CN210498246U - Wax mould of precision casting of inner mesh sleeve pipe - Google Patents
Wax mould of precision casting of inner mesh sleeve pipe Download PDFInfo
- Publication number
- CN210498246U CN210498246U CN201920803831.0U CN201920803831U CN210498246U CN 210498246 U CN210498246 U CN 210498246U CN 201920803831 U CN201920803831 U CN 201920803831U CN 210498246 U CN210498246 U CN 210498246U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- rubber
- die
- steel core
- side wall
- 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
Abstract
A wax mould for an inner-pattern sleeve precise casting comprises an upper mould, a rubber sleeve and a steel core; the upper die and the lower die are provided with a cavity matched with the shape and the size of the outer side wall of the inner mesh sleeve; the rubber sleeve is of a hollow sleeve structure, and the outer side wall of the rubber sleeve is provided with reticulate pattern bulges matched with the shape and the size of the inner side wall of the inner reticulate pattern sleeve; the steel core with the rubber sleeve passes through a cavity between the upper die and the lower die; the space formed between the outer side wall of the rubber sleeve and the cavities of the upper die and the lower die forms a molding cavity of the wax die with the inner mesh sleeve. And closing the die, conveying the die into a wax injection machine, injecting wax, parting, extracting the steel core, and pulling the rubber sleeve out of the wax die by using sharp-nose pliers to finish the manufacture of the wax die. The utility model provides a precision casting mechanical product in the silica sol precision casting in-process, because product structure reason uses water-soluble core, ceramic core, urea core or assembly welding and the production inefficiency that causes, industrial emission and the great technical problem of waste gas.
Description
Technical Field
The utility model relates to a precision casting technical field, specific wax matrix mould of interior screen sleeve pipe precision casting that says so.
Background
In the mechanical precision casting process, some structural forms are frequently encountered, wherein the internal cavity is complex, the outside is small and the inside is large, the manufacturing process of a wax piece and a mould is poor, and the mould is designed, and the wax mould is formed and cannot be produced by adopting a direct core-pulling or loose block core-pulling technology. The general manufacturing process of the prior art silica sol precision casting process has two modes: the first adopts the technology of loose piece core pulling, water-soluble core, ceramic core and urea core to produce the wax pattern, and the second adopts the technology of split manufacturing and then assembling and welding molding to produce the wax pattern. In the first manufacturing process, wax molds and castings for manufacturing the water-soluble cores, the ceramic cores and the urea cores have long manufacturing period, large occupied working space and low qualified rate of the wax molds and castings; most importantly, in the later manufacturing process, the dissolution of the water-soluble core and the urea core and the alkali explosion removal of the ceramic core take labor and labor, a large amount of non-recyclable industrial waste and waste gas are generated, and great influence is brought to the environment. In the process of split manufacturing and then assembling, welding and forming of the second manufacturing technology, the wax mold needs to use a binder, industrial waste gas can be generated during casting welding, and the environment is influenced by the same labor.
One of the most special series of products is a mesh sleeve with different shapes, for example, in a structural diagram form shown in fig. 1-3, a plurality of internal hexagonal meshes with the same shape, size and depth are designed on the inner circumference of the internal mesh sleeve, and the casting internal mesh sleeve is required not to have casting defects such as steel balls, fleshiness and the like. The structure adopts an investment precision casting process, the general process for manufacturing the wax mould casting only uses a water-soluble core or a ceramic core, but the water-soluble core or the ceramic core is scrapped due to the casting defects of concave internal network steel balls, succulence and the like in the manufacturing and transportation process because the internal reticulate pattern is thin, and more importantly, the production process generates a large amount of non-recyclable industrial waste and waste gas, thereby bringing great influence to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a wax matrix mould of interior screen sleeve pipe precision casting, solves precision casting mechanical product at the silica sol precision casting in-process, because product structure reason uses water-soluble core, ceramic core, urea core or assembly welding and the production inefficiency that causes, the great manufacturing process technical problem of industry emission and waste gas.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a wax mould of an inner-pattern sleeve precise casting comprises an upper mould, a lower mould, a positioning pin, a positioning sleeve, a rubber sleeve and a steel core; the upper die and the lower die are connected in a positioning mode through positioning pins and positioning sleeves, and the upper die and the lower die are provided with cavities matched with the outer side wall of the inner mesh sleeve in shape and size; the rubber sleeve is of a hollow sleeve structure, and the outer side wall of the rubber sleeve is provided with reticulate pattern bulges matched with the shape and the size of the inner side wall of the inner reticulate pattern sleeve; the rubber sleeve is sleeved on the steel core in a matching way; the steel core additionally provided with the rubber sleeve axially penetrates through a cavity between the upper die and the lower die; a space formed between the outer side wall of the rubber sleeve and the cavities of the upper die and the lower die forms a molding cavity of the wax die of the inner-mesh sleeve, and the binding surfaces of the upper die and the lower die are provided with a pouring gate connected to the molding cavity; the rubber sleeve is made of polyurethane rubber or silicon rubber, and the wall thickness of the rubber sleeve is 0.5-1.5 mm.
Above-mentioned interior reticulation sleeve pipe precision casting's wax matrix mould, its further improvement lies in: the axial length of the rubber sleeve is greater than that of the inner mesh sleeve; the upper die and the lower die are provided with limiting steps corresponding to the end faces of the two ends of the rubber sleeve; the axial length of the steel core is greater than that of the rubber sleeve; the small end of the steel core is provided with a positioning shaft, the upper die and the lower die are correspondingly provided with positioning holes, the large end of the steel core is provided with a radial pin hole, and the upper die and the lower die are provided with a through hole and a pin shaft which are matched with the pin hole.
Above-mentioned interior reticulation sleeve pipe precision casting's wax matrix mould, its further improvement lies in: the rubber sleeve is manufactured by a rubber sleeve die, and the rubber sleeve die comprises a first upper die, a first lower die, a first steel core and a rubber forming sleeve; the first upper die and the first lower die are provided with cavities matched with the shape and the size of the outer side wall of the rubber forming sleeve; the first steel core is a stepped shaft matched with the shape and size of the inner hole of the rubber sleeve; the rubber forming sleeve is of a hollow sleeve structure, the inner diameter of the rubber forming sleeve is matched with the outer diameter of the rubber sleeve, grid patterns matched with the shape and size of the reticulate pattern bulges on the outer side wall of the rubber sleeve are processed on the inner side wall of the rubber forming sleeve, and circular ring frameworks are embedded on two sides of the grid patterns of the rubber forming sleeve; the rubber forming sleeve is pre-embedded and positioned in the cavities of the first upper die and the first lower die, the first steel core is axially penetrated and positioned in the rubber forming sleeve, and a space formed between the first steel core and the rubber forming sleeve forms a forming cavity of the rubber sleeve.
Above-mentioned interior reticulation sleeve pipe precision casting's wax matrix mould, its further improvement lies in: the rubber forming sleeve is made of a rubber forming sleeve die, and the rubber forming sleeve die comprises a second upper die, a second lower die and a grid steel core; cavities matched with the shape and the size of the outer side wall of the rubber forming sleeve are arranged in the inner cavities of the second upper die and the second lower die; the outer side wall of the grid steel core is precisely processed with grid bulges matched with the shape and the size of grid patterns on the inner side wall of the rubber forming sleeve; the grid steel core is axially positioned in the cavities of the second upper die and the second lower die in a penetrating manner, and the spaces formed among the grid steel core, the cavities of the second upper die and the second lower die form a forming cavity of the rubber forming sleeve.
Above-mentioned interior reticulation sleeve pipe precision casting's wax matrix mould, its further improvement lies in: the inner reticulate pattern of the inner reticulate pattern sleeve is a polygonal pattern which is connected with each other or a plurality of scattered polygonal patterns or a special-shaped pattern, and the outer side wall of the rubber sleeve is provided with corresponding pattern bulges; or the inner reticulate pattern sleeve pipe is replaced by a product with an elbow, a tee joint or a cross-shaped through pipe and a pump valve, and the outer side wall of the rubber sleeve is of a corresponding matching structure.
By adopting the technical scheme, the utility model, have the effect of following technological progress:
the utility model discloses according to the thin-walled rubber sleeve of product internal shape design manufacturing, during manufacturing, at first with the rubber sleeve suit at the mould of wholly adorning on the steel core that has the air discharge duct, the compound die is penetrated wax, is divided the type, takes out the steel core, pulls out the rubber sleeve from the wax matrix with sharp-nosed pliers, has just accomplished the manufacturing of the complicated wax matrix of shape structure. The utility model provides a precision casting mechanical product in the silica sol precision casting in-process, because product structure reason uses water-soluble core, ceramic core, urea core or assembly welding and the great manufacturing process technical problem of production inefficiency, industrial emission and waste gas that causes.
Drawings
Fig. 1 is a schematic structural view of an inner-mesh sleeve precision casting of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged view of a portion C of FIG. 1;
FIG. 4 is a schematic structural view of the wax pattern mold of the present invention;
FIG. 5 is a front view of the wax pattern mold of the present invention;
fig. 6 is a schematic structural view of the rubber sleeve of the present invention;
fig. 7 is a schematic structural view of the rubber sleeve mold of the present invention;
fig. 8 is a front view of the rubber sleeve mold of the present invention;
FIG. 9 is a front view of the rubber forming sleeve of the present invention;
FIG. 10 is a right side view of FIG. 9;
FIG. 11 is a cross-sectional view E-E of FIG. 9;
fig. 12 is a schematic structural view of the rubber forming sleeve mold of the present invention;
fig. 13 is a front view of the rubber forming sleeve mold of the present invention;
fig. 14 is a schematic structural view of the mesh steel core of the present invention;
fig. 15 is a schematic structural view of another precision casting with an internal mesh sleeve applicable to the present invention;
fig. 16 is a schematic structural diagram of an elbow and a mold suitable for the present invention.
In the drawings, the reference numerals denote: 1. the mould comprises an upper mould, 2, a lower mould, 3, a pin shaft, 4, a steel core, 5, a rubber sleeve, 51, a reticulate pattern bulge, 6, a pouring gate, 7, an inner reticulate pattern sleeve, 71, an inner reticulate pattern, 8, a first upper mould, 9, a first lower mould, 10, a first steel core, 11, a rubber forming sleeve, 111, a gridding pattern, 12, a framework, 13, an annular groove, 14, a glue collecting groove, 15, a gridding steel core, 151, a gridding bulge, 16, a second upper mould, 17, a second lower mould, 18, an inner reticulate pattern sleeve of another structure, 19, an elbow, 20 and a wax mould.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and embodiments:
the utility model relates to a wax matrix mould of interior screen print sleeve pipe precision casting for the preparation is as shown interior screen print sleeve pipe 7 of fig. 1-fig. 3. The inner side wall of the inner mesh sleeve 7 is distributed with a plurality of inwardly depressed inner meshes 71 of uniform shape and size and depth. The casting process of the product requires that the inner reticulate pattern of the casting has no casting defects such as steel balls, fleshiness and the like. In order to meet the technological requirements, the inner-mesh sleeve is manufactured by adopting a soluble mold precision casting process, so that a wax mold of the inner-mesh sleeve meeting the design requirements is manufactured firstly.
The wax mold of the inner reticulate pattern sleeve is shown in figures 4-5 and comprises an upper mold 1, a lower mold 2, a positioning pin, a positioning sleeve, a rubber sleeve 5, a steel core 4 and a pin shaft 3. The upper die 1 and the lower die 2 are connected with each other through a positioning pin and a positioning sleeve in a positioning mode. The upper die 1 and the lower die 2 are provided with cavities matched with the shape and the size of the outer side wall of the inner mesh sleeve product, and the cavities of the upper die 1 and the lower die 2 are symmetrical up and down by taking the axial section of the inner mesh sleeve product passing through the axis as an interface.
The rubber sleeve 5 is of a hollow sleeve structure as shown in fig. 6, the wall thickness of the rubber sleeve 5 is 0.5-1.5 mm, and the rubber sleeve is designed by adopting polyurethane rubber or silicon rubber materials according to the shrinkage rate of a casting wax mold. The outer side wall of the rubber sleeve 5 is provided with a reticulate pattern bulge 51, and the reticulate pattern bulge 51 is matched with the inner reticulate pattern 71 of the inner side wall of the inner reticulate pattern sleeve 7 in shape and size. The hollow inner hole of the rubber sleeve 5 is a stepped hole, is corresponding to the shape of the product of the inner mesh sleeve 7, and comprises a large-end round hole, a transition circular truncated cone hole and a small-end round hole. For practical purposes, the axial length of the rubber sleeve 5 extends outwardly beyond the axial length of the inner screen sleeve 7, the extension having a shape and size corresponding to the shape and size of the beginning of the extension.
The steel core 4 is a stepped shaft structure provided with an exhaust groove, the axial length of the steel core 4 and the length of the exhaust groove are greater than the axial length of the rubber sleeve 5, and the steel core 4 comprises a matching section corresponding to an inner hole of the rubber sleeve 5. The small end of the matching section is provided with a positioning shaft for positioning in a limiting hole preset by the upper die 1 and the lower die 2. The big end of cooperation section extends outwards along axial, sets up the location section that is used for wearing bolt axle 3, and the outer end of location section sets up the overhanging section that stretches out last mould 1 and lower mould 2.
The outer side wall of the steel core 4 is provided with the rubber sleeve 5 and then is inserted into a cavity between the upper die 1 and the lower die 2 along the axial direction as a whole. The end faces of the two ends of the rubber sleeve 5 are limited through the preset limiting steps on the upper die 1 and the lower die 2. The positioning shaft at the small end of the steel core 4 extending out of the rubber sleeve 5 is assembled in a preset limiting hole of the upper die and the lower die, the positioning section of the steel core 4 extending out of the rubber sleeve 5 is positioned by a pin shaft 3 radially penetrating between the upper die and the lower die, and the extending section of the steel core 4 extends out of the outer sides of the upper die and the lower die. The outer side wall of the rubber sleeve 5 after positioning and limiting and the cavities of the upper die 1 and the lower die 2 form a forming cavity of the wax die 20 with an inner mesh sleeve, and the binding surface of the upper die 1 and the lower die 2 is provided with a pouring gate 6 connected to the forming cavity.
The rubber sleeve 5 is made of a rubber sleeve mold, and as shown in fig. 7-8, the rubber sleeve mold comprises a first upper mold 8, a first lower mold 9, a first steel core 10 and a rubber forming sleeve 11.
The rubber forming sleeve 11 is a hollow sleeve structure as shown in fig. 9-11. The inner diameter of the rubber forming sleeve 11 is matched with the outer diameter of the rubber sleeve 5, the grid patterns 111 are made on the inner side wall of the rubber forming sleeve 11, and the grid patterns 111 are matched with the shape and the size of the reticulate pattern bulges 51 on the outer side wall of the rubber sleeve 5. The outer diameter of the rubber forming sleeve 11 corresponds to the end face of the big end of the rubber sleeve 5 and is a square end face, the middle and the small end of the rubber forming sleeve 11 corresponding to the rubber sleeve 5 are both circular rings, and the end face of the big end is provided with an annular groove 13 with a semicircular cross section. Two groups of circular ring frameworks 12 are respectively embedded on two sides of the grid patterns 111 of the rubber forming sleeve 11, so that the rubber forming sleeve 11 keeps the shape.
