CN113071153A - Plastic bag production equipment with plastic bag flattening function - Google Patents

Abstract

The invention discloses plastic bag production equipment with a plastic bag flattening function, which belongs to the technical field of plastic bag production and comprises a base, a guide mechanism, a tensioning mechanism, a flattening mechanism, a printing mechanism, a drying mechanism, a winding mechanism and a control device, wherein the guide mechanism is fixedly connected to the left side of the top of the base through a bolt, the tensioning mechanism is fixedly connected to the top of the base through a bolt and is positioned on the right side of the guide mechanism, the flattening mechanism is fixedly connected to the upper side of the right side wall of the tensioning mechanism through a bolt, the plastic bag production equipment with the plastic bag flattening function can prevent a plastic bag formed by film blowing from being elongated due to overhigh temperature, avoid damage, avoid edge curling and wrinkles of the plastic bag in the conveying process, ensure that the conveyed plastic bag is more flattened, facilitate subsequent processing and quickly dry the printed plastic bag, the rolling speed is accelerated; the efficiency of plastic bag production is improved.

Description

Plastic bag production equipment with plastic bag flattening function

Technical Field

The invention relates to the technical field of plastic bag production, in particular to plastic bag production equipment with a plastic bag flattening function.

Background

Plastic bags are bags made of plastics as main raw materials, are essential articles in daily life, are often used for containing other articles, are widely used due to the advantages of low price, extremely light weight, large capacity and convenient storage, and are banned from production and use in some countries due to the defects of extremely long degradation period and difficult treatment of the plastic bags.

Need roll up the system to the plastic bag after current plastic bag production and processing is accomplished, plastic bag blown film shaping back, the temperature is higher, directly roll up the system and can cause the plastic bag to be elongated, appear damaged even, the plastic bag material is comparatively soft simultaneously, turn-up and fold appear easily at the in-process plastic bag of rolling up the system, it is level and smooth inadequately, influence follow-up processing, and, when carrying out the seal flower to the plastic bag, need longer processing lines so that the nature of stamp dries, seriously influence the production machining efficiency of plastic bag, we have provided a plastic bag production facility with level and smooth plastic bag function for this reason.

Disclosure of Invention

The invention aims to provide plastic bag production equipment with a plastic bag flattening function, and aims to solve the problems that the existing plastic bag needs to be rolled after being produced and processed, the plastic bag needs to be stretched due to direct rolling after the plastic bag is blown and formed, the plastic bag is soft in material, the plastic bag is prone to edge curling and wrinkling during rolling, the plastic bag is not flat enough, and a longer processing production line is needed to facilitate natural drying of printing when the plastic bag is printed in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a plastic bag production device with a plastic bag leveling function comprises a base, a guide mechanism, a tensioning mechanism, a leveling mechanism, a printing mechanism, a drying mechanism, a rolling mechanism and a control device, wherein the guide mechanism is fixedly connected to the left side of the top of the base through bolts, the tensioning mechanism is fixedly connected to the top of the base through bolts and is positioned on the right side of the guide mechanism, the leveling mechanism is fixedly connected to the upper side of the right side wall of the tensioning mechanism through bolts, the printing mechanism is fixedly connected to the top of the base through bolts and is positioned on the right side of the leveling mechanism, the drying mechanism is fixedly connected to the top of the base through bolts and is positioned on the right side of the printing mechanism, the rolling mechanism is fixedly connected to the right side of the top of the base through bolts, and the control device is fixedly connected to the front side wall of the printing mechanism through bolts, the control device is electrically connected with the guide mechanism, the tensioning mechanism, the leveling mechanism, the printing mechanism, the drying mechanism and the winding mechanism through electric wires.

Preferably, guiding mechanism includes bracing piece, heat dissipation case and installation cover, the heat dissipation case passes through bolt fixed connection and is in between the inside wall upside of bracing piece, the inner chamber top and the bottom of heat dissipation case are inlayed and are had radiator fan, the installation cover passes through bolt fixed connection and is in lateral wall about the heat dissipation case, both sides are rotated about the lateral wall of installation cover and are connected with the guide roll.

Preferably, straining device includes tensioning case, auxiliary roller, electric putter and tensioning roller, the auxiliary roller rotates to be connected between the lateral wall left and right sides around the inner chamber of tensioning case, electric putter passes through bolt fixed connection and is in the middle of the both sides around the inner chamber top of tensioning case, the tensioning roller rotates to be connected between electric putter's the bottom.

Preferably, leveling mechanism includes flattening case, axis of rotation and servo motor, the axis of rotation rotates to be connected between the lateral wall about the inner chamber of flattening case, two of the axis of rotation are a set of, and are equipped with two sets ofly, servo motor passes through bolt fixed connection and is in the top right side front and back side and bottom right side front and back side of flattening case.

Preferably, the right end of the rotating shaft penetrates through the leveling box and extends to the right side wall of the leveling box, a driven gear is fixedly connected with the right end of the rotating shaft, bristles are fixedly connected with the outer side wall of the rotating shaft, a driving gear is fixedly connected with the right end of a power output shaft of the servo motor, and the driving gear and the driven gear rotate in a meshed mode.

Preferably, printing mechanism includes printing table, support frame, electric lift pole and printing clamp plate, the top left and right sides of printing table rotates and is connected with the backing roll, department inlays and has lithography apparatus in the middle of the top of printing table, the support frame passes through bolt fixed connection and is in the middle of the top front and back side of printing table, electric lift pole passes through bolt fixed connection and is in department in the middle of the inside wall top of support frame, the printing clamp plate passes through bolt fixed connection and is in electric lift pole's bottom.

Preferably, stoving mechanism includes the mounting panel, generates heat board, heater and compression roller, the board that generates heat passes through bolt fixed connection and is in the middle of the preceding lateral wall upside of mounting panel, the heater passes through bolt fixed connection and is in the middle of the bottom of the board that generates heat, the compression roller rotates to be connected department in the middle of the preceding lateral wall of mounting panel, and is located the upside of the board that generates heat.

Preferably, winding mechanism includes support column, rolling axle and driving motor, the rolling axle rotates to be connected between the inside wall upside of support column, driving motor passes through bolt fixed connection at the rear side wall upside of support column, driving motor's power output shaft runs through the rear side the support column extends to the rear side the preceding lateral wall of support column, and the rear end of fixed connection rolling axle.

Compared with the prior art, the invention has the beneficial effects that:

1. this plastic bag production facility with level plastic bag function, use through guiding mechanism, pass the installation cover through the plastic bag after will blowing membrane, pass from the middle department of two guide rolls in the left side, pass the heat dissipation case again, pass from the middle department of two guide rolls in the right side at last, when the plastic bag is rolled up and is carried, start radiator fan, carry out rapid cooling to the plastic bag in carrying through two radiator fan about the heat dissipation incasement chamber, can control the plastic bag through the guide roll and can carry out directional transport in the cooling, the plastic bag that never can avoid blowing membrane shaping is prolonged because of the high temperature, avoid appearing the damage.

2. The plastic bag production equipment with the plastic bag flattening function drives the tensioning roller to move up and down through the matching use of the tensioning mechanism and the flattening mechanism and the electric push rod, the tension of the plastic bag between the auxiliary roller and the tension roller is adjusted, meanwhile, two rotating shafts at the front side in the leveling box are driven to rotate relatively by the rotation of servo motors at the front sides of the top and the bottom of the leveling box, the two rotating shafts at the rear side in the flattening box are driven to rotate relatively by the rotation of the servo motors at the top and the rear side at the bottom of the flattening box, the two rotating shafts at the front side and the two rotating shafts at the rear side rotate relatively, the plastic bag conveyed between the upper rotating shaft and the lower rotating shaft is rotated, the plastic bag is brushed flat by the brush hairs on the rotating shafts, therefore, the plastic bag can be prevented from being curled and folded in the conveying process, the conveyed plastic bag is more smooth, and the subsequent processing is facilitated.

