CN111761877A - Automatic sealing and cutting device for paper-plastic bag edge sewing - Google Patents
Automatic sealing and cutting device for paper-plastic bag edge sewing Download PDFInfo
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- CN111761877A CN111761877A CN202010585117.6A CN202010585117A CN111761877A CN 111761877 A CN111761877 A CN 111761877A CN 202010585117 A CN202010585117 A CN 202010585117A CN 111761877 A CN111761877 A CN 111761877A
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- paper
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- plastic bag
- cutting device
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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
- 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
- B31B70/20—Cutting sheets or blanks
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Abstract
The invention relates to the technical field of equipment in the plastic weaving industry, in particular to an automatic edge sealing and cutting device for a paper-plastic bag. The automatic cutting machine comprises a frame, wherein a conveying device is arranged on the frame, a sealing device, a bottom sealing device and an automatic cutting device are sequentially arranged on the frame along the same side of the conveying direction of the conveying device, the automatic cutting device comprises a cutting knife which is rotatably arranged on the frame, a rotary cutting surface of the cutting knife is perpendicular to the conveying direction of the conveying device, and the automatic cutting device further comprises a control mechanism for controlling the rotation of the cutting knife. The invention has the effects of convenient shearing and high working efficiency.
Description
Technical Field
The invention relates to the technical field of paper-plastic bag production equipment, in particular to an automatic sealing and cutting device for a paper-plastic bag edge sewing.
Background
The paper-plastic bag is also called three-in-one composite paper bag, is a small bulk container, mainly uses manpower or forklift to implement unitized transportation, is convenient for loading and transporting small bulk powder-particle materials, has the characteristics of high strength, good water resistance, beautiful appearance, convenient loading and unloading and the like, and is the most popular and practical common packaging material. They are mainly used for packaging powdery or granular solid materials and flexible articles such as fertilizers, synthetic materials, explosives, grains, salts, minerals and the like.
The paper-plastic bag is made up by using plastic and kraft paper through the processes of compounding, generally using polypropylene PP as base material to weave cloth, using refined composite special kraft paper as kraft paper, making them pass through the processes of hot-laminating and adhering them by using molten plastics, making bag, forming, sealing and sewing so as to obtain the invented three-in-one paper-plastic composite bag.
As shown in the attached figure 1, when the bottom of the paper-plastic bag is formed and sealed at present, the bottom sealing process comprises a sewing process and a covering process, wherein the sewing process is to sew and bind edges of the paper-plastic bag, the covering process is to wrap the bottom edges of the paper-plastic bag which is sealed at the bottom in the sewing process by a hot melt adhesive tape up and down under the action of an adhesive tape folder of an adhesive tape conveying device, then the hot melt adhesive tape is bonded with the bottom edges of the paper-plastic bag by heating and pressing of a heat sealing device, and the sewing thread is wrapped in the hot melt adhesive tape, so that the covering process.
The above prior art solutions have the following drawbacks: the hot melt adhesive tape is placed on an adhesive tape tray, the paper-plastic bags after bottom sealing in the sewing process can be continuously wrapped up and down, the bottoms of the paper-plastic bags are bonded, and hot melt adhesives among the paper-plastic bags after bonding are required to be cut off.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the automatic sealing and cutting device for the paper-plastic bag edge sewing, which has the effects of convenience in cutting and high working efficiency.
The above object of the present invention is achieved by the following technical solutions:
the automatic edge sealing and cutting device for the paper-plastic bag comprises a rack, wherein a conveying device is arranged on the rack, a sealing device, a bottom sealing device and an automatic cutting device are sequentially arranged on the rack along the same side of the conveying direction of the conveying device, the automatic cutting device comprises a cutting knife which is rotatably arranged on the rack, a rotary cutting surface of the cutting knife is perpendicular to the conveying direction of the conveying device, and the automatic cutting device further comprises a control mechanism which controls the cutting knife to rotate.
