CN216941613U - Injection mold for turbocharger pressure shell sealing structure - Google Patents
Injection mold for turbocharger pressure shell sealing structure Download PDFInfo
- Publication number
- CN216941613U CN216941613U CN202123426182.3U CN202123426182U CN216941613U CN 216941613 U CN216941613 U CN 216941613U CN 202123426182 U CN202123426182 U CN 202123426182U CN 216941613 U CN216941613 U CN 216941613U
- Authority
- CN
- China
- Prior art keywords
- mold
- core
- pressure shell
- turbocharger
- injection
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an injection mold for a sealing structure of a pressure shell of a turbocharger, which comprises a rear mold and a front mold, wherein the rear mold and the front mold are fixedly connected and matched to form a cavity for accommodating the pressure shell of the turbocharger; the rear die comprises a rear die core, the front die comprises a front die core, and the rear die core and the front die core are both positioned in the die cavity; the shape of the rear die core is matched with the shape of the inner cavity of the turbocharger pressure shell, and the turbocharger pressure shell is sleeved on the rear die core and is in butt fit with the rear die core; the rear mold core, the front mold core and the turbocharger pressure shell are matched to form a sealing structure injection molding space; the front mold core is provided with an injection molding runner which is communicated with the injection molding space. According to the utility model, the turbocharger pressure shell is arranged in the cavity, and the special plastic is injected from the injection runner on the front mold core, so that the rapid molding of injection molding parts is facilitated, the production cost is reduced, the matching precision of the pressure shell and the pressing wheel is improved, and the working efficiency of the turbocharger is improved.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an injection mold for a turbocharger pressure shell sealing structure.
Background
Because metal parts are arranged between the pressure shell and the pressure wheel of the turbocharger of the engine, a certain safety clearance must be ensured in order to ensure that the pressure wheel and the pressure shell do not collide, and therefore, the efficiency of the turbocharger has certain loss; the oil consumption of the engine is increased. The inventor thinks that a layer of special sealing material needs to be injected on the pressure shell of the turbocharger in an injection molding mode, so that the installation clearance between the pressure shell and the pinch roller is ensured to be as small as possible, and the aim of saving energy consumption is fulfilled.
The existing Chinese patent with publication number CN211683177U discloses an injection mold for injection molding of a high-precision plug connector, which comprises an upper cover plate, a cavity mold, a fixing plate, a sliding block, a sliding rail and oblique guide posts, wherein the middle of the cavity mold is covered by a first mold cover and a second mold cover, the first mold cover and the second mold cover are matched with each other through a plurality of positioning teeth, one side of the fixing plate, which is close to the cavity mold, is thinned to form a fixing block, a barb is arranged at the top of the fixing plate, a sliding core is arranged at the bottom of the sliding block, a positioning block is arranged at the tail end of the sliding core, and an included angle between the two oblique guide posts is 65? 75 degrees, the upper cover plate is fixedly connected with one end of the inclined guide pillar, and the other end of the inclined guide pillar penetrates through the sliding block.
The inventor thinks that the mould in the prior art can not accurately inject the sealing material, and needs to design a more reasonable mould structure.
SUMMERY OF THE UTILITY MODEL
In view of the defects in the prior art, the utility model aims to provide an injection mold for a turbocharger pressure shell sealing structure.
The injection mold for the sealing structure of the pressure shell of the turbocharger comprises a rear mold and a front mold, wherein the rear mold and the front mold are tightly connected and matched to form a cavity for accommodating the pressure shell of the turbocharger; the rear die comprises a rear die core, the front die comprises a front die core, and the rear die core and the front die core are both positioned in the die cavity; the shape of the rear mold core is matched with the shape of the inner cavity of the turbocharger pressure shell, the turbocharger pressure shell is sleeved on the rear mold core, and the rear mold core and the turbocharger pressure shell are in butt fit; the rear die core, the front die core and the turbocharger pressure shell are matched to form a sealing structure injection molding space; the front mold core is provided with an injection molding runner which is communicated with the injection molding space.
Preferably, the rear mold further comprises a rear mold plate, a rear mold frame bottom plate and mold feet; the plurality of mould feet are symmetrically arranged on one side, close to the front mould, of the rear mould frame bottom plate, and any one of the mould feet is fixedly connected with the rear mould frame bottom plate; and any mould foot is fixedly connected with one side of the rear template far away from the front mould.
Preferably, the rear mold core is embedded in the rear template, and the rear mold core extends into the cavity from the rear template; the rear die core is fixedly connected with the rear die plate.
Preferably, the front mold further comprises a front mold plate and a front mold frame bottom plate, and the front mold frame bottom plate is fixedly connected with one side, far away from the rear mold, of the front mold plate.
Preferably, the front mold core is embedded in the front template, and the front mold core extends into the cavity from the front template; the front mold core is fixedly connected with the front template.
Preferably, a protrusion is formed around the periphery of the front mold core in the groove of the front mold plate, and the protrusion is in abutting fit with the turbocharger pressure shell.
Preferably, one side of the rear template, which is close to the front template, is provided with a guide post, and the guide post is in sliding fit with the front template.
Preferably, a part of the injection molding space is formed between the rear mold core and the front mold core, and a part of the injection molding space is formed between the front mold core and the turbocharger pressure shell.
Preferably, one side of the rear mold core close to the front mold is provided with an opening, and the opening corresponds to the injection molding runner on the front mold core.
Preferably, the front die carrier bottom plate and the front template are both provided with through holes, and the through holes are matched with the injection molding machine.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the turbocharger pressure shell is arranged in the cavity formed by the corresponding arrangement and the matching of the rear die and the front die, and the special plastic is injected from the injection runner on the front die core to form a plastic part, so that the rapid molding of the injection part is facilitated, the production cost is reduced, the matching precision of the pressure shell and the pressing wheel is facilitated to be improved, and the working efficiency of the turbocharger is facilitated to be improved.
2. According to the utility model, the injection molding runner is arranged on the front mold core and comprises the main runner and the sub-runners, so that the work efficiency of injection molding is improved.
3. According to the utility model, the bulge is formed by the groove of the front template around the periphery of the front mold core, and the bulge is in butt fit with the turbocharger pressure shell, so that a plastic part can be rapidly molded, injection molding materials can be saved, and the production cost can be reduced.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is an exploded view of the overall structure of an injection mold embodying the present invention primarily for a turbocharger pressure case seal structure;
fig. 2 is a sectional view of the entire structure of an injection mold mainly embodying the sealing structure of the pressure shell of the turbocharger of the present invention.
Reference numerals:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.
As shown in fig. 1, the injection mold for the turbocharger pressure shell sealing structure provided by the utility model comprises a rear mold 10 and a front mold 20, wherein the rear mold 10 and the front mold 20 are tightly connected and matched to form a cavity for accommodating a turbocharger pressure shell 7; the rear die 10 comprises a rear die core 4, the front die 20 comprises a front die core 5, and the rear die core 4 and the front die core 5 are both positioned in the die cavity; the shape of the rear die core 4 is matched with the shape of the inner cavity of the turbocharger pressure shell 7, and the turbocharger pressure shell 7 is sleeved on the rear die core 4 and is abutted and matched with the rear die core 4; the rear die core 4, the front die core 5 and the turbocharger pressure shell 7 are matched to form a sealing structure injection molding space; the front mold core 5 is provided with an injection molding runner which is communicated with the injection molding space.
As shown in fig. 2, the turbocharger pressure shell 7 is installed in a cavity formed by correspondingly arranging and matching the rear mold 10 and the front mold 20, and then special plastic is injected from an injection runner on the front mold core 5 to form a plastic part 6 by injection molding. Through the mould structure, special plastic can be injected on the sealing surface of the turbocharger pressure shell 7 in contact with the pressure wheel, and the matching precision of the special plastic and the pressure wheel is ensured by machining the injection-molded plastic part 6. When the turbocharger pressure shell 7 is installed, even if the turbocharger pressure shell 7 is in an extreme condition, the plastic part can protect the pressure wheel from being damaged, and the sealing gap between the pressure wheel and the turbocharger pressure shell 7 can be greatly reduced, so that the efficiency of the turbocharger is improved, and the functions of saving energy consumption and improving efficiency are achieved. Meanwhile, due to the reduction of the installation clearance, the vibration of the pinch roller is smaller and the noise is lower when the pinch roller rotates at a high speed.
The rear mold 10 further comprises a rear mold plate 1, a rear mold frame bottom plate 9 and mold legs 3. A plurality of mould feet 3 symmetry sets up on the side that is close to front mould 20 at back die carrier bottom plate 9, and arbitrary mould foot 3 all with back die carrier bottom plate 9 fastening connection. Preferably, this application uses two mould feet 3 symmetry to set up at the top of back die carrier bottom plate 9, and arbitrary mould foot 3 all passes through bolt-up with back die carrier bottom plate 9 and is connected. The top of any mold foot 3 is fixedly connected with one side of the rear mold plate 1 far away from the front mold 20 through screws. The rear mold core 4 is embedded inside the rear mold plate 1, the rear mold core 4 extends into the cavity from the rear mold plate 1, and the rear mold core 4 is fixedly connected with the rear mold plate 1 through a countersunk head screw.
The front mold 20 further comprises a front mold plate 2 and a front mold frame bottom plate 8, and the front mold frame bottom plate 8 is fixedly connected with one side of the front mold plate 2 far away from the rear mold 10. The bottom of the front mould frame bottom plate 8 is tightly connected with the top of the front template 2 through bolts. The front mold core 5 is embedded inside the front mold plate 2, the front mold core 5 extends into the cavity from the front mold plate 2, and the front mold core 5 is fastened and connected with the front mold plate 2 through a countersunk head screw. Through holes are formed in the front die carrier bottom plate 8 and the front die plate 2 and are matched with the injection molding machine, so that injection molding is more convenient, and the injection molding work efficiency is improved.
Furthermore, a protrusion is formed around the periphery of the front mold core 5 in the groove of the front mold plate 2, and the protrusion is in butt fit with the turbocharger pressure shell 7, so that the plastic part 6 is rapidly molded, the injection molding material is saved, and the production cost is reduced.
The guide pillar is installed in the top fastening of back template 1, the outside and the 2 sliding fit of front mould board of guide pillar for back mould 10 and the fastening connection of front mould 20, thereby the mould structure is more firm when moulding plastics, promotes the work efficiency of mould.
The shape of the rear die core 4 is matched with the shape of the inner cavity of the turbocharger pressure shell 7, and the rear die core 4 is in butt fit with the turbocharger pressure shell 7; one side of the rear die core 4 close to the front die 20 and one side of the front die core 5 close to the rear die 10 are correspondingly arranged, the shapes of the rear die core and the front die core are matched with the shape of the inner cavity of the turbocharger pressure shell 7, and the rear die core 4 is matched with the front die core 5 to fix the turbocharger pressure shell 7 in the inner cavity. Thereby mould structure is more firm when moulding plastics, promotes the work efficiency of mould.
A part of the injection molding space is formed between the rear mold core 4 and the front mold core 5, and a part of the injection molding space is formed between the front mold core 5 and the turbocharger pressure shell 7. The front die core 5 is provided with an injection molding runner. The injection molding runner includes a main runner 601 and a sub-runner 602. The main runner 601 is disposed inside the front mold core 5 and penetrates through the front mold core 5. The rear mold core 4 has an opening on a side thereof adjacent to the front mold 20, and the opening corresponds to the sprue 601. The runner 602 includes an injection molding space formed by the rear mold core 4 and the front mold core 5 disposed opposite to each other. The special plastic enters the sub-runner 602 from the main runner 601 on the front mold core 5 to perform injection molding on the injection molding space, and the plastic part 6 is formed on the turbocharger pressure shell 7 by injection molding. Preferably, the sub-runners 602 may be face-gated or multi-point glue-feeding.
The injection mold for the sealing structure of the turbocharger pressure shell can be used for injecting the sealing layer made of special plastic on the sealing surface of the complicated turbocharger pressure shell 7, so that the injection molding can be carried out in batch production, and the requirement of mass production of automobile parts is met. The simple structure of this seal structure can simplify the processing procedure to improve the sealed reliability of the turbine pressure shell of production. Meanwhile, the material can be saved, the cost is reduced, and the requirement of modern production is met.
