CN223314388U - Exhaust system of injection mold - Google Patents
Exhaust system of injection moldInfo
- Publication number
- CN223314388U CN223314388U CN202422045535.2U CN202422045535U CN223314388U CN 223314388 U CN223314388 U CN 223314388U CN 202422045535 U CN202422045535 U CN 202422045535U CN 223314388 U CN223314388 U CN 223314388U
- Authority
- CN
- China
- Prior art keywords
- mold
- cavity
- lifting plate
- exhaust system
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molds, in particular to an injection mold exhaust system, which comprises a lower mold and an upper mold positioned at the upper end of the lower mold, wherein a mold cavity is formed in the upper end face of the lower mold, an installation cavity is formed below the inner part of the lower mold, a fixed seat is arranged in the installation cavity, a lifting plate is arranged above the fixed seat, a guide plate is fixedly connected to the lower end face of the lifting plate, a hydraulic cylinder is started to shrink backwards, so that a movable column is driven to move rightwards, two guide rods on the outer wall of the movable column move along the inner part of a strip-shaped hole, the guide rods are driven to move to the higher end of the strip-shaped hole, the guide plate and the lifting plate move downwards, so that two sealing columns are driven to move out of a through hole, the through hole is in an open state, then an air pump is started, air in the mold cavity and the installation cavity is discharged, the exhaust is convenient, the quality problem of products caused by poor exhaust is reduced, the effect of assisting injection molding pieces can be played, and the material taking is more convenient.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an exhaust system of an injection mold.
Background
The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and accurate dimensions, the injection molding is a processing method used when producing parts with complex shapes in batches, specifically, the injection mold is used for injecting heated and melted plastics into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying are carried out to obtain a formed product;
But when using, during the injection mold carries out the in-process of injection molding production, because injection mold's inside is the fretwork, consequently injection mold's inside can exist some air, when pouring into the inside raw materials that melts with injection mold, can extrude the inside shaping die cavity of injection mold with some air, have the fractional air can be wrapped by the raw materials that melts, can't be discharged, when moulding plastics, lead to being wrapped the air and can carry out the bubble in the inside of injection molding article by the raw materials, influence injection mold's injection molding quality.
Disclosure of utility model
The utility model aims to provide an exhaust system of an injection mold, which has the characteristics of convenient exhaust, reduction of quality problems of products caused by poor exhaust, auxiliary ejection of injection molding parts and more convenient material taking.
In order to achieve the above purpose, the technical scheme is that the injection mold exhaust system comprises a lower mold and an upper mold positioned at the upper end of the lower mold, wherein a mold cavity is formed in the upper end face of the lower mold, an installation cavity is formed below the inner part of the lower mold, a fixing seat is arranged in the installation cavity, a lifting plate is arranged above the fixing seat, a guide plate is fixedly connected to the lower end face of the lifting plate, two strip-shaped holes are formed in the outer wall of the guide plate in a penetrating mode, a hydraulic cylinder is mounted on one side of the fixing seat, a movable column is fixedly connected to the output end of the hydraulic cylinder, two guide rods are arranged on the outer wall of the movable column, the two guide rods extend to the inner parts of the two strip-shaped holes respectively, two through holes communicated with the installation cavity are formed in the bottom of the mold cavity, sealing columns are movably connected to the inner parts of the two through holes, an air suction pump is mounted on the outer wall of the lower mold, and an air suction pipe is communicated between the air suction pump and the installation cavity.
In order to facilitate the movement of the lifting plate, the strip-shaped hole is preferably arranged in an inclined manner as an exhaust system of the injection mold.
In order to limit the lifting plate, the exhaust system of the injection mold is preferable, and two telescopic rods positioned at the left side and the right side of the guide plate are fixedly connected between the lifting plate and the fixed seat.
In order to guide the lifting plate, as an exhaust system of the injection mold, preferably, a guide groove matched with the guide plate is formed in the upper end face of the fixing seat in a penetrating manner.
In order to reduce friction between the guide rod and the strip-shaped hole, as an exhaust system of the injection mold of the present utility model, it is preferable that the guide rod includes a fixed shaft, and a drum is rotatably coupled to an outer wall of the fixed shaft.
In order to fixedly support the fixing seat, the exhaust system of the injection mold is preferable, and two support posts are fixedly connected between the fixing seat and the bottom end of the mounting cavity.
Compared with the prior art, the utility model has the following beneficial effects:
In an initial state, the two sealing columns are respectively positioned in the two through holes, the top ends of the sealing columns are flush with the bottom of the die cavity, when air is required to be exhausted, the hydraulic cylinder is started to shrink backwards, so that the movable column is driven to move rightwards, the two guide rods on the outer wall of the movable column move along the inside of the strip-shaped hole, the guide rods move to one higher end of the strip-shaped hole, the guide plate and the lifting plate move downwards, the two sealing columns are driven to move out of the through holes, the through holes are in an open state, and then the air sucking pump is started to exhaust air in the die cavity and the mounting cavity, so that the air is conveniently exhausted, and the quality problem of products caused by poor air exhaust is reduced;
When the injection molding piece is required to be demolded, the hydraulic cylinder is started again to drive the movable column to move leftwards, so that the lifting plate can be driven to move upwards, the two sealing columns are lifted towards the inside of the mold cavity, the injection molding piece can be assisted to eject, and the material taking is more convenient.
Drawings
FIG. 1 is a block diagram of the overall cross-section of the present utility model;
FIG. 2 is a top view of the fixing base of the present utility model;
fig. 3 is a perspective view of the guide bar of the present utility model.
In the figure, 1, a lower die; 2, upper mould, 3, mould cavity, 4, installation cavity, 5, fixing seat, 6, lifting plate, 7, guide plate, 8, bar hole, 9, hydraulic cylinder, 10, movable column, 11, guide rod, 12, through hole, 13, sealing column, 14, telescopic rod, 15, guide groove, 16, air pump, 17, air exhaust pipe, 18, fixing shaft, 19, rotary drum, 20 and pillar.
Detailed Description
Referring to fig. 1 to 3, an exhaust system of an injection mold comprises a lower mold 1 and an upper mold 2 positioned at the upper end of the lower mold 1, wherein a mold cavity 3 is formed in the upper end face of the lower mold 1, a mounting cavity 4 is formed in the lower portion of the lower mold 1, a fixing seat 5 is arranged in the mounting cavity 4, a lifting plate 6 is arranged above the fixing seat 5, a guide plate 7 is fixedly connected to the lower end face of the lifting plate 6, two strip-shaped holes 8 are formed in the outer wall of the guide plate 7 in a penetrating manner, a hydraulic cylinder 9 is mounted on one side of the fixing seat 5, a movable column 10 is fixedly connected to the output end of the hydraulic cylinder 9, two guide rods 11 are arranged on the outer wall of the movable column 10, the two guide rods 11 respectively extend to the inner portions of the two strip-shaped holes 8, two through holes 12 communicated with the mounting cavity 4 are formed in the bottom of the mold cavity 3, sealing columns 13 are movably connected in the inner portions of the two through holes 12, the bottom ends of the two sealing columns 13 are fixedly connected with the lifting plate 6, an air suction pump 16 is mounted on the outer wall of the lower mold 1, and an air suction pipe 17 is communicated between the air suction pump 16 and the mounting cavity 4.