By adopting the technical scheme, the paper plastic bags move forwards uniformly along the conveying direction of the conveying device, the paper plastic bags enter the sealing device to seal the bottoms of the paper plastic bags, the paper plastic bags enter the bottom sealing device after sealing is finished, the bottom sealing device further encapsulates the bottoms of the paper plastic bags on the basis of sealing by adopting hot melt adhesive and is used for improving the sealing property of the paper plastic bags, the paper plastic bags enter the automatic cutting device after sealing is finished, a cutting knife of the automatic cutting device automatically cuts the hot melt adhesive between the bottoms of the adjacent paper plastic bags, manual shearing is avoided, and the workload of workers is reduced; in order to improve the cutting efficiency, the cutting knife can cut when rotating the cutting surface.
The present invention in a preferred example may be further configured to: the control mechanism comprises a driving assembly and a control unit, a knife rest is arranged on the rack, the middle part of the cutting knife is hinged to the knife rest, the driving assembly comprises a cylinder arranged below the knife rest, a connecting rod is fixedly connected to a driving shaft of the cylinder, the connecting rod is hinged to a section, away from the conveying device, of the cutting knife, the control unit comprises a controller and a photoelectric sensor, the photoelectric sensor is arranged on the knife rest, and the photoelectric sensor and the cylinder are respectively electrically connected with the controller.
Through adopting above-mentioned technical scheme, bag position is moulded to photoelectric sensor detection paper, when detecting, the bag passes through when moulding to paper blocks the light that the photoelectric sensor illuminator sent, and reflect the light part back, photoelectric sensor's receipts light ware just receives light signal, output a switching signal, photoelectric sensor's signal is received to the controller, the controller delays sending control signal after a few seconds, controller control cylinder work, the cylinder drives the connecting rod and reciprocates, the connecting rod drives the cutting knife and rises and falls at perpendicular conveyer direction of transfer, mould the hot melt adhesive between the bag to two papers and cut, it is convenient to cut.
The present invention in a preferred example may be further configured to: the automatic cutting device is characterized in that a pressing frame is arranged on the rack close to the automatic cutting device, at least two groups of pressing assemblies are arranged on the pressing frame, each pressing assembly comprises a pressing belt arranged on the pressing frame, the transmission direction of each pressing belt is consistent with the transmission direction of the conveying device, and a gap for paper supply to pass through of a plastic bag is formed between the lower belt surface of each pressing belt and the upper surface of the rack.
Through adopting above-mentioned technical scheme, the cutting knife is at perpendicular conveyer direction of transfer, and the bag direction is moulded to perpendicular paper promptly and is risen and fall and cut paper and mould the bag, at the in-process of cutting, for avoiding paper to mould the bag along with cutting knife rebound, the bag is moulded to paper in the compress tightly the area and compresses tightly, makes things convenient for the cutting knife to cut the hot melt adhesive.
The present invention in a preferred example may be further configured to: and the front end of the pressing frame is provided with a roller for guiding the paper-plastic bag between the pressing belt and the upper surface of the frame.
Through adopting above-mentioned technical scheme, set up the gyro wheel, in the paper of being convenient for moulded the bag and enter into the clearance between hold-down strip and the frame upper surface, the bag is moulded to paper of being convenient for, and the bag is moulded to paper compresses tightly, has effectively avoided the paper to mould the bag extrusion and has piled up at the hold-down strip front end.
The present invention in a preferred example may be further configured to: the automatic cutting device is characterized in that an adjusting frame is arranged at one end, close to the automatic cutting device, of the rack, the adjusting frame comprises adjusting rods symmetrically arranged on the rack along the conveying direction of the conveying belt and cross rods arranged on two adjusting rod supports, adjusting springs are arranged between the lower end portions of the adjusting rods and the rack, and the cross rods are fixedly connected with the front end of the pressing frame through bolts.
Through adopting above-mentioned technical scheme, compressing tightly the area and compressing tightly a fixed mounting on the alignment jig, the tip is provided with regulating spring under the alignment jig, and the bag thickness is moulded to the paper of encapsulating shaping because of needs is different, and the clearance between compressing tightly area and the frame upper surface is different, for guaranteeing that compressing tightly the area to mould the effect that compresses tightly of bag to paper, compressing tightly the area under regulating spring's effect, mould bag surface contact with paper all the time, make things convenient for the cutting knife to cut the hot melt adhesive.
