CN220883228U - Gas exhaust structure of multicolor injection mold - Google Patents
Gas exhaust structure of multicolor injection mold Download PDFInfo
- Publication number
- CN220883228U CN220883228U CN202322564260.9U CN202322564260U CN220883228U CN 220883228 U CN220883228 U CN 220883228U CN 202322564260 U CN202322564260 U CN 202322564260U CN 220883228 U CN220883228 U CN 220883228U
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- Prior art keywords
- exhaust
- fixedly connected
- injection mold
- aiutage
- gas
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 5
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a gas discharge structure of a multicolor injection mold, which comprises a rotary column arranged on one side of an upper mold and driven by a rotary cylinder, wherein the surface of the rotary column is connected with a lantern ring in a sliding way through a sliding groove, one end of the lantern ring is fixedly connected with an exhaust barrel, the inner cavity of the exhaust barrel is connected with a pneumatic plate in a sliding way, the inner cavity of the exhaust barrel is fixedly connected with a reset spring fixedly connected with one side of the pneumatic plate, the bottom of the exhaust barrel is communicated with a vent hole of the upper mold, the inner cavity of the upper mold is provided with an inner concave circular groove matched with the surface of the exhaust barrel, and one side of the inner concave circular groove is provided with a slag discharge groove. This polychrome injection mold's gas exhaust structure for injection mold has the exhaust function, avoids causing the defect of filling bad and outward appearance damage because of the unable smooth and easy discharge of gas, and when clearing up exhaust assembly, need not to shut down and dismantle, two sets of aiutage are crisscross to work.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a gas discharge structure of a multicolor 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 precise dimensions. Injection molding is a process used in mass production of parts of complex shape.
According to the exhaust structure of the injection mold described in CN219522913U, when the injection molding raw material enters into the rectangular tube 6 or the transverse tube 10 to be cleaned during use, the first bolt 16 and the second bolt 18 are reversely rotated, so that the rectangular tube 6 or the transverse tube 10 can be taken down to be cleaned, the operation is too complex, the shutdown operation is required, and the high temperature in the rectangular tube 6 is not dissipated at this time, which easily results in scalding of operators, and the injection molding mold is unsafe and has low processing efficiency.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a gas discharge structure of a multicolor injection mold, which solves the problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the gas exhaust structure of the multicolor injection mold comprises a rotary column arranged on one side of an upper mold and driven by a rotary cylinder, wherein the surface of the rotary column is slidably connected with a lantern ring through a sliding groove, one end of the lantern ring is fixedly connected with an exhaust barrel, an inner cavity of the exhaust barrel is slidably connected with a pneumatic plate, the inner cavity of the exhaust barrel is fixedly connected with a reset spring fixedly connected with one side of the pneumatic plate, the bottom of the exhaust barrel is communicated with an exhaust hole of the upper mold, an inner concave circular groove matched with the surface of the exhaust barrel is formed in the inner cavity of the upper mold, a slag discharge groove is formed in one side of the inner concave circular groove, one side of the exhaust barrel is provided with an air hole, when the upper mold is used for injection molding, the gas is exhausted, the air pressure intensity of the pneumatic plate is continuously increased, and the air hole is exposed, through the gas pocket with the air discharge, when the raw materials that moulds plastics get into the aiutage in need clear up, need not to take off aiutage this moment, only need rotate through revolving cylinder drive column spinner, drive two aiutages and exchange the position in the crisscross, clean aiutage moves interior concave circular groove this moment, with last mould intercommunication, the aiutage that the raw materials got into of moulding plastics this moment rotates to the slag groove top, the raw materials below of moulding plastics loses and shelters from this moment, can shake the raw materials of shaping fast and fall the slag inslot through the aiutage and clear up, make injection mold have the exhaust function, avoid causing the defect of poor filling and outward appearance damage because of the unable smooth and easy discharge of gas, and when clearing up exhaust assembly, need not to shut down and dismantle, two sets of aiutages are crisscross to work.
As a further scheme of the utility model: the top spring is sleeved on the surface of the sliding groove on the rotary column, one end of the top spring is fixedly connected with the top of the lantern ring, the top spring always presses the lantern ring when in use, the lantern ring is driven to move to the lower stroke limit, and the exhaust barrel is extruded into the inner concave circular groove and is communicated with the exhaust hole in the upper die.
As a further scheme of the utility model: the two exhaust barrels are symmetrically arranged on two sides of the rotary column, the two exhaust barrels drive one hundred eighty degrees to rotate through the rotary cylinder, after the two exhaust barrels are positioned, one exhaust barrel is positioned above the exhaust hole of the upper die, and the other exhaust barrel is positioned above the slag discharge groove.
As a further scheme of the utility model: the bottom end of the exhaust funnel is fixedly connected with a sealing gasket which is abutted with the top of the upper die, when the exhaust funnel is used, the sealing gasket is expanded and sealed between the exhaust funnel and the upper die under the extrusion of the top spring, so that internal gas can only be exhausted through the exhaust funnel.
Compared with the prior art, the utility model has the following beneficial effects: the injection mold has the function of exhausting, the defects of poor filling and appearance damage caused by the fact that gas cannot be smoothly exhausted are avoided, and when an exhaust assembly is cleaned, shutdown is not needed, and two groups of exhaust barrels work in a staggered mode.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
Fig. 3 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.
In the figure: 1. an upper die; 2. a sliding groove; 3. a collar; 4. a top spring; 5. an exhaust pipe; 6. air holes; 7. concave circular groove; 8. a slag discharge groove; 9. a return spring; 10. an air pressure plate; 11. and (5) rotating the column.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-3, the present utility model provides a technical solution: the gas exhaust structure of the multicolor injection mold comprises a rotary column 11 arranged on one side of an upper mold 1 and driven by a rotary cylinder, wherein the surface of the rotary column 11 is slidably connected with a lantern ring 3 through a sliding groove 2, one end of the lantern ring 3 is fixedly connected with an exhaust drum 5, the inner cavity of the exhaust drum 5 is slidably connected with a pneumatic plate 10, the inner cavity of the exhaust drum 5 is fixedly connected with a reset spring 9 fixedly connected with one side of the pneumatic plate 10, the bottom of the exhaust drum 5 is communicated with an exhaust hole of the upper mold 1, an inner concave circular groove 7 matched with the surface of the exhaust drum 5 is arranged in the inner cavity of the upper mold 1, a slag discharge groove 8 is arranged on one side of the inner concave circular groove 7, an air hole 6 is arranged on one side of the exhaust drum 5, when the upper mold 1 is used for injection molding, the gas is exhausted, the air pressure born by the pneumatic plate 10 is continuously increased, and the air hole 6 is exposed at the moment, air is discharged through the air hole 6, when the injection molding raw material enters the exhaust barrel 5 and needs to be cleaned, the exhaust barrel 5 is not required to be taken down at this time, only the rotary column 11 is driven to rotate through the rotary cylinder, the two exhaust barrels 5 are driven to exchange positions in a staggered mode, at this time, the clean exhaust barrel 5 moves into the inner concave circular groove 7 and is communicated with the upper die 1, the exhaust barrel 5 entering the injection molding raw material rotates to the upper side of the slag discharge groove 8, at this time, shielding is lost below the injection molding raw material, the molded raw material can be rapidly shaken off into the slag discharge groove 8 through the shaking exhaust barrel 5 to be cleaned, the injection molding die has an exhaust function, the defect of poor filling and appearance damage caused by the fact that gas cannot be smoothly discharged is avoided, and when an exhaust assembly is cleaned, shutdown is not required, and the two groups of exhaust barrels 5 are staggered to work.
The top spring 4 is sleeved on the surface of the sliding groove 2 on the rotary column 11, one end of the top spring 4 is fixedly connected with the top of the lantern ring 3, the top spring 4 always presses the lantern ring 3 during use to drive the lantern ring 3 to move to the lower stroke limit, and at the moment, the exhaust funnel 5 is extruded into the concave circular groove 7 and is communicated with the exhaust hole in the upper die 1.
Two exhaust drums 5 are symmetrically arranged on two sides of the rotary column 11, the two exhaust drums 5 are driven by the rotary cylinder to rotate by one hundred eighty degrees, after the two exhaust drums 5 are positioned, one exhaust drum 5 is positioned above the exhaust hole of the upper die 1, and the other exhaust drum 5 is positioned above the slag discharge groove 8.
The bottom end of the exhaust funnel 5 is fixedly connected with a sealing gasket which is abutted with the top of the upper die 1, when the exhaust funnel is used, the sealing gasket is expanded and sealed between the exhaust funnel 5 and the upper die 1 under the extrusion of the top spring 4, so that internal gas can only be exhausted through the exhaust funnel 5.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (4)
1. The gas exhaust structure of the multicolor injection mold comprises a rotary column (11) arranged on one side of an upper mold (1) and driven by a rotary cylinder, and is characterized in that: the surface of column spinner (11) is through sliding tray (2) sliding connection has lantern ring (3), the one end fixedly connected with aiutage (5) of lantern ring (3), the inner chamber sliding connection of aiutage (5) has pneumatic board (10), the inner chamber fixedly connected with of aiutage (5) and one side fixedly connected with reset spring (9) of pneumatic board (10), the bottom of aiutage (5) and the exhaust hole intercommunication of last mould (1), interior concave circular groove (7) with the surface adaptation of aiutage (5) have been seted up to the inner chamber of last mould (1), slag runner (8) have been seted up to one side of interior concave circular groove (7), gas pocket (6) have been seted up to one side of aiutage (5).
2. The gas discharge structure of a multi-color injection mold according to claim 1, characterized in that: the surface of the sliding groove (2) on the rotary column (11) is sleeved with a top spring (4), and one end of the top spring (4) is fixedly connected with the top of the lantern ring (3).
3. The gas discharge structure of a multi-color injection mold according to claim 1, characterized in that: two exhaust drums (5) are arranged and are symmetrically arranged on two sides of the rotary column (11).
4. The gas discharge structure of a multi-color injection mold according to claim 1, characterized in that: the bottom end of the exhaust funnel (5) is fixedly connected with a sealing gasket which is abutted with the top of the upper die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564260.9U CN220883228U (en) | 2023-09-21 | 2023-09-21 | Gas exhaust structure of multicolor injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322564260.9U CN220883228U (en) | 2023-09-21 | 2023-09-21 | Gas exhaust structure of multicolor injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883228U true CN220883228U (en) | 2024-05-03 |
Family
ID=90836514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322564260.9U Active CN220883228U (en) | 2023-09-21 | 2023-09-21 | Gas exhaust structure of multicolor injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883228U (en) |
-
2023
- 2023-09-21 CN CN202322564260.9U patent/CN220883228U/en active Active
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