CN113306127A

CN113306127A - Plastic garbage bag film blowing forming processing machinery and processing technology

Info

Publication number: CN113306127A
Application number: CN202110660630.1A
Authority: CN
Inventors: 徐楠楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-08-27

Abstract

The invention relates to a plastic garbage bag film blowing forming processing machinery and a processing technology, which comprises a frame plate, a supporting plate, a blow molding machine, a blow molding die head and a cooling air ring, the frame plates are arranged in bilateral symmetry, the support plates are connected between the frame plates together, the blow molding machine is arranged on the support plates, the blow molding die head is arranged on the blow molding machine, the cooling air ring is arranged between the frame plates and is positioned above the blow molding die head, the moving group arranged in the cooling air ring adopted by the invention can enable the air outlet to move when cooling the film bubble, thereby enabling the film bubble moving in the annular cavity plate to be cooled more uniformly, avoiding the phenomenon of nonuniform film bubble cooling caused by the fixed position of the air outlet, and simultaneously avoiding the phenomenon of film bubble deformation caused by wind cooling at the same position, set up cowl in the air outlet, avoided the dust to enter into the cavity between shift ring and annular cavity inter-plate from the air outlet and caused the dust to pile up the phenomenon that is difficult to the clearance.

Description

Plastic garbage bag film blowing forming processing machinery and processing technology

Technical Field

The invention relates to the technical field of plastic garbage bag film blowing forming processing, in particular to a plastic garbage bag film blowing forming processing machine and a processing technology.

Background

The plastic bag is a bag made of plastics (common plastics include polypropylene, polyester, nylon and the like) as main raw materials, is an essential article in daily life of people, is often used for containing other articles, is also called as a garbage bag for containing garbage, provides important guarantee for environmental protection, and is even beneficial to garbage recovery and classification, and is produced by blowing materials into film bubbles through a blowing machine and then cooling and shaping the film bubbles through an air ring to form the plastic garbage bag.

However, the following problems may be encountered during the film blowing and forming process of the plastic garbage bag:

1. when the plastic garbage bag is cooled by the cooling air ring after film blowing forming, the air outlet position of the cooling air ring is fixed, and the blow-formed film bubble moves linearly, so that the film bubble cannot be uniformly cooled, the phenomenon of nonuniform cooling of the film bubble is caused, and the phenomenon of easy deformation of the film bubble is caused by the fact that the same position is cooled by air;

2. when the cooling air ring is stopped to be used, the air outlet is always opened, so that dust is easy to enter the cavity of the cooling air ring from the air outlet, and the phenomenon that the dust is accumulated and is difficult to clean is caused.

Disclosure of Invention

Technical scheme (I)

In order to make up for the defects of the prior art, the invention provides a plastic garbage bag film blowing forming processing machine and a processing technology.

The technical scheme adopted by the invention to solve the technical problem is as follows: a plastic garbage bag film blowing forming processing machine comprises frame plates, supporting plates, a blow molding machine, a blow molding die head and cooling air rings, wherein the frame plates are arranged in a bilateral symmetry mode, the supporting plates are connected between the frame plates together, the blow molding machine is arranged on the supporting plates, the blow molding die head is arranged on the blow molding machine, the cooling air rings are arranged between the frame plates, and the cooling air rings are located above the blow molding die head;