In the embodiment, in the initial state, as shown in fig. 1, two sealing columns 13 are respectively positioned in two through holes 12, the top ends of the sealing columns 13 are flush with the bottom of a die cavity 3, when air discharge is needed, a hydraulic cylinder 9 is started to shrink backwards so as to drive a movable column 10 to move rightwards, two guide rods 11 on the outer wall of the movable column 10 move along the inside of a strip-shaped hole 8, the guide rods 11 move to the higher end of the strip-shaped hole 8 so as to move down a guide plate 7 and a lifting plate 6, the two sealing columns 13 are driven to move out of the through holes 12, the through holes 12 are in an open state, and then an air pump 16 is started to discharge air in the die cavity 3 and an installation cavity 4, so that air discharge is convenient, and the quality problem of products caused by poor air discharge is reduced;
When the injection molding piece is required to be demolded, the hydraulic cylinder 9 is started again to drive the movable column 10 to move leftwards, so that the lifting plate 6 can be driven to move upwards, the two sealing columns 13 can be lifted up towards the inside of the mold cavity 3, the injection molding piece can be assisted to be ejected, and the material taking is more convenient.
As a technical optimization scheme of the utility model, the strip-shaped holes 8 are obliquely arranged.
In the embodiment, the bar-shaped holes 8 are obliquely arranged, so that the lifting plate 6 can move up and down when the guide rods 11 move in the bar-shaped holes 8.
As a technical optimization scheme of the utility model, two telescopic rods 14 positioned at the left side and the right side of the guide plate 7 are fixedly connected between the lifting plate 6 and the fixed seat 5.
In the embodiment, the lifting plate 6 is limited by arranging the telescopic rod 14, so that the lifting plate 6 can only move in the vertical direction.
As a technical optimization scheme of the utility model, the upper end surface of the fixing seat 5 is provided with a guide groove 15 matched with the guide plate 7.
In the embodiment, the upper end surface of the fixing seat 5 is provided with a guide groove 15 matched with the guide plate 7 in a penetrating way, so that the guide plate 7 is guided and limited.
As a technical optimization scheme of the utility model, the guide rod 11 comprises a fixed shaft 18, and a rotary drum 19 is rotatably connected to the outer wall of the fixed shaft 18.
In this embodiment, the drum 19 can rotate on the outer wall of the fixed shaft 18, so that friction between the guide rod 11 and the bar hole 8 is reduced when the guide rod 11 moves in the bar hole 8.
As a technical optimization scheme of the utility model, two struts 20 are fixedly connected between the fixed seat 5 and the bottom end of the installation cavity 4.
In the embodiment, two support posts 20 are fixedly connected between the fixed seat 5 and the bottom end of the mounting cavity 4, so that the fixed seat 5 is conveniently and fixedly supported.
In the initial state, two sealing columns 13 are respectively positioned in two through holes 12, the top ends of the sealing columns 13 are level with the bottom of the die cavity 3, when air discharge is needed, the hydraulic cylinder 9 is started to shrink backwards, so that the movable column 10 is driven to move rightwards, two guide rods 11 on the outer wall of the movable column 10 move along the inside of the strip-shaped hole 8, the guide rods 11 move to the higher end of the strip-shaped hole 8, so that the guide plate 7 and the lifting plate 6 move downwards, the two sealing columns 13 are driven to move out of the through holes 12, the through holes 12 are in an open state, and then the air suction pump 16 is started to discharge air in the die cavity 3 and the mounting cavity 4, so that air discharge is convenient, and quality problems of products caused by poor air discharge are reduced;
When the injection molding piece is required to be demolded, the hydraulic cylinder 9 is started again to drive the movable column 10 to move leftwards, so that the lifting plate 6 can be driven to move upwards, the two sealing columns 13 can be lifted up towards the inside of the mold cavity 3, the injection molding piece can be assisted to be ejected, and the material taking is more convenient.
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, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422045535.2U CN223314388U (en) | 2024-08-22 | 2024-08-22 | Exhaust system of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422045535.2U CN223314388U (en) | 2024-08-22 | 2024-08-22 | Exhaust system of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223314388U true CN223314388U (en) | 2025-09-09 |
Family
ID=96935250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422045535.2U Active CN223314388U (en) | 2024-08-22 | 2024-08-22 | Exhaust system of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223314388U (en) |
-
2024
- 2024-08-22 CN CN202422045535.2U patent/CN223314388U/en active Active
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