CN111016096B

CN111016096B - Guide rod opening and closing type alignment pressure applying device for pressure injection molding

Info

Publication number: CN111016096B
Application number: CN201911169487.5A
Authority: CN
Inventors: 张清; 王猛; 艾鹏; 王兴雅; 孙士江
Original assignee: AECC Shenyang Liming Aero Engine Co Ltd
Current assignee: AECC Shenyang Liming Aero Engine Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2021-09-10
Anticipated expiration: 2039-11-26
Also published as: CN111016096A

Abstract

The invention discloses a guide rod open-close type alignment pressure applying device for pressure injection molding, which comprises: the device comprises a T-shaped head, a guide sleeve assembly, a pressure head, a plurality of guide rods, fastening screws, limiting screws, positioning pins and coil springs; the pressure head is sleeved on the outer surface of the lower part of the T-shaped head and fixed through a fastening screw, and a horizontal groove and a chute extending downwards are formed in the outer surface of the pressure head; the guide sleeve assembly comprises a guide sleeve, a hand ring and a connecting rod, the guide sleeve assembly is sleeved on the pressure head, and the limiting screw is fixed on the guide sleeve and limited in the horizontal groove; the guide rods are fixed on the pressure head in a horizontally opened state through the positioning pins and the coil springs respectively; the guide sleeve assembly moves downwards along the horizontal groove and the chute, the guide rod is pressed down through the lower end of the guide sleeve to be in a vertical closed state, and the plurality of closed guide rods clamp the piston of the glue injection barrel. The automatic aligning and pressing device is simple in structure and convenient to operate, and can guide the plunger of the press machine to be automatically aligned with and pressed by the piston of the glue injection barrel.

Description

Guide rod opening and closing type alignment pressure applying device for pressure injection molding

Technical Field

The invention relates to the field of pressure injection molding of viscous-state silicone resin (silicone rubber) products, in particular to pressure injection molding of silicone resin (silicone rubber) taking glass beads as fillers, and particularly provides a guide rod opening and closing type automatic alignment pressure applying device for guiding a plunger of a press machine and a piston pressure injection molding of a rubber injection barrel during preparation of parts with easily-abraded layers, so that an operator is protected.

Background

In the existing aviation power device, an inner ring of a stator component of a high-pressure compressor is filled with an easily-ground layer component containing glass bead silicon resin (silicon rubber), the component is filled with the inner ring, the end part of a blade is sealed and is in dynamic contact with a grate of a drum barrel to form a sealing surface, and the easily-ground aviation power device has the effects of sound insulation, noise reduction, weight reduction, fixation, support, shock absorption, sealing and the like and has the sealing performance under the easily-ground performance.

At present, the easily-abraded layer members are formed by adopting a pressure injection method, and the pressure injection forming is realized by utilizing a glue injection barrel and performing pressure propulsion through a plunger of a press machine. During the contact between the plunger of the press and the piston of the glue injection barrel, care needs to be taken to press the plunger in alignment with the piston. Carelessness may easily cause a safety accident by pinching the operator's finger between the plunger and the piston. If the piston of the positive glue injection barrel is not held by hands, the piston floats on the surface of the viscoelastic rubber mixture and is easy to topple, so that the plunger and the piston cannot be aligned and pressed.

Disclosure of Invention

The invention aims to provide a guide rod opening and closing type aligning and pressing device for pressure injection molding, which can guide a plunger of a press machine to align and press with a piston of a glue injection barrel and has the function of protecting fingers.

