CN108908864B - Injection mold for intake manifold of automobile engine - Google Patents
Injection mold for intake manifold of automobile engine Download PDFInfo
- Publication number
- CN108908864B CN108908864B CN201810633793.9A CN201810633793A CN108908864B CN 108908864 B CN108908864 B CN 108908864B CN 201810633793 A CN201810633793 A CN 201810633793A CN 108908864 B CN108908864 B CN 108908864B
- Authority
- CN
- China
- Prior art keywords
- block
- plate
- rod
- sliding block
- air inlet
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
the invention relates to an injection mold for an air inlet manifold of an automobile engine, which comprises a movable mold bottom plate, two mold feet, a lower top plate, an upper top plate, a top block, an ejector rod, a connecting rod, a sliding block, an oil cylinder, a check ring and an upright post, wherein in the first step of demolding, the ejector rod pushes the top block upwards by 80mm, the sliding block, the oil cylinder, the check ring and the upright post are driven to go upwards, the bottom of a molded air inlet manifold is attached to the top surface of the top block, the tail of the molded air inlet manifold is attached to a convex strip of the sliding block, an included angle between a piston rod of the oil cylinder and the central line of the connecting rod is α, in the second step of demolding, a piston rod of the oil cylinder stretches out and pushes the sliding block, the sliding block rotates upwards by taking a second rotating shaft as a circle center by an angle of gamma, the sliding block pushes the molded air inlet manifold to slide forwards along the top surface of the top block and pushes the air inlet manifold upwards, and the injection mold has enough space to install parts.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold for an air inlet manifold of an automobile engine.
Background
The injection mold for the intake manifold of the automobile engine is used for forming the intake manifold of the engine, and currently, arc demolding and slider core pulling are generally adopted for arc-shaped products. But the radian of the engine intake manifold reaches 45 degrees and the length is long. Therefore, the conventional arc demolding and the slider core pulling cannot be adopted, the bottom can be influenced during demolding, and parts such as an insert, a cooling water path, a top column and the like are required to be installed at the bottom of the movable mold, so that the sufficient demolding stroke is not available. In addition, the strength of the movable mould core is not enough, so that the service life of the mould and the mould locking force are reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automobile engine intake manifold injection mold which has enough space for installing parts such as an insert, a cooling water path, a top column and the like, can ensure demolding and does not influence the service life of the mold and the mold locking force.
The invention has the technical scheme that the invention provides an automobile engine intake manifold injection mold with the following structure, which comprises a movable mold bottom plate, two mold feet, a lower top plate and an upper top plate; the bottom ends of the two die feet are fixed on the movable die bottom plate, the upper top plate is positioned above the lower top plate, and the lower top plate is positioned above the movable die bottom plate; the method is characterized in that: the device also comprises a top block, a top rod, a connecting rod, a sliding block, an oil cylinder, a check ring and an upright post, wherein the top block, the top rod and the connecting rod are used as the bottom surface of the molded intake manifold cavity; the top of the ejector rod is fixed with the ejector block, the bottom of the ejector rod penetrates through a hole of the lower top plate and a hole of the upper top plate and is fixed on the bottom plate of the movable die, a piston rod of the oil cylinder is rotatably connected with the sliding block through a first rotating shaft, the check ring is fixed at the front end of the oil cylinder, the bottom surface of the sliding block is provided with an inclined plane which is attached to the end face of the check ring, the front end of the sliding block is provided with a convex strip, the bottom end of the upright post penetrates through a hole of the upper top plate and is fixed on the lower top plate, the top of the upright post is rotatably connected with one end of the;
a first step of demoulding, wherein the distance from the top rod to the top of the top block is 80mm, the slide block, the oil cylinder, the check ring and the upright post are driven to move upwards, the bottom of the formed air inlet manifold is attached to the top surface of the top block, the tail of the formed air inlet manifold is attached to the convex strip of the slide block, and an included angle between a piston rod of the oil cylinder and the central line of the connecting rod is α;
is β and is β a is β second is β step is β of is β demoulding is β, is β wherein is β a is β piston is β rod is β of is β the is β oil is β cylinder is β extends is β and is β pushes is β a is β sliding is β block is β, is β the is β sliding is β block is β rotates is β upwards is β by is β an is β angle is β gamma is β with is β a is β second is β rotating is β shaft is β as is β a is β circle is β center is β, is β the is β sliding is β block is β pushes is β the is β formed is β air is β inlet is β manifold is β to is β slide is β out is β forwards is β along is β the is β top is β surface is β of is β the is β top is β block is β and is β pushes is β the is β air is β inlet is β manifold is β upwards is β, is β an is β included is β angle is β beta is β is is β formed is β between is β the is β piston is β rod is β of is β the is β oil is β cylinder is β and is β the is β central is β line is β of is β the is β connecting is β rod is β, is β and is β the is β angle is β beta is β is is β smaller is β than is β the is β angle is β alpha is β. is β
A baffle plate is arranged at the tail part of the molded air inlet manifold; the top surface of the convex strip is abutted against the bottom surface of the baffle, and the front surface of the convex strip is abutted against the back surface of the tail part of the formed intake manifold.
