Plastic bag processing is with blown film device
Technical Field
The utility model relates to a plastic bag production technical field, concretely relates to plastic bag is blown film device for processing.
Background
The plastic film blowing machine is a device for heating and melting plastic particles and then blowing the plastic particles into a film. The film blowing machine is divided into a plurality of types, including PE, POF and the like, the plastic film blowing machine produces plastic films suitable for packaging various high-grade films, and the blown film process is roughly as follows, hopper feeding, material plasticizing extrusion, inflation traction, air ring cooling, herringbone clamping plates, traction waterlogged traction and film winding, however, the performance of the blown film has a great relationship with production process parameters, so that the control on the process parameters is enhanced in the film blowing process, the process operation is standardized, the plastic film has the problem of more fish eyes in the film blowing process, the fish eyes mainly comprise additives, low molecular weight resin, dust and the like in the raw materials, the additives, the low molecular weight resin, the dust and the like are condensed on a die head in the processing process, and the accumulated fish eyes are continuously taken away by a film after accumulating a certain amount, so that the fish eyes are formed on the film and cannot be fundamentally eliminated due to precipitates in the resin, the accumulated residues need to be regularly cleaned, and the generation of the fish eyes on the plastic film can be avoided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plastic bag is blown film device for processing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the film blowing device for processing the plastic bags comprises a machine body and a mounting seat, wherein the mounting seat is assembled on the upper surface of the right side of the machine body, a die head is assembled on the upper surface of the mounting seat, a cavity is formed in the right side of the mounting seat, a covering mechanism is arranged on the cavity, a rodless cylinder is fixedly connected to the bottom of an inner cavity of the cavity, an electric telescopic rod is fixedly connected to the output end of the rodless cylinder, the output end of the electric telescopic rod is fixedly connected with one end of a connecting rod, a motor base is arranged at the other end of the connecting rod, a low-speed motor is installed inside the motor base, one end of a transmission rod is fixedly connected to the output end of the low-speed motor, a back plate is fixedly connected to the other end of the transmission rod, cleaning components are arranged on the left side and the right side of the back plate, an absorption mechanism is arranged on the front surface of the back plate, a herringbone frame is fixedly connected to the upper side of the right side of the machine body, a plurality of rotating shafts are installed inside the herringbone frame from top to bottom, a rotating shaft is sleeved on the outer wall of the rotating roller, and a cooling component is arranged on the outer side of the herringbone frame.
Preferably, the scraping assembly comprises two supporting rods, one ends of the two supporting rods are fixedly connected with the left side and the right side of the back plate respectively, the other ends of the supporting rods are fixedly connected with scraping rods, and the outer edges of the scraping rods are attached to the two inner walls of the die head.
Preferably, the absorption mechanism comprises a negative pressure pump and a material collecting box, the negative pressure pump and the material collecting box are respectively and fixedly connected to the upper portion and the lower portion of the front surface of the back plate, the upper side wall and the lower side wall of the material collecting box are respectively and fixedly connected with a second air pipe and one end of a first air pipe, the other end of the second air pipe is sleeved on the outer wall of the air suction end of the negative pressure pump, an air guide cover is fixedly connected to the other end of the first air pipe, a fixing ring is surrounded on the outer wall of the first air pipe and connected with the back plate, a material collecting plate is inserted into the material collecting box, an air passing hole is formed in the material collecting plate, and a pull plate is fixedly connected to the portion, located outside the material collecting box, of the material collecting plate.
Preferably, the covering mechanism comprises a cover plate and a limiting plate, one end of the cover plate is movably connected with the mounting seat through a hinge, the limiting plate is fixedly connected to the left side wall of the cavity, and the other end of the cover plate is fixedly connected with a handle.
Preferably, the outer side walls of the inner and outer scraping rods are respectively concave and outer concave, and the concave radian is matched with the radian of the inner wall of the die head.
Preferably, the area of the lower surface of the material collecting plate, which is not provided with the air passing holes, is coated with epoxy resin glue.
Preferably, the cooling assembly comprises a support, the support is fixedly connected to the propeller strut, a frame is fixedly connected to the center of the support, a cross beam is fixedly connected to the center of the outer side of the frame, a fan is installed at the center of the cross beam, and fan blades of the fan are negative pressure fan blades.
Compared with the prior art, the beneficial effects of the utility model are that: this plastic bag is blown film device for processing, under rodless cylinder and electric telescopic handle's the effect of horizontal and longitudinal displacement, whole mechanism can withdraw freely and load, do not occupy the space and do not influence normal use, the rotation through low-speed motor makes the scraping bar cut the piece of rubbing clearance to the die head inner wall, carry out the residue absorption under the negative pressure air current of absorption mechanism, reached the effect of clearing up the residue of die head inside, the production of fish eye on the plastic film has been avoided, the quality of plastic film has been improved, the negative pressure air current that produces through the fan inhales the film and transmits on the rotor roll, the stability of herringbone frame to the film centre gripping has been increased, the benefit of cooling down the film has been played.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the point B of FIG. 2 according to the present invention;
fig. 4 is an enlarged view of fig. 3 according to the present invention;
FIG. 5 is a schematic view of the inside of the cavity of the present invention;
fig. 6 is a schematic view of the material collecting plate of the present invention;
fig. 7 is an enlarged view of fig. 1 at D according to the present invention.
In the figure: 1-machine body, 2-die head, 3-mounting seat, 4-cavity, 5-electric telescopic rod, 6-connecting rod, 7-motor seat, 8-low-speed motor, 9-transmission rod, 10-cover plate, 11-hinge, 12-handle, 13-scraping rod, 14-supporting rod, 15-first air pipe, 16-air guide cover, 17-fixing ring, 18-back plate, 19-negative pressure pump, 20-material collecting box, 21-pulling plate, 22-material collecting plate, 23-limiting plate, 24-rodless cylinder, 25-second air pipe, 26-air passing hole, 27-herringbone frame, 28-support, 29-frame, 30-fan, 31-cross beam, 32-rotating shaft and 33-rotating roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a film blowing device for plastic bag processing, including a machine body 1 and a mounting base 3, the machine body 1 is a film blowing process integrated machine, such as an extrusion device, a heating device, and so on, which is not related to the innovation of this patent, and so will not be described in detail, a die head 2 is installed on the mounting base 3, the mounting base 3 is assembled on the upper surface of the right side of the machine body 1, the die head 2 is assembled on the upper surface of the mounting base 3, the die head 2 is a plastic film outlet that is blown up after being heated in the plastic bag film blowing process, the plastic film is blown out from the inside of the die head 2, a cavity 4 is opened on the right side of the mounting base 3, the inside of the cavity 4 is loaded with a structure for cleaning the inside of the die head 2, the cavity 4 is provided with a covering mechanism for covering and protecting the structure for cleaning the die head 2, a rodless cylinder 24 is fixedly connected to the bottom of the inner cavity 4, the output end of the rodless cylinder 24 drives the cleaning structure to move transversely when moving horizontally, the cleaning structure is used for being retracted into the cavity 4 at a transverse position, the initial state of the output end of the rodless cylinder 24 is positioned at the rightmost side in the cavity 4, the output end of the rodless cylinder 24 is fixedly connected with the electric telescopic rod 5, the cleaning mechanism is longitudinally displaced by the expansion and contraction of the electric telescopic rod 5, when the transverse position of the cleaning structure moves to the upper side of the cavity 4, the entire mechanism is pulled back into the cavity 4 by the retraction of the electric telescopic rod 5, the output end of the electric telescopic rod 5 is fixedly connected with one end of a connecting rod 6, the connecting rod 6 is a medium for connecting the electric telescopic rod 5 with the motor base 7, the motor base 7 is extended to the upper center of the die head 2 by the length of the connecting rod 6, the motor base 7 at the other end of the connecting rod 6 is installed inside the motor base 7, the motor base 7 is provided with a low-speed motor 8, the motor base 7 is provided with the low-speed motor 8, the low-speed motor 8 works to drive the transmission rod 9 to rotate at a slow speed, the transmission rod 9 rotates to drive the back plate 18 to rotate, the length of the transmission rod 9 is the radius of an inner cavity and the circle center of the die head 2, the back plate 18 is driven to rotate during rotation, one end of the transmission rod 9 is fixedly connected to the output end of the low-speed motor 8, the other end of the transmission rod 9 is fixedly connected to the back plate 18, the back plate 18 is provided with a scraping component and an absorption mechanism, the scraping component is arranged on the left side and the right side of the back plate 18 and used for cleaning and scraping the inner cavity wall of the die head 2, the front surface of the back plate 18 is provided with the absorption mechanism, the absorption mechanism is used for recycling scraped residue and scraps, the herringbone frame 27 is fixedly connected to the upper portion of the right side of the machine body 1, the herringbone frame is used for stabilizing a bubble tube and guiding the bubble tube to move and gradually sending the bubble tube into the traction roller after being flattened, a plurality of rotating shafts 32 are arranged in the herringbone frame 27 from top to bottom, the outer wall of the rotating roller 33 is sleeved on the outer wall of the rotating shaft 32, the rotating shaft is used for rotating in a rolling mode for replacing sliding mode for enabling the film to pass through, friction generated when the film to slide is reduced, the outer side of the herringbone frame 27, and the cooling component is arranged for cooling component and also used for improving the quality of the film just-hot film just-processed.
Particularly, the cleaning component comprises two supporting rods 14, the supporting rods 14 carry scraping rods 13, the scraping rods 13 are driven to be attached to the inner wall of the die head 2 by the aid of the distance, one ends of the two supporting rods 14 are fixedly connected with the left side and the right side of a back plate 18 respectively, the other ends of the two supporting rods 14 are fixedly connected with the scraping rods 13, the outer edges of the two scraping rods 13 are attached to the two inner walls of the die head 2, and the attached scraping rods 13 scrape the inner cavity wall of the die head 2 during movement.
Specifically, the absorption mechanism comprises a negative pressure pump 19 and a material collection box 20, the negative pressure generated when the negative pressure pump 19 works is the source of the suction force of the absorption mechanism, the debris absorbed by the negative pressure suction force is collected in the material collection box 20, the negative pressure pump 19 and the material collection box 20 are respectively and fixedly connected to the upper part and the lower part of the front surface of the back plate 18, the upper side wall and the lower side wall of the material collection box 20 are respectively and fixedly connected with one end of a second air pipe 25 and one end of a first air pipe 15, the other end of the second air pipe 25 is sleeved on the outer wall of the suction end of the negative pressure pump 19, the second air pipe 25 realizes the connection and the communication between the negative pressure pump 19 and the material collection box 20, the air flow communication between the two is ensured, the negative pressure generated by the negative pressure pump 19 can reach the inside of the material collection box 20, the first air pipe 15 transmits the negative pressure air flow to the inner cavity of the die head 2, and the other end of the first air pipe 15 is fixedly connected with an air guide hood 16, the shape of the air guide cover 16 is bottom outward expansion type, the air flow absorption range is increased, the outer wall of the first air pipe 15 is surrounded by the fixing ring 17, the fixing ring 17 surrounds the first air pipe 15, the first air pipe 15 is reinforced and prevented from shaking, the fixing ring 17 is connected with the back plate 18, the material collecting plate 22 is inserted into the material collecting box 20, the material collecting plate 22 can block residues when negative pressure air flow passes through the material collecting plate 22, the residues are prevented from flowing into the second air pipe 25, the material collecting plate 22 is provided with the air passing holes 26, the air passing holes 26 ensure the liquidity of the material collecting plate 22, the aperture of the air passing holes 26 is slightly small, the residues can be prevented from passing through, the part of the material collecting plate 22, which is positioned outside the material collecting box 20, is fixedly connected with the pulling plate 21, and the pulling of the pulling plate 21 can control the material collecting plate 22 to be pulled out or perhaps inserted into the material collecting box 20.
Specifically, cover the mechanism and include apron 10 and limiting plate 23, apron 10 swing joint under hinge 11's effect, and can overturn, can cover cavity 4 during straight, protect the inside mechanism of cavity 4, hinge 11 is passed through to the one end of apron 10 and 3 activity links to each other of mount pad, limiting plate 23 rigid coupling is in the inside left side wall of cavity 4, the card is fixed on limiting plate 23 when apron 10 covers, the other end rigid coupling of apron 10 has handle 12, pulling handle 12 can control the upset of apron 10.
Particularly, the outer side walls of the inner and outer scraping rods 13 are respectively concave and concave, the radian of the concave is matched with the radian of the inner wall of the die head 2, the matching radian enables the scraping rods 13 to be higher in fit with the inner cavity of the die head 2, and the cleaning strength for scraping and rubbing the scraping rods 13 is increased.
Specifically, the area of the lower surface of the material collecting plate 22 not opened with the air passing holes 26 is coated with an epoxy resin adhesive having tackiness, and after the residue is absorbed into the material collecting box 20, the residue is adhered to the epoxy resin adhesive to prevent the residue from falling after the absorption.
Specifically, the cooling assembly comprises a support 28, a certain distance is ensured to be sufficient from the propeller strut 27, the support 28 is fixedly connected to the propeller strut 27, a frame 29 is fixedly connected to the center of the support 28, the frame 29 ensures the penetrability of the support 28, a cross beam 31 is fixedly connected to the center of the outer side of the frame 29, a fan 30 is installed at the center of the cross beam 31, the cross beam 31 can carry the fan 30, fan blades of the fan 30 are negative pressure fan blades, negative pressure airflow generated by rotation of the negative pressure fan blades has the force of sucking the film onto the propeller strut 27, the stability of clamping the bubble tube is improved, and heat on the film is blown away by generated air flow.
The working principle is as follows: firstly pulling a handle 12, pulling a cover plate 10 to turn over under the action of a hinge 11 to open a cavity 4, driving an integral mechanism to ascend to be positioned outside the cavity 4 after an electric telescopic rod 5 extends, driving the electric telescopic rod 5 to move to the leftmost end inside the cavity 4 and move to be right above a die head 2 after the electric telescopic rod 5 extends, driving the whole mechanism to descend after retracting, driving a scraping rod 13 to descend to an inner cavity of the die head 2, enabling the scraping rod 13 to be attached to the inner wall of the die head 2, driving a transmission rod 9 and a back plate 18 to rotate after a low-speed motor 8 works, driving the scraping rod 13 to rotate along the inner wall of the die head 2, scraping residues on the inner wall of the die head 2, enabling a negative pressure pump 19 to work, enabling generated negative pressure air flow to circulate inside an aggregate box 20 through a second air pipe 25 and a first air pipe 15, enabling the negative pressure air flow to absorb the residues scraped by the expansion of an air guide hood 16, enabling the residues to enter the inside of the aggregate box 20 and adhere to an aggregate plate 22, pulling the aggregate plate 21 to take out a subsequent collection plate 22, retracting the residue collection plate 24, enabling the no-rod cylinder 24 to retract, enabling the residue to be in contact with an upper turning air flow, enabling an upper film suction roll of an electric telescopic rod 5 to be generated, and enabling a film-up film-rotating air flow to be rolled to be carried out, and then to be carried out, and then to be carried out on a film-blown by an upper film-rotating air flow, and be carried out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.