CN217701348U

CN217701348U - Sintering device capable of improving surface heterochrosis of metal injection molding product

Info

Publication number: CN217701348U
Application number: CN202221359987.2U
Authority: CN
Inventors: 常磊; 马涛; 徐玉荣; 李珍珍
Original assignee: Jiaozuo Qiangxin Mim Technology Co ltd
Current assignee: Jiaozuo Qiangxin Mim Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-01
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a can improve sintering device of metal injection moulding product surface heterochrosis, including the processing platform, the processing platform is fixed with the injection machine body through the mount pad, the symmetry is provided with two locating levers on the lateral wall of mount pad, the direction spout has been seted up on the processing platform, it is provided with first spacing seat and the spacing seat of second to slide in the direction spout, be fixed with L type supporting seat jointly on first spacing seat and the spacing seat of second, be equipped with the mould body on the L type supporting seat, two guiding holes have been seted up to the symmetry on the first spacing seat, two locating holes have been seted up to the symmetry on the spacing seat of second. Has the advantages that: the device has two kinds of precision and can be adjusted, the requirements of different injection molding processes are met, and under the high-precision condition, when small dislocation occurs between the injection machine body and the mold, the indicator can timely remind a worker to perform deviation rectifying operation.

Description

Sintering device capable of improving surface heterochrosis of metal injection molding product

Technical Field

The utility model relates to an injection moulding equipment technical field especially relates to a can improve sintering device of metal injection moulding product surface heterochrosis.

Background

In the process, factors such as alignment of a nozzle and a mold center, excessive material pipe excess, overlong molding period, too fast injection speed and the like all affect the molding quality of a finished product, so that black or other dark stripes appear on the surface of the product, wherein the position precision between the nozzle and the mold is reduced along with the increase of processing and production time, which is a common reason for causing the surface of an injection molding product to have different colors, and therefore, targeted improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the position precision between the nozzle and the mould becomes along with the increase of processing production time in the prior art, leading to the different color on surface to appear in the injection moulding product, and the sintering device that can improve the different color on metal injection moulding product surface that proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a can improve sintering device of metal injection moulding product surface heterochrosis, includes the processing platform, the processing platform is fixed with the injection machine body through the mount pad, the symmetry is provided with two locating levers on the lateral wall of mount pad, the direction spout has been seted up on the processing platform, it is provided with first spacing seat and the spacing seat of second to slide in the direction spout, be fixed with L type supporting seat jointly on first spacing seat and the spacing seat of second, be equipped with the mould body on the L type supporting seat, two guiding holes have been seted up to the symmetry on the first spacing seat, two locating holes have been seted up to the symmetry on the spacing seat of second.

Furthermore, the L-shaped supporting seat comprises a bottom plate and a side plate, a hydraulic cylinder is fixed on the processing table, and the output end of the hydraulic cylinder is fixedly connected with the side plate of the L-shaped supporting seat.

Furthermore, two all be equipped with annular bag in the locating hole, two the inboard of annular bag all circumference is provided with a plurality of short columns, two the internal diameter of annular bag all is less than the diameter that corresponds the guiding hole.

Furthermore, a liquid storage groove is formed in the second limiting seat, the two annular bags are communicated with the liquid storage groove, and oil liquid is filled in the two annular bags.

Further, the liquid storage tank is internally provided with a sealing plate in a sealing and sliding mode, the sealing plate is T-shaped, a plurality of supporting springs are symmetrically connected between the sealing plate and the inner bottom wall of the liquid storage tank, and the liquid storage tank is internally provided with a pressure sensor.

Furthermore, be equipped with wireless signal transmitter in the spacing seat of second, and wireless signal transmitter and pressure sensor electric connection, the processing bench is provided with the indicator, and indicator and wireless signal transmitter electric connection.

The utility model has the advantages of it is following:

1. the device has two types of adjustable precision, meets the requirements of different injection molding processes, and can remind workers of performing deviation rectifying operation in time by the indicator when small dislocation occurs between the injection machine body and the mold under the high-precision condition;

2. this device can improve the leakproofness between injection machine body and the mould body, avoids in the injection process, and injection nozzle department closure degree is inseparable enough to lead to the air to melt into the material and enter into the mould thereupon, reduces product size deviation, and in sintering process, sample base temperature variation is more stable, reduces the probability that the product heterochrosis appears in the forming process.

