CN218964036U

CN218964036U - Metal injection forming mechanism for titanium alloy powder metallurgy

Info

Publication number: CN218964036U
Application number: CN202223110070.1U
Authority: CN
Inventors: 陈乃彦; 王平平; 高东辉
Original assignee: Shenzhen Sancheng Target Technology Co ltd
Current assignee: Shenzhen Sancheng Target Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-05
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a metal injection molding mechanism for titanium alloy powder metallurgy, which comprises the following components: the automatic feeding device comprises a first hydraulic cylinder, a charging basket, a pushing tube, a base shell and a second hydraulic cylinder, wherein a first hydraulic rod is arranged on the lower surface of the first hydraulic cylinder, a heater is arranged on the circumferential surface of the pushing tube, a pressure stabilizing piston is arranged in the charging basket, a feeding hole is formed in the left end face of the charging basket, a conveying tube is fixed on the lower surface of the charging basket, a first electric door is arranged in the inner part of the conveying tube, a first electric pushing rod is arranged on the lower surface of the first electric door, the right end face of the conveying tube is connected with the pushing tube, and a second electric door is arranged in the inner part of the pushing tube. Through increasing voltage stabilizing piston, hydraulic stem, electric valve and No. two electric valves, when advancing the pipe and carrying out the injection, directly advance, advance intraductal hydraulic pressure stability, realize the even injection of titanium alloy powder.

Description

Metal injection forming mechanism for titanium alloy powder metallurgy

Technical Field

The utility model belongs to the field of injection molding equipment, and particularly relates to a metal injection molding mechanism for titanium alloy powder metallurgy.

Background

At present, the powder injection molding technology is a novel near-net powder metallurgy molding technology formed by introducing a modern plastic injection molding technology into the field of powder metallurgy, combines the advantages of the two technologies of powder metallurgy and plastic injection molding, breaks through the limitation of the traditional metal powder compression molding technology on the product shape, simultaneously can mold three-dimensional parts with complex shapes in a large scale and high efficiency, has the incomparable advantages of the conventional powder metallurgy, precision machining, precision casting and other processing methods, can mold metal and ceramic parts with complex shapes at one time like the production of plastic products, and is widely applied to the industries of national defense, communication, machinery, automobiles, medical treatment and the like at present.

However, most injection molding machines in the market adopt screw structures, and uneven feeding may occur, resulting in defects in the product.

Therefore, there is a need for a metal injection molding mechanism for titanium alloy powder metallurgy.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a metal injection forming mechanism for titanium alloy powder metallurgy, which solves the problems in the background art by adding a voltage stabilizing piston, a first hydraulic rod, a first electric door and a second electric door.

The technical scheme of the utility model is realized as follows: a metal injection molding mechanism for titanium alloy powder metallurgy, comprising: the hydraulic cylinder, the storage bucket, advance pipe, base shell and pneumatic cylinder No. two, the right-hand member face-mounting of pneumatic cylinder No. one has No. one the hydraulic stem, install the heater on the circumference surface of advance pipe, the internally mounted of storage bucket has the steady voltage piston, the feed inlet has been seted up on the left end face of advance pipe, fixed surface has the conveying pipeline under the storage bucket, the internally mounted of conveying pipeline has No. one electric valve, surface mounting has No. one the electric push rod under the electric valve, the right-hand member face and the propulsion union coupling of conveying pipeline, the internally mounted of advance pipe has No. two electric gates, no. two electric push rods are installed to the right-hand member face-mounting of electric gate, no. two electric push rods are installed at the right-hand member face of advance pipe, no. one electric push rod is installed at the left end face of advance pipe, the lower surface mounting of advance pipe has the baffle, no. three electric push rods of lower surface mounting of baffle, the surface mounting has No. one electric push rod, the surface mounting of mould on the baffle has No. one, no. two surface mounting has No. two the bottom plates, the bottom plate is installed to the surface mounting has the bottom plate, the bottom plate is installed to the surface mounting of bottom plate, the bottom plate is installed to the bottom plate.

As a preferred embodiment, the first hydraulic rod is installed inside the propulsion pipe, and the sealing rubber ring is wrapped on the circumferential surface of the first hydraulic rod.

As a preferred embodiment, the left end of the upper surface of the conveying pipe is connected with a charging basket, the first electric valve is arranged at the right end of the inner part of the conveying pipe, and the lower end of the pushing pipe is funnel-shaped.

As a preferable implementation mode, the upper surface and the lower surface of the partition plate are provided with material openings communicated with the material injection openings, and the third electric pushing rod is arranged at the left end of the lower surface of the partition plate.

As a preferable implementation mode, the upper surface of the T-shaped block is fixedly provided with two ejector rods, springs are arranged on the circumferential surfaces of the two ejector rods, the two ejector rods penetrate through the upper surface and the lower surface of the lower die, the T-shaped block is positioned right above the limiting block, and the bottom plate and parts on the lower side of the bottom plate are all arranged inside the base shell.

