CN113306118A

CN113306118A - Blow molding device for plastic barrel production

Info

Publication number: CN113306118A
Application number: CN202010126075.XA
Authority: CN
Inventors: 徐春花; 徐凤英; 李克文
Original assignee: Anhui Zhonghao Medical Plastics Co Ltd
Current assignee: Anhui Zhonghao Medical Plastics Co Ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2021-08-27

Abstract

The invention discloses a blow molding device for plastic barrel production, which comprises an equipment rack and a blow molding pipe, wherein a spiral conveying cylinder is arranged at the top of the equipment rack, a spiral conveying shaft is arranged in the spiral conveying cylinder, the spirals at the two ends of the spiral conveying shaft are arranged oppositely, two sides of the middle part of the spiral conveying cylinder are respectively provided with a partition plate, a first bevel gear is fixedly sleeved on one section of surface of the bolt conveying shaft between the two partition plates, a driving motor is arranged on the surface of the middle part of the spiral conveying cylinder, one end of a rotating shaft of the driving motor extends into the spiral conveying cylinder and is connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear. The plastic barrel is provided with the main die and the two side dies, so that the production efficiency of the plastic barrel is increased, the use of equipment is reduced, the later maintenance is facilitated, and the plastic barrel is prevented from deflecting in the production process to influence the production quality of the plastic barrel.

Description

Blow molding device for plastic barrel production

Technical Field

The invention relates to the technical field of plastic barrel production equipment, in particular to a blow molding device for plastic barrel production.

Background

The plastic barrel is mainly made of polyethylene, polypropylene and other plastics through blow molding and injection molding, is mainly used for storage and transportation of various liquids, has good characteristics for special dangerous goods packaging, has the characteristics of being not easy to break, not rusting, light in weight and the like, has good oil resistance and strong corrosion resistance, and is mainly used for dangerous goods packaging needing heat preservation, moisture protection, pressure resistance and corrosion resistance.

However, the existing plastic barrel blow molding equipment generally adopts a machine to manufacture only one plastic barrel at a time, and two cylinders are needed to separate the mold together in the manufacturing process, so that the plastic barrel production process is slow, and a plurality of cylinders are used, so that more instruments are used, the mold is not favorable for extruding the pipe blank to be arranged in the middle, and the plastic barrel production is not favorable.

Therefore, it is necessary to invent a blow molding device for plastic barrel production to solve the above problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the blow molding device for producing the plastic barrel, which is provided with the main mold and the two side molds, is favorable for increasing the production efficiency of the plastic barrel, reducing the use of equipment, facilitating later maintenance, and preventing the plastic barrel from deflecting in the production process to influence the production quality of the plastic barrel so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a blowing device for plastic barrel production comprises an equipment rack and a blowing pipe, wherein a spiral conveying cylinder is arranged at the top of the equipment rack, a spiral conveying shaft is arranged in the spiral conveying cylinder, the spirals at the two ends of the spiral conveying shaft are oppositely arranged, two sides of the middle part of the spiral conveying cylinder are respectively provided with a partition plate, a first bevel gear is fixedly sleeved on one section of surface of a bolt conveying shaft between the two partition plates, a driving motor is arranged on the surface of the middle part of the spiral conveying cylinder, one end of a rotating shaft of the driving motor extends into the spiral conveying cylinder and is connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, feeding barrels are arranged at the tops of the two sides of the spiral conveying cylinder close to the middle part, the number of the blowing pipe is two, the two ends of the spiral conveying cylinder are respectively communicated with one blowing pipe, and a main die is arranged at the top of the equipment rack, the improved plastic bucket blow molding machine is characterized in that side molds are arranged on two sides of the main mold, a driving cylinder is connected to one side of each side mold, the two sides of the main mold are arranged in a hollow mode and are matched with a prepared plastic bucket, a blow pipe is arranged on the top of each side of the main mold and is arranged inside the main mold in an integrated mode, a blow pipe and a blow pipe are arranged in the same mode, a seamless butt joint device is arranged between the top of the blow pipe and the bottom of the blow pipe, a blow channel is arranged between the two sides of the main mold and is arranged in a 'soil' shape, the two transversely arranged lengths of the blow pipe are equal, and a pneumatic discharging device is arranged at one end, located inside the two sides of the main mold, of the blow channel.

