 when the superposed upper non-woven fabric 3 and lower non-woven fabric 4 pass through the welding roller 2.3 and the ultrasonic system welding external member 2.8; and the upper non-woven fabric 3 and the lower non-woven fabric 4 which are overlapped complete middle linear heat-seal welding and transverse multiple interval heat-seal welding every time the welding roller 2.3 rotates for one circle, and the state shown in figure 9 is formed.
Step 6), when the non-woven fabrics after heat sealing passes through cutting roller 2.5, transfer roller 2.6, the heat-seal position is all cut, and cutting line 6 is as shown in fig. 9, through carrying out the rational design to the piece that cuts cutting roller 2.5 for the non-woven fabrics area is not completely cut the separation, comes out back from cutting roller 2.5, transfer roller 2.6, tears through artifical controlling, forms about two fibre and divides the filter bag, two fibre divide after the filter bag folding can pack. The complete cutting is avoided, and the cutting is too messy after falling.
Claims (7)
1. The utility model provides a square fibre divides filter bag one shot forming continuous processing device which characterized in that: comprises a belt placing deviation rectifying mechanism (1) and a welding and cutting mechanism (2);
the belt releasing deviation rectifying mechanism (1) comprises a support (1.1), an upper tensioning shaft (1.2) and a lower tensioning shaft (1.3) are arranged at the front end of the support (1.1), an upper group of deviation rectifying mechanisms and a lower group of deviation rectifying mechanisms are fixed at the rear end of the support (1.1), and each group of deviation rectifying mechanisms comprises an integrated deviation rectifying guide frame (1.4) and a deviation rectifying sensor (1.5);
the welding and cutting mechanism (2) comprises a supporting platform (2.13), wherein an upper cutting roller (2.1), a lower cutting roller (2.2), a welding roller (2.3), a guide roller (2.4) and a cutting roller (2.5) are rotatably arranged on the supporting platform (2.13);
conveying rollers (2.6) are arranged at the lower ends of the upper cutting roller (2.1), the lower cutting roller (2.2), the guide roller (2.4) and the cutting roller (2.5), and a first gear (2.7) is arranged on each conveying roller (2.6);
an ultrasonic system welding external member (2.8) and a second gear (2.9) are arranged below the welding roller (2.3);
third gears (2.10) are arranged on the upper cutting roller (2.1), the lower cutting roller (2.2), the welding roller (2.3), the guide roller (2.4) and the cutting roller (2.5), the third gears (2.10) are meshed with the first gears (2.7) and the second gears (2.9), and the first gears (2.7) and the second gears (2.9) are driven to be in synchronous transmission through a synchronous belt transmission mechanism (2.11) and a servo motor (2.12) on the outer side of a supporting platform (2.13);
the left and right sides of the upper cutting roll (2.1) and the lower cutting roll (2.2) are respectively fixed with a cutting knife (2.14), and the width difference formed by the width between the two cutting knives of the upper cutting roll (2.1) and the width between the two cutting knives of the lower cutting roll (2.2) is the same as or twice as the height difference of the two sides of the opening end of the fiber filter bag;
go up tensioning axle (1.2), tensioning axle (1.3) down all adopt the reducing reel, but be equipped with the scale on the reducing reel.
2. The one-step forming continuous processing device of the square fiber filter bags according to claim 1, which is characterized in that: welding roller (2.3) are last to be fixed with ultrasonic banding mould (2.15), and ultrasonic banding mould (2.15) have evenly arranged a plurality of bar portions (2.15.2) including middle annular portion (2.15.1), annular portion (2.15.1) unilateral or left and right sides circumference, and bar portion (2.15.2) just are just right or keep away from with ultrasonic system welding external member (2.8).
3. The one-step forming continuous processing device of the square fiber filter bag according to claim 2, wherein: cutting pieces (2.16) corresponding to the ultrasonic edge sealing die (2.15) are circumferentially distributed on the cutting roller (2.5).
4. The one-step forming continuous processing device of the square fiber filter bags according to claim 1, which is characterized in that: hold-in range transport mechanism (2.11) are including double synchro pulley (2.11.1), single synchro pulley (2.11.2), double synchro pulley (2.11.1), single synchro pulley (2.11.2) and first gear (2.7) or second gear (2.9) coaxial coupling, driving synchro pulley (2.11.3) are installed to supporting platform (2.13) below, around double synchro pulley (2.11.1) in proper order a plurality of hold-in ranges (2.11.4), single synchro pulley (2.11.2), realize each transfer roller (2.6) synchronization motion on driving synchro pulley (2.11.3).
