CN111873549B - Manufacturing and processing method of plastic packaging bag - Google Patents
Manufacturing and processing method of plastic packaging bag Download PDFInfo
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- CN111873549B CN111873549B CN202010768033.6A CN202010768033A CN111873549B CN 111873549 B CN111873549 B CN 111873549B CN 202010768033 A CN202010768033 A CN 202010768033A CN 111873549 B CN111873549 B CN 111873549B
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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
- B31B70/25—Surface scoring
- B31B70/252—Surface scoring using presses or dies
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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
- B31B70/26—Folding sheets, blanks or webs
- B31B70/52—Folding sheets, blanks or webs by reciprocating or oscillating members other than plungers and dies, e.g. by fingers
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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
- B31B70/74—Auxiliary operations
- B31B70/76—Moistening; Drying; Cooling; Heating
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Abstract
The invention provides a manufacturing and processing method of a plastic packaging bag, which comprises the operation of matching a frame body, two combining plates, a crease unit, a fixing frame, a connecting cylinder, a crease frame and an aligning unit.
Description
Technical Field
The invention relates to the technical field of plastic packaging bag manufacturing and processing, in particular to a plastic packaging bag manufacturing and processing method.
Background
The plastic packaging bag is a packaging bag which takes plastic as a raw material and is used for producing various articles in daily life, is widely used in daily life and industrial production, and needs to be subjected to edge sealing treatment after a flat plastic sheet is folded in half in the manufacturing and processing of the plastic packaging bag.
However, traditional banding equipment is direct utilizes mechanical structure to carry out the fifty percent discount by force with plastic sheet, and the consequence that does not lead to plastic sheet pre-compaction trace often is that the crease is uneven for the bottom unevenness of wrapping bag, and the fifty percent discount easily arouses the dislocation of plastic sheet, thereby the crease and original fifty percent discount position skew appear, and traditional heat seal banding in-process, because the temperature is higher, the position of banding often glues with banding equipment and is in the same place.
Disclosure of Invention
In order to solve the problems, the invention provides a plastic packaging bag manufacturing and processing method which can solve the problems that a traditional edge sealing device directly folds a plastic sheet in a forced manner by using a mechanical structure, the folding lines are uneven without prepressing marks on the plastic sheet, the bottom of the packaging bag is uneven, the plastic sheet is easy to misplace due to forced folding, the folding lines deviate from the original folding positions, the edge sealing positions and the edge sealing device are often adhered together due to high temperature in the traditional heat sealing edge sealing process, and the like.
In order to achieve the above object, the present invention adopts the following technical solutions, and a method for manufacturing and processing a plastic packaging bag uses an indentation edge sealing device, which includes a frame body, two merging plates, a crease unit, a fixing frame, a connecting cylinder, a crease frame, and an aligning unit, and the method for manufacturing and processing a plastic packaging bag using the indentation edge sealing device is as follows:
s1, air suction: adjusting the distance between the two limiting plates, flatly placing the plastic sheets on the combining plate, and adsorbing the lower end surfaces of the plastic sheets in an air suction mode;
s2, indentation: the folding line frame is driven to adjust the angle forwards through the connecting air cylinder, the lifting block is extruded by the folding line frame with the adjusted angle to descend, and two extrusion mechanisms are driven to extrude two ends of the folded position of the plastic sheet in opposite directions under the coordination of the gear and the rack, so that obvious folding lines are generated;
s3, edge sealing and forming: after indentation, the folding line frame is driven by the connecting air cylinder to adjust and reset the backward angle, the air-sucked plastic sheet is folded in half by the two folding plates, and the front end and the rear end of the folded plastic sheet are subjected to heat sealing edge sealing by the edge sealing mechanism, so that a packaging bag is formed;
s4, repeating the processing: after the seal is completed, the two combination panels are pulled and repositioned to separate the bag, and the steps S1-S3 are repeated to crease seal the next plastic sheet.
Two close boards are installed at both ends about the framework is inside, and the mid-mounting of framework has the crease unit, and the mount is installed to the rear end of framework, even has the connection cylinder through the round pin hub connection between the middle part of mount and crease frame, for the round pin hub connection between the lower extreme of crease frame and the framework, the top of framework is equipped with the alignment unit.