3. The plastic bag production equipment with the plastic bag flattening function is used by matching the printing mechanism, the drying mechanism and the winding mechanism, the printing press plate is driven to descend by the electric lifting rod, the plastic bag in operation is extruded by the printing press plate, the pattern is printed on the bottom of the plastic bag by the printing equipment, the plastic bag is tightly pressed and conveyed by the compression roller after printing is finished, the heating plate is heated by the heater through electricity, the printing on the plastic bag is dried by the heat emitted by the heating plate, the dried plastic bag is rolled by the winding shaft under the drive of the driving motor, so that the printed plastic bag can be rapidly dried, and the rolling speed is increased; the efficiency of plastic bag production is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic top cross-sectional view of the present invention;

FIG. 4 is a schematic view of the leveling mechanism of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

In the figure: 100. a base; 200. a guide mechanism; 210. a support bar; 220. a heat dissipation box; 221. a heat radiation fan; 230. mounting a cover; 231. a guide roller; 300. a tensioning mechanism; 310. a tensioning box; 320. an auxiliary roller; 330. an electric push rod; 340. a tension roller; 400. a leveling mechanism; 410. flattening the box; 420. a rotating shaft; 421. a driven gear; 422. brushing; 430. a servo motor; 431. a driving gear; 500. a printing mechanism; 510. a printing table; 511. a support roller; 512. a printing device; 520. a support frame; 530. an electric lifting rod; 540. printing a pressing plate; 600. a drying mechanism; 610. mounting a plate; 620. a heat generating plate; 630. a heater; 640. a compression roller; 700. a winding mechanism; 710. a support pillar; 720. a winding shaft; 730. a drive motor; 800. and a control device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: a plastic bag production device with a plastic bag flattening function comprises a base 100, a guide mechanism 200, a tensioning mechanism 300, a flattening mechanism 400, a printing mechanism 500, a drying mechanism 600, a rolling mechanism 700 and a control device 800, wherein the guide mechanism 200 is fixedly connected to the left side of the top of the base 100 through bolts, the tensioning mechanism 300 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the guide mechanism 200, the flattening mechanism 400 is fixedly connected to the upper side of the right side wall of the tensioning mechanism 300 through bolts, the printing mechanism 500 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the flattening mechanism 400, the drying mechanism 600 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the printing mechanism 500, the rolling mechanism 700 is fixedly connected to the right side of the top of the base 100 through bolts, and the control device 800, the control device 800 is electrically connected with the guide mechanism 200, the tensioning mechanism 300, the leveling mechanism 400, the printing mechanism 500, the drying mechanism 600 and the winding mechanism 700 through electric wires, the guide mechanism 200 comprises a support rod 210, a heat dissipation box 220 and a mounting cover 230, the heat dissipation box 220 is fixedly connected between the upper sides of the inner side walls of the support rod 210 through bolts, the heat dissipation fans 221 are embedded at the top and the bottom of the inner cavity of the heat dissipation box 220, the mounting cover 230 is fixedly connected with the left side wall and the right side wall of the heat dissipation box 220 through bolts, the upper side and the lower side of the outer side wall of the mounting cover 230 are rotatably connected with guide rollers 231, a plastic bag after film blowing passes through the mounting cover 230, passes through the middle parts of the two guide rollers 231 on the left side, then passes through the heat dissipation box 220, and finally passes through the middle parts of the two guide rollers 231 on the right side, when the plastic bag is rolled and, can control the plastic bag through guide roll 231 and can carry out directional transport when the cooling, can avoid blow molded plastic bag never to be elongated because of the high temperature, avoid appearing the damage.

Example two:

referring to fig. 2, fig. 4 and fig. 5, the present invention provides a technical solution: a plastic bag production device with a plastic bag flattening function comprises a base 100, a guide mechanism 200, a tensioning mechanism 300, a flattening mechanism 400, a printing mechanism 500, a drying mechanism 600, a rolling mechanism 700 and a control device 800, wherein the guide mechanism 200 is fixedly connected to the left side of the top of the base 100 through bolts, the tensioning mechanism 300 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the guide mechanism 200, the flattening mechanism 400 is fixedly connected to the upper side of the right side wall of the tensioning mechanism 300 through bolts, the printing mechanism 500 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the flattening mechanism 400, the drying mechanism 600 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the printing mechanism 500, the rolling mechanism 700 is fixedly connected to the right side of the top of the base 100 through bolts, and the control device 800, the control device 800 is electrically connected with the guide mechanism 200, the tensioning mechanism 300, the leveling mechanism 400, the printing mechanism 500, the drying mechanism 600 and the winding mechanism 700 through electric wires, the tensioning mechanism 300 comprises a tensioning box 310, an auxiliary roller 320, an electric push rod 330 and a tensioning roller 340, the auxiliary roller 320 is rotatably connected between the left side and the right side of the front side wall and the rear side wall of the inner cavity of the tensioning box 310, the electric push rod 330 is fixedly connected at the middle of the front side and the rear side of the top of the inner cavity of the tensioning box 310 through bolts, the tensioning roller 340 is rotatably connected between the bottom ends of the electric push rod 330, the leveling mechanism 400 comprises a leveling box 410, a rotating shaft 420 and a servo motor 430, the rotating shaft 420 is rotatably connected between the left side wall and the right side wall of the inner cavity of the leveling box 410, two groups of rotating shafts 420 are arranged, the servo motor 430 is fixedly connected at the front side and the rear side of the top right side and the, and is fixedly connected with a driven gear 421, the outer side wall of the rotating shaft 420 is fixedly connected with brush hair 422, the right end of the power output shaft of the servo motor 430 is fixedly connected with a driving gear 431, the driving gear 431 is meshed with the driven gear 421 to rotate, when the plastic bag is conveyed, the tension roller 340 is driven to move up and down through the electric push rod 330, the tension of the plastic bag between the auxiliary roller 320 and the tension roller 340 is adjusted, meanwhile, the front two rotating shafts 420 at the front side in the flattening box 410 are driven to rotate oppositely through the rotation of the servo motor 430 at the front side of the top and the bottom of the flattening box 410, the rear two rotating shafts 420 in the flattening box 410 are driven to rotate oppositely through the rotation of the servo motor 430 at the rear side of the top and the bottom of the flattening box 410, and the two rotating shafts 420 at the front side and the two rotating shafts 420 at the rear side rotate oppositely through the, the plastic bag that carries between upper and lower axis of rotation 420 rotates, and brush hair 422 through axis of rotation 420 flattens the plastic bag to can avoid the plastic bag to appear turn-ups and fold at the in-process of carrying, the plastic bag of carrying is more level and more smooth, the follow-up processing of being convenient for.

Example three:

referring to fig. 2, fig. 3 and fig. 6, the present invention provides a technical solution: a plastic bag production device with a plastic bag flattening function comprises a base 100, a guide mechanism 200, a tensioning mechanism 300, a flattening mechanism 400, a printing mechanism 500, a drying mechanism 600, a rolling mechanism 700 and a control device 800, wherein the guide mechanism 200 is fixedly connected to the left side of the top of the base 100 through bolts, the tensioning mechanism 300 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the guide mechanism 200, the flattening mechanism 400 is fixedly connected to the upper side of the right side wall of the tensioning mechanism 300 through bolts, the printing mechanism 500 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the flattening mechanism 400, the drying mechanism 600 is fixedly connected to the top of the base 100 through bolts and is positioned on the right side of the printing mechanism 500, the rolling mechanism 700 is fixedly connected to the right side of the top of the base 100 through bolts, and the control device 800, the control device 800 is electrically connected with the guide mechanism 200, the tensioning mechanism 300, the leveling mechanism 400, the printing mechanism 500, the drying mechanism 600 and the winding mechanism 700 through electric wires, the printing mechanism 500 comprises a printing table 510, a support frame 520, an electric lifting rod 530 and a printing press plate 540, the left side and the right side of the top of the printing table 510 are rotatably connected with support rollers 511, a printing device 512 is embedded in the middle of the top of the printing table 510, the support frame 520 is fixedly connected with the middle of the front side and the rear side of the top of the printing table 510 through bolts, the electric lifting rod 530 is fixedly connected with the middle of the top of the inner side wall of the support frame 520 through bolts, the printing press plate 540 is fixedly connected with the bottom end of the electric lifting rod 530 through bolts, the drying mechanism 600 comprises a mounting plate 610, a heating plate 620, a heater 630 and a press roller 640, the heating plate 620 is fixedly connected with the middle of, the compression roller 640 is rotatably connected to the middle of the front side wall of the mounting plate 610 and located on the upper side of the heating plate 620, the winding mechanism 700 comprises a support column 710, a winding shaft 720 and a driving motor 730, the winding shaft 720 is rotatably connected between the upper sides of the inner side walls of the support column 710, the driving motor 730 is fixedly connected to the upper side of the rear side wall of the rear side support column 710 through bolts, a power output shaft of the driving motor 730 penetrates through the rear side support column 710 and extends to the front side wall of the rear side support column 710 and is fixedly connected to the rear end of the winding shaft 720, the flattened plastic bag runs on the printing table 510 through a support roller 511, the printing press plate 540 is driven to descend through an electric lifting rod 530, the plastic bag in running is extruded through the printing press plate 540, a pattern is printed to the bottom of the plastic bag through a printing device 512, the plastic bag is compressed and conveyed through the compression roller 640, the printing on the plastic bag is dried by the heat emitted by the heating plate 620, and the plastic bag is rolled by the rolling shaft 720 under the drive of the driving motor 730 after the drying is finished, so that the printed plastic bag can be quickly dried, and the rolling speed is increased; the efficiency of plastic bag production is improved.

