CN220005878U - Combined lost wax mould with uniform wall thickness - Google Patents
Combined lost wax mould with uniform wall thickness Download PDFInfo
- Publication number
- CN220005878U CN220005878U CN202321519745.XU CN202321519745U CN220005878U CN 220005878 U CN220005878 U CN 220005878U CN 202321519745 U CN202321519745 U CN 202321519745U CN 220005878 U CN220005878 U CN 220005878U
- Authority
- CN
- China
- Prior art keywords
- wax
- mould
- thickness
- wax mould
- side edge
- 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
- 239000011159 matrix material Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract 6
- 239000007787 solid Substances 0.000 description 9
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005495 investment casting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model relates to a combined lost wax mould with uniform wall thickness, which comprises a mould, wherein the mould consists of a hollow wax mould and a wax mould cover plate, the hollow wax mould comprises a T-shaped rear mould plate, and the outer side of the rear mould plate is provided with a front extending and T-shaped outer frame; the middle part shaping of back template has circular shape hole, and the shaping of back template medial extremity in hole department has the annular interior frame of forward extension and cylinder, encloses between interior frame and the outline and establishes the shaping and have the die cavity, is equipped with a plurality of first gusset in the die cavity, and the medial extremity shaping of first gusset is on the outer wall of interior frame, the lateral extremity shaping is on the inside wall of outline, the back side shaping is on the back template. The lost wax mould is provided with the cavity in the wax mould, so that the mould wall of the wax mould is uniform and the thickness is moderate, the cooling and solidifying time of the wax mould is shortened, and the production efficiency of the wax mould can be effectively improved; after the wax mould is cooled and solidified and shortened, the wax mould is not attached to the core pulling of the wax mould manufacturing mould for a long time, and the demoulding is convenient.
Description
Technical field:
the utility model relates to the technical field of wax molds, in particular to a combined type wax loss mold with uniform wall thickness.
The background technology is as follows:
in the existing precision casting process, a lost wax process is adopted, the lost wax process is required to manufacture a wax pattern, the wax pattern is poured into a wax pattern manufacturing mold through wax paste, after the wax paste is cooled and solidified in the mold, the wax pattern can be obtained through removing the mold, and the appearance of the wax pattern is the appearance of a subsequent casting; at present, a part with a T-shaped structure is arranged, the wax pattern structure of the part is shown in fig. 1, the part is a solid wax pattern 1', a pattern hole 11' is formed on the solid wax pattern 1', and similar to the wax pattern, because the partial wall of the wax pattern is thicker, when the wax pattern is injected into a wax pattern manufacturing mold, more than ten minutes are needed for solidification and molding of the wax pattern, only about 4 solid wax patterns 1' can be manufactured in one hour, and the production efficiency is lower; the die wall of the solid wax die 1 'is inconsistent, and the thin part of the wall is solidified firstly, for example, the die wall at the upper side of the die hole 11', but the whole wax die can be solidified only for a long time, so that the inner wall at the upper side of the die hole 11 'can hold the core-pulling of the wax die manufacturing die, the core-pulling and the pulling are difficult, and the die wall at the upper side of the die hole 11' is easy to crack;
in addition, in the place of the wall thickness of the solid wax pattern 1', such as the mold wall at the lower side of the mold hole 11', the outer surface of the mold wall at the place is firstly cooled and solidified, and then cooled and solidified, and the stress effect exists, so that a tensile force can be generated, and the outer surface of the mold wall at the place is uneven, so that the mold repair is often needed. Therefore, a wax-losing mould which is fast in cooling solidification and has no rugged phenomenon on the outer surface in the solidification process of the wax mould needs to be designed.
The utility model comprises the following steps:
the utility model aims at overcoming the defects of the prior art, and provides a combined lost wax die with uniform wall thickness, wherein a cavity is designed in the lost wax die, so that the uniform wall thickness and moderate thickness of the lost wax die are promoted, the cooling and solidification time of the lost wax die is shortened, and the production efficiency of manufacturing the lost wax die can be effectively improved.
