CN211492587U

CN211492587U - Rotation adjusting anti-blocking device for injection molding nozzle of flywheel mold of aircraft engine

Info

Publication number: CN211492587U
Application number: CN201922006968.6U
Authority: CN
Inventors: 李知函; 陈一; 曾广胜
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-15
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses an aeroengine flywheel mould injection moulding nozzle rotates adjusts anti-clogging device, including the spray tube, the bottom fixedly connected with of spray tube goes out the stub bar, the inside position that is close to the stub bar of spray tube is vertical and is provided with the cavity, the outer wall of cavity is to encircle and is provided with the rotation cover, the top of rotating the cover is provided with rotates the section of thick bamboo, the outer wall of rotating the section of thick bamboo is to encircle and is provided with electric heat spiral leaf. The utility model discloses the tip and the ejection of compact head alternate segregation of ejector pin, plastic pellet can spout, the dead lever drives expanding spring through the connecting block and removes, expanding spring produces the transform to the power of ejector pin, adjust the position of ejector pin, the speed of the ejection of compact is controlled, it drives the electric heat spiral leaf and rotates to rotate a section of thick bamboo, it passes through go-between and the mutual fixed connection of rotating sleeve to rotate a section of thick bamboo, possess steerable speed of pouring, eliminate the hole vestige of moulding plastics, can encircle the even heating and prevent the cold burden, guarantee the ejection of compact and evenly prevent the advantage of refluence.

Description

Rotation adjusting anti-blocking device for injection molding nozzle of flywheel mold of aircraft engine

Technical Field

The utility model relates to an aeroengine flywheel technical field specifically is an aeroengine flywheel mould injection moulding nozzle rotates and adjusts anti-clogging device.

Background

In the process of initial processing and die sinking, an aero-engine flywheel needs to try to perform injection molding so as to check the reliability of a die, in the production process of injection molding plastic parts, plastic particles in a molten state enter a plastic die from a nozzle of an injection molding machine, and qualified products are obtained after cooling, solidification and ejection in the plastic die.

The existing injection molding process of the injection molding nozzle is an open injection molding port usually, plastic particles are directly poured into a mold, the structure is easy to cause the phenomena of wire drawing and backflow of the plastic particles, further the bonding and blocking of a pouring gate are caused, the appearance of a finished product can leave the trace of the injection molding port, the whole appearance is influenced, the later-stage treatment is needed, the processing cost is increased, the traditional injection molding head heating mode is that a heating wire is surrounded on the outer wall to be heated, the inside and the outside of the plastic particles are heated unevenly, the plastic particles inside are easy to gather to form blocks, the nozzle is blocked, the traditional nozzle is also lack of a device for pushing the plastic particles to move, and the moving speed of the plastic particles is uneven.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an aeroengine flywheel mould injection moulding nozzle rotates and adjusts anti-clogging device possesses steerable speed of pouring, eliminates the hole vestige of moulding plastics, can encircle the even heating and prevent the cold burden, guarantees the even advantage that prevents the refluence of the ejection of compact, has solved current wire drawing and cold burden blocking phenomenon, has the runner after pouring the completion, the problem of speed is pour to uncontrollable.

(II) technical scheme

For realizing above-mentioned steerable speed of pouring, eliminate the hole vestige of moulding plastics, can encircle even heating and prevent the cold burden, guarantee the even purpose that prevents the refluence of the ejection of compact, the utility model provides a following technical scheme: an anti-blocking device for the rotary adjustment of an injection molding nozzle of an aircraft engine flywheel mold comprises a spray pipe, wherein the bottom of the spray pipe is fixedly connected with a discharging head, a cavity is vertically arranged at the position, close to the discharge head, inside the spray pipe, a rotating sleeve is arranged around the outer wall of the cavity, the top of the rotating sleeve is provided with a rotating cylinder, the outer wall of the rotating cylinder is provided with electric heating spiral blades in a surrounding manner, the outer wall of the rotating sleeve is provided with a surrounding spiral blade in a surrounding way, the rotating sleeve is fixedly connected with the rotating cylinder through a connecting ring, the center of the bottom of the cavity is vertically provided with a mandril, an extension spring is arranged inside the cavity, the two ends of the extension spring are both fixedly connected with connecting blocks, a fixed rod is arranged inside the rotating cylinder, the inside of electric heat spiral leaf is around fixedly connected with heating rod the inner wall of a rotating cylinder is around being provided with around the heater strip.

Preferably, the surrounding heating wire and the heating rod are fixedly connected with each other, the fixing rod penetrates through the inner center of the surrounding heating wire, and the heating rod is rod-shaped.

Preferably, the outer wall of one end of the cavity, which is close to the discharge head, is fixedly connected with the spray pipe through a clamping rod, the clamping rod is fixedly connected with the cavity, the rotating sleeve is rotatably connected with the cavity, the fixing rod penetrates through one end of the cavity and is fixedly connected with the connecting block, and the fixing rod is made of metal.

Preferably, the edge of electric heat spiral leaf and the inner wall of spray tube contact each other, top one side of spray tube is provided with the feed inlet, the feed inlet link up each other with the inside of spray tube, the top of rotating cylinder runs through the top of spray tube and is connected with spray tube rotation each other, the inner wall of spray tube is smooth and frictionless.

Preferably, the outer wall of one end of the rotating cylinder, away from the stub bar, is a rotating toothed ring surrounding the fixedly connected with, the fixed rod is tightly attached to the inner wall of the rotating cylinder, the connecting wire is fixedly connected to one end of the fixed rod, away from the stub bar, and is connected with the power line through an electric brush, and the rotating cylinder is made of metal.

Preferably, the outer wall that goes out the stub bar is the plummet form, the inside that goes out the stub bar is leaks hopper-shaped, the one end that the ejector pin is close to out the stub bar is provided with the fixed block, the outer wall of fixed block and the inner wall of going out the stub bar laminate each other, it makes for the metal to go out the stub bar, the inner wall that goes out the stub bar is smooth.

Preferably, the inner walls of the surrounding spiral blades and the spray pipe are mutually attached, the surface of the clamping rod is elliptic cylindrical, the surface of the rotating sleeve is smooth and has no burrs, and one end of the rotating sleeve, which is close to the discharge head, is tightly attached to the cavity.

Preferably, one side of the rotating toothed ring is provided with a power device, the power device is meshed with the rotating toothed ring, the top of the fixing rod is provided with a control device, and the power device is connected through a rotating motor.

Advantageous effects

Compared with the prior art, the utility model provides an aeroengine flywheel mould injection moulding shower nozzle rotates adjusts anti-clogging device possesses following beneficial effect:

1. when using, extrude the ejector pin through plastic granules, make the ejector pin pass through connecting block extrusion expanding spring, and then make the ejector pin retract to the inside of cavity, and then make the tip and the ejection of compact head alternate segregation of ejector pin, and then make plastic granules can spout and then carry out the process of moulding plastics, can drive the dead lever through controlling means and remove at the in-process of moulding plastics, and then the dead lever drives expanding spring through the connecting block and removes, and then make expanding spring produce the transform to the power of ejector pin, and then adjust the position of ejector pin, the speed of the ejection of compact is controlled, make the ejector pin ejecting rapidly because expanding spring's power when stopping moulding plastics, and then seal the ejection of compact head, prevent injection hole and wire drawing phenomenon.

2. When using, it is rotatory to drive through power device and rotate the ring gear, and then it is rotatory to drive through rotating the ring gear and rotate the section of thick bamboo, the rethread rotates the section of thick bamboo and drives the electric heat spiral leaf and rotate, because it passes through go-between and the mutual fixed connection of rotating the cover to rotate the section of thick bamboo, and then it drives and rotates the cover and rotate, and then it is rotatory around the spiral leaf to drive through rotating the cover, it moves to stub bar one side to rotate through surrounding the inside plastic pellet of spiral leaf and electric heat spiral leaf drive spray tube, and because the inside of rotating the section of thick bamboo is provided with and encircles the heater strip, the inside of electric heat spiral leaf is provided with the heater rod, and then can be when the pivoted even plastics particle heating to inside, prevent.

Drawings

FIG. 1 is a schematic view of the inside of the nozzle of the present invention;

FIG. 2 is a sectional view of the internal structure of the cavity of the structure of the present invention;

fig. 3 is a sectional view of the internal structure of the rotary drum of the structure of the present invention.

In the figure: 1. a nozzle; 2. discharging a stub bar; 3. a cavity; 4. rotating the sleeve; 5. a rotating cylinder; 6. electrically heating the helical blades; 7. surrounding the spiral blade; 8. a connecting ring; 9. a top rod; 10. a tension spring; 11. connecting blocks; 12. fixing the rod; 13. a heating rod; 14. surrounding the heating wire; 15. a clamping rod; 16. a feed inlet; 17. rotating the toothed ring; 18. and connecting the wires.

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, other embodiments obtained by a person of ordinary skill in the art without creative work all belong to the protection scope of the present invention.

Please refer to fig. 1-3, an anti-clogging device for rotation adjustment of an injection molding nozzle of an aircraft engine flywheel mold comprises a nozzle 1, a discharge head 2 is fixedly connected to the bottom of the nozzle 1, a cavity 3 is vertically arranged at a position close to the discharge head 2 inside the nozzle 1, a rotating sleeve 4 is arranged around the outer wall of the cavity 3, a rotating cylinder 5 is arranged at the top of the rotating sleeve 4, an electric heating spiral blade 6 is arranged around the outer wall of the rotating cylinder 5, a surrounding spiral blade 7 is arranged around the outer wall of the rotating sleeve 4, the rotating sleeve 4 is fixedly connected with the rotating cylinder 5 through a connecting ring 8, a top rod 9 is vertically arranged at the center of the bottom of the cavity 3, an expansion spring 10 is arranged inside the cavity 3, connecting blocks 11 are fixedly connected to both ends of the expansion spring 10, a fixing rod 12 is arranged inside the rotating cylinder 5, and a surrounding heating wire 14 is arranged around the inner wall of the rotating cylinder 5 fixedly connected with a heating.

The surrounding heating wire 14 and the heating rod 13 are fixedly connected with each other, the fixing rod 12 penetrates through the inner center of the surrounding heating wire 14, and the heating rod 13 is rod-shaped.

One end outer wall that cavity 3 is close to stub bar 2 passes through

kelly

15 and 1 mutual fixed connection of spray tube,

kelly

15 and 3 mutual fixed connection of cavity, it is connected to

rotate cover

4 and 3 mutual rotations of cavity, dead lever 12 runs through the one end and the 11 mutual fixed connection of connecting block of cavity 3, dead lever 12 is made for the metal, dead lever 12 drives expanding spring 10 through connecting block 11 and removes, and then make expanding spring 10 produce the transform to the power of ejector pin 9, and then adjust the position of ejector pin 9, the speed of the ejection of compact is controlled.

The edge of electric heat spiral leaf 6 and the inner wall of spray tube 1 contact each other, top one side of spray tube 1 is provided with feed inlet 16, feed inlet 16 link up each other with the inside of spray tube 1, the top of rotating the section of thick bamboo 5 is run through the top of spray tube 1 and is connected with spray tube 1 rotation, the inner wall of spray tube 1 is smooth not to have the friction, it rotates to rotate section of thick bamboo 5 and drive rotating sleeve 4, and then it is rotatory to surround spiral leaf 7 through rotating sleeve 4 drive, it rotates to drive the inside plastic pellet of spray tube 1 with electric heat spiral leaf 6 through surrounding spiral leaf 7.

The one end outer wall that goes away from stub bar 2 is to encircle fixedly connected with and rotates ring gear 17 to a rotating cylinder 5, and the inner wall of dead lever 12 and a rotating cylinder 5 closely laminates, and the one end fixedly connected with connecting wire 18 of stub bar 2 is kept away from to dead lever 12, and connecting wire 18 passes through brush interconnect with the power cord, and a rotating cylinder 5 is made for the metal, and the in-process of moulding plastics can drive dead lever 12 through controlling means and remove, and then dead lever 12 drives expanding spring 10 through connecting block 11 and removes.

The outer wall that goes out stub bar 2 is the plummet form, and the inside of ejection of compact head 2 is hopper-shaped, and the one end that ejector pin 9 is close to ejection of compact head 2 is provided with the fixed block, and the outer wall of fixed block laminates with ejection of compact head 2's inner wall each other, and ejection of compact head 2 is made for the metal, and the inner wall that goes out stub bar 2 is smooth, and the tip and the ejection of compact head 2 alternate segregation of ejector pin 9, and then make plastic pellet can spout, and then the process of moulding plastics.

The inner walls surrounding the spiral blade 7 and the spray pipe 1 are mutually attached, the surface of the clamping rod 15 is oval cylindrical, the surface of the rotating sleeve 4 is smooth and has no burrs, one end of the rotating sleeve 4 close to the discharge head 2 is tightly attached to the cavity 3, the rotating cylinder 5 drives the electric heating spiral blade 6 to rotate, and the rotating cylinder 5 is fixedly connected with the rotating sleeve 4 through a connecting ring 8.

One side of the rotating toothed ring 17 is provided with a power device, the power device is meshed with the rotating toothed ring 17, the top of the fixed rod 12 is provided with a control device, the power device is connected through a rotating motor, the rotating cylinder 5 is driven to rotate through the rotating toothed ring 17, and the electric heating spiral blades 6 are driven to rotate through the rotating cylinder 5.

The working principle is as follows: when the injection molding machine is used, the ejector rod 9 is extruded through plastic particles, the ejector rod 9 extrudes the telescopic spring 10 through the connecting block 11, the ejector rod 9 retracts into the cavity 3, the end part of the ejector rod 9 is separated from the discharge head 2, plastic particles can be sprayed out, the injection molding process is carried out, the control device can drive the fixed rod 12 to move in the injection molding process, the fixed rod 12 drives the telescopic spring 10 to move through the connecting block 11, the telescopic spring 10 generates change on the force of the ejector rod 9, the position of the ejector rod 9 is adjusted, the discharge speed is controlled, when the injection molding is stopped, the ejector rod 9 is rapidly ejected out due to the force of the telescopic spring 10, the discharge head 2 is sealed, the injection molding hole and the wire drawing phenomenon are prevented, the rotating toothed ring 17 is driven to rotate through the power device, and the rotating cylinder 5 is driven to rotate through the rotating toothed ring 17, rethread rotates a section of thick bamboo 5 and drives electric heat spiral leaf 6 and rotate, because it passes through go-between 8 and the mutual fixed connection of rotating cover 4 to rotate a section of thick bamboo 5, and then it rotates to rotate cover 4 to rotate a section of thick bamboo, and then it is rotatory to surround spiral leaf 7 through rotating cover 4 drive, it rotates to drive the inside plastic pellet of spray tube 1 with electric heat spiral leaf 6 through surrounding spiral leaf 7, remove to ejection of compact head 2 one side, and because the inside of rotating a section of thick bamboo 5 is provided with and encircles heater strip 14, the inside of electric heat spiral leaf 6 is provided with heating rod 13, and then can be when the pivoted even the heating of inside plastic pellet, prevent to condense.

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.

Claims

1. The utility model provides an aeroengine flywheel mould injection moulding nozzle rotates and adjusts anti-clogging device, includes spray tube (1), its characterized in that: the bottom of the spray pipe (1) is fixedly connected with a discharge head (2), the position, close to the discharge head (2), inside the spray pipe (1) is vertically provided with a cavity (3), the outer wall of the cavity (3) is provided with a rotating sleeve (4) in a surrounding manner, the top of the rotating sleeve (4) is provided with a rotating cylinder (5), the outer wall of the rotating cylinder (5) is provided with an electric heating spiral blade (6) in a surrounding manner, the outer wall of the rotating sleeve (4) is provided with a surrounding spiral blade (7) in a surrounding manner, the rotating sleeve (4) is fixedly connected with the rotating cylinder (5) through a connecting ring (8), the bottom center of the cavity (3) is vertically provided with an ejector rod (9), the inside of the cavity (3) is provided with a telescopic spring (10), the two ends of the telescopic spring (10) are fixedly connected with connecting blocks (11), the inside of the rotating cylinder (5) is provided with a, the inside of electric heat spiral leaf (6) is and encircles fixedly connected with heating rod (13) the inner wall of a rotating cylinder (5) is and encircles and is provided with around heater strip (14).

2. The aero-engine flywheel mold injection molding nozzle rotation adjustment anti-blocking device as claimed in claim 1, wherein: encircle heater strip (14) and heater bar (13) mutual fixed connection, dead lever (12) pass the inside center of encircleing heater strip (14), heater bar (13) are shaft-like.

3. The aero-engine flywheel mold injection molding nozzle rotation adjustment anti-blocking device as claimed in claim 1, wherein: the one end outer wall that cavity (3) are close to stub bar (2) passes through kelly (15) and spray tube (1) mutual fixed connection, kelly (15) and cavity (3) mutual fixed connection, it is connected with cavity (3) rotation each other to rotate cover (4), dead lever (12) run through the one end and the connecting block (11) mutual fixed connection of cavity (3).

4. The aero-engine flywheel mold injection molding nozzle rotation adjustment anti-blocking device as claimed in claim 1, wherein: the edge of electric heat spiral leaf (6) and the inner wall of spray tube (1) contact each other, top one side of spray tube (1) is provided with feed inlet (16), feed inlet (16) link up each other with the inside of spray tube (1), the top of rotating cylinder (5) is run through the top of spray tube (1) and is connected with spray tube (1) rotation each other.

5. The aero-engine flywheel mold injection molding nozzle rotation adjustment anti-blocking device as claimed in claim 1, wherein: the one end outer wall of a stub bar (2) is kept away from in a rotation section of thick bamboo (5) is around fixedly connected with and rotates ring gear (17), the inner wall of dead lever (12) and a rotation section of thick bamboo (5) closely laminates, one end fixedly connected with connecting wire (18) of a stub bar (2) are kept away from in dead lever (12), connecting wire (18) pass through brush interconnect with the power cord.

6. The aero-engine flywheel mold injection molding nozzle rotation adjustment anti-blocking device as claimed in claim 1, wherein: the outer wall that goes out stub bar (2) is the plummet form, the inside that goes out stub bar (2) is leaks hopper-shaped, one end that ejector pin (9) are close to out stub bar (2) is provided with the fixed block, the outer wall of fixed block laminates with the inner wall of ejection of compact head (2) each other.

7. The aero-engine flywheel mold injection molding nozzle rotation adjustment anti-blocking device as claimed in claim 3, wherein: the inner walls of the surrounding spiral blades (7) and the spray pipe (1) are attached to each other, the surface of the clamping rod (15) is elliptic cylindrical, and the surface of the rotating sleeve (4) is smooth and free of burrs.

8. The aero-engine flywheel mold injection molding nozzle rotation adjustment anti-blocking device according to claim 5, characterized in that: one side of the rotating toothed ring (17) is provided with a power device, the power device is meshed with the rotating toothed ring (17), and the top of the fixed rod (12) is provided with a control device.