When in specific use, when a person in the technical field produces and processes plastic bags, the equipment is communicated with an external power supply, the plastic bags formed by film blowing sequentially pass through the guide roller 231, the heat dissipation box 220, the auxiliary roller 320, the tensioning roller 340, the rotating shaft 420, the printing table 510, the supporting roller 511 and the pressing roller 640, the plastic bags are fixed on the winding shaft 720, the equipment is started through the control device 800, the driving motor 730 drives the winding shaft 720 to wind the plastic bags, when the plastic bags are conveyed, the heat dissipation fan 221 is started, the conveyed plastic bags are rapidly cooled through the upper heat dissipation fan 221 and the lower heat dissipation fan 221 in the inner cavity of the heat dissipation box 220, the plastic bags can be controlled to be directionally conveyed through the guide roller 231 while being cooled, the tensioning roller 340 is driven to move up and down through the electric push rod 330, and the tension between the auxiliary roller 320 and the tensioning roller 340 is adjusted, meanwhile, the two rotating shafts 420 at the front side in the flattening box 410 are driven to rotate relatively by the rotation of the servo motors 430 at the front side of the top and the bottom of the flattening box 410, the two rotating shafts 420 at the rear side in the flattening box 410 are driven to rotate relatively by the rotation of the servo motors 430 at the rear side of the top and the bottom of the flattening box 410, the two rotating shafts 420 at the front side and the two rotating shafts 420 at the rear side rotate relatively by the meshing rotation of the driving gear 431 and the driven gear 421, the plastic bag conveyed between the upper rotating shaft 420 and the lower rotating shaft 420 is rotated, the plastic bag is flattened by the bristles 422 on the rotating shafts 420, the flattened plastic bag runs on the printing table 510 through the supporting rollers 511, the printing press plate 540 is driven to descend by the electric lifting rod 530, the plastic bag in running is pressed by the printing press plate 540, the pattern is printed at the bottom of the plastic bag by the printing device 512, the plastic bag is pressed and conveyed by the, the heater 630 is electrified to heat the heating plate 620, the printing on the plastic bag is dried by the heat emitted by the heating plate 620, and the plastic bag is rolled by the rolling shaft 720 under the drive of the driving motor 730.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides a plastic bag production facility with level plastic bag function which characterized in that: comprises a base (100), a guide mechanism (200), a tensioning mechanism (300), a leveling mechanism (400), a printing mechanism (500), a drying mechanism (600), a winding mechanism (700) and a control device (800), wherein the guide mechanism (200) is fixedly connected to the left side of the top of the base (100) through bolts, the tensioning mechanism (300) is fixedly connected to the top of the base (100) through bolts and is positioned at the right side of the guide mechanism (200), the leveling mechanism (400) is fixedly connected to the upper side of the right side wall of the tensioning mechanism (300) through bolts, the printing mechanism (500) is fixedly connected to the top of the base (100) through bolts and is positioned at the right side of the leveling mechanism (400), the drying mechanism (600) is fixedly connected to the top of the base (100) through bolts and is positioned at the right side of the printing mechanism (500), winding mechanism (700) is in through bolt fixed connection the top right side of base (100), controlling means (800) are in through bolt fixed connection the preceding lateral wall of printing mechanism (500), controlling means (800) pass through the electric wire with guiding mechanism (200) straining device (300) leveling mechanism (400) printing mechanism (500) stoving mechanism (600) with winding mechanism (700) electric connection.

