CN213052631U - HW250 casting die of cylinder block - Google Patents
HW250 casting die of cylinder block Download PDFInfo
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- CN213052631U CN213052631U CN202021876679.8U CN202021876679U CN213052631U CN 213052631 U CN213052631 U CN 213052631U CN 202021876679 U CN202021876679 U CN 202021876679U CN 213052631 U CN213052631 U CN 213052631U
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- sand core
- forming cavity
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- insert
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Abstract
The utility model relates to a cylinder HW250 casting die, which comprises an upper die and a lower die, wherein a forming cavity and a forming cavity I are arranged between the upper die and the lower die, an insert fixing block is arranged on one side of the forming cavity on the lower die, a blade returning insert is arranged on the insert fixing block, a cylinder sleeve sand core, a water channel sand core, a connecting rod groove sand core and a water channel sand core are arranged in the forming cavity and the forming cavity I, and the side walls on the two sides of the forming cavity I are provided with a metal liquid flow passage communicated with the forming cavity; the utility model discloses a be provided with the fixed block and the annular spacer block of inserting that extend the lower mould upper surface on the lower mould, be provided with the blade through inserting the fixed block and go back the type and insert, be equipped with the shaping chamber in different position between the lower mould in the combination, avoid mutual interference between the work piece casting shaping, make the cylinder body can cast once only 6, the qualification rate is high, improves the productivity effect.
Description
Technical Field
The utility model belongs to the technical field of engine cylinder block production mould, specifically design a cylinder block HW250 casting die utensil.
Background
With the prosperous development of the current society, for the engine of the main technical parts in the motorcycle, the engine cylinder block is produced by adopting a casting mode, the current engine cylinder block casting mode generally adopts gravity casting or pressure casting, certain casting defects exist due to the influence of the structure of the product or the structure of a mould, the common casting defects include air holes, looseness, cold shut or cracking and the like, measures taken aiming at different defects are various, in order to improve the cost, batch casting is mostly adopted, the batch casting is easy to form so that the air permeability and the stability of the mould cylinder sleeve and the cylinder block are not enough, the problems of sand holes and deformation of the product are caused, the rejection rate of the product is improved, and the production cost of an enterprise is increased.
Disclosure of Invention
In view of the above, the present invention is directed to a cylinder block HW250 casting mold, and a cylinder block HW250 casting mold.
In order to achieve the purpose, the utility model relates to a cylinder block HW250 casting die, which comprises an upper die and a lower die, wherein 2 pairs of forming cavities enclosed into a cylinder block are arranged around the upper die and the lower die, a forming cavity I is arranged in the middle of 1 pair of forming cavities, an insert fixing block extending out of the upper surface of the lower die is arranged on one side of the forming cavity on the lower die, a plurality of blade returning inserts vertically arranged with the insert fixing block are arranged on the insert fixing block, a cylinder liner sand core is arranged in the middle of the end part of the forming cavity at one end of the insert fixing block, a water channel sand core is arranged at the other end of the forming cavity at the insert fixing block, and a connecting rod groove sand core passing through the blade;
a blade returning insert I, a cylinder sleeve sand core I, a connecting rod groove sand core I and a water channel sand core I are arranged in the forming cavity I, an annular isolating block extending out of the upper surface of the lower die is arranged around the forming cavity I, and metal liquid flow channels communicated with the forming cavity are arranged on the side walls of two sides of the forming cavity I;
the mould is provided with on the last mould and inserts fixed block, blade returning type insert, the chamber that holds of cylinder liner psammitolite and water course psammitolite adaptation and the chamber I that holds of blade returning type insert I, cylinder liner psammitolite I, connecting rod groove psammitolite I, water course psammitolite I and annular spacing block adaptation, it is provided with runner mouth and dead head to hold the chamber top, it is provided with dead head I to hold chamber I top.
Further, the gate opening is arranged above the water channel sand core, the casting head is arranged above the position, close to the forming side wall of the cylinder sleeve sand core, of the cylinder block, and the casting head I is arranged above the water channel sand core I.
Furthermore, the molding cavity is symmetrically arranged along the central line of the upper mold, the sprue gate is arranged at the position, close to the middle part, of the upper mold, and the upper mold of the sprue gate is close to the side part.
Furthermore, a sand squeezing groove is formed in one side, close to the cylinder block forming bin, of the upper die, located on the water channel sand core, and an exhaust groove is formed in the other side, close to the root of the water channel sand core.
Furthermore, a positioning column is arranged on the water channel sand core.
The beneficial effects of the utility model reside in that:
the utility model discloses cylinder block HW250 casting die utensil is provided with the fixed block and the annular spacing block of inserting of extending the lower mould upper surface through inserting on the lower mould, is provided with the blade through inserting the fixed block and returns the type and insert, is equipped with the shaping chamber in different position between the lower mould in the combination, avoids mutual interference between the work piece casting shaping, makes the cylinder body can cast once only 6, and the qualification rate is high, improves the productivity effect.
Drawings
Fig. 1 is a schematic structural view of a cylinder block HW 250;
fig. 2 is a schematic structural diagram of a cylinder HW250 casting mold according to the present invention;
fig. 3 is a top view of an upper mold of the cylinder HW250 casting mold of the present invention;
fig. 4 is a top view of the middle and lower molds of the HW250 casting mold of the cylinder block of the present invention.
Reference numerals: 1-cylinder block, 2-blade, 3-cylinder sleeve, 4-crankshaft cavity, 5-upper die, 6-lower die, 7-containing cavity, 8-insert fixed block, 9-blade-returning insert, 10-cylinder sleeve sand core and 11-runner port; 12-casting a dead head; 13-a positioning column; 14-waterway sand core; 15-ring-shaped spacer blocks; 16-waterway sand core I; 17-accommodation chamber I; 18-a sand-squeezing groove; 19-an exhaust groove; 20-oil inlet hole sand core; 21-connecting rod slot sand core; 22-casting head I.
Detailed Description
The present invention will be described in further detail with reference to examples and specific embodiments. However, it should not be understood that the scope of the above subject matter is limited to the following embodiments, and all the technologies realized based on the inventive content of the present invention belong to the scope of the present invention.
Fig. 1-3 are schematic structural views of a cylinder HW250 casting mold according to the present invention, which comprises an upper mold 5 and a lower mold 6, 2 pairs of molding cavities which are enclosed into a cylinder body are arranged around the upper die 5 and the lower die 6, a molding cavity I is arranged in the middle of 1 pair of molding cavities, an insert fixing block 8 extending out of the upper surface of the lower die is arranged on one side of the forming cavity on the lower die 6, a plurality of blade-return type inserts 9 which are vertical to the insert fixing block 8 are arranged on the insert fixing block 8, a cylinder liner sand core 10 is arranged in the middle of the end part of the forming cavity at one end of the insert fixing block, a water channel sand core 14 is arranged at the other end of the insert fixing block 10 of the forming cavity, and a connecting rod groove sand core 21 penetrating through the blade back-type insert is arranged at one side of the forming cavity close to the insert fixing block;
a blade returning insert I, a cylinder sleeve sand core I, a connecting rod groove sand core I and a water channel sand core I are arranged in the forming cavity I, an annular partition block 15 extending out of the upper surface of the lower die is arranged around the forming cavity I, and metal liquid flow channels communicated with the forming cavity are arranged on the side walls of two sides of the forming cavity I;
the mould is provided with on the last chamber 7 that holds with insert fixed block, blade mould returning insert, cylinder liner sand core and the adaptation of water course sand core and hold chamber I17 with blade mould returning insert I, cylinder liner sand core I, connecting rod groove sand core I, water course sand core I16 and the adaptation of annular spacing block 15, it is provided with runner opening 11 and casting head 12 to hold the top in chamber 7, it is provided with casting head I22 to hold chamber I17 top.
This embodiment is at the whole HW300 cylinder block of disposable casting, including cylinder block 1 body, blade 2 on the cylinder block 1 body, the cylinder liner on the cylinder block 1 body and the bent axle chamber 4 on the cylinder block 1 body, through be provided with insert fixed block 8 and annular spacing block 15 that extend the lower mould upper surface on the lower mould, be provided with the blade through inserting the fixed block and return the type and insert, combine to be equipped with the shaping chamber in different position between the lower mould, utilize the metal liquid runner, make both sides metal liquid flow into the shaping chamber earlier and then get into middle shaping chamber I through the metal liquid runner, make the cylinder block can cast disposable casting 6, the qualification rate is high, and the productivity effect is improved.
Further, the gate opening 11 is arranged above the water channel sand core, the casting head 12 is arranged above the position, close to the forming side wall of the cylinder body, of the cylinder liner sand core, and the casting head I22 is arranged above the water channel sand core I.
The molding cavity is symmetrically arranged along the central line of the upper die 5, the sprue gate 11 is arranged at the position, close to the middle, of the upper die 6, the casting head 12 is arranged at the position, close to the side, of the upper die 6, and the structure is used for setting the molding position of the cylinder block, so that the yield of casting the cylinder block is improved, and the production efficiency is improved.
In a preferred embodiment, the upper die 6 is provided with a sand squeezing groove 18 at one side of the water channel sand core 14 close to the cylinder block forming bin, and an exhaust groove 19 at the other side close to the root of the water channel sand core, so that the structure is favorable for avoiding air holes, looseness, cold shut, cracking and the like in the formed cylinder block.
In a preferred embodiment, the water channel sand core 15 is provided with the positioning column 13, and the structure is beneficial to the die assembly of the upper die and the lower die and improves the casting quality of products.
In a preferred embodiment, an oil inlet hole sand core 20 connected with a connecting rod groove sand core 21 is arranged on one side of the forming cavity, which is far away from the insert fixing block 8, and the structure is beneficial to processing the oil inlet hole after the cylinder block is formed.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a cylinder block HW250 casting die utensil, includes mould and lower mould, go up and be provided with 2 pairs of molding cavity that enclose into the cylinder block all around between mould and the lower mould, its characterized in that: a forming cavity I is arranged in the middle of the forming cavity 1, an insert fixing block extending out of the upper surface of the lower die is arranged on one side of the forming cavity on the lower die, a plurality of blade returning inserts vertically arranged with the insert fixing block are arranged on the insert fixing block, a cylinder sleeve sand core is arranged in the middle of the end part of the forming cavity at one end of the insert fixing block, a water channel sand core is arranged at the other end of the insert fixing block on the forming cavity, and a connecting rod groove sand core penetrating through the blade returning inserts is arranged at one side of the forming cavity close to the insert fixing block;
a blade returning insert I, a cylinder sleeve sand core I, a connecting rod groove sand core I and a water channel sand core I are arranged in the forming cavity I, an annular isolating block extending out of the upper surface of the lower die is arranged around the forming cavity I, and metal liquid flow channels communicated with the forming cavity are arranged on the side walls of two sides of the forming cavity I;
the mould is provided with on the last mould and inserts fixed block, blade returning type insert, the chamber that holds of cylinder liner psammitolite and water course psammitolite adaptation and the chamber I that holds of blade returning type insert I, cylinder liner psammitolite I, connecting rod groove psammitolite I, water course psammitolite I and annular spacing block adaptation, it is provided with runner mouth and dead head to hold the chamber top, it is provided with dead head I to hold chamber I top.
2. A cylinder block HW250 casting mold according to claim 1, characterized in that: the pouring gate opening is arranged above the water channel sand core, the casting head is arranged above the position, close to the forming side wall of the cylinder sleeve sand core, of the cylinder block, and the casting head I is arranged above the water channel sand core I.
3. A cylinder block HW250 casting mold according to claim 2, characterized in that: the molding cavity is symmetrically arranged along the central line of the upper mold, the sprue gate is arranged at the position, close to the middle part, of the upper mold, and the upper mold of the casting head is close to the side part.
4. A cylinder block HW250 casting mold according to any of claims 1 to 3, characterized in that: and a sand squeezing groove is formed in one side, close to the cylinder body forming bin, of the upper die, and an exhaust groove is formed in the other side, close to the root of the water channel sand core.
5. A cylinder block HW250 casting mold according to claim 1, characterized in that: and a positioning column is arranged on the water channel sand core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876679.8U CN213052631U (en) | 2020-09-01 | 2020-09-01 | HW250 casting die of cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876679.8U CN213052631U (en) | 2020-09-01 | 2020-09-01 | HW250 casting die of cylinder block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213052631U true CN213052631U (en) | 2021-04-27 |
Family
ID=75555709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021876679.8U Active CN213052631U (en) | 2020-09-01 | 2020-09-01 | HW250 casting die of cylinder block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213052631U (en) |
-
2020
- 2020-09-01 CN CN202021876679.8U patent/CN213052631U/en active Active
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