The present invention in a preferred example may be further configured to: the sealing device comprises a pay-off machine arranged on the rack and a sewing machine arranged on the pay-off machine.
By adopting the technical scheme, the chemical fiber threads of the rolls are installed on the pay-off machine and connected with the machine head of the sewing machine, and the sewing machine performs preliminary thread sewing on the bottom of the paper-plastic bag, so that the later-stage bottom sealing of the paper-plastic bag is facilitated.
The present invention in a preferred example may be further configured to: the bottom sealing device comprises a rubber belt conveying mechanism and a heat sealing mechanism, wherein the rubber belt conveying mechanism comprises a rubber belt bracket and a rubber belt tray arranged on the rubber belt bracket.
By adopting the technical scheme, the coiled hot-melt adhesive tape is arranged on the adhesive tape tray, and the adhesive tape tray and the hot-melt adhesive tape are placed on the adhesive tape bracket, so that the hot-melt adhesive tape is continuously provided for the heat sealing mechanism, the heat sealing mechanism is convenient to seal the bottom of the paper-plastic bag, and the working efficiency is further improved.
The present invention in a preferred example may be further configured to: the rubber belt conveying mechanism further comprises a guide assembly, the guide assembly comprises an inverted L-shaped guide rod arranged on the rubber belt bracket, a first guide wheel and a second guide wheel which are arranged on the rack, and a flanging plate which is arranged on the rack and is provided with a V-shaped opening, and the V-shaped opening of the flanging plate faces the direction of the pressing frame.
By adopting the technical scheme, the hot melt adhesive firstly passes through the guide rod and enters the flanging plate through the guide wheel I and the guide wheel II, the flanging plate folds the hot melt adhesive tape into a V shape and then guides the hot melt adhesive tape into the heat sealing mechanism, the paper plastic bag is arranged in the V-shaped opening, and the hot melt adhesive tape is bonded at the bottom of the paper plastic bag through the heat sealing mechanism conveniently.
The present invention in a preferred example may be further configured to: the heat seal mechanism comprises a heating plate, and a guide plate for guiding the hot melt adhesive tape is arranged at the front end of the heating plate.
Through adopting above-mentioned technical scheme, the baffle is used for leading-in to the heat seal mechanism with the hot melt adhesive tape who rolls over into the V type, and the hot melt adhesive tape is heated to the hot plate, makes the hot melt adhesive on the hot melt adhesive tape be heated and dissolves, conveniently bonds in paper plastic bag bottom.
The present invention in a preferred example may be further configured to: and a flattening pressing wheel is arranged on the rack close to the discharge end of the heat sealing mechanism.
Through adopting above-mentioned technical scheme, adopt and level the pinch roller and further extrude the hot melt adhesive after bonding, make the hot melt adhesive more firm bond in the paper bag bottom of moulding, mould the bag bottom to paper and play certain level and smooth effect.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the paper plastic bag cutting machine is provided with a sealing device, a bottom sealing device and an automatic cutting device, wherein the sealing device, the bottom sealing device and the automatic cutting device are arranged on the same side of a machine frame, the sealing device seals the bottom of a paper plastic bag, the paper plastic bag after sealing enters the bottom sealing device, the bottom sealing device adopts hot melt adhesive to seal the sealing position, and a cutting knife automatically cuts the hot melt adhesive between the bottoms of the adjacent paper plastic bags, so that manual shearing is avoided, the workload of workers is reduced, and the shearing work efficiency is improved.
2. The paper plastic bag cutting device is provided with a control mechanism, the control mechanism comprises a driving assembly and a control unit, the driving assembly comprises an air cylinder and a connecting rod hinged with a cutting knife, the control unit comprises a photoelectric sensor and a controller, when the paper plastic bag passes through the control unit, light emitted by a light emitter of the photoelectric sensor is blocked and partially reflected back, a light receiver of the photoelectric sensor receives a light signal and outputs a switch signal, the controller receives the signal of the photoelectric sensor, the controller sends out a control signal after delaying for several seconds, the controller controls the air cylinder to work, the air cylinder drives the connecting rod to move up and down, the connecting rod drives the cutting knife to rise and fall in the conveying direction of the vertical conveying device, and the hot melt adhesive between the two paper plastic bags is.
3. The paper-plastic bag cutting device is provided with the pressing frame and the adjusting frame fixedly connected with the pressing frame, the pressing belt is arranged on the pressing frame, the adjusting spring is arranged at the lower end of the adjusting frame, the pressing belt is always in contact with the upper surface of the paper-plastic bag under the action of the adjusting spring no matter how the thickness of the paper-plastic bag is, the paper-plastic bag is pressed, a cutting knife can conveniently cut hot melt adhesive between the two paper-plastic bags, and the cutting effect is good.
Drawings
FIG. 1 is a schematic diagram of the background structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural diagram of the bottom sealing device of the present invention;
FIG. 4 is a schematic view of the construction of the hold-down frame of the present invention;
fig. 5 is an enlarged view of a portion a in fig. 1.
In the figure, 1, a frame; 2. a sealing device; 21. a paying-off machine; 22. a sewing machine; 3. a bottom sealing device; 31. a rubber belt conveying mechanism; 311. a tape holder; 312. a tape tray; 313. an L-shaped guide bar; 314. a first guide wheel; 315. a second guide wheel; 316. a hemming plate; 32. a heat seal mechanism; 321. heating plates; 322. a guide plate; 4. an automatic cutting device; 41. a tool holder; 42. a cutting knife; 43. a cylinder; 44. a photosensor; 5. A pressing frame; 6. a compression band; 7. an adjusting bracket; 71. adjusting a rod; 72. a cross bar; 73. adjusting the spring; 8. flattening the pinch roller; 9. and a roller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a bag hem automatic sealing cuts device is moulded to paper, refers to fig. 2, includes frame 1, installs conveyer in the frame 1, and conveyer includes the conveyer belt, installs closing device 2, back cover device 3 and automatic cutting device 4 in proper order along conveyer belt direction of transfer's homonymy in the frame 1. Sealing device 2 is including installing pay off machine 21 in frame 1, and two drawing drums are all used for placing the chemical fibre line of lapping along vertical installing on pay off machine 21, two drawing drums, installs sewing machine 22 in frame 1, and a coiling chemical fibre line is connected to sewing machine 22 aircraft nose, and another coiling chemical fibre line is the bottom line, and sewing machine 22 seals the bottom of bag is moulded to paper.
Referring to fig. 2 and 3, the bottom sealing device 3 includes a tape conveying mechanism 31 and a heat sealing mechanism 32, the tape conveying mechanism 31 includes a tape bracket 311, a tape tray 312 and a guide assembly, the tape tray 312 is mounted on the tape bracket 311, the guide assembly includes an inverted L-shaped guide rod 313 fixed on the tape bracket 311, a first guide wheel 314 and a second guide wheel 315 mounted on the frame 1, and a hemming plate 316 mounted on the frame 1 and having a V-shaped opening, the V-shaped opening of the hemming plate 316 faces the direction of the conveyor belt, the hot melt adhesive enters the hemming plate 316 through the guide rod, the first guide wheel 314 and the second guide wheel 315, and is folded into a V-shape in the hemming plate 316 to facilitate subsequent bonding; the heat seal mechanism 32 comprises a heat seal shell arranged on the rack 1, the upper part of the heat seal shell is provided with a tension spring, the lower end of the tension spring is connected with a heating plate 321, the feed end of the heating plate 321 is fixedly connected with a guide plate 322, the guide plate 322 is an arc-shaped plate with an upward opening, a press plate is fixed below the heating plate 321 in the heat seal shell, and balls are arranged on the press plate, so that the paper-plastic bag can move between the press plate and the heat plate, and the friction is reduced (not shown in the figure); a mounting frame is fixed on the rack 1 close to the discharge end of the thermal-bonding plate, and a leveling pressing wheel 8 is mounted on the mounting frame.
Referring to fig. 1 and 5, the automatic cutting device 4 includes a cutter holder 41 installed on the frame 1, a rotating shaft is welded on the side wall of the cutter holder 41, a cutter 42 is installed on the rotating shaft, a spring is sleeved on the rotating shaft and located on the outer side of the cutter 42, and a fastening bolt is installed on the rotating shaft and located on the outer side of the spring in a threaded manner. An air cylinder 43 is fixed below the tool rest 41, a connecting rod is fixedly connected to a driving shaft of the air cylinder 43, and one end, far away from the conveyor belt, of the cutting knife 42 is hinged to the connecting rod; the knife rest 41 is also provided with a photoelectric sensor 44, the photoelectric sensor 44 is electrically connected with a controller, the controller controls the cylinder 43 to work, and the cylinder 43 drives the cutting to rise and fall in the direction perpendicular to the conveying direction of the conveying belt for cutting the hot melt adhesive between the two paper-plastic bags.
Referring to fig. 1 and 4, a pressing frame 5 is mounted on a rack 1 close to an automatic cutting device 4, two groups of pressing assemblies are mounted on the pressing frame 5 along the conveying direction of a conveying belt, rotating shafts are mounted on the pressing frame 5 perpendicular to the conveying direction of the conveying belt, the two groups of pressing assemblies are symmetrically mounted on the rack 1 along the conveying direction of the conveying belt, each pressing assembly comprises a belt pulley correspondingly mounted on the two rotating shafts and a pressing belt 6 wound on the two belt pulleys, the transmission direction of the pressing belt 6 is consistent with the conveying direction of the conveying belt, and a gap for a plastic bag to pass through is formed between the lower belt surface of the pressing belt 6 and the upper surface of; for the convenience with the leading-in clearance between the compressing band 6 of paper plastic bag and the frame 1 upper surface, compress tightly the frame front end and rotate and install gyro wheel 9, compress tightly area 6 and twine with two belt pulleys through the gyro wheel 9 outside, gyro wheel 9 plays the tensioning effect to compressing band 6, makes compressing band 6 pass through and is formed with the direction inclination between gyro wheel 9 and the frame 1 upper surface, has avoided the extrusion of paper plastic bag to pile up at compressing band 6 front end. In order to ensure that the middle part of the pressing belt 6 is attached to the upper surface of the paper-plastic bag, a plurality of groups of pressing wheels are arranged on the pressing frame 5 in the same straight line with the belt pulley and the tensioning wheel, and the pressing wheels are in contact with the lower surface of the inner side of the pressing belt 6. The first motor is installed on the pressing frame 5, and a connected driving shaft is in driving connection with any rotating shaft.
Referring to fig. 1 and 4, an adjusting frame 7 is mounted on the frame 1 near the pressing frame 5, the adjusting frame 7 includes adjusting rods 71 symmetrically mounted on the frame 1 along the conveying direction of the conveyor belt and a cross rod 72 mounted on the two adjusting rod 71 supports, an adjusting spring 73 is mounted at the lower end of the adjusting rod 71, the other end of the adjusting spring 73 is connected with the frame 1, and the cross rod 72 is fixedly connected with the front end of the pressing frame 5 through a bolt.
The implementation principle of the embodiment is as follows:
the paper plastic bag moves forward along the conveying direction of the conveying device uniformly, the paper plastic bag enters the sealing device 2 firstly, the sewing machine 22 performs primary thread sewing on the bottom of the paper plastic bag, the paper plastic bag enters the bottom sealing device 3 after sealing is finished, the coiled hot melt adhesive on the adhesive tape tray 312 enters the bending plate under the action of the guide rod, the guide wheel I314 and the guide wheel II 315, the bending plate bends the hot melt adhesive into a V shape with an opening facing a conveying belt, the bent hot melt adhesive enters the heat sealing mechanism 32 through the guide plate 322, the bottom of the paper plastic bag is arranged in the V-shaped opening, the hot melt adhesive is heated by the heating plate 321 and is bonded with the heat sealing plate at the bottom of the paper plastic bag, the paper plastic bag bonded with the overheated hot melt adhesive is bonded more firmly after passing through the leveling press wheel 8, after bonding, the leveling press wheel 8 further extrudes and levels the hot melt adhesive at the bottom of the paper plastic bag, and then the paper plastic bag connected with each other enters the automatic cutting device 4, the photoelectric sensor 44 detects the position of the paper-plastic bag, when detecting, the light emitted by the illuminator of the photoelectric sensor 44 is blocked when the paper-plastic bag passes through, and the light is partially reflected back, the light receiver of the photoelectric sensor 44 receives the light signal and outputs a switch signal, the controller receives the signal of the photoelectric sensor 44, the controller sends out a control signal after delaying for several seconds, the delay time is determined by the ratio of the width of the paper-plastic bag to the uniform movement rate of the paper-plastic bag on the conveyor belt, the cylinder 43 starts to work under the instruction of the control signal, the cylinder 43 drives the connecting rod to move downwards, the connecting rod drives the cutting knife 42 to cut the hot melt adhesive upwards along the direction perpendicular to the conveying direction of the paper-plastic bag, the illuminator of the photoelectric sensor 44 emits light again, the position of the next paper-plastic bag is detected, a switch signal is output, the controller sends out the control signal after delaying for several seconds, the air cylinder 43 drives the connecting rod to move upwards, the connecting rod drives the cutting knife 42 to cut the hot melt adhesive downwards along the direction vertical to the conveying direction of the paper-plastic bags, and the steps are repeated to cut the hot melt adhesive between every two adjacent paper-plastic bags; in the whole cutting process, the pressing belt 6 is always in contact with the upper surface of the paper-plastic bag.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides an automatic device of cutting of sealing of bag hem is moulded to paper, includes frame (1), be provided with conveyer on frame (1), its characterized in that: the automatic cutting machine is characterized in that a sealing device (2), a bottom sealing device (3) and an automatic cutting device (4) are sequentially arranged on the rack (1) along the same side of the conveying direction of the conveying device, the automatic cutting device (4) comprises a cutting knife (42) which is rotatably arranged on the rack (1), a rotary cutting surface of the cutting knife (42) is perpendicular to the conveying direction of the conveying device, and the automatic cutting device (4) further comprises a control mechanism which controls the cutting knife (42) to rotate.
2. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: the control mechanism comprises a driving assembly and a control unit, wherein a tool rest (41) is arranged on the rack (1), the middle part of the cutting knife (42) is hinged to the tool rest (41), the driving assembly comprises a cylinder (43) arranged below the tool rest (41), a connecting rod is fixedly connected to a driving shaft of the cylinder (43), the connecting rod is hinged to a section, away from the conveying device, of the cutting knife (42), the control unit comprises a controller and a photoelectric sensor (44), the photoelectric sensor (44) is arranged on the tool rest (41), and the photoelectric sensor (44) and the cylinder (43) are respectively electrically connected with the controller.
3. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: be provided with on frame (1) near automatic cutting device (4) and compress tightly frame (5), it compresses tightly the subassembly to be provided with two sets of at least on frame (5), compress tightly the subassembly including setting up compressing tightly area (6) on compressing tightly frame (5), the transmission direction and the conveyer transmission direction unanimity of compressing tightly area (6), just it moulds the clearance that the bag passes through to have the paper supply between the lower tape surface of compressing tightly area (6) and frame (1) upper surface.
4. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: and the front end of the pressing frame (5) is provided with a roller (9) for guiding the paper-plastic bag between the pressing belt (6) and the upper surface of the rack (1).
5. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: be provided with alignment jig (7) near automatic cutting device (4) one end in frame (1), alignment jig (7) include along conveyer belt direction of transfer symmetry set up regulation pole (71) in frame (1), set up horizontal pole (72) between two regulation poles (71), be provided with between tip and frame under regulation pole (71) and adjust spring (73), horizontal pole (72) are through bolt and hold-down frame (5) front end fixed connection.
6. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: the sealing device (2) comprises a paying-off machine (21) arranged on the rack (1) and a sewing machine (22) arranged on the rack (1).
7. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: the bottom sealing device (3) comprises a rubber belt conveying mechanism (31) and a heat sealing mechanism (32), wherein the rubber belt conveying mechanism (31) comprises a rubber belt bracket (311) and a rubber belt tray (312) arranged on the rubber belt bracket (311).
8. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: the adhesive tape conveying mechanism (31) further comprises a guide assembly, the guide assembly comprises an inverted L-shaped guide rod (313) arranged on the adhesive tape bracket (311), a first guide wheel (314) and a second guide wheel (315) arranged on the rack (1), and a flanging plate (316) arranged on the rack (1) and provided with a V-shaped opening, and the V-shaped opening of the flanging plate (316) faces the direction of the pressing frame (5).
9. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: the heat sealing mechanism (32) comprises a heating plate (321), and a guide plate (322) for guiding the hot melt adhesive tape is arranged at the front end of the heating plate (321).
10. The automatic sealing and cutting device for the hemmed edge of the paper-plastic bag according to claim 1, which is characterized in that: a flattening pressing wheel (8) is arranged on the machine frame (1) and close to the discharge end of the heat sealing mechanism (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010585117.6A CN111761877A (en) | 2020-06-23 | 2020-06-23 | Automatic sealing and cutting device for paper-plastic bag edge sewing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010585117.6A CN111761877A (en) | 2020-06-23 | 2020-06-23 | Automatic sealing and cutting device for paper-plastic bag edge sewing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111761877A true CN111761877A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010585117.6A Pending CN111761877A (en) | 2020-06-23 | 2020-06-23 | Automatic sealing and cutting device for paper-plastic bag edge sewing |
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| CN (1) | CN111761877A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829382A (en) * | 2021-01-21 | 2021-05-25 | 上海君崎包装材料有限公司 | Multifunctional edge melting machine |
| CN113103670A (en) * | 2021-04-15 | 2021-07-13 | 孙高雷 | Integrative preparation equipment of hot-blast tear seam of container bag packing |
| CN114030232A (en) * | 2021-11-23 | 2022-02-11 | 湖北诃力机械设备有限公司 | Sealing device for composite packaging bag |
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| KR20060081748A (en) * | 2005-01-10 | 2006-07-13 | 금용수 | Method for manufacturing non-woven fabric bag |
| CN202593927U (en) * | 2012-04-10 | 2012-12-12 | 天津市旭辉恒远塑料包装有限公司 | Bottoming machine of packaging bag |
| CN203713141U (en) * | 2013-10-02 | 2014-07-16 | 石河子佳美包装工贸有限公司 | Bottom sealing equipment for paper-plastic bags |
| CN203818191U (en) * | 2014-05-19 | 2014-09-10 | 孙彩云 | Automatic cutter with adjustable length |
| CN106742351A (en) * | 2017-03-30 | 2017-05-31 | 合肥舒实工贸有限公司 | A kind of tape sealing machine |
| CN207594410U (en) * | 2017-10-31 | 2018-07-10 | 重庆强达力科技发展有限公司 | For shearing the device of packaging bag |
| CN209381506U (en) * | 2018-12-26 | 2019-09-13 | 青海盐湖工业股份有限公司 | A kind of back cover equipment of paper plastic bag |
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| CN112829382A (en) * | 2021-01-21 | 2021-05-25 | 上海君崎包装材料有限公司 | Multifunctional edge melting machine |
| CN112829382B (en) * | 2021-01-21 | 2022-11-08 | 上海君崎包装材料有限公司 | Multifunctional edge melting machine |
| CN113103670A (en) * | 2021-04-15 | 2021-07-13 | 孙高雷 | Integrative preparation equipment of hot-blast tear seam of container bag packing |
| CN114030232A (en) * | 2021-11-23 | 2022-02-11 | 湖北诃力机械设备有限公司 | Sealing device for composite packaging bag |
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Application publication date: 20201013 |