2. The plastic bag producing apparatus having a function of flattening a plastic bag according to claim 1, wherein: guiding mechanism (200) are including bracing piece (210), heat dissipation case (220) and installation cover (230), heat dissipation case (220) are in through bolt fixed connection between the inside wall upside of bracing piece (210), the inner chamber top and the bottom of heat dissipation case (220) are inlayed and are had radiator fan (221), installation cover (230) are in through bolt fixed connection the lateral wall about heat dissipation case (220), both sides are rotated about the lateral wall of installation cover (230) and are connected with guide roll (231).

3. The plastic bag producing apparatus having a function of flattening a plastic bag according to claim 1, wherein: straining device (300) are including tensioning case (310), auxiliary roller (320), electric putter (330) and tensioning roller (340), auxiliary roller (320) rotate to be connected between the lateral wall left and right sides around the inner chamber of tensioning case (310), electric putter (330) pass through bolt fixed connection and be in department in the middle of both sides around the inner chamber top of tensioning case (310), tensioning roller (340) rotate to be connected between the bottom of electric putter (330).

4. The plastic bag producing apparatus having a function of flattening a plastic bag according to claim 1, wherein: flattening mechanism (400) are including flattening case (410), axis of rotation (420) and servo motor (430), axis of rotation (420) rotate to be connected between the lateral wall about the inner chamber of flattening case (410), two of axis of rotation (420) are a set of, and are equipped with two sets ofly, servo motor (430) pass through bolt fixed connection in the side and side around the top right side and the bottom right side of flattening case (410) are preceding and following.

5. The plastic bag producing apparatus having a function of flattening a plastic bag according to claim 4, wherein: the right-hand member of axis of rotation (420) runs through flattening case (410) and extends to the right side wall of flattening case (410), and fixedly connected with driven gear (421), the lateral wall fixedly connected with brush hair (422) of axis of rotation (420), the power output shaft right-hand member fixedly connected with driving gear (431) of servo motor (430), driving gear (431) with driven gear (421) meshing rotation.

6. The plastic bag producing apparatus having a function of flattening a plastic bag according to claim 1, wherein: printing mechanism (500) is including printing platform (510), support frame (520), electric lift pole (530) and printing clamp plate (540), the top left and right sides of printing platform (510) is rotated and is connected with backing roll (511), department inlays in the middle of the top of printing platform (510) has lithography apparatus (512), support frame (520) are in through bolt fixed connection department in the middle of the top front and back side of printing platform (510), electric lift pole (530) are in through bolt fixed connection department in the middle of the inside wall top of support frame (520), printing clamp plate (540) are in through bolt fixed connection the bottom of electric lift pole (530).

7. The plastic bag producing apparatus having a function of flattening a plastic bag according to claim 1, wherein: drying mechanism (600) includes mounting panel (610), generates heat board (620), heater (630) and compression roller (640), generate heat board (620) through bolt fixed connection in the middle of the preceding lateral wall upside of mounting panel (610), heater (630) through bolt fixed connection in the middle of the bottom of generating heat board (620), compression roller (640) rotate to be connected in the middle of the preceding lateral wall of mounting panel (610), and be located the upside of generating heat board (620).

8. The plastic bag producing apparatus having a function of flattening a plastic bag according to claim 1, wherein: winding mechanism (700) includes support column (710), rolling axle (720) and driving motor (730), rolling axle (720) rotate to be connected between the inside wall upside of support column (710), driving motor (730) pass through bolt fixed connection at the rear side the rear wall upside of support column (710), the power output shaft of driving motor (730) runs through the rear side support column (710) and extend to the rear side the preceding lateral wall of support column (710), and the rear end of fixed connection rolling axle (720).

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