CN110842139B - Wax liquid filling die of hot end mixer of automobile engine exhaust system - Google Patents
Wax liquid filling die of hot end mixer of automobile engine exhaust system Download PDFInfo
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- CN110842139B CN110842139B CN201911287994.9A CN201911287994A CN110842139B CN 110842139 B CN110842139 B CN 110842139B CN 201911287994 A CN201911287994 A CN 201911287994A CN 110842139 B CN110842139 B CN 110842139B
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- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000005495 investment casting Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a wax liquid filling die of a hot end mixer of an exhaust system of an automobile engine, which comprises an upper die plate assembly and a lower die plate assembly; in the lower template assembly, the front module can slide back and forth; the left module can slide left and right; the rear module can move back and forth on the second linear rail pair; the right module can move left and right on the third linear rail pair; the left end of the right module is provided with a support rod which is transversely cantilever-shaped, and the core pulling is inserted onto a guide key of the support rod from the left side; the further improvement is that: the support plate is supported on the bottom plate through a first wire rail pair; a plurality of supporting blocks are fixedly connected to the upper end face of the bottom plate below the supporting plate; when the upper template assembly covers the lower template assembly, the guide posts at the upper ends of the front left supporting block, the front right supporting block, the rear left supporting block and the rear right supporting block and the guide blocks at the upper ends of the rear module and the right module are inserted into the corresponding holes of the upper template assembly in a sliding fit manner, and wedge blocks at the upper ends of the front module and the left module are wedged into the corresponding grooves of the upper template assembly. The invention has high filling efficiency and high filling precision.
Description
Technical Field
The invention relates to the technical field of investment casting, in particular to a wax liquid filling mold for a hot end mixer of an exhaust system of an automobile engine.
Background
The hot end mixer of the automobile engine exhaust system is a common accessory of the automobile engine and needs mass production. The hot end mixer of the automobile engine exhaust system comprises a first end cone, a second end cone and a shell, wherein the shell is a right-angle component provided with a 90-degree bending channel, the first end cone and the second end cone are conical components, and small ends of the first end cone and the second end cone are respectively and fixedly connected to two ends of an outlet of the channel of the shell. The hot end mixer of the automobile engine exhaust system is a thin-wall special-shaped part, and is cast by adopting a precision casting process, and because the joint of the first end cone and the shell is necked down, when the wax mould is prepared, the wax liquid filling mould adopts a core-pulling structure, and the main defects of the wax liquid filling mould of the hot end mixer of the existing automobile engine exhaust system are that: the mold is more time-consuming to assemble and disassemble before and after the wax liquid is filled, and the wax liquid filling production efficiency is low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wax liquid filling mold for a hot end mixer of an automobile engine exhaust system, which can remarkably improve the wax liquid filling production efficiency.
The technical aim is achieved through the following technical scheme.
A wax liquid filling mould of a hot end mixer of an exhaust system of an automobile engine comprises an upper mould plate assembly and a lower mould plate assembly; the lower template assembly comprises a supporting plate and a lower module; the support plate is horizontally arranged, the lower module is fixedly connected to the upper end face of the support plate, and front left support blocks, front right support blocks, rear left support blocks and rear right support blocks which are opposite in interval are respectively arranged at four corners of the lower module; a front module is arranged between the front left support block and the front right support block; a left module is arranged between the left front left supporting block and the left rear left supporting block; a rear module is arranged between the rear left support block and the rear right support block; a right module is arranged between the front right supporting block and the rear right supporting block which are close to the right; the improvement is that: the front module is longitudinally connected with the front left supporting block and the front right supporting block in a sliding way in the front-back direction; the left module is connected with the front left supporting block and the rear left supporting block in a left-right transverse sliding manner; a second linear rail pair is arranged between the rear left supporting block and the rear right supporting block; the wire rail of the second wire rail pair is longitudinally and fixedly connected to the upper end face of the supporting plate in the front-back direction, and the lower end face of the rear module is fixedly connected to the upper end face of the sliding block of the second wire rail pair; a third linear rail pair is arranged between the right front right supporting block and the right rear supporting block; the wire rail left and right of the third wire rail pair is transversely and fixedly connected to the upper end face of the supporting plate, and the lower end face of the right module is fixedly connected to the upper end face of the sliding block of the third wire rail pair; the left end of the right module is provided with a left-right horizontal horizontally-arranged supporting rod with a rectangular longitudinal section, the right end of the supporting rod is fixedly connected to the right module, and the left end of the supporting rod is cantilever-shaped;
At least one guide key horizontally arranged left and right is fixedly connected to each surface of the cantilever part at the left end of the supporting rod; the longitudinal section of the part of the guide key, which is higher than the surface of the installed supporting rod, is in a cone shape which is larger as the part is far away from the surface of the installed supporting rod; a plurality of loose cores are arranged on each surface of the cantilever part at the left end of the supporting rod; the core pulling device is connected with the corresponding guide key in a sliding manner, and is inserted onto the corresponding guide key from the left side.
In the structure, a bottom plate which is in a strip shape and horizontally arranged at the left and right is arranged below the supporting plate; a first linear rail pair is arranged on the upper end surface of the bottom plate; the wire rail left and right of the first wire rail pair is transversely and fixedly connected to the upper end surface of the bottom plate; the lower end face of the supporting plate is fixedly connected to the upper end face of the sliding block of the first linear rail pair.
In the structure, a plurality of supporting blocks are fixedly connected on the upper end face of the bottom plate below the position of the supporting plate when the wax liquid is filled; the upper end face of the supporting block and the lower end face of the supporting plate are provided with a gap of 0.1-0.3 mm.
In the structure, the upper ends of the front left supporting block, the front right supporting block, the rear left supporting block and the rear right supporting block are respectively provided with a guide pillar; the upper ends of the rear module and the right module are respectively provided with a guide block; when the upper template component covers the lower template component, the guide posts at the upper ends of the front left supporting block, the front right supporting block, the rear left supporting block and the rear right supporting block and the guide blocks at the upper ends of the rear module and the right module are inserted into the corresponding holes of the upper template component in a sliding fit manner; the upper ends of the front module and the left module are respectively provided with a wedge block with a small upper part and a big lower part, and when the upper template assembly covers the lower template assembly, the wedge blocks at the upper ends of the front module and the left module are wedged into corresponding grooves of the upper template assembly.
Compared with the prior art, the invention has the following positive effects:
1. the front module is longitudinally and longitudinally connected with the front left supporting block and the front right supporting block in a sliding mode, the left module is transversely and longitudinally connected with the front left supporting block and the rear left supporting block in a sliding mode, the rear module moves on the second linear rail pair, and the right module moves on the third linear rail pair, so that the modules on the periphery are assembled and disassembled very quickly, and the wax liquid filling production efficiency is remarkably improved.
2. The left end cantilever part of the left end support rod of the right module is provided with at least one left and right horizontally arranged guide key, the longitudinal section of the surface part of the guide key, which is higher than the surface part of the support rod, is in a conical shape which is far away from the surface of the support rod, a plurality of loose cores are arranged on each surface of the left end cantilever part of the support rod, the loose cores are in sliding connection with the corresponding guide keys, the loose cores are inserted on the corresponding guide keys from the left side, and the loose cores on the left end support rod of the right module also move along with the right module on the third linear rail pair, so that the assembly and disassembly of the loose cores are very quick, and the wax liquid filling production efficiency is further improved.
3. The support plate can move on the first linear rail pair, namely, the lower die plate assembly can be integrally pulled out for operation, so that the operation is convenient, and the wax liquid filling production efficiency is further improved.
4. The upper end face of the bottom plate below the position of the supporting plate is fixedly connected with a plurality of supporting blocks during wax liquid filling, and a gap of 0.1-0.3 mm is reserved between the upper end face of the supporting blocks and the lower end face of the supporting plate, so that deformation of an upper template assembly and a lower template assembly during wax liquid filling is remarkably reduced, and wax liquid filling precision is improved.
5. When the upper template component is covered on the lower template component, the guide posts at the upper ends of the front left support block, the front right support block, the rear left support block and the rear right support block and the guide blocks at the upper ends of the rear module and the right module are inserted into the corresponding holes of the upper template component in a sliding fit manner, and the wedge blocks at the upper ends of the front module and the left module are wedged into the corresponding grooves of the upper template component, so that the structural rigidity of the wax liquid filling device is remarkably improved, the movement and deformation of the wax liquid filling of the module are remarkably reduced, and the wax liquid filling precision is further improved.
Drawings
Fig. 1 is a schematic view of a lower die plate assembly (core drawing is omitted) according to the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a rear view of fig. 1.
Fig. 6 is a schematic view showing a combination state of the right module and the support rod in the present invention.
Fig. 7 is a top view of fig. 6.
Fig. 8 is an enlarged schematic view of section A-A of fig. 6.
Fig. 9 is a schematic perspective view of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and with reference to examples.
The wax liquid filling die of the hot end mixer of the exhaust system of the automobile engine shown in the attached drawing comprises an upper die plate assembly 1 and a lower die plate assembly 2; the lower template assembly 2 comprises a support plate 2.1, a lower module and a bottom plate 2.2; the support plate 2.1 is horizontally arranged, the lower module is fixedly connected to the upper end face of the support plate 2.1, and front left support blocks 2.3, front right support blocks 2.4, rear left support blocks 2.5 and rear right support blocks 2.6 which are opposite in interval are respectively arranged at four corners of the lower module.
A bottom plate 2.2 which is in a strip shape and horizontally arranged left and right is arranged below the supporting plate 2.1; the upper end surface of the bottom plate 2.2 is provided with a first wire rail pair 2.14; the left and right line rail of the first line rail pair 2.14 are transversely and fixedly connected to the upper end surface of the bottom plate 2.2; the lower end surface of the supporting plate 2.1 is fixedly connected to the upper end surface of the sliding block of the first linear rail pair 2.14.
A front module 2.7 is arranged between the front left support block 2.3 and the front right support block 2.4, and the front module 2.7 is longitudinally connected with the front left support block 2.3 and the front right support block 2.4 in a sliding way.
A left module 2.8 is arranged between the left front left supporting block 2.3 and the left back supporting block 2.5, and the left module 2.8 is connected with the front left supporting block 2.3 and the left back supporting block 2.5 in a left-right transverse sliding manner.
A rear module 2.9 and a second wire rail pair 2.15 are arranged between the rear left support block 2.5 and the rear right support block 2.6, the wire rail of the second wire rail pair 2.15 is longitudinally and fixedly connected on the upper end surface of the support plate 2.1, and the lower end surface of the rear module 2.9 is fixedly connected on the upper end surface of the sliding block of the second wire rail pair 2.15.
A right module 2.10 and a third linear rail pair 2.16 are arranged between the right front right supporting block 2.4 and the right rear right supporting block 2.6, the linear rail of the third linear rail pair 2.16 is transversely and fixedly connected on the upper end face of the supporting plate 2.1, and the lower end face of the right module 2.10 is fixedly connected on the upper end face of the sliding block of the third linear rail pair 2.16.
The left end of the right module 2.10 is provided with a left-right horizontal support rod 2.11 with a rectangular longitudinal section, the right end of the support rod 2.11 is fixedly connected to the right module 2.10, and the left end is cantilever-shaped; the upper and lower surfaces of the left cantilever part of the supporting rod 2.11 are fixedly connected with 1 left and right horizontally arranged guide keys 2.12 respectively (in other embodiments, the upper and lower surfaces of the supporting rod 2.11 can be fixedly connected with more than 1 left and right horizontally arranged guide keys 2.12 respectively), the left and right surfaces of the supporting rod 2.11 are fixedly connected with 2 left and right horizontally arranged guide keys 2.12 respectively (in other embodiments, the left and right surfaces of the supporting rod 2.11 are fixedly connected with 1 or more than 2 left and right horizontally arranged guide keys 2.12 respectively), the longitudinal section of the surface part of the guide key 2.12 higher than the surface part of the supporting rod 2.11 is in a cone shape which is larger than the surface part of the supporting rod 2.11, 1 loose core is arranged on the upper and lower surfaces of the left cantilever part of the supporting rod 2.11 respectively (in other embodiments, the number of loose cores of the guide keys 2.12 on the surface of the left and right cantilever part of the supporting rod 2.11 is not arranged on the upper and lower surfaces of the supporting rod 2.11 respectively); the loose core is connected with the corresponding guide key 2.12 in a sliding way, and is inserted on the corresponding guide key 2.12 from the left side.
The upper end face of the bottom plate 2.2 below the position of the supporting plate 2.1 is fixedly connected with a plurality of supporting blocks 2.13 when the wax liquid is filled, and a gap of 0.1-0.3 mm is reserved between the upper end face of the supporting block 2.13 and the lower end face of the supporting plate 2.1.
The upper ends of the front left supporting block 2.3, the front right supporting block 2.4, the rear left supporting block 2.5 and the rear right supporting block 2.6 are respectively provided with guide posts; the upper ends of the rear module 2.9 and the right module 2.10 are respectively provided with a guide block; when the upper template assembly 1 is covered on the lower template assembly 2, the guide posts at the upper ends of the front left supporting block 2.3, the front right supporting block 2.4, the rear left supporting block 2.5 and the rear right supporting block 2.6 and the guide blocks at the upper ends of the rear module 2.9 and the right module 2.10 are inserted into corresponding holes of the upper template assembly 1 in a sliding fit manner; the upper ends of the front module 2.7 and the left module 2.8 are respectively provided with wedge blocks with small upper parts and large lower parts, and when the upper template assembly 1 is covered on the lower template assembly 2, the wedge blocks at the upper ends of the front module 2.7 and the left module 2.8 are wedged into corresponding grooves of the upper template assembly 1.
When the wax liquid filling device is used, the lower template assembly 2 and the support plate are pulled out rightward, the core pulling is inserted onto the corresponding guide key 2.12 from the left side, the front module 2.7, the left module 2.8, the rear module 2.9 and the right module 2.10 are close to the right module, the upper template assembly 1 is covered on the lower template assembly 2, the lower template assembly 2 and the support plate are pushed to the left together to push the wax liquid filling device, and then the wax liquid filling is carried out. After the wax liquid filling is completed, the upper template assembly 1 is separated from the lower template assembly 2, the lower template assembly 2 and the supporting plate are pulled out of the wax liquid filling equipment to the right, the right module 2.10 is pulled to the right to be separated from the wax liquid filling piece, the core is pulled out from the wax liquid filling piece, and the front module 2.7, the left module 2.8 and the rear module 2.9 are pulled out of the lower module, so that the wax liquid filling piece can be taken out smoothly.
Claims (4)
1. A wax liquid filling mould of a hot end mixer of an automobile engine exhaust system comprises an upper mould plate assembly (1) and a lower mould plate assembly (2); the lower template assembly (2) comprises a supporting plate (2.1) and a lower module; the support plate (2.1) is horizontally arranged, the lower module is fixedly connected to the upper end face of the support plate (2.1), and four corners of the lower module are respectively provided with a front left support block (2.3), a front right support block (2.4), a rear left support block (2.5) and a rear right support block (2.6) which are opposite at intervals; a front module (2.7) is arranged between the front left support block (2.3) and the front right support block (2.4); a left module (2.8) is arranged between the left front left supporting block (2.3) and the rear left supporting block (2.5); a rear module (2.9) is arranged between the rear left support block (2.5) and the rear right support block (2.6); a right module (2.10) is arranged between the right front right supporting block (2.4) and the right rear supporting block (2.6); the method is characterized in that:
The front module (2.7) is longitudinally connected with the front left supporting block (2.3) and the front right supporting block (2.4) in a sliding way in the front-back direction;
The left module (2.8) is connected with the front left supporting block (2.3) and the rear left supporting block (2.5) in a left-right transverse sliding manner;
A second linear rail pair (2.15) is arranged between the rear left support block (2.5) and the rear right support block (2.6); the front and rear longitudinal wire rails of the second wire rail pair (2.15) are fixedly connected to the upper end face of the supporting plate (2.1), and the lower end face of the rear module (2.9) is fixedly connected to the upper end face of the sliding block of the second wire rail pair (2.15);
A third linear rail pair (2.16) is arranged between the right front right supporting block (2.4) and the rear right supporting block (2.6); the left and right wire rails of the third wire rail pair (2.16) are transversely and fixedly connected to the upper end face of the supporting plate (2.1), and the lower end face of the right module (2.10) is fixedly connected to the upper end face of the sliding block of the third wire rail pair (2.16);
The left end of the right module (2.10) is provided with a supporting rod (2.11) which is horizontally arranged left and right and has a rectangular longitudinal section, the right end of the supporting rod (2.11) is fixedly connected to the right module (2.10), and the left end is cantilever-shaped;
Each surface of the left end cantilever part of the supporting rod (2.11) is fixedly connected with at least one left and right transversely horizontally arranged guide key (2.12); the longitudinal section of the part of the guide key (2.12) which is higher than the surface of the installed supporting rod (2.11) is tapered more far away from the surface of the installed supporting rod (2.11);
a plurality of loose cores are arranged on each surface of a cantilever part at the left end of the supporting rod (2.11); the loose core is connected with the corresponding guide key (2.12) in a sliding way, and is inserted onto the corresponding guide key (2.12) from the left side.
2. The wax liquid filling die for a hot end mixer of an automobile engine exhaust system according to claim 1, wherein the wax liquid filling die is characterized in that: a bottom plate (2.2) which is in a strip shape and horizontally arranged at the left side and the right side is arranged below the supporting plate (2.1); the upper end face of the bottom plate (2.2) is provided with a first wire rail pair (2.14); the left and right lateral line rails of the first line rail pair (2.14) are fixedly connected to the upper end surface of the bottom plate (2.2); the lower end face of the supporting plate (2.1) is fixedly connected to the upper end face of the sliding block of the first linear rail pair (2.14).
3. The wax liquid filling die for a hot end mixer of an exhaust system of an automobile engine according to claim 2, wherein: a plurality of supporting blocks (2.13) are fixedly connected to the upper end surface of the bottom plate (2.2) below the position of the supporting plate (2.1) when the wax liquid is filled; the upper end face of the supporting block (2.13) and the lower end face of the supporting plate (2.1) are provided with a gap of 0.1-0.3 mm.
4. A wax liquid filling mould for a hot end mixer of an exhaust system of an automobile engine according to any one of claims 1 to 3, which is characterized in that: the upper ends of the front left supporting block (2.3), the front right supporting block (2.4), the rear left supporting block (2.5) and the rear right supporting block (2.6) are respectively provided with guide posts; the upper ends of the rear module (2.9) and the right module (2.10) are respectively provided with a guide block; when the upper template assembly (1) is covered on the lower template assembly (2), the front left supporting block (2.3), the front right supporting block (2.4), the rear left supporting block (2.5), the guide post at the upper end of the rear right supporting block (2.6) and the guide blocks at the upper ends of the rear module (2.9) and the right module (2.10) are inserted into corresponding holes of the upper template assembly (1) in a sliding fit manner; the upper ends of the front module (2.7) and the left module (2.8) are respectively provided with wedge blocks with small upper parts and large lower parts, and when the upper template assembly (1) is covered on the lower template assembly (2), the wedge blocks at the upper ends of the front module (2.7) and the left module (2.8) are wedged into corresponding grooves of the upper template assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287994.9A CN110842139B (en) | 2019-12-15 | 2019-12-15 | Wax liquid filling die of hot end mixer of automobile engine exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287994.9A CN110842139B (en) | 2019-12-15 | 2019-12-15 | Wax liquid filling die of hot end mixer of automobile engine exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110842139A CN110842139A (en) | 2020-02-28 |
| CN110842139B true CN110842139B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911287994.9A Active CN110842139B (en) | 2019-12-15 | 2019-12-15 | Wax liquid filling die of hot end mixer of automobile engine exhaust system |
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| CN (1) | CN110842139B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921890A (en) * | 2012-11-15 | 2013-02-13 | 常州大学 | Investment casting method of heat-resistant steel exhaust manifold for automobile |
| CN104475682A (en) * | 2014-12-17 | 2015-04-01 | 北京航空航天大学 | Combined wax pattern-based method of achieving precision investment casting for heat-resistant cast steel thin-wall turbine shell |
| CN104550725A (en) * | 2013-10-29 | 2015-04-29 | 青岛天恒机械有限公司 | Method for investment casting automobile heat-resistant steel exhaust manifold |
| CN108691584A (en) * | 2017-04-07 | 2018-10-23 | 通用电气公司 | It is used to form the method and sub-assembly of the feature in composite component |
| CN211101416U (en) * | 2019-12-15 | 2020-07-28 | 泰州鑫宇精工股份有限公司 | Wax liquid filling mold for hot end mixer of automobile engine exhaust system |
-
2019
- 2019-12-15 CN CN201911287994.9A patent/CN110842139B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921890A (en) * | 2012-11-15 | 2013-02-13 | 常州大学 | Investment casting method of heat-resistant steel exhaust manifold for automobile |
| CN104550725A (en) * | 2013-10-29 | 2015-04-29 | 青岛天恒机械有限公司 | Method for investment casting automobile heat-resistant steel exhaust manifold |
| CN104475682A (en) * | 2014-12-17 | 2015-04-01 | 北京航空航天大学 | Combined wax pattern-based method of achieving precision investment casting for heat-resistant cast steel thin-wall turbine shell |
| CN108691584A (en) * | 2017-04-07 | 2018-10-23 | 通用电气公司 | It is used to form the method and sub-assembly of the feature in composite component |
| CN211101416U (en) * | 2019-12-15 | 2020-07-28 | 泰州鑫宇精工股份有限公司 | Wax liquid filling mold for hot end mixer of automobile engine exhaust system |
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| CN110842139A (en) | 2020-02-28 |
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