A combined lost wax mould with uniform wall thickness comprises a mould, wherein the mould consists of a hollow wax mould and a wax mould cover plate, the hollow wax mould comprises a T-shaped rear mould plate, and the outer side of the rear mould plate is provided with a front extending and T-shaped outer frame; the middle part of the rear template is provided with a round hole, the inner side edge of the rear template at the hole is provided with a cylindrical annular inner frame which extends forwards, a cavity is formed between the inner frame and the outer frame in a surrounding mode, a plurality of first rib plates are arranged in the cavity, the inner side edge of each first rib plate is formed on the outer wall of the inner frame, the outer side edge of each first rib plate is formed on the inner side wall of the outer frame, and the rear side edge of each first rib plate is formed on the rear template;
the wax mould cover plate is inserted into the cavity of the hollow wax mould, the rear end face of the wax mould cover plate is abutted against the front side edge of the first rib plate, and the front end face of the wax mould cover plate is respectively flush with the front end face of the outer frame and the front end face of the inner frame.
Preferably, the plane of the outer side wall of the outer frame is perpendicular to the plane of the front end face of the wax pattern cover plate.
Preferably, the inner side edge of the front end of the outer frame and the outer ring of the front end of the inner frame are respectively provided with an outer step groove and an inner step groove, and the wax pattern cover plate is respectively inserted into the outer step groove and the inner step groove of the hollow wax pattern and is abutted against the bottom surfaces of the outer step groove and the inner step groove.
Preferably, the outer frame is composed of a vertical part on the upper part and a horizontal part on the lower side, vertical second rib plates are formed in the outer frame on two sides of the vertical part, the rear side edges of the second rib plates are formed on the rear template, the front side edges of the second rib plates and the front side edges of the first rib plates are in the same plane, and the thickness of the second rib plates is equal to that of the first rib plates.
Preferably, the first rib plates are distributed on the upper side, the lower side, the left side and the right side of the inner frame, and the thickness of the first rib plates, the thickness of the second rib plates, the thickness of the rear template, the thickness of the inner frame and the thickness of the outer frame are all equal.
Preferably, the thickness of the wax pattern cover plate is equal to the thickness of the rear mold plate.
The utility model has the beneficial effects that:
1. the lost wax mould is provided with the cavity in the wax mould, so that the mould wall of the wax mould is uniform and the thickness is moderate, the cooling and solidifying time of the wax mould is shortened, and the production efficiency of the wax mould can be effectively improved; after the wax mould is cooled and solidified and shortened, the wax mould is not attached to the core pulling of the wax mould manufacturing mould for a long time, so that the demoulding is convenient, the stress is eliminated, and the problem of uneven surface is avoided.
2. The whole amount of the wax paste used by the wax paste losing mould is greatly reduced, the time and loss of recycling the wax paste can be reduced, and the cost is effectively saved;
3. the whole weight of the lost wax mould is greatly reduced, so that the labor intensity of workers for transferring or coating outside the wax mould can be greatly reduced in the subsequent production process.
Description of the drawings:
FIG. 1 is a schematic diagram of a conventional solid wax pattern;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic side view of the present utility model in semi-section.
In the figure: 1', solid wax pattern; 11', a die hole; 1. a hollow wax pattern; 11. a rear template; 111. a shaped hole; 12. an outer frame; 121. an outer step groove; 13. an inner frame; 131. an inner step groove; 14. a first rib plate; 15. a second rib plate; 2. and a wax pattern cover plate.
The specific embodiment is as follows:
examples: as shown in fig. 2 to 4, a combined lost wax mould with uniform wall thickness comprises a mould, wherein the mould consists of a hollow wax mould 1 and a wax mould cover plate 2, the hollow wax mould 1 comprises a T-shaped rear mould plate 11, and the outer side edge of the rear mould plate 11 is formed with a front extending and T-shaped outer frame 12; a circular hole 111 is formed in the middle of the rear template 11, a forwardly extending cylindrical annular inner frame 13 is formed on the inner side edge of the rear template 11 at the hole 111, a cavity is formed between the inner frame 13 and the outer frame 12 in a surrounding mode, a plurality of first rib plates 14 are arranged in the cavity, the inner side edge of each first rib plate 14 is formed on the outer wall of the inner frame 13, the outer side edge is formed on the inner side wall of the outer frame 12, and the rear side edge is formed on the rear template 11;
the wax pattern cover plate 2 is inserted into the cavity of the hollow wax pattern 1, the rear end face of the wax pattern cover plate 2 is abutted against the front side edge of the first rib plate 14, and the front end face of the wax pattern cover plate 2 is respectively flush with the front end face of the outer frame 12 and the front end face of the inner frame 13.
The plane of the outer side wall of the outer frame 12 is perpendicular to the plane of the front end face of the wax pattern cover plate 2, and the appearance of the wax pattern cover plate 2 and the hollow wax pattern 1 after being spliced and combined is identical to that of the solid wax pattern 1'.
The inner side edge of the front end of the outer frame 12 and the outer ring of the front end of the inner frame 13 are respectively provided with an outer step groove 121 and an inner step groove 131, the wax pattern cover plate 2 is respectively inserted into the outer step groove 121 and the inner step groove 131 of the hollow wax pattern 1 and is propped against the bottom surfaces of the outer step groove 121 and the inner step groove 131, the step groove is reserved, the hollow wax pattern 1 and the wax pattern cover plate 2 are combined to form a well-sealed cavity, and then mold shell sand is prevented from entering the cavity from a gap between the wax pattern cover plate 2 and the outer frame 12 or from a gap between the wax pattern cover plate 2 and the inner frame 13 during subsequent lost-wax casting.
The outer frame 12 comprises a vertical part at the upper part and a horizontal part at the lower side, a vertical second rib plate 15 is formed in the outer frame 12 at the two sides of the vertical part, the rear side edge of the second rib plate 15 is formed on the rear template 11, the front side edge of the second rib plate 15 and the front side edge of the first rib plate 14 are in the same plane, and the thickness of the second rib plate 15 is equal to that of the first rib plate 14.
The first rib plates 14 are distributed on the upper side, the lower side, the left side and the right side of the inner frame 13, the thickness of the first rib plates 14, the thickness of the second rib plates 15, the thickness of the rear template 11, the thickness of the inner frame 13 and the thickness of the outer frame 12 are equal
The thickness of the wax pattern cover plate 2 is equal to that of the rear template 11, and the thickness is consistent, so that the wax pattern can be rapidly cooled and molded.
Working principle: the utility model relates to a combined lost wax mould with uniform wall thickness, which mainly has the technology that a cavity is formed in the original solid wax mould 1', and the cavity can reduce the weight of the wax mould and the injected wax paste; the uniform wall thickness of the wax pattern can be realized, the cooling solidification can be realized rapidly, and then 15-20 wax patterns can be manufactured in one hour, so that the production efficiency can be improved greatly;
however, if the cavity is empty, the strength of the wax mould is weakened, so that the reinforcing plates (the first reinforcing plate 14 and the second reinforcing plate 15) are additionally arranged to increase the strength;
in order to realize that the cavity can be manufactured by the wax mould manufacturing mould, the wax mould is divided into a hollow wax mould 1 and a wax mould cover plate 2, the hollow wax mould 1 and the wax mould cover plate 2 are manufactured respectively, and the hollow wax mould 1 and the wax mould cover plate 2 are spliced and assembled together to form the required wax mould after manufacturing.
The examples are presented to illustrate the utility model and are not intended to limit the utility model. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore set forth in the appended claims.
Claims (6)
1. The utility model provides a wax pattern is lost to even combination formula of wall thickness, includes the mould, and the mould comprises hollow wax matrix (1) and wax matrix apron (2), its characterized in that: the hollow wax mould (1) comprises a T-shaped rear mould plate (11), and an outer side edge of the rear mould plate (11) is formed with a front extending and T-shaped outer frame (12); a round hole (111) is formed in the middle of the rear template (11), a cylindrical annular inner frame (13) which extends forwards is formed on the inner side edge of the rear template (11) at the position of the hole (111), a cavity is formed between the inner frame (13) and the outer frame (12) in a surrounding mode, a plurality of first rib plates (14) are arranged in the cavity, the inner side edge of each first rib plate (14) is formed on the outer wall of the inner frame (13), the outer side edge is formed on the inner side wall of the outer frame (12), and the rear side edge is formed on the rear template (11);
the wax mould cover plate (2) is inserted into the cavity of the hollow wax mould (1), the rear end face of the wax mould cover plate (2) is abutted against the front side edge of the first rib plate (14), and the front end face of the wax mould cover plate (2) is respectively flush with the front end face of the outer frame (12) and the front end face of the inner frame (13).
2. A uniformly thick wall combined lost wax die in accordance with claim 1 wherein: the plane of the outer side wall of the outer frame (12) is perpendicular to the plane of the front end face of the wax mould cover plate (2).
3. A uniformly thick wall combined lost wax die in accordance with claim 2 wherein: the inner side edge of the front end of the outer frame (12) and the outer ring of the front end of the inner frame (13) are respectively provided with an outer stepped groove (121) and an inner stepped groove (131), and the wax pattern cover plate (2) is respectively inserted into the outer stepped groove (121) and the inner stepped groove (131) of the hollow wax pattern (1) and is abutted against the bottom surfaces of the outer stepped groove (121) and the inner stepped groove (131).
4. A uniformly thick wall combined lost wax die in accordance with claim 1 wherein: the outer frame (12) comprises a vertical part on the upper part and a horizontal part on the lower side, a vertical second rib plate (15) is formed in the outer frame (12) on the two sides of the vertical part, the rear side edge of the second rib plate (15) is formed on the rear template (11), the front side edge of the second rib plate (15) and the front side edge of the first rib plate (14) are in the same plane, and the thickness of the second rib plate (15) is equal to that of the first rib plate (14).
5. A uniformly thick wall combined lost wax die in accordance with claim 4 wherein: the first rib plates (14) are distributed on the upper side, the lower side, the left side and the right side of the inner frame (13), and the thickness of the first rib plates (14), the thickness of the second rib plates (15), the thickness of the rear template (11), the thickness of the inner frame (13) and the thickness of the outer frame (12) are equal.
6. A uniformly thick wall combined lost wax die in accordance with claim 5 wherein: the thickness of the wax pattern cover plate (2) is equal to that of the rear template (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519745.XU CN220005878U (en) | 2023-06-15 | 2023-06-15 | Combined lost wax mould with uniform wall thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519745.XU CN220005878U (en) | 2023-06-15 | 2023-06-15 | Combined lost wax mould with uniform wall thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220005878U true CN220005878U (en) | 2023-11-14 |
Family
ID=88688430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321519745.XU Active CN220005878U (en) | 2023-06-15 | 2023-06-15 | Combined lost wax mould with uniform wall thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220005878U (en) |
-
2023
- 2023-06-15 CN CN202321519745.XU patent/CN220005878U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206425523U (en) | A kind of casting die being easily stripped | |
| CN101486071A (en) | Technique and equipment for pouring flanged fitting combination | |
| CN201132201Y (en) | Combined casting die with metal inner core | |
| CN220005878U (en) | Combined lost wax mould with uniform wall thickness | |
| CN210280581U (en) | Casting mold for brake drum | |
| CN108213342A (en) | The casting technique of the complicated smallclothes of batch production | |
| CN214161315U (en) | Sand core molding device for large-scale circular ring steel casting | |
| CN214920259U (en) | Aluminum alloy tilting casting die | |
| CN212945281U (en) | Flange shell casting die | |
| CN201313153Y (en) | Novel composite model of flange fitting | |
| CN109396338B (en) | Die for casting lower lining plate of suspension crusher and casting process | |
| CN210231440U (en) | Sand lined metal mold casting mould structure | |
| CN220943089U (en) | Sand mould for thin-wall disc castings | |
| CN214814576U (en) | Mold for casting with buckle mold and sand mold for molding casting | |
| CN214977545U (en) | Lost foam casting die for manufacturing flange | |
| CN213162953U (en) | Outer mould for forming cold sand core | |
| CN218963933U (en) | Sand mould | |
| CN218503278U (en) | Runner sand core positioning structure of casting mold | |
| CN103192034B (en) | Integrated casting technology for braking drum with anti-cracking annular reinforcement rib for vehicle | |
| CN221018543U (en) | Novel national standard electric motor car lost foam mould | |
| CN221087236U (en) | Casting mold of bearing chamber | |
| CN220407000U (en) | Lost foam pouring gate rod structure | |
| CN217474788U (en) | Casting mould of big planet carrier | |
| CN213410272U (en) | Die-casting die | |
| CN218983119U (en) | Multi-cavity die-casting mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |