CN110756730A - Hot end mixer wax module tree structure of automobile engine exhaust system - Google Patents
Hot end mixer wax module tree structure of automobile engine exhaust system Download PDFInfo
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- CN110756730A CN110756730A CN201911288424.1A CN201911288424A CN110756730A CN 110756730 A CN110756730 A CN 110756730A CN 201911288424 A CN201911288424 A CN 201911288424A CN 110756730 A CN110756730 A CN 110756730A
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005495 investment casting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a wax mould group tree structure of a hot end mixer of an automobile engine exhaust system, which comprises a vertically arranged main pouring gate wax mould, a pouring cup wax mould fixedly connected to the upper end of the main pouring gate wax mould, a bottom main pouring gate wax mould fixedly connected to the lower end of the main pouring gate wax mould, two upper pouring gate wax moulds and two wax moulds of the hot end mixer of the automobile engine exhaust system, wherein the structure at one side of the central axis of the main pouring gate wax mould is a structure of which the other side structure rotates 180 degrees around the central axis of the main pouring gate wax mould; the first end cones of the hot end mixer wax molds of the automobile engine exhaust systems are all upward, and the second end cones of the hot end mixer wax molds of the two automobile engine exhaust systems are opposite and distributed on two sides of the main runner wax mold; 9 gates are arranged; the further improvement lies in that: the first end of the hot end of the mixer wax mould of the automobile engine exhaust system is provided with 3 spherical blind risers at intervals along the circumferential direction of the end surface of the conical wax mould, and a reinforcing wax strip is arranged between the adjacent spherical blind risers. The invention has high molten steel utilization rate and less casting shrinkage porosity.
Description
Technical Field
The invention relates to the technical field of investment casting, in particular to a wax pattern tree structure of a hot end mixer of an automobile engine exhaust system.
Background
The hot end mixer of the automobile engine exhaust system is a common part of an automobile engine and needs to be produced in large batch. The hot end mixer for the exhaust system of the automobile engine comprises a first end cone, a second end cone, a shell and a positioning column, 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, the small ends of the first end cone and the second end cone are respectively and fixedly connected to the two ends of the outlet of the channel of the shell, and the positioning column is fixedly connected to the outer wall of the first end cone. The existing hot end mixer of an exhaust system of an automobile engine is a thin-wall special-shaped part, and is generally provided with 4-5 pouring gates when being cast by adopting a precision casting process, so that a cast product is easy to shrink and loosen.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wax module tree structure of a hot end mixer of an automobile engine exhaust system, which can obviously reduce casting shrinkage porosity.
The invention achieves the technical aim through the following technical scheme.
The hot end mixer wax pattern group tree structure of the automobile engine exhaust system comprises a vertically arranged main pouring gate wax pattern, a pouring cup wax pattern fixedly connected to the upper end of the main pouring gate wax pattern, a bottom main pouring gate wax pattern fixedly connected to the lower end of the main pouring gate wax pattern, two upper pouring gate wax patterns and two automobile engine exhaust system hot end mixer wax patterns, wherein the structure on one side of the central axis of the main pouring gate wax pattern is a structure with the other side rotating 180 degrees around the central axis of the main pouring gate wax pattern; the hot end mixer wax mold of the automobile engine exhaust system comprises a first end conical wax mold, a second end conical wax mold, a shell wax mold and a positioning column wax mold; the shell wax mould is a right-angle component provided with a 90-degree bending channel, the first end taper wax mould and the second end taper wax mould are conical components, and the small ends of the first end taper wax mould and the second end taper wax mould are respectively and fixedly connected with the two ends of the outlet of the shell wax mould channel; the positioning column wax mold is fixedly connected to the outer wall of the first end conical wax mold; the first end cones of the hot end mixer wax molds of the automobile engine exhaust system are both upward, and the second end cones of the two hot end mixer wax molds of the automobile engine exhaust system are opposite and distributed on two sides of the main runner wax mold; the improvement is that: the two upper pouring gate wax molds are horizontally arranged in the front-back direction and are respectively and fixedly connected to the front side and the back side of the upper end of the main pouring gate wax mold; the bottom main pouring