Preferably, the seamless butt joint device comprises two butt joint flanges, wherein the two butt joint flanges are respectively integrally formed with the bottom of the blowing pipe and the top of the blowing pipe, a fastening groove is formed in the surface of each butt joint flange, fastening blocks are arranged in the fastening grooves, a locking screw is arranged between the fastening blocks, one end of the locking screw is rotatably sleeved with one of the fastening blocks, and the locking screw is meshed with the other fastening block and is sleeved with the other fastening block.

Preferably, the locking groove is triangular, the fastening block is U-shaped, and the cross section of one end of the fastening block is matched with the locking groove.

Preferably, a plurality of connecting teeth are uniformly arranged at the bottom of the blow molding pipe, and a plurality of tooth grooves matched with the connecting teeth are uniformly formed in the top of the blow molding pipe.

Preferably, pneumatic type discharge apparatus includes pneumatic piece, the inside recess that has seted up in master die both sides, the recess with blow the material passageway and communicate with each other, the spout has all been seted up to the both sides of recess, the inside slide bar that is provided with of spout, spring and slider have been cup jointed on the slide bar surface, slider and pneumatic piece fixed connection, pneumatic piece is located and is provided with the disappointing passageway of a plurality of between the inside one end of recess and the lateral wall.

Preferably, adopt the cooperation of precision matching parts to set up between pneumatic block and the recess, the exit end of disappointing the passageway is located one section setting of pneumatic block atress roll-off recess inside.

Preferably, the side die and the main die are arranged in a matched mode, one side of the side die is arranged in a hollow mode, and the side die and the main die are arranged in a vertical parallel mode.

Preferably, the material blowing pipe is arranged at the 1/2 position of the space width of the hollow arrangement inside the main die and the side die after the main die and the side die are overlapped, and the bottom of the main die is arranged by adopting a lifting platform.

Preferably, the two feeding barrels are symmetrically arranged about the middle of the spiral conveying barrel, and the feeding speeds of the two feeding barrels are equal.

The invention has the technical effects and advantages that:

1. the plastic barrel production device is provided with the main die and the two side dies, so that two plastic barrels can be produced at one time, the production efficiency of the plastic barrels is increased, the use of equipment is reduced, the later maintenance is facilitated, the material blowing pipe and the main die are integrally arranged, on one hand, burrs generated in the production process of the plastic barrels are reduced, and the material blowing pipe is always arranged on the inner center lines of the side dies and the main die when the side dies and the main die are combined, so that the plastic barrels are prevented from being deflected due to the fact that the material blowing pipe and the dies are not arranged in the center positions in the production process of the plastic barrels and the production quality of the plastic barrels is prevented from being affected.

Drawings

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

FIG. 2 is a schematic view of the structure of part A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of part B in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure of the portion C in FIG. 1 according to the present invention;

fig. 5 is a schematic structural view of the docking flange of the present invention.

In the figure: 1. an equipment rack; 2. blowing the tube; 3. a spiral delivery cylinder; 4. a screw conveying shaft; 5. a separator plate; 6. a first bevel gear; 7. a drive motor; 8. a second bevel gear; 9. a charging barrel; 10. a master mold; 11. a side mold; 12. a driving cylinder; 13. blowing a material pipe; 14. a blowing channel; 15. butting flanges; 16. a fastening groove; 17. a fastening block; 18. locking the screw rod; 19. a connecting tooth; 20. a tooth socket; 21. a pneumatic block; 22. a groove; 23. a chute; 24. a slide bar; 25. a spring; 26. a slider; 27. and a gas release channel.

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.

Example 1:

the blow molding device for producing the plastic barrel shown in the figures 1-5 comprises an equipment rack 1 and a blow molding pipe 2, wherein a spiral conveying cylinder 3 is arranged at the top of the equipment rack 1, a spiral conveying shaft 4 is arranged inside the spiral conveying cylinder 3, the spirals at two ends of the spiral conveying shaft 4 are oppositely arranged, partition plates 5 are arranged on two sides of the middle part of the spiral conveying cylinder 3, a mechanical seal is arranged between the spiral conveying shaft 4 and the partition plates 5, a first bevel gear 6 is fixedly sleeved on one section of surface of the bolt conveying shaft between the two partition plates 5, a driving motor 7 is arranged on the surface of the middle part of the spiral conveying cylinder 3, one end of a rotating shaft of the driving motor 7 extends into the spiral conveying cylinder 3 and is connected with a second bevel gear 8, wherein the second bevel gear 8 is meshed with the first bevel gear 6, and feeding barrels 9 are arranged at the tops of two sides of the spiral conveying cylinder 3 close to the middle part, the number of the blowing pipes 2 is two, two ends of the spiral conveying cylinder 3 are respectively communicated with one blowing pipe 2, the top of the equipment frame 1 is provided with a main mould 10, two sides of the main mould 10 are respectively provided with a side mould 11, one side of the side mould 11 is connected with a driving cylinder 12, two sides of the main mould 10 are arranged in a hollow way and are matched with the prepared plastic barrel, the tops of two sides of the main mould 10 are respectively provided with a blowing pipe 13, the blowing pipe 13 and the interior of the main mould 10 are arranged in an integrated manner, the blowing pipe and the blowing pipe 2 are arranged in the same way, the main mould 10 and the two side moulds 11 are arranged, so that two plastic barrels can be produced at one time, the production efficiency of the plastic barrels is increased, the use of equipment is reduced, the later maintenance is convenient, the blowing pipe 13 and the main mould 10 are arranged in an integrated manner, and burrs generated in the production process of the plastic barrels are reduced on one hand, and when the side mold 11 and the main mold 10 are combined, the material blowing pipe 13 is always arranged at the position of the central line inside the side mold 11 and the main mold 10, so that the plastic barrel is prevented from being deviated due to the fact that the blow molding pipe 2 and the mold are not arranged at the central position in the production process, the production quality of the plastic barrel is influenced, a seamless butt joint device is arranged between the top of the material blowing pipe 13 and the bottom of the blow molding pipe 2, a material blowing channel 14 is arranged between two sides of the main mold 10, the material blowing channel 14 is arranged in a 'soil' shape, the two transversely arranged lengths are equal, the material blowing channel 14 is connected with external compressed air, and a pneumatic discharging device is arranged at one end, located inside two sides of the main mold 10, of the material blowing channel 14.

Further, in the above technical solution, the seamless docking device includes two docking flanges 15, two docking flanges 15 are respectively integrally formed with the bottom of the blow molding pipe 2 and the top of the blow molding pipe 13, a fastening groove 16 is formed in the surface of the docking flange 15, a fastening block 17 is arranged inside the fastening groove 16, a locking screw 18 is arranged between the two fastening blocks 17, one end of the locking screw 18 is rotatably sleeved with the inside of one fastening block 17 and is engaged with the inside of the other fastening block 17, when the blow molding pipe 2 and the blow molding pipe 13 are seamlessly docked, the two fastening blocks 17 are inserted into the locking groove 16, and the locking screw 18 is rotated to further fix the two docking flanges 15 via the fastening block 17.

Furthermore, in the above technical solution, the locking groove 16 is arranged in a triangular shape, the fastening block 17 is arranged in a U shape, and the cross section of one end of the fastening block 17 is arranged in a shape matching with the locking groove 16, which is beneficial to preventing the two butting flanges 15 from deviating and staggering when the fastening block 17 and the butting flanges 15 are fixed, thereby affecting the blow molding effect;

further, in the above technical scheme, the bottom of the blowing pipe 2 is uniformly provided with a plurality of connecting teeth 19, the top of the blowing pipe 13 is uniformly provided with a plurality of tooth grooves 20 matched with the connecting teeth 19, and the blowing pipe 2 and the discharge pipe are favorably positioned and fixed through the connecting teeth 19 and the tooth grooves 20;

further, in the above technical solution, the pneumatic discharging device includes a pneumatic block 21, grooves 22 are formed in two sides of the main mold 10, the grooves 22 are communicated with the blowing channel 14, sliding grooves 23 are formed in two sides of each groove 22, a sliding rod 24 is arranged in each sliding groove 23, a spring 25 and a sliding block 26 are sleeved on the surface of each sliding rod 24, each sliding block 26 is fixedly connected with the pneumatic block 21, and a plurality of air leakage channels 27 are formed between one end of the pneumatic block 21 located in each groove 22 and the side wall;

further, in the above technical solution, the pneumatic block 21 and the groove 22 are arranged in a matching manner by using a precision coupler, and the outlet end of the air release channel 27 is located at a section of the pneumatic block 21 which slides out of the groove 22 under the force of the pneumatic block, so as to facilitate the discharge of high-pressure air;

further, in the above technical solution, the side mold 11 is matched with the main mold 10, one side of the side mold 11 is hollow, and the side mold 11 and the main mold 10 are vertically arranged in parallel;

further, in the above technical solution, the blowing pipe 13 is located at 1/2 of the space width of the hollow interior of the main mold 10 and the side mold 11 after they are overlapped, and the bottom of the main mold 10 is set by using a lifting table;

further, in the above technical solution, the two feeding barrels 9 are symmetrically arranged about the middle of the spiral conveying cylinder, and the feeding speeds of the two feeding barrels 9 are set to be equal.

The working principle of the invention is as follows:

referring to the attached drawings 1-5 of the specification, when a plastic barrel is produced, a driving motor 7 is started, materials are fed into a spiral conveying cylinder 3 through a feeding barrel 9, the materials are conveyed into a blow molding pipe 2 through a spiral conveying shaft 4, the materials are blown out of the inner parts of two sides of a main mold 10 through the work of the blow molding pipe 2 and a discharge pipe, then a driving cylinder 12 is started, two driving cylinders 12 push side molds 11 to be combined with the main mold 10, the blow molding pipe 2 is continuously used for working, so that the plastic barrel is blow molded in the main mold 10 and the side molds 11, after the blow molding, the side molds 11 are separated from one side of the main mold 10, the space between the side molds is larger than the width of the plastic barrel, then high-pressure air is introduced through a material blowing channel 14, a starting block is blown through the high-pressure air, the starting block is separated from the inner part of a groove 22 and enters the hollow inner parts of two sides of the main mold 10, ejecting the plastic bucket, and high-pressure air discharges through disappointing passageway 27, make the inside air current that produces of total mould 10, blow off ejecting plastic bucket from total mould 10 is inside and drop, thereby take out the plastic bucket, two plastic buckets are once only produced to effectual process two side moulds 11 and a total mould 10, increase the production efficiency of plastic bucket, and reduce the use of equipment, the later maintenance of being convenient for, and will blow material pipe 13 and total mould 10 an organic whole and set up, reduce the deckle edge that the plastic bucket produced in the production process on the one hand, and when merging side mould 11 and total mould 10, make and blow the inside central line position that material pipe 13 is in side mould 11 and total mould 10 all the time and set up, thereby prevent that plastic bucket from blowing pipe 2 and mould are not in central point in the production process, cause the skew, influence plastic bucket production quality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a plastic drum production is with blowing device, includes equipment frame (1) and blow molding pipe (2), its characterized in that: the spiral conveying cylinder (3) is arranged at the top of the equipment rack (1), a spiral conveying shaft (4) is arranged inside the spiral conveying cylinder (3), the spirals at the two ends of the spiral conveying shaft (4) are oppositely arranged, the two sides of the middle part of the spiral conveying cylinder (3) are respectively provided with a partition board (5), a first bevel gear (6) is sleeved on one section of surface of the bolt conveying shaft between the two partition boards (5) in a fixed manner, a driving motor (7) is arranged on the surface of the middle part of the spiral conveying cylinder (3), one end of a rotating shaft of the driving motor (7) extends into the spiral conveying cylinder (3) and is connected with a second bevel gear (8), wherein the second bevel gear (8) is meshed with the first bevel gear (6), the tops of the two sides of the spiral conveying cylinder (3) close to the middle part are respectively provided with a feeding barrel (9), and the number of the blow-molded pipes (2) is two, the device is characterized in that two ends of the spiral conveying cylinder (3) are respectively communicated with a blowing pipe (2), a main die (10) is arranged at the top of the equipment frame (1), side dies (11) are arranged on two sides of the main die (10), a driving cylinder (12) is connected to one side of each side die (11), two sides of the main die (10) are arranged in a hollow mode and matched with a prepared plastic barrel, blowing pipes (13) are arranged on the tops of two sides of the main die (10), the blowing pipes (13) and the interior of the main die (10) are arranged in an integrated mode, the blowing pipes and the blowing pipes (2) are arranged in the same mode, a seamless butt joint device is arranged between the tops of the blowing pipes (13) and the bottom of the blowing pipes (2), a blowing channel (14) is arranged between two sides of the main die (10), the blowing channel (14) is arranged in a 'soil' shape, and the two transversely arranged lengths are equal, and one ends of the blowing channels (14) positioned inside two sides of the main die (10) are provided with pneumatic discharging devices.

2. A plastic drum production blow molding apparatus as claimed in claim 1, wherein: seamless interfacing apparatus includes two flange (15), two flange (15) respectively with blow mould pipe (2) bottom and blow material pipe (13) top integrated into one piece setting, fastening groove (16) have been seted up on flange (15) surface, fastening groove (16) inside is provided with fastening block (17), two be provided with locking screw (18) between fastening block (17), locking screw (18) one end is cup jointed with one of them fastening block (17) inside rotation to with another fastening block (17) between the meshing cup joint the setting.

3. A plastic drum production blow molding device according to claim 2, characterized in that: the locking groove (16) is arranged in a triangular mode, the fastening block (17) is arranged in a U-shaped mode, and the cross section shape of one end, located inside the fastening block (17), of the fastening block is matched with the locking groove (16).

4. A plastic drum production blow molding apparatus as claimed in claim 1, wherein: the blowing pipe (2) bottom evenly is provided with a plurality of and connects tooth (19), blow and evenly set up a plurality of and connect tooth's socket (20) of tooth (19) assorted at material pipe (13) top.

5. A plastic drum production blow molding apparatus as claimed in claim 1, wherein: pneumatic type discharge apparatus includes pneumatic piece (21), inside seting up fluted (22) in total mould (10) both sides, recess (22) with blow material passageway (14) and communicate with each other, spout (23) have all been seted up to the both sides of recess (22), spout (23) inside is provided with slide bar (24), spring (25) and slider (26) have been cup jointed on slide bar (24) surface, slider (26) and pneumatic piece (21) fixed connection, pneumatic piece (21) are located and are provided with the disappointing passageway of a plurality of (27) between the inside one end of recess (22) and the lateral wall.

6. A plastic drum production is with blowing device of claim 5, characterized by: adopt precision matching parts cooperation setting between pneumatic block (21) and recess (22), the exit end of disappointing passageway (27) is located one section setting of pneumatic block (21) atress roll-off recess (22) inside.

7. A plastic drum production blow molding apparatus as claimed in claim 1, wherein: the side die (11) is matched with the main die (10), one side of the side die (11) is arranged in a hollow mode, and the side die (11) and the main die (10) are arranged in a vertical and parallel mode.

8. A plastic drum production blow molding apparatus as claimed in claim 1, wherein: the material blowing pipe (13) is arranged at the 1/2 position of the space width of the hollow inner part of the main die (10) and the side die (11) after the main die and the side die are overlapped, and the bottom of the main die (10) is arranged by adopting a lifting platform.

9. A plastic drum production blow molding apparatus as claimed in claim 1, wherein: the two feeding barrels (9) are symmetrically arranged relative to the middle of the spiral conveying barrel, and the feeding speeds of the two feeding barrels (9) are equal.