The technical scheme of the invention is as follows: a guide rod open-close type alignment pressure applying device for pressure injection molding is used for guiding a plunger 1 of a press machine to be aligned with a piston 11 of a glue injection barrel for applying pressure, and comprises: the device comprises a T-shaped head 3, a guide sleeve component 4, a pressure head 5, a plurality of guide rods 6, a fastening screw 7, a limiting screw 8, a positioning pin 9 and a coil spring 10; the T-shaped head 3 is fixed on a plunger 1 of the press machine through a screw 2, the pressure head 5 is sleeved on the outer surface of the lower part of the T-shaped head 3 and is fixed through a fastening screw 7, and a horizontal groove 5a and a chute 5b which extends downwards and is communicated with the horizontal groove 5a are formed in the outer surface of the pressure head 5; the guide sleeve assembly 4 comprises a guide sleeve 4a, a handrail ring 4b and a connecting rod 4c welded between the guide sleeve and the handrail ring, the guide sleeve assembly 4 is sleeved on the pressure head 5, and the limiting screw 8 is fixed on the guide sleeve 4a and limited in the horizontal groove 5 a; the guide rods 6 are fixed on the pressure head 5 in a horizontal opening state through positioning pins 9 and coil springs 10 respectively; the guide sleeve assembly 4 moves downwards along the horizontal groove 5a and the chute 5b, the guide rod 6 is pressed down through the lower end of the guide sleeve 4a, the guide rod 6 rotates downwards around the positioning pin 9 to be in a vertical closed state, and the plurality of closed guide rods 6 clamp the piston 11 of the glue injection barrel.

Preferably, the number of the guide rods 6 is 4, and the 4 guide rods 6 are symmetrically arranged on the pressure head 5.

Preferably, the number of the connecting rods 4c is 3, and the 3 connecting rods 4c are uniformly welded between the guide sleeve 4a and the handrail ring 4b along the circumferential direction.

The invention has the following beneficial effects:

the automatic alignment and pressure application device is simple in structure and convenient to operate, can realize the automatic alignment and pressure application of the plunger of the pressure machine and the piston of the glue injection barrel, has the function of protecting fingers, and is visible in the position of the piston of the glue injection barrel.

Drawings

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

FIG. 2 is a schematic view of the guide bar in the open state of the present invention;

FIG. 3 is a schematic view showing a closed guiding state of the guide bar according to the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 1;

FIG. 5 is a front view of the guide sleeve assembly of the present invention;

FIG. 6 is a top view of the guide sleeve assembly of the present invention;

FIG. 7 is a front view of the guide bar of the present invention;

FIG. 8 is a side view of the guide bar of the present invention;

FIG. 9 is a cross-sectional view B-B of FIG. 7;

FIG. 10 is a front view of the indenter of the present invention;

FIG. 11 is a top view of the ram of the present invention;

FIG. 12 is a cross-sectional view C-C of FIG. 10;

FIG. 13 is a front view of the coil spring of the present invention;

FIG. 14 is a top view of a coil spring of the present invention;

in the figure: 1. a plunger of a press; 2. a screw; 3. a T-shaped head; 4. a guide sleeve assembly; 4a, a guide sleeve; 4b, holding the bracelet; 4c, a connecting rod; 5. a pressure head; 5a, a horizontal groove; 5b, a chute; 6. a guide bar; 7. fastening screws; 8. a limit screw; 9. positioning pins; 10. a coil spring; 11. and a piston of the glue injection barrel.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

As shown in fig. 1 to 14, a guide rod opening and closing type aligning and pressing device for injection molding, which is used for guiding a plunger 1 of a press machine to align and press with a piston 11 of an injection molding barrel, comprises: the device comprises a T-shaped head 3, a guide sleeve component 4, a

pressure head

5, 4 guide rods 6, a fastening screw 7, a limiting screw 8, a positioning pin 9 and a coil spring 10; the T-shaped head 3 is fixed on a plunger 1 of the press machine through a screw 2, the pressure head 5 is sleeved on the outer surface of the lower part of the T-shaped head 3 and is fixed through a fastening screw 7, and the outer surface of the pressure head 5 is provided with a horizontal groove 5a and a chute 5b which is communicated with the horizontal groove 5a and extends downwards; the guide sleeve component 4 comprises a guide sleeve 4a, a

handrail ring

4b and 3 connecting rods 4c which are uniformly welded between the guide sleeve and the handrail ring along the circumferential direction, the guide sleeve component 4 is sleeved on the pressure head 5, and a limit screw 8 is fixed on the guide sleeve 4a and is limited in the horizontal groove 5 a; the 4 guide rods 6 are symmetrically fixed on the pressure head 5 in a horizontal opening state through a positioning pin 9 and a coil spring 10 respectively; the guide sleeve assembly 4 moves downwards along the horizontal groove 5a and the chute 5b, the guide rod 6 is pressed down through the lower end of the guide sleeve 4a, so that the guide rod 6 rotates downwards around the positioning pin 9 to be in a vertical closed state, and the plurality of closed guide rods 6 clamp the piston 11 of the glue injection barrel.

The components are combined and installed as follows:

and (4) combining the guide sleeve assembly: as shown in fig. 5 and 6, the armrest ring 4b, the guide sleeve 4a, and the 3 connecting rods 4c are first combined by welding, and then the limit screw 8 is mounted on the guide sleeve 4a to form the guide sleeve assembly 4.

The pressure device combination: as shown in fig. 1, the guide bar 6 is first combined with the ram 5 by the positioning pin 9 and the coil spring 10. And then the guide sleeve component 4 is sleeved on the pressure head 5, the limiting screw 8 is aligned to the horizontal groove 5a of the pressure head 5, the T-shaped head 3 and the pressure head 5 are positioned and spliced through the cylindrical surface and fastened through the screw 7, and thus the assembly of the pressure applying device is finished.

Installing a pressing device: as shown in fig. 2, the assembled T-shaped head 3 of the pressing device is assembled with the flange of the plunger 1 of the press and fastened by the screws 2, so that the pressing device is assembled.

The working process of the invention is as follows:

(1) the opening state of the guide rod: as shown in fig. 2, the guide sleeve assembly 4 is pushed upwards along the inclined groove 5b on the pressure head 5, and after being pushed to the uppermost position, the guide sleeve assembly 4 is rotated rightwards, and the guide sleeve assembly 4 is hung on the pressure head 5 under the action of self weight for standby.

(2) Guide rod closed guide state: as shown in fig. 3, the guide sleeve assembly 4 suspended on the pressure head 5 is rotated to the left and stopped, moved down along the chute 5b on the pressure head 5, and the guide rod 6 is pressed down to close the guide rod 6, sleeved on the piston 11 of the glue injection barrel placed on the press platform 12, and drooped by the self weight of the guide sleeve assembly 4 to close the guide rod 6 to clamp the piston 11 of the glue injection barrel for standby.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pressure injection molding is with guide arm open-close type pressure applying device that adjusts well for guide plunger (1) of press is adjusted well with piston (11) of the bucket of gluing and is exerted pressure, its characterized in that includes: the device comprises a T-shaped head (3), a guide sleeve assembly (4), a pressure head (5), a plurality of guide rods (6), a fastening screw (7), a limiting screw (8), a positioning pin (9) and a coil spring (10); the T-shaped head (3) is fixed on a plunger (1) of the press machine through a screw (2), the pressure head (5) is sleeved on the outer surface of the lower part of the T-shaped head (3) and fixed through a fastening screw (7), and a horizontal groove (5a) and a chute (5b) which extends downwards and is communicated with the horizontal groove (5a) are formed in the outer surface of the pressure head (5); the guide sleeve assembly (4) comprises a guide sleeve (4a), a hand ring (4b) and a connecting rod (4c) welded between the guide sleeve and the hand ring, the guide sleeve assembly (4) is sleeved on the pressure head (5), and the limiting screw (8) is fixed on the guide sleeve (4a) and limited in the horizontal groove (5 a); the guide rods (6) are fixed on the pressure head (5) in a horizontal opening state through positioning pins (9) and coil springs (10); the guide sleeve assembly (4) moves downwards along the horizontal groove (5a) and the chute (5b), the guide rod (6) is pressed down through the lower end of the guide sleeve (4a) to enable the guide rod (6) to rotate downwards around the positioning pin (9) to be in a vertical closed state, and the plurality of closed guide rods (6) clamp the piston (11) of the glue injection barrel.

2. The guide rod opening and closing type aligning and pressing device for injection molding according to claim 1, wherein the number of the guide rods (6) is 4, and 4 guide rods (6) are symmetrically arranged on the pressure head (5).

3. The guide rod opening-closing type aligning and pressing device for injection molding according to claim 1, wherein the number of the connecting rods (4c) is 3, and the 3 connecting rods (4c) are uniformly welded between the guide sleeve (4a) and the handrail ring (4b) along the circumferential direction.