When the slide block in the second demolding step pushes the air inlet manifold upwards, a space is formed between the bottom of the air inlet manifold and the top surface of the slide block.
The upright post is further fixedly provided with a fixing plate, the fixing plate is provided with a supporting plate, the supporting plate is movably connected with the fixing plate and fixed by a locking mechanism, the top of the supporting plate abuts against the bottom surface of a connecting rod when the die is closed, the connecting rod is a lever, a fulcrum is a second rotating shaft, a long arm is a sliding block to the second rotating shaft, and a short arm is the top of the supporting plate to the second rotating shaft.
The supporting plate is provided with two long holes, the fixing plate is provided with two bolts which are respectively embedded into the corresponding long holes, and a nut is screwed on each bolt.
α is 105 °, β is 85 °, and γ is 38 °.
The motion trail of the oil cylinder comprises synchronous rotation by taking the first rotating shaft as a circle center and rotation by taking the second rotating shaft as a circle center.
after the structure is adopted, the invention has the advantages that two-step demoulding is adopted, wherein in the first step of demoulding, the ejector rod pushes the ejector block upwards by a distance of 80mm, the slide block, the oil cylinder, the check ring and the upright post are driven to move upwards, the bottom of the formed air inlet manifold is attached to the top surface of the ejector block and the tail of the formed air inlet manifold and the convex strip of the slide block, the included angle between the piston rod of the oil cylinder and the central line of the connecting rod is α, namely the formed engine air inlet manifold and the connected part are pushed upwards, then in the second step of demoulding, the piston rod of the oil cylinder is extended to push the slide block, the slide block rotates upwards by taking the second rotating shaft as the circle center by an angle of gamma, the slide block pushes the formed air inlet manifold to slide forwards along the top surface of the ejector block and pushes the air inlet manifold upwards, the included angle between the piston rod of the oil cylinder and the central line of the connecting rod is β, the angle β is smaller than the angle α, and arc demoulding is carried out because the first step of demoulding is carried out upwards, so that enough space is provided for installing water paths, cooling, parts such as inserts, the.
Drawings
FIG. 1 is a schematic structural diagram of a first step of demolding of an automobile engine intake manifold injection mold of the present invention.
FIG. 2 is a schematic structural view of a second step of demolding of the injection mold for the intake manifold of the automobile engine according to the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 1.
Fig. 4 is an enlarged schematic view of a portion B of fig. 2.
Shown in the figure: 1. the device comprises a movable mould bottom plate, 2, mould feet, 3, a lower top plate, 4, an upper top plate, 5, a top block, 6, a top rod, 7, a connecting rod, 8, a sliding block, 9, an oil cylinder, 10, a retainer ring, 11, an upright post, 12, a fixing plate, 13, a supporting plate, 101, an air inlet manifold, 102 and a baffle plate.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1-4, the injection mold for the intake manifold of the automobile engine comprises a movable mold bottom plate 1, two mold legs 2, a lower top plate 3 and an upper top plate 4; the bottom ends of the two die feet 2 are fixed on the movable die bottom plate 1, the upper top plate 4 is positioned above the lower top plate 3, and the lower top plate 3 is positioned above the movable die bottom plate 1; the device also comprises a top block 5, a top rod 6, a connecting rod 7, a sliding block 8, an oil cylinder 9, a check ring 10 and a vertical column 11, wherein the top block is used as the bottom surface of the cavity of the formed intake manifold 101; the top of the ejector rod 6 is fixed with the ejector block 5, the bottom of the ejector rod 6 penetrates through a hole of the lower ejector plate 3 and a hole of the upper ejector plate 4 and is fixed on the movable die bottom plate 1, and a piston rod of the oil cylinder 9 is rotatably connected with the sliding block 8 through a first rotating shaft, so that the piston rod of the oil cylinder 9 and the piston rod of the sliding block rotate by taking the piston rod as a rotating center. The check ring 10 is fixed at the front end of the oil cylinder 9, the bottom surface of the sliding block 8 is provided with an inclined surface 8.1 which is attached to the end surface of the check ring 10, and when the inclined surface is attached, the end surface of the check ring 10 can support the sliding block 8.