channel wax mold is horizontally arranged in the front-back direction, the middle part of the upper end surface is fixedly connected with the lower end of the main pouring channel wax mold, and the height direction of the bottom main pouring channel wax mold is lower than that of a hot end mixer wax mold of an exhaust system of an automobile engine; a first bottom branch runner wax mold and a second bottom branch runner wax mold which are horizontally arranged in the left-right direction and are opposite to each other at a front-back interval are arranged on both sides of the bottom main runner wax mold; one ends of the first bottom branch pouring channel wax mould and the second bottom branch pouring channel wax mould close to the bottom main pouring channel wax mould are fixedly connected to one side of the bottom main pouring channel wax mould at intervals; in the left and right directions, a first side pouring channel wax mould and a second side pouring channel wax mould which are vertically arranged and are opposite to each other at a front-back interval are arranged on the outer side of a shell wax mould of the hot end mixer wax mould of the automobile engine far away from the main pouring channel wax mould; the lower ends of the first side pouring channel wax mould and the second side pouring channel wax mould are respectively fixedly connected with one ends of the first bottom branch pouring channel wax mould and the second bottom branch pouring channel wax mould far away from the bottom main pouring channel wax mould; in the front-rear direction, a third side runner wax mould is arranged on one side of the locating column wax mould of the hot-end mixer wax mould of the automobile engine exhaust system; one end of the third side pouring channel wax mould is fixedly connected with one end, far away from the main pouring channel wax mould, of the upper pouring channel wax mould on the same side, and the other end of the third side pouring channel wax mould is connected with the positioning column wax mould through the third side pouring channel wax mould; in the front-rear direction, a fourth side runner wax mold is arranged on the other side of the third side runner wax mold, the fourth side runner wax mold is vertically arranged, and the lower end of the fourth side runner wax mold is fixedly connected with the side edge of the second bottom branch runner wax mold; two main runner sprue wax molds which are opposite to each other at an upper-lower interval are arranged between the main runner wax mold and a second end cone of the hot end mixer wax mold of the exhaust system of the automobile engine; the upper end of the first side pouring channel wax mould is provided with a first side pouring channel wax mould which is connected with the outer wall of a shell wax mould of a hot-end mixer wax mould of an exhaust system of an automobile engine; the upper end of the second side pouring channel wax mold is provided with a second side pouring channel pouring gate wax mold which is connected with the outer wall of the shell wax mold of the hot end mixer wax mold of the automobile engine exhaust system; the upper end of the fourth side pouring channel wax mould is provided with a fourth side pouring channel pouring gate wax mould which is connected with the outer wall of the shell wax mould of the hot end mixer wax mould of the automobile engine exhaust system; a third bottom branch pouring channel wax mold horizontally arranged in the front-back direction is arranged on one side of the first bottom branch pouring channel wax mold where the fourth side pouring channel wax mold is located, and one end of the third bottom branch pouring channel wax mold is fixedly connected to the side edge of the first bottom branch pouring channel wax mold; the upper end surface of the third bottom branch pouring channel wax mold is provided with a third bottom branch pouring channel pouring gate wax mold which is connected with the shell wax mold of the hot end mixer wax mold of the automobile engine exhaust system and the outer wall of the joint of the second end cone; and the upper end surfaces of the first bottom branch pouring channel wax mould and the second bottom branch pouring channel wax mould are respectively provided with a first bottom branch pouring channel pouring gate wax mould and a second bottom branch pouring channel pouring gate wax mould which are connected with the outer wall of the shell wax mould of the hot end mixer wax mould of the exhaust system of the automobile engine.
In the structure, 3 spherical blind risers are arranged at intervals in the circumferential direction on the end face of the first end cone wax mould of the hot end mixer wax mould of the exhaust system of the automobile engine.
In the structure, a reinforcing wax strip is arranged between the adjacent spherical blind risers on the end surface of each first end conical wax mould; the reinforcing wax strips are fixedly connected to the upper side of the spherical blind riser; and an exhaust wax strip is arranged above the first-end conical wax mould of the hot-end mixer wax mould of each automobile engine exhaust system and is connected with the sprue cup wax mould and the reinforcing wax strip.
Compared with the prior art, the invention has the following positive effects:
1. the invention is provided with 9 gates, thereby obviously reducing casting shrinkage porosity.
2. 3 spherical blind risers are arranged at intervals in the circumferential direction on the end face of a first end cone wax mould of a hot end mixer wax mould of an automobile engine exhaust system, and the spherical blind risers are adopted for feeding, so that the utilization rate of molten steel is obviously improved.
3. And a reinforcing wax strip is arranged between the adjacent spherical blind risers on the end surface of each first end cone wax mould, so that the pouring deformation is obviously reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a rear view of fig. 1.
Fig. 4 is a bottom view of fig. 1.
Fig. 5 is a left side view of fig. 1.
FIG. 6 is a schematic view of a hot end mixer wax structure for an exhaust system of an automobile engine according to the present invention.
Fig. 7 is a perspective view of the present invention.
Detailed Description
The invention is further illustrated with reference to the following examples in accordance with the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The automobile engine exhaust system hot end mixer wax pattern tree structure shown in the attached drawing comprises a vertically arranged main pouring channel wax pattern 10, a pouring cup wax pattern 20 fixedly connected to the upper end of the main pouring channel wax pattern 10, a bottom main pouring channel wax pattern 30 fixedly connected to the lower end of the main pouring channel wax pattern 10, two upper pouring channel wax patterns 40 and two automobile engine exhaust system hot end mixer wax patterns 60, wherein the structure on one side of the central axis of the main pouring channel wax pattern 10 is a structure with the other side rotating 180 degrees around the central axis of the main pouring channel wax pattern 10; the hot end mixer wax mold 60 of the automobile engine exhaust system comprises a first end conical wax mold 61, a second end conical wax mold 62, a shell wax mold 63 and a positioning column wax mold 64; the shell wax mould 63 is a right-angle component provided with a 90-degree bending channel, the first end taper wax mould 61 and the second end taper wax mould 62 are conical components, and the small ends of the first end taper wax mould 61 and the second end taper wax mould 62 are respectively and fixedly connected with the two ends of the outlet of the channel of the shell wax mould 63; the positioning column wax mold 64 is fixedly connected to the outer wall of the first end cone wax mold 61; the first end cones 61 of the hot end mixer wax molds 60 of the automobile engine exhaust system are upward, and the second end cones 62 of the two hot end mixer wax molds 60 of the automobile engine exhaust system are opposite and distributed at two sides of the main pouring channel wax mold 10.
The two upper pouring channel wax moulds 40 are horizontally arranged in the front-back direction and are respectively and fixedly connected to the front side and the back side of the upper end of the main pouring channel wax mould 10; the bottom main pouring channel wax mold 30 is horizontally arranged in the front-back direction, the middle part of the upper end surface is fixedly connected with the lower end of the main pouring channel wax mold 10, and the height direction of the bottom main pouring channel wax mold is lower than that of a hot end mixer wax mold 60 of an exhaust system of an automobile engine; a first bottom branch runner wax mold 31 and a second bottom branch runner wax mold 32 which are horizontally arranged in the left-right direction and are opposite to each other at a front-back interval are arranged on both sides of the bottom main runner wax mold 30; one ends of the first bottom branch pouring channel wax mould 31 and the second bottom branch pouring channel wax mould 32 close to the bottom main pouring channel wax mould 30 are fixedly connected to one side of the bottom main pouring channel wax mould 30 at intervals; in the left and right directions, a first side pouring channel wax mould 33 and a second side pouring channel wax mould 34 which are vertically arranged and are opposite at a front-back interval are arranged on the outer side of a shell wax mould 63 of the hot end mixer wax mould 60 of the automobile engine far away from the main pouring channel wax mould 10; the lower ends of the first side pouring channel wax mould 33 and the second side pouring channel wax mould 34 are respectively fixedly connected with one ends of the first bottom branch pouring channel wax mould 31 and the second bottom branch pouring channel wax mould 32 far away from the bottom main pouring channel wax mould 30; in the front-rear direction, a third side runner wax mold 35 is arranged on one side of the positioning column wax mold 64 of the hot end mixer wax mold 60 of the automobile engine exhaust system; one end of the third side runner wax mold 35 is fixedly connected with one end of the upper runner wax mold 40 on the same side, which is far away from the main runner wax mold 10, and the other end of the third side runner wax mold is connected with the positioning column wax mold 64 through the third side runner sprue wax mold 39; in the front-rear direction, a fourth side pouring channel wax mould 36 is arranged on the other side of the third side pouring channel wax mould 35, the fourth side pouring channel wax mould 36 is vertically arranged, and the lower end of the fourth side pouring channel wax mould is fixedly connected with the side edge of the second bottom branch pouring channel wax mould 32; two main runner sprue wax molds 11 which are opposite at an upper-lower interval are arranged between the main runner wax mold 10 and a second end cone 62 of a hot end mixer wax mold 60 of an exhaust system of an automobile engine; the upper end of the first side pouring channel wax mould 33 is provided with a first side pouring channel pouring gate wax mould 37 which is connected with the outer wall of a shell wax mould 63 of a hot end mixer wax mould 60 of an automobile engine exhaust system; the upper end of the second side pouring channel wax mould 34 is provided with a second side pouring channel wax mould 38 which is connected with the outer wall of a shell wax mould 63 of a hot end mixer wax mould 60 of an exhaust system of an automobile engine; the upper end of the fourth side pouring channel wax mould 36 is provided with a fourth side pouring channel pouring gate wax mould 41 which is connected with the outer wall of a shell wax mould 63 of a hot end mixer wax mould 60 of an automobile engine exhaust system; a third bottom branch pouring channel wax mold 42 which is horizontally arranged in the front-back direction is arranged on the side, where the fourth side pouring channel wax mold 36 is positioned, of the first bottom branch pouring channel wax mold 31, and one end of the third bottom branch pouring channel wax mold 42 is fixedly connected to the side edge of the first bottom branch pouring channel wax mold 31; the upper end surface of the third bottom branch pouring channel wax mould 42 is provided with a third bottom branch pouring channel pouring gate wax mould 43 which is connected with the outer wall of the joint of the shell wax mould 63 and the second end cone 62 of the hot end mixer wax mould 60 of the exhaust system of the automobile engine; the upper end surfaces of the first bottom branch pouring channel wax mould 31 and the second bottom branch pouring channel wax mould 32 are respectively provided with a first bottom branch pouring channel pouring gate wax mould 44 and a second bottom branch pouring channel pouring gate wax mould 45 which are connected with the outer wall of a shell wax mould 63 of a hot end mixer wax mould 60 of an automobile engine exhaust system.
3 spherical blind risers 46 are circumferentially arranged at intervals on the end surface of a first end conical wax mold 61 of a hot end mixer wax mold 60 of an automobile engine exhaust system, and a reinforcing wax strip 47 is arranged between the adjacent spherical blind risers 46 on the end surface of each first end conical wax mold 61; the reinforcing wax strips 47 are fixedly connected to the upper side of the spherical blind riser 46; an exhaust wax strip 48 is arranged above a first-end conical wax mould 61 of a hot-end mixer wax mould 60 of each automobile engine exhaust system, and the exhaust wax strip 48 is connected with the sprue cup wax mould 20 and the reinforcing wax strip 47.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A wax pattern group tree structure of a hot end mixer of an automobile engine exhaust system comprises a vertically arranged main pouring gate wax pattern (10), a pouring cup wax pattern (20) fixedly connected to the upper end of the main pouring gate wax pattern (10), a bottom main pouring gate wax pattern (30) fixedly connected to the lower end of the main pouring gate wax pattern (10), two upper pouring gate wax patterns (40) and two automobile engine exhaust system hot end mixer wax patterns (60), wherein the structure on one side of the central axis of the main pouring gate wax pattern (10) is a 180-degree rotating structure of the structure on the other side around the central axis of the main pouring gate wax pattern (10); the hot end mixer wax mold (60) of the automobile engine exhaust system comprises a first end cone wax mold (61), a second end cone wax mold (62), a shell wax mold (63) and a positioning column wax mold (64); the shell wax mould (63) is a right-angle component provided with a 90-degree bending channel, the first end conical wax mould (61) and the second end conical wax mould (62) are conical components, and the small ends of the first end conical wax mould (61) and the second end conical wax mould (62) are respectively and fixedly connected with the two ends of the outlet of the channel of the shell wax mould (63); the positioning column wax mold (64) is fixedly connected to the outer wall of the first end cone wax mold (61); the first end cones (61) of the hot end mixer wax molds (60) of the automobile engine exhaust system are both upward, and the second end cones (62) of the two hot end mixer wax molds (60) of the automobile engine exhaust system are opposite and distributed on two sides of the main pouring channel wax mold (10); the method is characterized in that: the two upper pouring channel wax moulds (40) are horizontally arranged in the front-back direction and are respectively and fixedly connected to the front side and the back side of the upper end of the main pouring channel wax mould (10); the bottom main pouring channel wax mold (30) is horizontally arranged in the front-back direction, the middle part of the upper end surface is fixedly connected with the lower end of the main pouring channel wax mold (10), and the height direction of the bottom main pouring channel wax mold is lower than that of a hot end mixer wax mold (60) of an exhaust system of an automobile engine; a first bottom branch pouring channel wax mould (31) and a second bottom branch pouring channel wax mould (32) which are horizontally arranged in the left-right direction and are opposite to each other at a front-back interval are arranged on both sides of the bottom main pouring channel wax mould (30); one ends of the first bottom branch pouring channel wax mould (31) and the second bottom branch pouring channel wax mould (32) close to the bottom main pouring channel wax mould (30) are fixedly connected to one side of the bottom main pouring channel wax mould (30) at intervals; in the left and right directions, a first side pouring channel wax mould (33) and a second side pouring channel wax mould (34) which are vertically arranged and are opposite at a front-back interval are arranged on the outer side of a shell wax mould (63) of the hot end mixer wax mould (60) of the automobile engine exhaust system, far away from the main pouring channel wax mould (10); the lower ends of the first side pouring channel wax mould (33) and the second side pouring channel wax mould (34) are respectively fixedly connected with one ends, far away from the bottom main pouring channel wax mould (30), of the first bottom branch pouring channel wax mould (31) and the second bottom branch pouring channel wax mould (32); in the front-rear direction, a third side runner wax mould (35) is arranged on one side of the positioning column wax mould (64) of the hot end mixer wax mould (60) of the automobile engine exhaust system; one end of the third side pouring channel wax mould (35) is fixedly connected with one end, far away from the main pouring channel wax mould (10), of the upper pouring channel wax mould (40) on the same side, and the other end of the third side pouring channel wax mould is connected with the positioning column wax mould (64) through a third side pouring channel pouring gate wax mould (39); in the front-rear direction, a fourth side runner wax mold (36) is arranged on the other side of the third side runner wax mold (35), the fourth side runner wax mold (36) is vertically arranged, and the lower end of the fourth side runner wax mold is fixedly connected with the side edge of the second bottom branch runner wax mold (32); two main runner sprue wax molds (11) which are opposite to each other at an upper-lower interval are arranged between the main runner wax mold (10) and a second end cone (62) of a hot end mixer wax mold (60) of an exhaust system of an automobile engine; the upper end of the first side pouring channel wax mould (33) is provided with a first side pouring channel pouring gate wax mould (37) which is connected with the outer wall of a shell wax mould (63) of a hot end mixer wax mould (60) of an exhaust system of an automobile engine; the upper end of the second side pouring channel wax mould (34) is provided with a second side pouring channel pouring gate wax mould (38) which is connected with the outer wall of a shell wax mould (63) of a hot end mixer wax mould (60) of an exhaust system of an automobile engine; the upper end of the fourth side pouring channel wax mould (36) is provided with a fourth side pouring channel pouring gate wax mould (41) which is connected with the outer wall of a shell wax mould (63) of a hot end mixer wax mould (60) of an automobile engine exhaust system; a third bottom branch pouring channel wax mold (42) which is horizontally arranged in the front-back direction is arranged on one side of the first bottom branch pouring channel wax mold (31) where the fourth side pouring channel wax mold (36) is located, and one end of the third bottom branch pouring channel wax mold (42) is fixedly connected to the side edge of the first bottom branch pouring channel wax mold (31); the upper end surface of the third bottom branch pouring channel wax mould (42) is provided with a third bottom branch pouring channel pouring gate wax mould (43) which is connected with the outer wall of the joint of a shell wax mould (63) and a second end cone (62) of a hot end mixer wax mould (60) of an exhaust system of an automobile engine; and the upper end surfaces of the first bottom branch pouring channel wax mould (31) and the second bottom branch pouring channel wax mould (32) are respectively provided with a first bottom branch pouring channel pouring gate wax mould (44) and a second bottom branch pouring channel pouring gate wax mould (45) which are connected with the outer wall of a shell wax mould (63) of a hot end mixer wax mould (60) of an automobile engine exhaust system.
2. The automobile engine exhaust system hot end mixer wax module tree structure of claim 1, wherein: the hot end of the automobile engine exhaust system mixer wax mold (60) is provided with 3 spherical blind risers (46) at intervals along the circumferential direction of the end surface of the first end cone wax mold (61).
3. The automobile engine exhaust system hot end mixer wax module tree structure of claim 2, wherein: a reinforcing wax strip (47) is arranged between the adjacent spherical blind risers (46) on the end surface of each first end cone wax mould (61); the reinforcing wax strips (47) are fixedly connected to the upper side of the spherical blind riser (46); an exhaust wax strip (48) is arranged above a first end cone wax mould (61) of each automobile engine exhaust system hot end mixer wax mould (60), and the exhaust wax strip (48) is connected with a sprue cup wax mould (20) and a reinforcing wax strip (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288424.1A CN110756730B (en) | 2019-12-16 | 2019-12-16 | Wax module tree structure of hot end mixer of automobile engine exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288424.1A CN110756730B (en) | 2019-12-16 | 2019-12-16 | Wax module tree structure of hot end mixer of automobile engine exhaust system |
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| CN110756730A true CN110756730A (en) | 2020-02-07 |
| CN110756730B CN110756730B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997473A (en) * | 2004-05-06 | 2007-07-11 | 加工技术（欧洲）有限公司 | Improvements in investment casting |
| CN106593608A (en) * | 2017-01-17 | 2017-04-26 | 江苏多为机械工业有限公司 | Gas outlet end assembly of exhaust system of automobile engine and production technology thereof |
| CN208712779U (en) * | 2018-07-27 | 2019-04-09 | 深圳市科立达机械有限公司 | Model casting group tree construction |
| CN209439381U (en) * | 2018-12-14 | 2019-09-27 | 深圳市科立达机械有限公司 | Seal receptacle wax module tree structure |
| CN211437986U (en) * | 2019-12-16 | 2020-09-08 | 泰州鑫宇精工股份有限公司 | Hot end mixer wax module tree structure of automobile engine exhaust system |
-
2019
- 2019-12-16 CN CN201911288424.1A patent/CN110756730B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997473A (en) * | 2004-05-06 | 2007-07-11 | 加工技术（欧洲）有限公司 | Improvements in investment casting |
| CN106593608A (en) * | 2017-01-17 | 2017-04-26 | 江苏多为机械工业有限公司 | Gas outlet end assembly of exhaust system of automobile engine and production technology thereof |
| CN208712779U (en) * | 2018-07-27 | 2019-04-09 | 深圳市科立达机械有限公司 | Model casting group tree construction |
| CN209439381U (en) * | 2018-12-14 | 2019-09-27 | 深圳市科立达机械有限公司 | Seal receptacle wax module tree structure |
| CN211437986U (en) * | 2019-12-16 | 2020-09-08 | 泰州鑫宇精工股份有限公司 | Hot end mixer wax module tree structure of automobile engine exhaust system |
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| CN110756730B (en) | 2024-05-14 |
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