CN111674100A

CN111674100A - Portable automatic plastic bag manufacturing system and manufacturing method

Info

Publication number: CN111674100A
Application number: CN202010564710.2A
Authority: CN
Inventors: 李奉喜; 陈福珍; 刘云华
Original assignee: Hefei Xinsheng Plastic Technology Co ltd
Current assignee: Hefei Xinsheng Plastic Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-09-18

Abstract

The invention relates to a portable automatic plastic bag manufacturing system and a manufacturing method, the system comprises a device frame, a material belt conveying mechanism, a hot-pressing bottom sealing mechanism, a horizontal adjusting mechanism, a blanking mechanism, a vertical adjusting mechanism and a cutting mechanism, wherein the device frame is provided with two vertical plates; the system provided by the invention can realize automatic flow type forming, processing and manufacturing of the portable plastic bag, has a compact overall structure, small equipment occupation space, a simple overall structure, convenience for later maintenance and overhaul and lower equipment manufacturing cost, and can be suitable for meeting the production and processing requirements of small-sized production enterprises.

Description

Portable automatic plastic bag manufacturing system and manufacturing method

Technical Field

The invention relates to the technical field of packaging material production, and particularly provides a portable automatic manufacturing system and a manufacturing method for plastic bags.

Background

The portable plastic bag is a bag made of plastic (common plastic such as polypropylene, polyester, nylon and the like) as a main raw material, is an essential article in daily life of people, is often used for containing other articles, and is widely used due to the advantages of low price, extremely light weight, large capacity and convenience in storage.

The existing portable plastic bag production basically adopts streamlined automatic machinery to produce and manufacture, although the processing efficiency is high, the production and processing machinery structure is more complex, the occupied area is larger, and the plastic bag production equipment is suitable for large-scale plastic bag production enterprises to produce and process, but for small-scale production enterprises, the equipment cost investment is high, the occupied area of the equipment is large, and the problems of inconvenient maintenance and the like caused by the complex equipment structure are obviously prominent.

Based on the problems, the invention provides an automatic manufacturing system and a manufacturing method for a portable plastic bag, which are suitable for small-sized production enterprises to produce and process the portable plastic bag.

Disclosure of Invention

In order to solve the above problems, the present invention provides a portable automated plastic bag manufacturing system and a manufacturing method thereof, which can solve the above problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a portable automatic plastic bag manufacturing system comprises a device frame, a material belt conveying mechanism, a hot-pressing bottom sealing mechanism, a horizontal adjusting mechanism, a blanking mechanism, a vertical adjusting mechanism and a cutting mechanism, wherein two vertical plates are arranged on the device frame; wherein:

the hot-pressing bottom sealing mechanism comprises a cross beam plate, a hot-pressing execution cylinder, an electric hot-sealing bottom strip, a first base plate and a first conveying roller, the cross beam plate is horizontally and fixedly arranged between the two vertical plates, the hot-pressing execution cylinder is fixedly arranged at the bottom end of the cross beam plate, the electric hot-sealing bottom strip is horizontally and fixedly arranged at the output end of the hot-pressing execution cylinder, the first base plate is horizontally and fixedly connected between the two vertical plates, the first base plate is positioned right above the electric hot-sealing bottom strip, the first conveying roller at the same horizontal height is distributed on the left side and the right side of the first base plate, the two first conveying rollers are rotatably arranged between the two vertical plates, and the lower horizontal section of the first conveying roller is flush with the lower end face of the first base plate;

the horizontal adjusting mechanism comprises two first roller plates capable of horizontally sliding left and right, the blanking mechanism comprises a first cross beam, a second base plate, a second conveying roller, a blanking execution cylinder and a concave die cushion plate assembly, the first cross beam and the second base plate are fixedly connected between the first roller plates, the first cross beam is positioned on the outer side, the surface of the second base plate is in a vertical state, the second conveying roller is distributed on the upper vertical side and the lower vertical side of the second base plate, the two second conveying rollers are rotatably installed between the first roller plates, the vertical end face of the second base plate facing the first cross beam is flush with the front vertical tangent plane of the two second conveying rollers, the blanking execution cylinder is fixedly installed on the outer side wall of the first cross beam, a waist-shaped punch is arranged at the output end of the blanking execution cylinder, and a concave die hole which is opposite to the punch and is matched with the punch is arranged at the central position of the second base plate, the female die cushion plate component is arranged at the female die hole;

the vertical adjusting mechanism comprises two second roller plates capable of vertically sliding up and down, the cutting mechanism comprises a second cross beam, a third backing plate, a third conveying roller, a cutting execution cylinder, a cutting knife and a drawing conveying roller, the second cross beam and the third backing plate are horizontally and fixedly connected between the two second roller plates, the second cross beam is positioned right above the third backing plate, the third conveying roller is distributed at the same horizontal height on the left side and the right side of the third backing plate, the upper horizontal tangent plane of the two third conveying rollers is flush with the upper end surface of the third backing plate, the cutting execution cylinder is vertically and fixedly installed at the top end of the second cross beam, the cutting knife is in a long strip shape, the cutting knife is fixedly installed at the output end of the cutting execution cylinder, the cutting knife is positioned right above the third backing plate, the drawing conveying roller is horizontally and rotatably installed between the two second roller plates, the traction conveying roller is located close to the blanking mechanism and right above the third conveying roller, a silica gel sleeve is arranged on the traction conveying roller, and the silica gel sleeve is in tangential contact with the third conveying roller located below the silica gel sleeve.

Preferably, the material belt conveying mechanism comprises a feed roller rotatably installed between the two vertical plates and two limiting rings arranged on the feed roller in a sliding mode, the feed roller is higher than the first conveying roller, the feed roller is provided with two key grooves parallel to the axial direction, and the limiting rings are arranged in a sliding fit mode with the two key grooves.

Preferably, the die backing plate subassembly includes die backing plate, T shaped plate, guide arm and extension spring, the die backing plate with the die hole matches the setting, the die backing plate with No. two backing plates towards the one side of drift flushes, T shaped plate fixed connection is in on the die backing plate dorsad on No. two backing plates be equipped with two on the side of drift the guide arm, two the guide arm corresponds the cover and is equipped with the extension spring, T shaped plate and two the guide arm slides and sets up, extension spring both ends fixed connection be in No. two the backing plate with between the T shaped plate.

Preferably, the horizontal adjusting mechanism further comprises two horizontal guide rails and two horizontal cylinders, the two horizontal guide rails are fixedly mounted on the outer side walls of the two vertical plates in a one-to-one correspondence manner, the two horizontal cylinders are fixedly mounted on the two horizontal guide rails in a one-to-one correspondence manner, the output ends of the horizontal cylinders are correspondingly connected with the first rotating roller plate, the vertical adjusting mechanism further comprises two vertical guide rails and two vertical cylinders, the two vertical guide rails are fixedly mounted on the outer side walls of the two vertical plates in a one-to-one correspondence manner, the two vertical cylinders are fixedly mounted on the two vertical guide rails in a one-to-one correspondence manner, and the output ends of the vertical cylinders are correspondingly connected with the second rotating roller plate.

Preferably, a strip-shaped avoiding hole is formed in the third base plate and is located right below the cutting knife.

Preferably, the device table is provided with a blanking plate for receiving the cut portable plastic bag, and the blanking plate is positioned at the front side of the cutting mechanism.

In addition, the invention also provides a portable automatic manufacturing method of the plastic bag, which comprises the following steps:

s1, blanking position adjustment: the hot-pressing bottom sealing mechanism is used as a reference standard, and the position of the blanking mechanism is horizontally adjusted through the horizontal adjusting mechanism, so that the blanking mechanism is positioned at the blanking position of a hand-held hole of the portable plastic bag to be manufactured and processed;

s2, adjusting the cutting position: taking the blanking mechanism with the blanking position adjusted in the step S1 as a reference standard, and adjusting the position of the cutting mechanism through the vertical adjusting mechanism to enable the cutting mechanism to be positioned at the cutting position of the portable plastic bag to be manufactured and processed;

s3, conveying the material belt: intermittently conveying the plastic bag material belts for manufacturing and processing the portable plastic bags in the system, wherein the intermittent conveying distance is equal to the length of the finished portable plastic bags;

s4, manufacturing and molding: in the process of S3 conveying the material tape, when the conveying is stopped intermittently, the hot-pressing bottom sealing mechanism will perform hot-pressing bottom sealing, the blanking mechanism will perform blanking forming processing of the hand-held holes on the material tape portion that has completed bottom sealing on the conveying path, and the cutting mechanism will cut the material tape portion that has completed blanking forming on the conveying path, thereby obtaining the finished product hand-held plastic bag.

The technical scheme has the following advantages or beneficial effects:

1. the invention provides a portable automatic plastic bag manufacturing system, which is provided with a hot-pressing bottom sealing mechanism, a blanking mechanism and a cutting mechanism, can sequentially carry out bag bottom hot-pressing bottom sealing processing, portable hole blanking forming processing and bag body cutting and dividing processing on a plastic bag material belt in a conveying path of the system in the process of providing intermittent conveying, can realize automatic flow forming processing and manufacturing of portable plastic bags, and has the advantages of compact integral structure, small occupied space of equipment, simple integral structure, convenience for later maintenance and repair, lower equipment manufacturing cost and capability of meeting the production and processing requirements of small-sized production enterprises.

2. The invention provides an automatic manufacturing system of portable plastic bags, which is provided with a horizontal adjusting mechanism and a vertical adjusting mechanism, aiming at the portable plastic bags with different design lengths, a hot-pressing bottom sealing mechanism with fixed position is taken as a reference standard, the position of a blanking mechanism can be adjusted through the horizontal adjusting mechanism, the adjusted blanking mechanism is taken as the reference standard, the position of a cutting mechanism can be adjusted through the vertical adjusting mechanism, and the production and the manufacturing can be carried out aiming at the portable plastic bags with different length sizes.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a schematic perspective view of a portable automated system for making plastic bags according to the present invention from a single viewing angle;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

FIG. 3 is an enlarged partial schematic view at B of FIG. 1;

FIG. 4 is a schematic perspective view of a portable automated system for making plastic bags according to the present invention from another perspective;

FIG. 5 is an enlarged partial schematic view at C of FIG. 4;

FIG. 6 is a side view of a portable automated system for making plastic bags in accordance with the present invention;

FIG. 7 is a top view of a portable automated system for making plastic bags in accordance with the present invention;

fig. 8 is a schematic view of the portable automated manufacturing system for plastic bags shown in fig. 7, taken from the perspective of D-D;

fig. 9 is a flow chart of the method for automatically manufacturing a portable plastic bag according to the present invention.

In the figure: 1. a device frame; 11. a vertical plate; 12. a blanking plate; 2. a material belt conveying mechanism; 21. a feed roller; 211. a keyway; 22. a limiting ring; 3. a hot-pressing bottom sealing mechanism; 31. a beam plate; 32. a hot-pressing execution cylinder; 33. electrically heat sealing the bottom strip; 34. a first backing plate; 35. a first conveying roller; 4. a horizontal adjustment mechanism; 41. a horizontal guide rail; 42. a horizontal cylinder; 43. a first roll plate; 5. a blanking mechanism; 51. a first beam; 52. a second base plate; 521. a cavity die hole; 53. a second conveying roller; 54. a blanking execution cylinder; 541. a punch; 55. a die pad assembly; 551. a die base plate; 552. a T-shaped plate; 553. a guide bar; 554. a tension spring; 6. a vertical adjustment mechanism; 61. a vertical guide rail; 62. a vertical cylinder; 63. a second roll plate; 7. a cutting mechanism; 71. a second beam; 72. a third base plate; 721. avoiding holes; 73. a third conveying roller; 74. a cutting execution cylinder; 75. a cutting knife; 76. pulling a conveying roller; 761. and (4) a silica gel sleeve.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to the attached drawings 1-9, a portable automatic plastic bag manufacturing system comprises a device frame 1, a material belt conveying mechanism 2, a hot-pressing bottom sealing mechanism 3, a horizontal adjusting mechanism 4, a blanking mechanism 5, a vertical adjusting mechanism 6 and a cutting mechanism 7, wherein the device frame 1 is provided with two vertical plates 11, the material belt conveying mechanism 2, the hot-pressing bottom sealing mechanism 3, the horizontal adjusting mechanism 4, the blanking mechanism 5, the vertical adjusting mechanism 6 and the cutting mechanism 7 are all arranged on the two vertical plates 11, the cutting mechanism 7 is positioned above the hot-pressing bottom sealing mechanism 3, and the hot-pressing bottom sealing mechanism 3 is positioned between the material belt conveying mechanism 2 and the blanking mechanism 5 (the specific distribution position can be shown in the attached drawing 8);

it should be noted that, in this embodiment, the feeding roller 21, the first conveying roller 35, the second conveying roller 53, the third conveying roller 73, and the drawing conveying roller 76 can be selectively assembled with an existing motor for driving, and synchronous intermittent driving conveying (each conveying distance is equal to the length of the plastic handbag to be formed) can be realized through a control circuit, which are all the prior art, and the specific power driving device thereof has been omitted in the drawing, a conveying path of the plastic bag material belt in the system is shown in fig. 8, and the rotating directions of the feeding roller 21, the first conveying roller 35, the second conveying roller 53, the third conveying roller 73, and the drawing conveying roller 76 are labeled in fig. 8, and can be specifically shown in fig. 8.

Horizontal adjustment mechanism 4 includes two can level horizontal slip's a commentaries on classics roll plate 43, and horizontal adjustment mechanism 4 still includes two horizontal guide rail 41 and two horizontal cylinder 42, and two horizontal guide rail 41 one-to-one welded fastening install is on the lateral wall of two risers 11, and two horizontal cylinder 42 pass through bolt one-to-one horizontal fastening install on two horizontal guide rail 41, and horizontal cylinder 42's output correspondence is connected with a commentaries on classics roll plate 43.

There are portable plastic bags of different length dimensions according to the design demand, therefore need to adjust the position of blanking mechanism 5 relative hot pressing back cover mechanism 3 through horizontal adjustment mechanism 4, it is specific, when carrying out step S1 blanking position adjustment, because the plastic bag material area is in the conveying path of system, the position of hot pressing back cover mechanism 3 is fixed, consequently, drive two first commentaries on classics roller board 43 and do horizontal displacement motion along two horizontal guide rails 41 through synchronous start-up two horizontal cylinders 42, thereby drive whole blanking mechanism 5 and do synchronous horizontal displacement along with two first commentaries on classics roller board 43, then adjust through horizontal displacement, make the drift just can carry out the blanking in the position of portable hole of portable plastic bag 541.

Vertical adjustment mechanism 6 includes two can be vertical gliding second number of commentaries on classics roll plate 63 from top to bottom, and vertical adjustment mechanism 6 still includes two vertical guide rails 61 and two vertical cylinders 62, and the vertical welded fastening of two vertical guide rails 61 one-to-one is installed on the lateral wall of two risers 11, and two vertical cylinders 62 pass through the vertical fixed mounting of bolt one-to-one on two vertical guide rails 61, and the output correspondence of vertical cylinder 62 is connected with second number of commentaries on classics roll plate 63.

To the preparation demand of portable plastic bag of different length, need cut the position control through vertical adjustment mechanism 6 to cutting mechanism 7, accomplish step S1 blanking position control back, the relative position of the relative hot pressing bottom sealing mechanism 3 of blanking mechanism 5 is definite, consequently when carrying out step S2 cutting position control operation, blanking mechanism 5 after can the position is confirmed is the reference benchmark, drive two number two commentaries on classics roll-plates 63 and do vertical displacement motion along vertical guide rail 61 through starting two vertical cylinders 62, thereby after accomplishing the position control to cutting mechanism 7, make and cut out sword 75 just can cut out the segmentation at portable plastic bag bottom and sack hookup location.

The material belt conveying mechanism 2 comprises a feed roller 21 which is rotatably installed between two vertical plates 11 and two limiting rings 22 which are arranged on the feed roller 21 in a sliding mode, the feed roller 21 is higher than a first conveying roller 35, two key grooves 211 which are parallel to the axial direction are formed in the feed roller 21, and the limiting rings 22 and the two key grooves 211 are arranged in a sliding fit mode. When carrying the plastic bag material area to the portable plastic bag of different width, need be through two spacing rings 22 of slide adjusting for the plastic bag material area can be carried between two spacing rings 22 placed in the middle, so that the accuracy of portable hole blanking position.

When step S3 tape conveying is performed, the conveying path of the plastic bag tape is shown in fig. 8, a silica gel sleeve 761 is arranged on the drawing conveying roller 76, the silica gel sleeve 761 is arranged in a tangent manner with the third conveying roller 73 at the lower position, when the plastic bag tape passes through the drawing conveying roller 76 and the third conveying roller 73, on one hand, the drawing conveying roller 76 cooperates with the third conveying roller 73 to drive the plastic bag tape to convey forwards, and on the other hand, the drawing conveying roller 76 presses and conveys the plastic bag tape in a tightened state.

The hot-press bottom sealing mechanism 3 comprises a cross beam plate 31, a hot-press execution cylinder 32, an electric hot-press bottom strip 33, a first backing plate 34 and a first conveying roller 35, the cross beam plate 31 is horizontally and fixedly welded and installed between the two vertical plates 11, the hot-press execution cylinder 32 is fixedly installed at the bottom end of the cross beam plate 31 through a bolt, the electric hot-press bottom strip 33 is horizontally and fixedly installed at the output end of the hot-press execution cylinder 32 through a screw, the first backing plate 34 is horizontally and fixedly welded and connected between the two vertical plates 11, the first backing plate 34 is positioned right above the electric hot-press bottom strip 33, first conveying rollers 35 located at the same horizontal height are distributed on the left side and the right side of the first base plate 34, the two first conveying rollers 35 are rotatably installed between the two vertical plates 11, the horizontal tangent plane of the lower end of each first conveying roller 35 is flush with the lower end face of the first base plate 34 (plastic bags on a conveying path are attached to the first base plate 34 while bypassing the two first conveying rollers 35);

the electric heat sealing bottom strip 33 is the existing heat sealing structure, specifically adopts electric power to heat, in the process of executing step S4 manufacture molding, when the plastic bag material belt is conveyed and is stopped intermittently, the hot pressing bottom sealing mechanism 3 will carry out hot pressing bottom sealing on the plastic bag material belt, thereby as the bottom structure of portable plastic bag at the hot pressing position, specifically, carry out cylinder 32 drive electric heat sealing bottom strip 33 upward movement through starting hot pressing, make electric heat sealing bottom strip 33 compress tightly the plastic bag material belt on backing plate 34, thereby accomplish the hot pressing bottom sealing operation.

The blanking mechanism 5 comprises a first cross beam 51, a second backing plate 52, a second conveying roller 53, a blanking execution cylinder 54 and a female die backing plate assembly 55, wherein the first cross beam 51 and the second backing plate 52 are fixedly connected between the two first roller plates 43 in a welding manner, the first cross beam 51 is positioned on the outer side, the surface of the second backing plate 52 is in a vertical state, the second conveying roller 53 is distributed on the upper side and the lower side of the second backing plate 52, the two second conveying rollers 53 are rotatably installed between the two first roller plates 43, the vertical end surface of the second backing plate 52 facing the first cross beam 51 is flush with the vertical tangent plane of the front ends of the two second conveying rollers 53 (so that a plastic bag material belt on a conveying path can be conveyed by being attached to the second backing plate 52), the blanking execution cylinder 54 is fixedly installed on the outer side wall of the first cross beam 51 through bolts, a waist-shaped punch 541 is arranged at the output end of the blanking execution cylinder 54, a female die hole 521 which is arranged right opposite, the female die backing plate assembly 55 is arranged at the female die hole 521, the female die backing plate assembly 55 comprises a female die backing plate 551, a T-shaped plate 552, guide rods 553 and a tension spring 554, the female die backing plate 551 is matched with the female die hole 521, the female die backing plate 551 and one surface, facing the punch 541, of the second backing plate 52 are flush, the T-shaped plate 552 is fixedly connected to the female die backing plate 551 in a welding mode, two guide rods 553 are arranged on the side, facing away from the punch 541, of the second backing plate 52, the tension spring 554 is correspondingly sleeved on the two guide rods 553, the T-shaped plate 552 and the two guide rods 553 are arranged in a sliding mode, and two ends of the tension.

In the process of performing the manufacturing and forming of step S4, the blanking mechanism 5 performs blanking forming of a waist-shaped hole-shaped hand hole on the plastic bag strip on the conveying path when the conveying is stopped intermittently, specifically, the blanking execution cylinder 54 is started to drive the punch 541 to punch towards the die hole 521 to complete blanking processing of the hand hole, in the blanking process, as the punch 541 punches aligned with the die hole 521, the die cushion plate 551 is pushed, the tension spring 554 is stretched, the die cushion plate 551 plays a role of a cushion plate in the punching process, so that the punch 541 completes blank blanking, and after the blanking is completed, the punch 541 retracts to the initial position, and the tension spring 554 in the stretched state also restores to the initial state, so that the die cushion plate 551 returns to the position flush with the second cushion plate 52 again.

The cutting mechanism 7 comprises a second cross beam 71, a third backing plate 72, a third conveying roller 73, a cutting execution cylinder 74, a cutting knife 75 and a drawing conveying roller 76, wherein the second cross beam 71 and the third backing plate 72 are horizontally welded and fixedly connected between the two second roller plates 63, the second cross beam 71 is positioned right above the third backing plate 72, the third conveying roller 73 with the same horizontal height is distributed at the left side and the right side of the third backing plate 72, the horizontal tangent plane at the upper end of the two third conveying rollers 73 is flush with the upper end surface of the third backing plate 72 (so that a plastic bag material belt can be conveyed forwards by adhering to the third backing plate 72 on a conveying path), the cutting execution cylinder 74 is vertically and fixedly installed at the top end of the second cross beam 71 through bolts, the cutting knife 75 is in a cutting shape, the cutting knife 75 is welded and fixedly installed at the output end of the cutting execution cylinder 74, the cutting knife is positioned right above the third backing plate 72, a long strip-shaped clearance hole 721 is arranged at a position right, the drawing conveying roller 76 is horizontally and rotatably installed between the two second roller plates 63, the drawing conveying roller 76 is located right above the third conveying roller 73 close to the blanking mechanism 5, a silica gel sleeve 761 is arranged on the drawing conveying roller 76, and the silica gel sleeve 761 is in tangential contact with the third conveying roller 73 located below.

In the process of performing the manufacturing and forming of step S4, when the conveying is stopped intermittently, the cutting mechanism 7 will cut the material strip portion that has been subjected to blanking processing on the conveying path, specifically, the cutting execution cylinder 74 is started to drive the cutting knife 75 to move downward, and when the cutting knife 75 extends into the clearance hole 721, the cutting will be completed, so that the cutting and the dividing are performed at the connecting position of the bag bottom and the bag mouth of the plastic bag material strip, thereby obtaining the finished product portable plastic bag.

The device platform is provided with a blanking plate 12 for receiving the cut portable plastic bag, and the blanking plate 12 is positioned at the front side of the cutting mechanism 7. The finished portable plastic bags after being manufactured and formed are stacked and collected on a blanking plate.

s1, blanking position adjustment: the hot-pressing bottom sealing mechanism 3 is taken as a reference standard, and the position of the blanking mechanism 5 is horizontally adjusted through the horizontal adjusting mechanism 4, so that the blanking mechanism 5 is positioned at the blanking position of a hand-held hole of the portable plastic bag to be manufactured and processed;

s2, adjusting the cutting position: taking the blanking mechanism 5 with the blanking position adjusted in the step S1 as a reference, adjusting the position of the cutting mechanism 7 through the vertical adjusting mechanism 6, so that the cutting mechanism 7 is located at the cutting position of the portable plastic bag to be manufactured and processed;

s4, manufacturing and molding: in the process of S3 conveying the material tape, when the conveying is stopped intermittently, the hot-pressing bottom sealing mechanism 3 will perform hot-pressing bottom sealing, the blanking mechanism 5 will perform blanking forming processing of hand-held holes on the material tape portion that has completed bottom sealing on the conveying path, and the cutting mechanism 7 will cut the material tape portion that has completed blanking forming on the conveying path, thereby obtaining the finished hand-held plastic bag.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The utility model provides an automatic manufacturing system of portable plastic bag, includes device frame (1), material area conveying mechanism (2), hot pressing back cover mechanism (3), horizontal adjustment mechanism (4), blanking mechanism (5), vertical adjustment mechanism (6) and cutting mechanism (7), its characterized in that: two vertical plates (11) are arranged on the device frame (1), the material belt conveying mechanism (2), the hot-pressing bottom sealing mechanism (3), the horizontal adjusting mechanism (4), the blanking mechanism (5), the vertical adjusting mechanism (6) and the cutting mechanism (7) are arranged on the two vertical plates (11), the cutting mechanism (7) is positioned above the hot-pressing bottom sealing mechanism (3), and the hot-pressing bottom sealing mechanism (3) is positioned between the material belt conveying mechanism (2) and the blanking mechanism (5); wherein:

the hot-press bottom sealing mechanism (3) comprises a cross beam plate (31), a hot-press execution cylinder (32), an electric-heat bottom sealing strip (33), a first cushion plate (34) and a first conveying roller (35), wherein the cross beam plate (31) is horizontally and fixedly installed between two vertical plates (11), the hot-press execution cylinder (32) is fixedly installed at the bottom end of the cross beam plate (31), the electric-heat bottom sealing strip (33) is horizontally and fixedly installed at the output end of the hot-press execution cylinder (32), the first cushion plate (34) is horizontally and fixedly connected between the two vertical plates (11), the first cushion plate (34) is positioned right above the electric-heat bottom sealing strip (33), the first conveying roller (35) positioned at the same horizontal height is distributed at the left side and the right side of the first cushion plate (34), and the two first conveying rollers (35) are rotatably installed between the two vertical plates (11), the horizontal tangent plane of the lower end of the first conveying roller (35) is flush with the lower end surface of the first backing plate (34);

the horizontal adjusting mechanism (4) comprises two first roller plates (43) capable of horizontally sliding left and right, the blanking mechanism (5) comprises a first cross beam (51), a second backing plate (52), a second conveying roller (53), a blanking execution cylinder (54) and a concave die backing plate assembly (55), the first cross beam (51) and the second backing plate (52) are fixedly connected between the two first roller plates (43), the first cross beam (51) is positioned on the outer side, the surface of the second backing plate (52) is in a vertical state, the second conveying roller (53) is distributed on the upper vertical side and the lower vertical side of the second backing plate (52), the two second conveying rollers (53) are rotatably installed between the two first roller plates (43), the vertical end face of the second backing plate (52) facing to the first cross beam (51) is flush with the vertical tangent plane at the front ends of the two second conveying rollers (53), the blanking execution cylinder (54) is fixedly arranged on the outer side wall of the first cross beam (51), a waist-shaped punch (541) is arranged at the output end of the blanking execution cylinder (54), a female die hole (521) which is opposite to and matched with the punch (541) is arranged at the center of the second backing plate (52), and a female die backing plate component (55) is arranged at the female die hole (521);

the vertical adjusting mechanism (6) comprises two second roller plates (63) capable of vertically sliding up and down, the cutting mechanism (7) comprises a second cross beam (71), a third base plate (72), a third conveying roller (73), a cutting executing cylinder (74), a cutting knife (75) and a drawing conveying roller (76), the second cross beam (71) and the third base plate (72) are horizontally and fixedly connected between the two second roller plates (63), the second cross beam (71) is positioned right above the third base plate (72), the third conveying roller (73) positioned at the same horizontal height is distributed on the left side and the right side of the third base plate (72), the upper horizontal tangent plane of the two third conveying rollers (73) is flush with the upper end face of the third base plate (72), and the cutting executing cylinder (74) is vertically and fixedly installed at the top end of the second cross beam (71), tailor sword (75) and be rectangular form, tailor sword (75) fixed mounting in tailor the output of actuating cylinder (74), it is located to cut the sword No. three backing plates (72) directly over, tractive conveying roller (76) horizontal rotation is installed two between No. two commentaries on classics roller plate (63), tractive conveying roller (76) are located and are close to blanking mechanism (5) No. three conveying roller (73) directly over, be equipped with silica gel cover (761) on tractive conveying roller (76), silica gel cover (761) with be located the below No. three conveying roller (73) tangent contact.

2. The automated portable plastic bag making system according to claim 1, wherein: the material belt conveying mechanism (2) comprises a feeding roller (21) rotatably installed between the two vertical plates (11) and two limiting rings (22) arranged on the feeding roller (21) in a sliding mode, the feeding roller (21) is higher than the first conveying roller (35), two key grooves (211) parallel to the axial direction are formed in the feeding roller (21), and the limiting rings (22) are arranged in a sliding fit mode with the two key grooves (211).

3. The automated portable plastic bag making system according to claim 1, wherein: die backing plate subassembly (55) includes die backing plate (551), T shaped plate (552), guide arm (553) and extension spring (554), die backing plate (551) with die hole (521) match the setting, die backing plate (551) with No. two backing plates (52) towards the one side of drift (541) flushes, T shaped plate (552) fixed connection is in on die backing plate (551) dorsad No. two backing plate (52) are gone up and are equipped with two on the side of drift (541) guide arm (553), two guide arm (553) correspond the cover and are equipped with extension spring (554), T shaped plate (552) and two guide arm (553) slide the setting, extension spring (554) both ends fixed connection be in No. two backing plates (52) with between T shaped plate (552).

4. The automated portable plastic bag making system according to claim 1, wherein: the horizontal adjusting mechanism (4) further comprises two horizontal guide rails (41) and two horizontal cylinders (42), the two horizontal guide rails (41) are fixedly arranged on the outer side walls of the two vertical plates (11) in a one-to-one correspondence manner, the two horizontal cylinders (42) are fixedly arranged on the two horizontal guide rails (41) in a one-to-one correspondence manner, the output end of the horizontal cylinder (42) is correspondingly connected with the first roller plate (43), the vertical adjusting mechanism (6) also comprises two vertical guide rails (61) and two vertical cylinders (62), the two vertical guide rails (61) are vertically and fixedly arranged on the outer side walls of the two vertical plates (11) in a one-to-one correspondence manner, the two vertical cylinders (62) are vertically and fixedly arranged on the two vertical guide rails (61) in a one-to-one correspondence manner, the output end of the vertical cylinder (62) is correspondingly connected with the second rotating roller plate (63).

5. The automated portable plastic bag making system according to claim 1, wherein: and a strip-shaped clearance hole (721) is formed in the position, right below the cutting knife (75), of the third backing plate (72).

6. The automated portable plastic bag making system according to claim 1, wherein: the device table is provided with a blanking plate (12) used for carrying the cut portable plastic bag, and the blanking plate (12) is positioned on the front side of the cutting mechanism (7).

7. A hand-held automated plastic bag making system according to any one of claims 1-6, wherein: the method for automatically manufacturing the portable plastic bag by adopting the manufacturing system comprises the following steps:

s1, blanking position adjustment: the hot-pressing bottom sealing mechanism (3) is used as a reference standard, and the position of the blanking mechanism (5) is horizontally adjusted through the horizontal adjusting mechanism (4), so that the blanking mechanism (5) is positioned at the blanking position of a hand-held hole of the portable plastic bag to be manufactured and processed;

s2, adjusting the cutting position: taking the blanking mechanism (5) with the blanking position adjusted in the step S1 as a reference, and adjusting the position of the cutting mechanism (7) through the vertical adjusting mechanism (6), so that the cutting mechanism (7) is positioned at the cutting position of the portable plastic bag to be manufactured and processed;

s4, manufacturing and molding: in the process of the material belt conveying in the step S3, when the conveying is stopped intermittently, the hot-pressing bottom sealing mechanism (3) performs hot-pressing bottom sealing, the blanking mechanism (5) performs blanking processing of the hand-held hole on the material belt portion which completes bottom sealing on the conveying path, and the cutting mechanism (7) cuts the material belt portion which completes blanking processing on the conveying path, thereby obtaining the finished hand-held plastic bag.