The combined plate comprises a plate body, a suction pump, a rubber layer, a pushing cylinder, a built-in spring, a push rod, a driven gear and two edge sealing mechanisms, wherein the plate body is connected with the frame body through a pin shaft, the suction pump is installed on the lower side of the outer end of the plate body, the rubber layer is paved on the upper end of the plate body, the contact between the rubber layer and a plastic sheet increases the resistance between the plate body and the frame body, the plastic sheet is favorably attached, the pushing cylinder is connected between the plate body and the frame body through the pin shaft, a movable groove is formed in the inner end of the plate body, the movable groove is connected with the push rod in a sliding fit mode, the built-in spring is connected between the push rod and the movable groove, the lower side of the inner end of the plate body is connected with the driven gear through the pin shaft, the two edge sealing mechanisms are embedded into the front end and the rear end of the plate body, when the combined plate works, the plastic sheet is flatly placed on the combined plate, the plastic sheet is tightly absorbed on the rubber layer through the suction pump, after the plastic sheet is indented, two plate bodies are driven by two pushing cylinders to adjust angles in opposite directions, so that the plastic sheets are folded, and then the front and rear ends of the plastic sheets are subjected to flat pressing and edge sealing by an edge sealing mechanism, so that a packaging bag is formed.
The crease unit include the fixing base, the telescopic link, the elevator, two cooperation racks and two extrusion mechanisms, the lower extreme at the framework is installed to the fixing base, the fixing base passes through the telescopic link and is connected with the elevator, the telescopic link plays flexible effect that resets, install two cooperation racks on the left and right sides wall of elevator, be the engaged state between cooperation rack and the driven gear, two extrusion mechanisms are installed to the upper end of elevator, and two extrusion mechanism bilateral symmetry arrange, concrete during operation, the elevator receives to descend after the extrusion, thereby drive two extrusion mechanisms and push to the fifty percent discount department both ends of plastic wafer in opposite directions motion under rack's effect.
The aligning unit include two limiting plates, slide bar, rotation post, two connecting plates, the rear end at the framework is installed to the slide bar, both ends are connected with the rear end of two limiting plates through sliding fit's mode about the slide bar, the front end and the rotation post of limiting plate are connected, the rotation post passes through the bearing and is connected with two connecting plates, the front end at the framework is installed to the connecting plate, concrete during operation rotates the post through rotating to drive two limiting plate opposite motion or opposite movement, and then carry on spacingly to the length of plastic flake.
The air inlet cavity is formed in the plate body, air holes are uniformly formed in the rubber layer, the air holes are communicated with the air inlet cavity, and the air inlet cavity is communicated with the air suction pump through a connecting pipe.
The lower end of the push rod is provided with a connecting rack, the connecting rack and the driven gear are in a meshed state, inner grooves are uniformly formed in the inner end of the push rod, and balls are placed in the inner grooves.
Wherein, banding mechanism include the embedding frame, the cooling chamber, the gas storage chamber, the heat-conducting plate, the cooling chamber, the operating cylinder, sealed piece, the screens frame, the heating pipe, connecting rod and work air pump, be connected for the embedding between embedding frame and the plate body, the cooling chamber has been seted up to the inside of embedding frame, the gas storage chamber is located the outside in cooling chamber, the heat-conducting plate is installed to the upper end of embedding frame, the cooling chamber has been seted up to heat-conducting plate inside, the inside operating cylinder that passes through of embedding frame is connected with the screens frame, screens frame internally mounted has the heating pipe, the lower extreme middle part of screens frame is passed through the connecting rod and is connected with sealed piece, be sliding fit between the middle part in sealed piece and cooling chamber and be connected, install the work air pump on the embedding frame, be the intercommunication relation between work air pump and the gas storage chamber.
Wherein, the cooling cavity is injected with cooling liquid, and the side wall of the sealing block is tightly attached to the inner wall of the cooling cavity.
The extrusion mechanism comprises an extrusion block, a connecting spring, a resisting plate and a working spring, the extrusion block is connected with the lifting block in a sliding fit mode, the connecting spring is connected between the extrusion block and the lifting block, the inner end of the extrusion block is connected with the upper end of the resisting plate through a hinge, and the middle of the resisting plate is connected with the extrusion block through the working spring.
The middle part of the extrusion block is provided with a buffer layer, and the buffer layer is made of rubber materials.
The left end and the right end of the rotating column are provided with two sections of threads, the directions of the two sections of threads are opposite, each section of thread is provided with a limiting plate, and the front end of the frame body is provided with two sections of scale marks.
The invention has the beneficial effects that:
according to the manufacturing and processing method of the plastic packaging bag, pre-indentation treatment is carried out on the folded position of the plastic sheet, the definition degree of indentation is improved through a dual mode of pressing down and extruding at two sides, the situation of sheet displacement caused by forced folding is avoided, the sticking possibility between the edge sealing position and the heat conducting plate is reduced by adopting a liquid cooling mode during edge sealing, and the number of defective products is reduced;
secondly, the plastic packaging bag manufacturing and processing method provided by the invention is characterized in that the combining plate sucks and fixes the plastic sheet in an air suction mode, the interior of the heat conducting plate is rapidly cooled in a cooling liquid injection mode during edge sealing, the cooled heat conducting plate is beneficial to cooling and shaping at the edge sealing position and separation between the heat conducting plate and the packaging bag, and after the heat conducting plate is separated from the packaging bag, the cooling liquid flows back, and the heat conducting plate is preheated again;
thirdly, the crease unit carries out pre-creasing on the thin sheet by adopting a structural linkage design concept, and the folded part of the thin sheet is pressed down and then is extruded oppositely, so that the purposes of appearing and deepening traces are achieved, and the folding difficulty is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a method of manufacturing and processing a plastic packaging bag;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view (from left to right) of the edge banding mechanism of the present invention;
FIG. 5 is an enlarged view of the X-direction detail of FIG. 3 of the present invention;
fig. 6 is a partial enlarged view of the invention in the Y direction of fig. 3.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 6, a method for manufacturing and processing a plastic packaging bag uses an indentation edge sealing device, which includes a frame 1, two combining plates 2, a crease unit 3, a fixing frame 4, a connecting cylinder 5, a crease frame 6, and an aligning unit 7, and the method for manufacturing and processing a plastic packaging bag using the indentation edge sealing device is as follows:
s1, air suction: adjusting the distance between the two limiting plates 71, flatly placing the plastic sheets on the combining plate 2, and adsorbing the lower end surfaces of the plastic sheets in an air suction mode;
s2, indentation: the connecting cylinder 5 drives the crease frame 6 to adjust the angle forwards, the crease frame 6 with the adjusted angle extrudes the lifting block 33 to descend, and the two extrusion mechanisms 35 are driven to extrude the two ends of the folded position of the plastic sheet in opposite directions under the coordination of the gear and the rack, so that obvious creases are generated;
s3, edge sealing and forming: after indentation, the air cylinder 5 is connected to drive the crease frame 6 to adjust and reset the backward angle, the air-sucked plastic sheet is folded in half through the two folding plates 2, and the front end and the rear end of the folded plastic sheet are subjected to heat sealing and edge sealing through the edge sealing mechanism 28, so that a packaging bag is formed;
s4, repeating the processing: after the edge seal, the two combining plates 2 are pulled and reset to be separated from the packaging bag, and the steps S1-S3 are repeated to perform the indentation edge seal on the next plastic sheet.
Two close board 2 are installed at both ends about framework 1 is inside, and the mid-mounting of framework 1 has crease unit 3, and mount 4 is installed to the rear end of framework 1, has connection cylinder 5 through the round pin hub connection between the middle part of mount 4 and crease frame 6, is the round pin hub connection between the lower extreme of crease frame 6 and the framework 1, and the top of framework 1 is equipped with alignment unit 7.
The combined plate 2 comprises a plate body 21, a suction pump 22, a rubber layer 23, a pushing cylinder 24, a built-in spring 25, a pushing rod 26, a driven gear 27 and two edge sealing mechanisms 28, wherein the plate body 21 is connected with the frame body 1 through a pin shaft, the suction pump 22 is installed on the lower side of the outer end of the plate body 21, the rubber layer 23 is laid on the upper end of the plate body 21, the rubber layer 23 is in contact with a plastic sheet to increase the resistance between the plate body 21 and the plastic sheet so as to facilitate the adhesion of the plastic sheet, the pushing cylinder 24 is connected between the plate body 21 and the frame body 1 through the pin shaft, a movable groove is formed in the inner end of the plate body 21 and is connected with the pushing rod 26 in a sliding fit mode, the built-in spring 25 is connected between the pushing rod 26 and the movable groove, the lower side of the inner end of the plate body 21 is connected with the driven gear 27 through the pin shaft, the two edge sealing mechanisms 28 are embedded into the front and back two ends of the plate body 21, when the combined plate 2 works, the plastic sheet is flatly placed behind the combined plate 2, the plastic is tightly sucked on the rubber layer 23 through the suction pump 22, after the plastic sheet is indented, the two pushing cylinders 24 drive the two plate bodies 21 to be oppositely angularly adjusted, so that the plastic sheet is folded, and then the front end and the rear end of the plastic sheet are flatly pressed and sealed through the sealing mechanism 28, so that the packaging bag is formed.