the cooling air ring comprises annular cavity plates, connecting blocks, threaded holes, bolts, annular chutes, C-shaped rings, annular rings, moving rings, air outlets, moving groups, air inlets, air coolers and connecting pipes, the annular cavity plates are arranged between the frame plates, the connecting blocks are arranged at the left and right ends of the outer wall of each annular cavity plate, one ends of the connecting blocks, far away from the annular cavity plates, are tightly attached to the frame plates and are provided with the threaded holes, the bolts are arranged on the end surfaces, far away from the annular cavity plates, of the left and right frame plates, penetrate through the frame plates and are in screwed connection with the threaded holes, annular grooves are formed in the inner annular surfaces of the annular cavity plates, the annular grooves are communicated with the inner cavity of the annular cavity plates, the annular chutes are symmetrically formed in the upper part of the inner wall of the annular groove, the C-shaped rings are arranged in the annular chutes below the annular grooves, and the moving rings are connected between the C-shaped rings together, a cavity is formed between the movable ring and the annular cavity plate, air outlets are equidistantly formed in the movable ring from top to bottom, a movable group is arranged on the annular cavity plate, the air outlets are equidistantly distributed along the circumferential direction of the movable ring, air inlet holes are formed in the outer side wall of the annular cavity plate, an air cooler is mounted on the supporting plate, the air outlet of the air cooler is communicated with the air inlet holes through a connecting pipe,

wherein, the moving group comprises an arc-shaped groove, an arc-shaped driving plate, an arc-shaped rack, a reset spring, a rotating shaft, an incomplete gear and a motor, the arc-shaped groove is formed in the upper end face of the annular cavity plate and is communicated with the annular sliding groove, the arc-shaped driving plate is arranged on the moving ring and is positioned at the opening of the C-shaped ring, the arc-shaped rack is arranged after the arc-shaped driving plate penetrates through the arc-shaped groove, the arc-shaped driving plate is connected with the arc-shaped groove through the reset spring, the arc-shaped rack is positioned on the outer arc surface of the arc-shaped driving plate, the rotating shaft is rotatably connected on the annular cavity plate, the incomplete gear which is intermittently meshed with the arc-shaped rack is sleeved on the rotating shaft, the motor is arranged on the annular cavity plate through a rack, the output shaft of the motor is connected with the rotating shaft, the moving ring performs reciprocating movement under the action of the reset spring and the incomplete gear, so that the position of the air outlet can move, and then make the position of air outlet remove the regulation always for the film bubble cooling that the annular face removed in the annular cavity board can be more even, avoids air outlet rigidity to cause the inhomogeneous phenomenon of film bubble cooling, avoids simultaneously receiving the phenomenon that wind cooling leads to the film bubble to warp in same position.

The C-shaped ring and the annular ring are far away from the end face of the moving ring, arc-shaped grooves are formed in the end face of the moving ring along the circumferential direction at equal intervals, balls are installed in the arc-shaped grooves and are tightly attached to the annular sliding groove, and during operation, the balls reduce friction between the C-shaped ring and the annular ring in the rotating process and the annular sliding groove.

The upper end face and the lower end face of the moving ring are provided with stepped sealing rings, the stepped sealing rings are connected with the annular sliding groove in a sliding mode, the upper stepped sealing rings and the lower stepped sealing rings are respectively attached to the outer annular faces of the C-shaped ring and the annular ring tightly, the stepped sealing rings seal the moving ring and the annular sliding groove during working, and the phenomenon that cold air leaks due to the fact that cold air leaks out of the annular sliding groove in the rotating process of the moving ring is avoided.

The air outlet chucking annular cavity plate is characterized in that one end of the inner annular surface of the air outlet chucking annular cavity plate is provided with an air blowing nozzle, the air blowing nozzle is of a square structure, the upper end surface and the lower end surface of the air blowing nozzle are inclined upward end surfaces, cold air blows along the moving direction of the film bubble in the inclined upward direction of the end surfaces of the air blowing nozzle, the film bubble is convenient to form, and the phenomenon that the film bubble deforms when the film bubble is cooled by the cold air is avoided.

Wherein, the inner wall longitudinal symmetry of air outlet articulated have cowl, install the torsional spring between cowl and the air outlet inner wall, the opposite face of two cowl about offsets tightly, the limiting plate is all installed from top to bottom to the inner wall of air outlet, the limiting plate is located cowl and keeps away from one side of blowing nozzle, cowl resets under the effect of torsional spring to close the air outlet, avoid the dust to cause the dust to pile up the phenomenon that is difficult to the clearance from the air outlet enters into the cavity between shift ring and the annular cavity board.

The end cover is installed to the one end that the air blowing nozzle kept away from the air outlet, the inclined hole has been seted up on the end cover, the inclined hole is the matrix and arranges, and the inclined hole is the ascending structure of slope, the inclined hole makes the cooling air that cold wind blew off more even, makes the film bubble refrigerated more even simultaneously.

Wherein, the interior anchor ring of shift ring the up-and-down symmetry seted up the mounting groove, the mounting groove is arranged along shift ring circumference equidistance, and mounting groove and air outlet crisscross arrange, install the slip pearl in the mounting groove, the slip pearl reduces the frictional force between shift ring and the membrane bubble.

In addition, the invention also provides a plastic garbage bag film blowing forming processing technology, which comprises the following steps:

s1, forming and cooling: starting a blow molding machine and an air cooler, moving the film bubble blown out by the blow molding machine through a blow molding die head from the inner annular surface of the annular cavity plate, and blowing out cold air through an air outlet to cool and shape the film bubble;

s2, uniform cooling: the motor is started, and the moving ring moves in a reciprocating manner under the action of the return spring and the incomplete gear, so that the air outlet can rotate, the position of the air outlet can be moved and adjusted all the time, and the film bubble moving in the annular cavity plate can be cooled more uniformly;

s3, dust blocking and closing: when cold wind was exported from the air outlet, two cowl blown the upset about will, when the air-cooler stop work, cowl resets under the effect of torsional spring to carry out the closure with the air outlet.

(II) advantageous effects

1. According to the plastic garbage bag film blowing forming processing machinery and the processing technology, the moving group arranged in the cooling air ring can enable the air outlet to move when cooling the film bubble, so that the film bubble moving on the inner ring surface of the annular cavity plate is cooled more uniformly, the phenomenon that the film bubble is cooled non-uniformly due to the fact that the position of the air outlet is fixed is avoided, meanwhile, the phenomenon that the film bubble deforms due to the fact that the air is cooled at the same position is avoided, the arc-shaped baffle is arranged in the air outlet, and the phenomenon that dust is accumulated and difficult to clean due to the fact that the dust enters the cavity between the moving ring and the annular cavity plate from the air outlet is avoided;

2. the moving ring reciprocates under the action of the return spring and the incomplete gear, so that the position of the air outlet can be moved and adjusted all the time, film bubbles moving on the inner annular surface of the annular cavity plate can be cooled more uniformly, and the phenomenon of nonuniform film bubble cooling caused by fixed position of the air outlet is avoided;

3. the end face of the blowing nozzle is obliquely upward, so that cold air blows along the moving direction of the film bubble, the forming of the film bubble is facilitated, and the phenomenon of deformation of the film bubble caused when the film bubble is blown and cooled by the cold air is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic main perspective view of the present invention;

FIG. 2 is a perspective sectional view of the cooling air ring of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

FIG. 4 is a front cross-sectional view of the cooling air ring of the present invention;

FIG. 5 is an enlarged view of a portion of the invention at B of FIG. 4;

FIG. 6 is a top cross-sectional view of the shift ring, C-ring and arcuate drive plate of the present invention;

FIG. 7 is a top cross-sectional view of the cooling wind ring of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 7, a plastic garbage bag film blowing molding processing machine comprises frame plates 1, support plates 2, a blow molding machine 3, a blow molding die head 4 and cooling air rings 5, wherein the frame plates 1 are arranged in bilateral symmetry, the support plates 2 are connected between the frame plates 1, the blow molding machine 3 is arranged on the support plates 2, the blow molding die head 4 is arranged on the blow molding machine 3, the cooling air rings 5 are arranged between the frame plates 1, and the cooling air rings 5 are positioned above the blow molding die head 4;

the cooling air ring 5 comprises an annular cavity plate 51, a connecting block 52, a threaded hole 53, a bolt 54, an annular chute 55, a C-shaped ring 56, an annular ring 57, a moving ring 58, an air outlet 59, a moving group 5a, an air inlet 5b, an air cooler 5C and a connecting pipe 5d, the annular cavity plate 51 is arranged between the frame plates 1, the connecting block 52 is arranged at the left end and the right end of the outer wall of the annular cavity plate 51, one end of the connecting block 52, far away from the annular cavity plate 51, is tightly attached to the frame plate 1 and is provided with the threaded hole 53, the bolt 54 is arranged on the end surface of the left frame plate 1, far away from the annular cavity plate 51, the bolt 54 penetrates through the frame plate 1 and is in threaded connection with the threaded hole 53, an annular groove is formed in the inner annular surface of the annular cavity plate 51 and is communicated with the inner cavity of the annular cavity plate 51, the annular chute 55 is symmetrically formed in the inner wall of the annular groove, the C-shaped ring 56 is arranged in the annular chute 55 above, an annular ring 57 is arranged in the annular chute 55 positioned below, a moving ring 58 is connected between the C-shaped ring 56 and the annular ring 57 together, a cavity is formed between the moving ring 58 and the annular cavity plate 51, air outlets 59 are formed in the moving ring 58 at equal intervals from top to bottom, a moving group 5a is arranged on the annular cavity plate 51, the air outlets 59 are arranged at equal intervals along the circumferential direction of the moving ring 58, an air inlet 5b is formed in the outer side wall of the annular cavity plate 51, an air cooler 5C is arranged on the support plate 2, and the air outlet 59 of the air cooler 5C is communicated with the air inlet 5b through a connecting pipe 5 d;

the moving group 5a comprises an arc-shaped groove 510, an arc-shaped driving plate 511, an arc-shaped rack 512, a return spring 513, a rotating shaft 514, an incomplete gear 515 and a motor 516, the upper end surface of the annular cavity plate 51 is provided with the arc-shaped groove 510, the arc-shaped groove 510 is communicated with the annular sliding groove 55, the moving ring 58 is provided with the arc-shaped driving plate 511, the arc-shaped driving plate 511 is positioned at the opening of the C-shaped ring 56, the arc-shaped driving plate 511 is provided with the arc-shaped rack 512 after penetrating through the arc-shaped groove 510, the arc-shaped driving plate 511 is connected with the arc-shaped groove 510 through the return spring 513, the arc-shaped rack 512 is positioned on the outer arc surface of the arc-shaped driving plate 511, the annular cavity plate 51 is rotatably connected with the rotating shaft 514, the incomplete gear 515 which is intermittently meshed with the arc-shaped rack 512 is sleeved on the rotating, when the blowing molding machine 3 starts to work, the blowing molding machine 3, the air cooler 5C and the motor 516 are started simultaneously, when the blowing molding machine 3 starts to work, film bubbles blown out by the blowing molding head 4 of the blowing molding machine 3 move from the inner annular surface of the annular cavity plate 51, the air cooler 5C conveys cold air into a cavity between the annular cavity plate 51 and the moving ring 58 through the connecting pipe 5d, then the cold air is blown out through the air outlet 59 to cool and shape the film bubbles, the motor 516 drives the incomplete gear 515 to rotate through the rotating shaft 514, when the incomplete gear 515 is meshed with the arc-shaped rack 512, the incomplete gear 515 drives the arc-shaped driving plate 511 to rotate through the arc-shaped rack 512, the arc-shaped driving plate 511 rotates to extrude the reset spring, meanwhile, the arc-shaped driving plate 511 drives the moving ring 58 to move, the moving ring 58 drives the C-shaped ring 56 and the annular ring 57 to rotate in the annular chute 55, the movable ring 58 rotates to enable the position of the air outlet 59 to move, when the incomplete gear 515 is not meshed with the arc-shaped rack 512, the arc-shaped driving plate 511 resets and moves under the action of the return spring 513, the movable ring 58 reciprocates under the action of the return spring 513 and the incomplete gear 515, so that the position of the air outlet 59 can move, the position of the air outlet 59 can be moved and adjusted all the time, film bubble cooling of annular surface movement in the annular cavity plate 51 can be more uniform, the phenomenon that the film bubble cooling is nonuniform due to the fact that the position of the air outlet 59 is fixed is avoided, and meanwhile the phenomenon that the film bubble deforms due to the fact that the air cooling is conducted at the same position is avoided.