A convex strip 8.2 is arranged at the front end of the sliding block 8, the bottom end of the upright post 11 penetrates through a hole of the upper top plate 4 and is fixed on the lower top plate 3, the top of the upright post 11 is rotatably connected with one end of the connecting rod 7 through a second rotating shaft, and the other end of the connecting rod 7 is fixed with the sliding block 8; the top of the upright post 11 and one end of the connecting rod 7 are rotated around the second rotating shaft. A baffle plate 102 is arranged at the tail part of the molded intake manifold 101; the top surface of the convex strip 8.2 abuts against the bottom surface of the baffle plate 102, and the front surface of the convex strip 8.2 abuts against the back surface of the tail part of the molded intake manifold 101. When the mold is removed, the projection 8.2 is pressed against the baffle plate 102, and the projection 8.2 can push against the molded intake manifold 101.
Demolding: the distance of the ejector rod 6 upwards ejecting the ejector block 5 is 80mm, and meanwhile, the slide block 8, the oil cylinder 9, the check ring 10 and the upright post 11 are driven upwards, so that the formed air inlet manifold 101 has enough demoulding space. The bottom of the formed air inlet manifold 101 is attached to the top surface of the top block 5, the tail of the formed air inlet manifold 101 is attached to the convex strip 8.2 of the sliding block 8, and the included angle between the piston rod of the oil cylinder 9 and the central line of the connecting rod 7 is 105 degrees;
and a second step of demoulding, wherein a piston rod of an oil cylinder 9 extends and pushes a sliding block 8, the sliding block 8 rotates upwards by an angle of 38 degrees by taking a second rotating shaft as a circle center, the sliding block 8 pushes the formed air inlet manifold 101 to slide out forwards along the top surface of the top block 5, the sliding block 8 pushes the air inlet manifold 101 upwards, an included angle between the piston rod of the oil cylinder 9 and the central line of the connecting rod 7 is 85 degrees, and the angle β is smaller than the angle α.
When the slide block 8 in the second demolding step pushes the intake manifold 101 upwards, a space is formed between the bottom of the intake manifold 101 and the top surface of the slide block 8, so that the slide block 8 can push the intake manifold 101 conveniently, and the friction force is reduced.
The upright post 11 is further fixed with a fixing plate 12, the fixing plate 2 is provided with a supporting plate 13, the supporting plate 13 is movably connected with the fixing plate 2 and fixed by a locking mechanism, the top of the supporting plate 13 abuts against the bottom surface of the connecting rod 7 during die assembly, the connecting rod 7 is a lever, the fulcrum is a second rotating shaft, the long arm is from the slide block 8 to the second rotating shaft, and the short arm is from the top of the supporting plate 13 to the second rotating shaft.
The supporting plate 13 is provided with two long holes, the fixing plate 12 is provided with two bolts which are respectively embedded into the corresponding long holes, a nut is screwed on each bolt, the position of the bolt in the long hole can be adjusted by loosening the nut, and then the nut is locked, so that the distance and the angle of the supporting plate 13 extending out of the fixing plate 12 are adjusted. The inner diameter of the long hole is larger than the diameter of the screw of the bolt, and a sufficient adjusting space is provided.
Claims (7)
1. An injection mold for an air inlet manifold of an automobile engine comprises a movable mold bottom plate, two mold feet, a lower top plate and an upper top plate; the bottom ends of the two die feet are fixed on the movable die bottom plate, the upper top plate is positioned above the lower top plate, and the lower top plate is positioned above the movable die bottom plate; the method is characterized in that: the device also comprises a top block, a top rod, a connecting rod, a sliding block, an oil cylinder, a check ring and an upright post, wherein the top block, the top rod and the connecting rod are used as the bottom surface of the cavity for molding the intake manifold; the top of the ejector rod is fixed with the ejector block, the bottom of the ejector rod penetrates through a hole of the lower top plate and a hole of the upper top plate and is fixed on the bottom plate of the movable die, a piston rod of the oil cylinder is rotatably connected with the sliding block through a first rotating shaft, the check ring is fixed at the front end of the oil cylinder, the bottom surface of the sliding block is provided with an inclined plane which is attached to the end face of the check ring, the front end of the sliding block is provided with a convex strip, the bottom end of the upright post penetrates through a hole of the upper top plate and is fixed on the lower top plate, the top of the upright post is rotatably connected with one end of the;
a first step of demoulding, wherein the distance between the ejector rod and the ejector block is 80mm, the ejector rod drives the sliding block, the oil cylinder, the check ring and the upright column to move upwards, the bottom of the formed air inlet manifold is attached to the top surface of the ejector block and the tail of the formed air inlet manifold is attached to the convex strip of the sliding block, and the included angle between the piston rod of the oil cylinder and the central line of the connecting rod is α;
is β and is β a is β second is β step is β of is β demoulding is β, is β wherein is β a is β piston is β rod is β of is β the is β oil is β cylinder is β extends is β and is β pushes is β a is β sliding is β block is β, is β the is β sliding is β block is β rotates is β upwards is β by is β an is β angle is β gamma is β with is β a is β second is β rotating is β shaft is β as is β a is β circle is β center is β, is β the is β sliding is β block is β pushes is β the is β formed is β air is β inlet is β manifold is β to is β slide is β out is β forwards is β along is β the is β top is β surface is β of is β the is β top is β block is β and is β pushes is β the is β air is β inlet is β manifold is β upwards is β, is β an is β included is β angle is β beta is β is is β formed is β between is β the is β piston is β rod is β of is β the is β oil is β cylinder is β and is β the is β central is β line is β of is β the is β connecting is β rod is β, is β and is β the is β angle is β beta is β is is β smaller is β than is β the is β angle is β alpha is β. is β
2. The automotive engine intake manifold injection mold of claim 1, characterized in that: a baffle plate is arranged at the tail part of the molded air inlet manifold; the top surface of the convex strip is abutted against the bottom surface of the baffle, and the front surface of the convex strip is abutted against the back surface of the tail part of the formed intake manifold.
3. The automotive engine intake manifold injection mold of claim 1, characterized in that: when the slide block in the second demolding step pushes the air inlet manifold upwards, a space is formed between the bottom of the air inlet manifold and the top surface of the slide block.
4. The automotive engine intake manifold injection mold of claim 1, characterized in that: the upright post is further fixedly provided with a fixing plate, the fixing plate is provided with a supporting plate, the supporting plate is movably connected with the fixing plate and fixed by a locking mechanism, the top of the supporting plate abuts against the bottom surface of a connecting rod when the die is closed, the connecting rod is a lever, a fulcrum is a second rotating shaft, a long arm is a sliding block to the second rotating shaft, and a short arm is the top of the supporting plate to the second rotating shaft.
5. The automobile engine intake manifold injection mold according to claim 4, characterized in that: the supporting plate is provided with two long holes, the fixing plate is provided with two bolts which are respectively embedded into the corresponding long holes, and a nut is screwed on each bolt.
6. the injection mold for the intake manifold of the automobile engine according to claim 1, wherein α is 105 °, β is 85 °, and γ is 38 °.
7. The automotive engine intake manifold injection mold of claim 1, characterized in that: the motion trail of the oil cylinder comprises synchronous rotation by taking the first rotating shaft as a circle center and rotation by taking the second rotating shaft as a circle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633793.9A CN108908864B (en) | 2018-06-20 | 2018-06-20 | Injection mold for intake manifold of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633793.9A CN108908864B (en) | 2018-06-20 | 2018-06-20 | Injection mold for intake manifold of automobile engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108908864A CN108908864A (en) | 2018-11-30 |
| CN108908864B true CN108908864B (en) | 2020-06-02 |
Family
ID=64420051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810633793.9A Active CN108908864B (en) | 2018-06-20 | 2018-06-20 | Injection mold for intake manifold of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108908864B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168944B (en) * | 2020-01-10 | 2021-10-19 | 宁波方正汽车模具股份有限公司 | Twice-action core-pulling mechanism of injection mold of air inlet casing of automobile engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02136218A (en) * | 1988-11-16 | 1990-05-24 | Calsonic Corp | Bent pipe and injection mold for producing the same |
| KR20100064932A (en) * | 2008-12-05 | 2010-06-15 | 대진화학 주식회사 | Injection molding device for buckle |
| CN202781659U (en) * | 2012-09-21 | 2013-03-13 | 东泰精密模具(苏州)有限公司 | Die with connecting rod crank structure |
| CN103862634A (en) * | 2014-03-18 | 2014-06-18 | 苏州经贸职业技术学院 | Guide rail type arc swinging core-pulling mechanism |
| CN105619727A (en) * | 2016-01-25 | 2016-06-01 | 中山市利群精密实业有限公司 | Rotary traveling hydraulic cylinder core pulling compulsive demolding device for front mold |
-
2018
- 2018-06-20 CN CN201810633793.9A patent/CN108908864B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02136218A (en) * | 1988-11-16 | 1990-05-24 | Calsonic Corp | Bent pipe and injection mold for producing the same |
| KR20100064932A (en) * | 2008-12-05 | 2010-06-15 | 대진화학 주식회사 | Injection molding device for buckle |
| CN202781659U (en) * | 2012-09-21 | 2013-03-13 | 东泰精密模具(苏州)有限公司 | Die with connecting rod crank structure |
| CN103862634A (en) * | 2014-03-18 | 2014-06-18 | 苏州经贸职业技术学院 | Guide rail type arc swinging core-pulling mechanism |
| CN105619727A (en) * | 2016-01-25 | 2016-06-01 | 中山市利群精密实业有限公司 | Rotary traveling hydraulic cylinder core pulling compulsive demolding device for front mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108908864A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202412609U (en) | Mould mechanism with pitched roof for pulling inner side core and slider for pulling outer side core | |
| CN203919537U (en) | Multi-station injection mould | |
| CN204076657U (en) | The I-shaped swing hook Two_Parting_Surface Mould of injection molding | |
| CN108908864B (en) | Injection mold for intake manifold of automobile engine | |
| CN104802372A (en) | Slide ejection and mould opening type injection mould | |
| CN202781695U (en) | Mold of side core slanted slide block and slanted guide pillar pulling side core | |
| CN111375742A (en) | Turbine rotary ejection die-casting die | |
| CN109397636B (en) | Injection mold with annular back-off demoulding structure | |
| CN201950191U (en) | Horizontal type squeeze casting machine | |
| CN101327636B (en) | Screw rod plastic beveled wheel mold | |
| CN108819136B (en) | Injection mold for automobile fuel rail | |
| CN113828755A (en) | Ejection mechanism of secondary ejection die-casting die | |
| CN203185581U (en) | Automatic thread demolding mold mechanism | |
| CN201559287U (en) | Internally threaded injection mold | |
| CN108058347A (en) | Automobile exterior trimming parts mold list top plate secondary ejecting mechanism | |
| CN203344222U (en) | Mold for product of cylinder with deep cavity and groove in wall | |
| CN204075129U (en) | Metal die-casting mold flat bar first resets mold mechanism | |
| CN108788026B (en) | Automatic demolding mechanism for complex sand core mold for engine casting | |
| CN202462808U (en) | Plastic mold for stripping multi-angle wheel sheet by means of matching between pin shaft and helical angle | |
| CN202213086U (en) | Automobile connector die device | |
| CN212239141U (en) | Turbine rotary ejection die-casting die | |
| CN221112614U (en) | Injection molding die for sealing sleeve of small-caliber fluorine-lined ball valve | |
| CN216609870U (en) | Mould with layering relocation mechanism | |
| CN221212590U (en) | Injection mold | |
| CN109605680B (en) | Sensor is mould for shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |