CN211730071U

CN211730071U - Exhaust structure of injection mold

Info

Publication number: CN211730071U
Application number: CN201922280383.3U
Authority: CN
Inventors: 刘箭; 欧忠
Original assignee: Suzhou Jinaifeng Precision Hardware Technology Co ltd
Current assignee: Suzhou Jinaifeng Precision Hardware Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-23
Anticipated expiration: 2029-12-18

Abstract

The utility model provides an injection mold's exhaust structure. The air exhaust groove is formed in each of the static template and the movable template, a first baffle is installed at the port of each air exhaust groove, air holes are uniformly formed in the surface of each first baffle, a connecting mechanism is arranged between the first baffles, and a filtering mechanism is arranged on the inner wall of each air exhaust groove. The utility model provides an injection mold's exhaust structure can carry the dust in the air in gaseous or the die cavity existing in the material secretly and pass through filter screen and opening, collect the inside of collecting the box, then through the pulling handle, will collect the box and take out, will collect the inside dust clearance of box and fall, the inner wall of dust attached to the air discharge duct has been avoided, it is blockked up to lead to the air discharge duct, cause the mould die cavity can not be full of, lead to the unclear problem in plastics edge, the messenger's of improving means reliability, can also avoid the dust in the air to enter into the inside of air discharge duct simultaneously, the inside clean degree of air discharge duct has been improved.

Description

Exhaust structure of injection mold

Technical Field

The utility model relates to an injection mold field especially relates to an injection mold's exhaust structure.

Background

The injection molding is a processing method used when producing some parts with complex shapes in batches, and particularly refers to injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, obtaining a formed product after cooling and solidification, and during production, materials in a feeding system need to be entrained with gas or air in the mold cavity needs to be discharged, so that the phenomenon that the gas is subjected to large compression to generate backpressure is avoided, the backpressure increases the mold filling flowing resistance of a molten material body, the molten plastics is prevented from being normally and rapidly filled, the mold cavity cannot be filled, and the plastic edges are unclear.

Traditional injection mold's exhaust mode sets up the air discharge groove and smugglies gaseous or the die cavity with the material and originally has the air discharge in, and the mould is at the in-process of placing, because the air discharge groove is very little, the dust in the gas can be attached to the inner wall of air discharge groove, leads to the air discharge groove to block up, causes the mould die cavity to be full of, leads to the unclear problem of plastics edge.

Therefore, it is necessary to provide a venting structure of an injection mold to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an injection mold's exhaust structure has solved the mould at the in-process of placing, because the air discharge duct is very little, the dust in the gas can adhere to the inner wall at the air discharge duct, leads to the air discharge duct to block up, causes the mould die cavity can not be full of, leads to the problem of the unclear problem of plastics edge.

For solving the technical problem, the utility model provides a pair of injection mold's exhaust structure, including quiet template and movable mould board, the air discharge duct has all been seted up on quiet template and the movable mould board, first baffle is installed to the port department of air discharge duct, the surface of first baffle evenly is provided with the gas pocket, be provided with coupling mechanism between the first baffle, the inner wall of air discharge duct is provided with filtering mechanism.

Preferably, the connecting mechanism comprises a clamping block and a clamping groove, the clamping block is installed on the first baffle, one end, far away from the first baffle, of the clamping block is embedded into the inner wall of the clamping groove, the clamping groove is formed in the second baffle, and the second baffle is installed on the movable template.

Preferably, filtering mechanism includes filter screen, fixed block and opening, filter screen fixed mounting is at the inner wall of air discharge duct, the inner wall of filter screen is inlayed and is had the fixed block, the fixed block is placed in the open-ended upper end, the tank bottom department at the air discharge duct is seted up to the opening, and the open-ended lower extreme is provided with the collection mechanism.

Preferably, collect the mechanism including collecting box, collecting vat, third baffle and handle, the inner wall of inlaying at the collecting vat of collecting box, the below at the air discharge duct tank bottom is seted up to the collecting vat, the third baffle is installed to the collecting box be close to collecting vat notch department, one side that the collecting box was kept away from to the third baffle is provided with the handle.