During injection molding, an injection mold for the turbocharger pressure shell sealing structure is installed on an injection molding machine, and special plastic TPI is used for injection molding in the application as an example:
the first step is as follows: casting (or machining) aluminum into a turbocharger pressure housing 7 with a stored plastic portion;
the second step is that: preheating the turbocharger pressure shell 7 to 200-250 ℃ in an oven;
the third step: placing the turbocharger pressure shell 7 into an injection mold for the turbocharger pressure shell sealing structure for injection molding;
the injection molding process comprises the following steps:
temperature of the die: 200-250 ℃;
injection molding temperature of the injection molding machine:
a first stage: 350-420 ℃;
and a second stage: 350-420 ℃;
a third stage: 350-420 ℃;
a nozzle: 350-420 ℃;
injection molding pressure: 50MPa to 120 MPa;
the fourth step: and after the injection molding is finished, taking out the blank to obtain the turbocharger pressure shell blank integrating the turbocharger pressure shell 7 and the plastic part 6.
And machining the blank of the turbocharger pressure shell to obtain the required turbocharger pressure shell with the pressure shell seal. The pressure shell sealing structure can improve the fuel efficiency of the engine by 2 to 3 percent; the fuel can be widely applied to aircraft engines, automobile engines, hydrogen fuel and other novel engines.
Through the mould structure, special plastic can be injected on the sealing surface of the turbocharger pressure shell 7 in contact with the pressure wheel, and the matching precision of the special plastic and the pressure wheel is ensured by machining the injection-molded plastic part 6. In the installation, even if turbo charger presses shell 7 under extreme condition, the plastic part can protect the pinch roller not destroyed, can also reduce the sealed clearance between pinch roller and turbo charger pressure shell 7 by a wide margin to improve turbo charger's efficiency, reached and practiced thrift the energy consumption, improved efficient function. Meanwhile, due to the reduction of the installation clearance, the vibration of the pinch roller is smaller and the noise is lower when the pinch roller rotates at a high speed.
Principle of operation
The turbocharger pressure shell 7 is arranged in a cavity which is formed by correspondingly arranging and matching the rear die 10 and the front die 20, then special plastic is injected from an injection molding runner on the front die core 5, and a plastic part 6 is formed by injection molding. Through the mould structure, special plastic can be injected on the sealing surface of the turbocharger pressure shell 7 in contact with the pressure wheel, and the matching precision of the special plastic and the pressure wheel is ensured by machining the injection-molded plastic part 6.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An injection mold for a sealing structure of a turbocharger pressure shell is characterized by comprising a rear mold (10) and a front mold (20), wherein the rear mold (10) and the front mold (20) are tightly connected and matched to form a cavity for accommodating a turbocharger pressure shell (7);
the rear die (10) comprises a rear die core (4), the front die (20) comprises a front die core (5), and the rear die core (4) and the front die core (5) are both positioned in the die cavity;
the shape of the rear die core (4) is matched with the shape of an inner cavity of the turbocharger pressure shell (7), the turbocharger pressure shell (7) is sleeved on the rear die core (4), and the rear die core and the turbocharger pressure shell are in butt fit;
the rear die core (4), the front die core (5) and the turbocharger pressure shell (7) are matched to form a sealing structure injection molding space;
and an injection molding runner is arranged on the front mold core (5), and the injection molding runner is communicated with the injection molding space.
2. The injection mold for a turbocharger gland seal structure according to claim 1, wherein the rear mold (10) further comprises a rear mold plate (1), a rear mold frame base plate (9), and mold legs (3);
the plurality of mould legs (3) are symmetrically arranged on one side, close to the front mould (20), of the rear mould frame bottom plate (9), and any one mould leg (3) is fixedly connected with the rear mould frame bottom plate (9);
any one of the die feet (3) is fixedly connected with one side of the rear die plate (1) far away from the front die (20).
3. The injection mold for the sealing structure of the pressure shell of the turbocharger according to claim 2, wherein the rear mold core (4) is embedded inside the rear mold plate (1), and the rear mold core (4) extends from the rear mold plate (1) to the cavity;
the rear die core (4) is fixedly connected with the rear template (1).
4. The injection mold for the turbocharger pressure shell sealing structure according to claim 2, characterized in that the front mold (20) further comprises a front mold plate (2) and a front mold frame bottom plate (8), and the front mold frame bottom plate (8) is tightly connected with one side of the front mold plate (2) far away from the rear mold (10).
5. The injection mold for the sealing structure of the pressure shell of the turbocharger as recited in claim 4, wherein the front mold core (5) is embedded inside the front mold plate (2), and the front mold core (5) extends from the front mold plate (2) to the cavity;
the front mold core (5) is fixedly connected with the front template (2).
6. The injection mold for a turbocharger pressure shell sealing structure according to claim 4, wherein the groove of the front mold plate (2) is formed with a protrusion around the peripheral side of the front core (5), and the protrusion is in abutting engagement with the turbocharger pressure shell (7).
7. The injection mold for a turbocharger pressure shell sealing structure according to claim 4, characterized in that one side of the rear mold plate (1) close to the front mold plate (2) is provided with a guide pillar, and the guide pillar is in sliding fit with the front mold plate (2).
8. The injection mold for a turbocharger pressure shell sealing structure according to claim 1, wherein a portion of the injection space is formed between the rear mold core (4) and the front mold core (5), and a portion of the injection space is formed between the front mold core (5) and the turbocharger pressure shell (7).
9. The injection mold for the sealing structure of the pressure shell of the turbocharger as recited in claim 1, wherein an opening is formed on one side of the rear mold core (4) close to the front mold (20), and the opening corresponds to an injection runner on the front mold core (5).
10. The injection mold for the sealing structure of the pressure shell of the turbocharger as recited in claim 4, wherein the front mold frame bottom plate (8) and the front mold plate (2) are provided with through holes, and the through holes are matched with an injection molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426182.3U CN216941613U (en) | 2021-12-31 | 2021-12-31 | Injection mold for turbocharger pressure shell sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123426182.3U CN216941613U (en) | 2021-12-31 | 2021-12-31 | Injection mold for turbocharger pressure shell sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216941613U true CN216941613U (en) | 2022-07-12 |
Family
ID=82314202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123426182.3U Active CN216941613U (en) | 2021-12-31 | 2021-12-31 | Injection mold for turbocharger pressure shell sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216941613U (en) |
-
2021
- 2021-12-31 CN CN202123426182.3U patent/CN216941613U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216941613U (en) | Injection mold for turbocharger pressure shell sealing structure | |
| CN204725796U (en) | A kind of injection mold with oblique jacking guide bar | |
| CN202656413U (en) | Mobilephone shell and side keypad integral molding die | |
| CN101389192A (en) | Injection circuit board and injection die | |
| CN201913772U (en) | Side glue feeding injection molding mechanism capable of automatically shearing pouring gate | |
| CN211307176U (en) | Double-color one-time forming device for motor shockproof rotor | |
| CN211968244U (en) | Injection mold with movable insert exhaust structure | |
| CN211307280U (en) | Deep-cavity thin-wall product mold with air needle mechanism | |
| CN209959854U (en) | Eccentric bush of cylinder head cover flange face | |
| CN219055150U (en) | Insert structure and lithium battery cover plate injection mold | |
| CN216732783U (en) | Special injection mold for automobile engine control module capable of quickly stripping materials | |
| CN214945217U (en) | Turbocharger pressure shell sealing structure and turbocharger | |
| CN207044538U (en) | Iron plate is embedded to synchronous shaping injection shaping die lamps structure | |
| CN217454669U (en) | Novel glue indisputable integral structure | |
| CN215333592U (en) | A pressure shell seal structure and turbo charger for turbo charger | |
| CN205467107U (en) | Plastic molding injection mold pulling core assembly that inclines | |
| CN211640768U (en) | Injection mold for automotive interior parts | |
| CN214982860U (en) | Injection molding mold for increasing mold cavity pressure | |
| CN213321434U (en) | Limiting mechanism for injection mold | |
| CN216968515U (en) | HSG casing integrated into one piece mould of moulding plastics | |
| CN218640229U (en) | Forming die of reverse rubber coating | |
| CN215619496U (en) | Polyurethane seal ring mould | |
| CN214153278U (en) | Bottom shell with multiple ribs on back surface | |
| CN215661543U (en) | Analyzer shell mold | |
| CN215589815U (en) | One goes out fashioned mould of 32 end cap notes materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |