CN203124719U - External mould structure of piston casting machine - Google Patents
External mould structure of piston casting machine Download PDFInfo
- Publication number
- CN203124719U CN203124719U CN 201320164870 CN201320164870U CN203124719U CN 203124719 U CN203124719 U CN 203124719U CN 201320164870 CN201320164870 CN 201320164870 CN 201320164870 U CN201320164870 U CN 201320164870U CN 203124719 U CN203124719 U CN 203124719U
- Authority
- CN
- China
- Prior art keywords
- mould
- right half
- foundry goods
- external
- cover
- 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
Links
Images
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses an external mould structure of a piston casting machine. The external mould structure solves the problem that a bolt is easy to break due to the fact that the mould opening force is too large in the mould opening process of the mould opening structure of an external mould of the existing casting machine. The external mould structure comprises a cast sleeve used for being sleeved with a cast and connected with a core and an external mould arranged on the outer portion of the cast sleeve. The cast sleeve comprises a left half sleeve and a right half sleeve which are mutually connected. The external mould comprises a left half mould and a right half mould which are mutually connected. The external mould structure further comprises a movable pin penetrating through the external mould and the cast sleeve and contacted with the cast and a pulling-out mechanism connected with the right half mould. The right half mould is connected with the right half sleeve through a fastening screw. The pulling-out mechanism comprises a connection rod, a connection body fixedly installed on the connection rod and a bolt connected with the connection body and the right half mould of the external mould simultaneously. By means of the technical scheme, the external mould structure avoids the fact that the bolt is broken in a pulling mode due to large stress, weakens air tightness of the mould, achieves twice mould opening, and greatly reduces mould opening force.
Description
Technical field
The utility model relates to a kind of cast outer mold structure, specifically, relates to a kind of piston casting machine cast outer mold structure.
Background technology
For metal mold aluminum foundry goods, such as the structure of traditional casting machine external mold of aluminium piston as shown in Figure 1, external mold 3 is interconnected to constitute by left half module and right half module, and foundry goods cover 7 also is interconnected to constitute by a left side half cover and right half cover, and connecting rod 1 is by the right half module of connected body 2 direct pull external molds 3.Because it is to fixedly connected that external mold 3 overlaps between 7 threes with core 5 and foundry goods, therefore, the movement of external mold 3 right half modules will drive the movement of core 5 and foundry goods cover 7 right half covers simultaneously, and mould opening force just can concentrate on simultaneously with external mold 3 and overlap on 7 bolts that are connected 4 with foundry goods like this.Owing to be subjected to the restriction of connected body 2 sizes and external mold 3 structures, the quantity of bolt 4 is made as a pair of usually, therefore, when die sinking, on the one hand, bolt 4 can be subjected to the power of three parts: mould self is because of the frictional force of gravity generation when the power that produce with foundry goods cover 7 when foundry goods 6 shrinks the power of holding core 5 tightly that produces, foundry goods 6 outer wall condensations and die sinking; On the other hand, because external mold 3 and foundry goods cover 7 are a seal, so foundry goods 6 is along with temperature constantly reduces after casting finishes, it can produce certain vacuum because expand with heat and contract with cold to cause in the foundry goods cover 7.Like this, when foundry goods 6 hour can draw back external mold 3 right half modules by the stressed of bolt 4 smoothly, but when foundry goods 6 was big, the stressed meeting of bolt 4 correspondingly increased, and just might occur then that bolt 4 is broken, the phenomenon of thread stripping or mould damage.
For above-mentioned situation, solution has only a kind of at present: the repair welding external mold is also repaired internal thread, because mould adopts the cast iron manufacturing usually, therefore this cast iron welding is very difficult; In addition, owing to all be a whole set of moulding during Mould Machining, do not have versatility, in case damage a part arbitrarily, then a whole set of mould will be scrapped, and the required strength of die sinking greatly also will need more large-scale hydraulic jack, has so also further improved production cost.
The utility model content
The purpose of this utility model is to provide a kind of piston casting machine cast outer mold structure, when mainly solving existing casting machine external mold die sinking structure and having die sinking because the excessive problem that causes bolt easily to be broken of mould opening force.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of piston casting machine cast outer mold structure, comprise be used to entangling foundry goods and being connected with the foundry goods cover of core, and the external mold that is arranged on this foundry goods cover outside, described foundry goods cover comprises an interconnective left side half cover and right half cover, described external mold comprises interconnective left half module and right half module, and a left side half cover and the left half module structure that is solidified as a whole, the utility model also comprise run through external mold and foundry goods cover and with the contacted removable pin of foundry goods, and the extraction mechanism that is connected with right half module; The right half module of described external mold is connected by the right side half cover of trip bolt and foundry goods cover, and described extraction mechanism comprises connecting rod, is fixedly mounted on the connected body on this connecting rod, and the bolt that is connected with the right half module of connected body and external mold of while.
As preferably, described removable pin is more than two.
As preferably, described removable pin is arranged on the junction of left half module and right half module.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is skillfully constructed, and is rational in infrastructure, easy to use.
(2) the utility model being provided with run through external mold and foundry goods cover and is against removable pin on the foundry goods, at first extract removable pin during die sinking, unclamp trip bolt then, utilize extraction mechanism that the right half module of external mold is pulled out then, again right half cover of foundry goods cover and core are pulled out at last, owing to extract removable pin and destroyed air-tightness, mould opening force is lowered, and right half module is connected by trip bolt with right half cover, after unclamping trip bolt, extraction mechanism is pulled out the right half module of external mold earlier, and then right half cover of foundry goods cover and core pulled out, mould employing segmentation die sinking, therefore, such destruction air-tightness and the die sinking mode of segmented can reduce the stressed of bolt significantly, have avoided it to be broken because mould opening force is excessive and have caused external mold to damage.
(3) the utility model is arranged on the junction of left half module and right half module with removable pin, can make things convenient for the installation of mould manufacturing activities pin installing hole and removable pin, and removable pin is set to more than two, can further reduce mould opening force.
(4) the utility model cost performance height is with strong points, has saved cost, therefore, is suitable for applying.
Description of drawings
Fig. 1 is the prior art constructions schematic diagram.
Fig. 2 is structural representation of the present utility model.
Wherein, the parts name of Reference numeral correspondence is called:
The 1-connecting rod, 2-connected body, 3-external mold, 4-bolt, 5-core, 6-foundry goods, 7-foundry goods cover, 8-removable pin, 9-trip bolt.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 2, the utility model comprises extraction mechanism, external mold 3, core 5, foundry goods cover 7 and removable pin 8.Same as the prior art; external mold 3 comprises interconnective left half module and right half module; foundry goods cover 7 comprises an interconnective left side half cover and right half cover; core 5 is used for pouring cast part 6; foundry goods cover 7 is enclosed within foundry goods 6 outsides; and foundry goods 6 is positioned at the junction of a left side half cover and right half cover; external mold 3 is arranged on the outside of foundry goods cover 7; extraction mechanism then is connected with right half module in the external mold 3; and should also be connected with the right side half cover of foundry goods cover 7 by trip bolt 9 by right side half module; in the present embodiment, described trip bolt 9 is two.
Specifically, described extraction mechanism comprises connecting rod 1, is fixedly mounted on the connected body 2 on this connecting rod 1, and the bolt 4 that is connected with the right half module of connected body 2 and external mold 3 simultaneously.
The course of work of the present utility model is as follows:
During use, at first removable pin 8 is extracted, destroy the air-tightness of mould, then unclamp trip bolt 9, no any connection between making external mold 3 right half modules and foundry goods cover 7 right half overlapping, spur connecting rod 1 then, connecting rod 1 drives external mold 3 right half modules by connected body 2 and bolt 4 and moves, this right side half module separates with foundry goods cover 7 right half covers, behind the right half module of disengagement external mold 3, foundry goods cover 7 right half covers and core 5 is pulled out together again.The mode of this destruction mould air-tightness and segmentation die sinking greatly reduces the stressed of bolt 4, thereby has also avoided the fracture of bolt 4 and the damage of mould, has realized reduction and the twice-die-opening of mould opening force.
According to above-described embodiment, just can realize the utility model well.
Claims (3)
1. piston casting machine cast outer mold structure, comprise be used to entangling foundry goods and being connected with the foundry goods cover (7) of core (5), and the external mold (3) that is arranged on this foundry goods cover (7) outside, described foundry goods cover (7) comprises an interconnective left side half cover and right half cover, described external mold (3) comprises interconnective left half module and right half module, and structure that a left side half is overlapped and left half module is solidified as a whole, it is characterized in that: also comprise run through external mold (3) and foundry goods cover (7) and with the contacted removable pin of foundry goods (8), and the extraction mechanism that is connected with right half module; The right half module of described external mold (3) is connected with the right side half cover of foundry goods cover (7) by trip bolt (9), and described extraction mechanism comprises connecting rod (1), be fixedly mounted on the connected body (2) on this connecting rod (1), and the bolt (4) that is connected with the right half module of connected body (2) and external mold (3) simultaneously.
2. a kind of piston casting machine cast outer mold structure according to claim 1, it is characterized in that: described removable pin (8) is more than two.
3. a kind of piston casting machine cast outer mold structure according to claim 2, it is characterized in that: described removable pin (8) is arranged on the junction of left half module and right half module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320164870 CN203124719U (en) | 2013-04-06 | 2013-04-06 | External mould structure of piston casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320164870 CN203124719U (en) | 2013-04-06 | 2013-04-06 | External mould structure of piston casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203124719U true CN203124719U (en) | 2013-08-14 |
Family
ID=48932740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320164870 Expired - Fee Related CN203124719U (en) | 2013-04-06 | 2013-04-06 | External mould structure of piston casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203124719U (en) |
-
2013
- 2013-04-06 CN CN 201320164870 patent/CN203124719U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203124719U (en) | External mould structure of piston casting machine | |
| CN203124703U (en) | Segmented mold opening mechanism based on outer mold of large piston casting machine | |
| CN201741570U (en) | Cast resin transformer coil mold | |
| CN202725984U (en) | Special device for demounting loose piece in cast sand core or air release plug of hot box | |
| CN203124720U (en) | Sliding type mold opening device based on casting machine | |
| CN202845753U (en) | Casting machine outer mold with air hole | |
| CN204309091U (en) | The automatic attaching/detaching apparatus of a kind of small box girder internal mold | |
| CN201728775U (en) | Transverse core-pulling mechanism of inner-threaded three-way pipe fitting die | |
| CN210940302U (en) | Core pulling mechanism | |
| CN202824606U (en) | Multi-stage-die-sinking casting machine external mold | |
| CN202731935U (en) | Tunnel lining trolley reserved groove | |
| CN202779695U (en) | Two-time opening casting machine outer mold | |
| CN202779722U (en) | Cast sleeve separate type casting machine outer mold | |
| CN210937054U (en) | Novel demoulding structure | |
| CN201906812U (en) | Center-gated automatic shearing-type die-casting mold | |
| CN202779725U (en) | Separate casting machine outer mold with pin hole sleeved-shaped core | |
| CN207494499U (en) | A kind of mold with heat sinking function | |
| CN201755642U (en) | Die-casting mold core-pulling device convenient for demounting and mounting | |
| CN203438384U (en) | Vertical demolding overhang roller die with one open side | |
| CN202824625U (en) | Casting machine external mold with strengthened pulling force | |
| CN202779721U (en) | Segmented mandrel-type casting machine outer mold | |
| CN204441820U (en) | A kind of cable walk away safety spacer assembly | |
| CN204262325U (en) | A kind of die casting equipment and ejecting mechanism thereof | |
| CN113523229B (en) | Die casting die structure of secondary drawing insertion core by adopting oil cylinder and limiting pin | |
| CN212264334U (en) | High heat dispersion car door production mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20150406 |
|
| EXPY | Termination of patent right or utility model |