Alignment unit 7 include two limiting plates 71, slide bar 72, rotate post 73, two connecting plates 74, slide bar 72 installs the rear end at framework 1, both ends are connected with the rear end of two limiting plates 71 through sliding fit's mode about slide bar 72, the front end and the rotation post 73 of limiting plate 71 are connected, it is connected with two connecting plates 74 through the bearing to rotate post 73, the front end at framework 1 is installed to connecting plate 74, during specific work, through rotating post 73, thereby drive two limiting plates 71 relative motion or opposite movement, and then carry out spacingly to plastic wafer's length.
An air inlet cavity is formed in the plate body 21, air holes are uniformly formed in the rubber layer 23, the air holes are communicated with the air inlet cavity, a connecting pipe is communicated between the air inlet cavity and the air suction pump 22, and the air suction pump 22 sucks external air from the air holes so as to adsorb the lower end face of the plastic sheet.
The lower extreme of catch bar 26 be equipped with the connecting rack, for the engaged state between connecting rack and the driven gear 27, the inner groovy has evenly been seted up to the inner of catch bar 26, has placed the ball in the inner groovy, the setting of ball has reduced and has extrudeed the frictional force between the piece 351.
The edge sealing mechanism 28 comprises an embedded frame 281, a cooling cavity 282, a gas storage cavity 283, a heat conducting plate 284, a cooling cavity 285, a working cylinder 286, a sealing block 287, a clamping frame 288, a heating pipe 289, a connecting rod 290 and a working air pump 291, wherein the embedded frame 281 is connected with the plate body 21 in an embedded manner, the cooling cavity 282 is arranged inside the embedded frame 281, the gas storage cavity 283 is positioned outside the cooling cavity 282, the heat conducting plate 284 is arranged at the upper end of the embedded frame 281, the cooling cavity 285 is arranged inside the heat conducting plate 284, the embedded frame 281 is connected with the clamping frame 288 through the working cylinder 286, the heating pipe 289 is arranged inside the clamping frame 288, the middle part of the lower end of the clamping frame 288 is connected with the sealing block 287 through the connecting rod 290, the sealing block 287 is connected with the middle part of the cooling cavity 282 in a sliding fit manner, the working air pump 291 is arranged on the embedded frame 281, and the working air pump 291 ensures continuous filling of cold air in the gas storage cavity 283, the working air pump 291 is communicated with the air storage cavity 283, and when in specific work, before edge sealing, the temperature of the heat conducting plate 284 is preheated by the heating pipe 289, when the plastic sheet is sucked, the heated heat conduction plate 284 is heat-melted to the front and rear edge portions of the plastic sheet, when the plastic sheet is folded in half, the edges of the front and rear ends of the folded plastic sheet are subjected to heat sealing, the heating pipe 289 is driven by the working cylinder 286 to be away from the heat conducting plate 284 after the sealing, the cooling liquid in the cooling cavity 282 is squeezed into the cooling cavity 285 by the synchronously moving sealing block 287, thereby cooling the heat conducting plate 284, the cooled heat conducting plate 284 is beneficial to cooling and shaping the edge sealing position and separating the heat conducting plate 284 from the packaging bag, after cooling, the combining plate 2 is reset, the working cylinder 286 drives the heating pipe 289 to be preheated close to the heat conducting plate 284 again, the cooling liquid returns to the cooling cavity 282, and the cooling liquid is cooled by the cold air of the air storage cavity 283.
The cooling cavity 282 is filled with cooling liquid, and the side wall of the sealing block 287 and the inner wall of the cooling cavity 282 are in a close fit state, so that the sealing effect is improved.
The extrusion mechanism 35 comprises an extrusion block 351, a connecting spring 352, a propping plate 353 and a working spring 354, the extrusion block 351 is connected with the lifting block 33 in a sliding fit manner, the connecting spring 352 is connected between the extrusion block 351 and the lifting block 33, the inner end of the extrusion block 351 is connected with the upper end of the propping plate 353 through a hinge, the working spring 354 is connected with the middle of the propping plate 353 and the extrusion block 351, the connecting spring 352 and the working spring 354 play a role in resetting, in particular, during working, the fold frame 6 can be pressed at the folded position of a plastic sheet during forward angle adjustment, meanwhile, the lifting block 33 is extruded and descends, under the action of a gear rack, two push rods 26 move oppositely, so that the two extrusion blocks 351 are pushed, two ends of the folded position are pressed through the two propping plates 353, and crease marks are reinforced.
The middle part of the extrusion block 351 is provided with a buffer layer, and the buffer layer is made of rubber materials and plays a role in buffering.
The left end and the right end of the rotating column 73 are provided with two sections of threads, the directions of the two sections of threads are opposite, each section of thread is provided with a limiting plate 71, the front end of the frame body 1 is provided with two sections of scale marks, and the positions of the limiting plates 71 are moved according to the scale marks.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a plastic packaging bag preparation method of processing, its used an indentation banding equipment, this indentation banding equipment includes framework (1), two amalgamation board (2), crease unit (3), mount (4), connection cylinder (5), crease frame (6) and aims at unit (7), its characterized in that: the method for manufacturing and processing the plastic packaging bag by adopting the indentation edge sealing equipment comprises the following steps:
s1, air suction: adjusting the distance between the two limiting plates (71), flatly placing the plastic sheets on the two combining plates (2), and adsorbing the lower end surfaces of the plastic sheets in an air suction mode;
s2, indentation: the folding line frame (6) is driven to adjust the angle forwards through the connecting cylinder (5), the lifting block (33) is extruded by the folding line frame (6) with the adjusted angle to descend, and two extrusion mechanisms (35) are driven to extrude the two ends of the folded position of the plastic sheet in opposite directions under the matching of the gear and the rack, so that obvious folding lines are generated;
s3, edge sealing and forming: after indentation, the folding line frame (6) is driven to adjust and reset the backward angle through the connecting cylinder (5), the air-sucked plastic sheet is folded in half through the two folding plates (2), and the front end and the rear end of the folded plastic sheet are subjected to heat sealing edge sealing through the edge sealing mechanism (28), so that a packaging bag is formed;
s4, repeating the processing: after the edge sealing, the two merging plates (2) are pulled and reset to be separated from the packaging bag, and the steps S1-S3 are repeated to carry out the indentation edge sealing on the next plastic sheet;
two combining plates (2) are mounted at the left end and the right end inside the frame body (1), a crease unit (3) is mounted in the middle of the frame body (1), a fixing frame (4) is mounted at the rear end of the frame body (1), a connecting cylinder (5) is connected between the fixing frame (4) and the middle of a crease frame (6) through a pin shaft, the lower end of the crease frame (6) is connected with the frame body (1) through a pin shaft, and an alignment unit (7) is arranged above the frame body (1);
the combining plate (2) comprises a plate body (21), a suction pump (22), a rubber layer (23), a pushing cylinder (24), a built-in spring (25), a pushing rod (26), a driven gear (27) and two edge sealing mechanisms (28), the plate body (21) is connected with the frame body (1) through a pin shaft, a suction pump (22) is installed on the lower side of the outer end of the plate body (21), a rubber layer (23) is laid on the upper end of the plate body (21), a pushing cylinder (24) is connected between the plate body (21) and the frame body (1) through a pin shaft, a movable groove is formed in the inner end of the plate body (21), the movable groove is connected with a pushing rod (26) in a sliding fit mode, a built-in spring (25) is connected between the pushing rod (26) and the movable groove, the lower side of the inner end of the plate body (21) is connected with a driven gear (27) through a pin shaft, and two edge sealing mechanisms (28) are embedded into the front end and the rear end of the plate body (21);
the lower end of the push rod (26) is provided with a connecting rack, the connecting rack is meshed with the driven gear (27), the inner end of the push rod (26) is uniformly provided with an inner groove, and balls are placed in the inner groove;
the crease unit (3) comprises a fixed seat (31), an expansion rod (32), a lifting block (33), two matching racks (34) and two extrusion mechanisms (35), the fixed seat (31) is installed at the lower end of the frame body (1), the fixed seat (31) is connected with the lifting block (33) through the expansion rod (32), the two matching racks (34) are installed on the left side wall and the right side wall of the lifting block (33), the matching racks (34) and the driven gear (27) are in a meshed state, the two extrusion mechanisms (35) are installed at the upper end of the lifting block (33), and the two extrusion mechanisms (35) are arranged in bilateral symmetry;
aim at unit (7) include two limiting plates (71), slide bar (72), rotate post (73), two connecting plates (74), the rear end at framework (1) is installed in slide bar (72), the rear end of the left and right sides both ends of slide bar (72) through sliding fit's mode and two limiting plates (71) is connected, the front end and the rotation post (73) of limiting plate (71) are connected, it is connected with two connecting plates (74) through the bearing to rotate post (73), the front end at framework (1) is installed in connecting plate (74).
2. The method for manufacturing and processing the plastic packaging bag according to claim 1, wherein the method comprises the following steps: the air intake structure is characterized in that an air intake cavity is formed in the plate body (21), air holes are uniformly formed in the rubber layer (23), the air holes are communicated with the air intake cavity, and a connecting pipe is communicated between the air intake cavity and the air suction pump (22).
3. The method for manufacturing and processing the plastic packaging bag according to claim 1, wherein the method comprises the following steps: the edge sealing mechanism (28) comprises an embedding frame (281), a cooling cavity (282), a gas storage cavity (283), a heat conducting plate (284), a cooling cavity (285), a working cylinder (286), a sealing block (287), a clamping frame (288), a heating pipe (289), a connecting rod (290) and a working air pump (291), wherein the embedding frame (281) is connected with a plate body (21) in an embedding manner, the cooling cavity (282) is arranged inside the embedding frame (281), the gas storage cavity (283) is positioned outside the cooling cavity (282), the heat conducting plate (284) is installed at the upper end of the embedding frame (281), the cooling cavity (285) is arranged inside the heat conducting plate (284), the embedding frame (281) is connected with the clamping frame (288) through the working cylinder (286), the heating pipe (289) is arranged inside the clamping frame (288), the middle part of the lower end of the clamping frame (288) is connected with the clamping block (287) through the connecting rod (290), the sealing block (287) is connected with the middle part of the cooling cavity (282) in a sliding fit manner, a working air pump (291) is installed on the embedded frame (281), and the working air pump (291) is communicated with the air storage cavity (283).
4. The method for manufacturing and processing the plastic packaging bag according to claim 3, wherein the method comprises the following steps: the cooling cavity (282) is filled with cooling liquid, and the side wall of the sealing block (287) is tightly attached to the inner wall of the cooling cavity (282).
5. The method for manufacturing and processing the plastic packaging bag according to claim 1, wherein the method comprises the following steps: extrusion mechanism (35) including extrusion piece (351), connecting spring (352), support board (353) and operating spring (354), be sliding fit between extrusion piece (351) and elevator (33) and be connected, even have connecting spring (352) between extrusion piece (351) and elevator (33), the inner of extrusion piece (351) is connected with the upper end that supports board (353) through the hinge, the middle part that supports board (353) even has operating spring (354) with extrusion piece (351).
6. The method for manufacturing and processing the plastic packaging bag according to claim 5, wherein the method comprises the following steps: the middle part of the extrusion block (351) is provided with a buffer layer, and the buffer layer is made of rubber materials.
7. The method for manufacturing and processing the plastic packaging bag according to claim 1, wherein the method comprises the following steps: the left end and the right end of the rotating column (73) are provided with two sections of threads, the directions of the two sections of threads are opposite, each section of thread is provided with a limiting plate (71), and the front end of the frame body (1) is provided with two sections of scale marks.
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| CN202010768033.6A CN111873549B (en) | 2020-08-03 | 2020-08-03 | Manufacturing and processing method of plastic packaging bag |
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| CN202010768033.6A CN111873549B (en) | 2020-08-03 | 2020-08-03 | Manufacturing and processing method of plastic packaging bag |
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| CN112238651B (en) * | 2020-11-04 | 2022-03-18 | 揭西县绿雅印刷有限公司 | Environment-friendly packaging bag forming processing method |
| WO2022144750A1 (en) * | 2020-12-30 | 2022-07-07 | Speggiorin Lorenzo | Packaging machine for forming doy-pack bags |
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| DE102012001730A1 (en) * | 2012-01-31 | 2013-08-01 | Oli-Spezialanlagen Gmbh | Packaging machine has magazine for collapsed folding boxes and erecting unit for erecting packaging, where erecting unit has drive unit and folding grippers for removing and erecting collapsed folding boxes from magazine |
| CN105922643B (en) * | 2016-06-29 | 2018-06-01 | 温州德源机械有限公司 | The folding assembly of the full-automatic Production line equipment of valve-port packaging bag |
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| CN209305936U (en) * | 2018-11-01 | 2019-08-27 | 青岛理工大学 | Adjustable plastic traceless forming and packaging equipment and system |
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2020
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