Preferably, the circle centers of the collecting groove and the exhaust groove are the same, and the collecting groove is arranged right below the opening.

Preferably, four groups of fixing blocks are arranged, and the fixing blocks are L-shaped.

Compared with the prior art, the utility model provides an injection mold's exhaust structure has following beneficial effect:

the utility model provides an exhaust structure of an injection mold,

1. through being provided with coupling mechanism and gas pocket, can block the exit of air discharge duct, avoid the dust in the air to enter into the inside of air discharge duct, can also pass through the gas pocket simultaneously, carry the material secretly gas or the die cavity in the original existence air escape, improved the inside clean degree of air discharge duct.

2. Through being provided with filter mechanism and collection mechanism mutually support and, can pass through filter screen and opening with the dust in the material smuggleing gas secretly or the original air in the die cavity, collect the inside of collecting the box, then through the pulling handle, will collect the box and take out, will collect the inside dust clearance of box, avoided the dust to adhere to the inner wall in air discharge duct, lead to the air discharge duct to be blockked up, cause the mould die cavity can not be full of, lead to the unclear problem of plastics edge, improve the messenger reliability of device.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an exhaust structure of an injection mold according to the present invention;

FIG. 2 is a schematic structural view of a front cross section of the first baffle shown in FIG. 1;

FIG. 3 is a schematic structural view of a front cross-section of the filter screen of FIG. 1;

FIG. 4 is a schematic top view of the cross-section of FIG. 1;

fig. 5 is an enlarged schematic structural view of a point a in fig. 3 shown in fig. 1.

Reference numbers in the figures: 1. the device comprises a static template, 2 a movable template, 3 an exhaust groove, 4 a first baffle, 5 a clamping block, 6 a clamping groove, 7 a second baffle, 8 a filter screen, 9 a fixing block, 10 an opening, 11 a collecting box, 12 a collecting groove, 13 a third baffle, 14 a handle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic front view structure; FIG. 2 is a schematic structural view of a front cross section of a first baffle; FIG. 3 is a schematic structural view of a front cross-section at a screen; FIG. 4 is a schematic top view; fig. 5 is an enlarged schematic view of a portion a in fig. 3. Injection mold's exhaust structure includes quiet template 1 and movable mould board 2, has all seted up exhaust duct 3 on quiet template 1 and the movable mould board 2, and first baffle 4 is installed to the port department of exhaust duct 3, and the surface of first baffle 4 evenly is provided with the gas pocket, is provided with coupling mechanism between the first baffle 4, and the inner wall of exhaust duct 3 is provided with filtering mechanism.

The connecting mechanism comprises a clamping block 5 and a clamping groove 6, the clamping block 5 is installed on the first baffle 4, one end, far away from the first baffle 4, of the clamping block 5 is embedded into the inner wall of the clamping groove 6, the clamping groove 6 is formed in the second baffle 7, and the second baffle 7 is installed on the movable die plate 2.

Filtering mechanism includes filter screen 8, fixed block 9 and opening 10, and filter screen 8 fixed mounting has fixed block 9 at the inner wall of air discharge duct 3, and the inner wall of filter screen 8 is inlayed, and fixed block 9 is placed in opening 10's upper end, and opening 10 is seted up in air discharge duct 3's tank bottom department, and opening 10's lower extreme is provided with the collection mechanism.

The collecting mechanism comprises a collecting box 11, a collecting groove 12, a third baffle 13 and a handle 14, the collecting box 11 is embedded in the inner wall of the collecting groove 12, the collecting groove 12 is arranged below the bottom of the exhaust groove 3, the third baffle 13 is arranged at the position, close to the groove opening of the collecting groove 12, of the collecting box 11, and the handle 14 is arranged on one side, away from the collecting box 11, of the third baffle 13.

The collecting groove 12 is at the same center as the exhaust groove 3, and the collecting groove 12 is arranged right below the opening 10.