Drawings

FIG. 1 is a schematic structural diagram of a sintering apparatus for improving the surface color of a metal injection molded product according to the present invention;

FIG. 2 is a side sectional view of a second limiting seat of a sintering device for improving the color variation of the surface of a metal injection molded product according to the present invention;

fig. 3 is a schematic front structural view of an annular pocket and a short column in a sintering device for improving the surface color of a metal injection molding product according to the present invention.

In the figure: the injection molding machine comprises an injection machine body 1, a mounting seat 2, a processing table 3, a first limiting seat 4, a second limiting seat 5, a guide chute 6, an indicator 7, a hydraulic cylinder 8, a 9L-shaped supporting seat, a mold body 10, a positioning rod 11, a positioning hole 12, an annular bag 13, a short column 14, a liquid storage tank 15, a sealing plate 16, a pressure sensor 17, a supporting spring 18 and a wireless signal transmitter 19.

Detailed Description

Referring to fig. 1-3, a sintering device capable of improving the surface color of a metal injection molding product, which includes a processing table 3, the processing table 3 is fixed with an injection machine body 1 through a mounting seat 2, the injection machine body 1 includes an inlet pipe and an injection end, an electric control valve is arranged on the inlet pipe, two positioning rods 11 are symmetrically arranged on the side wall of the mounting seat 2, a guide chute 6 is arranged on the processing table 3, a first limit seat 4 and a second limit seat 5 are arranged in the guide chute 6 in a sliding manner, an L-shaped support seat 9 is jointly fixed on the first limit seat 4 and the second limit seat 5, a mold body 10 is arranged on the L-shaped support seat 9, the first limit seat 4 and the second limit seat 5 can drive the mold body 10 to stably slide on the processing table 3 through the L-shaped support seat 9, two guide holes are symmetrically arranged on the first limit seat 4, the positions of the guide holes correspond to the positions of the positioning rods 11, the diameters of the guide holes are slightly larger than the diameters of the positioning rods 11, and two positioning holes 12 are symmetrically arranged on the second limit seat 5.

L type supporting seat 9 includes bottom plate and curb plate, is fixed with pneumatic cylinder 8 on the processing platform 3, and pneumatic cylinder 8's output and L type supporting seat 9's curb plate fixed connection.

The two positioning holes 12 are internally provided with annular bags 13, the inner sides of the two annular bags 13 are circumferentially provided with a plurality of short columns 14, the inner diameters of the two annular bags 13 are smaller than the diameters of the corresponding guide holes, the short columns 14 jointly form a channel, when the injection machine body 1 is completely aligned with the mold body 10, the positioning rods 11 just pass through the channels formed by the short columns 14, the annular bags 13 are not deformed or have small deformation, and the capacity of the annular bags 13 is slightly small, the short columns 14 are made of light materials, the shapes of the annular bags 13 are hardly influenced by gravity and are cylindrical in a natural state, the force required by deformation of the annular bags 13 is larger than the force required by compression of the supporting springs 18, and when a certain area of the annular bags 13 is extruded, oil can enter the liquid storage tank 15.

A liquid storage tank 15 is arranged in the second limiting seat 5, the two annular bags 13 are communicated with the liquid storage tank 15, oil liquid is filled in the two annular bags 13, and the oil liquid is located in the annular bags 13 and above the sealing plate 16.

A sealing plate 16 is arranged in the liquid storage tank 15 in a sealing and sliding manner, the sealing plate 16 is T-shaped, a plurality of supporting springs 18 are symmetrically connected between the sealing plate 16 and the bottom wall of the liquid storage tank 15, a pressure sensor 17 is arranged in the liquid storage tank 15, the position of the pressure sensor 17 corresponds to the middle of the sealing plate 16, an air hole (not shown) communicated with the outside is formed in the bottom of the liquid storage tank 15, and the air hole can balance the pressure below the sealing plate 16.

A wireless signal transmitter 19 is arranged in the second limiting seat 5, the wireless signal transmitter 19 is electrically connected with the pressure sensor 17, an indicator 7 is arranged on the processing table 3, the indicator 7 is electrically connected with the wireless signal transmitter 19, the wireless signal transmitter 19 mainly receives a pressure signal detected by the pressure sensor 17 and converts the pressure signal into an electric signal to be transmitted to an external controller, the external controller is an integrated circuit or a computer which can control the working state of an electric power element and is obtained in the prior art, the external controller controls the indicator 7 to be turned on after receiving a specific electric signal, and the indicator 7 is a warning lamp, a buzzer or other devices with a reminding function.