5. The one-step forming continuous processing device of the square fiber filter bag according to claim 4, wherein: rim charge spool (2.17) are installed to supporting platform (2.13) below, and rim charge spool (2.17) one side is connected with driven synchronous pulley (2.18), and driven synchronous pulley (2.18) and one set of two synchronous pulley (2.11.1) sharing hold-in range (2.11.4) wherein.
6. The one-step forming continuous processing device of the square fiber filter bags according to claim 1, which is characterized in that: hard rubber sleeves are sleeved on the outer walls of the guide roller (2.4), the conveying roller (2.6) and the cutting roller (2.5).
7. The method for processing the filter bags made of fiber by the one-step forming continuous processing device of the square filter bags made of fiber as claimed in any one of claims 1 to 6 comprises the following steps:
step 1), placing the non-woven fabric winding disc on an upper tensioning shaft (1.2) and a lower tensioning shaft (1.3) respectively, and tensioning and fixing the non-woven fabric winding disc at a specified position; the upper non-woven fabric (3) passes through the upper end between the deviation rectifying mechanism and the upper cutting roller (2.1) and the conveying roller (2.6); the lower non-woven fabric (4) passes through the deviation rectifying mechanism at the lower end and between the lower cutting roller (2.2) and the conveying roller (2.6); then, the upper non-woven fabric (3) and the lower non-woven fabric (4) are combined and attached and pass through the space between the first group of guide rollers (2.4) and the first group of conveying rollers (2.6), the space between the welding rollers (2.3) and the ultrasonic system welding suite (2.8); the second group of guide rollers (2.4) and the conveying rollers (2.6) extend out after passing through the space between the cutting roller (2.5) and the conveying rollers (2.6);
step 2), starting a servo motor (2.12) and an ultrasonic system welding kit (2.8), and driving each conveying roller (2.6), a first gear (2.7) and a second gear (2.9) to synchronously rotate by a synchronous belt conveying mechanism (2.11) so as to drive an upper cutting roller (2.1), a lower cutting roller (2.2), a welding roller (2.3), two groups of guide rollers (2.4) and a cutting roller (2.5) to synchronously rotate; in the rotating process, the upper and lower deviation-rectifying sensors (1.5) detect the deviation of the upper non-woven fabric (3) and the lower non-woven fabric (4) in the width direction in real time; the controller processes and calculates the deviation signals of the upper non-woven fabric (3) and the lower non-woven fabric (4) and outputs the deviation signals to the motor in the integrated deviation rectifying and guiding frame (1.4) at different rotating speeds in the positive and negative directions; then the motor drives the guide roller frame to rotate and swing left and right through the ball screw, so that the correction and the guide are realized;
step 3), after the welding and cutting mechanism works normally, the upper non-woven fabric (3) and the lower non-woven fabric (4) are firstly subjected to primary cutting, and after cutting, the difference between the width of the upper non-woven fabric (3) and the width of the lower non-woven fabric (4) is twice of the height difference of two sides of the opening end of the fiber filter bag; the cut rim charge is wound on a rim charge reel (2.17), and the rim charge reel (2.17) and the conveying roller (2.6) synchronously act;
step 4), the cut upper non-woven fabric (3) and the cut lower non-woven fabric (4) are conveyed by the first group of guide rollers (2.4) and the conveying rollers (2.6) and then are overlapped, the parts of the left and right ends of the lower non-woven fabric (4) exceeding the upper non-woven fabric (3) are the same, and the exceeding length is the same as the height difference of the two sides of the opening end of the fiber sub-filter bag;
step 5), continuously conveying the superposed upper non-woven fabric (3) and lower non-woven fabric (4), and realizing interval heat-seal welding of the upper non-woven fabric (3) and the lower non-woven fabric (4) through the combined action of the welding roller (2.3) and the ultrasonic system welding external member (2.8) when the superposed upper non-woven fabric (3) and lower non-woven fabric (4) pass through the welding roller (2.3) and the ultrasonic system welding external member (2.8); and when the welding roller (2.3) rotates for one circle, the overlapped upper non-woven fabric (3) and the lower non-woven fabric (4) finish middle linear heat-seal welding and transverse multiple interval heat-seal welding;
and 6), when the non-woven fabric subjected to heat sealing passes through the cutting roller (2.5) and the conveying roller (2.6), cutting and separating the heat sealing positions, and then continuously obtaining the fiber sub-filter bag with a certain height difference at the port.
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