The first steel core 10 is a stepped shaft, the middle section of the stepped shaft is in the shape and size matched with the inner hole of the rubber sleeve 5, the small end of the middle section is provided with a positioning shaft, and the large end of the middle section is provided with an overhanging section.
First last mould 8 and first lower mould 9 are connected through the constant head tank that the binding face was predetermine and the protruding location of location, and first last mould 8 and first lower mould 9 set up the die cavity that matches with the shape size of rubber forming sleeve lateral wall, and the terminal surface processing cross-section of the first last mould 8 of laminating of first lower mould 9 is semicircular annular album groove 14 of gluing. The rubber forming sleeve 11 is pre-embedded and positioned in cavities of the first upper die 8 and the first lower die 9, the first steel core 10 is axially penetrated and positioned in the rubber forming sleeve 11, and a space formed between the outer side wall of the first steel core 10 and the inner side wall of the rubber forming sleeve 11 forms a forming cavity of the rubber sleeve 5.
The rubber forming sleeve 11 is made of a rubber forming sleeve mold, and as shown in fig. 12-13, the rubber forming sleeve mold comprises a second upper mold 16, a second lower mold 17 and a grid steel core 15. And cavities matched with the shape and the size of the outer side wall of the rubber forming sleeve are arranged in the inner cavities of the second upper die 16 and the second lower die 17.
The grid steel core 15 is shown in fig. 14, and the grid steel core 15 is subjected to engraving and milling processing by a four-axis high-speed engraving machine. The grid steel core 15 is preferably a stepped shaft, the outer side wall of the middle section of the stepped shaft is precisely processed with grid bulges 151, and the shape and the size of the grid bulges 151 are matched with those of grid patterns 111 on the inner side wall of the rubber forming sleeve 11; a positioning shaft is arranged at the small end of the stepped shaft; the big end of the stepped shaft is provided with an overhanging section, and the overhanging section is provided with a pin hole.
The grid steel core 15 is axially penetrated and positioned in the cavities of the second upper die 16 and the second lower die 17, and a space formed between the outer side wall of the grid steel core 15 and the cavities of the second upper die 16 and the second lower die 17 forms a molding cavity of the rubber molding sleeve 11.
The manufacturing and casting method of the wax mold die for the precision casting of the inner mesh sleeve comprises the following steps:
A. and manufacturing a mesh steel core with a stepped shaft structure. The grid steel core is subjected to engraving and milling processing in a four-axis high-speed engraving machine, the outer side wall of the grid steel core is subjected to precision machining to manufacture grid protrusions, and the grid protrusions are matched with the shape and size of the reticulate patterns in the inner mesh sleeve.
B. The grid steel core is used as a core to design and manufacture a rubber forming sleeve die. And (3) injecting glue solution into the rubber forming sleeve mould, adding the framework at any time, closing the mould and pressing, wherein the redundant glue solution flows into the glue collecting groove to prepare the rubber forming sleeve which is sleeved on the outer side wall of the grid steel core in a matched mode, and the inner side wall of the rubber forming sleeve forms grid patterns matched with the grid convex shape and size of the grid steel core. And (5) after the glue solution is cooled, parting, and separating the rubber forming sleeve from the grid steel core to finish the manufacturing of the rubber forming sleeve.
C. The inner side wall of the rubber forming sleeve is used as a reference for designing and manufacturing a rubber sleeve mold. And (3) performing injection molding on the thin-wall rubber sleeve sleeved on the first steel core of the preset stepped shaft structure in a rubber sleeve mold by using glue solution, forming reticulate pattern bulges matched with the shape and size of the latticed patterns on the inner side wall of the rubber forming sleeve on the outer side wall of the rubber sleeve, parting after the glue solution is cooled, and separating the rubber sleeve from the rubber forming sleeve by using sharp-nose pliers to finish the manufacturing of the rubber sleeve.
D. The wax mould of the inner reticulate pattern sleeve is designed by taking the rubber sleeve as a base body. Sleeving the rubber sleeve on a steel core with an exhaust groove to serve as a core, closing the mold, injecting wax and parting according to the technological requirements, extracting the steel core, and taking out the rubber sleeve from the wax mold by using sharp-nose pliers to complete the manufacture of the wax mold with the inner-threaded sleeve.
E. Finishing the precision casting of the inner mesh sleeve after the process steps of wax trimming of mould-dissolving precision casting, designing and assembling a pouring system, cleaning a wax mould, manufacturing a shell, dewaxing, roasting the shell, smelting and pouring, post-treatment, heat treatment and inspection.
The method comprises the following steps of preparing a formwork by dipping a wax mould in a shell making process, wherein 325-mesh zirconium powder, 120-mesh zirconium sand and silica sol are used for slurry dipping according to the process requirements, the viscosity of the prepared slurry is measured by a Zhan measuring cup for 39-43 seconds, the slurry is continuously stirred for more than 12 hours after being subjected to slurry dipping, and according to the specific operation process, when the slurry is dipped, a wax mould hole and the slurry surface form an angle of 45-60 degrees and slowly invade, the formwork is continuously and slowly rotated, air at the bottom of a fine and narrow grid pattern is discharged and completely filled, the formwork is taken out from the slurry, the grid patterns are treated one by a compressed air gun nozzle, and the next sequence is allowed to be switched after the grid patterns are completely filled.
All references herein to "matching" are intended to refer to the formulation of a rubber, wax, casting shrinkage, etc. as selected by one skilled in the art to meet the requirements of the process in combination with the particular rubber, wax, casting shrinkage, etc. The manufacture of each mould is designed according to the requirements of the process method and the comprehensive shrinkage rate of castings, rubber and wax moulds.
Utilize the utility model discloses a rubber sleeve technology replaces general silica sol precision casting technology loose core, water-soluble core, ceramic core, urea core, assembly welding shaping's technique production wax matrix technology, can make the hole have the high-precision foundry goods that can not loose core of any shape pattern, for example the interior screen sleeve 18 product of another kind of structure shown in figure 15. Utilize the utility model discloses can also make foundry goods inner chamber back-drawing mould or wax matrix shaping can not adopt the fashioned product of the completion wax matrix of directly loosing core, for example elbow class product, tee bend, cross lead to pipe fitting product, the general mechanical product of pump valve. As shown in the structure of an elbow 19 in figure 16, the middle of the elbow is circular, the two ends of the elbow are conical surfaces with smaller diameters, a thin-wall rubber sleeve can be directly manufactured according to the specific structure of a casting, when the elbow is used, the two ends of the elbow are respectively conveyed into a steel core and then are integrally placed on a positioning surface of a lower die, and the rubber sleeve is pulled out of a rubber forming sleeve by using sharp-nose pliers after die assembly, wax injection, parting and core pulling are carried out, so that the precise manufacturing of the elbow wax die is completed.
Claims (5)
1. The utility model provides an interior pattern sleeve pipe precision casting's wax matrix mould which characterized in that: comprises an upper die (1), a lower die (2), a positioning pin, a positioning sleeve, a rubber sleeve (5) and a steel core (4); the upper die (1) and the lower die (2) are connected with each other in a positioning mode through positioning pins and positioning sleeves, and the upper die (1) and the lower die (2) are provided with cavities matched with the outer side wall of the inner mesh sleeve (7) in shape and size; the rubber sleeve (5) is of a hollow sleeve structure, and the outer side wall of the rubber sleeve (5) is provided with reticulated bulges (51) matched with the shape and size of the inner side wall of the inner reticulated sleeve (7); the rubber sleeve (5) is sleeved on the steel core (4) in a matching way; the steel core (4) provided with the rubber sleeve axially penetrates through a cavity between the upper die (1) and the lower die (2); spaces formed between the outer side wall of the rubber sleeve (5) and the cavities of the upper die (1) and the lower die (2) form a forming cavity of the wax die (20) of the inner-mesh sleeve, and a pouring gate (6) connected to the forming cavity is arranged on the joint surface of the upper die (1) and the lower die (2); the rubber sleeve (5) is made of polyurethane rubber or silicon rubber, and the wall thickness of the rubber sleeve (5) is 0.5-1.5 mm.
2. The wax pattern mold for the precision casting of the inner mesh sleeve according to claim 1, wherein: the axial length of the rubber sleeve (5) is greater than that of the inner mesh sleeve (7); the upper die (1) and the lower die (2) are provided with limiting steps corresponding to the end faces of the two ends of the rubber sleeve (5); the axial length of the steel core (4) is greater than that of the rubber sleeve (5); the small end of the steel core (4) is provided with a positioning shaft, the upper die (1) and the lower die (2) are correspondingly provided with positioning holes, the large end of the steel core (4) is provided with a radial pin hole, and the upper die and the lower die are provided with a via hole and a pin shaft (3) which are matched with the pin hole.
3. The wax pattern mold for the precision casting of the inner mesh sleeve according to claim 1, wherein: the rubber sleeve (5) is made of a rubber sleeve die, and the rubber sleeve die comprises a first upper die (8), a first lower die (9), a first steel core (10) and a rubber forming sleeve (11); the first upper die (8) and the first lower die (9) are provided with cavities matched with the shape and the size of the outer side wall of the rubber forming sleeve (11); the first steel core (10) is a stepped shaft matched with the shape and size of the inner hole of the rubber sleeve (5); the rubber forming sleeve (11) is of a hollow sleeve structure, the inner diameter of the rubber forming sleeve (11) is matched with the outer diameter of the rubber sleeve (5), grid patterns (111) matched with the shape and size of the reticulate pattern bulges (51) on the outer side wall of the rubber sleeve (5) are processed on the inner side wall of the rubber forming sleeve (11), and a circular ring framework (12) is embedded on two sides of each grid pattern (111) of the rubber forming sleeve (11); the rubber forming sleeve (11) is pre-embedded and positioned in cavities of the first upper die (8) and the first lower die (9), the first steel core (10) is axially penetrated and positioned in the rubber forming sleeve (11), and a space formed between the first steel core (10) and the rubber forming sleeve (11) forms a forming cavity of the rubber sleeve (5).
4. The wax pattern mold for the precision casting of the inner mesh sleeve according to claim 3, wherein: the rubber forming sleeve (11) is made of a rubber forming sleeve die, and the rubber forming sleeve die comprises a second upper die (16), a second lower die (17) and a grid steel core (15); cavities matched with the shape and the size of the outer side wall of the rubber forming sleeve (11) are arranged in the inner cavities of the second upper die (16) and the second lower die (17); the outer side wall of the grid steel core (15) is precisely machined with grid bulges (151) matched with the shape and the size of grid patterns (111) on the inner side wall of the rubber forming sleeve (11); the grid steel core (15) is axially positioned in the cavities of the second upper die (16) and the second lower die (17) in a penetrating manner, and the spaces formed among the grid steel core (15), the cavities of the second upper die (16) and the second lower die (17) form a forming cavity of the rubber forming sleeve (11).
5. The wax pattern mold for the precision casting of the inner mesh sleeve according to claim 4, wherein: the inner reticulate pattern of the inner reticulate pattern sleeve (7) is a polygonal pattern which is connected with each other or a plurality of dispersed polygonal patterns or a special-shaped pattern, and the outer side wall of the rubber sleeve is provided with corresponding pattern bulges; or the inner mesh sleeve (7) is replaced by a product with an elbow, a tee joint or a cross-shaped channel and a pump valve, and the outer side wall of the rubber sleeve is of a corresponding matching structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803831.0U CN210498246U (en) | 2019-05-30 | 2019-05-30 | Wax mould of precision casting of inner mesh sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803831.0U CN210498246U (en) | 2019-05-30 | 2019-05-30 | Wax mould of precision casting of inner mesh sleeve pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210498246U true CN210498246U (en) | 2020-05-12 |
Family
ID=70577832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920803831.0U Active CN210498246U (en) | 2019-05-30 | 2019-05-30 | Wax mould of precision casting of inner mesh sleeve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210498246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090924A (en) * | 2019-05-30 | 2019-08-06 | 保定风帆精密机械科技有限公司 | A kind of Wax mold of interior reticulate pattern casing precision casting and its manufacture and casting method |
-
2019
- 2019-05-30 CN CN201920803831.0U patent/CN210498246U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090924A (en) * | 2019-05-30 | 2019-08-06 | 保定风帆精密机械科技有限公司 | A kind of Wax mold of interior reticulate pattern casing precision casting and its manufacture and casting method |
| CN110090924B (en) * | 2019-05-30 | 2024-02-09 | 保定风帆精密机械科技有限公司 | Wax mould for inner net sleeve precise casting and manufacturing and casting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104493094B (en) | Rapid precise casting technology based on photocuring 3D printing technique | |
| CN103406482B (en) | Isothermal forging forming die and method for 7075 aluminum alloy tapered casing | |
| US10357819B2 (en) | Investment casting of hollow components | |
| CN110090924B (en) | Wax mould for inner net sleeve precise casting and manufacturing and casting method thereof | |
| CN107282892A (en) | A kind of 3D printing core formative method of aluminium alloy castings | |
| CN106475518A (en) | For casting sand mold and its manufacture method of rotary structure foundry goods | |
| CN111182982A (en) | Method for producing a ceramic core for producing a cast part having a cavity structure, and ceramic core | |
| CN210498246U (en) | Wax mould of precision casting of inner mesh sleeve pipe | |
| CN203427152U (en) | Ceramic rice milling profiled sand roller forming die | |
| CN110328359B (en) | Forming method of narrow intermittent, twisted and multi-blade densely distributed cascade parts | |
| CN110102711A (en) | The manufacturing method of steel-casting moulding process casting mold | |
| CN108723296A (en) | A kind of manufacturing method in Powered Propulsion stage casing peculiar to vessel | |
| CN105562613B (en) | A kind of one-time formed method of aero-engine porous plate diverging cooling turbo blade ceramic core | |
| CN105109040B (en) | Three-dimensional structure manufacturing process | |
| CN101314177A (en) | Stainless steel water meter casing structural design and casing split model, unit cast process | |
| CN104043773A (en) | Preparation of easily-demoulded ceramic-mould, application method and cast copper-alloy casting | |
| CN107116183B (en) | Method for preparing complex hollow cavity casting by matching ceramic core and soluble core | |
| CN105855467A (en) | Wax core inner die used for precision casting and wax core manufacture method | |
| CN210188364U (en) | Die for gear precision forging process | |
| CN208743615U (en) | A kind of wax part mold in Powered Propulsion middle section peculiar to vessel | |
| CN108555238B (en) | Selective laser sintering investment and manufacturing method thereof | |
| CN112642992A (en) | Process for improving deformation of circular thin-wall investment casting | |
| CN102806316A (en) | Metal casting manufacture procedure and method for pre-formed ceramic cores | |
| JP2001259790A (en) | Method for manufacturing casting intermediate stock for machining, method for manufacturing casting intermediate stock for cylinder block, casting intermediate stock for machining and casting intermediate stock for cylinder block | |
| CN112045150A (en) | Investment precision casting method of steel piston head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230627 Address after: 071057 Hebei province Baoding Fuchang Road No. 8 Patentee after: FENGFAN Co.,Ltd. Address before: 071051 No. 311 Fujiang Street, Baoding City, Hebei Province Patentee before: Baoding Sail Precision Machinery Technology Co.,Ltd. |