After the technical scheme is adopted, the utility model has the beneficial effects that: through increasing voltage stabilizing piston, hydraulic stem, electric valve and No. two electric valves, when advancing the pipe and carrying out the injection, directly advance, advance intraductal hydraulic pressure stability, realize the even injection of titanium alloy powder.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of a metal injection molding mechanism for titanium alloy powder metallurgy according to the present utility model.

Fig. 2 is an enlarged schematic view of a point a in a metal injection molding mechanism for powder metallurgy of titanium alloy according to the present utility model.

In the figure, a hydraulic cylinder 1-No. 1, a hydraulic rod 2-No. 1, a pushing tube 3-, a heater 4-, a pressure stabilizing piston 5-, a feeding port 6-, a charging barrel 7-, a conveying pipe 8-No. 9-No. 1 electric valve, an electric pushing rod 10-No. 1, an electric valve 11-No. two, an electric pushing rod 12-No. two, a material injection port 13-, an electric pushing rod 14-No. three, a partition plate 15, a base shell 16-a base 17-upper die, a lower die 18-lower die 19-ejector rod, a spring 20-, a T-shaped block 21-shaped support block 22-shaped, a base plate 23-shaped bottom plate 24-No. two hydraulic rods 25-limited blocks and a hydraulic cylinder 26-No. two.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 2, the present utility model provides a technical solution: a metal injection molding mechanism for titanium alloy powder metallurgy, comprising: the hydraulic cylinder 1, the charging basket 7, the propelling tube 3, the base shell 16 and the hydraulic cylinder 26 are arranged on the lower surface of the hydraulic cylinder 1, the hydraulic rod 2 is arranged on the circumferential surface of the propelling tube 3, the heater 4 is arranged on the inner part of the charging basket 7, the pressure stabilizing piston 5 is arranged in the inner part of the charging basket 7, the feed inlet 6 is arranged on the left end surface of the charging basket 7, the conveying tube 8 is fixedly arranged on the lower surface of the charging basket 7, the electric valve 9 is arranged in the inner part of the conveying tube 8, the electric push rod 10 is arranged on the lower surface of the electric valve 9, the right end surface of the conveying tube 8 is connected with the propelling tube 3, the electric push rod 11 is arranged in the inner part of the propelling tube 3, the electric push rod 12 is arranged on the right end surface of the electric push rod 11, the electric push rod 10 is arranged on the left end surface of the propelling tube 3, the lower surface of the propelling tube 3 is provided with the feed outlet 13, the lower surface mounting of propulsion pipe 3 has baffle 15, the lower surface mounting of baffle 15 has No. three electric push rod 14, the lower surface mounting of baffle 15 has upper die 17, the lower surface mounting of upper die 17 has lower die 18, the upper surface and the lower surface of lower die 18 are run through by ejector pin 19, the lower surface mounting of ejector pin 19 has T type piece, be wrapped up by spring 20 on the circumference surface of ejector pin 19, the lower surface mounting of T type piece 21 has bottom plate 23, the upper surface mounting of bottom plate 23 has supporting shoe 22, the right-hand member face and the upper die 17 of supporting shoe 22 are connected, the lower surface mounting of bottom plate 23 has No. two hydraulic stems 24, the lower surface mounting of No. two hydraulic stems 24 has No. two pneumatic cylinders 26, the upper surface mounting of No. two pneumatic cylinders 26 stopper 25, no. two pneumatic cylinders 26 are installed in the inside of base shell 16.

The first hydraulic rod 2 is arranged inside the propulsion pipe 3, and the circumference surface of the first hydraulic rod 2 is wrapped with a sealing rubber ring.

The left end of conveying pipe 8 upper surface is connected with storage bucket 7, and No. one electric door 9 is installed in the position of conveying pipe 8 inside right-hand member, and the lower extreme of propulsion pipe 3 is the infundibulate, installs sealed rubber ring on the surface of No. one electric door 9 and No. two electric doors 11, prevents that titanium alloy powder from revealing.

The upper surface and the lower surface of baffle 15 have seted up feed opening and has penetrated feed opening 13 intercommunication, and No. three electricity catch bar 14 are installed in the left end of baffle 15 lower surface, and the upper surface of T type piece is fixed with two ejector pins 19, all installs spring 20 on the circumference surface of two ejector pins 19, and two ejector pins 19 all run through the upper surface and the lower surface of bed die 18, and T type piece 21 is located the stopper 25 directly over, and the part of bottom plate 23 and bottom plate 23 downside is whole installs inside base shell 16.

