CN112172255A - Bag making device for packaging - Google Patents
Bag making device for packaging Download PDFInfo
- Publication number
- CN112172255A CN112172255A CN202011043569.8A CN202011043569A CN112172255A CN 112172255 A CN112172255 A CN 112172255A CN 202011043569 A CN202011043569 A CN 202011043569A CN 112172255 A CN112172255 A CN 112172255A
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- China
- Prior art keywords
- sliding
- packaging
- bag
- heat
- transmission
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Classifications
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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
- B31B70/14—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
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/20—Cutting sheets or blanks
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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
- B31B70/645—Making seals transversally to the direction of movement
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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
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/872—Forming integral handles on bags
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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
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/874—Forming integral handles or mounting separate handles involving punching or cutting
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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
- B31B70/74—Auxiliary operations
- B31B70/92—Delivering
- B31B70/94—Delivering singly or in succession
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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
- B31B70/74—Auxiliary operations
- B31B70/92—Delivering
- B31B70/98—Delivering in stacks or bundles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention belongs to the technical field of packaging equipment, and particularly relates to a bag making device for packaging, which comprises a rack, a workbench, a power unit, a traction unit, a heat-sealing cutting unit and a material receiving unit, wherein the traction unit, the heat-sealing cutting unit and the material receiving unit are sequentially distributed; the traction roller is provided with a conveying convex strip, and the rotating shaft is provided with a cam; the heat-sealing cutting unit comprises two transmission cylinders which are respectively positioned at the upper side and the lower side of the workbench, and the transmission cylinders are filled with hydraulic oil and provided with heating devices; one side of the transmission cylinder is connected with a piston in a sliding way, the other side of the transmission cylinder is connected with a guide post in a sliding way, and the guide post is provided with a heat sealing strip; a transverse cutter and a tapping cutter are arranged on at least one guide pillar, and the heat sealing strip, the transverse cutter and the tapping cutter are distributed in sequence; the worktable is provided with a through hole through which the heat supply seal, the transverse cutter and the tapping cutter pass. By using the technical scheme, the problems that the existing bag making machine is complex in structure and different processing steps are required to be carried out on different mechanisms can be effectively solved.
Description
Technical Field
The invention belongs to the technical field of packaging equipment, and particularly relates to a bag making device for packaging.
Background
The packaging bag is widely applied to packaging and sealing of articles so as to ensure the sealing property and flatness of the packaging bag and the safety of the articles. The production and processing of the packaging bags need to use a bag making machine, which is a machine for making various plastic packaging bags or packaging bags made of other materials, and the processing range of the packaging bags is various plastic packaging bags or packaging bags made of other materials with different sizes, thicknesses and specifications, and generally, the plastic packaging bags are used as main products.
In the process of preparing the packaging bag by using the bag making machine, a bag making material packaging film is pulled out by a film pulling mechanism of the bag making machine, the packaging film is subjected to edge sealing by a heat sealing mechanism, the heat-sealed packaging film is cut by a cutting mechanism, a handle hole is punched on the cut packaging film by a punching mechanism, and the processed packaging bag is conveyed away and collected by a collecting unit. The packaging bags are produced by adopting the existing bag making machine, mechanisms such as traction, heat sealing, cutting, punching and the like need to be accurately matched, in order to ensure the matching accuracy among the mechanisms, a large number of sensors and controllers need to be arranged, the complexity of the device is increased, and when a certain sensor has a problem, the whole bag making machine is easy to have operation faults, so that the bag cannot be normally made; and different processing steps need to be carried out on different mechanisms, so that the processing time is prolonged to a certain extent.
Disclosure of Invention
The invention aims to provide a bag making device for packaging, which aims to solve the problems that the existing bag making machine is complex in structure and different processing steps are required to be carried out on different mechanisms.
In order to achieve the purpose, the scheme of the invention is as follows: the bag making device for packaging comprises a rack, a workbench, a power unit, a traction unit, a heat-sealing cutting unit and a material receiving unit, wherein the traction unit, the heat-sealing cutting unit and the material receiving unit are sequentially distributed; the traction roller is provided with conveying convex strips distributed along the circumferential surface of the traction roller, and the rotating shaft is provided with a cam; the heat-sealing cutting unit comprises two transmission cylinders which are respectively positioned at the upper side and the lower side of the workbench, and the transmission cylinders are filled with hydraulic oil and provided with heating devices; a piston which can be always in contact with the surface of the cam is connected in one side of the transmission cylinder in a sliding manner, a guide pillar with a concave cavity inside is connected in the other side of the transmission cylinder in a sliding manner, and a heat sealing strip is arranged on the guide pillar; a transverse cutter and a tapping cutter are arranged on at least one guide pillar, and the heat sealing strip, the transverse cutter and the tapping cutter are distributed in sequence; the worktable is provided with a through hole through which the heat supply seal, the transverse cutter and the tapping cutter pass.
The working principle of the scheme is as follows:
when the bag making device works, the power unit and the heating device are started, the heating device heats hydraulic oil in the transmission cylinder, and the hydraulic oil transfers heat to the heat sealing strip, so that the heat sealing strip has higher temperature. The power unit drives the two traction rollers to start reverse motion, when the conveying convex strips on the traction rollers rotate to be in contact with the packaging film, the packaging film is conveyed forwards under the clamping effect of the conveying convex strips of the two traction rollers. When the conveying convex strips are separated from the packaging film, the packaging film is pulled to convey for a distance of one packaging bag length. The cam on the pivot also begins to move when the carry over pinch rolls rotates, and the cam drives the piston reciprocating motion along with it, and at this in-process, under the transmission effect of hydraulic oil, the guide pillar also begins the up-and-down motion. After the conveying convex strip on the carry over pinch rolls carries the packaging film, the guide pillar drives heat-seal strip, cross-cutter and trompil sword to workstation one side motion, and when the guide pillar moved lower extreme position, heat-seal strip, cross-cutter and trompil sword combined action were on the packaging film, and two heat-seal strips seal one side of packaging film, and the handle hole is opened on the packaging film to the trompil sword, and the cross-cutter downcuts preliminary fashioned wrapping bag, and the preparation obtains the wrapping bag. After the packaging bag is prepared, the material collecting unit conveys the packaging bag away, the tidiness of the workbench is guaranteed, and the packaging bag can be processed normally.
The beneficial effect of this scheme lies in:
1. in this scheme, the carry over pinch rolls rotates the round, and under the effect of carrying the sand grip, the distance of a packaging bag length is carried in the packaging film traction, and after the transport sand grip on the carry over pinch rolls breaks away from the meshing with the packaging film, packaging film stop motion, heat-seal strip, cross-cut sword, the automatic heat-seal of accomplishing the packaging film of trompil sword this moment, cutting, punching a hole, a plurality of manufacturing procedure merge the completion, can simplify the structure of device to improve production efficiency to a certain extent.
2. The rotation of the traction roller, the movement of the heat sealing strip, the transverse cutter and the tapping cutter are all driven by a power unit, and a plurality of processing can be completed by one power mechanism, so that the processing operation is simple; and only one power mechanism is arranged, so that the structure of the device can be effectively simplified, and the production cost is saved.
Optionally, the guide post comprises a guide cylinder with a through cavity formed inside, a sliding cylinder connected to the guide cylinder in a sliding manner, and a threaded seat connected to the guide cylinder in a rotating manner, wherein the threaded seat penetrates through the sliding cylinder and is in threaded connection with the sliding cylinder; the guide cylinder is connected in the transmission cylinder in a sliding way, and the heat sealing strip is arranged on the sliding cylinder. Set up the position that the screw thread seat can effectively adjust the heat-seal strip, twist through the direction toward the difference and move the screw thread seat and can make the heat-seal strip on the slide cartridge shift up or move down, no matter process the wrapping bag of any kind of specification, whether the thickness of the packaging film that uses differs, can both make the fine laminating of heat-seal strip on the packaging film.
Optionally, a strip-shaped groove is formed in the inner wall of the guide cylinder, and a protrusion which is connected to the strip-shaped groove in a sliding mode is arranged on the sliding cylinder. The arrangement of the strip-shaped groove has a limiting effect on the movement of the sliding barrel, so that the sliding barrel can only move up and down along the guide barrel and cannot rotate.
