CN201455193U - Hub reduction gear core making machine - Google Patents
Hub reduction gear core making machine Download PDFInfo
- Publication number
- CN201455193U CN201455193U CN2009201284490U CN200920128449U CN201455193U CN 201455193 U CN201455193 U CN 201455193U CN 2009201284490 U CN2009201284490 U CN 2009201284490U CN 200920128449 U CN200920128449 U CN 200920128449U CN 201455193 U CN201455193 U CN 201455193U
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- CN
- China
- Prior art keywords
- coremaking
- formwork
- core
- reduction gear
- making machine
- 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.)
- Expired - Fee Related
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a hub reduction gear core making machine, which comprises a base, wherein the base is fixedly provided with a guide rack, the guide rack is connected with a base plate and a top plate by at least two guide shafts, the guide shafts between the base plate and the top plate are movably sleeved with a core mold-making mold case fixing plate, the lower end surface of the core mold-making mold case fixing plate is fixedly provided with a circular truncated cone-shaped core-making mold case which is small on the upper part and big on the lower part, and the core-making mold case is provided with a cavity provided with an opening opened downward; the periphery of the core-making mold case is provided with heater strips; and the core-making mold case fixing plate is provided with a sand ejecting hole penetrating through the upper end surface of the core-making mold case, a cylinder is fixed on the upper surface of the top plate, and the extending end of the piston rod of the cylinder penetrates through the top plate to be connected with the core mold-making mold case fixing plate. The utility mode can realize the integration of sand ejection, core making, sand core and tooling, and has high production efficiency, and in addition, the tooling can be directly casted through mould assembling, and can be reused.
Description
Technical field:
The utility model casting and molding technical field especially relates to a kind of hub reduction gear shell casting hub reduction gear core making machine.
Background technology:
Core making machine extensively is applied as visual plant in the casting industry, core making machine comprises and penetrates sand, coremaking and the demoulding three part-structures in general, requirement raising along with production technology and technology, general core making machine can not satisfy, therefore design new core making machine, satisfy the requirement of production technology and technology, improve the quality of products and efficient, saving production cost becomes a kind of demand.
Hub reduction gear is widely used in automotive field, and the mode of production of hub reduction gear shell mostly is casting, need carry out moulding to core and external mold, thereby obtain hub reduction gear shell foundry goods with pouring into a mould behind core and the external mold matched moulds, adopt by hand carried out moulding more when traditional forging type carried out moulding to external mold, and hand moulding is strong because of its flexible operation, adaptability, and technological equipment is simple, need not characteristics such as mo(u)lding equipment, be widely used in single and mini-batch production production.But hand moulding productivity ratio is low, and labour intensity is bigger.Modern production is owing to be to carry out in batches, so hand moulding productivity ratio is low, is difficult to reach the demand of production.
The utility model content:
The purpose of this utility model provides a kind of directly mould assembling cast and can reuse the hub reduction gear core shooter that production efficiency is high of sand, coremaking, Sha Xin and frock one and frock that can realize penetrating.
For achieving the above object, the technical solution of the utility model is: design a kind of hub reduction gear core making machine, comprise base, its main points are: be fixed with the guiding frame on described base, described guiding frame connects base plate and top board through at least 2 axis of guides, kink has coremaking formwork fixed head on the axis of guide between described base plate and the top board, be fixed with up-small and down-big round table-like coremaking formwork in this coremaking formwork fixed head lower surface, and on this coremaking formwork, be provided with downward opening cavity, described coremaking formwork circumferentially is provided with heater strip outward, on described coremaking formwork fixed head, be provided with the sand-spraying hole that passes described coremaking formwork upper surface, be fixed with cylinder in described cover top surface, the piston rod external part of this cylinder passes described top board and is connected with described coremaking formwork fixed head.
The utility model is in the coremaking mold process, the metal-cored frock that is heated to 200 ℃～400 ℃ is placed on the base plate of the present utility model, on this base plate, be provided with locating piece, coremaking mould after the feasible heating can be good at and metal-cored frock matched moulds when putting down under the effect of cylinder, form a core die cavity between coremaking formwork and the metal-cored frock this moment, under the effect of gases at high pressure, the molding sand in the blasting unit is injected in the core die cavity by the sand-spraying hole of core shooter then, 200 ℃～500 ℃ of temperature, form hub reduction gear shell core mould after solidifying 30s～2min, promptly on the outer wall of metal-cored frock, solidify and cover one deck molding sand, thereby make the core of husky core of hub reduction gear shell and frock one, during the demoulding, under the effect of cylinder, coremaking formwork fixed head drives the coremaking formwork and moves upward, and realization coremaking formwork separates with metal-cored frock.
Be provided with circumferential groove in described coremaking formwork upper surface near the edge, on described coremaking formwork step, be close to outer wall and be provided with circumferential recess, at described coremaking formwork outer wall circumferentially, heater strip all is housed in circumferential groove and the circumferential recess, described heater strip links to each other with automatic temperature control instrument by lead, described heater strip links to each other with controller by lead, so subregion heating, Controllable Temperature, core is effective.
Be symmetrically welded with " 7 " font postive stop baffle at the described base plate that connects near two ends, described postive stop baffle head front end is near described coremaking formwork, because metal-cored frock is than more than the big 30mm of coremaking formwork diameter, the head external part of postive stop baffle is positioned at the top that metal-cored frock exceeds described coremaking formwork part, during withdrawing pattern, metal-cored frock can be good at the demoulding along with postive stop baffle in the coremaking formwork uphill process can stop the rising of metal-cored frock.
Described coremaking formwork lower end outward flange is provided with the hoop chamfering, and the hoop chamfering is set can carry out contraposition with metal-cored frock, prevents dislocation.
Central authorities are fixed with connecting plate through screw in described coremaking formwork fixed head upper surface, and described piston rod external part is fixed on this connecting plate upper surface.
Be set with sliding sleeve on the described axis of guide, this sliding sleeve upper end is fixed on coremaking formwork fixed head lower surface, sliding sleeve is set coremaking formwork fixed head can be slided by non helping hand on the axis of guide.
Effect of the present utility model is: 1, the utility model is simple in structure, is easy to make; 2, the utility model has improved the efficient of coremaking mould greatly, has improved production efficiency greatly; 3, the utility model greatly reduces working strength of workers; 4, the utility model greatly reduces production cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Meaning of each numbering is in the above-mentioned accompanying drawing: 1. base, 2. base plate, 3. metal-cored frock, 4. coremaking formwork, 4a. circumferential groove, 4b. circumferential recess, 4c. hoop chamfering, 5. heater strip, 6. molding sand, 7. sliding sleeve, 8. coremaking formwork fixed head, 9. connecting plate, 10. sand-spraying hole, 11. axis of guides, 12. piston rods, 13. top board, 14. cylinders, 15. postive stop baffles.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
See also Fig. 1: shown in the hub reduction gear core making machine, comprise base 1, on described base 1, be fixed with the guiding frame, described guiding frame connects base plate 2 and top board 13 through at least 2 axis of guides 11, kink has coremaking formwork fixed head 8 on the axis of guide 11 between described base plate 2 and the top board 13, be fixed with up-small and down-big round table-like coremaking formwork 4 in these coremaking formwork fixed head 8 lower surfaces, and on this coremaking formwork 4, be provided with downward opening cavity, on described connection base plate 2, be placed with metal-cored frock 3, described coremaking formwork 4 is sleeved on outside the metal-cored frock 3, described coremaking formwork 4 and metal-cored frock 3 form the core die cavity, the described coremaking formwork 4 outer heater strips 5 that circumferentially are provided with, especially be provided with circumferential groove 4a in described coremaking formwork 4 upper surfaces near the edge, on described coremaking formwork 4 steps, be close to outer wall and be provided with circumferential recess 4b, circumferential at described coremaking formwork 4 outer walls, in circumferential groove 4a and the circumferential recess 4b heater strip 5 is housed all, described heater strip 5 links to each other with automatic temperature control instrument by lead; On described coremaking formwork fixed head 8, be provided with the sand-spraying hole 10 that passes described coremaking formwork 4 upper surfaces, under the effect of gases at high pressure, molding sand 6 in the blasting unit is filled in the core die cavity from sand-spraying hole 10, be fixed with cylinder 14 at described top board 13 upper surfaces, piston rod 12 external parts of this cylinder 14 pass described top board 13 and are connected with described coremaking formwork fixed head 8.
Be symmetrically welded with " 7 " font postive stop baffle 15 at the described base plate 2 that connects near two ends, described postive stop baffle 15 head front ends are near described coremaking formwork 4, and the external part of these postive stop baffle 15 heads is positioned at the top at metal-cored frock 3 edges.
It can also be seen that in Fig. 1: described coremaking formwork 4 lower end outward flanges are provided with hoop chamfering 4c, in the time of outside coremaking formwork 4 is enclosed within metal-cored frock 3, because described metal-cored frock 3 also is round table-like, be provided with loop concave at this on metal-cored 3, so coremaking formwork 4 lower ends are placed in the loop concave on the metal-cored frock 3, described hoop chamfering 4c plays the effect of guide-localization; Be fixed with connecting plate 9 in described coremaking formwork fixed head 8 upper surface central authorities through screw, described piston rod 12 external part ends are fixed on these connecting plate 9 upper surfaces.
In Fig. 1: be set with sliding sleeve 7 on the above-mentioned axis of guide 11, these sliding sleeve 7 upper ends are fixed on coremaking formwork fixed head 8 lower surfaces.
Claims (6)
1. hub reduction gear core making machine, comprise base (1), it is characterized in that: on described base (1), be fixed with the guiding frame, described guiding frame connects base plate (2) and top board (13) through at least 2 axis of guides (11), the axis of guide (11) between described base plate (2) and top board (13) is gone up kink coremaking formwork fixed head (8), be fixed with up-small and down-big round table-like coremaking formwork (4) in this coremaking formwork fixed head (8) lower surface, and on this coremaking formwork (4), be provided with downward opening cavity, the outer heater strip (5) that circumferentially is provided with of described coremaking formwork (4), on described coremaking formwork fixed head (8), be provided with the sand-spraying hole (10) that passes described coremaking formwork (4) upper surface, be fixed with cylinder (14) at described top board (13) upper surface, piston rod (12) external part of this cylinder (14) passes described top board (13) and is connected with described coremaking formwork fixed head (8).
2. hub reduction gear core making machine according to claim 1, it is characterized in that: be provided with circumferential groove (4a) near the edge in described coremaking formwork (4) upper surface, on described coremaking formwork (4) step, be close to outer wall and be provided with circumferential recess (4b), at described coremaking formwork (4) outer wall circumferentially, heater strip (5) all is housed in circumferential groove (4a) and the circumferential recess (4b), described heater strip (5) links to each other with automatic temperature control instrument by lead.
3. hub reduction gear core making machine according to claim 1 is characterized in that: be symmetrically welded with " 7 " font postive stop baffle (15) at the described base plate (2) that connects near two ends, described postive stop baffle (15) head front end is near described coremaking formwork (4).
4. hub reduction gear core making machine according to claim 1 and 2 is characterized in that: described coremaking formwork (4) lower end outward flange is provided with hoop chamfering (4c).
5. hub reduction gear core making machine according to claim 1 is characterized in that: upper surface central authorities are fixed with connecting plate (9) through screw at described coremaking formwork fixed head (8), and described piston rod (12) external part is fixed on this connecting plate (9) upper surface.
6. hub reduction gear core making machine according to claim 1 is characterized in that: be set with sliding sleeve (7) on the described axis of guide (11), this sliding sleeve (7) upper end is fixed on coremaking formwork fixed head (8) lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201284490U CN201455193U (en) | 2009-08-13 | 2009-08-13 | Hub reduction gear core making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201284490U CN201455193U (en) | 2009-08-13 | 2009-08-13 | Hub reduction gear core making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201455193U true CN201455193U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201284490U Expired - Fee Related CN201455193U (en) | 2009-08-13 | 2009-08-13 | Hub reduction gear core making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201455193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756744A (en) * | 2018-07-28 | 2020-02-07 | 江阴市惠尔信精密装备股份有限公司 | Casting sand mold forming method |
| CN110756745A (en) * | 2018-07-28 | 2020-02-07 | 江阴市惠尔信精密装备股份有限公司 | Casting sand mold forming process |
-
2009
- 2009-08-13 CN CN2009201284490U patent/CN201455193U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756744A (en) * | 2018-07-28 | 2020-02-07 | 江阴市惠尔信精密装备股份有限公司 | Casting sand mold forming method |
| CN110756745A (en) * | 2018-07-28 | 2020-02-07 | 江阴市惠尔信精密装备股份有限公司 | Casting sand mold forming process |
| CN110756744B (en) * | 2018-07-28 | 2021-07-20 | 江阴市惠尔信精密装备股份有限公司 | Casting sand mold forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20120813 |