As an embodiment of the present utility model: before starting up, checking whether the injection molding machine is normal or not, after confirming that no faults exist, connecting a first hydraulic cylinder 1 and a second hydraulic cylinder 26 on a hydraulic system, adding titanium alloy powder into a feed barrel 7 from a feed inlet 6, sealing the feed inlet 6, controlling a first electric push rod 10 to open a first electric valve 9 and simultaneously opening the first hydraulic cylinder 1 and a heater 4 when preparing injection molding, enabling the first hydraulic rod 2 to move upwards, increasing the space in a push tube 3 due to the upward movement of the first hydraulic rod 2, reducing the pressure, sucking titanium alloy powder in a charging barrel 7 into the push tube 3 by the push tube 3, reducing the pressure stabilizing piston 5 along with the falling of the upper surface of the titanium alloy powder when the titanium alloy powder enters the push tube 3, stabilizing the pressure, heating and plasticizing the titanium alloy powder by the heater 4 when all the titanium alloy powder enters the push tube 3, the pressure stabilizing piston 5 is positioned at the lowest end of the charging basket 7, at this time, the first electric push rod 10 is controlled to close the first electric valve 9, the second electric push rod 12 is controlled to open the second electric valve 11, then the first hydraulic cylinder 1 is controlled to move downwards, titanium alloy powder is injected between the upper die 17 and the lower die 18 through the material injection hole 13, after waiting for a moment of cooling, the second hydraulic cylinder 26 is opened to control the second hydraulic rod 24 to move downwards, the second hydraulic rod 24 drives the bottom plate 23 to move downwards, the bottom plate 23 moves downwards to drive the T-shaped block 21 and the lower die 18 to move downwards, the T-shaped block 21 moves downwards to drive the ejector rod 19 to move downwards, when the lower surface of the T-shaped block contacts with the lower surface of the limiting block 25, the hydraulic rod continues to move downwards to drive the lower die 18 to move downwards, the T-shaped block 21 stops moving, the ejector rod 19 also stops moving, at this time, the spring 20 is compressed by the lower die 18, simultaneously, the upper surface of the ejector rod 19 passes through the upper surface of the lower die 18 to jack up the formed product, so that the product is separated from the upper surface of the lower die 18, then the third electric pushing rod 14 is opened, the third electric pushing rod 14 is extended, the formed product is pushed out, at the moment, one product is completed, when the second product needs to be continuously manufactured, the first hydraulic cylinder 1 is lifted to the top end, the first electric valve 9 is opened to close the second electric valve 11, then the first hydraulic rod 2 is lowered to the bottom end, at the moment, the pressure stabilizing piston 5 is flushed to the top end of the charging bucket 7 by liquid, the second electric valve 11 is opened to close the first electric valve 9, the first hydraulic rod 2 is lifted to the top end, at the moment, the whole machine returns to the initial state, and the next production can be continuously performed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A metal injection molding mechanism for titanium alloy powder metallurgy, comprising: the hydraulic cylinder I, the storage bucket, impel pipe, base shell and No. two pneumatic cylinders, its characterized in that: the hydraulic cylinder I is characterized in that a hydraulic rod I is arranged on the lower surface of the hydraulic cylinder I, a heater is arranged on the circumferential surface of the propulsion pipe, a pressure stabilizing piston is arranged in the charging basket, a feed inlet is formed in the left end face of the charging basket, a conveying pipe is fixed on the lower surface of the charging basket, an electric door I is arranged in the conveying pipe, an electric push rod I is arranged on the lower surface of the electric door I, the right end face of the conveying pipe is connected with the propulsion pipe, a second electric push rod I is arranged in the propulsion pipe, a second electric push rod I is arranged on the right end face of the second electric push rod I, and a third electric push rod I is arranged on the left end face of the propulsion pipe;

the lower surface of the pushing tube is provided with a material injection hole, the lower surface of the pushing tube is provided with a baffle, the lower surface of the baffle is provided with a third electric pushing rod, the lower surface of the baffle is provided with an upper die, the lower surface of the upper die is provided with a lower die, the upper surface and the lower surface of the lower die are penetrated by a push rod, the lower surface of the push rod is fixedly provided with a T-shaped block, the circumferential surface of the push rod is wrapped by a spring, the lower surface of the T-shaped block is provided with a bottom plate, the upper surface of the bottom plate is provided with a supporting block, and the right end surface of the supporting block is connected with the upper die;

the lower surface mounting of bottom plate has No. two hydraulic levers, no. two hydraulic cylinders are installed to No. two hydraulic levers's lower surface mounting, no. two hydraulic cylinders's upper surface mounting has the stopper, no. two hydraulic cylinders are installed in the inside of base shell.

2. A metal injection molding mechanism for titanium alloy powder metallurgy according to claim 1, wherein: the first hydraulic rod is arranged inside the pushing tube, and the circumferential surface of the first hydraulic rod is wrapped with a sealing rubber ring.

3. A metal injection molding mechanism for titanium alloy powder metallurgy according to claim 1, wherein: the left end of conveying pipeline upper surface is connected with the storage bucket, first electric door installs the position at the inside right-hand member of conveying pipeline, the lower extreme of propulsion pipe is the funnel shape.

4. A metal injection molding mechanism for titanium alloy powder metallurgy according to claim 1, wherein: the upper surface and the lower surface of the partition plate are provided with a material opening communicated with the material injection opening, and the third electric pushing rod is arranged at the left end of the lower surface of the partition plate.

5. A metal injection molding mechanism for titanium alloy powder metallurgy according to claim 1, wherein: the upper surface of T type piece is fixed with two ejector pins, two all install the spring on the circumference surface of ejector pin, two the ejector pin all runs through the upper surface and the lower surface of bed die, T type piece is located the stopper directly over, the part of bottom plate and bottom plate downside is whole installs inside the base shell.