Optionally, the receiving unit comprises a rotating shaft, a transmission shaft, a feeding roller fixed on the rotating shaft and an L-shaped receiving frame positioned on one side of the feeding roller, and the feeding roller is positioned above the workbench; the rotating shaft and the transmission shaft are both rotationally connected to the rack; a rack is arranged on the sliding cylinder above the workbench, a driving chain wheel and a gear meshed with the rack are arranged on the transmission shaft, a one-way bearing is fixed on the rotating shaft, a driven chain wheel is fixed on the outer ring of the one-way bearing, and the driving chain wheel and the driven chain wheel are sleeved with a same transmission chain; and the feeding roller is provided with a feeding lug boss for conveying the cut packaging film.
And in the descending process of the sliding cylinder, the rack driving gear and a transmission shaft on the gear rotate towards a fixed direction, and the driven chain wheel also rotates towards the fixed direction under the action of chain transmission. The driven sprocket drives the outer ring of the one-way bearing to move together when rotating, when the outer ring of the one-way bearing rotates towards the direction, the outer ring and the inner ring of the one-way bearing are not affected mutually, the outer ring of the one-way bearing can rotate freely on the inner ring without driving the inner ring to move together, and at the moment, the rotating shaft and the feeding roller on the rotating shaft are kept still. After the heat sealing strip, the transverse cutter and the perforating cutter work on the packaging film, the sliding cylinder drives the rack to move upwards, the gear is driven to rotate towards the other direction in the ascending process of the rack, the rotating direction of the driven chain wheel is changed along with the rack, the outer ring of the one-way bearing is driven to move together when the driven chain wheel rotates, the outer ring of the one-way bearing and the inner ring are locked when the outer ring of the one-way bearing rotates towards the direction, the outer ring of the one-way bearing drives the inner ring to rotate together, the rotating shaft also rotates under the action of the inner ring of the one-way bearing, and the rotating shaft and the. The sliding barrel moves upwards, the feeding roller rotates for a circle, and the feeding lug on the feeding roller sends the processed packaging bag out of the workbench to realize automatic discharging.
Optionally, the L-shaped material receiving frame is located below one side of the workbench, and a telescopic column capable of contracting with the increase of weight is arranged on the lower surface of the L-shaped material receiving frame.
Optionally, the power unit includes a first gear, a second gear engaged with the first gear, and a motor driving one of the traction rollers to rotate, the first gear and the second gear are respectively fixed on different rotation shafts, and a transmission ratio of the first gear to the second gear is 1: 1. When the traction rollers need to work, the motor is started, one rotating shaft rotates, the other rotating shaft also rotates under the action of gear transmission, the rotating directions of the two rotating shafts are opposite, the traction rollers fixed on the two rotating shafts move in opposite directions, and the packaging film is conveyed forwards.
Optionally, the traction roller is also connected with conveying convex strips distributed along the circumferential surface of the traction roller in a sliding manner; the conveying convex strips and the sliding convex strips are arranged, the two conveying convex strips are positioned at two sides of the traction roller, and the two sliding convex strips can be positioned in the two conveying convex strips. The position of slip sand grip can be adjusted, slides along the carry over pinch rolls surface through making the slip sand grip, can change the distance of carrying between sand grip and the slip sand grip for carry sand grip and slip sand grip and can pull the packaging film of different length at every turn, make the wrapping bag that this mechanism can process different specifications, increase application scope. Set up two and carry sand grip and slip sand grip, when pulling the packaging film, the both sides homoenergetic of packaging film can with carry sand grip, slip sand grip contact, enable better pulling, the transport of packaging film.
Optionally, the traction roller is provided with an arc-shaped groove distributed along the circumferential surface of the traction roller, and the sliding raised strips are provided with sliding blocks connected in the arc-shaped groove in a sliding manner.
Optionally, a cam groove forming a closed loop is formed in a side wall of the cam, and a connecting block with one end clamped and slidably connected to the cam groove is arranged on the piston. The cam and the piston can be always kept in contact through the cam groove and the connecting block, and the cam can effectively transmit power to the piston.
Optionally, an elastic element for resetting the piston is arranged in the transmission cylinder. The elastic piece is arranged, the cam can be always in contact with the piston under the action of the elastic piece, and the cam can effectively transmit power to the piston.
Drawings
FIG. 1 is a front view of a bag-making apparatus for packaging in accordance with one embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view of one side of the transmission cylinder;
FIG. 4 is a drive diagram of the material receiving unit;
FIG. 5 is a top view of the wrapping film on the table;
FIG. 6 is a sectional view of a bag-making apparatus for packaging in a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a workbench 10, a packaging film 20, a sealing part 21, a cutting part 22, a handle hole 23, a traction roller 30, a conveying convex strip 31, a sliding convex strip 32, a sliding block 321, a rotating shaft 33, a transmission cylinder 40, a guide cylinder 41, a strip-shaped groove 411, a sliding cylinder 42, a protrusion 421, a thread seat 43, a heat sealing strip 44, a transverse cutter 45, a hole opening cutter 46, a rack 47, a piston 48, a connecting block 481, an elastic piece 49, a transmission shaft 50, a gear 51, a transmission chain 52, a driving chain wheel 53, a feeding roller 60, a feeding convex block 61, an L-shaped material receiving frame 70, a fixed cylinder 71, a moving cylinder 72, a rotating shaft 80, a one-way bearing 81 and a driven.
Example one
This embodiment is substantially as shown in FIGS. 1-5: the packaging bag-making device comprises a frame, a workbench 10, a power unit, a traction unit, a heat-sealing cutting unit and a material receiving unit which are distributed in sequence. The traction unit comprises two symmetrically arranged traction rollers 30, the traction rollers 30 are rotatably connected to the frame through a rotating shaft 33, and the two traction rollers 30 are respectively positioned at the upper side and the lower side of the workbench 10. The surface of carry roller 30 is equipped with two and carries sand grip 31 and two slip sand grip 32, carries sand grip 31 welding on carry roller 30, and slip sand grip 32 sliding connection is on carry roller 30, and is concrete, and it has the arc wall along the distribution of carry roller 30 periphery to open on carry roller 30, is fixed with sliding block 321 of sliding connection in the arc wall on the slip sand grip 32. Two conveying convex strips 31 are positioned on two sides of the traction roller 30, two sliding convex strips 32 can be positioned in the two conveying convex strips 31, the conveying convex strips 31 and the sliding convex strips 32 are distributed along the circumferential surface of the traction roller 30, and the upper surfaces of the conveying convex strips 31 and the sliding convex strips 32 are positioned on the same circumferential surface.
The power unit is used for driving the two traction rollers 30 to rotate reversely, the power unit comprises a first gear, a second gear meshed with the first gear and a motor fixedly installed on the frame, and an output shaft of the motor is connected to a rotating shaft 33 located below the workbench 10. The first gear and the second gear are respectively and fixedly arranged on different rotating shafts 33, and the transmission ratio of the first gear to the second gear is 1: 1.
The heat-sealing cutting unit comprises two transmission cylinders 40 respectively positioned at the upper side and the lower side of the workbench 10, wherein the transmission cylinders 40 are filled with hydraulic oil and are provided with heating devices, and the heating devices are electric heating wires in the embodiment. The driving cylinder 40 has a piston 48 slidably and sealingly connected to one side thereof and a guide post having a cavity formed therein slidably and sealingly connected to the other side thereof. Referring to fig. 3, the guide post includes a guide cylinder 41, a sliding cylinder 42 and a threaded seat 43, the guide cylinder 41 is slidably and hermetically connected in the transmission cylinder 40, a strip-shaped groove 411 is formed on the inner wall of the guide cylinder 41, and a protrusion 421 slidably connected in the strip-shaped groove 411 is fixed on the sliding cylinder 42.
The upper portion of screw seat 43 is rotated and is connected on guide cylinder 41, and specifically, the outer wall of guide cylinder 41 is opened has the annular groove, and the upper portion of screw seat 43 is fixed with the fixture block of rotation connection in the annular groove. The slide cylinder 42 passes through the screw seat 43 and is screw-coupled to a lower portion of the screw seat 43, and the slide cylinder 42 is moved along the guide cylinder 41 by screwing the screw seat 43. A heat sealing strip 44 is fixed on one side of the sliding cylinder 42 facing the workbench 10, and the heat sealing strip 44 can press the sealing part 21 on the packaging film; at least one sliding barrel 42 is fixedly provided with a mounting seat, and in the scheme, the two sliding barrels 42 are provided with the mounting seats. The mounting seat is provided with a transverse cutter 45 and a hole cutter 46, the heat sealing strip 44, the transverse cutter 45 and the hole cutter 46 are distributed in sequence, the transverse cutter 45 can cut off the packaging film 20 on the workbench 10, and the hole cutter 46 can open the handle hole 23 on the packaging film 20. The worktable 10 is provided with a through hole for passing a heat supply seal 44, a cross cutting knife 45 and a tapping knife 46. The rotating shaft 33 is fixedly provided with a cam, the side wall of the cam is provided with a cam groove forming a closed loop, and the piston 48 is fixedly provided with a connecting block 481 with one end clamped and connected with the cam groove in a sliding way.
Referring to fig. 4, the material receiving unit includes a rotating shaft 80, a transmission shaft 50, a feeding roller 60 fixed on the rotating shaft 80, and an L-shaped material receiving frame 70 located below the right side of the feeding roller 60, the rotating shaft 80 and the transmission shaft 50 are both rotatably connected to the frame, and the feeding roller 60 is located above the working table 10. A rack 47 is fixed on the mounting seat above the workbench 10, a driving sprocket 53 and a gear 51 meshed with the rack 47 are welded on the transmission shaft 50, a one-way bearing 81 is fixed on the rotating shaft 80, an inner ring of the one-way bearing 81 is in interference fit with the rotating shaft 80, the outer ring of the one-way bearing 81 can rotate relative to the inner ring when rotating in one direction, and when the outer ring of the one-way bearing 81 rotates in the other direction, the outer ring and the inner ring of the one-way bearing 81 keep relatively static. The driven sprocket 82 is fixed on the outer ring of the one-way bearing 81, and the same transmission chain 52 is sleeved on the driving sprocket 53 and the driven sprocket 82. The feeding roller 60 is fixed with a feeding lug 61, and the feeding lug 61 can contact with the packaging bag on the workbench 10 and feed the packaging bag away. The L-shaped material receiving frame 70 is located below one side of the working table 10, and the lower surface of the L-shaped material receiving frame 70 is provided with a telescopic column which can contract along with the increase of the weight. The telescopic column comprises a fixed cylinder 71 and a movable cylinder 72 which is connected in the fixed cylinder 71 in a sliding mode, the fixed cylinder 71 is provided with a compression spring with one end in contact with the movable cylinder 72, and the lower surface of the L-shaped material receiving frame 70 fixes the upper surface of the movable cylinder 72.
The packaging film 20, which is a raw material used for preparing the packaging bag, is a double-layer packaging film roll, the packaging film roll is only provided with openings at the front end and the rear end, one side of the packaging film roll, on which the packaging film 20 is arranged, is sealed, the sealed packaging film 20 is cut off, and a handle hole 23 is formed in the packaging film 20, so that the packaging bag can be prepared, the obtained packaging bag is shown as the packaging film 20 on the right side of fig. 5, and the reference numeral 22 in fig. 5 indicates the cutting position after the cutting by the transverse cutter.
