Mould pressure device for plastic production
Technical Field
The utility model relates to the technical field of plastic production equipment, in particular to a mold pressurizing device for plastic production.
Background
In the plastic production process, in order to improve the quality of injection products, certain air pressure needs to be provided for molten plastic to keep the molten plastic in a better compactness, a pressurizing device needs to be used for pressurizing, the existing mold for plastic production is generally directly pressurized by an external air pump, and meanwhile, when the plastic is heated and melted, uneven heating is easy to occur, so that the production efficiency is reduced, and the wall sticking phenomenon is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provides a mold pressing device for plastic production.
The technical purpose of the utility model is realized by the following technical scheme: a mould pressurizing device for plastic production comprises a base, a barrel and a box body, wherein the barrel is fixedly arranged on the base, the box body is fixedly arranged on one side of the barrel, a feed hopper is arranged above the barrel, a same feeding barrel is connected between the feed hopper and the barrel, a control valve is arranged on the feeding barrel, an upper partition plate and a lower partition plate are horizontally arranged on the inner wall of the barrel, a sieve plate is arranged on the upper partition plate, a same rotating shaft is rotatably arranged on the upper partition plate and the lower partition plate, a driving motor is fixedly arranged at the top of the barrel, the top of the rotating shaft is fixedly connected with an output shaft of the driving motor, a driving bevel gear is fixedly sleeved on the outer side of the rotating shaft, a same rotating rod is rotatably arranged on the barrel and the box body, a driven bevel gear and an eccentric gear are fixedly sleeved at the two ends of the rotating rod respectively, the driving bevel gear is meshed with the driven bevel gear, slidable mounting has the lifter plate on the inner wall of box, rotate between eccentric wheel and the lifter plate and install same catch bar, be connected with same conveyer pipe between box and the barrel, be provided with the funnel that gathers materials on the baffle down, and the bottom opening part of the funnel that gathers materials is connected with the unloading pipe, and outside the unloading pipe extended to the barrel, be provided with the relief valve on the barrel.
The utility model is further provided with: the outside fixed mounting of pivot has spiral conveying roller and scrapes the material frame, and scrapes the material frame and contact with the inner wall of funnel, sieve and barrel that gathers materials.
Through adopting above-mentioned technical scheme, can carry the material unloading pipe position through the sieve under the effect of spiral conveying roller, can clear up the plastics of adhesion on sieve, the funnel that gathers materials and the barrel simultaneously under the effect of scraping the material frame.
The utility model is further provided with: and a sealing rubber sleeve is fixedly arranged on the top side of the lifting plate and is abutted against the inner wall of the box body.
Through adopting above-mentioned technical scheme, can improve the leakproofness of lifter plate and box inner wall under the effect of sealed gum cover.
The utility model is further provided with: the outside fixed mounting of pivot has a plurality of puddlers, and the one end fixed mounting that lies in keeping away from the pivot with a plurality of puddlers of one side has same bar shaped plate, and the bar shaped plate contacts with the inner wall of barrel.
Through adopting above-mentioned technical scheme, can clear up the plastics of adhesion on the inner wall of barrel under the effect of strip shaped plate.
The utility model is further provided with: and a plurality of heating plates are arranged on the inner wall of the cylinder body and the aggregate funnel.
Through adopting above-mentioned technical scheme, can heat plastics under the effect of hot plate to can avoid it to appear the phenomenon of solidifying.
The utility model is further provided with: the lifting plate is fixedly provided with a connecting pipe, and the connecting pipe is provided with a one-way valve.
Through adopting above-mentioned technical scheme, can avoid the below of air backward flow to the lifter plate when the lifter plate upward movement under the effect of connecting pipe and check valve.
The utility model has the beneficial effects that: according to the utility model, after plastic particles are placed in the barrel, the plastic particles are heated and melted under the action of the heating plate, the rotating shaft is driven under the action of the driving motor to enable the plurality of stirring rods to stir the plastic particles, so that the plastic particles can be heated uniformly, the melting efficiency can be improved, meanwhile, the lifting plate is driven to reciprocate under the action of the driving bevel gear, the driven bevel gear, the rotating rod, the eccentric wheel and the pushing rod, the lifting plate is enabled to convey air into the barrel through the conveying pipe under the action of the connecting pipe and the one-way valve to pressurize the plastic, the melted plastic enters the collecting hopper through the sieve plate and is conveyed to the position of the blanking pipe under the action of the spiral conveying roller, so that blanking is facilitated, and the adhered plastic can be prevented from being cleaned under the action of the strip-shaped plate and the scraping frame.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic perspective view of a mold pressing device for plastic production according to the present invention;
FIG. 2 is a schematic cross-sectional structural view of a mold pressing device for plastic production according to the present invention;
fig. 3 is a schematic structural diagram of a part a of the mold pressing device for plastic production according to the present invention.
In the figure: 1. a barrel; 2. a box body; 3. a feed hopper; 4. a control valve; 5. an upper partition plate; 6. a lower partition plate; 7. a rotating shaft; 8. a drive motor; 9. a driving bevel gear; 10. rotating the rod; 11. a driven bevel gear; 12. an eccentric wheel; 13. a push rod; 14. a lifting plate; 15. sealing the rubber sleeve; 16. a connecting pipe; 17. a one-way valve; 18. a strip plate; 19. heating plates; 20. a spiral conveying roller; 21. scraping the material frame; 22. and (5) discharging the material pipe.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1-3, a mold pressurizing device for plastic production comprises a base, a cylinder 1 and a box 2, wherein the cylinder 1 is fixedly arranged on the base, the box 2 is fixedly arranged on one side of the cylinder 1, a feed hopper 3 is arranged above the cylinder 1, the same feed cylinder is connected between the feed hopper 3 and the cylinder 1, a control valve 4 is arranged on the feed cylinder, the feeding can be controlled through the control valve 4, the feed cylinder can be sealed according to requirements, an upper partition plate 5 and a lower partition plate 6 are horizontally arranged on the inner wall of the cylinder 1, a sieve plate is arranged on the upper partition plate 5, the same rotating shaft 7 is rotatably arranged on the upper partition plate 5 and the lower partition plate 6, a driving motor 8 is fixedly arranged at the top of the cylinder 1, the top end of the rotating shaft 7 is fixedly connected with an output shaft of the driving motor 8, a driving bevel gear 9 is fixedly sleeved on the outer side of the rotating shaft 7, and the same rotating rod 10 is rotatably arranged on the cylinder 1 and the box 2, the two ends of a rotating rod 10 are respectively and fixedly sleeved with a driven bevel gear 11 and an eccentric wheel 12, a driving bevel gear 9 is meshed with the driven bevel gear 11, a lifting plate 14 is arranged on the inner wall of a box body 2 in a sliding manner, the same push rod 13 is arranged between the eccentric wheel 12 and the lifting plate 14 in a rotating manner, the lifting plate 14 can be driven to perform reciprocating lifting operation when the eccentric wheel 12 rotates through the push rod 13, the same conveying pipe is connected between the box body 2 and a barrel body 1, air in the box body 2 can be conveyed into the barrel body 1 under the action of the lifting plate 14 through the conveying pipe, so that plastics in the barrel body 1 can be pressurized, a collecting hopper is arranged on a lower partition plate 6, a discharging pipe 22 is connected to the bottom opening of the collecting hopper, the discharging pipe 22 extends out of the barrel body 1, the molten plastics can be guided to the position of the discharging pipe 22 through the collecting hopper, and a pressure release valve is arranged on the barrel body 1, the pressure in the cylinder 1 can be kept stable by the relief valve.
Specifically, the outside fixed mounting of pivot 7 has spiral conveying roller 20 and scrapes material frame 21, and scrapes material frame 21 and contact with the inner wall of aggregate funnel, sieve and barrel 1, can carry the material unloading pipe 22 position through the sieve under spiral conveying roller 20's effect, can clear up the plastics of adhesion on sieve, aggregate funnel and the barrel 1 under the effect of scraping material frame 21 simultaneously.
Specifically, the top side of the lifting plate 14 is fixedly provided with a sealing rubber sleeve 15, the sealing rubber sleeve 15 abuts against the inner wall of the box body 2, and the sealing performance between the lifting plate 14 and the inner wall of the box body 2 can be improved under the action of the sealing rubber sleeve 15.
Specifically, the outside fixed mounting of pivot 7 has a plurality of puddlers, and the one end fixed mounting that pivot 7 was kept away from to a plurality of puddlers that lie in same one side has same bar 18, and bar 18 contacts with barrel 1's inner wall, can clear up the plastics of adhesion on barrel 1's the inner wall under bar 18's effect.
Specifically, all be provided with a plurality of hot plates 19 with the funnel that gathers materials on the inner wall of barrel 1, can heat plastics under the effect of hot plate 19 to can avoid its phenomenon that appears solidifying.
Specifically, a connecting pipe 16 is fixedly installed on the lifting plate 14, and a check valve 17 is arranged on the connecting pipe 16, so that air can be prevented from flowing back to the lower side of the lifting plate 14 when the lifting plate 14 moves upwards under the action of the connecting pipe 16 and the check valve 17.
The working principle is as follows: when the device is used, firstly, a power supply is switched on, the driving motor 8 is started, plastic particles are placed in the feed hopper 3, the control valve 4 is opened, the plastic particles enter the barrel 1 through the lower pipe, after feeding is completed, the feeding pipe is closed through the control valve 4, the rotating shaft 7 is driven under the action of the driving motor 8 to enable the stirring rods to stir the plastic particles, the plastic particles are heated and melted under the action of the heating plate 19, meanwhile, the rotating rod 10 is driven under the action of the driving bevel gear 9 and the driven bevel gear 11 to enable the eccentric wheel 12 to rotate, the eccentric wheel 12 drives the lifting plate 14 to slide along the inner wall of the box body 2 through the push rod 13, when the lifting plate 14 slides downwards, air enters the upper part of the lifting plate 14 through the connecting pipe 16 and the one-way valve 17, when the lifting plate 14 moves downwards, air backflow can be avoided under the action of the sealing rubber sleeve 15 and the one-way valve 17, and along with the rising of the lifting plate 14, the air is conveyed into the barrel 1 through the conveying pipe, thereby can pressurize the interior melting plastics of barrel 1, can clear up the inner wall of barrel 1 under the effect of strip shaped plate 18, and thus can avoid face melting plastics to adhere on the inner wall of barrel 1, the plastics after the completion of melting pass through the sieve and get into the collecting hopper in, carry it to down feed pipe 22 position under spiral conveying roller 20's effect, thereby be convenient for carry out the unloading, can clear up the funnel that gathers materials, barrel 1 inner wall and sieve under the effect of scraping material frame 21 simultaneously.
The above description describes the mold pressing device for plastic production in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.