When the device is used, the injection machine body 1 is fixed on the mounting seat 2, when the hydraulic cylinder 2 is opened and the L-shaped supporting seat 9 is pushed towards the injection machine body 1, the positioning rod 11 sequentially penetrates through the first limiting seat 4 and the second limiting seat 5, if the injection machine body 1 is completely aligned with the mold body 10, the positioning rod 11 just penetrates out of the positioning hole 12 from the central positions of the annular bag 13 and the short column 14, at the moment, the annular bag 13 is not extruded or has small deformation, the sealing plate 16 is not in contact with the pressure sensor 17, after the L-shaped supporting seat 9 reaches a certain stroke, the injection machine body 1 injects materials into the mold body 10, and after the injection is finished, the hydraulic cylinder 8 drives the L-shaped supporting seat 9 to reset;

when small dislocation exists between the injection machine body 1 and the mold body 10, the positioning rod 11 can penetrate through the first limiting seat 4 and is no longer located at the central axis of the annular bag 13, at the moment, the annular bag 13 is extruded by the short column 14, and because resistance to oil flowing into the liquid storage tank 15 is relatively small, the sealing plate 16 in the liquid storage tank 15 moves downwards, so that the pressure sensor 17 is extruded, at the moment, the wireless signal transmitter 19 transmits signal changes outwards, the indicator 7 is opened, so that a worker can find the position in time, and the deviation correction operation is quickly performed;

if the accuracy of the device is not required to be the highest, the current of the circuit where the indicator 7 is located can be cut off, the positioning is carried out only by the first limit seat 4, the positioning rod 11 presses the annular bag 13 through the short column 14 at the moment, the indicator 7 does not flicker or buzz, and when the high-accuracy injection is required to be recovered, the circuit where the indicator 7 is located can be conducted again.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can improve sintering device of metal injection moulding product surface heterochrosis, includes processing platform (3), and processing platform (3) are fixed with injection machine body (1) through mount pad (2), its characterized in that, the symmetry is provided with two locating levers (11) on the lateral wall of mount pad (2), processing platform (3) are gone up and have been seted up direction spout (6), it is provided with first spacing seat (4) and second spacing seat (5) to slide in direction spout (6), be fixed with L type supporting seat (9) jointly on first spacing seat (4) and the second spacing seat (5), be equipped with mould body (10) on L type supporting seat (9), two guiding holes have been seted up to the symmetry on first spacing seat (4), two locating holes (12) have been seted up to the symmetry on the second spacing seat (5).

2. The sintering device for improving the surface color of the metal injection molding product according to claim 1, wherein the L-shaped supporting seat (9) comprises a bottom plate and a side plate, a hydraulic cylinder (8) is fixed on the processing table (3), and the output end of the hydraulic cylinder (8) is fixedly connected with the side plate of the L-shaped supporting seat (9).

3. The sintering device for improving the surface color difference of the metal injection molding product according to claim 1, wherein two positioning holes (12) are provided with annular bags (13), the inner sides of the two annular bags (13) are circumferentially provided with a plurality of short columns (14), and the inner diameters of the two annular bags (13) are smaller than the diameters of the corresponding guiding holes.

4. The sintering device for improving the color cast on the surface of a metal injection molding product according to claim 3, wherein a liquid storage tank (15) is formed in the second limiting seat (5), the two annular bags (13) are both communicated with the liquid storage tank (15), and oil is filled in the two annular bags (13).

5. The sintering device for improving the surface color of the metal injection molding product according to claim 4, characterized in that a sealing plate (16) is arranged in the liquid storage tank (15) in a sealing and sliding manner, the sealing plate (16) is T-shaped, a plurality of supporting springs (18) are symmetrically connected between the sealing plate (16) and the bottom wall of the liquid storage tank (15), and a pressure sensor (17) is arranged in the liquid storage tank (15).

6. The sintering device for improving the surface color of the metal injection molding product according to claim 5, wherein a wireless signal transmitter (19) is disposed in the second limiting seat (5), the wireless signal transmitter (19) is electrically connected to the pressure sensor (17), the processing table (3) is disposed with an indicator (7), and the indicator (7) is electrically connected to the wireless signal transmitter (19).