When the bag making device works, the motor and the electric heating wire are started, the electric heating wire heats hydraulic oil in the transmission cylinder 40, and the hydraulic oil transfers heat to the heat sealing strip 44, so that the heat sealing strip 44 has higher temperature and can heat-seal the packaging film. The motor drives the two pulling rollers 30 to start reverse movement, and when the conveying convex strips 31 on the pulling rollers 30 rotate to be in contact with the packaging film 20, the packaging film 20 is conveyed forwards under the clamping action of the conveying convex strips 31 of the two pulling rollers 30. When the conveying ribs 31 are disengaged from the packaging film 20, the packaging film 20 is pulled and conveyed by a distance of one package length. The pulling roller 30 rotates and the cam on the rotating shaft 33 also starts to move, the cam drives the piston 48 to reciprocate, and in the process, the guide column also starts to move up and down under the driving action of hydraulic oil. After the packaging film 20 is conveyed by the conveying convex strips 31 on the traction roller 30, the guide post drives the heat sealing strip 44, the transverse cutter 45 and the hole opening cutter 46 to move to one side of the workbench 10, when the guide post moves to the lower limit position, the heat sealing strip 44, the transverse cutter 45 and the hole opening cutter 46 act on the packaging film 20 together, one side of the packaging film 20 is sealed by the two heat sealing strips 44, the handle hole 23 is opened on the packaging film 20 by the hole opening cutter 46, the primarily formed packaging bag is cut down by the transverse cutter 45, and the packaging bag is prepared.
During the descending process of the sliding cylinder 42 in the guide post, the rack 47 drives the gear 51 and the transmission shaft 50 on the gear 51 to rotate towards the fixed direction, and under the action of the chain transmission, the driven chain wheel 82 also rotates towards the fixed direction. When the driven sprocket 82 rotates, the outer ring of the one-way bearing 81 is driven to move together, when the outer ring of the one-way bearing 81 rotates in the direction, the outer ring and the inner ring of the one-way bearing 81 are not affected, the outer ring of the one-way bearing 81 can freely rotate on the inner ring without driving the inner ring to move together, and at the moment, the rotating shaft 80 and the feeding roller 60 on the rotating shaft 80 are also kept static. During the feeding process of the traction roller 30 and the descending process of the guide columns, the feeding lugs 61 on the feeding roller 60 are all positioned above the workbench 10, so that the packaging films 20 can be normally conveyed to the position below the feeding roller 60. After the heat sealing strip 44, the transverse cutting knife 45 and the perforating knife 46 work on the packaging film 20, the sliding cylinder 42 drives the rack 47 to move upwards, the gear 51 is driven to rotate towards the other direction in the ascending process of the rack 47, the rotating direction of the driven chain wheel 82 is changed along with the change of the rotating direction, the outer ring of the one-way bearing 81 is driven to move together when the driven chain wheel 82 rotates, when the outer ring of the one-way bearing 81 rotates towards the direction, the outer ring and the inner ring of the one-way bearing 81 are locked, the outer ring of the one-way bearing 81 drives the inner ring to rotate together, the rotating shaft 80 also rotates under the action of the inner ring of the one-way bearing 81, and. The sliding barrel 42 moves upwards, the feeding roller 60 rotates for one circle, and when the feeding lug 61 on the feeding roller 60 rotates to the lower part, the feeding lug 61 on the feeding roller 60 sends the processed packaging bag out of the workbench 10, so that automatic discharging is realized.
Example two
The present embodiment is different from the first embodiment in that: as shown in fig. 6, in the present embodiment, the cam is not provided with a cam groove, and the piston 48 is not provided with the connecting block 481. In order to keep the cam in contact with the piston 48 all the time, an elastic member 49 is provided in the transmission cylinder 40, in this embodiment, the elastic member 49 is a compression spring, one end of the compression spring is connected to the inner wall of the transmission cylinder 40, the other end is connected to the piston 48, and the cam can keep in contact with the piston 48 all the time under the action of the elastic member 49.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (10)
1. A bag-making device for packaging is characterized in that: the automatic cutting machine comprises a rack, a workbench, a power unit, a traction unit, a heat-sealing cutting unit and a material collecting unit, wherein the traction unit, the heat-sealing cutting unit and the material collecting unit are sequentially distributed; the traction roller is provided with conveying convex strips distributed along the circumferential surface of the traction roller, and the rotating shaft is provided with a cam; the heat-sealing cutting unit comprises two transmission cylinders which are respectively positioned at the upper side and the lower side of the workbench, and the transmission cylinders are filled with hydraulic oil and provided with heating devices; a piston which can be always in contact with the surface of the cam is connected in one side of the transmission cylinder in a sliding manner, a guide pillar with a concave cavity inside is connected in the other side of the transmission cylinder in a sliding manner, and a heat sealing strip is arranged on the guide pillar; a transverse cutter and a tapping cutter are arranged on at least one guide pillar, and the heat sealing strip, the transverse cutter and the tapping cutter are distributed in sequence; the worktable is provided with a through hole through which the heat supply seal, the transverse cutter and the tapping cutter pass.
2. The bag-making apparatus for packaging as set forth in claim 1, wherein: the guide post comprises a guide barrel, a sliding barrel and a threaded seat, wherein the guide barrel is internally provided with a through cavity, the sliding barrel is connected to the guide barrel in a sliding mode, the threaded seat is connected to the guide barrel in a rotating mode, and the threaded seat penetrates through the sliding barrel and is in threaded connection with the sliding barrel; the guide cylinder is connected in the transmission cylinder in a sliding way, and the heat sealing strip is arranged on the sliding cylinder.
3. The bag-making apparatus for packaging as set forth in claim 2, wherein: a strip-shaped groove is formed in the inner wall of the guide cylinder, and a protrusion which is connected to the strip-shaped groove in a sliding mode is arranged on the sliding cylinder.
4. The bag-making apparatus for packaging as set forth in claim 3, wherein: the receiving unit comprises a rotating shaft, a transmission shaft, a feeding roller fixed on the rotating shaft and an L-shaped receiving frame positioned on one side of the feeding roller, and the feeding roller is positioned above the workbench; the rotating shaft and the transmission shaft are both rotationally connected to the rack; a rack is arranged on the sliding cylinder above the workbench, a driving chain wheel and a gear meshed with the rack are arranged on the transmission shaft, a one-way bearing is fixed on the rotating shaft, a driven chain wheel is fixed on the outer ring of the one-way bearing, and the driving chain wheel and the driven chain wheel are sleeved with a same transmission chain; and the feeding roller is provided with a feeding lug boss for conveying the cut packaging film.
5. The bag-making apparatus for packaging as set forth in claim 4, wherein: the L-shaped material receiving frame is positioned below one side of the workbench, and the lower surface of the L-shaped material receiving frame is provided with a telescopic column which can contract along with the increase of weight.
6. The bag-making apparatus for packaging as set forth in claim 1, wherein: the power unit comprises a first gear, a second gear meshed with the first gear and a motor driving one of the traction rollers to rotate, the first gear and the second gear are respectively fixed on different rotating shafts, and the transmission ratio of the first gear to the second gear is 1: 1.
7. The bag-making apparatus for packaging as claimed in any one of claims 1 to 6, wherein: the traction roller is also connected with conveying raised lines distributed along the circumferential surface of the traction roller in a sliding way; the conveying convex strips and the sliding convex strips are arranged, the two conveying convex strips are positioned at two sides of the traction roller, and the two sliding convex strips can be positioned in the two conveying convex strips.
8. The bag-making apparatus for packaging as set forth in claim 7, wherein: the traction roller is provided with arc-shaped grooves distributed along the circumferential surface of the traction roller, and the sliding raised lines are provided with sliding blocks connected in the arc-shaped grooves in a sliding manner.
9. The bag-making apparatus for packaging as set forth in claim 8, wherein: the lateral wall of the cam is provided with a cam groove forming a closed loop, and the piston is provided with a connecting block with one end clamped and connected with the cam groove in a sliding manner.
10. The bag-making apparatus for packaging as set forth in claim 8, wherein: an elastic part for resetting the piston is arranged in the transmission cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043569.8A CN112172255B (en) | 2020-09-28 | 2020-09-28 | Bag making device for packaging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043569.8A CN112172255B (en) | 2020-09-28 | 2020-09-28 | Bag making device for packaging |
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| CN112172255A true CN112172255A (en) | 2021-01-05 |
| CN112172255B CN112172255B (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011043569.8A Active CN112172255B (en) | 2020-09-28 | 2020-09-28 | Bag making device for packaging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976685A (en) * | 2021-02-25 | 2021-06-18 | 重庆市金利药包材料有限公司 | Full-automatic high-speed bag making device |
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| CN112172255B (en) | 2022-08-16 |
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