Four groups of fixing blocks 9 are arranged, and the fixing blocks 9 are arranged in an L shape.

The utility model provides an injection mold's exhaust structure's theory of operation as follows:

when using, quiet template 1 tightly laminates with movable mould board 2 for fixture block 5 imbeds the inner wall of draw-in groove 6, thereby make first baffle 4 and second baffle 7 block the notch department of air discharge duct 3, then when having air escape in carrying gas or die cavity with feed system material, the dust that contains in the combustion gas can be attached to the inner wall of air discharge duct 3, thereby enter into the inside of collecting box 11 through filter screen 8, avoided the inside jam of air discharge duct 3.

When the dust is large, the handle 14 may be pulled so that the handle 14 pulls the third baffle 13 and the collection box 11 away from the inner wall of the collection tank 12, thereby cleaning the dust inside the collection box 11, and then the above operation is repeated to re-mount the collection box 11 to the inner wall of the collection tank 12.

1. through being provided with coupling mechanism and gas pocket, can block the exit of air discharge duct 3, avoid the dust in the air to enter into the inside of air discharge duct 3, can also pass through the gas pocket simultaneously, carry the material secretly gas or the die cavity in situ have the air discharge, improved the inside clean degree of air discharge duct 3.

2. Through being provided with filter mechanism and collection mechanism mutually support with, can pass through filter screen 8 and opening 10 with the dust in the material smuggleing gas secretly or the original air in the die cavity, collect the inside of collecting box 11, then through pulling handle 14, will collect box 11 and take out, will collect the inside dust clearance of box 11, the inner wall of dust attached to air discharge duct 3 has been avoided, lead to air discharge duct 3 to be blockked up, cause the mould die cavity to be full of, lead to the unclear problem in plastics edge, improve the messenger's reliability of device.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an injection mold's exhaust structure, includes quiet template (1) and movable mould board (2), its characterized in that: air discharge duct (3) have all been seted up on quiet template (1) and movable mould board (2), first baffle (4) are installed to the port department of air discharge duct (3), the surface of first baffle (4) evenly is provided with the gas pocket, be provided with coupling mechanism between first baffle (4), the inner wall of air discharge duct (3) is provided with filtering mechanism.

2. The exhaust structure of the injection mold according to claim 1, wherein the connecting mechanism comprises a clamping block (5) and a clamping groove (6), the clamping block (5) is installed on the first baffle (4), one end, far away from the first baffle (4), of the clamping block (5) is embedded into the inner wall of the clamping groove (6), the clamping groove (6) is formed in the second baffle (7), and the second baffle (7) is installed on the movable mold plate (2).

3. An injection mold's exhaust structure according to claim 1, characterized in that, filtering mechanism includes filter screen (8), fixed block (9) and opening (10), filter screen (8) fixed mounting is at the inner wall of air discharge duct (3), the inner wall of filter screen (8) is inlayed and is had fixed block (9), fixed block (9) are placed in the upper end of opening (10), opening (10) are seted up at the tank bottom department of air discharge duct (3), and the lower extreme of opening (10) is provided with the collection mechanism.

4. An exhaust structure of an injection mold according to claim 3, characterized in that the collecting mechanism comprises a collecting box (11), a collecting groove (12), a third baffle plate (13) and a handle (14), the collecting box (11) is embedded in the inner wall of the collecting groove (12), the collecting groove (12) is arranged below the bottom of the exhaust groove (3), the third baffle plate (13) is installed on the collecting box (11) near the notch of the collecting groove (12), and the handle (14) is arranged on the side of the third baffle plate (13) far away from the collecting box (11).

5. An exhaust structure of an injection mold according to claim 4, characterized in that the collecting groove (12) is concentric with the exhaust groove (3), and the collecting groove (12) is opened right below the opening (10).

6. An exhaust structure of an injection mold according to claim 3, wherein the fixing blocks (9) are provided in four groups, and the fixing blocks (9) are provided in an "L" shape.