Mounting groove 582 has been seted up to shift ring 58's interior annular upper and lower symmetry, mounting groove 582 arranges along shift ring 58 circumference equidistance, and mounting groove 582 and air outlet 59 stagger and arrange, install in the mounting groove 582 and slide pearl 583, slide pearl 583 reduces the frictional force between shift ring 58 and the membrane bubble.

The end faces, far away from the moving ring 58, of the C-shaped ring 56 and the annular ring 57 are provided with arc-shaped grooves at equal intervals along the circumferential direction, balls 560 are mounted in the arc-shaped grooves, the balls 560 are tightly attached to the annular sliding groove 55, and during operation, the balls 560 reduce friction between the C-shaped ring 56 and the annular ring 57 and the annular sliding groove 55 in the rotating process.

Step seal rings 580 are mounted on the upper end face and the lower end face of the moving ring 58, the step seal rings 580 are connected with the annular sliding groove 55 in a sliding mode, the upper step seal ring 580 and the lower step seal ring 580 are respectively attached to the outer annular faces of the C-shaped ring 56 and the annular ring 57 tightly, when the cold air cooling device works, the step seal rings 580 seal the moving ring 58 and the annular sliding groove 55, and the phenomenon that cold air leaks due to the fact that cold air leaks from the annular sliding groove 55 in the rotating process of the moving ring 58 is avoided.

Air outlet 59 clamp the one end of annular cavity plate 51 inner loop install blowing nozzle 590, blowing nozzle 590 is for returning the shape structure and upper and lower both ends face and be the oblique terminal surface that goes up to one side, the terminal surface of blowing nozzle 590 makes cold wind blow along bubble moving direction to one side, the shaping of the bubble of being convenient for, the phenomenon that causes the bubble to warp when avoiding cold wind to blow the bubble cooling.

End cover 593 is installed to the one end that air blowing nozzle 590 kept away from air outlet 59, has seted up inclined hole 594 on the end cover 593, inclined hole 594 is the matrix and arranges, and inclined hole 594 is the ascending structure of slope, and inclined hole 594 makes the cooling air that cold wind blew out more even, makes the refrigerated more even of bubble simultaneously.

The inner wall of the air outlet 59 is hinged with the cambered baffles 591 in an up-down symmetrical mode, a torsion spring is arranged between the cambered baffles 591 and the inner wall of the air outlet 59, opposite surfaces of the upper cambered baffle 591 and the lower cambered baffle 591 are abutted tightly, limiting plates 592 are arranged on the upper portion and the lower portion of the inner wall of the air outlet 59, the limiting plates 592 are positioned on one side, away from the blowing nozzle 590, of the cambered baffles 591, when the air blowing nozzle is in work, when cold air is output from the air outlet 59, the upper arc-shaped baffle 591 and the lower arc-shaped baffle 591 are blown and turned over, so that the air outlet 59 is opened for air blowing and cooling, when the air cooler 5c stops working, the arc-shaped baffle 591 resets under the action of the torsion spring, therefore, the air outlet 59 is closed, the phenomenon that dust is accumulated and difficult to clean due to the fact that the dust enters the cavity between the moving ring 58 and the annular cavity plate 51 from the air outlet 59 is avoided, and the limiting plate 592 avoids the phenomenon that the air outlet 59 cannot be closed due to overlarge rotating force when the arc-shaped baffle 591 is reset.

s1, forming and cooling: the blow molding machine 3 and the air cooler 5c are started, the film bubble blown out by the blow molding machine 3 through the blow molding die head 4 moves from the inner annular surface of the annular cavity plate 51, meanwhile, the air cooler 5c conveys cold air into a cavity between the annular cavity plate 51 and the moving ring 58 through the connecting pipe 5d, and then the cold air is blown out through the air outlet 59 to cool and shape the film bubble;

s2, uniform cooling: the motor 516 is started, the motor 516 drives the incomplete gear 515 to rotate through the rotating shaft 514, when the incomplete gear 515 is engaged with the arc-shaped rack 512, the incomplete gear 515 drives the arc-shaped driving plate 511 to rotate through the arc-shaped rack 512, the arc-shaped driving plate 511 rotates to extrude the return spring 513, meanwhile, the arc-shaped driving plate 511 drives the moving ring 58 to move, the moving ring 58 drives the C-shaped ring 56 and the annular ring 57 to rotate in the annular chute 55, the moving ring 58 rotates to move the position of the air outlet 59, when the incomplete gear 515 is not engaged with the arc-shaped rack 512, the arc-shaped driving plate 511 is reset by the reset spring 513, the moving ring 58 performs a reciprocating movement by the return spring 513 and the incomplete gear 515, so that the position of the air outlet 59 can be moved, and further the position of the air outlet 59 can be moved and adjusted all the time;

s3, dust blocking and closing: when cold air is output from the air outlet 59, the upper arc-shaped baffle 591 and the lower arc-shaped baffle 591 are blown and turned over, so that the air outlet 59 is opened for air blowing and cooling, when the air cooler 5c stops working, the arc-shaped baffles 591 reset under the action of the torsion spring, the air outlet 59 is closed, and the phenomenon that dust accumulation is difficult to clean due to the fact that the dust enters a cavity between the moving ring 58 and the annular cavity plate 51 from the air outlet 59 is avoided.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a plastics disposal bag blown film shaping processing machinery, includes frame plate (1), backup pad (2), blowing machine (3), blowing die head (4) and cooling wind ring (5), its characterized in that: the frame plates (1) are arranged in bilateral symmetry, the support plates (2) are connected between the frame plates (1) together, the blow molding machine (3) is arranged on the support plates (2), the blow molding die head (4) is arranged on the blow molding machine (3), the cooling air ring (5) is arranged between the frame plates (1), and the cooling air ring (5) is positioned above the blow molding die head (4);

the cooling air ring (5) comprises an annular cavity plate (51), a connecting block (52), threaded holes (53), bolts (54), an annular sliding groove (55), a C-shaped ring (56), an annular ring (57), a moving ring (58), an air outlet (59), a moving group (5a), an air inlet hole (5b), an air cooler (5C) and a connecting pipe (5d), wherein the annular cavity plate (51) is arranged between the frame plates (1), the connecting blocks (52) are respectively installed at the left end and the right end of the outer wall of the annular cavity plate (51), one end, far away from the annular cavity plate (51), of each connecting block (52) is tightly attached to the frame plate (1) and is provided with the threaded holes (53), the bolts (54) are arranged on the end surfaces, far away from the annular cavity plate (51), of the left frame plate (1) and the right frame plate (1), the bolts (54) penetrate through the frame plate (1) and are in threaded with the threaded holes (53), and annular grooves are formed in the inner annular surface of the annular cavity plate (51), the annular groove is communicated with an inner cavity of an annular cavity plate (51), annular sliding grooves (55) are symmetrically formed in the upper portion and the lower portion of the inner wall of the annular groove, a C-shaped ring (56) is arranged in the annular sliding groove (55) located above, an annular ring (57) is arranged in the annular sliding groove (55) located below, a moving ring (58) is jointly connected between the C-shaped ring (56) and the annular ring (57), a cavity is formed between the moving ring (58) and the annular cavity plate (51), air outlets (59) are equidistantly formed in the moving ring (58) from top to bottom, moving groups (5a) are arranged on the annular cavity plate (51), the air outlets (59) are equidistantly arranged along the circumferential direction of the moving ring (58), air inlet holes (5b) are formed in the outer side wall of the annular cavity plate (51), air coolers (5C) are installed on a supporting plate (2), and the air outlets (59) of the air coolers (5C) are communicated with the air inlet holes (5b) through connecting pipes (5 d).

2. The plastic garbage bag film blowing, molding and processing machine as claimed in claim 1, wherein: the moving group (5a) comprises an arc-shaped groove (510), an arc-shaped driving plate (511), an arc-shaped rack (512), a reset spring (513), a rotating shaft (514), an incomplete gear (515) and a motor (516), the upper end surface of the annular cavity plate (51) is provided with the arc-shaped groove (510), the arc-shaped groove (510) is communicated with the annular sliding groove (55), the arc-shaped driving plate (511) is installed on a moving ring (58), the arc-shaped driving plate (511) is positioned at an opening of the C-shaped ring (56), the arc-shaped driving plate (511) penetrates through the arc-shaped groove (510) and is provided with the arc-shaped rack (512), the arc-shaped driving plate (511) is connected with the arc-shaped groove (510) through the reset spring (513), the arc-shaped rack (512) is positioned on the outer arc surface of the arc-shaped driving plate (511), the annular cavity plate (51) is rotatably connected with the rotating shaft (514), the incomplete gear (515) which is intermittently meshed with the arc-shaped rack (512) is sleeved on the rotating shaft (514), an electric motor (516) is arranged on the annular cavity plate (51) through a frame, and an output shaft of the electric motor (516) is connected with the rotating shaft (514).

3. The plastic garbage bag film blowing, molding and processing machine as claimed in claim 1, wherein: the end faces, far away from the moving ring (58), of the C-shaped ring (56) and the annular ring (57) are provided with arc-shaped grooves at equal intervals along the circumferential direction, and balls (560) are mounted in the arc-shaped grooves.

4. The plastic garbage bag film blowing, molding and processing machine as claimed in claim 1, wherein: the upper end face and the lower end face of the moving ring (58) are provided with stepped sealing rings (580), the stepped sealing rings (580) are connected with the annular sliding groove (55) in a sliding mode, and the upper stepped sealing rings (580) and the lower stepped sealing rings (580) are respectively attached to the outer annular surfaces of the C-shaped ring (56) and the annular ring (57).

5. The plastic garbage bag film blowing, molding and processing machine as claimed in claim 1, wherein: one end of the inner annular surface of the air outlet (59) clamping annular cavity plate (51) is provided with an air blowing nozzle (590), the air blowing nozzle (590) is of a square structure, and the upper end surface and the lower end surface of the air blowing nozzle are oblique upward inclined end surfaces.

6. The plastic garbage bag film blowing, molding and processing machine as claimed in claim 5, wherein: the inner wall of air outlet (59) upper and lower symmetry hinge have cowl (591), install the torsional spring between cowl (591) and air outlet (59) inner wall, the opposite face of two cowl (591) about supports tightly, all installs limiting plate (592) about the inner wall of air outlet (59), limiting plate (592) are located one side that cowl (591) kept away from blowing nozzle (590).

7. The plastic garbage bag film blowing, molding and processing machine as claimed in claim 5, wherein: end cover (593) are installed to the one end of keeping away from air outlet (59) of blowing nozzle (590), have seted up on end cover (593) inclined hole (594), inclined hole (594) are the matrix and arrange, and inclined hole (594) are the ascending structure of slope.

8. The plastic garbage bag film blowing, molding and processing machine as claimed in claim 1, wherein: mounting groove (582) have been seted up to the interior anchor ring of shift ring (58) upper and lower symmetry, mounting groove (582) are arranged along shift ring (58) circumference equidistance, and mounting groove (582) and air outlet (59) are crisscross arranges, install slip pearl (583) in mounting groove (582).